/**
 * @duskmoon-dev/core v1.0.0
 * Material Design 3 color system with Tailwind CSS v4
 * https://github.com/duskmoon-dev/duskmoonui
 *
 * @license MIT
 */

/**
 * @duskmoon-dev/core
 * Tailwind CSS v4 plugin with Material Design 3 color system
 *
 * Import this file with in your CSS
 */

/* Base styles and color tokens */
/**
 * Base styles
 * Core styling and color token definitions
 */

/* Root styles */
/**
 * Root styles and CSS reset
 * Applied to all pages using the plugin
 */

/* Smooth scrolling for anchors */
html {
  scroll-behavior: smooth;
}

/* Prevent text inflation on mobile */
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

/* Use theme color scheme - OKLCH format */
:root,
[data-theme] {
  background-color: var(--color-base-100);
  color: var(--color-base-content);
}

/* Focus ring utility */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Disabled state utility */
[disabled],
.disabled {
  pointer-events: none;
  opacity: 0.5;
}

/* Selection color */
::selection {
  background-color: color-mix(in oklch, var(--color-primary) 20%, transparent);
  color: var(--color-base-content);
}

/* Scrollbar styling for webkit browsers */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-base-200);
}

::-webkit-scrollbar-thumb {
  background: var(--color-base-300);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: color-mix(in oklch, var(--color-base-content) 30%, transparent);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-base-300) var(--color-base-200);
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* Color token definitions */
/**
 * Color Token Definitions
 * 65+ Material Design 3 color tokens using CSS custom properties
 * Format: OKLCH from codegen (e.g., "oklch(72% 0.17 75)")
 */

@theme {
  /* ============================================
   * THEME METADATA (5 tokens)
   * Set by generated theme CSS files (e.g., sunshine.css)
   * Enables data-driven theme switching via --theme-pair
   * ============================================ */

  --theme-name: initial;
  --theme-mode: initial;
  --theme-family: initial;
  --theme-pair: initial;
  --theme-description: initial;

  /* ============================================
   * BRAND COLORS (12 tokens)
   * ============================================ */

  /* Primary Color Family */
  --color-primary: initial;
  --color-primary-content: initial;
  --color-primary-container: initial;
  --color-on-primary-container: initial;

  /* Secondary Color Family */
  --color-secondary: initial;
  --color-secondary-content: initial;
  --color-secondary-container: initial;
  --color-on-secondary-container: initial;

  /* Tertiary Color Family */
  --color-tertiary: initial;
  --color-tertiary-content: initial;
  --color-tertiary-container: initial;
  --color-on-tertiary-container: initial;

  /* ============================================
   * ACCENT COLORS (2 tokens)
   * ============================================ */

  --color-accent: initial;
  --color-accent-content: initial;

  /* ============================================
   * NEUTRAL COLORS (3 tokens)
   * ============================================ */

  --color-neutral: initial;
  --color-neutral-content: initial;
  --color-neutral-variant: initial;

  /* ============================================
   * SURFACE COLORS (11 tokens)
   * ============================================ */

  --color-surface: initial;
  --color-surface-dim: initial;
  --color-surface-bright: initial;
  --color-surface-container-lowest: initial;
  --color-surface-container-low: initial;
  --color-surface-container: initial;
  --color-surface-container-high: initial;
  --color-surface-container-highest: initial;
  --color-surface-variant: initial;
  --color-on-surface: initial;
  --color-on-surface-variant: initial;

  /* ============================================
   * SEMANTIC COLORS (16 tokens)
   * ============================================ */

  /* Info */
  --color-info: initial;
  --color-info-content: initial;
  --color-info-container: initial;
  --color-on-info-container: initial;

  /* Success */
  --color-success: initial;
  --color-success-content: initial;
  --color-success-container: initial;
  --color-on-success-container: initial;

  /* Warning */
  --color-warning: initial;
  --color-warning-content: initial;
  --color-warning-container: initial;
  --color-on-warning-container: initial;

  /* Error */
  --color-error: initial;
  --color-error-content: initial;
  --color-error-container: initial;
  --color-on-error-container: initial;

  /* ============================================
   * BASE SCALE (10 tokens)
   * ============================================ */

  --color-base-100: initial;
  --color-base-200: initial;
  --color-base-300: initial;
  --color-base-400: initial;
  --color-base-500: initial;
  --color-base-600: initial;
  --color-base-700: initial;
  --color-base-800: initial;
  --color-base-900: initial;
  --color-base-content: initial;

  /* ============================================
   * OUTLINE COLORS (2 tokens)
   * ============================================ */

  --color-outline: initial;
  --color-outline-variant: initial;

  /* ============================================
   * INVERSE COLORS (3 tokens)
   * ============================================ */

  --color-inverse-surface: initial;
  --color-inverse-on-surface: initial;
  --color-inverse-primary: initial;

  /* ============================================
   * SHADOW & SCRIM (2 tokens)
   * ============================================ */

  --color-shadow: initial;
  --color-scrim: initial;

  /* ============================================
   * ELEVATION SHADOWS (6 + 6 tokens)
   * Computed from --color-shadow (theme-provided) via color-mix()
   * Registered in @theme so Tailwind v4 generates shadow-* utilities natively
   * ============================================ */

  --shadow-xs: 0 1px 2px 0 color-mix(in srgb, var(--color-shadow) 5%, transparent);
  --shadow-sm: 0 1px 3px 0 color-mix(in srgb, var(--color-shadow) 10%, transparent), 0 1px 2px -1px color-mix(in srgb, var(--color-shadow) 10%, transparent);
  --shadow-md: 0 4px 6px -1px color-mix(in srgb, var(--color-shadow) 10%, transparent), 0 2px 4px -2px color-mix(in srgb, var(--color-shadow) 10%, transparent);
  --shadow-lg: 0 10px 15px -3px color-mix(in srgb, var(--color-shadow) 10%, transparent), 0 4px 6px -4px color-mix(in srgb, var(--color-shadow) 10%, transparent);
  --shadow-xl: 0 20px 25px -5px color-mix(in srgb, var(--color-shadow) 10%, transparent), 0 8px 10px -6px color-mix(in srgb, var(--color-shadow) 10%, transparent);
  --shadow-2xl: 0 25px 50px -12px color-mix(in srgb, var(--color-shadow) 25%, transparent);

  /* MD3 Elevation Levels — semantic shadow aliases */
  --shadow-elevation-0: none;
  --shadow-elevation-1: var(--shadow-xs);
  --shadow-elevation-2: var(--shadow-sm);
  --shadow-elevation-3: var(--shadow-md);
  --shadow-elevation-4: var(--shadow-lg);
  --shadow-elevation-5: var(--shadow-xl);

  /* ============================================
   * SHAPE / BORDER RADIUS (8 tokens)
   * Values provided by generated/spacing.css
   * ============================================ */

  --radius-none: initial;
  --radius-xs: initial;
  --radius-sm: initial;
  --radius-md: initial;
  --radius-lg: initial;
  --radius-xl: initial;
  --radius-2xl: initial;
  --radius-full: initial;

  /* ============================================
   * THEME SHAPE TOKENS (8 tokens)
   * Per-theme shape values from codegen
   * ============================================ */

  --radius-selector: initial;
  --radius-field: initial;
  --radius-box: initial;
  --size-selector: initial;
  --size-field: initial;
  --border: initial;
  --depth: initial;
  --noise: initial;
}

/* Utility classes for colors — token references + color-mix() for states */
@layer utilities {
  /* Background Colors */
  .bg-primary { background-color: var(--color-primary); }
  .bg-primary-focus { background-color: color-mix(in oklch, var(--color-primary), black 10%); }
  .bg-primary-container { background-color: var(--color-primary-container); }

  .bg-secondary { background-color: var(--color-secondary); }
  .bg-secondary-focus { background-color: color-mix(in oklch, var(--color-secondary), black 10%); }
  .bg-secondary-container { background-color: var(--color-secondary-container); }

  .bg-tertiary { background-color: var(--color-tertiary); }
  .bg-tertiary-focus { background-color: color-mix(in oklch, var(--color-tertiary), black 10%); }
  .bg-tertiary-container { background-color: var(--color-tertiary-container); }

  .bg-surface { background-color: var(--color-surface); }
  .bg-surface-dim { background-color: var(--color-surface-dim); }
  .bg-surface-bright { background-color: var(--color-surface-bright); }
  .bg-surface-container-lowest { background-color: var(--color-surface-container-lowest); }
  .bg-surface-container-low { background-color: var(--color-surface-container-low); }
  .bg-surface-container { background-color: var(--color-surface-container); }
  .bg-surface-container-high { background-color: var(--color-surface-container-high); }
  .bg-surface-container-highest { background-color: var(--color-surface-container-highest); }

  .bg-info { background-color: var(--color-info); }
  .bg-info-container { background-color: var(--color-info-container); }
  .bg-success { background-color: var(--color-success); }
  .bg-success-container { background-color: var(--color-success-container); }
  .bg-warning { background-color: var(--color-warning); }
  .bg-warning-container { background-color: var(--color-warning-container); }
  .bg-error { background-color: var(--color-error); }
  .bg-error-container { background-color: var(--color-error-container); }

  .bg-base-100 { background-color: var(--color-base-100); }
  .bg-base-200 { background-color: var(--color-base-200); }
  .bg-base-300 { background-color: var(--color-base-300); }
  .bg-base-400 { background-color: var(--color-base-400); }
  .bg-base-500 { background-color: var(--color-base-500); }
  .bg-base-600 { background-color: var(--color-base-600); }
  .bg-base-700 { background-color: var(--color-base-700); }
  .bg-base-800 { background-color: var(--color-base-800); }
  .bg-base-900 { background-color: var(--color-base-900); }

  /* Text Colors */
  .text-primary { color: var(--color-primary); }
  .text-primary-content { color: var(--color-primary-content); }
  .text-on-primary-container { color: var(--color-on-primary-container); }

  .text-secondary { color: var(--color-secondary); }
  .text-secondary-content { color: var(--color-secondary-content); }
  .text-on-secondary-container { color: var(--color-on-secondary-container); }

  .text-tertiary { color: var(--color-tertiary); }
  .text-tertiary-content { color: var(--color-tertiary-content); }
  .text-on-tertiary-container { color: var(--color-on-tertiary-container); }

  .text-on-surface { color: var(--color-on-surface); }
  .text-on-surface-variant { color: var(--color-on-surface-variant); }

  .text-info { color: var(--color-info); }
  .text-info-content { color: var(--color-info-content); }
  .text-on-info-container { color: var(--color-on-info-container); }

  .text-success { color: var(--color-success); }
  .text-success-content { color: var(--color-success-content); }
  .text-on-success-container { color: var(--color-on-success-container); }

  .text-warning { color: var(--color-warning); }
  .text-warning-content { color: var(--color-warning-content); }
  .text-on-warning-container { color: var(--color-on-warning-container); }

  .text-error { color: var(--color-error); }
  .text-error-content { color: var(--color-error-content); }
  .text-on-error-container { color: var(--color-on-error-container); }

  .text-base-content { color: var(--color-base-content); }

  /* Border Colors */
  .border-primary { border-color: var(--color-primary); }
  .border-secondary { border-color: var(--color-secondary); }
  .border-tertiary { border-color: var(--color-tertiary); }
  .border-outline { border-color: var(--color-outline); }
  .border-outline-variant { border-color: var(--color-outline-variant); }
  .border-info { border-color: var(--color-info); }
  .border-success { border-color: var(--color-success); }
  .border-warning { border-color: var(--color-warning); }
  .border-error { border-color: var(--color-error); }

  /* Ring Colors */
  .ring-primary { --tw-ring-color: var(--color-primary); }
  .ring-secondary { --tw-ring-color: var(--color-secondary); }
  .ring-tertiary { --tw-ring-color: var(--color-tertiary); }
  .ring-info { --tw-ring-color: var(--color-info); }
  .ring-success { --tw-ring-color: var(--color-success); }
  .ring-warning { --tw-ring-color: var(--color-warning); }
  .ring-error { --tw-ring-color: var(--color-error); }

  /* Accent Colors */
  .bg-accent { background-color: var(--color-accent); }
  .bg-accent-focus { background-color: color-mix(in oklch, var(--color-accent), black 10%); }
  .text-accent { color: var(--color-accent); }
  .text-accent-content { color: var(--color-accent-content); }
  .border-accent { border-color: var(--color-accent); }
  .ring-accent { --tw-ring-color: var(--color-accent); }

  /* Neutral Colors */
  .bg-neutral { background-color: var(--color-neutral); }
  .bg-neutral-focus { background-color: color-mix(in oklch, var(--color-neutral), black 10%); }
  .text-neutral { color: var(--color-neutral); }
  .text-neutral-content { color: var(--color-neutral-content); }
  .border-neutral { border-color: var(--color-neutral); }
  .ring-neutral { --tw-ring-color: var(--color-neutral); }

  /* Surface Variant */
  .bg-surface-variant { background-color: var(--color-surface-variant); }

  /* Inverse Colors */
  .bg-inverse-surface { background-color: var(--color-inverse-surface); }
  .text-inverse-on-surface { color: var(--color-inverse-on-surface); }
  .text-inverse-primary { color: var(--color-inverse-primary); }

  /* MD3 Elevation Utilities — semantic shadow levels */
  .elevation-0 { box-shadow: var(--shadow-elevation-0); }
  .elevation-1 { box-shadow: var(--shadow-elevation-1); }
  .elevation-2 { box-shadow: var(--shadow-elevation-2); }
  .elevation-3 { box-shadow: var(--shadow-elevation-3); }
  .elevation-4 { box-shadow: var(--shadow-elevation-4); }
  .elevation-5 { box-shadow: var(--shadow-elevation-5); }
}


/* Custom utilities */
/**
 * Custom utility classes
 * Extends Tailwind CSS v4 with additional utilities
 */

/* Responsive grid utilities with auto-fill/auto-fit */
@utility grid-cols-auto-fill-* {
  grid-template-columns: repeat(auto-fill, minmax(min(calc(--value(integer) * 0.25rem), 100%), 1fr));
}

@utility grid-cols-auto-fit-* {
  grid-template-columns: repeat(auto-fit, minmax(min(calc(--value(integer) * 0.25rem), 100%), 1fr));
}

/* Screen reader only utility - visually hidden but accessible */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Undo sr-only for focus states (useful for skip links) */
.not-sr-only {
  position: static;
  width: auto;
  height: auto;
  padding: 0;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}



/* Built-in themes */
/**
 * Built-in themes
 * Generated from @duskmoon-dev/design YAML tokens
 */

/**
 * Default theme fallbacks
 *
 * Provides :root values so pages without a data-theme attribute
 * (SSR / no-JS / GitHub Pages initial paint) still render correctly.
 *
 * - Light default: sunshine theme values
 * - Dark auto-detect: moonlight theme values via prefers-color-scheme
 */

/* Light default — sunshine theme */
:root {
  color-scheme: light;
  --theme-name: "sunshine";
  --theme-mode: "light";
  --theme-family: "duskmoon";
  --theme-pair: "moonlight";
  --theme-description: "Warm amber/coral";
  --color-primary: oklch(72% 0.17 75);
  --color-primary-content: oklch(25% 0.03 95.91);
  --color-primary-container: oklch(95% 0.035 95.91);
  --color-on-primary-container: oklch(25% 0.03 95.91);
  --color-secondary: oklch(62% 0.19 20);
  --color-secondary-content: oklch(100% 0 0);
  --color-secondary-container: oklch(94% 0.05 87.01);
  --color-on-secondary-container: oklch(25% 0.05 87.01);
  --color-tertiary: oklch(80% 0.085 235);
  --color-tertiary-content: oklch(18% 0.010 235);
  --color-tertiary-container: oklch(95% 0.035 235);
  --color-on-tertiary-container: oklch(22% 0.012 235);
  --color-accent: oklch(85.23% 0.14 327);
  --color-accent-content: oklch(41% 0.112 45.904);
  --color-neutral: oklch(0% 0 0);
  --color-neutral-content: oklch(80% 0.015 50);
  --color-neutral-variant: oklch(50% 0.02 260);
  --color-surface: oklch(100% 0 0);
  --color-surface-dim: oklch(96% 0.01 85);
  --color-surface-bright: oklch(100% 0 0);
  --color-surface-container-lowest: oklch(100% 0 0);
  --color-surface-container-low: oklch(99% 0.01 85);
  --color-surface-container: oklch(97% 0.01 85);
  --color-surface-container-high: oklch(96% 0.01 85);
  --color-surface-container-highest: oklch(94% 0.01 85);
  --color-surface-variant: oklch(94% 0.02 85);
  --color-on-surface: oklch(27% 0.02 260);
  --color-on-surface-variant: oklch(50% 0.02 260);
  --color-base-100: oklch(100% 0.005 255);
  --color-base-200: oklch(95% 0.008 255);
  --color-base-300: oklch(90% 0.01 255);
  --color-base-400: oklch(55% 0.06 255);
  --color-base-500: oklch(45% 0.05 255);
  --color-base-600: oklch(35% 0.04 255);
  --color-base-700: oklch(25% 0.03 255);
  --color-base-800: oklch(18% 0.02 255);
  --color-base-900: oklch(12% 0.01 255);
  --color-base-content: oklch(10% 0 255);
  --color-outline: oklch(75% 0.01 260);
  --color-outline-variant: oklch(85% 0.01 260);
  --color-inverse-surface: oklch(25% 0.02 260);
  --color-inverse-on-surface: oklch(95% 0.01 260);
  --color-inverse-primary: oklch(80% 0.14 55);
  --color-shadow: oklch(0% 0 0);
  --color-scrim: oklch(0% 0 0 / 50%);
  --color-info: oklch(41.94% 0.114 254.39);
  --color-info-content: oklch(91.94% 0.114 254.39);
  --color-info-container: oklch(95% 0.03 235);
  --color-on-info-container: oklch(35% 0.08 235);
  --color-success: oklch(67.21% 0.19 133.55);
  --color-success-content: oklch(27.21% 0.19 133.55);
  --color-success-container: oklch(93% 0.04 150);
  --color-on-success-container: oklch(30% 0.08 150);
  --color-warning: oklch(68.19% 0.203 42.44);
  --color-warning-content: oklch(18.19% 0.3 42);
  --color-warning-container: oklch(93% 0.05 80);
  --color-on-warning-container: oklch(38% 0.10 80);
  --color-error: oklch(61.17% 0.237 28.15);
  --color-error-content: oklch(90.01% 0.153 84.78);
  --color-error-container: oklch(93% 0.04 25);
  --color-on-error-container: oklch(32% 0.10 25);

  --radius-selector: 0.25rem;
  --radius-field: 0.625rem;
  --radius-box: 2rem;
  --size-selector: 0.1875rem;
  --size-field: 0.1875rem;
  --border: 0.5px;
  --depth: 1;
  --noise: 1;
}

/* Dark auto-detect — moonlight theme for users with dark OS preference */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --theme-name: "moonlight";
    --theme-mode: "dark";
    --theme-family: "duskmoon";
    --theme-pair: "sunshine";
    --theme-description: "Neutral white/gold";
    --color-primary: oklch(85.45% 0 0);
    --color-primary-content: oklch(14.94% 0.031 39.947);
    --color-primary-container: oklch(25% 0.01 0);
    --color-on-primary-container: oklch(85% 0.01 0);
    --color-secondary: oklch(83.33% 0.0981 73.78);
    --color-secondary-content: oklch(14.507% 0.035 2.72);
    --color-secondary-container: oklch(28% 0.03 73.78);
    --color-on-secondary-container: oklch(88% 0.03 73.78);
    --color-tertiary: oklch(72% 0.090 255);
    --color-tertiary-content: oklch(14% 0.012 255);
    --color-tertiary-container: oklch(28% 0.030 255);
    --color-on-tertiary-container: oklch(88% 0.010 255);
    --color-accent: oklch(75.65% 0.1303 335.51);
    --color-accent-content: oklch(14.258% 0.033 299.844);
    --color-neutral: oklch(23% 0 0);
    --color-neutral-content: oklch(52.43% 0 0);
    --color-neutral-variant: oklch(55% 0.01 260);
    --color-surface: oklch(20% 0.02 260);
    --color-surface-dim: oklch(17% 0.02 260);
    --color-surface-bright: oklch(28% 0.02 260);
    --color-surface-container-lowest: oklch(14% 0.02 260);
    --color-surface-container-low: oklch(20% 0.02 260);
    --color-surface-container: oklch(22% 0.02 260);
    --color-surface-container-high: oklch(25% 0.02 260);
    --color-surface-container-highest: oklch(28% 0.01 260);
    --color-surface-variant: oklch(30% 0.02 260);
    --color-on-surface: oklch(95% 0.01 260);
    --color-on-surface-variant: oklch(75% 0.01 260);
    --color-base-100: oklch(22% 0.019 237.69);
    --color-base-200: oklch(20% 0.019 237.69);
    --color-base-300: oklch(18% 0.019 237.69);
    --color-base-400: oklch(26% 0.019 237.69);
    --color-base-500: oklch(32% 0.019 237.69);
    --color-base-600: oklch(40% 0.018 237.69);
    --color-base-700: oklch(55% 0.017 237.69);
    --color-base-800: oklch(70% 0.016 237.69);
    --color-base-900: oklch(85% 0.015 237.69);
    --color-base-content: oklch(77.383% 0.043 245.096);
    --color-outline: oklch(44% 0.01 260);
    --color-outline-variant: oklch(35% 0.01 260);
    --color-inverse-surface: oklch(95% 0.01 260);
    --color-inverse-on-surface: oklch(25% 0.02 260);
    --color-inverse-primary: oklch(55% 0.16 255);
    --color-shadow: oklch(0% 0 0);
    --color-scrim: oklch(0% 0 0 / 60%);
    --color-info: oklch(82.42% 0.09757279812867503 240.7677443360475);
    --color-info-content: oklch(17.111% 0.017 206.015);
    --color-info-container: oklch(32% 0.06 235);
    --color-on-info-container: oklch(88% 0.06 235);
    --color-success: oklch(82.19% 0.0621 133.3);
    --color-success-content: oklch(17.112% 0.017 144.778);
    --color-success-container: oklch(30% 0.05 150);
    --color-on-success-container: oklch(85% 0.06 150);
    --color-warning: oklch(76.36% 0.1752731353930708 61.96388739129725);
    --color-warning-content: oklch(17.113% 0.016 74.427);
    --color-warning-container: oklch(35% 0.06 80);
    --color-on-warning-container: oklch(90% 0.06 80);
    --color-error: oklch(46.38% 0.1898 29.17);
    --color-error-content: oklch(86.38% 0.298 39.17);
    --color-error-container: oklch(30% 0.08 25);
    --color-on-error-container: oklch(88% 0.06 25);

    --radius-selector: 0.125rem;
    --radius-field: 0.375rem;
    --radius-box: 1rem;
    --size-selector: 0.125rem;
    --size-field: 0.125rem;
    --border: 1px;
    --depth: 0.8;
    --noise: 0.6;
  }
}

/* GENERATED — DO NOT EDIT */
/* Source: tokens/sunshine.yaml */
/* Generator: duskmoon-codegen v2.0.0 */

[data-theme="sunshine"] {
  color-scheme: light;
  --theme-name: "sunshine";
  --theme-mode: "light";
  --theme-family: "duskmoon";
  --theme-pair: "moonlight";
  --theme-description: "Warm amber/coral";
  --color-primary: oklch(72% 0.17 75);
  --color-primary-content: oklch(25% 0.03 95.91);
  --color-primary-container: oklch(95% 0.035 95.91);
  --color-on-primary-container: oklch(25% 0.03 95.91);
  --color-secondary: oklch(62% 0.19 20);
  --color-secondary-content: oklch(100% 0 0);
  --color-secondary-container: oklch(94% 0.05 87.01);
  --color-on-secondary-container: oklch(25% 0.05 87.01);
  --color-tertiary: oklch(80% 0.085 235);
  --color-tertiary-content: oklch(18% 0.010 235);
  --color-tertiary-container: oklch(95% 0.035 235);
  --color-on-tertiary-container: oklch(22% 0.012 235);
  --color-accent: oklch(85.23% 0.14 327);
  --color-accent-content: oklch(41% 0.112 45.904);
  --color-neutral: oklch(0% 0 0);
  --color-neutral-content: oklch(80% 0.015 50);
  --color-neutral-variant: oklch(50% 0.02 260);
  --color-surface: oklch(100% 0 0);
  --color-surface-dim: oklch(96% 0.01 85);
  --color-surface-bright: oklch(100% 0 0);
  --color-surface-container-lowest: oklch(100% 0 0);
  --color-surface-container-low: oklch(99% 0.01 85);
  --color-surface-container: oklch(97% 0.01 85);
  --color-surface-container-high: oklch(96% 0.01 85);
  --color-surface-container-highest: oklch(94% 0.01 85);
  --color-surface-variant: oklch(94% 0.02 85);
  --color-on-surface: oklch(27% 0.02 260);
  --color-on-surface-variant: oklch(50% 0.02 260);
  --color-base-100: oklch(100% 0.005 255);
  --color-base-200: oklch(95% 0.008 255);
  --color-base-300: oklch(90% 0.01 255);
  --color-base-400: oklch(55% 0.06 255);
  --color-base-500: oklch(45% 0.05 255);
  --color-base-600: oklch(35% 0.04 255);
  --color-base-700: oklch(25% 0.03 255);
  --color-base-800: oklch(18% 0.02 255);
  --color-base-900: oklch(12% 0.01 255);
  --color-base-content: oklch(10% 0 255);
  --color-outline: oklch(75% 0.01 260);
  --color-outline-variant: oklch(85% 0.01 260);
  --color-inverse-surface: oklch(25% 0.02 260);
  --color-inverse-on-surface: oklch(95% 0.01 260);
  --color-inverse-primary: oklch(80% 0.14 55);
  --color-shadow: oklch(0% 0 0);
  --color-scrim: oklch(0% 0 0 / 50%);
  --color-info: oklch(41.94% 0.114 254.39);
  --color-info-content: oklch(91.94% 0.114 254.39);
  --color-info-container: oklch(95% 0.03 235);
  --color-on-info-container: oklch(35% 0.08 235);
  --color-success: oklch(67.21% 0.19 133.55);
  --color-success-content: oklch(27.21% 0.19 133.55);
  --color-success-container: oklch(93% 0.04 150);
  --color-on-success-container: oklch(30% 0.08 150);
  --color-warning: oklch(68.19% 0.203 42.44);
  --color-warning-content: oklch(18.19% 0.6 42);
  --color-warning-container: oklch(93% 0.05 80);
  --color-on-warning-container: oklch(38% 0.10 80);
  --color-error: oklch(61.17% 0.237 28.15);
  --color-error-content: oklch(90.01% 0.153 84.78);
  --color-error-container: oklch(93% 0.04 25);
  --color-on-error-container: oklch(32% 0.10 25);

  --radius-selector: 0.25rem;
  --radius-field: 0.625rem;
  --radius-box: 2rem;
  --size-selector: 0.1875rem;
  --size-field: 0.1875rem;
  --border: 0.5px;
  --depth: 1;
  --noise: 1;
}

/* GENERATED — DO NOT EDIT */
/* Source: tokens/moonlight.yaml */
/* Generator: duskmoon-codegen v2.0.0 */

[data-theme="moonlight"] {
  color-scheme: dark;
  --theme-name: "moonlight";
  --theme-mode: "dark";
  --theme-family: "duskmoon";
  --theme-pair: "sunshine";
  --theme-description: "Neutral white/gold";
  --color-primary: oklch(85.45% 0 0);
  --color-primary-content: oklch(14.94% 0.031 39.947);
  --color-primary-container: oklch(25% 0.01 0);
  --color-on-primary-container: oklch(85% 0.01 0);
  --color-secondary: oklch(83.33% 0.0981 73.78);
  --color-secondary-content: oklch(14.507% 0.035 2.72);
  --color-secondary-container: oklch(28% 0.03 73.78);
  --color-on-secondary-container: oklch(88% 0.03 73.78);
  --color-tertiary: oklch(72% 0.090 255);
  --color-tertiary-content: oklch(14% 0.012 255);
  --color-tertiary-container: oklch(28% 0.030 255);
  --color-on-tertiary-container: oklch(88% 0.010 255);
  --color-accent: oklch(75.65% 0.1303 335.51);
  --color-accent-content: oklch(14.258% 0.033 299.844);
  --color-neutral: oklch(23% 0 0);
  --color-neutral-content: oklch(52.43% 0 0);
  --color-neutral-variant: oklch(55% 0.01 260);
  --color-surface: oklch(20% 0.02 260);
  --color-surface-dim: oklch(17% 0.02 260);
  --color-surface-bright: oklch(28% 0.02 260);
  --color-surface-container-lowest: oklch(14% 0.02 260);
  --color-surface-container-low: oklch(20% 0.02 260);
  --color-surface-container: oklch(22% 0.02 260);
  --color-surface-container-high: oklch(25% 0.02 260);
  --color-surface-container-highest: oklch(28% 0.01 260);
  --color-surface-variant: oklch(30% 0.02 260);
  --color-on-surface: oklch(95% 0.01 260);
  --color-on-surface-variant: oklch(75% 0.01 260);
  --color-base-100: oklch(22% 0.019 237.69);
  --color-base-200: oklch(20% 0.019 237.69);
  --color-base-300: oklch(18% 0.019 237.69);
  --color-base-400: oklch(26% 0.019 237.69);
  --color-base-500: oklch(32% 0.019 237.69);
  --color-base-600: oklch(40% 0.018 237.69);
  --color-base-700: oklch(55% 0.017 237.69);
  --color-base-800: oklch(70% 0.016 237.69);
  --color-base-900: oklch(85% 0.015 237.69);
  --color-base-content: oklch(77.383% 0.043 245.096);
  --color-outline: oklch(44% 0.01 260);
  --color-outline-variant: oklch(35% 0.01 260);
  --color-inverse-surface: oklch(95% 0.01 260);
  --color-inverse-on-surface: oklch(25% 0.02 260);
  --color-inverse-primary: oklch(55% 0.16 255);
  --color-shadow: oklch(0% 0 0);
  --color-scrim: oklch(0% 0 0 / 60%);
  --color-info: oklch(82.42% 0.09757279812867503 240.7677443360475);
  --color-info-content: oklch(17.111% 0.017 206.015);
  --color-info-container: oklch(32% 0.06 235);
  --color-on-info-container: oklch(88% 0.06 235);
  --color-success: oklch(82.19% 0.0621 133.3);
  --color-success-content: oklch(17.112% 0.017 144.778);
  --color-success-container: oklch(30% 0.05 150);
  --color-on-success-container: oklch(85% 0.06 150);
  --color-warning: oklch(76.36% 0.1752731353930708 61.96388739129725);
  --color-warning-content: oklch(17.113% 0.016 74.427);
  --color-warning-container: oklch(35% 0.06 80);
  --color-on-warning-container: oklch(90% 0.06 80);
  --color-error: oklch(46.38% 0.1898 29.17);
  --color-error-content: oklch(86.38% 0.298 39.17);
  --color-error-container: oklch(30% 0.08 25);
  --color-on-error-container: oklch(88% 0.06 25);

  --radius-selector: 0.125rem;
  --radius-field: 0.375rem;
  --radius-box: 1rem;
  --size-selector: 0.125rem;
  --size-field: 0.125rem;
  --border: 1px;
  --depth: 0.8;
  --noise: 0.6;
}

/* GENERATED — DO NOT EDIT */
/* Source: tokens/ocean.yaml */
/* Generator: duskmoon-codegen v2.0.0 */

[data-theme="ocean"] {
  color-scheme: dark;
  --theme-name: "ocean";
  --theme-mode: "dark";
  --theme-family: "ecotone";
  --theme-pair: "forest";
  --theme-description: "Cool blue";
  --color-primary: oklch(72% 0.12 210);
  --color-primary-content: oklch(15% 0.02 210);
  --color-primary-container: oklch(30% 0.08 210);
  --color-on-primary-container: oklch(90% 0.04 210);
  --color-secondary: oklch(75% 0.10 175);
  --color-secondary-content: oklch(15% 0.02 175);
  --color-secondary-container: oklch(28% 0.06 175);
  --color-on-secondary-container: oklch(90% 0.04 175);
  --color-tertiary: oklch(72% 0.10 280);
  --color-tertiary-content: oklch(15% 0.02 280);
  --color-tertiary-container: oklch(28% 0.06 280);
  --color-on-tertiary-container: oklch(90% 0.04 280);
  --color-accent: oklch(70% 0.12 190);
  --color-accent-content: oklch(15% 0.03 190);
  --color-neutral: oklch(90% 0.01 210);
  --color-neutral-content: oklch(16% 0.02 220);
  --color-neutral-variant: oklch(50% 0.02 220);
  --color-surface: oklch(16% 0.02 220);
  --color-surface-dim: oklch(10% 0.015 220);
  --color-surface-bright: oklch(24% 0.025 220);
  --color-surface-container-lowest: oklch(8% 0.01 220);
  --color-surface-container-low: oklch(12% 0.015 220);
  --color-surface-container: oklch(16% 0.02 220);
  --color-surface-container-high: oklch(20% 0.022 220);
  --color-surface-container-highest: oklch(24% 0.025 220);
  --color-surface-variant: oklch(22% 0.025 220);
  --color-on-surface: oklch(90% 0.01 210);
  --color-on-surface-variant: oklch(70% 0.015 210);
  --color-base-100: oklch(16% 0.02 220);
  --color-base-200: oklch(14% 0.015 220);
  --color-base-300: oklch(10% 0.01 220);
  --color-base-400: oklch(30% 0.02 220);
  --color-base-500: oklch(40% 0.02 220);
  --color-base-600: oklch(55% 0.015 220);
  --color-base-700: oklch(70% 0.01 220);
  --color-base-800: oklch(82% 0.01 220);
  --color-base-900: oklch(92% 0.005 220);
  --color-base-content: oklch(90% 0.01 210);
  --color-outline: oklch(45% 0.02 220);
  --color-outline-variant: oklch(32% 0.015 220);
  --color-inverse-surface: oklch(90% 0.01 210);
  --color-inverse-on-surface: oklch(16% 0.02 220);
  --color-inverse-primary: oklch(45% 0.12 210);
  --color-shadow: oklch(0% 0 0);
  --color-scrim: oklch(0% 0 0 / 60%);
  --color-info: oklch(70% 0.12 230);
  --color-info-content: oklch(15% 0.03 230);
  --color-info-container: oklch(28% 0.06 230);
  --color-on-info-container: oklch(88% 0.04 230);
  --color-success: oklch(72% 0.15 155);
  --color-success-content: oklch(15% 0.03 155);
  --color-success-container: oklch(28% 0.06 155);
  --color-on-success-container: oklch(88% 0.04 155);
  --color-warning: oklch(75% 0.14 75);
  --color-warning-content: oklch(18% 0.04 75);
  --color-warning-container: oklch(30% 0.06 75);
  --color-on-warning-container: oklch(88% 0.05 75);
  --color-error: oklch(70% 0.16 20);
  --color-error-content: oklch(15% 0.03 20);
  --color-error-container: oklch(28% 0.06 20);
  --color-on-error-container: oklch(88% 0.05 20);

  --radius-selector: 0.25rem;
  --radius-field: 0.75rem;
  --radius-box: 1.5rem;
  --size-selector: 0.125rem;
  --size-field: 0.125rem;
  --border: 1px;
  --depth: 0.7;
  --noise: 0.3;
}

/* GENERATED — DO NOT EDIT */
/* Source: tokens/forest.yaml */
/* Generator: duskmoon-codegen v2.0.0 */

[data-theme="forest"] {
  color-scheme: light;
  --theme-name: "forest";
  --theme-mode: "light";
  --theme-family: "ecotone";
  --theme-pair: "ocean";
  --theme-description: "Cool green/teal";
  --color-primary: oklch(50% 0.14 150);
  --color-primary-content: oklch(98% 0.01 150);
  --color-primary-container: oklch(92% 0.04 150);
  --color-on-primary-container: oklch(22% 0.06 150);
  --color-secondary: oklch(52% 0.10 55);
  --color-secondary-content: oklch(98% 0.01 55);
  --color-secondary-container: oklch(92% 0.03 55);
  --color-on-secondary-container: oklch(24% 0.05 55);
  --color-tertiary: oklch(58% 0.08 175);
  --color-tertiary-content: oklch(98% 0.01 175);
  --color-tertiary-container: oklch(93% 0.03 175);
  --color-on-tertiary-container: oklch(22% 0.04 175);
  --color-accent: oklch(60% 0.12 85);
  --color-accent-content: oklch(20% 0.04 85);
  --color-neutral: oklch(14% 0.01 100);
  --color-neutral-content: oklch(92% 0.01 100);
  --color-neutral-variant: oklch(48% 0.015 100);
  --color-surface: oklch(99% 0.005 100);
  --color-surface-dim: oklch(95% 0.01 100);
  --color-surface-bright: oklch(100% 0 0);
  --color-surface-container-lowest: oklch(100% 0 0);
  --color-surface-container-low: oklch(98% 0.008 100);
  --color-surface-container: oklch(96% 0.01 100);
  --color-surface-container-high: oklch(94% 0.012 100);
  --color-surface-container-highest: oklch(92% 0.015 100);
  --color-surface-variant: oklch(93% 0.02 100);
  --color-on-surface: oklch(22% 0.02 100);
  --color-on-surface-variant: oklch(42% 0.02 100);
  --color-base-100: oklch(99% 0.005 100);
  --color-base-200: oklch(92% 0.01 100);
  --color-base-300: oklch(80% 0.01 100);
  --color-base-400: oklch(60% 0.01 100);
  --color-base-500: oklch(48% 0.01 100);
  --color-base-600: oklch(38% 0.01 100);
  --color-base-700: oklch(28% 0.01 100);
  --color-base-800: oklch(20% 0.008 100);
  --color-base-900: oklch(14% 0.005 100);
  --color-base-content: oklch(14% 0.01 100);
  --color-outline: oklch(60% 0.015 100);
  --color-outline-variant: oklch(78% 0.01 100);
  --color-inverse-surface: oklch(22% 0.02 100);
  --color-inverse-on-surface: oklch(95% 0.01 100);
  --color-inverse-primary: oklch(75% 0.10 150);
  --color-shadow: oklch(0% 0 0);
  --color-scrim: oklch(0% 0 0 / 40%);
  --color-info: oklch(48% 0.12 240);
  --color-info-content: oklch(98% 0.01 240);
  --color-info-container: oklch(94% 0.03 240);
  --color-on-info-container: oklch(28% 0.06 240);
  --color-success: oklch(55% 0.16 145);
  --color-success-content: oklch(98% 0.01 145);
  --color-success-container: oklch(93% 0.04 145);
  --color-on-success-container: oklch(25% 0.07 145);
  --color-warning: oklch(62% 0.16 65);
  --color-warning-content: oklch(18% 0.04 65);
  --color-warning-container: oklch(93% 0.04 65);
  --color-on-warning-container: oklch(32% 0.08 65);
  --color-error: oklch(52% 0.18 15);
  --color-error-content: oklch(98% 0.01 15);
  --color-error-container: oklch(93% 0.04 15);
  --color-on-error-container: oklch(28% 0.08 15);

  --radius-selector: 0.125rem;
  --radius-field: 0.375rem;
  --radius-box: 1rem;
  --size-selector: 0.1875rem;
  --size-field: 0.1875rem;
  --border: 1px;
  --depth: 0.5;
  --noise: 0.8;
}

/* GENERATED — DO NOT EDIT */
/* Source: tokens/_spacing.yaml */
/* Generator: duskmoon-codegen v2.0.0 */

:root {
  --spacing-0: 0px;
  --spacing-1: 4px;
  --spacing-2: 8px;
  --spacing-3: 12px;
  --spacing-4: 16px;
  --spacing-5: 20px;
  --spacing-6: 24px;
  --spacing-7: 28px;
  --spacing-8: 32px;
  --spacing-10: 40px;
  --spacing-12: 48px;
  --spacing-16: 64px;
  --spacing-20: 80px;
  --spacing-24: 96px;

  --radius-none: 0px;
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 28px;
  --radius-full: 9999px;

  --elevation-level0: 0px;
  --elevation-level1: 1px;
  --elevation-level2: 3px;
  --elevation-level3: 6px;
  --elevation-level4: 8px;
  --elevation-level5: 12px;
}



/* Component styles */
/**
 * DuskMoonUI Components
 * Material Design 3 inspired component library using @layer components
 */

/* Custom utilities (grid-cols-auto-fill-*, grid-cols-auto-fit-*, sr-only) */


/* ============================================
 * CORE COMPONENTS (existing)
 * ============================================ */

/* Button Component */
/**
 * Button Component Styles
 * DuskMoonUI - Material Design 3 inspired button system
 */

@layer components {
  /* Base Button */
  .btn {
    --btn-p: 1.25rem;
    --btn-py: 0.625rem;
    --btn-text-color: var(--color-on-surface);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding-inline: var(--btn-p);
    padding-block: var(--btn-py);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25rem;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    transition: all 150ms ease-in-out;
    background-color: var(--color-surface-container);
    color: var(--btn-text-color);
  }

  .btn:hover {
    filter: brightness(0.95);
  }

  .btn:active {
    transform: scale(0.98);
  }

  .btn:focus {
    outline: none;
  }

  .btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .btn:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    pointer-events: none;
  }

  /* Primary Button */
  .btn-primary {
    --btn-text-color: var(--color-primary-content);
    background-color: var(--color-primary);
    border-color: var(--color-primary);
  }

  .btn-primary:hover {
    background-color: color-mix(in oklch, var(--color-primary), black 10%);
    border-color: color-mix(in oklch, var(--color-primary), black 10%);
    filter: none;
  }

  /* Secondary Button */
  .btn-secondary {
    --btn-text-color: var(--color-secondary-content);
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
  }

  .btn-secondary:hover {
    background-color: color-mix(in oklch, var(--color-secondary), black 10%);
    border-color: color-mix(in oklch, var(--color-secondary), black 10%);
    filter: none;
  }

  /* Tertiary Button */
  .btn-tertiary {
    --btn-text-color: var(--color-tertiary-content);
    background-color: var(--color-tertiary);
    border-color: var(--color-tertiary);
  }

  .btn-tertiary:hover {
    background-color: color-mix(in oklch, var(--color-tertiary), black 10%);
    border-color: color-mix(in oklch, var(--color-tertiary), black 10%);
    filter: none;
  }

  .btn-accent {
    --btn-text-color: var(--color-accent-content);
    background-color: var(--color-accent);
    border-color: var(--color-accent);
  }

  .btn-accent:hover {
    background-color: color-mix(in oklch, var(--color-accent), black 10%);
    border-color: color-mix(in oklch, var(--color-accent), black 10%);
    filter: none;
  }

  .btn-neutral {
    --btn-text-color: var(--color-neutral-content);
    background-color: var(--color-neutral);
    border-color: var(--color-neutral);
  }

  .btn-neutral:hover {
    background-color: color-mix(in oklch, var(--color-neutral), black 10%);
    border-color: color-mix(in oklch, var(--color-neutral), black 10%);
    filter: none;
  }

  .btn-base {
    --btn-text-color: var(--color-base-content);
    background-color: var(--color-base-100);
    border-color: var(--color-base-100);
  }

  .btn-base:hover {
    background-color: var(--color-base-200);
    border-color: var(--color-base-200);
    filter: none;
  }

  /* Outline / Outlined Variant (.btn-outlined is an alias) */
  .btn-outline,
  .btn-outlined {
    --btn-text-color: var(--color-on-surface);
    background-color: transparent;
    border-color: var(--color-outline);
  }

  .btn-outline:hover,
  .btn-outlined:hover {
    background-color: var(--color-surface-container);
    filter: none;
  }

  .btn-outline.btn-primary,
  .btn-outlined.btn-primary {
    --btn-text-color: var(--color-primary);
    border-color: currentColor;
  }

  .btn-outline.btn-primary:hover,
  .btn-outlined.btn-primary:hover {
    --btn-text-color: var(--color-primary-content);
    background-color: var(--color-primary);
  }

  .btn-outline.btn-secondary,
  .btn-outlined.btn-secondary {
    --btn-text-color: var(--color-secondary);
    border-color: currentColor;
  }

  .btn-outline.btn-secondary:hover,
  .btn-outlined.btn-secondary:hover {
    --btn-text-color: var(--color-secondary-content);
    background-color: var(--color-secondary);
  }

  .btn-outline.btn-tertiary,
  .btn-outlined.btn-tertiary {
    --btn-text-color: var(--color-tertiary);
    border-color: currentColor;
  }

  .btn-outline.btn-tertiary:hover,
  .btn-outlined.btn-tertiary:hover {
    --btn-text-color: var(--color-tertiary-content);
    background-color: var(--color-tertiary);
  }

  .btn-outline.btn-accent,
  .btn-outlined.btn-accent {
    --btn-text-color: var(--color-accent);
    border-color: currentColor;
  }

  .btn-outline.btn-accent:hover,
  .btn-outlined.btn-accent:hover {
    --btn-text-color: var(--color-accent-content);
    background-color: var(--color-accent);
  }

  .btn-outline.btn-neutral,
  .btn-outlined.btn-neutral {
    --btn-text-color: var(--color-neutral);
    border-color: currentColor;
  }

  .btn-outline.btn-neutral:hover,
  .btn-outlined.btn-neutral:hover {
    --btn-text-color: var(--color-neutral-content);
    background-color: var(--color-neutral);
  }

  .btn-outline.btn-base,
  .btn-outlined.btn-base {
    --btn-text-color: var(--color-base-content);
    border-color: currentColor;
  }

  .btn-outline.btn-base:hover,
  .btn-outlined.btn-base:hover {
    --btn-text-color: var(--color-base-content);
    background-color: var(--color-base-100);
  }

  .btn-outline.btn-info,
  .btn-outlined.btn-info {
    --btn-text-color: var(--color-info);
    border-color: currentColor;
  }

  .btn-outline.btn-info:hover,
  .btn-outlined.btn-info:hover {
    --btn-text-color: var(--color-info-content);
    background-color: var(--color-info);
  }

  .btn-outline.btn-success,
  .btn-outlined.btn-success {
    --btn-text-color: var(--color-success);
    border-color: currentColor;
  }

  .btn-outline.btn-success:hover,
  .btn-outlined.btn-success:hover {
    --btn-text-color: var(--color-success-content);
    background-color: var(--color-success);
  }

  .btn-outline.btn-warning,
  .btn-outlined.btn-warning {
    --btn-text-color: var(--color-warning);
    border-color: currentColor;
  }

  .btn-outline.btn-warning:hover,
  .btn-outlined.btn-warning:hover {
    --btn-text-color: var(--color-warning-content);
    background-color: var(--color-warning);
  }

  .btn-outline.btn-error,
  .btn-outlined.btn-error {
    --btn-text-color: var(--color-error);
    border-color: currentColor;
  }

  .btn-outline.btn-error:hover,
  .btn-outlined.btn-error:hover {
    --btn-text-color: var(--color-error-content);
    background-color: var(--color-error);
  }

  /* Ghost Variant */
  .btn-ghost {
    --btn-text-color: var(--color-on-surface);
    background-color: transparent;
    border-color: transparent;
  }

  .btn-ghost:hover {
    background-color: var(--color-surface-container);
    filter: none;
  }

  .btn-ghost.btn-primary {
    --btn-text-color: var(--color-primary);
  }

  .btn-ghost.btn-primary:hover {
    --btn-text-color: var(--color-on-primary-container);
    background-color: var(--color-primary-container);
  }

  .btn-ghost.btn-secondary {
    --btn-text-color: var(--color-secondary);
  }

  .btn-ghost.btn-secondary:hover {
    --btn-text-color: var(--color-on-secondary-container);
    background-color: var(--color-secondary-container);
  }

  .btn-ghost.btn-tertiary {
    --btn-text-color: var(--color-tertiary);
  }

  .btn-ghost.btn-tertiary:hover {
    --btn-text-color: var(--color-on-tertiary-container);
    background-color: var(--color-tertiary-container);
  }

  .btn-ghost.btn-info    { --btn-text-color: var(--color-info); }
  .btn-ghost.btn-success { --btn-text-color: var(--color-success); }
  .btn-ghost.btn-warning { --btn-text-color: var(--color-warning); }
  .btn-ghost.btn-error   { --btn-text-color: var(--color-error); }
  .btn-ghost.btn-accent  { --btn-text-color: var(--color-accent); }
  .btn-ghost.btn-neutral { --btn-text-color: var(--color-neutral); }
  .btn-ghost.btn-base    { --btn-text-color: var(--color-base-content); }

  .btn-ghost.btn-accent:hover {
    --btn-text-color: var(--color-accent);
    background-color: color-mix(in oklch, var(--color-accent) 15%, var(--color-surface));
  }

  .btn-ghost.btn-neutral:hover {
    --btn-text-color: var(--color-neutral);
    background-color: color-mix(in oklch, var(--color-neutral) 15%, var(--color-surface));
  }

  .btn-ghost.btn-base:hover {
    --btn-text-color: var(--color-base-content);
    background-color: var(--color-base-200);
  }

  .btn-ghost.btn-info:hover {
    --btn-text-color: var(--color-on-info-container);
    background-color: var(--color-info-container);
  }

  .btn-ghost.btn-success:hover {
    --btn-text-color: var(--color-on-success-container);
    background-color: var(--color-success-container);
  }

  .btn-ghost.btn-warning:hover {
    --btn-text-color: var(--color-on-warning-container);
    background-color: var(--color-warning-container);
  }

  .btn-ghost.btn-error:hover {
    --btn-text-color: var(--color-on-error-container);
    background-color: var(--color-error-container);
  }

  /* Text Variant (alias for .btn-ghost - documentation aligned) */
  .btn-text {
    --btn-text-color: var(--color-on-surface);
    background-color: transparent;
    border-color: transparent;
  }

  .btn-text:hover {
    background-color: var(--color-surface-container);
    filter: none;
  }

  .btn-text.btn-primary {
    --btn-text-color: var(--color-primary);
  }

  .btn-text.btn-primary:hover {
    --btn-text-color: var(--color-on-primary-container);
    background-color: var(--color-primary-container);
  }

  .btn-text.btn-secondary {
    --btn-text-color: var(--color-secondary);
  }

  .btn-text.btn-secondary:hover {
    --btn-text-color: var(--color-on-secondary-container);
    background-color: var(--color-secondary-container);
  }

  .btn-text.btn-tertiary {
    --btn-text-color: var(--color-tertiary);
  }

  .btn-text.btn-tertiary:hover {
    --btn-text-color: var(--color-on-tertiary-container);
    background-color: var(--color-tertiary-container);
  }

  .btn-text.btn-info    { --btn-text-color: var(--color-info); }
  .btn-text.btn-success { --btn-text-color: var(--color-success); }
  .btn-text.btn-warning { --btn-text-color: var(--color-warning); }
  .btn-text.btn-error   { --btn-text-color: var(--color-error); }
  .btn-text.btn-accent  { --btn-text-color: var(--color-accent); }
  .btn-text.btn-neutral { --btn-text-color: var(--color-neutral); }
  .btn-text.btn-base    { --btn-text-color: var(--color-base-content); }

  .btn-text.btn-accent:hover {
    --btn-text-color: var(--color-accent);
    background-color: color-mix(in oklch, var(--color-accent) 15%, var(--color-surface));
  }

  .btn-text.btn-neutral:hover {
    --btn-text-color: var(--color-neutral);
    background-color: color-mix(in oklch, var(--color-neutral) 15%, var(--color-surface));
  }

  .btn-text.btn-base:hover {
    --btn-text-color: var(--color-base-content);
    background-color: var(--color-base-200);
  }

  .btn-text.btn-info:hover {
    --btn-text-color: var(--color-on-info-container);
    background-color: var(--color-info-container);
  }

  .btn-text.btn-success:hover {
    --btn-text-color: var(--color-on-success-container);
    background-color: var(--color-success-container);
  }

  .btn-text.btn-warning:hover {
    --btn-text-color: var(--color-on-warning-container);
    background-color: var(--color-warning-container);
  }

  .btn-text.btn-error:hover {
    --btn-text-color: var(--color-on-error-container);
    background-color: var(--color-error-container);
  }

  /* Tonal Variant - uses container colors for subtle appearance */
  .btn-tonal {
    --btn-text-color: var(--color-on-primary-container);
    background-color: var(--color-primary-container);
    border-color: transparent;
  }

  .btn-tonal:hover {
    filter: brightness(0.95);
  }

  .btn-tonal.btn-primary {
    --btn-text-color: var(--color-on-primary-container);
    background-color: var(--color-primary-container);
  }

  .btn-tonal.btn-secondary {
    --btn-text-color: var(--color-on-secondary-container);
    background-color: var(--color-secondary-container);
  }

  .btn-tonal.btn-tertiary {
    --btn-text-color: var(--color-on-tertiary-container);
    background-color: var(--color-tertiary-container);
  }

  .btn-tonal.btn-accent {
    --btn-text-color: var(--color-on-surface);
    background-color: color-mix(in oklch, var(--color-accent) 15%, var(--color-surface));
  }

  .btn-tonal.btn-neutral {
    --btn-text-color: var(--color-on-surface);
    background-color: color-mix(in oklch, var(--color-neutral) 15%, var(--color-surface));
  }

  .btn-tonal.btn-base {
    --btn-text-color: var(--color-base-content);
    background-color: var(--color-base-200);
  }

  .btn-tonal.btn-info {
    --btn-text-color: var(--color-on-info-container);
    background-color: var(--color-info-container);
  }

  .btn-tonal.btn-success {
    --btn-text-color: var(--color-on-success-container);
    background-color: var(--color-success-container);
  }

  .btn-tonal.btn-warning {
    --btn-text-color: var(--color-on-warning-container);
    background-color: var(--color-warning-container);
  }

  .btn-tonal.btn-error {
    --btn-text-color: var(--color-on-error-container);
    background-color: var(--color-error-container);
  }

  /* Semantic Colors */
  .btn-info {
    --btn-text-color: var(--color-info-content);
    background-color: var(--color-info);
    border-color: var(--color-info);
  }

  .btn-info:hover {
    background-color: color-mix(in oklch, var(--color-info), black 10%);
    border-color: color-mix(in oklch, var(--color-info), black 10%);
    filter: none;
  }

  .btn-success {
    --btn-text-color: var(--color-success-content);
    background-color: var(--color-success);
    border-color: var(--color-success);
  }

  .btn-success:hover {
    background-color: color-mix(in oklch, var(--color-success), black 10%);
    border-color: color-mix(in oklch, var(--color-success), black 10%);
    filter: none;
  }

  .btn-warning {
    --btn-text-color: var(--color-warning-content);
    background-color: var(--color-warning);
    border-color: var(--color-warning);
  }

  .btn-warning:hover {
    background-color: color-mix(in oklch, var(--color-warning), black 10%);
    border-color: color-mix(in oklch, var(--color-warning), black 10%);
    filter: none;
  }

  .btn-error {
    --btn-text-color: var(--color-error-content);
    background-color: var(--color-error);
    border-color: var(--color-error);
  }

  .btn-error:hover {
    background-color: color-mix(in oklch, var(--color-error), black 10%);
    border-color: color-mix(in oklch, var(--color-error), black 10%);
    filter: none;
  }

  /* Size Variants */
  .btn-xs {
    --btn-p: 0.5rem;
    --btn-py: 0.25rem;
    font-size: 0.75rem;
    line-height: 1rem;
    border-radius: var(--radius-xs);
  }

  .btn-sm {
    --btn-p: 0.75rem;
    --btn-py: 0.375rem;
    font-size: 0.8125rem;
    line-height: 1.125rem;
    border-radius: var(--radius-xs);
  }

  .btn-md {
    --btn-p: 1.25rem;
    --btn-py: 0.625rem;
    font-size: 0.875rem;
    line-height: 1.25rem;
    border-radius: var(--radius-sm);
  }

  .btn-lg {
    --btn-p: 1.75rem;
    --btn-py: 0.875rem;
    font-size: 1rem;
    line-height: 1.5rem;
    border-radius: var(--radius-sm);
  }

  /* Block Button */
  .btn-block {
    display: flex;
    width: 100%;
  }

  /* Button Group */
  .btn-group {
    display: inline-flex;
  }

  .btn-group .btn {
    border-radius: 0;
  }

  .btn-group .btn:first-child {
    border-top-left-radius: var(--radius-sm);
    border-bottom-left-radius: var(--radius-sm);
  }

  .btn-group .btn:last-child {
    border-top-right-radius: var(--radius-sm);
    border-bottom-right-radius: var(--radius-sm);
  }

  .btn-group .btn:not(:first-child) {
    margin-inline-start: -1px;
  }

  /* Loading State */
  .btn-loading {
    pointer-events: none;
    position: relative;
    color: transparent !important;
  }

  .btn-loading::after {
    content: '';
    position: absolute;
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--btn-text-color);
    border-right-color: transparent;
    border-radius: var(--radius-full);
    animation: btn-spin 0.6s linear infinite;
  }

  @keyframes btn-spin {
    to {
      transform: rotate(360deg);
    }
  }

  /* Icon Button */
  .btn-circle {
    --btn-p: 0.625rem;
    --btn-py: 0.625rem;
    border-radius: var(--radius-full);
    aspect-ratio: 1;
  }

  .btn-square {
    --btn-p: 0.625rem;
    --btn-py: 0.625rem;
    aspect-ratio: 1;
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .btn {
      transition: none;
    }

    .btn-loading::after {
      animation: none;
    }
  }
}


/* Card Component */
/**
 * Card Component Styles
 * DuskMoonUI - Material Design 3 inspired card system
 */

@layer components {
  /* Base Card */
  .card {
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background-color: var(--color-surface);
    color: var(--color-on-surface);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 150ms ease-in-out, transform 150ms ease-in-out;
  }

  .card:hover {
    box-shadow: var(--shadow-md);
  }

  /* Card Image */
  .card figure,
  .card-image {
    overflow: hidden;
  }

  .card figure img,
  .card-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
  }

  /* Card Body */
  .card-body {
    --card-p: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: var(--card-p);
    flex: 1;
  }

  /* Card Header */
  .card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-inline: var(--card-p, 1.5rem);
    padding-block: calc(var(--card-p, 1.5rem) * 0.5);
    border-block-end: 1px solid var(--color-outline-variant);
  }

  /* Card Footer */
  .card-footer {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-inline: var(--card-p, 1.5rem);
    padding-block: calc(var(--card-p, 1.5rem) * 0.5);
    border-block-start: 1px solid var(--color-outline-variant);
    margin-block-start: auto;
  }

  /* Card Title */
  .card-title {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.75rem;
    color: var(--color-on-surface);
  }

  /* Card Actions */
  .card-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin-block-start: auto;
    padding-block-start: 0.5rem;
  }

  .card-actions.justify-end {
    justify-content: flex-end;
  }

  .card-actions.justify-start {
    justify-content: flex-start;
  }

  .card-actions.justify-center {
    justify-content: center;
  }

  /* Card Bordered */
  .card-bordered {
    border: 1px solid var(--color-outline);
    box-shadow: none;
  }

  .card-bordered:hover {
    box-shadow: none;
    border-color: var(--color-outline-variant);
  }

  /* Card Compact */
  .card-compact .card-header,
  .card-compact .card-body,
  .card-compact .card-footer {
    --card-p: 1rem;
  }

  .card-compact .card-title {
    font-size: 1rem;
  }

  /* Card Side - Horizontal Layout */
  .card-side {
    flex-direction: row;
  }

  .card-side figure,
  .card-side .card-image {
    width: 40%;
    flex-shrink: 0;
  }

  .card-side figure img,
  .card-side .card-image img {
    height: 100%;
    object-fit: cover;
  }

  /* Color Variants */
  .card-primary {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  .card-primary .card-title {
    color: var(--color-on-primary-container);
  }

  .card-secondary {
    background-color: var(--color-secondary-container);
    color: var(--color-on-secondary-container);
  }

  .card-secondary .card-title {
    color: var(--color-on-secondary-container);
  }

  .card-tertiary {
    background-color: var(--color-tertiary-container);
    color: var(--color-on-tertiary-container);
  }

  .card-tertiary .card-title {
    color: var(--color-on-tertiary-container);
  }

  .card-info {
    background-color: var(--color-info-container);
    color: var(--color-on-info-container);
  }

  .card-info .card-title {
    color: var(--color-on-info-container);
  }

  .card-success {
    background-color: var(--color-success-container);
    color: var(--color-on-success-container);
  }

  .card-success .card-title {
    color: var(--color-on-success-container);
  }

  .card-warning {
    background-color: var(--color-warning-container);
    color: var(--color-on-warning-container);
  }

  .card-warning .card-title {
    color: var(--color-on-warning-container);
  }

  .card-error {
    background-color: var(--color-error-container);
    color: var(--color-on-error-container);
  }

  .card-error .card-title {
    color: var(--color-on-error-container);
  }

  .card-accent {
    background-color: color-mix(in oklch, var(--color-accent) 15%, var(--color-surface));
    color: var(--color-on-surface);
  }

  .card-accent .card-title {
    color: var(--color-on-surface);
  }

  .card-neutral {
    background-color: color-mix(in oklch, var(--color-neutral) 15%, var(--color-surface));
    color: var(--color-on-surface);
  }

  .card-neutral .card-title {
    color: var(--color-on-surface);
  }

  .card-base {
    background-color: var(--color-base-200);
    color: var(--color-base-content);
  }

  .card-base .card-title {
    color: var(--color-base-content);
  }

  /* Glass Effect */
  .card-glass {
    background-color: rgb(255 255 255 / 0.1);
    backdrop-filter: blur(12px);
    border: 1px solid rgb(255 255 255 / 0.2);
  }

  /* Elevated Variants */
  .card-elevated {
    box-shadow: var(--shadow-lg);
  }

  .card-elevated:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
  }

  /* Interactive Card */
  .card-interactive {
    cursor: pointer;
  }

  .card-interactive:active {
    transform: scale(0.99);
  }

  .card-interactive:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Full Image Card */
  .card-full-image {
    position: relative;
  }

  .card-full-image figure,
  .card-full-image .card-image {
    position: absolute;
    inset: 0;
    z-index: 0;
  }

  .card-full-image .card-body {
    position: relative;
    z-index: 1;
    background: linear-gradient(to top, color-mix(in srgb, var(--color-shadow) 70%, transparent), transparent);
    color: white;
    margin-top: auto;
    min-height: 50%;
  }

  .card-full-image .card-title {
    color: white;
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .card {
      transition: none;
    }
  }
}


/* Input Component */
/**
 * Input Component Styles
 * DuskMoonUI - Material Design 3 inspired input system
 */

@layer components {
  /* Base Input */
  .input {
    display: flex;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5rem;
    background-color: var(--color-surface);
    color: var(--color-on-surface);
    border: 1px solid currentColor;
    border-radius: var(--radius-sm);
    transition: border-color 150ms ease-in-out, box-shadow 150ms ease-in-out;
  }

  .input::placeholder {
    color: var(--color-on-surface-variant);
    opacity: 0.7;
  }

  .input:focus {
    outline: none;
  }

  .input:focus-visible {
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
    outline: none;
  }

  .input:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    background-color: var(--color-surface-container);
  }

  /* Bordered Input */
  .input-bordered {
    border-color: var(--color-outline);
    background-color: var(--color-surface);
  }

  .input-bordered:hover:not(:disabled):not(:focus) {
    border-color: var(--color-outline-variant);
  }

  /* Color Variants — base .input:focus-visible uses currentColor 20%, so no per-variant
     focus-visible overrides needed; setting color: here is sufficient. */
  .input-primary   { color: var(--color-primary); }
  .input-secondary { color: var(--color-secondary); }
  .input-tertiary  { color: var(--color-tertiary); }

  /* Semantic Colors */
  .input-info    { color: var(--color-info); }
  .input-success { color: var(--color-success); }
  .input-warning { color: var(--color-warning); }
  .input-error   { color: var(--color-error); }
  .input-accent  { color: var(--color-accent); }
  .input-neutral { color: var(--color-neutral); }
  .input-base    { color: var(--color-base-content); }

  /* Size Variants */
  .input-xs {
    padding: 0.375rem 0.625rem;
    font-size: 0.75rem;
    line-height: 1rem;
    border-radius: var(--radius-xs);
    height: 1.75rem;
  }

  .input-sm {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    line-height: 1.25rem;
    border-radius: var(--radius-xs);
    height: 2.25rem;
  }

  .input-lg {
    padding: 1rem 1.25rem;
    font-size: 1.125rem;
    line-height: 1.75rem;
    border-radius: var(--radius-sm);
    height: 3.5rem;
  }

  /* Ghost Input */
  .input-ghost {
    background-color: transparent;
    border-color: transparent;
  }

  .input-ghost:focus-visible {
    background-color: var(--color-surface-container);
    border-color: transparent;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Filled Input */
  .input-filled {
    background-color: var(--color-surface-container);
    border-color: transparent;
    border-bottom: 2px solid var(--color-outline);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  }

  .input-filled:focus-visible {
    border-bottom-color: var(--color-primary);
    box-shadow: none;
  }

  .input-filled.input-primary:focus-visible { border-bottom-color: var(--color-primary); }
  .input-filled.input-secondary:focus-visible { border-bottom-color: var(--color-secondary); }
  .input-filled.input-tertiary:focus-visible { border-bottom-color: var(--color-tertiary); }
  .input-filled.input-info:focus-visible { border-bottom-color: var(--color-info); }
  .input-filled.input-success:focus-visible { border-bottom-color: var(--color-success); }
  .input-filled.input-warning:focus-visible { border-bottom-color: var(--color-warning); }
  .input-filled.input-error:focus-visible { border-bottom-color: var(--color-error); }
  .input-filled.input-accent:focus-visible { border-bottom-color: var(--color-accent); }
  .input-filled.input-neutral:focus-visible { border-bottom-color: var(--color-neutral); }
  .input-filled.input-base:focus-visible { border-bottom-color: var(--color-base-content); }

  /* Input with Icon */
  .input-group {
    display: flex;
    align-items: stretch;
  }

  .input-group > .input {
    flex: 1;
    border-radius: 0;
  }

  .input-group > .input:first-child {
    border-top-left-radius: var(--radius-sm);
    border-bottom-left-radius: var(--radius-sm);
  }

  .input-group > .input:last-child {
    border-top-right-radius: var(--radius-sm);
    border-bottom-right-radius: var(--radius-sm);
  }

  .input-group-text {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 1rem;
    background-color: var(--color-surface-container);
    color: var(--color-on-surface-variant);
    border: 1px solid var(--color-outline);
  }

  .input-group-text:first-child {
    border-top-left-radius: var(--radius-sm);
    border-bottom-left-radius: var(--radius-sm);
    border-right: none;
  }

  .input-group-text:last-child {
    border-top-right-radius: var(--radius-sm);
    border-bottom-right-radius: var(--radius-sm);
    border-left: none;
  }

  /* File Input */
  .file-input {
    display: flex;
    width: 100%;
    padding: 0;
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
  }

  .file-input::file-selector-button {
    padding: 0.75rem 1rem;
    background-color: var(--color-surface-container);
    color: var(--color-on-surface);
    border: none;
    border-right: 1px solid var(--color-outline);
    cursor: pointer;
    transition: background-color 150ms ease-in-out;
  }

  .file-input::file-selector-button:hover {
    background-color: var(--color-surface-container-high);
  }

  .file-input:focus-visible {
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
    outline: none;
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .input,
    .input-filled,
    .file-input {
      transition: none;
    }
  }
}


/* Form Component - includes checkbox, radio, toggle, select, textarea, range */
/**
 * Form Component Styles
 * DuskMoonUI - Material Design 3 inspired form system
 */

@layer components {
  /* Form Control */
  .form-control {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    width: 100%;
    margin-bottom: 1rem;
    color: var(--color-on-surface);
  }

  /* Label */
  .label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.25rem 0;
  }

  .label-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-on-surface);
    padding-bottom: 0.25rem;
  }

  .label-text-alt {
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
  }

  /* Checkbox */
  .checkbox {
    appearance: none;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--color-outline);
    border-radius: var(--radius-xs);
    background-color: transparent;
    cursor: pointer;
    transition: all 150ms ease-in-out;
    position: relative;
  }

  .checkbox:hover {
    border-color: var(--color-primary);
  }

  .checkbox:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
  }

  .checkbox:checked::after {
    content: '';
    position: absolute;
    left: 0.25rem;
    top: 0.0625rem;
    width: 0.375rem;
    height: 0.625rem;
    border: solid var(--color-primary-content);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
  }

  .checkbox:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .checkbox:disabled {
    cursor: not-allowed;
    opacity: 0.5;
  }

  /* Checkbox Color Variants */
  .checkbox-primary:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
  }

  .checkbox-secondary:checked {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
  }

  .checkbox-success:checked {
    background-color: var(--color-success);
    border-color: var(--color-success);
  }

  .checkbox-tertiary:checked {
    background-color: var(--color-tertiary);
    border-color: var(--color-tertiary);
  }

  .checkbox-info:checked {
    background-color: var(--color-info);
    border-color: var(--color-info);
  }

  .checkbox-warning:checked {
    background-color: var(--color-warning);
    border-color: var(--color-warning);
  }

  .checkbox-error:checked {
    background-color: var(--color-error);
    border-color: var(--color-error);
  }

  .checkbox-accent:checked {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
  }

  .checkbox-accent:checked::after {
    border-color: var(--color-accent-content);
  }

  .checkbox-neutral:checked {
    background-color: var(--color-neutral);
    border-color: var(--color-neutral);
  }

  .checkbox-neutral:checked::after {
    border-color: var(--color-neutral-content);
  }

  .checkbox-base:checked {
    background-color: var(--color-base-100);
    border-color: var(--color-base-100);
  }

  .checkbox-base:checked::after {
    border-color: var(--color-base-content);
  }

  /* Checkbox Sizes */
  .checkbox-xs {
    width: 0.875rem;
    height: 0.875rem;
  }

  .checkbox-sm {
    width: 1rem;
    height: 1rem;
  }

  .checkbox-lg {
    width: 1.5rem;
    height: 1.5rem;
  }

  /* Radio */
  .radio {
    appearance: none;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--color-outline);
    border-radius: var(--radius-full);
    background-color: transparent;
    cursor: pointer;
    transition: all 150ms ease-in-out;
    position: relative;
  }

  .radio:hover {
    border-color: var(--color-primary);
  }

  .radio:checked {
    border-color: var(--color-primary);
  }

  .radio:checked::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 0.5rem;
    height: 0.5rem;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    transform: translate(-50%, -50%);
  }

  .radio:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .radio:disabled {
    cursor: not-allowed;
    opacity: 0.5;
  }

  /* Radio Color Variants */
  .radio-primary:checked {
    border-color: var(--color-primary);
  }

  .radio-primary:checked::after {
    background-color: var(--color-primary);
  }

  .radio-secondary:checked {
    border-color: var(--color-secondary);
  }

  .radio-secondary:checked::after {
    background-color: var(--color-secondary);
  }

  .radio-tertiary:checked {
    border-color: var(--color-tertiary);
  }

  .radio-tertiary:checked::after {
    background-color: var(--color-tertiary);
  }

  .radio-info:checked {
    border-color: var(--color-info);
  }

  .radio-info:checked::after {
    background-color: var(--color-info);
  }

  .radio-success:checked {
    border-color: var(--color-success);
  }

  .radio-success:checked::after {
    background-color: var(--color-success);
  }

  .radio-warning:checked {
    border-color: var(--color-warning);
  }

  .radio-warning:checked::after {
    background-color: var(--color-warning);
  }

  .radio-error:checked {
    border-color: var(--color-error);
  }

  .radio-error:checked::after {
    background-color: var(--color-error);
  }

  .radio-accent:checked {
    border-color: var(--color-accent);
  }

  .radio-accent:checked::after {
    background-color: var(--color-accent);
  }

  .radio-neutral:checked {
    border-color: var(--color-neutral);
  }

  .radio-neutral:checked::after {
    background-color: var(--color-neutral);
  }

  .radio-base:checked {
    border-color: var(--color-base-content);
  }

  .radio-base:checked::after {
    background-color: var(--color-base-content);
  }

  /* Toggle/Switch */
  .toggle {
    appearance: none;
    width: 3rem;
    height: 1.5rem;
    border-radius: var(--radius-lg);
    background-color: var(--color-surface-container-highest);
    cursor: pointer;
    transition: all 150ms ease-in-out;
    position: relative;
  }

  .toggle::after {
    content: '';
    position: absolute;
    left: 0.25rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1rem;
    height: 1rem;
    background-color: var(--color-on-surface-variant);
    border-radius: var(--radius-full);
    transition: all 150ms ease-in-out;
  }

  .toggle:checked {
    background-color: var(--color-primary);
  }

  .toggle:checked::after {
    left: calc(100% - 1.25rem);
    background-color: var(--color-primary-content);
  }

  .toggle:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .toggle:disabled {
    cursor: not-allowed;
    opacity: 0.5;
  }

  /* Toggle Sizes */
  .toggle-xs {
    width: 2rem;
    height: 1rem;
  }

  .toggle-xs::after {
    width: 0.625rem;
    height: 0.625rem;
    left: 0.1875rem;
  }

  .toggle-xs:checked::after {
    left: calc(100% - 0.8125rem);
  }

  .toggle-sm {
    width: 2.5rem;
    height: 1.25rem;
  }

  .toggle-sm::after {
    width: 0.75rem;
    height: 0.75rem;
  }

  .toggle-lg {
    width: 4rem;
    height: 2rem;
  }

  .toggle-lg::after {
    width: 1.5rem;
    height: 1.5rem;
  }

  /* Select */
  .select {
    appearance: none;
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5rem;
    background-color: var(--color-surface);
    color: var(--color-on-surface);
    border: 1px solid currentColor;
    border-radius: var(--radius-sm);
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.25rem;
    transition: border-color 150ms ease-in-out;
  }

  .select:focus {
    outline: none;
  }

  .select:focus-visible {
    border-color: var(--color-primary);
    outline: none;
  }

  .select:disabled {
    cursor: not-allowed;
    opacity: 0.5;
  }

  /* Select Bordered */
  .select-bordered {
    border-color: var(--color-outline);
  }

  /* Select Color Variants */
  .select-primary:focus-visible {
    border-color: var(--color-primary);
  }

  .select-secondary:focus-visible {
    border-color: var(--color-secondary);
  }

  .select-tertiary:focus-visible {
    border-color: var(--color-tertiary);
  }

  .select-info:focus-visible {
    border-color: var(--color-info);
  }

  .select-success:focus-visible {
    border-color: var(--color-success);
  }

  .select-warning:focus-visible {
    border-color: var(--color-warning);
  }

  .select-error:focus-visible {
    border-color: var(--color-error);
  }

  .select-accent:focus-visible {
    border-color: var(--color-accent);
  }

  .select-neutral:focus-visible {
    border-color: var(--color-neutral);
  }

  .select-base:focus-visible {
    border-color: var(--color-base-content);
  }

  /* Select Sizes */
  .select-xs {
    padding: 0.375rem 2rem 0.375rem 0.625rem;
    font-size: 0.75rem;
    line-height: 1rem;
  }

  .select-sm {
    padding: 0.5rem 2.25rem 0.5rem 0.75rem;
    font-size: 0.875rem;
    line-height: 1.25rem;
  }

  .select-lg {
    padding: 1rem 3rem 1rem 1.25rem;
    font-size: 1.125rem;
    line-height: 1.75rem;
  }

  /* Textarea */
  .textarea {
    width: 100%;
    min-height: 6rem;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5rem;
    background-color: var(--color-surface);
    color: var(--color-on-surface);
    border: 1px solid currentColor;
    border-radius: var(--radius-sm);
    resize: vertical;
    transition: border-color 150ms ease-in-out;
  }

  .textarea::placeholder {
    color: var(--color-on-surface-variant);
    opacity: 0.7;
  }

  .textarea:focus {
    outline: none;
  }

  .textarea:focus-visible {
    border-color: var(--color-primary);
  }

  .textarea:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    resize: none;
  }

  .textarea-bordered {
    border-color: var(--color-outline);
  }

  /* Validation States */
  .form-control.error .input,
  .form-control.error .select,
  .form-control.error .textarea,
  .input-error,
  .select-error,
  .textarea-error {
    border-color: var(--color-error);
  }

  .form-control.error .input:focus-visible,
  .form-control.error .select:focus-visible,
  .form-control.error .textarea:focus-visible {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-error) 10%, transparent);
  }

  .form-control.error .label-text {
    color: var(--color-error);
  }

  .form-control.success .input,
  .form-control.success .select,
  .form-control.success .textarea,
  .input-success,
  .select-success,
  .textarea-success {
    border-color: var(--color-success);
  }

  .form-control.success .input:focus-visible,
  .form-control.success .select:focus-visible,
  .form-control.success .textarea:focus-visible {
    border-color: var(--color-success);
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-success) 10%, transparent);
  }

  .form-control.success .label-text {
    color: var(--color-success);
  }

  .form-control.warning .input,
  .form-control.warning .select,
  .form-control.warning .textarea,
  .input-warning,
  .select-warning,
  .textarea-warning {
    border-color: var(--color-warning);
  }

  .form-control.warning .input:focus-visible,
  .form-control.warning .select:focus-visible,
  .form-control.warning .textarea:focus-visible {
    border-color: var(--color-warning);
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-warning) 10%, transparent);
  }

  .form-control.warning .label-text {
    color: var(--color-warning);
  }

  .form-control.info .input,
  .form-control.info .select,
  .form-control.info .textarea,
  .input-info,
  .select-info,
  .textarea-info {
    border-color: var(--color-info);
  }

  .form-control.info .input:focus-visible,
  .form-control.info .select:focus-visible,
  .form-control.info .textarea:focus-visible {
    border-color: var(--color-info);
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-info) 10%, transparent);
  }

  .form-control.info .label-text {
    color: var(--color-info);
  }

  /* Helper Text */
  .helper-text {
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
    margin-top: 0.25rem;
  }

  .helper-text.error {
    color: var(--color-error);
  }

  .helper-text.success {
    color: var(--color-success);
  }

  .helper-text.warning {
    color: var(--color-warning);
  }

  .helper-text.info {
    color: var(--color-info);
  }

  /* Native HTML Validation (:user-invalid/:user-valid, :invalid/:valid, ARIA)
   * is handled in form-group.css to avoid duplication. */

  /* Required Field Indicator */
  .label-text.required::after {
    content: ' *';
    color: var(--color-error);
  }

  /* Range Input */
  .range {
    appearance: none;
    width: 100%;
    height: 0.5rem;
    background-color: var(--color-surface-container-highest);
    border-radius: var(--radius-xs);
    cursor: pointer;
  }

  .range::-webkit-slider-thumb {
    appearance: none;
    width: 1.25rem;
    height: 1.25rem;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: transform 150ms ease-in-out;
  }

  .range::-webkit-slider-thumb:hover {
    transform: scale(1.1);
  }

  .range::-moz-range-thumb {
    width: 1.25rem;
    height: 1.25rem;
    background-color: var(--color-primary);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
  }

  .range:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .form-control,
    .input,
    .select,
    .textarea,
    .range,
    .label-float .form-control ~ label {
      transition: none;
    }
  }
}


/* Navigation Component - includes navbar, menu, breadcrumbs, tabs, pagination, dropdown */
/**
 * Navigation Component Styles
 * DuskMoonUI - Material Design 3 inspired navigation system
 */

@layer components {
  /* Navbar Base */
  .navbar {
    display: flex;
    align-items: center;
    width: 100%;
    min-height: 4rem;
    padding: 0.5rem 1rem;
    background-color: var(--color-surface);
    color: var(--color-on-surface);
  }

  .navbar-primary {
    background-color: var(--color-primary);
    color: var(--color-primary-content);
  }

  .navbar-secondary {
    background-color: var(--color-secondary);
    color: var(--color-secondary-content);
  }

  .navbar-tertiary {
    background-color: var(--color-tertiary);
    color: var(--color-tertiary-content);
  }

  .navbar-accent {
    background-color: var(--color-accent);
    color: var(--color-accent-content);
  }

  .navbar-neutral {
    background-color: var(--color-neutral);
    color: var(--color-neutral-content);
  }

  .navbar-base {
    background-color: var(--color-base-100);
    color: var(--color-base-content);
  }

  .navbar-info {
    background-color: var(--color-info);
    color: var(--color-info-content);
  }

  .navbar-success {
    background-color: var(--color-success);
    color: var(--color-success-content);
  }

  .navbar-warning {
    background-color: var(--color-warning);
    color: var(--color-warning-content);
  }

  .navbar-error {
    background-color: var(--color-error);
    color: var(--color-error-content);
  }

  .navbar-start {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: flex-start;
    gap: 0.5rem;
  }

  .navbar-center {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    gap: 0.5rem;
  }

  .navbar-end {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: flex-end;
    gap: 0.5rem;
  }

  /* Menu */
  .menu {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
    padding: 0.5rem;
    gap: 0.25rem;
  }

  .menu li {
    display: flex;
    flex-shrink: 0;
  }

  .menu li > a,
  .menu li > button,
  .menu-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    color: var(--color-on-surface);
    text-decoration: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out;
    white-space: nowrap;
  }

  .menu li > a:hover,
  .menu li > button:hover,
  .menu-item:hover {
    background-color: var(--color-surface-container);
  }

  .menu li > a:focus-visible,
  .menu li > button:focus-visible,
  .menu-item:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .menu li > a.active,
  .menu li > button.active,
  .menu-item.active,
  .menu li > a[aria-current="page"],
  .menu li > button[aria-current="page"] {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  .menu li.disabled > a,
  .menu li.disabled > button,
  .menu-item:disabled {
    opacity: 0.5;
    pointer-events: none;
  }

  /* Menu Horizontal */
  .menu-horizontal {
    flex-direction: row;
  }

  /* Menu Vertical */
  .menu-vertical {
    flex-direction: column;
  }

  .menu-vertical li {
    width: 100%;
  }

  .menu-vertical li > a,
  .menu-vertical li > button,
  .menu-vertical .menu-item {
    width: 100%;
  }

  /* Menu Compact */
  .menu-compact li > a,
  .menu-compact li > button,
  .menu-compact .menu-item {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
  }

  /* Menu Title */
  .menu-title {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-on-surface-variant);
  }

  /* Breadcrumbs */
  .breadcrumbs {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.5rem 0;
    list-style: none;
    margin: 0;
    font-size: 0.875rem;
  }

  /* List-based breadcrumbs (legacy) */
  .breadcrumbs li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .breadcrumbs li::after {
    content: '/';
    color: var(--color-on-surface-variant);
    opacity: 0.5;
  }

  .breadcrumbs li:last-child::after {
    display: none;
  }

  .breadcrumbs li > a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 150ms ease-in-out;
  }

  .breadcrumbs li > a:hover {
    text-decoration: underline;
  }

  .breadcrumbs li:last-child {
    color: var(--color-on-surface-variant);
  }

  /* Span-based breadcrumbs */
  .breadcrumb-item {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--color-on-surface-variant);
    text-decoration: none;
    transition: color 150ms ease-in-out;
  }

  .breadcrumb-item:hover {
    color: var(--color-on-surface);
  }

  .breadcrumb-item-active {
    color: var(--color-on-surface);
    font-weight: 500;
    pointer-events: none;
  }

  .breadcrumb-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--color-on-surface-variant);
    text-decoration: none;
    transition: color 150ms ease-in-out;
    cursor: pointer;
  }

  .breadcrumb-link:hover {
    color: var(--color-primary);
    text-decoration: underline;
  }

  .breadcrumb-link:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
    border-radius: var(--radius-xs);
  }

  /* Separator - Default shows "/" */
  .breadcrumb-separator {
    display: inline-flex;
    align-items: center;
    color: var(--color-on-surface-variant);
    font-size: 0.875rem;
    user-select: none;
    opacity: 0.6;
  }

  .breadcrumb-separator::before {
    content: "/";
  }

  /* Separator Variants */
  .breadcrumbs-slash .breadcrumb-separator::before {
    content: "/";
  }

  .breadcrumbs-chevron .breadcrumb-separator::before {
    content: "›";
    font-size: 1.125rem;
  }

  .breadcrumbs-dot .breadcrumb-separator::before {
    content: "•";
  }

  .breadcrumbs-arrow .breadcrumb-separator::before {
    content: "→";
  }

  .breadcrumbs-pipe .breadcrumb-separator::before {
    content: "|";
  }

  /* Breadcrumb Icon */
  .breadcrumb-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
  }

  .breadcrumb-icon svg {
    width: 100%;
    height: 100%;
  }

  /* Home Icon Link */
  .breadcrumb-home {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-on-surface-variant);
    text-decoration: none;
    transition: color 150ms ease-in-out;
  }

  .breadcrumb-home:hover {
    color: var(--color-primary);
  }

  .breadcrumb-home-icon {
    width: 1.125rem;
    height: 1.125rem;
  }

  /* Collapsed Breadcrumbs (with ellipsis) */
  .breadcrumb-ellipsis {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem 0.5rem;
    color: var(--color-on-surface-variant);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: background-color 150ms ease-in-out;
  }

  .breadcrumb-ellipsis::before {
    content: "...";
  }

  .breadcrumb-ellipsis:hover {
    background-color: color-mix(in oklch, var(--color-on-surface) 8%, transparent);
  }

  /* Color Variants */
  .breadcrumbs-primary .breadcrumb-link:hover,
  .breadcrumbs-primary .breadcrumb-item-active {
    color: var(--color-primary);
  }

  .breadcrumbs-secondary .breadcrumb-link:hover,
  .breadcrumbs-secondary .breadcrumb-item-active {
    color: var(--color-secondary);
  }

  .breadcrumbs-tertiary .breadcrumb-link:hover,
  .breadcrumbs-tertiary .breadcrumb-item-active {
    color: var(--color-tertiary);
  }

  /* Size Variants */
  .breadcrumbs-sm {
    font-size: 0.75rem;
    gap: 0.375rem;
  }

  .breadcrumbs-sm .breadcrumb-icon,
  .breadcrumbs-sm .breadcrumb-home-icon {
    width: 0.875rem;
    height: 0.875rem;
  }

  .breadcrumbs-lg {
    font-size: 1rem;
    gap: 0.625rem;
  }

  .breadcrumbs-lg .breadcrumb-icon,
  .breadcrumbs-lg .breadcrumb-home-icon {
    width: 1.25rem;
    height: 1.25rem;
  }

  /* Contained Variant (with background) */
  .breadcrumbs-contained {
    padding: 0.75rem 1rem;
    background-color: var(--color-surface-container);
    border-radius: var(--radius-sm);
  }

  /* No Wrap Variant */
  .breadcrumbs-nowrap {
    flex-wrap: nowrap;
    overflow-x: auto;
  }

  /* Disabled Breadcrumb Item */
  .breadcrumb-item-disabled {
    opacity: 0.38;
    pointer-events: none;
    cursor: not-allowed;
  }

  /* Tabs */
  .tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    border-bottom: 1px solid var(--color-outline);
  }

  .tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-on-surface-variant);
    text-decoration: none;
    background-color: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all 150ms ease-in-out;
    position: relative;
    margin-bottom: -1px;
  }

  .tab:hover {
    color: var(--color-on-surface);
    background-color: var(--color-surface-container);
  }

  .tab:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .tab.tab-active,
  .tab[aria-selected="true"] {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
  }

  .tab:disabled {
    opacity: 0.5;
    cursor: not-allowed;
  }

  /* Tabs Boxed */
  .tabs-boxed {
    background-color: var(--color-surface-container);
    border-radius: var(--radius-sm);
    padding: 0.25rem;
    border: none;
  }

  .tabs-boxed .tab {
    border-radius: var(--radius-xs);
    border-bottom: none;
    margin-bottom: 0;
  }

  .tabs-boxed .tab.tab-active,
  .tabs-boxed .tab[aria-selected="true"] {
    background-color: var(--color-surface);
    color: var(--color-on-surface);
    box-shadow: var(--shadow-xs);
  }

  /* Tabs Lifted */
  .tabs-lifted {
    border: none;
  }

  .tabs-lifted .tab {
    border: 1px solid transparent;
    border-bottom: none;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    margin-bottom: -1px;
  }

  .tabs-lifted .tab.tab-active,
  .tabs-lifted .tab[aria-selected="true"] {
    background-color: var(--color-surface);
    border-color: var(--color-outline);
    border-bottom-color: var(--color-surface);
  }

  /* Tab Sizes */
  .tab-xs {
    padding: 0.375rem 0.625rem;
    font-size: 0.75rem;
  }

  .tab-sm {
    padding: 0.5rem 0.875rem;
    font-size: 0.8125rem;
  }

  .tab-lg {
    padding: 1rem 1.5rem;
    font-size: 1rem;
  }

  /* Dropdown */
  .dropdown {
    position: relative;
    display: inline-block;
  }

  .dropdown-content {
    position: absolute;
    z-index: 50;
    min-width: 12rem;
    padding: 0.5rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition: all 150ms ease-in-out;
  }

  .dropdown:hover .dropdown-content,
  .dropdown:focus-within .dropdown-content,
  .dropdown.dropdown-open .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  /* Dropdown Positions */
  .dropdown-end .dropdown-content {
    right: 0;
  }

  .dropdown-top .dropdown-content {
    bottom: 100%;
    top: auto;
    margin-bottom: 0.25rem;
  }

  .dropdown-left .dropdown-content {
    right: 100%;
    left: auto;
    top: 0;
    margin-right: 0.25rem;
  }

  .dropdown-right .dropdown-content {
    left: 100%;
    right: auto;
    top: 0;
    margin-left: 0.25rem;
  }

  /* Pagination */
  .pagination {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .pagination-item,
  .pagination-prev,
  .pagination-next,
  .pagination li > a,
  .pagination li > button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    min-width: 2.5rem;
    height: 2.5rem;
    padding: 0 0.75rem;
    font-size: 0.875rem;
    color: var(--color-on-surface);
    background-color: transparent;
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 150ms ease-in-out;
    white-space: nowrap;
  }

  .pagination-item:hover,
  .pagination-prev:hover,
  .pagination-next:hover,
  .pagination li > a:hover,
  .pagination li > button:hover {
    background-color: var(--color-surface-container);
  }

  .pagination-item-active,
  .pagination-item-active-primary,
  .pagination li > a.active,
  .pagination li > button.active,
  .pagination li > a[aria-current="page"],
  .pagination li > button[aria-current="page"] {
    background-color: var(--color-primary);
    color: var(--color-primary-content);
    border-color: var(--color-primary);
  }

  .pagination-item-active-secondary {
    background-color: var(--color-secondary);
    color: var(--color-secondary-content);
    border-color: var(--color-secondary);
  }

  .pagination-item-active-tertiary {
    background-color: var(--color-tertiary);
    color: var(--color-tertiary-content);
    border-color: var(--color-tertiary);
  }

  .pagination-item:focus-visible,
  .pagination-prev:focus-visible,
  .pagination-next:focus-visible,
  .pagination li > a:focus-visible,
  .pagination li > button:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .pagination-item:disabled,
  .pagination-item-disabled,
  .pagination-prev:disabled,
  .pagination-next:disabled,
  .pagination li > a:disabled,
  .pagination li > button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
  }

  /* Pagination Ellipsis */
  .pagination-ellipsis {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    height: 2.5rem;
    color: var(--color-on-surface-variant);
  }

  .pagination-ellipsis::before {
    content: '…';
  }

  /* Pagination Info */
  .pagination-info {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
  }

  .pagination-info-text {
    font-size: 0.875rem;
    color: var(--color-on-surface-variant);
  }

  /* Pagination Input */
  .pagination-input {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-on-surface-variant);
  }

  .pagination-input input {
    width: 3.5rem;
    padding: 0.375rem 0.5rem;
    font-size: 0.875rem;
    text-align: center;
    color: var(--color-on-surface);
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-xs);
  }

  .pagination-input input:focus {
    outline: none;
    border-color: var(--color-primary);
  }

  /* Pagination Variants */
  .pagination-outlined .pagination-item,
  .pagination-outlined .pagination-prev,
  .pagination-outlined .pagination-next {
    border: 1px solid var(--color-outline);
  }

  .pagination-tonal .pagination-item-active,
  .pagination-tonal .pagination-item-active-primary {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
    border-color: var(--color-primary-container);
  }

  /* Pagination Sizes */
  .pagination-sm .pagination-item,
  .pagination-sm .pagination-prev,
  .pagination-sm .pagination-next {
    min-width: 2rem;
    height: 2rem;
    padding: 0 0.5rem;
    font-size: 0.75rem;
  }

  .pagination-lg .pagination-item,
  .pagination-lg .pagination-prev,
  .pagination-lg .pagination-next {
    min-width: 3rem;
    height: 3rem;
    padding: 0 1rem;
    font-size: 1rem;
  }

  /* Pagination Compact */
  .pagination-compact {
    gap: 0;
  }

  .pagination-compact .pagination-item,
  .pagination-compact .pagination-prev,
  .pagination-compact .pagination-next {
    border-radius: 0;
  }

  .pagination-compact .pagination-item:first-child,
  .pagination-compact .pagination-prev {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  }

  .pagination-compact .pagination-item:last-child,
  .pagination-compact .pagination-next {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  }

  /* Pagination Responsive */
  .pagination-responsive {
    flex-wrap: wrap;
    justify-content: center;
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .pagination-item,
    .pagination-prev,
    .pagination-next {
      transition: none;
    }
  }
}


/* Modal Component */
/**
 * Modal Component Styles
 * DuskMoonUI - Material Design 3 inspired modal/dialog system
 */

@layer components {
  /* Modal Container */
  .modal {
    position: fixed;
    inset: 0;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    visibility: hidden;
    opacity: 0;
    transition: visibility 200ms ease-out, opacity 200ms ease-out;
  }

  /* Modal Open State */
  .modal.modal-open,
  .modal:target {
    visibility: visible;
    opacity: 1;
  }

  /* Modal Box */
  .modal-box {
    position: relative;
    z-index: 1;
    max-width: 32rem;
    max-height: calc(100vh - 5rem);
    padding: 1.5rem;
    background-color: var(--color-surface);
    color: var(--color-on-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
    overflow-y: auto;
    transform: scale(0.95);
    transition: transform 200ms ease-out;
  }

  .modal.modal-open .modal-box,
  .modal:target .modal-box {
    transform: scale(1);
  }

  /* Modal Backdrop */
  .modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: -1;
    background-color: color-mix(in srgb, var(--color-scrim) 50%, transparent);
    cursor: pointer;
  }

  .modal-backdrop::before {
    content: '';
    position: absolute;
    inset: 0;
  }

  /* Modal Action */
  .modal-action {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
  }

  /* Modal Toggle (CSS-only) */
  .modal-toggle {
    position: fixed;
    width: 0;
    height: 0;
    appearance: none;
    opacity: 0;
  }

  .modal-toggle:checked + .modal {
    visibility: visible;
    opacity: 1;
  }

  .modal-toggle:checked + .modal .modal-box {
    transform: scale(1);
  }

  /* Modal Sizes */
  .modal-sm .modal-box {
    max-width: 20rem;
  }

  .modal-lg .modal-box {
    max-width: 48rem;
  }

  .modal-full .modal-box {
    max-width: calc(100vw - 2rem);
    max-height: calc(100vh - 2rem);
    width: 100%;
    height: 100%;
  }

  /* Modal Positions */
  .modal-top {
    align-items: flex-start;
    padding-top: 2rem;
  }

  .modal-bottom {
    align-items: flex-end;
    padding-bottom: 2rem;
  }

  .modal-middle {
    align-items: center;
  }

  /* Modal Close Button */
  .modal-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    font-size: 1.25rem;
    color: var(--color-on-surface-variant);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out;
  }

  .modal-close:hover {
    background-color: var(--color-surface-container);
    color: var(--color-on-surface);
  }

  .modal-close:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Modal Header */
  .modal-header {
    margin-bottom: 1rem;
    padding-right: 2rem;
  }

  .modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-on-surface);
    margin: 0;
  }

  /* Modal Body */
  .modal-body {
    color: var(--color-on-surface-variant);
    line-height: 1.5;
  }

  /* Responsive Modal */
  @media (max-width: 640px) {
    .modal-box {
      max-width: calc(100vw - 2rem);
      margin: 1rem;
    }

    .modal-responsive {
      align-items: flex-end;
      padding: 0;
    }

    .modal-responsive .modal-box {
      max-width: 100%;
      max-height: 90vh;
      margin: 0;
      border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }
  }

  /* Drawer Modal */
  .drawer-modal {
    align-items: stretch;
    justify-content: flex-end;
    padding: 0;
  }

  .drawer-modal .modal-box {
    max-width: 20rem;
    max-height: 100vh;
    height: 100%;
    margin: 0;
    border-radius: 0;
    transform: translateX(100%);
  }

  .drawer-modal.modal-open .modal-box,
  .drawer-modal:target .modal-box {
    transform: translateX(0);
  }

  .drawer-modal-left {
    justify-content: flex-start;
  }

  .drawer-modal-left .modal-box {
    transform: translateX(-100%);
  }

  .drawer-modal-left.modal-open .modal-box,
  .drawer-modal-left:target .modal-box {
    transform: translateX(0);
  }

  /* Alert/Confirm Dialog */
  .alert-dialog {
    text-align: center;
  }

  .alert-dialog .modal-box {
    max-width: 24rem;
  }

  .alert-dialog .modal-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    font-size: 2rem;
  }

  .alert-dialog .modal-icon.info {
    background-color: var(--color-info-container);
    color: var(--color-on-info-container);
  }

  .alert-dialog .modal-icon.success {
    background-color: var(--color-success-container);
    color: var(--color-on-success-container);
  }

  .alert-dialog .modal-icon.warning {
    background-color: var(--color-warning-container);
    color: var(--color-on-warning-container);
  }

  .alert-dialog .modal-icon.error {
    background-color: var(--color-error-container);
    color: var(--color-on-error-container);
  }

  .alert-dialog .modal-action {
    justify-content: center;
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .modal {
      transition: visibility 0ms, opacity 0ms;
    }

    .modal-box {
      transition: transform 0ms;
    }
  }

  /* Focus Trap Helper */
  .modal-focus-trap {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
}


/* ============================================
 * DATA DISPLAY COMPONENTS
 * ============================================ */

/**
 * Avatar Component Styles
 * DuskMoonUI - Material Design 3 inspired avatar system
 */

@layer components {
  /* Base Avatar */
  .avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
    overflow: hidden;
    background-color: var(--color-surface-container);
    color: var(--color-on-surface);
    font-weight: 500;
    flex-shrink: 0;
  }

  .avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  /* Avatar Placeholder */
  .avatar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 1.25rem;
    text-transform: uppercase;
  }

  /* Size Variants */
  .avatar-xs {
    width: 1.5rem;
    height: 1.5rem;
    font-size: 0.625rem;
  }

  .avatar-sm {
    width: 2rem;
    height: 2rem;
    font-size: 0.75rem;
  }

  .avatar-md {
    width: 3rem;
    height: 3rem;
    font-size: 1rem;
  }

  .avatar-lg {
    width: 4rem;
    height: 4rem;
    font-size: 1.5rem;
  }

  .avatar-xl {
    width: 6rem;
    height: 6rem;
    font-size: 2rem;
  }

  /* Shape Variants */
  .avatar-rounded {
    border-radius: var(--radius-sm);
  }

  .avatar-square {
    border-radius: 0;
  }

  /* Color Variants */
  .avatar-primary {
    background-color: var(--color-primary);
    color: var(--color-primary-content);
  }

  .avatar-secondary {
    background-color: var(--color-secondary);
    color: var(--color-secondary-content);
  }

  .avatar-tertiary {
    background-color: var(--color-tertiary);
    color: var(--color-tertiary-content);
  }

  .avatar-info {
    background-color: var(--color-info);
    color: var(--color-info-content);
  }

  .avatar-success {
    background-color: var(--color-success);
    color: var(--color-success-content);
  }

  .avatar-warning {
    background-color: var(--color-warning);
    color: var(--color-warning-content);
  }

  .avatar-error {
    background-color: var(--color-error);
    color: var(--color-error-content);
  }

  .avatar-accent {
    background-color: var(--color-accent);
    color: var(--color-accent-content);
  }

  .avatar-neutral {
    background-color: var(--color-neutral);
    color: var(--color-neutral-content);
  }

  .avatar-base {
    background-color: var(--color-base-100);
    color: var(--color-base-content);
  }

  /* Ring */
  .avatar-ring {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .avatar-ring-primary {
    outline-color: var(--color-primary);
  }

  .avatar-ring-secondary {
    outline-color: var(--color-secondary);
  }

  .avatar-ring-tertiary {
    outline-color: var(--color-tertiary);
  }

  /* Online/Offline Indicator */
  .avatar-online::after,
  .avatar-offline::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 25%;
    height: 25%;
    min-width: 0.5rem;
    min-height: 0.5rem;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-surface);
  }

  .avatar-online::after {
    background-color: var(--color-success);
  }

  .avatar-offline::after {
    background-color: var(--color-outline);
  }

  /* Avatar Group */
  .avatar-group {
    display: flex;
    flex-direction: row-reverse;
    justify-content: flex-end;
  }

  .avatar-group .avatar {
    border: 2px solid var(--color-surface);
    margin-left: -0.75rem;
  }

  .avatar-group .avatar:last-child {
    margin-left: 0;
  }

  /* Avatar Group Sizes */
  .avatar-group-sm .avatar {
    margin-left: -0.5rem;
  }

  .avatar-group-lg .avatar {
    margin-left: -1rem;
  }

  /* Focus State for Interactive Avatars */
  .avatar:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }
}

/**
 * Badge Component Styles
 * DuskMoonUI - Material Design 3 inspired badge system
 */

@layer components {
  /* Base Badge */
  .badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.125rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1rem;
    white-space: nowrap;
    border-radius: var(--radius-full);
    background-color: var(--color-surface-container);
    color: var(--color-on-surface);
  }

  /* Color Variants */
  .badge-primary {
    background-color: var(--color-primary);
    color: var(--color-primary-content);
  }

  .badge-secondary {
    background-color: var(--color-secondary);
    color: var(--color-secondary-content);
  }

  .badge-tertiary {
    background-color: var(--color-tertiary);
    color: var(--color-tertiary-content);
  }

  .badge-accent {
    background-color: var(--color-accent);
    color: var(--color-accent-content);
  }

  .badge-neutral {
    background-color: var(--color-neutral);
    color: var(--color-neutral-content);
  }

  .badge-base {
    background-color: var(--color-base-100);
    color: var(--color-base-content);
  }

  .badge-info {
    background-color: var(--color-info);
    color: var(--color-info-content);
  }

  .badge-success {
    background-color: var(--color-success);
    color: var(--color-success-content);
  }

  .badge-warning {
    background-color: var(--color-warning);
    color: var(--color-warning-content);
  }

  .badge-error {
    background-color: var(--color-error);
    color: var(--color-error-content);
  }

  /* Outlined Variants */
  .badge-outline {
    background-color: transparent;
    border: 1px solid currentColor;
  }

  .badge-outline.badge-primary {
    color: var(--color-primary);
    border-color: var(--color-primary);
  }

  .badge-outline.badge-secondary {
    color: var(--color-secondary);
    border-color: var(--color-secondary);
  }

  .badge-outline.badge-tertiary {
    color: var(--color-tertiary);
    border-color: var(--color-tertiary);
  }

  .badge-outline.badge-accent {
    color: var(--color-accent);
    border-color: var(--color-accent);
  }

  .badge-outline.badge-neutral {
    color: var(--color-neutral);
    border-color: var(--color-neutral);
  }

  .badge-outline.badge-base {
    color: var(--color-base-content);
    border-color: var(--color-base-content);
  }

  .badge-outline.badge-info {
    color: var(--color-info);
    border-color: var(--color-info);
  }

  .badge-outline.badge-success {
    color: var(--color-success);
    border-color: var(--color-success);
  }

  .badge-outline.badge-warning {
    color: var(--color-warning);
    border-color: var(--color-warning);
  }

  .badge-outline.badge-error {
    color: var(--color-error);
    border-color: var(--color-error);
  }

  /* Soft/Tonal Variants */
  .badge-soft {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  .badge-soft.badge-primary {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  .badge-soft.badge-secondary {
    background-color: var(--color-secondary-container);
    color: var(--color-on-secondary-container);
  }

  .badge-soft.badge-tertiary {
    background-color: var(--color-tertiary-container);
    color: var(--color-on-tertiary-container);
  }

  .badge-soft.badge-accent {
    background-color: color-mix(in oklch, var(--color-accent) 15%, var(--color-surface));
    color: var(--color-on-surface);
  }

  .badge-soft.badge-neutral {
    background-color: color-mix(in oklch, var(--color-neutral) 15%, var(--color-surface));
    color: var(--color-on-surface);
  }

  .badge-soft.badge-base {
    background-color: var(--color-base-200);
    color: var(--color-base-content);
  }

  .badge-soft.badge-info {
    background-color: var(--color-info-container);
    color: var(--color-on-info-container);
  }

  .badge-soft.badge-success {
    background-color: var(--color-success-container);
    color: var(--color-on-success-container);
  }

  .badge-soft.badge-warning {
    background-color: var(--color-warning-container);
    color: var(--color-on-warning-container);
  }

  .badge-soft.badge-error {
    background-color: var(--color-error-container);
    color: var(--color-on-error-container);
  }

  /* Size Variants */
  .badge-sm {
    padding: 0 0.375rem;
    font-size: 0.625rem;
    line-height: 0.875rem;
  }

  .badge-lg {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    line-height: 1.25rem;
  }

  /* Badge with Indicator Dot */
  .badge-indicator {
    position: relative;
    padding-left: 1rem;
  }

  .badge-indicator::before {
    content: '';
    position: absolute;
    left: 0.375rem;
    top: 50%;
    transform: translateY(-50%);
    width: 0.375rem;
    height: 0.375rem;
    border-radius: var(--radius-full);
    background-color: currentColor;
  }

  /* Empty Badge (just a dot) */
  .badge-dot {
    width: 0.5rem;
    height: 0.5rem;
    padding: 0;
    border-radius: var(--radius-full);
  }
}

/**
 * Chat Component Styles
 * DuskMoonUI - LLM-oriented chat primitives
 */

@layer components {
  .chat {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: 0.75rem;
    align-items: end;
    padding: 0.25rem 0;
  }

  .chat-start {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .chat-end {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .chat-avatar {
    grid-row: 1 / span 999;
    grid-column: 1;
    align-self: start;
    justify-self: start;
  }

  .chat-end .chat-avatar {
    grid-column: 2;
    justify-self: end;
  }

  .chat > :not(.chat-avatar) {
    grid-column: 2;
    justify-self: start;
    max-width: 100%;
    margin-bottom: 0.25rem;
  }

  .chat-end > :not(.chat-avatar) {
    grid-column: 1;
    justify-self: end;
  }

  .chat-header,
  .chat-footer {
    color: var(--color-on-surface-variant);
    font-size: 0.75rem;
    line-height: 1rem;
  }

  .chat-header {
    margin-bottom: 0.125rem;
  }

  .chat-footer {
    margin-top: 0.125rem;
    margin-bottom: 0;
  }

  .chat-bubble {
    --chat-bubble-bg: var(--color-surface-container-highest);
    --chat-bubble-fg: var(--color-on-surface);

    position: relative;
    max-width: min(80ch, 100%);
    padding: 0.625rem 0.875rem;
    border-radius: 1rem;
    background-color: var(--chat-bubble-bg);
    color: var(--chat-bubble-fg);
    box-shadow: inset 0 0 0 1px var(--color-outline-variant);
    font-size: 0.875rem;
    line-height: 1.45;
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .chat-start .chat-bubble::before,
  .chat-end .chat-bubble::before,
  .chat-start .chat-bubble::after,
  .chat-end .chat-bubble::after {
    content: "";
    position: absolute;
    top: 0;
    clip-path: polygon(0 0, 100% 0, 100% 100%);
  }

  .chat-start .chat-bubble::before {
    left: -0.625rem;
    width: 1rem;
    height: 1rem;
    background-color: var(--color-outline-variant);
  }

  .chat-start .chat-bubble::after {
    left: -0.5rem;
    width: calc(1rem - 2px);
    height: calc(1rem - 2px);
    top: 1px;
    background-color: var(--chat-bubble-bg);
  }

  .chat-start .chat-bubble {
    border-top-left-radius: 0;
  }

  .chat-end .chat-bubble::before {
    right: -0.625rem;
    width: 1rem;
    height: 1rem;
    background-color: var(--color-outline-variant);
    transform: scaleX(-1);
  }

  .chat-end .chat-bubble::after {
    right: -0.5rem;
    width: calc(1rem - 2px);
    height: calc(1rem - 2px);
    top: 1px;
    background-color: var(--chat-bubble-bg);
    transform: scaleX(-1);
  }

  .chat-end .chat-bubble {
    border-top-right-radius: 0;
  }

  .chat-bubble-primary {
    --chat-bubble-bg: var(--color-primary-container);
    --chat-bubble-fg: var(--color-on-primary-container);
  }

  .chat-bubble-secondary {
    --chat-bubble-bg: var(--color-secondary-container);
    --chat-bubble-fg: var(--color-on-secondary-container);
  }

  .chat-bubble-tertiary {
    --chat-bubble-bg: var(--color-tertiary-container);
    --chat-bubble-fg: var(--color-on-tertiary-container);
  }

  .chat-bubble-info {
    --chat-bubble-bg: var(--color-info-container);
    --chat-bubble-fg: var(--color-on-info-container);
  }

  .chat-bubble-success {
    --chat-bubble-bg: var(--color-success-container);
    --chat-bubble-fg: var(--color-on-success-container);
  }

  .chat-bubble-warning {
    --chat-bubble-bg: var(--color-warning-container);
    --chat-bubble-fg: var(--color-on-warning-container);
  }

  .chat-bubble-error {
    --chat-bubble-bg: var(--color-error-container);
    --chat-bubble-fg: var(--color-on-error-container);
  }

  .chat-bubble-accent {
    --chat-bubble-bg: color-mix(in oklch, var(--color-accent) 15%, var(--color-surface));
    --chat-bubble-fg: var(--color-on-surface);
  }

  .chat-bubble-neutral {
    --chat-bubble-bg: color-mix(in oklch, var(--color-neutral) 15%, var(--color-surface));
    --chat-bubble-fg: var(--color-on-surface);
  }

  .chat-bubble-base {
    --chat-bubble-bg: var(--color-base-200);
    --chat-bubble-fg: var(--color-base-content);
  }

  .chat-bubble-filled.chat-bubble-primary {
    --chat-bubble-bg: var(--color-primary);
    --chat-bubble-fg: var(--color-primary-content);
  }

  .chat-bubble-filled.chat-bubble-secondary {
    --chat-bubble-bg: var(--color-secondary);
    --chat-bubble-fg: var(--color-secondary-content);
  }

  .chat-bubble-filled.chat-bubble-tertiary {
    --chat-bubble-bg: var(--color-tertiary);
    --chat-bubble-fg: var(--color-tertiary-content);
  }

  .chat-bubble-filled.chat-bubble-info {
    --chat-bubble-bg: var(--color-info);
    --chat-bubble-fg: var(--color-info-content);
  }

  .chat-bubble-filled.chat-bubble-success {
    --chat-bubble-bg: var(--color-success);
    --chat-bubble-fg: var(--color-success-content);
  }

  .chat-bubble-filled.chat-bubble-warning {
    --chat-bubble-bg: var(--color-warning);
    --chat-bubble-fg: var(--color-warning-content);
  }

  .chat-bubble-filled.chat-bubble-error {
    --chat-bubble-bg: var(--color-error);
    --chat-bubble-fg: var(--color-error-content);
  }

  .chat-bubble-filled.chat-bubble-accent {
    --chat-bubble-bg: var(--color-accent);
    --chat-bubble-fg: var(--color-accent-content);
  }

  .chat-bubble-filled.chat-bubble-neutral {
    --chat-bubble-bg: var(--color-neutral);
    --chat-bubble-fg: var(--color-neutral-content);
  }

  .chat-bubble-filled.chat-bubble-base {
    --chat-bubble-bg: var(--color-base-100);
    --chat-bubble-fg: var(--color-base-content);
  }

  .chat-bubble-xs {
    padding: 0.375rem 0.625rem;
    font-size: 0.75rem;
  }

  .chat-bubble-sm {
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
  }

  .chat-bubble-md {
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
  }

  .chat-bubble-lg {
    padding: 0.875rem 1.125rem;
    font-size: 1rem;
  }

  .chat-reasoning,
  .chat-tool {
    width: min(80ch, 100%);
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-sm);
    background-color: var(--color-surface-container-low);
    color: var(--color-on-surface);
    font-size: 0.8125rem;
    line-height: 1.45;
    overflow: hidden;
  }

  .chat-reasoning > summary,
  .chat-tool > summary {
    cursor: pointer;
    list-style-position: inside;
  }

  .chat-reasoning > summary {
    padding: 0.5rem 0.75rem;
    color: var(--color-on-surface-variant);
    font-weight: 500;
  }

  .chat-reasoning > :not(summary) {
    padding: 0 0.75rem 0.75rem;
    color: var(--color-on-surface-variant);
    font-style: italic;
  }

  .chat-tool-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    color: var(--color-on-surface);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 0.75rem;
    font-weight: 600;
  }

  .chat-tool-status {
    display: inline-flex;
    align-items: center;
    min-height: 1.25rem;
    padding: 0.125rem 0.5rem;
    border-radius: 999px;
    margin-left: auto;
    font-family: inherit;
    font-size: 0.6875rem;
    font-weight: 600;
    line-height: 1;
  }

  .chat-tool-call,
  .chat-tool-result {
    padding: 0.75rem;
    border-top: 1px solid var(--color-outline);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 0.75rem;
    overflow-x: auto;
  }

  .chat-tool-result {
    background-color: color-mix(in oklch, var(--color-surface-container) 65%, transparent);
  }

  .chat-tool-pending .chat-tool-status {
    border: 1px solid var(--color-outline);
    color: var(--color-on-surface-variant);
  }

  .chat-tool-running .chat-tool-status {
    background-color: var(--color-info-container);
    color: var(--color-on-info-container);
  }

  .chat-tool-running .chat-tool-header::before {
    content: "";
    width: 0.875rem;
    height: 0.875rem;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 999px;
    animation: chat-tool-spin 800ms linear infinite;
  }

  .chat-tool-success .chat-tool-status {
    background-color: var(--color-success-container);
    color: var(--color-on-success-container);
  }

  .chat-tool-error .chat-tool-status {
    background-color: var(--color-error-container);
    color: var(--color-on-error-container);
  }

  .chat-typing {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    min-width: 2.25rem;
  }

  .chat-typing::before,
  .chat-typing::after,
  .chat-typing span {
    content: "";
    width: 0.375rem;
    height: 0.375rem;
    border-radius: 999px;
    background-color: currentColor;
    opacity: 0.55;
    animation: chat-typing-dot 1.4s ease-in-out infinite;
  }

  .chat-typing span {
    animation-delay: 150ms;
  }

  .chat-typing::after {
    animation-delay: 300ms;
  }

  .chat-bubble-streaming::after {
    content: "";
    display: inline-block;
    width: 1px;
    height: 1em;
    margin-left: 0.25rem;
    background-color: currentColor;
    vertical-align: -0.125em;
    animation: chat-stream-caret 1s step-end infinite;
  }

  .chat-reasoning > summary:focus-visible,
  .chat-tool > summary:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  @keyframes chat-typing-dot {
    0%,
    80%,
    100% {
      opacity: 0.45;
      transform: translateY(0);
    }

    40% {
      opacity: 1;
      transform: translateY(-0.1875rem);
    }
  }

  @keyframes chat-stream-caret {
    0%,
    49% {
      opacity: 1;
    }

    50%,
    100% {
      opacity: 0;
    }
  }

  @keyframes chat-tool-spin {
    to {
      transform: rotate(360deg);
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .chat-typing::before,
    .chat-typing::after,
    .chat-typing span,
    .chat-bubble-streaming::after,
    .chat-tool-running .chat-tool-header::before {
      animation: none;
    }

    .chat-bubble-streaming::after {
      opacity: 1;
    }
  }
}

/**
 * Chip Component Styles
 * DuskMoonUI - Material Design 3 inspired chip system
 */

@layer components {
  /* Base Chip */
  .chip {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25rem;
    border-radius: var(--radius-sm);
    background-color: var(--color-surface-container);
    color: var(--color-on-surface);
    border: 1px solid currentColor;
    cursor: default;
    transition: all 150ms ease-in-out;
  }

  /* Interactive Chip */
  .chip-clickable {
    cursor: pointer;
  }

  .chip-clickable:hover {
    background-color: var(--color-surface-container-high);
  }

  .chip-clickable:active {
    transform: scale(0.98);
  }

  .chip:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Color Variants - Filled */
  .chip-primary {
    background-color: var(--color-primary);
    color: var(--color-primary-content);
    border-color: var(--color-primary);
  }

  .chip-primary:hover {
    background-color: color-mix(in oklch, var(--color-primary), black 10%);
  }

  .chip-secondary {
    background-color: var(--color-secondary);
    color: var(--color-secondary-content);
    border-color: var(--color-secondary);
  }

  .chip-secondary:hover {
    background-color: color-mix(in oklch, var(--color-secondary), black 10%);
  }

  .chip-tertiary {
    background-color: var(--color-tertiary);
    color: var(--color-tertiary-content);
    border-color: var(--color-tertiary);
  }

  .chip-tertiary:hover {
    background-color: color-mix(in oklch, var(--color-tertiary), black 10%);
  }

  .chip-accent {
    background-color: var(--color-accent);
    color: var(--color-accent-content);
    border-color: var(--color-accent);
  }

  .chip-accent:hover {
    background-color: color-mix(in oklch, var(--color-accent), black 10%);
  }

  .chip-neutral {
    background-color: var(--color-neutral);
    color: var(--color-neutral-content);
    border-color: var(--color-neutral);
  }

  .chip-neutral:hover {
    background-color: color-mix(in oklch, var(--color-neutral), black 10%);
  }

  .chip-base {
    background-color: var(--color-base-100);
    color: var(--color-base-content);
    border-color: var(--color-base-100);
  }

  .chip-base:hover {
    background-color: var(--color-base-200);
  }

  .chip-info {
    background-color: var(--color-info);
    color: var(--color-info-content);
    border-color: var(--color-info);
  }

  .chip-info:hover {
    background-color: color-mix(in oklch, var(--color-info), black 10%);
  }

  .chip-success {
    background-color: var(--color-success);
    color: var(--color-success-content);
    border-color: var(--color-success);
  }

  .chip-success:hover {
    background-color: color-mix(in oklch, var(--color-success), black 10%);
  }

  .chip-warning {
    background-color: var(--color-warning);
    color: var(--color-warning-content);
    border-color: var(--color-warning);
  }

  .chip-warning:hover {
    background-color: color-mix(in oklch, var(--color-warning), black 10%);
  }

  .chip-error {
    background-color: var(--color-error);
    color: var(--color-error-content);
    border-color: var(--color-error);
  }

  .chip-error:hover {
    background-color: color-mix(in oklch, var(--color-error), black 10%);
  }

  /* Outlined Variant */
  .chip-outlined {
    background-color: transparent;
    border-color: var(--color-outline);
  }

  .chip-outlined:hover {
    background-color: var(--color-surface-container);
  }

  .chip-outlined.chip-primary {
    color: var(--color-primary);
  }

  .chip-outlined.chip-primary:hover {
    background-color: var(--color-primary-container);
  }

  .chip-outlined.chip-secondary {
    color: var(--color-secondary);
  }

  .chip-outlined.chip-secondary:hover {
    background-color: var(--color-secondary-container);
  }

  .chip-outlined.chip-tertiary {
    color: var(--color-tertiary);
  }

  .chip-outlined.chip-tertiary:hover {
    background-color: var(--color-tertiary-container);
  }

  .chip-outlined.chip-accent {
    color: var(--color-accent);
  }

  .chip-outlined.chip-accent:hover {
    background-color: color-mix(in oklch, var(--color-accent) 15%, var(--color-surface));
  }

  .chip-outlined.chip-neutral {
    color: var(--color-neutral);
  }

  .chip-outlined.chip-neutral:hover {
    background-color: color-mix(in oklch, var(--color-neutral) 15%, var(--color-surface));
  }

  .chip-outlined.chip-base {
    color: var(--color-base-content);
  }

  .chip-outlined.chip-base:hover {
    background-color: var(--color-base-200);
  }

  .chip-outlined.chip-info {
    color: var(--color-info);
  }

  .chip-outlined.chip-info:hover {
    background-color: var(--color-info-container);
  }

  .chip-outlined.chip-success {
    color: var(--color-success);
  }

  .chip-outlined.chip-success:hover {
    background-color: var(--color-success-container);
  }

  .chip-outlined.chip-warning {
    color: var(--color-warning);
  }

  .chip-outlined.chip-warning:hover {
    background-color: var(--color-warning-container);
  }

  .chip-outlined.chip-error {
    color: var(--color-error);
  }

  .chip-outlined.chip-error:hover {
    background-color: var(--color-error-container);
  }

  /* Tonal/Soft Variant */
  .chip-tonal {
    background-color: var(--color-surface-container-high);
    border-color: transparent;
  }

  .chip-tonal.chip-primary {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  .chip-tonal.chip-secondary {
    background-color: var(--color-secondary-container);
    color: var(--color-on-secondary-container);
  }

  .chip-tonal.chip-tertiary {
    background-color: var(--color-tertiary-container);
    color: var(--color-on-tertiary-container);
  }

  .chip-tonal.chip-accent {
    background-color: color-mix(in oklch, var(--color-accent) 15%, var(--color-surface));
    color: var(--color-on-surface);
  }

  .chip-tonal.chip-neutral {
    background-color: color-mix(in oklch, var(--color-neutral) 15%, var(--color-surface));
    color: var(--color-on-surface);
  }

  .chip-tonal.chip-base {
    background-color: var(--color-base-200);
    color: var(--color-base-content);
  }

  .chip-tonal.chip-info {
    background-color: var(--color-info-container);
    color: var(--color-on-info-container);
  }

  .chip-tonal.chip-success {
    background-color: var(--color-success-container);
    color: var(--color-on-success-container);
  }

  .chip-tonal.chip-warning {
    background-color: var(--color-warning-container);
    color: var(--color-on-warning-container);
  }

  .chip-tonal.chip-error {
    background-color: var(--color-error-container);
    color: var(--color-on-error-container);
  }

  /* Ghost Variant */
  .chip-ghost {
    background-color: transparent;
    border-color: transparent;
  }

  .chip-ghost:hover {
    background-color: var(--color-surface-container);
  }

  /* Ghost + color sub-variants: transparent bg/border, colored text.
     Hover uses container color (matches .chip-outlined.chip-*:hover pattern). */
  .chip-ghost.chip-primary   { background-color: transparent; color: var(--color-primary); }
  .chip-ghost.chip-secondary { background-color: transparent; color: var(--color-secondary); }
  .chip-ghost.chip-tertiary  { background-color: transparent; color: var(--color-tertiary); }
  .chip-ghost.chip-info      { background-color: transparent; color: var(--color-info); }
  .chip-ghost.chip-success   { background-color: transparent; color: var(--color-success); }
  .chip-ghost.chip-warning   { background-color: transparent; color: var(--color-warning); }
  .chip-ghost.chip-error     { background-color: transparent; color: var(--color-error); }
  .chip-ghost.chip-accent    { background-color: transparent; color: var(--color-accent); }
  .chip-ghost.chip-neutral   { background-color: transparent; color: var(--color-neutral); }
  .chip-ghost.chip-base      { background-color: transparent; color: var(--color-base-content); }

  .chip-ghost.chip-primary:hover   { background-color: var(--color-primary-container); }
  .chip-ghost.chip-secondary:hover { background-color: var(--color-secondary-container); }
  .chip-ghost.chip-tertiary:hover  { background-color: var(--color-tertiary-container); }
  .chip-ghost.chip-info:hover      { background-color: var(--color-info-container); }
  .chip-ghost.chip-success:hover   { background-color: var(--color-success-container); }
  .chip-ghost.chip-warning:hover   { background-color: var(--color-warning-container); }
  .chip-ghost.chip-error:hover     { background-color: var(--color-error-container); }
  .chip-ghost.chip-accent:hover    { background-color: color-mix(in oklch, var(--color-accent) 15%, var(--color-surface)); }
  .chip-ghost.chip-neutral:hover   { background-color: color-mix(in oklch, var(--color-neutral) 15%, var(--color-surface)); }
  .chip-ghost.chip-base:hover      { background-color: var(--color-base-200); }

  /* Size Variants */
  .chip-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    line-height: 1rem;
    gap: 0.25rem;
  }

  .chip-lg {
    padding: 0.5rem 1rem;
    font-size: 1rem;
    line-height: 1.5rem;
    gap: 0.5rem;
  }

  /* Chip Parts */
  .chip-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.125rem;
    height: 1.125rem;
    font-size: 1rem;
  }

  .chip-label {
    display: inline-flex;
  }

  .chip-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.125rem;
    height: 1.125rem;
    margin-left: 0.125rem;
    font-size: 1rem;
    color: currentColor;
    opacity: 0.7;
    background-color: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: opacity 150ms ease-in-out;
  }

  .chip-close:hover {
    opacity: 1;
  }

  /* Selected State */
  .chip-selected {
    background-color: var(--color-primary);
    color: var(--color-primary-content);
    border-color: var(--color-primary);
  }

  .chip-selected.chip-outlined {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-primary-content);
  }

  /* Disabled State */
  .chip:disabled,
  .chip-disabled {
    opacity: 0.5;
    pointer-events: none;
    cursor: not-allowed;
  }

  /* Chip Group */
  .chip-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .chip,
    .chip-delete {
      transition: none;
    }
  }
}

/**
 * List Component Styles
 * DuskMoonUI - Material Design 3 inspired list system
 */

@layer components {
  /* Base List */
  .list {
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0.5rem 0;
    list-style: none;
  }

  /* List Item */
  .list-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    color: var(--color-on-surface);
    text-decoration: none;
    transition: background-color 150ms ease-in-out;
  }

  /* Interactive List Item */
  a.list-item,
  button.list-item,
  .list-item-clickable {
    cursor: pointer;
  }

  a.list-item:hover,
  button.list-item:hover,
  .list-item-clickable:hover,
  .list-hoverable .list-item:hover {
    background-color: var(--color-surface-container);
  }

  .list-item:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
    background-color: var(--color-surface-container);
  }

  /* List Item Parts */
  .list-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    font-size: 1.25rem;
    color: var(--color-on-surface-variant);
    flex-shrink: 0;
  }

  .list-item-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
  }

  .list-item-title {
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5rem;
    color: var(--color-on-surface);
  }

  .list-item-subtitle {
    font-size: 0.875rem;
    line-height: 1.25rem;
    color: var(--color-on-surface-variant);
  }

  .list-item-action {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
    color: var(--color-on-surface-variant);
  }

  /* List Variants */
  .list-bordered {
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-sm);
    padding: 0;
  }

  .list-bordered .list-item {
    border-bottom: 1px solid var(--color-outline);
  }

  .list-bordered .list-item:last-child {
    border-bottom: none;
  }

  /* Compact List */
  .list-compact .list-item {
    padding: 0.5rem 1rem;
  }

  .list-compact .list-item-title {
    font-size: 0.875rem;
  }

  .list-compact .list-item-subtitle {
    font-size: 0.75rem;
  }

  /* List Divider */
  .list-divider {
    height: 1px;
    margin: 0.5rem 0;
    background-color: var(--color-outline-variant);
  }

  .list-divider-inset {
    margin-left: 3.5rem;
  }

  /* List Subheader */
  .list-subheader {
    padding: 0.75rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-on-surface-variant);
  }

  /* Active/Selected State */
  .list-item-active,
  .list-item.active {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  .list-item-active .list-item-icon,
  .list-item.active .list-item-icon {
    color: var(--color-on-primary-container);
  }

  /* Disabled State */
  .list-item:disabled,
  .list-item-disabled {
    opacity: 0.5;
    pointer-events: none;
    cursor: not-allowed;
  }

  /* Dense List */
  .list-dense .list-item {
    padding: 0.375rem 1rem;
  }

  .list-dense .list-item-icon {
    width: 1.25rem;
    height: 1.25rem;
    font-size: 1rem;
  }

  /* Two-Line List */
  .list-two-line .list-item {
    padding: 0.5rem 1rem;
  }

  /* Three-Line List */
  .list-three-line .list-item {
    align-items: flex-start;
    padding: 0.75rem 1rem;
  }

  .list-three-line .list-item-content {
    gap: 0.25rem;
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .list-item {
      transition: none;
    }
  }
}

/**
 * Table Component Styles
 * DuskMoonUI - Material Design 3 inspired table system
 */

@layer components {
  /* Base Table */
  .table {
    width: 100%;
    border-collapse: collapse;
    border-spacing: 0;
    font-size: 0.875rem;
    color: var(--color-on-surface);
  }

  /* Table Head */
  .table thead,
  .table-header {
    background-color: var(--color-surface-container);
  }

  .table th,
  .table-header-cell {
    padding: 0.75rem 1rem;
    font-weight: 600;
    text-align: left;
    color: var(--color-on-surface);
    border-bottom: 2px solid var(--color-outline);
  }

  /* Table Body */
  .table tbody,
  .table-body {
    background-color: var(--color-surface);
  }

  .table td,
  .table-cell {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-outline-variant);
    vertical-align: middle;
  }

  .table tr:last-child td,
  .table-row:last-child .table-cell {
    border-bottom: none;
  }

  /* Table Footer */
  .table tfoot,
  .table-footer {
    background-color: var(--color-surface-container);
    font-weight: 500;
  }

  .table tfoot td {
    border-top: 2px solid var(--color-outline);
    border-bottom: none;
  }

  /* Zebra Striping */
  .table-zebra tbody tr:nth-child(even),
  .table-zebra .table-row:nth-child(even) {
    background-color: var(--color-surface-container-low);
  }

  /* Hover Effect */
  .table-hover tbody tr:hover,
  .table-hover .table-row:hover {
    background-color: var(--color-surface-container);
  }

  /* Bordered Table */
  .table-bordered {
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-sm);
    overflow: hidden;
  }

  .table-bordered th,
  .table-bordered td {
    border: 1px solid var(--color-outline-variant);
  }

  /* Compact Table */
  .table-compact th,
  .table-compact td {
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
  }

  /* Comfortable Table */
  .table-comfortable th,
  .table-comfortable td {
    padding: 1rem 1.25rem;
  }

  /* Fixed Layout */
  .table-fixed {
    table-layout: fixed;
  }

  /* Sortable Header */
  .table-sortable th {
    cursor: pointer;
    user-select: none;
  }

  .table-sortable th:hover {
    background-color: var(--color-surface-container-high);
  }

  .table-sort-asc::after {
    content: ' ↑';
    opacity: 0.7;
  }

  .table-sort-desc::after {
    content: ' ↓';
    opacity: 0.7;
  }

  /* Selected Row */
  .table-row-selected,
  .table tr.selected {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  /* Clickable Row */
  .table-row-clickable,
  .table tbody tr[data-href] {
    cursor: pointer;
  }

  /* Responsive Table */
  .table-responsive {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .table-responsive .table {
    min-width: 100%;
  }

  /* Table Caption */
  .table caption,
  .table-caption {
    padding: 0.75rem;
    font-size: 0.875rem;
    color: var(--color-on-surface-variant);
    text-align: left;
    caption-side: bottom;
  }

  /* Empty State */
  .table-empty {
    text-align: center;
    padding: 2rem;
    color: var(--color-on-surface-variant);
  }

  /* Loading State */
  .table-loading {
    position: relative;
  }

  .table-loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background-color: var(--color-surface);
    opacity: 0.7;
  }

  /* Pinned Columns */
  .table-pin-left {
    position: sticky;
    left: 0;
    background-color: inherit;
    z-index: 1;
  }

  .table-pin-right {
    position: sticky;
    right: 0;
    background-color: inherit;
    z-index: 1;
  }

  /* Focus State for Interactive Tables */
  .table tr:focus-visible,
  .table-row:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }
}


/* ============================================
 * DATA ENTRY COMPONENTS
 * ============================================ */

/**
 * Autocomplete Component Styles
 * DuskMoonUI - Material Design 3 inspired autocomplete system
 */

@layer components {
  /* Autocomplete Container */
  .autocomplete {
    position: relative;
    display: inline-block;
    width: 100%;
  }

  /* Autocomplete Input */
  .autocomplete-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--color-on-surface);
    background-color: var(--color-surface);
    border: 1px solid currentColor;
    border-radius: var(--radius-sm);
    transition: border-color 150ms ease-in-out, box-shadow 150ms ease-in-out;
  }

  .autocomplete-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .autocomplete-input:disabled {
    background-color: var(--color-surface-container);
    color: var(--color-on-surface-variant);
    cursor: not-allowed;
    opacity: 0.6;
  }

  /* Autocomplete Dropdown */
  .autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 1000;
    max-height: 15rem;
    margin-top: 0.25rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition: opacity 150ms ease-out, visibility 150ms ease-out, transform 150ms ease-out;
  }

  .autocomplete.autocomplete-open .autocomplete-dropdown,
  .autocomplete-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  /* Autocomplete Options */
  .autocomplete-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    color: var(--color-on-surface);
    cursor: pointer;
    transition: background-color 150ms ease-in-out;
  }

  .autocomplete-option:hover,
  .autocomplete-option:focus,
  .autocomplete-option.highlighted {
    background-color: var(--color-surface-container);
  }

  .autocomplete-option.selected {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  .autocomplete-option:disabled,
  .autocomplete-option.disabled {
    color: var(--color-on-surface-variant);
    cursor: not-allowed;
    opacity: 0.6;
  }

  /* Option Icon */
  .autocomplete-option-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
  }

  /* Option Content */
  .autocomplete-option-content {
    flex: 1;
    min-width: 0;
  }

  .autocomplete-option-label {
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .autocomplete-option-description {
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  /* Highlight Match */
  .autocomplete-highlight {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
    font-weight: 600;
    border-radius: var(--radius-xs);
  }

  /* Group Header */
  .autocomplete-group-header {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-on-surface-variant);
    background-color: var(--color-surface-container);
    border-bottom: 1px solid var(--color-outline-variant);
  }

  /* No Results */
  .autocomplete-no-results {
    padding: 1rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-on-surface-variant);
  }

  /* Loading State */
  .autocomplete-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem;
    color: var(--color-on-surface-variant);
  }

  /* Clear Button */
  .autocomplete-clear {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    color: var(--color-on-surface-variant);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out;
  }

  .autocomplete-clear:hover {
    background-color: var(--color-surface-container);
    color: var(--color-on-surface);
  }

  /* With Clear Button */
  .autocomplete-clearable .autocomplete-input {
    padding-right: 2.5rem;
  }

  /* Multi-select Tags */
  .autocomplete-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    padding: 0.375rem;
    padding-right: 2.5rem;
    min-height: 2.75rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-sm);
  }

  .autocomplete-tags:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-container);
  }

  .autocomplete-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
    border-radius: var(--radius-xs);
  }

  .autocomplete-tag-remove {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1rem;
    height: 1rem;
    font-size: 0.75rem;
    background-color: transparent;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-full);
    transition: background-color 150ms ease-in-out;
  }

  .autocomplete-tag-remove:hover {
    background-color: var(--color-on-primary-container);
    color: var(--color-primary-container);
  }

  .autocomplete-tags-input {
    flex: 1;
    min-width: 5rem;
    padding: 0.25rem;
    font-size: 0.875rem;
    background-color: transparent;
    border: none;
    outline: none;
  }

  /* Color Variants */
  .autocomplete-primary .autocomplete-input {
    color: var(--color-primary);
  }
  .autocomplete-primary .autocomplete-input:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-primary) 10%, transparent);
  }

  .autocomplete-secondary .autocomplete-input {
    color: var(--color-secondary);
  }
  .autocomplete-secondary .autocomplete-input:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-secondary) 10%, transparent);
  }

  .autocomplete-tertiary .autocomplete-input {
    color: var(--color-tertiary);
  }
  .autocomplete-tertiary .autocomplete-input:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-tertiary) 10%, transparent);
  }

  .autocomplete-info .autocomplete-input {
    color: var(--color-info);
  }
  .autocomplete-info .autocomplete-input:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-info) 10%, transparent);
  }

  .autocomplete-success .autocomplete-input {
    color: var(--color-success);
  }
  .autocomplete-success .autocomplete-input:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-success) 10%, transparent);
  }

  .autocomplete-warning .autocomplete-input {
    color: var(--color-warning);
  }
  .autocomplete-warning .autocomplete-input:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-warning) 10%, transparent);
  }

  .autocomplete-error .autocomplete-input {
    color: var(--color-error);
  }
  .autocomplete-error .autocomplete-input:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-error) 10%, transparent);
  }

  .autocomplete-accent .autocomplete-input {
    color: var(--color-accent);
  }
  .autocomplete-accent .autocomplete-input:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-accent) 10%, transparent);
  }

  .autocomplete-neutral .autocomplete-input {
    color: var(--color-neutral);
  }
  .autocomplete-neutral .autocomplete-input:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-neutral) 10%, transparent);
  }

  .autocomplete-base .autocomplete-input {
    color: var(--color-base-content);
  }
  .autocomplete-base .autocomplete-input:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-base-content) 10%, transparent);
  }

  /* Ghost Variant */
  .autocomplete-ghost .autocomplete-input {
    background-color: transparent;
    border-color: transparent;
  }
  .autocomplete-ghost .autocomplete-input:focus {
    background-color: var(--color-surface-container);
    border-color: transparent;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Size Variants */
  .autocomplete-sm .autocomplete-input {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
  }

  .autocomplete-lg .autocomplete-input {
    padding: 1rem 1.25rem;
    font-size: 1rem;
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .autocomplete-dropdown {
      transition: none;
    }
  }
}

/**
 * Cascader Component Styles
 * DuskMoonUI - Multi-level dropdown selection with horizontal panels
 */

@layer components {
  /* Base Cascader */
  .cascader {
    position: relative;
    display: inline-flex;
    flex-direction: column;
    width: 100%;
  }

  /* Cascader Trigger */
  .cascader-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5rem;
    color: var(--color-on-surface);
    background-color: var(--color-surface);
    border: 1px solid currentColor;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color 150ms ease-in-out, box-shadow 150ms ease-in-out;
  }

  .cascader-trigger:hover:not(:disabled) {
    background-color: var(--color-surface-container);
  }

  .cascader-trigger:focus {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .cascader-trigger:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    background-color: var(--color-surface-container);
  }

  /* Value Display */
  .cascader-value {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--color-on-surface);
  }

  /* Placeholder */
  .cascader-placeholder {
    color: var(--color-on-surface-variant);
  }

  /* Path Display (breadcrumb-style) */
  .cascader-path {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .cascader-path-separator {
    color: var(--color-on-surface-variant);
    font-size: 0.875rem;
  }

  /* Dropdown Arrow */
  .cascader-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-on-surface-variant);
    flex-shrink: 0;
    transition: transform 150ms ease-in-out;
  }

  .cascader-open .cascader-arrow {
    transform: rotate(180deg);
  }

  /* Clear Button */
  .cascader-clear {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    padding: 0;
    color: var(--color-on-surface-variant);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    flex-shrink: 0;
    transition: background-color 150ms ease-in-out;
  }

  .cascader-clear:hover {
    background-color: var(--color-surface-container-high);
  }

  /* Cascader Dropdown */
  .cascader-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 50;
    display: none;
    margin-top: 0.25rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    overflow: hidden;
  }

  .cascader-open .cascader-dropdown {
    display: flex;
  }

  /* Popover API Support */
  .cascader-dropdown[popover] {
    inset: unset;
    margin: 0;
    border: 1px solid var(--color-outline-variant);
  }

  .cascader-dropdown[popover]:popover-open {
    display: flex;
  }

  /* CSS Anchor Positioning for modern browsers */
  @supports (anchor-name: --anchor) {
    .cascader-trigger {
      anchor-name: --cascader-anchor;
    }

    .cascader-dropdown[popover] {
      position-anchor: --cascader-anchor;
      top: anchor(bottom);
      left: anchor(left);
      margin-top: 0.25rem;
      position-try-fallbacks: flip-block;
    }
  }

  /* Fallback for browsers without anchor positioning */
  @supports not (anchor-name: --anchor) {
    .cascader {
      position: relative;
    }

    .cascader-dropdown[popover]:popover-open {
      position: absolute;
      top: 100%;
      left: 0;
      margin-top: 0.25rem;
    }
  }

  /* Panels Container (horizontal layout) */
  .cascader-panels {
    display: flex;
    max-height: 16rem;
  }

  /* Individual Panel */
  .cascader-panel {
    display: flex;
    flex-direction: column;
    min-width: 10rem;
    max-width: 14rem;
    overflow-y: auto;
    border-right: 1px solid var(--color-outline-variant);
  }

  .cascader-panel:last-child {
    border-right: none;
  }

  /* Panel Header (optional) */
  .cascader-panel-header {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background-color: var(--color-surface-container);
    border-bottom: 1px solid var(--color-outline-variant);
  }

  /* Panel Options */
  .cascader-options {
    display: flex;
    flex-direction: column;
    padding: 0.25rem;
    flex: 1;
    overflow-y: auto;
  }

  /* Cascader Option */
  .cascader-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    color: var(--color-on-surface);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-xs);
    cursor: pointer;
    text-align: left;
    width: 100%;
    transition: background-color 150ms ease-in-out;
  }

  .cascader-option:hover {
    background-color: var(--color-surface-container);
  }

  .cascader-option-active {
    background-color: var(--color-surface-container-high);
  }

  .cascader-option-selected {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  .cascader-option-selected:hover {
    background-color: color-mix(in oklch, var(--color-primary-container), black 5%);
  }

  .cascader-option-disabled {
    opacity: 0.5;
    cursor: not-allowed;
  }

  .cascader-option-disabled:hover {
    background-color: transparent;
  }

  /* Option Label */
  .cascader-option-label {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  /* Option Arrow (indicates has children) */
  .cascader-option-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1rem;
    height: 1rem;
    color: var(--color-on-surface-variant);
    flex-shrink: 0;
  }

  .cascader-option-selected .cascader-option-arrow {
    color: var(--color-on-primary-container);
  }

  /* Search Input */
  .cascader-search {
    display: flex;
    padding: 0.5rem;
    border-bottom: 1px solid var(--color-outline-variant);
  }

  .cascader-search-input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    color: var(--color-on-surface);
    background-color: var(--color-surface-container);
    border: none;
    border-radius: var(--radius-xs);
    outline: none;
  }

  .cascader-search-input:focus {
    background-color: var(--color-surface-container-high);
  }

  .cascader-search-input::placeholder {
    color: var(--color-on-surface-variant);
  }

  /* Empty State */
  .cascader-empty {
    padding: 1.5rem;
    text-align: center;
    color: var(--color-on-surface-variant);
    font-size: 0.875rem;
  }

  /* Size Variants */
  .cascader-sm .cascader-trigger {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    border-radius: var(--radius-xs);
  }

  .cascader-sm .cascader-panel {
    min-width: 8rem;
    max-width: 12rem;
  }

  .cascader-sm .cascader-option {
    padding: 0.375rem 0.5rem;
    font-size: 0.8125rem;
  }

  .cascader-lg .cascader-trigger {
    padding: 1rem 1.25rem;
    font-size: 1.125rem;
    border-radius: var(--radius-sm);
  }

  .cascader-lg .cascader-panel {
    min-width: 12rem;
    max-width: 16rem;
  }

  .cascader-lg .cascader-option {
    padding: 0.625rem 1rem;
    font-size: 1rem;
  }

  /* Outlined Variant (Default) */
  .cascader-outlined .cascader-trigger {
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline);
  }

  /* Filled Variant */
  .cascader-filled .cascader-trigger {
    background-color: var(--color-surface-container);
    border: none;
    border-bottom: 2px solid var(--color-outline);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  }

  .cascader-filled .cascader-trigger:focus {
    border-bottom-color: currentColor;
    box-shadow: none;
  }

  /* Color Variants */
  .cascader-primary .cascader-trigger {
    color: var(--color-primary);
  }
  .cascader-primary .cascader-trigger:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-primary) 10%, transparent);
  }

  .cascader-secondary .cascader-trigger {
    color: var(--color-secondary);
  }
  .cascader-secondary .cascader-trigger:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-secondary) 10%, transparent);
  }

  .cascader-tertiary .cascader-trigger {
    color: var(--color-tertiary);
  }
  .cascader-tertiary .cascader-trigger:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-tertiary) 10%, transparent);
  }

  .cascader-info .cascader-trigger {
    color: var(--color-info);
  }
  .cascader-info .cascader-trigger:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-info) 10%, transparent);
  }

  .cascader-success .cascader-trigger {
    color: var(--color-success);
  }
  .cascader-success .cascader-trigger:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-success) 10%, transparent);
  }

  .cascader-warning .cascader-trigger {
    color: var(--color-warning);
  }
  .cascader-warning .cascader-trigger:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-warning) 10%, transparent);
  }

  .cascader-error .cascader-trigger {
    color: var(--color-error);
  }
  .cascader-error .cascader-trigger:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-error) 10%, transparent);
  }

  .cascader-accent .cascader-trigger {
    color: var(--color-accent);
  }
  .cascader-accent .cascader-trigger:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-accent) 10%, transparent);
  }

  .cascader-neutral .cascader-trigger {
    color: var(--color-neutral);
  }
  .cascader-neutral .cascader-trigger:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-neutral) 10%, transparent);
  }

  .cascader-base .cascader-trigger {
    color: var(--color-base-content);
  }
  .cascader-base .cascader-trigger:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-base-content) 10%, transparent);
  }

  /* Ghost Variant */
  .cascader-ghost .cascader-trigger {
    background-color: transparent;
    border-color: transparent;
  }
  .cascader-ghost .cascader-trigger:focus {
    background-color: var(--color-surface-container);
    border-color: transparent;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Disabled State */
  .cascader-disabled .cascader-trigger {
    cursor: not-allowed;
    opacity: 0.5;
    background-color: var(--color-surface-container);
  }

  /* Loading State */
  .cascader-loading .cascader-trigger {
    cursor: wait;
  }

  .cascader-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--color-outline);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: cascader-spin 0.8s linear infinite;
  }

  @keyframes cascader-spin {
    to { transform: rotate(360deg); }
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .cascader-trigger,
    .cascader-arrow,
    .cascader-option,
    .cascader-clear {
      transition: none;
    }
    .cascader-spinner {
      animation: none;
    }
  }
}

/**
 * Checkbox Component Styles
 * DuskMoonUI - Material Design 3 inspired checkbox
 *
 * Usage: <input type="checkbox" class="checkbox" />
 * With label: <label class="label cursor-pointer gap-2"><input type="checkbox" class="checkbox" /><span>Label</span></label>
 */

@layer components {
  /* Base Checkbox - applied directly to input[type="checkbox"] */
  .checkbox {
    --checkbox-size: 1.25rem;
    --checkbox-color: var(--color-primary);
    --checkbox-border-color: var(--color-on-surface-variant);
    color: var(--color-on-surface);

    position: relative;
    display: inline-grid;
    place-content: center;
    width: var(--checkbox-size);
    height: var(--checkbox-size);
    margin: 0;
    cursor: pointer;
    appearance: none;
    background-color: transparent;
    border: 2px solid var(--checkbox-border-color);
    border-radius: var(--radius-xs);
    transition: background-color 150ms ease-in-out, border-color 150ms ease-in-out;
  }

  /* Checkmark using ::before pseudo-element */
  .checkbox::before {
    content: "";
    width: 0.65em;
    height: 0.35em;
    transform: scale(0) rotate(-45deg);
    transform-origin: center;
    border-bottom: 2px solid var(--color-primary-content);
    border-left: 2px solid var(--color-primary-content);
    transition: transform 150ms ease-in-out;
  }

  /* Checked State */
  .checkbox:checked {
    background-color: var(--checkbox-color);
    border-color: var(--checkbox-color);
  }

  .checkbox:checked::before {
    transform: scale(1) rotate(-45deg);
  }

  /* Indeterminate State */
  .checkbox:indeterminate {
    background-color: var(--checkbox-color);
    border-color: var(--checkbox-color);
  }

  .checkbox:indeterminate::before {
    width: 0.5em;
    height: 0;
    border-bottom: 2px solid var(--color-primary-content);
    border-left: 0;
    transform: scale(1) rotate(0deg);
  }

  /* Hover State */
  .checkbox:hover:not(:disabled):not(:checked) {
    border-color: var(--color-on-surface);
  }

  .checkbox:checked:hover:not(:disabled),
  .checkbox:indeterminate:hover:not(:disabled) {
    background-color: color-mix(in oklch, var(--checkbox-color), black 10%);
    border-color: color-mix(in oklch, var(--checkbox-color), black 10%);
  }

  /* Focus State */
  .checkbox:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--checkbox-color) 20%, transparent);
  }

  /* Disabled State */
  .checkbox:disabled {
    cursor: not-allowed;
    opacity: 0.38;
  }

  /* ========================================
   * Size Variants
   * ======================================== */

  .checkbox-xs {
    --checkbox-size: 0.875rem;
  }

  .checkbox-sm {
    --checkbox-size: 1rem;
  }

  .checkbox-md {
    --checkbox-size: 1.25rem;
  }

  .checkbox-lg {
    --checkbox-size: 1.5rem;
  }

  .checkbox-xl {
    --checkbox-size: 1.75rem;
  }

  /* ========================================
   * Color Variants
   * ======================================== */

  .checkbox-primary {
    --checkbox-color: var(--color-primary);
  }

  .checkbox-primary:checked::before,
  .checkbox-primary:indeterminate::before {
    border-color: var(--color-primary-content);
  }

  .checkbox-secondary {
    --checkbox-color: var(--color-secondary);
  }

  .checkbox-secondary:checked::before,
  .checkbox-secondary:indeterminate::before {
    border-color: var(--color-secondary-content);
  }

  .checkbox-tertiary {
    --checkbox-color: var(--color-tertiary);
  }

  .checkbox-tertiary:checked::before,
  .checkbox-tertiary:indeterminate::before {
    border-color: var(--color-tertiary-content);
  }

  .checkbox-success {
    --checkbox-color: var(--color-success);
  }

  .checkbox-success:checked::before,
  .checkbox-success:indeterminate::before {
    border-color: var(--color-success-content);
  }

  .checkbox-warning {
    --checkbox-color: var(--color-warning);
  }

  .checkbox-warning:checked::before,
  .checkbox-warning:indeterminate::before {
    border-color: var(--color-warning-content);
  }

  .checkbox-error {
    --checkbox-color: var(--color-error);
  }

  .checkbox-error:checked::before,
  .checkbox-error:indeterminate::before {
    border-color: var(--color-error-content);
  }

  .checkbox-info {
    --checkbox-color: var(--color-info);
  }

  .checkbox-info:checked::before,
  .checkbox-info:indeterminate::before {
    border-color: var(--color-info-content);
  }

  .checkbox-accent {
    --checkbox-color: var(--color-accent);
  }

  .checkbox-accent:checked::before,
  .checkbox-accent:indeterminate::before {
    border-color: var(--color-accent-content);
  }

  .checkbox-neutral {
    --checkbox-color: var(--color-neutral);
  }

  .checkbox-neutral:checked::before,
  .checkbox-neutral:indeterminate::before {
    border-color: var(--color-neutral-content);
  }

  .checkbox-base {
    --checkbox-color: var(--color-base-100);
  }

  .checkbox-base:checked::before,
  .checkbox-base:indeterminate::before {
    border-color: var(--color-base-content);
  }

  /* Ghost Variant — borderless unchecked state */
  .checkbox-ghost {
    --checkbox-border-color: transparent;
  }

  .checkbox-ghost:hover:not(:disabled):not(:checked) {
    border-color: transparent;
  }

  /* ========================================
   * Checkbox with Label (wrapper pattern)
   * ======================================== */

  .checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
    font-size: 0.875rem;
    color: var(--color-on-surface);
  }

  .checkbox-label:has(.checkbox:disabled) {
    cursor: not-allowed;
    opacity: 0.38;
  }

  /* ========================================
   * Checkbox Group
   * ======================================== */

  .checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }

  .checkbox-group-horizontal {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.5rem;
  }

  .checkbox-group-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-on-surface);
    margin-bottom: 0.5rem;
  }

  /* ========================================
   * Reduce Motion
   * ======================================== */

  @media (prefers-reduced-motion: reduce) {
    .checkbox,
    .checkbox::before {
      transition: none;
    }
  }
}

/**
 * Datepicker Component Styles
 * DuskMoonUI - Material Design 3 inspired datepicker system
 */

@layer components {
  /* Datepicker Container */
  .datepicker {
    position: relative;
    display: inline-block;
    width: 100%;
  }

  /* Datepicker Input */
  .datepicker-input {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--color-on-surface);
    background-color: var(--color-surface);
    border: 1px solid currentColor;
    border-radius: var(--radius-sm);
    transition: border-color 150ms ease-in-out, box-shadow 150ms ease-in-out;
  }

  /* Hide native date picker controls when using custom trigger */
  .datepicker-input-container .datepicker-input[type="date"]::-webkit-calendar-picker-indicator {
    display: none;
    -webkit-appearance: none;
  }

  .datepicker-input-container .datepicker-input[type="date"]::-webkit-inner-spin-button,
  .datepicker-input-container .datepicker-input[type="date"]::-webkit-clear-button {
    display: none;
    -webkit-appearance: none;
  }

  .datepicker-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .datepicker-input:disabled {
    background-color: var(--color-surface-container);
    color: var(--color-on-surface-variant);
    cursor: not-allowed;
    opacity: 0.6;
  }

  /* Calendar Icon */
  .datepicker-icon {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-on-surface-variant);
    pointer-events: none;
  }

  /* Datepicker Input Container */
  .datepicker-input-container {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
  }

  .datepicker-input-container .datepicker-input {
    padding-right: 2.5rem;
  }

  /* Datepicker Trigger (icon button for Popover API) */
  .datepicker-trigger {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    color: var(--color-on-surface-variant);
    transition: background-color 150ms ease-in-out;
  }

  .datepicker-trigger:hover {
    background-color: var(--color-surface-container);
  }

  .datepicker-trigger .datepicker-icon {
    position: static;
    transform: none;
  }

  /* Datepicker Dropdown - Non-popover (JS-controlled) */
  .datepicker-dropdown:not([popover]) {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1000;
    margin-top: 0.25rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition: opacity 150ms ease-out, visibility 150ms ease-out, transform 150ms ease-out;
  }

  .datepicker.datepicker-open .datepicker-dropdown:not([popover]),
  .datepicker-dropdown:not([popover]).show,
  .datepicker-dropdown-open:not([popover]) {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  /* Popover API Support - Browser handles visibility, JS handles positioning */
  .datepicker-dropdown[popover] {
    /* Reset browser defaults - positioning handled by JavaScript */
    inset: unset;
    margin: 0;
    padding: 0;
    /* Styling */
    min-width: 18rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
  }

  /* Calendar Header */
  .datepicker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    border-bottom: 1px solid var(--color-outline-variant);
  }

  .datepicker-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-on-surface);
  }

  .datepicker-nav {
    display: flex;
    gap: 0.25rem;
  }

  .datepicker-nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    color: var(--color-on-surface-variant);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out;
  }

  .datepicker-nav-btn:hover {
    background-color: var(--color-surface-container);
    color: var(--color-on-surface);
  }

  .datepicker-nav-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
  }

  /* Calendar Body */
  .datepicker-calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.125rem;
    padding: 0.5rem;
  }

  /* Weekday Headers */
  .datepicker-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.125rem;
    margin-bottom: 0.25rem;
  }

  .datepicker-weekday {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-on-surface-variant);
  }

  /* Days Grid */
  .datepicker-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.125rem;
  }

  .datepicker-day {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
    font-size: 0.875rem;
    color: var(--color-on-surface);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out;
  }

  .datepicker-day:hover:not(:disabled):not(.datepicker-day-selected) {
    background-color: var(--color-surface-container);
  }

  .datepicker-day:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .datepicker-day-other-month {
    color: var(--color-on-surface-variant);
    opacity: 0.5;
  }

  .datepicker-day-today {
    border: 1px solid var(--color-primary);
  }

  .datepicker-day-selected {
    background-color: var(--color-primary);
    color: var(--color-primary-content);
  }

  .datepicker-day-selected:hover {
    background-color: var(--color-primary);
    opacity: 0.9;
  }

  .datepicker-day:disabled {
    color: var(--color-on-surface-variant);
    opacity: 0.4;
    cursor: not-allowed;
  }

  /* Range Selection */
  .datepicker-day-in-range {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
    border-radius: 0;
  }

  .datepicker-day-range-start {
    background-color: var(--color-primary);
    color: var(--color-primary-content);
    border-radius: var(--radius-full) 0 0 var(--radius-full);
  }

  .datepicker-day-range-end {
    background-color: var(--color-primary);
    color: var(--color-primary-content);
    border-radius: 0 var(--radius-full) var(--radius-full) 0;
  }

  /* Month/Year View */
  .datepicker-months,
  .datepicker-years {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    padding: 0.5rem;
    min-width: 16rem;
  }

  .datepicker-month,
  .datepicker-year {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    color: var(--color-on-surface);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color 150ms ease-in-out;
  }

  .datepicker-month:hover,
  .datepicker-year:hover {
    background-color: var(--color-surface-container);
  }

  .datepicker-month.selected,
  .datepicker-month-selected,
  .datepicker-year.selected,
  .datepicker-year-selected {
    background-color: var(--color-primary);
    color: var(--color-primary-content);
  }

  .datepicker-day-disabled {
    color: var(--color-on-surface-variant);
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
  }

  /* Footer Actions */
  .datepicker-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 0.75rem;
    border-top: 1px solid var(--color-outline-variant);
  }

  /* Time Picker */
  .datepicker-time {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: 0.75rem;
    border-top: 1px solid var(--color-outline-variant);
  }

  .datepicker-time-input {
    width: 3rem;
    padding: 0.5rem;
    font-size: 1rem;
    text-align: center;
    color: var(--color-on-surface);
    background-color: var(--color-surface-container);
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-xs);
  }

  .datepicker-time-input:focus {
    outline: none;
    border-color: var(--color-primary);
  }

  .datepicker-time-separator {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-on-surface);
  }

  .datepicker-time-period {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    margin-left: 0.5rem;
  }

  .datepicker-time-period-btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.625rem;
    font-weight: 500;
    color: var(--color-on-surface-variant);
    background-color: transparent;
    border: 1px solid var(--color-outline);
    cursor: pointer;
    transition: background-color 150ms ease-in-out;
  }

  .datepicker-time-period-btn:first-child {
    border-radius: var(--radius-xs) var(--radius-xs) 0 0;
  }

  .datepicker-time-period-btn:last-child {
    border-radius: 0 0 var(--radius-xs) var(--radius-xs);
    border-top: none;
  }

  .datepicker-time-period-btn.active {
    background-color: var(--color-primary);
    color: var(--color-primary-content);
    border-color: var(--color-primary);
  }

  /* Size Variants */
  .datepicker-sm .datepicker-input {
    padding: 0.5rem 2rem 0.5rem 0.75rem;
    font-size: 0.75rem;
  }

  .datepicker-lg .datepicker-input {
    padding: 1rem 3rem 1rem 1.25rem;
    font-size: 1rem;
  }

  /* ========================================
   * Date Range Picker Variants
   * ======================================== */

  /* Range Input Container */
  .datepicker-range {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .datepicker-range-separator {
    color: var(--color-on-surface-variant);
    font-size: 0.875rem;
  }

  .datepicker-range-input {
    flex: 1;
  }

  /* Dual Calendar View */
  .datepicker-dual-calendar {
    display: flex;
    gap: 1rem;
    padding: 0.5rem;
  }

  .datepicker-dual-calendar .datepicker-calendar {
    flex: 1;
  }

  /* Range Presets */
  .datepicker-presets {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.5rem;
    border-right: 1px solid var(--color-outline-variant);
    min-width: 8rem;
  }

  .datepicker-preset {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
    color: var(--color-on-surface);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-xs);
    cursor: pointer;
    text-align: left;
    transition: background-color 150ms ease-in-out;
  }

  .datepicker-preset:hover {
    background-color: var(--color-surface-container);
  }

  .datepicker-preset-active {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  /* Range Display */
  .datepicker-range-display {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background-color: var(--color-surface-container-lowest);
    border-bottom: 1px solid var(--color-outline-variant);
  }

  .datepicker-range-date {
    flex: 1;
    text-align: center;
  }

  .datepicker-range-date-label {
    font-size: 0.625rem;
    font-weight: 500;
    color: var(--color-on-surface-variant);
    text-transform: uppercase;
    margin-bottom: 0.25rem;
  }

  .datepicker-range-date-value {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-on-surface);
  }

  .datepicker-range-arrow {
    color: var(--color-on-surface-variant);
  }

  /* ========================================
   * DateTime Picker Variants
   * ======================================== */

  /* DateTime Container */
  .datetime-picker {
    position: relative;
    display: inline-block;
    width: 100%;
  }

  .datetime-picker-input {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--color-on-surface);
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-sm);
    transition: border-color 150ms ease-in-out, box-shadow 150ms ease-in-out;
  }

  .datetime-picker-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-primary) 10%, transparent);
  }

  /* DateTime Dropdown Layout */
  .datetime-picker-dropdown {
    display: flex;
    flex-direction: column;
  }

  .datetime-picker-body {
    display: flex;
  }

  .datetime-picker-calendar {
    flex: 1;
  }

  .datetime-picker-time-panel {
    display: flex;
    flex-direction: column;
    min-width: 5rem;
    border-left: 1px solid var(--color-outline-variant);
  }

  .datetime-picker-time-header {
    padding: 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-on-surface-variant);
    text-align: center;
    border-bottom: 1px solid var(--color-outline-variant);
  }

  .datetime-picker-time-columns {
    display: flex;
    flex: 1;
    max-height: 16rem;
  }

  .datetime-picker-time-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    border-right: 1px solid var(--color-outline-variant);
  }

  .datetime-picker-time-column:last-child {
    border-right: none;
  }

  .datetime-picker-time-option {
    padding: 0.375rem 0.5rem;
    font-size: 0.75rem;
    text-align: center;
    color: var(--color-on-surface);
    background-color: transparent;
    border: none;
    cursor: pointer;
    transition: background-color 150ms ease-in-out;
  }

  .datetime-picker-time-option:hover {
    background-color: var(--color-surface-container);
  }

  .datetime-picker-time-option-selected {
    background-color: var(--color-primary);
    color: var(--color-primary-content);
  }

  .datetime-picker-time-option:disabled {
    opacity: 0.4;
    cursor: not-allowed;
  }

  /* ========================================
   * DateTime Range Picker
   * ======================================== */

  .datetime-range-picker {
    position: relative;
    display: inline-block;
    width: 100%;
  }

  .datetime-range-picker-inputs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .datetime-range-picker-input {
    flex: 1;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    color: var(--color-on-surface);
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-sm);
    transition: border-color 150ms ease-in-out;
  }

  .datetime-range-picker-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-primary) 10%, transparent);
  }

  .datetime-range-picker-dropdown {
    min-width: 40rem;
  }

  .datetime-range-picker-body {
    display: flex;
  }

  .datetime-range-picker-panel {
    flex: 1;
    border-right: 1px solid var(--color-outline-variant);
  }

  .datetime-range-picker-panel:last-child {
    border-right: none;
  }

  .datetime-range-picker-panel-header {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-on-surface-variant);
    text-align: center;
    background-color: var(--color-surface-container-lowest);
    border-bottom: 1px solid var(--color-outline-variant);
  }

  /* Inline Datepicker (always visible) */
  .datepicker-inline {
    position: static;
  }

  .datepicker-inline .datepicker-dropdown,
  .datepicker-dropdown.datepicker-inline {
    position: static;
    display: block;
    opacity: 1;
    visibility: visible;
    transform: none;
    margin-top: 0;
    box-shadow: none;
  }

  /* Input Color Variants */
  .datepicker-primary .datepicker-input {
    color: var(--color-primary);
  }
  .datepicker-primary .datepicker-input:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-primary) 10%, transparent);
  }

  .datepicker-secondary .datepicker-input {
    color: var(--color-secondary);
  }
  .datepicker-secondary .datepicker-input:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-secondary) 10%, transparent);
  }

  .datepicker-tertiary .datepicker-input {
    color: var(--color-tertiary);
  }
  .datepicker-tertiary .datepicker-input:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-tertiary) 10%, transparent);
  }

  .datepicker-info .datepicker-input {
    color: var(--color-info);
  }
  .datepicker-info .datepicker-input:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-info) 10%, transparent);
  }

  .datepicker-info .datepicker-day-selected,
  .datepicker-info .datepicker-day-range-start,
  .datepicker-info .datepicker-day-range-end {
    background-color: var(--color-info);
    color: var(--color-info-content);
  }

  .datepicker-success .datepicker-input {
    color: var(--color-success);
  }
  .datepicker-success .datepicker-input:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-success) 10%, transparent);
  }

  .datepicker-success .datepicker-day-selected,
  .datepicker-success .datepicker-day-range-start,
  .datepicker-success .datepicker-day-range-end {
    background-color: var(--color-success);
    color: var(--color-success-content);
  }

  .datepicker-warning .datepicker-input {
    color: var(--color-warning);
  }
  .datepicker-warning .datepicker-input:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-warning) 10%, transparent);
  }

  .datepicker-warning .datepicker-day-selected,
  .datepicker-warning .datepicker-day-range-start,
  .datepicker-warning .datepicker-day-range-end {
    background-color: var(--color-warning);
    color: var(--color-warning-content);
  }

  .datepicker-accent .datepicker-input {
    color: var(--color-accent);
  }
  .datepicker-accent .datepicker-input:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-accent) 10%, transparent);
  }

  .datepicker-accent .datepicker-day-selected,
  .datepicker-accent .datepicker-day-range-start,
  .datepicker-accent .datepicker-day-range-end {
    background-color: var(--color-accent);
    color: var(--color-accent-content);
  }

  .datepicker-neutral .datepicker-input {
    color: var(--color-neutral);
  }
  .datepicker-neutral .datepicker-input:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-neutral) 10%, transparent);
  }

  .datepicker-neutral .datepicker-day-selected,
  .datepicker-neutral .datepicker-day-range-start,
  .datepicker-neutral .datepicker-day-range-end {
    background-color: var(--color-neutral);
    color: var(--color-neutral-content);
  }

  .datepicker-base .datepicker-input {
    color: var(--color-base-content);
  }
  .datepicker-base .datepicker-input:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-base-content) 10%, transparent);
  }

  .datepicker-base .datepicker-day-selected,
  .datepicker-base .datepicker-day-range-start,
  .datepicker-base .datepicker-day-range-end {
    background-color: var(--color-base-100);
    color: var(--color-base-content);
  }

  /* Day Selected Color Variants */
  .datepicker-primary .datepicker-day-selected,
  .datepicker-primary .datepicker-day-range-start,
  .datepicker-primary .datepicker-day-range-end {
    background-color: var(--color-primary);
    color: var(--color-primary-content);
  }

  .datepicker-secondary .datepicker-day-selected,
  .datepicker-secondary .datepicker-day-range-start,
  .datepicker-secondary .datepicker-day-range-end {
    background-color: var(--color-secondary);
    color: var(--color-secondary-content);
  }

  .datepicker-tertiary .datepicker-day-selected,
  .datepicker-tertiary .datepicker-day-range-start,
  .datepicker-tertiary .datepicker-day-range-end {
    background-color: var(--color-tertiary);
    color: var(--color-tertiary-content);
  }

  /* Error State */
  .datepicker-error .datepicker-input,
  .datetime-picker-error .datetime-picker-input {
    color: var(--color-error);
  }

  .datepicker-error .datepicker-input:focus,
  .datetime-picker-error .datetime-picker-input:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-error) 10%, transparent);
  }

  /* Ghost Variant */
  .datepicker-ghost .datepicker-input {
    background-color: transparent;
    border-color: transparent;
  }
  .datepicker-ghost .datepicker-input:focus {
    background-color: var(--color-surface-container);
    border-color: transparent;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .datepicker-dropdown,
    .datepicker-nav-btn,
    .datepicker-day,
    .datepicker-month,
    .datepicker-year,
    .datepicker-preset,
    .datetime-picker-time-option {
      transition: none;
    }
  }
}

/**
 * File Upload Component Styles
 * DuskMoonUI - Material Design 3 inspired file upload system
 */

@layer components {
  /* File Upload Container */
  .file-upload {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }

  /* Drop Zone */
  .file-upload-dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    min-height: 10rem;
    padding: 2rem;
    background-color: var(--color-surface);
    border: 2px dashed currentColor;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color 150ms ease-in-out, background-color 150ms ease-in-out;
  }

  .file-upload-dropzone:hover {
    border-color: currentColor;
    background-color: var(--color-surface-container);
  }

  .file-upload-dropzone:focus-within {
    border-color: currentColor;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .file-upload-dropzone.dragging {
    border-color: currentColor;
    background-color: color-mix(in oklch, currentColor 10%, var(--color-surface));
  }

  .file-upload-dropzone.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
  }

  /* Hidden File Input */
  .file-upload-input {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
    overflow: hidden;
  }

  /* Drop Zone Icon */
  .file-upload-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    font-size: 2rem;
  }

  /* Drop Zone Text */
  .file-upload-text {
    text-align: center;
  }

  .file-upload-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-on-surface);
    margin-bottom: 0.25rem;
  }

  .file-upload-subtitle {
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
  }

  .file-upload-browse {
    color: currentColor;
    font-weight: 500;
    text-decoration: underline;
    cursor: pointer;
  }

  /* File List */
  .file-upload-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  /* File Item */
  .file-upload-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background-color: var(--color-surface-container);
    border-radius: var(--radius-sm);
  }

  .file-upload-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
    border-radius: var(--radius-sm);
    font-size: 1.25rem;
    flex-shrink: 0;
  }

  .file-upload-item-info {
    flex: 1;
    min-width: 0;
  }

  .file-upload-item-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-on-surface);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .file-upload-item-size {
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
  }

  .file-upload-item-remove {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    color: var(--color-on-surface-variant);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out;
    flex-shrink: 0;
  }

  .file-upload-item-remove:hover {
    background-color: var(--color-error-container);
    color: var(--color-on-error-container);
  }

  /* Upload Progress */
  .file-upload-progress {
    position: relative;
    height: 0.25rem;
    margin-top: 0.5rem;
    background-color: var(--color-surface-container-highest);
    border-radius: var(--radius-full);
    overflow: hidden;
  }

  .file-upload-progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    transition: width 150ms ease-in-out;
  }

  /* Status States */
  .file-upload-item.uploading .file-upload-item-icon {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  .file-upload-item.success .file-upload-item-icon {
    background-color: var(--color-success-container);
    color: var(--color-on-success-container);
  }

  .file-upload-item.error .file-upload-item-icon {
    background-color: var(--color-error-container);
    color: var(--color-on-error-container);
  }

  .file-upload-item.error .file-upload-progress-bar {
    background-color: var(--color-error);
  }

  /* Error Message */
  .file-upload-error {
    font-size: 0.75rem;
    color: var(--color-error);
  }

  /* Image Preview */
  .file-upload-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(6rem, 1fr));
    gap: 0.75rem;
  }

  .file-upload-preview-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background-color: var(--color-surface-container);
  }

  .file-upload-preview-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .file-upload-preview-remove {
    position: absolute;
    top: 0.25rem;
    right: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    background-color: var(--color-on-surface);
    color: var(--color-surface);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    opacity: 0;
    transition: opacity 150ms ease-in-out;
  }

  .file-upload-preview-item:hover .file-upload-preview-remove {
    opacity: 1;
  }

  /* Compact Style */
  .file-upload-compact .file-upload-dropzone {
    flex-direction: row;
    min-height: auto;
    padding: 1rem;
    gap: 1rem;
  }

  .file-upload-compact .file-upload-icon {
    width: 2rem;
    height: 2rem;
    font-size: 1.5rem;
  }

  .file-upload-compact .file-upload-text {
    text-align: left;
  }

  /* Button Style */
  .file-upload-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary-content);
    background-color: var(--color-primary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color 150ms ease-in-out, box-shadow 150ms ease-in-out;
  }

  .file-upload-button:hover {
    box-shadow: var(--shadow-md);
  }

  .file-upload-button:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .file-upload-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
  }

  /* Color Variants */
  .file-upload-primary .file-upload-dropzone {
    color: var(--color-primary);
  }
  .file-upload-primary .file-upload-dropzone:focus-within {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-primary) 10%, transparent);
  }

  .file-upload-secondary .file-upload-dropzone {
    color: var(--color-secondary);
  }
  .file-upload-secondary .file-upload-dropzone:focus-within {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-secondary) 10%, transparent);
  }

  .file-upload-tertiary .file-upload-dropzone {
    color: var(--color-tertiary);
  }
  .file-upload-tertiary .file-upload-dropzone:focus-within {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-tertiary) 10%, transparent);
  }

  .file-upload-info .file-upload-dropzone {
    color: var(--color-info);
  }
  .file-upload-info .file-upload-dropzone:focus-within {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-info) 10%, transparent);
  }

  .file-upload-success .file-upload-dropzone {
    color: var(--color-success);
  }
  .file-upload-success .file-upload-dropzone:focus-within {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-success) 10%, transparent);
  }

  .file-upload-warning .file-upload-dropzone {
    color: var(--color-warning);
  }
  .file-upload-warning .file-upload-dropzone:focus-within {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-warning) 10%, transparent);
  }

  .file-upload-error .file-upload-dropzone {
    color: var(--color-error);
  }
  .file-upload-error .file-upload-dropzone:focus-within {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-error) 10%, transparent);
  }

  .file-upload-accent .file-upload-dropzone {
    color: var(--color-accent);
  }
  .file-upload-accent .file-upload-dropzone:focus-within {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-accent) 10%, transparent);
  }

  .file-upload-neutral .file-upload-dropzone {
    color: var(--color-neutral);
  }
  .file-upload-neutral .file-upload-dropzone:focus-within {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-neutral) 10%, transparent);
  }

  .file-upload-base .file-upload-dropzone {
    color: var(--color-base-content);
  }
  .file-upload-base .file-upload-dropzone:focus-within {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-base-content) 10%, transparent);
  }

  /* Ghost Variant */
  .file-upload-ghost .file-upload-dropzone {
    background-color: transparent;
    border-color: transparent;
  }
  .file-upload-ghost .file-upload-dropzone:focus-within {
    background-color: var(--color-surface-container);
    border-color: transparent;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Size Variants */
  .file-upload-sm .file-upload-dropzone {
    min-height: 6rem;
    padding: 1rem;
  }

  .file-upload-lg .file-upload-dropzone {
    min-height: 14rem;
    padding: 3rem;
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .file-upload-dropzone,
    .file-upload-progress-bar,
    .file-upload-preview-remove {
      transition: none;
    }
  }
}

/**
 * Form Group Component Styles
 * DuskMoonUI - Form layout utilities including label, helper text, fieldset
 */

@layer components {
  /* Form Group Container */
  .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    width: 100%;
  }

  .form-group-horizontal {
    flex-direction: row;
    align-items: flex-start;
    gap: 1rem;
  }

  .form-group-horizontal .form-label {
    min-width: 8rem;
    padding-top: 0.75rem;
  }

  .form-group-horizontal .form-control {
    flex: 1;
  }

  /* Form Label */
  .form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25rem;
    color: var(--color-on-surface);
    margin-bottom: 0.25rem;
  }

  .form-label-required::after {
    content: ' *';
    color: var(--color-error);
  }

  .form-label-optional::after {
    content: ' (optional)';
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--color-on-surface-variant);
  }

  /* Label Sizes */
  .form-label-sm {
    font-size: 0.75rem;
    line-height: 1rem;
  }

  .form-label-lg {
    font-size: 1rem;
    line-height: 1.5rem;
  }

  /* Form Control Wrapper */
  .form-control {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }

  /* Helper Text */
  .helper-text {
    font-size: 0.75rem;
    line-height: 1rem;
    color: var(--color-on-surface-variant);
    margin-top: 0.25rem;
  }

  .helper-text-error {
    color: var(--color-error);
  }

  .helper-text-success {
    color: var(--color-success);
  }

  .helper-text-warning {
    color: var(--color-warning);
  }

  .helper-text-info {
    color: var(--color-info);
  }

  /* Helper Text with Icon */
  .helper-text-icon {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
  }

  .helper-text-icon svg,
  .helper-text-icon .icon {
    width: 0.875rem;
    height: 0.875rem;
  }

  /* Form Hint (above input) */
  .form-hint {
    font-size: 0.75rem;
    line-height: 1rem;
    color: var(--color-on-surface-variant);
    margin-bottom: 0.25rem;
  }

  /* Fieldset */
  .fieldset {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
    margin: 0;
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--radius-sm);
    background-color: transparent;
  }

  .fieldset-legend {
    padding: 0 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.25rem;
    color: var(--color-on-surface);
  }

  /* Fieldset Variants */
  .fieldset-filled {
    background-color: var(--color-surface-container-lowest);
    border-color: transparent;
  }

  .fieldset-borderless {
    border: none;
    padding: 0;
  }

  /* Fieldset with Card Style */
  .fieldset-card {
    background-color: var(--color-surface);
    border-color: transparent;
    box-shadow: var(--shadow-xs);
    padding: 1.5rem;
  }

  /* Form Row */
  .form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
  }

  .form-row > .form-group {
    flex: 1;
    min-width: 200px;
  }

  /* Form Grid */
  .form-grid {
    display: grid;
    gap: 1rem;
  }

  .form-grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .form-grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }

  @media (max-width: 640px) {
    .form-grid-2,
    .form-grid-3,
    .form-grid-4 {
      grid-template-columns: 1fr;
    }
  }

  /* Form Actions */
  .form-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1rem;
  }

  .form-actions-right {
    justify-content: flex-end;
  }

  .form-actions-center {
    justify-content: center;
  }

  .form-actions-between {
    justify-content: space-between;
  }

  /* Form Divider */
  .form-divider {
    height: 1px;
    background-color: var(--color-outline-variant);
    margin: 1rem 0;
  }

  .form-divider-text {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--color-on-surface-variant);
    font-size: 0.75rem;
    text-transform: uppercase;
  }

  .form-divider-text::before,
  .form-divider-text::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--color-outline-variant);
  }

  /* Form Section */
  .form-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .form-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-on-surface);
    margin-bottom: 0.5rem;
  }

  .form-section-description {
    font-size: 0.875rem;
    color: var(--color-on-surface-variant);
    margin-bottom: 1rem;
  }

  /* Inline Form */
  .form-inline {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 0.75rem;
  }

  .form-inline .form-group {
    flex: none;
    width: auto;
  }

  /* Character Counter */
  .form-counter {
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
    text-align: right;
    margin-top: 0.25rem;
  }

  .form-counter-error {
    color: var(--color-error);
  }

  /* Error State on Form Group */
  .form-group-error .form-label {
    color: var(--color-error);
  }

  .form-group-error .input,
  .form-group-error .select,
  .form-group-error .textarea {
    border-color: var(--color-error);
  }

  .form-group-error .input:focus-visible,
  .form-group-error .select:focus-visible,
  .form-group-error .textarea:focus-visible {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-error) 10%, transparent);
  }

  /* Success State on Form Group */
  .form-group-success .form-label {
    color: var(--color-success);
  }

  .form-group-success .input,
  .form-group-success .select,
  .form-group-success .textarea {
    border-color: var(--color-success);
  }

  .form-group-success .input:focus-visible,
  .form-group-success .select:focus-visible,
  .form-group-success .textarea:focus-visible {
    border-color: var(--color-success);
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-success) 10%, transparent);
  }

  /* Warning State on Form Group */
  .form-group-warning .form-label {
    color: var(--color-warning);
  }

  .form-group-warning .input,
  .form-group-warning .select,
  .form-group-warning .textarea {
    border-color: var(--color-warning);
  }

  .form-group-warning .input:focus-visible,
  .form-group-warning .select:focus-visible,
  .form-group-warning .textarea:focus-visible {
    border-color: var(--color-warning);
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-warning) 10%, transparent);
  }

  /* Info State on Form Group */
  .form-group-info .form-label {
    color: var(--color-info);
  }

  .form-group-info .input,
  .form-group-info .select,
  .form-group-info .textarea {
    border-color: var(--color-info);
  }

  .form-group-info .input:focus-visible,
  .form-group-info .select:focus-visible,
  .form-group-info .textarea:focus-visible {
    border-color: var(--color-info);
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-info) 10%, transparent);
  }

  /* Disabled Form Group */
  .form-group-disabled {
    opacity: 0.5;
    pointer-events: none;
  }

  /* ARIA-based validation states — mirrors class-based states for native form validation */
  .input[aria-invalid="true"],
  .select[aria-invalid="true"],
  .textarea[aria-invalid="true"] {
    border-color: var(--color-error);
    color: var(--color-error);
  }

  .input[aria-invalid="true"]:focus-visible,
  .select[aria-invalid="true"]:focus-visible,
  .textarea[aria-invalid="true"]:focus-visible {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-error) 10%, transparent);
  }

  /* ARIA-based validation for checkbox, radio, switch, file-input
     (frameworks like React Hook Form / Angular set aria-invalid programmatically) */
  .checkbox[aria-invalid="true"],
  .radio[aria-invalid="true"],
  .file-input[aria-invalid="true"] {
    border-color: var(--color-error);
  }

  .checkbox[aria-invalid="true"]:focus-visible,
  .radio[aria-invalid="true"]:focus-visible,
  .file-input[aria-invalid="true"]:focus-visible {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-error) 20%, transparent);
  }

  .switch[aria-invalid="true"] {
    border-color: var(--color-error);
  }

  .switch[aria-invalid="true"]:focus-visible {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-error) 20%, transparent);
  }

  /* ARIA required indicator for labels */
  .form-label[aria-required="true"]::after,
  label[aria-required="true"]::after {
    content: ' *';
    color: var(--color-error);
  }

  /* Native :invalid pseudo-class (opt-in with .validate class to avoid red on page load) */
  .validate .input:invalid,
  .validate .select:invalid,
  .validate .textarea:invalid {
    border-color: var(--color-error);
  }

  .validate .input:valid,
  .validate .select:valid,
  .validate .textarea:valid {
    border-color: var(--color-success);
  }

  /* :user-invalid — fires only after user interaction (no .validate wrapper needed) */
  .input:user-invalid,
  .select:user-invalid,
  .textarea:user-invalid {
    border-color: var(--color-error);
  }

  .input:user-invalid:focus-visible,
  .select:user-invalid:focus-visible,
  .textarea:user-invalid:focus-visible {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-error) 10%, transparent);
  }

  .input:user-valid,
  .select:user-valid,
  .textarea:user-valid {
    border-color: var(--color-success);
  }

  .input:user-valid:focus-visible,
  .select:user-valid:focus-visible,
  .textarea:user-valid:focus-visible {
    border-color: var(--color-success);
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-success) 10%, transparent);
  }

  /* Checkbox & Radio — validation pseudo-classes */
  .checkbox:user-invalid,
  .radio:user-invalid {
    border-color: var(--color-error);
  }

  .checkbox:user-invalid:focus-visible,
  .radio:user-invalid:focus-visible {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-error) 20%, transparent);
  }

  .checkbox:user-valid:checked,
  .radio:user-valid:checked {
    border-color: var(--color-success);
    background-color: var(--color-success);
  }

  /* Switch — validation pseudo-classes (required but unchecked) */
  .switch:user-invalid {
    border-color: var(--color-error);
  }

  .switch:user-invalid:focus-visible {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-error) 20%, transparent);
  }

  .switch:user-valid:checked {
    background-color: var(--color-success);
    border-color: var(--color-success);
  }

  /* File Input — validation pseudo-classes */
  .file-input:user-invalid {
    border-color: var(--color-error);
  }

  .file-input:user-invalid:focus-visible {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-error) 20%, transparent);
  }

  /* Filled Input — validation with bottom border */
  .input-filled:user-invalid {
    border-bottom-color: var(--color-error);
  }

  .input-filled:user-invalid:focus-visible {
    border-bottom-color: var(--color-error);
    box-shadow: none;
  }

  .input-filled:user-valid {
    border-bottom-color: var(--color-success);
  }

  .input-filled:user-valid:focus-visible {
    border-bottom-color: var(--color-success);
    box-shadow: none;
  }
}

/**
 * Multi Select Component Styles
 * DuskMoonUI - Multiple selection dropdown component
 */

@layer components {
  /* Base Multi Select */
  .multi-select {
    position: relative;
    display: inline-flex;
    flex-direction: column;
    width: 100%;
  }

  /* Multi Select Trigger */
  .multi-select-trigger {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 2.75rem;
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5rem;
    color: var(--color-on-surface);
    background-color: var(--color-surface);
    border: 1px solid currentColor;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color 150ms ease-in-out, box-shadow 150ms ease-in-out;
  }

  .multi-select-trigger:hover:not(:disabled) {
    background-color: var(--color-surface-container);
  }

  .multi-select-trigger:focus-within {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Placeholder */
  .multi-select-placeholder {
    flex: 1;
    color: var(--color-on-surface-variant);
    opacity: 0.7;
  }

  /* Selected Tags Container */
  .multi-select-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.25rem;
    flex: 1;
    min-width: 0;
  }

  /* Selected Tag */
  .multi-select-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    max-width: 100%;
    padding: 0.125rem 0.375rem 0.125rem 0.5rem;
    font-size: 0.75rem;
    line-height: 1.25rem;
    background-color: var(--color-surface-container-high);
    color: var(--color-on-surface);
    border-radius: var(--radius-lg);
  }

  .multi-select-tag-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .multi-select-tag-remove {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1rem;
    height: 1rem;
    padding: 0;
    font-size: 0.875rem;
    color: inherit;
    background-color: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 150ms ease-in-out, background-color 150ms ease-in-out;
  }

  .multi-select-tag-remove:hover {
    opacity: 1;
    background-color: color-mix(in oklch, currentColor 15%, transparent);
  }

  /* Tag Variants */
  .multi-select-tag-primary {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  .multi-select-tag-outlined {
    background-color: transparent;
    border: 1px solid var(--color-outline);
    color: var(--color-on-surface);
  }

  /* Overflow Tag */
  .multi-select-tag-overflow {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.5rem;
    font-size: 0.75rem;
    line-height: 1.25rem;
    background-color: var(--color-surface-container);
    color: var(--color-on-surface-variant);
    border-radius: var(--radius-lg);
  }

  /* Inline Search Input */
  .multi-select-input {
    flex: 1;
    min-width: 4rem;
    padding: 0.125rem 0;
    font-size: 0.875rem;
    color: var(--color-on-surface);
    background-color: transparent;
    border: none;
    outline: none;
  }

  .multi-select-input::placeholder {
    color: var(--color-on-surface-variant);
    opacity: 0.7;
  }

  /* Dropdown Arrow */
  .multi-select-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    margin-left: auto;
    color: var(--color-on-surface-variant);
    flex-shrink: 0;
    transition: transform 150ms ease-in-out;
  }

  .multi-select-open .multi-select-arrow {
    transform: rotate(180deg);
  }

  /* Clear All Button */
  .multi-select-clear-all {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    padding: 0;
    color: var(--color-on-surface-variant);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    flex-shrink: 0;
    transition: background-color 150ms ease-in-out;
  }

  .multi-select-clear-all:hover {
    background-color: var(--color-surface-container-high);
  }

  /* Dropdown */
  .multi-select-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 50;
    display: none;
    max-height: 16rem;
    margin-top: 0.25rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    overflow: hidden;
  }

  .multi-select-open .multi-select-dropdown {
    display: flex;
    flex-direction: column;
  }

  /* Popover API Support - Browser handles visibility, JS handles positioning */
  .multi-select-dropdown[popover] {
    /* Reset browser defaults - positioning handled by JavaScript */
    inset: unset;
    margin: 0;
    padding: 0;
    border: 1px solid var(--color-outline-variant);
  }

  .multi-select-dropdown[popover]:popover-open {
    display: flex;
    flex-direction: column;
  }

  /* Search Input */
  .multi-select-search {
    padding: 0.5rem;
    border-bottom: 1px solid var(--color-outline-variant);
  }

  .multi-select-search-input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    color: var(--color-on-surface);
    background-color: var(--color-surface-container);
    border: none;
    border-radius: var(--radius-xs);
    outline: none;
  }

  .multi-select-search-input:focus {
    background-color: var(--color-surface-container-high);
  }

  .multi-select-search-input::placeholder {
    color: var(--color-on-surface-variant);
    opacity: 0.7;
  }

  /* Options List */
  .multi-select-options {
    flex: 1;
    overflow-y: auto;
    padding: 0.25rem;
  }

  /* Option Item */
  .multi-select-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.625rem 0.75rem;
    font-size: 0.875rem;
    color: var(--color-on-surface);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-xs);
    cursor: pointer;
    text-align: left;
    transition: background-color 150ms ease-in-out;
  }

  .multi-select-option:hover {
    background-color: var(--color-surface-container);
  }

  .multi-select-option-selected {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  .multi-select-option-selected:hover {
    background-color: color-mix(in oklch, var(--color-primary-container), black 5%);
  }

  .multi-select-option-disabled {
    opacity: 0.5;
    cursor: not-allowed;
  }

  .multi-select-option-disabled:hover {
    background-color: transparent;
  }

  .multi-select-option-focused {
    background-color: var(--color-surface-container-high);
  }

  /* Option Checkbox */
  .multi-select-option-checkbox {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1rem;
    height: 1rem;
    background-color: transparent;
    border: 2px solid var(--color-on-surface-variant);
    border-radius: var(--radius-xs);
    flex-shrink: 0;
  }

  .multi-select-option-selected .multi-select-option-checkbox {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
  }

  .multi-select-option-selected .multi-select-option-checkbox svg {
    color: var(--color-primary-content);
  }

  /* Option Icon */
  .multi-select-option-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-on-surface-variant);
  }

  /* Option Text */
  .multi-select-option-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .multi-select-option-description {
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
  }

  /* Group */
  .multi-select-group {
    padding: 0.25rem 0;
  }

  .multi-select-group-header {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }

  /* Empty State */
  .multi-select-empty {
    padding: 1.5rem;
    text-align: center;
    color: var(--color-on-surface-variant);
    font-size: 0.875rem;
  }

  /* Select All / Deselect All Actions */
  .multi-select-actions {
    display: flex;
    gap: 0.5rem;
    padding: 0.5rem;
    border-bottom: 1px solid var(--color-outline-variant);
  }

  .multi-select-action {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-primary);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: background-color 150ms ease-in-out;
  }

  .multi-select-action:hover {
    background-color: color-mix(in oklch, var(--color-primary) 10%, transparent);
  }

  /* Counter Badge */
  .multi-select-counter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.25rem;
    height: 1.25rem;
    padding: 0 0.375rem;
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--color-primary-content);
    background-color: var(--color-primary);
    border-radius: var(--radius-sm);
  }

  /* Size Variants */
  .multi-select-sm .multi-select-trigger {
    min-height: 2.25rem;
    padding: 0.375rem 0.5rem;
    font-size: 0.875rem;
    border-radius: var(--radius-xs);
  }

  .multi-select-sm .multi-select-tag {
    font-size: 0.625rem;
    padding: 0 0.25rem 0 0.375rem;
  }

  .multi-select-lg .multi-select-trigger {
    min-height: 3.25rem;
    padding: 0.625rem 1rem;
    font-size: 1.125rem;
    border-radius: var(--radius-sm);
  }

  /* Outlined Variant (Default) */
  .multi-select-outlined .multi-select-trigger {
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline);
  }

  /* Filled Variant */
  .multi-select-filled .multi-select-trigger {
    background-color: var(--color-surface-container);
    border: none;
    border-bottom: 2px solid var(--color-outline);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  }

  .multi-select-filled .multi-select-trigger:focus-within {
    border-bottom-color: currentColor;
    box-shadow: none;
  }

  /* Color Variants */
  .multi-select-primary .multi-select-trigger {
    color: var(--color-primary);
  }
  .multi-select-primary .multi-select-trigger:focus-within {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-primary) 10%, transparent);
  }

  .multi-select-secondary .multi-select-trigger {
    color: var(--color-secondary);
  }
  .multi-select-secondary .multi-select-trigger:focus-within {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-secondary) 10%, transparent);
  }

  .multi-select-tertiary .multi-select-trigger {
    color: var(--color-tertiary);
  }
  .multi-select-tertiary .multi-select-trigger:focus-within {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-tertiary) 10%, transparent);
  }

  .multi-select-info .multi-select-trigger {
    color: var(--color-info);
  }
  .multi-select-info .multi-select-trigger:focus-within {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-info) 10%, transparent);
  }

  .multi-select-success .multi-select-trigger {
    color: var(--color-success);
  }
  .multi-select-success .multi-select-trigger:focus-within {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-success) 10%, transparent);
  }

  .multi-select-warning .multi-select-trigger {
    color: var(--color-warning);
  }
  .multi-select-warning .multi-select-trigger:focus-within {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-warning) 10%, transparent);
  }

  .multi-select-error .multi-select-trigger {
    color: var(--color-error);
  }
  .multi-select-error .multi-select-trigger:focus-within {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-error) 10%, transparent);
  }

  .multi-select-accent .multi-select-trigger {
    color: var(--color-accent);
  }
  .multi-select-accent .multi-select-trigger:focus-within {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-accent) 10%, transparent);
  }

  .multi-select-neutral .multi-select-trigger {
    color: var(--color-neutral);
  }
  .multi-select-neutral .multi-select-trigger:focus-within {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-neutral) 10%, transparent);
  }

  .multi-select-base .multi-select-trigger {
    color: var(--color-base-content);
  }
  .multi-select-base .multi-select-trigger:focus-within {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-base-content) 10%, transparent);
  }

  /* Ghost Variant */
  .multi-select-ghost .multi-select-trigger {
    background-color: transparent;
    border-color: transparent;
  }
  .multi-select-ghost .multi-select-trigger:focus-within {
    background-color: var(--color-surface-container);
    border-color: transparent;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Disabled State */
  .multi-select-disabled .multi-select-trigger {
    cursor: not-allowed;
    opacity: 0.5;
    background-color: var(--color-surface-container);
  }

  .multi-select-disabled .multi-select-tag-remove {
    pointer-events: none;
  }

  /* Loading State */
  .multi-select-loading .multi-select-trigger {
    cursor: wait;
  }

  .multi-select-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--color-outline);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: multi-select-spin 0.8s linear infinite;
  }

  @keyframes multi-select-spin {
    to { transform: rotate(360deg); }
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .multi-select-trigger,
    .multi-select-arrow,
    .multi-select-tag-remove,
    .multi-select-clear-all,
    .multi-select-option {
      transition: none;
    }
    .multi-select-spinner {
      animation: none;
    }
  }
}

/**
 * OTP Input Component Styles
 * DuskMoonUI - One-Time Password input for verification codes
 */

@layer components {
  /* Base OTP Container */
  .otp-input {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
  }

  /* OTP Input Field */
  .otp-input-field {
    width: 3rem;
    height: 3.5rem;
    padding: 0;
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    color: var(--color-on-surface);
    background-color: var(--color-surface);
    border: 2px solid currentColor;
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color 150ms ease-in-out, box-shadow 150ms ease-in-out;
    caret-color: var(--color-primary);
  }

  .otp-input-field::placeholder {
    color: var(--color-on-surface-variant);
    opacity: 0.5;
  }

  .otp-input-field:hover:not(:disabled):not(:focus) {
    background-color: var(--color-surface-container);
  }

  .otp-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .otp-input-field:disabled {
    opacity: 0.38;
    cursor: not-allowed;
    background-color: var(--color-surface-container);
  }

  /* Filled State */
  .otp-input-field-filled {
    background-color: var(--color-surface-container);
    border-color: var(--color-primary);
  }

  /* Separator */
  .otp-separator {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1rem;
    height: 0.25rem;
    background-color: var(--color-outline);
    border-radius: var(--radius-xs);
  }

  /* Size Variants */
  .otp-input-sm .otp-input-field {
    width: 2.5rem;
    height: 3rem;
    font-size: 1.25rem;
    border-radius: var(--radius-xs);
  }

  .otp-input-lg .otp-input-field {
    width: 3.5rem;
    height: 4rem;
    font-size: 1.75rem;
    border-radius: var(--radius-sm);
  }

  /* Compact Gap */
  .otp-input-compact {
    gap: 0.25rem;
  }

  /* Wide Gap */
  .otp-input-wide {
    gap: 1rem;
  }

  /* Filled Variant */
  .otp-input-filled .otp-input-field {
    background-color: var(--color-surface-container);
    border: none;
    border-bottom: 2px solid var(--color-outline);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  }

  .otp-input-filled .otp-input-field:focus {
    border-bottom-color: var(--color-primary);
    box-shadow: none;
  }

  /* Outlined Variant (default) */
  .otp-input-outlined .otp-input-field {
    background-color: transparent;
  }

  /* Underline Variant */
  .otp-input-underline .otp-input-field {
    background-color: transparent;
    border: none;
    border-bottom: 2px solid var(--color-outline);
    border-radius: 0;
  }

  .otp-input-underline .otp-input-field:focus {
    border-bottom-color: var(--color-primary);
    box-shadow: none;
  }

  /* Color Variants */
  .otp-input-primary .otp-input-field {
    color: var(--color-primary);
  }

  .otp-input-primary .otp-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-primary) 10%, transparent);
  }

  .otp-input-secondary .otp-input-field {
    color: var(--color-secondary);
  }

  .otp-input-secondary .otp-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-secondary) 10%, transparent);
  }

  .otp-input-tertiary .otp-input-field {
    color: var(--color-tertiary);
  }

  .otp-input-tertiary .otp-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-tertiary) 10%, transparent);
  }

  .otp-input-info .otp-input-field {
    color: var(--color-info);
  }

  .otp-input-info .otp-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-info) 10%, transparent);
  }

  .otp-input-success .otp-input-field {
    color: var(--color-success);
  }

  .otp-input-success .otp-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-success) 10%, transparent);
  }

  .otp-input-warning .otp-input-field {
    color: var(--color-warning);
  }

  .otp-input-warning .otp-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-warning) 10%, transparent);
  }

  .otp-input-error .otp-input-field {
    color: var(--color-error);
  }

  .otp-input-error .otp-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-error) 10%, transparent);
  }

  .otp-input-accent .otp-input-field {
    color: var(--color-accent);
  }

  .otp-input-accent .otp-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-accent) 10%, transparent);
  }

  .otp-input-neutral .otp-input-field {
    color: var(--color-neutral);
  }

  .otp-input-neutral .otp-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-neutral) 10%, transparent);
  }

  .otp-input-base .otp-input-field {
    color: var(--color-base-content);
  }

  .otp-input-base .otp-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-base-content) 10%, transparent);
  }

  /* Ghost Variant */
  .otp-input-ghost .otp-input-field {
    background-color: transparent;
    border-color: transparent;
  }

  .otp-input-ghost .otp-input-field:focus {
    background-color: var(--color-surface-container);
    border-color: transparent;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Masked Input (dots) */
  .otp-input-masked .otp-input-field {
    -webkit-text-security: disc;
    font-family: text-security-disc;
  }

  /* OTP Group with Label */
  .otp-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .otp-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-on-surface);
  }

  .otp-helper {
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
  }

  .otp-error-message {
    font-size: 0.75rem;
    color: var(--color-error);
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .otp-input-field {
      transition: none;
    }
  }
}

/**
 * PIN Input Component Styles
 * DuskMoonUI - Secure PIN/password entry input
 */

@layer components {
  /* Base PIN Container */
  .pin-input {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
  }

  /* PIN Input Field */
  .pin-input-field {
    width: 3rem;
    height: 3.5rem;
    padding: 0;
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    color: var(--color-on-surface);
    background-color: var(--color-surface);
    border: 2px solid currentColor;
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color 150ms ease-in-out, box-shadow 150ms ease-in-out;
    caret-color: var(--color-primary);
    -webkit-text-security: disc;
  }

  .pin-input-field::placeholder {
    color: var(--color-on-surface-variant);
    opacity: 0.3;
  }

  .pin-input-field:hover:not(:disabled):not(:focus) {
    background-color: var(--color-surface-container);
  }

  .pin-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .pin-input-field:disabled {
    opacity: 0.38;
    cursor: not-allowed;
    background-color: var(--color-surface-container);
  }

  /* Show PIN (toggle visibility) */
  .pin-input-visible .pin-input-field {
    -webkit-text-security: none;
  }

  /* Size Variants */
  .pin-input-sm .pin-input-field {
    width: 2.5rem;
    height: 3rem;
    font-size: 1.25rem;
    border-radius: var(--radius-xs);
  }

  .pin-input-lg .pin-input-field {
    width: 3.5rem;
    height: 4rem;
    font-size: 1.75rem;
    border-radius: var(--radius-sm);
  }

  /* Compact Gap */
  .pin-input-compact {
    gap: 0.25rem;
  }

  /* Filled Variant */
  .pin-input-filled .pin-input-field {
    background-color: var(--color-surface-container);
    border: none;
    border-bottom: 2px solid var(--color-outline);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  }

  .pin-input-filled .pin-input-field:focus {
    border-bottom-color: var(--color-primary);
    box-shadow: none;
  }

  /* Circle Variant */
  .pin-input-circle .pin-input-field {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
  }

  .pin-input-circle.pin-input-sm .pin-input-field {
    width: 2.5rem;
    height: 2.5rem;
  }

  .pin-input-circle.pin-input-lg .pin-input-field {
    width: 3.5rem;
    height: 3.5rem;
  }

  /* Dot Display (shows dots instead of numbers) */
  .pin-input-dots .pin-input-field {
    font-size: 2rem;
    letter-spacing: -0.25rem;
  }

  /* Color Variants */
  .pin-input-primary .pin-input-field {
    color: var(--color-primary);
  }

  .pin-input-primary .pin-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-primary) 10%, transparent);
  }

  .pin-input-secondary .pin-input-field {
    color: var(--color-secondary);
  }

  .pin-input-secondary .pin-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-secondary) 10%, transparent);
  }

  .pin-input-tertiary .pin-input-field {
    color: var(--color-tertiary);
  }

  .pin-input-tertiary .pin-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-tertiary) 10%, transparent);
  }

  .pin-input-info .pin-input-field {
    color: var(--color-info);
  }

  .pin-input-info .pin-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-info) 10%, transparent);
  }

  .pin-input-success .pin-input-field {
    color: var(--color-success);
  }

  .pin-input-success .pin-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-success) 10%, transparent);
  }

  .pin-input-warning .pin-input-field {
    color: var(--color-warning);
  }

  .pin-input-warning .pin-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-warning) 10%, transparent);
  }

  .pin-input-error .pin-input-field {
    color: var(--color-error);
    animation: pin-shake 300ms ease-in-out;
  }

  .pin-input-error .pin-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-error) 10%, transparent);
  }

  .pin-input-accent .pin-input-field {
    color: var(--color-accent);
  }

  .pin-input-accent .pin-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-accent) 10%, transparent);
  }

  .pin-input-neutral .pin-input-field {
    color: var(--color-neutral);
  }

  .pin-input-neutral .pin-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-neutral) 10%, transparent);
  }

  .pin-input-base .pin-input-field {
    color: var(--color-base-content);
  }

  .pin-input-base .pin-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-base-content) 10%, transparent);
  }

  @keyframes pin-shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-4px); }
    40%, 80% { transform: translateX(4px); }
  }

  /* Ghost Variant */
  .pin-input-ghost .pin-input-field {
    background-color: transparent;
    border-color: transparent;
  }

  .pin-input-ghost .pin-input-field:focus {
    background-color: var(--color-surface-container);
    border-color: transparent;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* PIN Group with Label */
  .pin-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .pin-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-on-surface);
  }

  .pin-helper {
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
  }

  .pin-error-message {
    font-size: 0.75rem;
    color: var(--color-error);
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .pin-input-field {
      transition: none;
    }

    .pin-input-error .pin-input-field {
      animation: none;
    }
  }
}

/**
 * Radio Component Styles
 * DuskMoonUI - Material Design 3 inspired radio button
 *
 * Usage: <input type="radio" name="group" class="radio" />
 * With label: <label class="radio-label"><input type="radio" name="group" class="radio" /><span>Option</span></label>
 */

@layer components {
  /* Base Radio - applied directly to input[type="radio"] */
  .radio {
    --radio-size: 1.25rem;
    --radio-color: var(--color-primary);
    --radio-border-color: var(--color-on-surface-variant);
    color: var(--color-on-surface);

    position: relative;
    display: inline-grid;
    place-content: center;
    width: var(--radio-size);
    height: var(--radio-size);
    margin: 0;
    cursor: pointer;
    appearance: none;
    background-color: transparent;
    border: 2px solid var(--radio-border-color);
    border-radius: var(--radius-full);
    transition: border-color 150ms ease-in-out;
  }

  /* Inner dot using ::before pseudo-element */
  .radio::before {
    content: "";
    width: 0.5em;
    height: 0.5em;
    border-radius: var(--radius-full);
    background-color: var(--radio-color);
    transform: scale(0);
    transition: transform 150ms ease-in-out;
  }

  /* Checked State */
  .radio:checked {
    border-color: var(--radio-color);
  }

  .radio:checked::before {
    transform: scale(1);
  }

  /* Hover State */
  .radio:hover:not(:disabled):not(:checked) {
    border-color: var(--color-on-surface);
  }

  .radio:checked:hover:not(:disabled) {
    border-color: color-mix(in oklch, var(--radio-color), black 10%);
  }

  .radio:checked:hover:not(:disabled)::before {
    background-color: color-mix(in oklch, var(--radio-color), black 10%);
  }

  /* Focus State */
  .radio:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--radio-color) 20%, transparent);
  }

  /* Disabled State */
  .radio:disabled {
    cursor: not-allowed;
    opacity: 0.38;
  }

  /* ========================================
   * Size Variants
   * ======================================== */

  .radio-xs {
    --radio-size: 0.875rem;
  }

  .radio-sm {
    --radio-size: 1rem;
  }

  .radio-md {
    --radio-size: 1.25rem;
  }

  .radio-lg {
    --radio-size: 1.5rem;
  }

  .radio-xl {
    --radio-size: 1.75rem;
  }

  /* ========================================
   * Color Variants
   * ======================================== */

  .radio-primary {
    --radio-color: var(--color-primary);
  }

  .radio-secondary {
    --radio-color: var(--color-secondary);
  }

  .radio-tertiary {
    --radio-color: var(--color-tertiary);
  }

  .radio-success {
    --radio-color: var(--color-success);
  }

  .radio-warning {
    --radio-color: var(--color-warning);
  }

  .radio-error {
    --radio-color: var(--color-error);
  }

  .radio-info {
    --radio-color: var(--color-info);
  }

  .radio-accent {
    --radio-color: var(--color-accent);
  }

  .radio-neutral {
    --radio-color: var(--color-neutral);
  }

  .radio-base {
    --radio-color: var(--color-base-content);
  }

  /* Ghost Variant — borderless unchecked state */
  .radio-ghost {
    --radio-border-color: transparent;
  }

  .radio-ghost:hover:not(:disabled):not(:checked) {
    border-color: transparent;
  }

  /* ========================================
   * Radio with Label (wrapper pattern)
   * ======================================== */

  .radio-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
    font-size: 0.875rem;
    color: var(--color-on-surface);
  }

  .radio-label:has(.radio:disabled) {
    cursor: not-allowed;
    opacity: 0.38;
  }

  /* ========================================
   * Radio Group
   * ======================================== */

  .radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }

  .radio-group-horizontal {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.5rem;
  }

  .radio-group-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-on-surface);
    margin-bottom: 0.5rem;
  }

  /* ========================================
   * Reduce Motion
   * ======================================== */

  @media (prefers-reduced-motion: reduce) {
    .radio,
    .radio::before {
      transition: none;
    }
  }
}

/**
 * Rating Component Styles
 * DuskMoonUI - Material Design 3 inspired rating system
 */

@layer components {
  /* Base Rating */
  .rating {
    display: inline-flex;
    align-items: center;
    gap: 0.125rem;
    color: var(--color-on-surface);
  }

  /* Rating Item */
  .rating-item {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-outline);
    cursor: pointer;
    transition: color 150ms ease-in-out, transform 150ms ease-in-out;
  }

  .rating-item:hover {
    transform: scale(1.1);
  }

  .rating-item.active {
    color: var(--color-warning-container);
  }

  .rating-item.filled {
    color: var(--color-warning);
  }

  /* Rating Input (hidden) */
  .rating-input {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
    overflow: hidden;
  }

  /* Rating Icon */
  .rating-icon {
    width: 1.5rem;
    height: 1.5rem;
    font-size: 1.5rem;
    line-height: 1;
  }

  /* Half Rating */
  .rating-half {
    position: relative;
    overflow: hidden;
  }

  .rating-half .rating-icon-empty {
    color: var(--color-outline);
  }

  .rating-half .rating-icon-filled {
    position: absolute;
    left: 0;
    top: 0;
    width: 50%;
    overflow: hidden;
    color: var(--color-warning);
  }

  /* Size Variants */
  .rating-xs .rating-icon {
    width: 0.875rem;
    height: 0.875rem;
    font-size: 0.875rem;
  }

  .rating-sm .rating-icon {
    width: 1.25rem;
    height: 1.25rem;
    font-size: 1.25rem;
  }

  .rating-lg .rating-icon {
    width: 2rem;
    height: 2rem;
    font-size: 2rem;
  }

  .rating-xl .rating-icon {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 2.5rem;
  }

  /* Color Variants */
  .rating-primary .rating-item.filled {
    color: var(--color-primary);
  }

  .rating-secondary .rating-item.filled {
    color: var(--color-secondary);
  }

  .rating-error .rating-item.filled {
    color: var(--color-error);
  }

  .rating-success .rating-item.filled {
    color: var(--color-success);
  }

  .rating-tertiary .rating-item.filled {
    color: var(--color-tertiary);
  }

  .rating-info .rating-item.filled {
    color: var(--color-info);
  }

  /* Note: .rating-warning is explicit even though the default rating filled color is
     already --color-warning. This allows resetting to warning after applying another
     color variant (e.g. class="rating rating-primary rating-warning"). */
  .rating-warning .rating-item.filled {
    color: var(--color-warning);
  }

  .rating-accent .rating-item.filled {
    color: var(--color-accent);
  }

  .rating-neutral .rating-item.filled {
    color: var(--color-neutral);
  }

  .rating-base .rating-item.filled {
    color: var(--color-base-content);
  }

  /* Read Only */
  .rating-readonly .rating-item {
    cursor: default;
  }

  .rating-readonly .rating-item:hover {
    transform: none;
  }

  /* Disabled */
  .rating-disabled {
    opacity: 0.6;
    pointer-events: none;
  }

  /* With Label */
  .rating-labeled {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .rating-label {
    font-size: 0.875rem;
    color: var(--color-on-surface-variant);
  }

  /* With Count */
  .rating-count {
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
    margin-left: 0.25rem;
  }

  /* Hover Preview */
  .rating:not(.rating-readonly) .rating-item:hover ~ .rating-item {
    color: var(--color-outline);
  }

  .rating:not(.rating-readonly):hover .rating-item {
    color: var(--color-warning);
  }

  .rating-primary:not(.rating-readonly):hover .rating-item   { color: var(--color-primary); }
  .rating-secondary:not(.rating-readonly):hover .rating-item { color: var(--color-secondary); }
  .rating-tertiary:not(.rating-readonly):hover .rating-item  { color: var(--color-tertiary); }
  .rating-info:not(.rating-readonly):hover .rating-item      { color: var(--color-info); }
  .rating-success:not(.rating-readonly):hover .rating-item   { color: var(--color-success); }
  .rating-error:not(.rating-readonly):hover .rating-item     { color: var(--color-error); }
  .rating-accent:not(.rating-readonly):hover .rating-item    { color: var(--color-accent); }
  .rating-neutral:not(.rating-readonly):hover .rating-item   { color: var(--color-neutral); }
  .rating-base:not(.rating-readonly):hover .rating-item      { color: var(--color-base-content); }

  /* Focus Visible — use warning (the default fill color) for the base ring;
     per-variant overrides below match the active fill color for each variant. */
  .rating-item:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-warning) 20%, transparent);
    border-radius: var(--radius-xs);
  }

  .rating-primary .rating-item:focus-visible   { box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-primary)   20%, transparent); }
  .rating-secondary .rating-item:focus-visible { box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-secondary) 20%, transparent); }
  .rating-tertiary .rating-item:focus-visible  { box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-tertiary)  20%, transparent); }
  .rating-info .rating-item:focus-visible      { box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-info)      20%, transparent); }
  .rating-success .rating-item:focus-visible   { box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-success)   20%, transparent); }
  .rating-error .rating-item:focus-visible     { box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-error)     20%, transparent); }
  .rating-warning .rating-item:focus-visible   { box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-warning)   20%, transparent); }
  .rating-accent .rating-item:focus-visible    { box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-accent)    20%, transparent); }
  .rating-neutral .rating-item:focus-visible   { box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-neutral)   20%, transparent); }
  .rating-base .rating-item:focus-visible      { box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-base-content) 20%, transparent); }

  /* Rating Display (static) */
  .rating-display {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
  }

  .rating-display-value {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-on-surface);
  }

  .rating-display-stars {
    display: flex;
    gap: 0.0625rem;
    color: var(--color-warning);
  }

  .rating-display-max {
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
  }

  /* Compact Rating */
  .rating-compact {
    gap: 0;
  }

  .rating-compact .rating-item {
    padding: 0.125rem;
  }

  /* Animated */
  .rating-animated .rating-item {
    transition: color 150ms ease-in-out, transform 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
  }

  .rating-animated .rating-item.filled {
    animation: rating-pop 300ms ease-out;
  }

  @keyframes rating-pop {
    0% {
      transform: scale(1);
    }
    50% {
      transform: scale(1.3);
    }
    100% {
      transform: scale(1);
    }
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .rating-item,
    .rating-animated .rating-item {
      transition: color 0ms;
    }

    .rating-animated .rating-item.filled {
      animation: none;
    }
  }
}

/**
 * Segment Control Component Styles
 * DuskMoonUI - Material Design 3 inspired segmented button/toggle group
 */

@layer components {
  /* Base Segment Control */
  .segment-control {
    display: inline-flex;
    align-items: stretch;
    color: var(--color-on-surface);
    background-color: var(--color-surface-container);
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-xl);
    padding: 0.25rem;
    gap: 0.25rem;
  }

  /* Segment Item */
  .segment-item {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25rem;
    color: var(--color-on-surface);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out;
    user-select: none;
    white-space: nowrap;
  }

  .segment-item:hover:not(:disabled):not(.segment-item-active) {
    background-color: var(--color-surface-container-high);
  }

  .segment-item:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .segment-item:disabled {
    opacity: 0.38;
    cursor: not-allowed;
  }

  /* Active State */
  .segment-item-active {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  .segment-item-active:hover:not(:disabled) {
    background-color: color-mix(in oklch, var(--color-primary-container), black 5%);
  }

  /* Segment Icon */
  .segment-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.125rem;
    height: 1.125rem;
  }

  /* Size Variants */
  .segment-control-sm {
    padding: 0.125rem;
    gap: 0.125rem;
    border-radius: var(--radius-lg);
  }

  .segment-control-sm .segment-item {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    line-height: 1rem;
    border-radius: var(--radius-md);
  }

  .segment-control-lg {
    padding: 0.375rem;
    gap: 0.375rem;
    border-radius: var(--radius-2xl);
  }

  .segment-control-lg .segment-item {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    line-height: 1.5rem;
    border-radius: var(--radius-xl);
  }

  /* Color Variants */
  .segment-control-primary .segment-item-active {
    background-color: var(--color-primary);
    color: var(--color-primary-content);
  }

  .segment-control-secondary .segment-item-active {
    background-color: var(--color-secondary-container);
    color: var(--color-on-secondary-container);
  }

  .segment-control-tertiary .segment-item-active {
    background-color: var(--color-tertiary-container);
    color: var(--color-on-tertiary-container);
  }

  .segment-control-info .segment-item-active {
    background-color: var(--color-info-container);
    color: var(--color-on-info-container);
  }

  .segment-control-success .segment-item-active {
    background-color: var(--color-success-container);
    color: var(--color-on-success-container);
  }

  .segment-control-warning .segment-item-active {
    background-color: var(--color-warning-container);
    color: var(--color-on-warning-container);
  }

  .segment-control-error .segment-item-active {
    background-color: var(--color-error-container);
    color: var(--color-on-error-container);
  }

  .segment-control-accent .segment-item-active {
    background-color: color-mix(in oklch, var(--color-accent) 15%, var(--color-surface));
    color: var(--color-on-surface);
  }

  .segment-control-neutral .segment-item-active {
    background-color: color-mix(in oklch, var(--color-neutral) 15%, var(--color-surface));
    color: var(--color-on-surface);
  }

  .segment-control-base .segment-item-active {
    background-color: var(--color-base-200);
    color: var(--color-base-content);
  }

  /* Full Width */
  .segment-control-full {
    display: flex;
    width: 100%;
  }

  .segment-control-full .segment-item {
    flex: 1;
  }

  /* Outlined Variant */
  .segment-control-outlined {
    background-color: transparent;
    padding: 0;
    gap: 0;
  }

  .segment-control-outlined .segment-item {
    border: 1px solid var(--color-outline);
    border-radius: 0;
    margin-left: -1px;
  }

  .segment-control-outlined .segment-item:first-child {
    margin-left: 0;
    border-top-left-radius: 1.25rem;
    border-bottom-left-radius: 1.25rem;
  }

  .segment-control-outlined .segment-item:last-child {
    border-top-right-radius: 1.25rem;
    border-bottom-right-radius: 1.25rem;
  }

  .segment-control-outlined .segment-item-active {
    background-color: var(--color-primary-container);
    border-color: var(--color-primary);
    z-index: 1;
  }

  /* Ghost Variant */
  .segment-control-ghost {
    background-color: transparent;
    border-color: transparent;
  }

  /* Icon Only */
  .segment-control-icon-only .segment-item {
    padding: 0.625rem;
  }

  .segment-control-icon-only.segment-control-sm .segment-item {
    padding: 0.5rem;
  }

  .segment-control-icon-only.segment-control-lg .segment-item {
    padding: 0.75rem;
  }

  /* Multiple Selection (Toggle Group) */
  .segment-control-multi .segment-item-active {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .segment-item {
      transition: none;
    }
  }
}

/**
 * Select Component Styles
 * DuskMoonUI - Material Design 3 inspired select/dropdown system
 */

@layer components {
  /* Base Select */
  .select {
    display: block;
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5rem;
    color: var(--color-on-surface);
    background-color: var(--color-surface);
    border: 1px solid currentColor;
    border-radius: var(--radius-sm);
    outline: none;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.25rem 1.25rem;
    transition: border-color 150ms ease-in-out, box-shadow 150ms ease-in-out;
  }

  .select:hover:not(:disabled) {
    background-color: var(--color-surface-container);
  }

  .select:focus {
    outline: none;
  }

  .select:focus-visible {
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .select:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    background-color: var(--color-surface-container);
  }

  /* Filled Variant */
  .select-filled {
    background-color: var(--color-surface-container);
    border: none;
    border-bottom: 2px solid var(--color-outline);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  }

  .select-filled:hover:not(:disabled) {
    background-color: var(--color-surface-container-high);
    border-bottom-color: var(--color-on-surface);
  }

  .select-filled:focus-visible {
    border-bottom-color: var(--color-primary);
    box-shadow: none;
  }

  .select-filled.select-primary:focus-visible { border-bottom-color: var(--color-primary); }
  .select-filled.select-secondary:focus-visible { border-bottom-color: var(--color-secondary); }
  .select-filled.select-tertiary:focus-visible { border-bottom-color: var(--color-tertiary); }
  .select-filled.select-info:focus-visible { border-bottom-color: var(--color-info); }
  .select-filled.select-success:focus-visible { border-bottom-color: var(--color-success); }
  .select-filled.select-warning:focus-visible { border-bottom-color: var(--color-warning); }
  .select-filled.select-error:focus-visible { border-bottom-color: var(--color-error); }
  .select-filled.select-accent:focus-visible { border-bottom-color: var(--color-accent); }
  .select-filled.select-neutral:focus-visible { border-bottom-color: var(--color-neutral); }
  .select-filled.select-base:focus-visible { border-bottom-color: var(--color-base-content); }

  /* Outlined Variant (default is outlined) */
  .select-outlined {
    background-color: transparent;
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-sm);
  }

  /* Color Variants — base .select:focus-visible uses currentColor 20%, so no per-variant
     focus-visible overrides needed; setting color: here is sufficient. */
  .select-primary   { color: var(--color-primary); }
  .select-secondary { color: var(--color-secondary); }
  .select-tertiary  { color: var(--color-tertiary); }

  /* Semantic Colors */
  .select-info    { color: var(--color-info); }
  .select-success { color: var(--color-success); }
  .select-warning { color: var(--color-warning); }
  .select-error   { color: var(--color-error); }
  .select-accent  { color: var(--color-accent); }
  .select-neutral { color: var(--color-neutral); }
  .select-base    { color: var(--color-base-content); }

  /* Size Variants */
  .select-xs {
    padding: 0.375rem 2rem 0.375rem 0.625rem;
    font-size: 0.75rem;
    line-height: 1rem;
    border-radius: var(--radius-xs);
    background-size: 1rem 1rem;
  }

  .select-sm {
    padding: 0.5rem 2.25rem 0.5rem 0.75rem;
    font-size: 0.875rem;
    line-height: 1.25rem;
    border-radius: var(--radius-xs);
    background-size: 1.125rem 1.125rem;
  }

  .select-lg {
    padding: 1rem 3rem 1rem 1.25rem;
    font-size: 1.125rem;
    line-height: 1.75rem;
    border-radius: var(--radius-sm);
    background-size: 1.5rem 1.5rem;
    background-position: right 1rem center;
  }

  /* Select Container */
  .select-container {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    width: 100%;
  }

  .select-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-on-surface);
  }

  .select-helper {
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
  }

  .select-container-error .select-helper {
    color: var(--color-error);
  }

  /* Select Group */
  .select-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }

  /* Multiple Select */
  .select-multiple {
    padding: 0.5rem;
    height: auto;
    min-height: 6rem;
    background-image: none;
  }

  .select-multiple option {
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-xs);
  }

  .select-multiple option:checked {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  /* Ghost Select */
  .select-ghost {
    background-color: transparent;
    border-color: transparent;
  }

  .select-ghost:hover:not(:disabled) {
    background-color: var(--color-surface-container);
    border-color: transparent;
  }

  .select-ghost:focus-visible {
    background-color: var(--color-surface-container);
    border-color: transparent;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .select {
      transition: none;
    }
  }
}

/**
 * Slider Component Styles
 * DuskMoonUI - Material Design 3 inspired slider system
 */

@layer components {
  /* Base Slider */
  .slider {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    height: 2.5rem;
    touch-action: none;
    user-select: none;
    color: var(--color-on-surface);
  }

  /* Slider Track */
  .slider-track {
    position: relative;
    width: 100%;
    height: 0.25rem;
    background-color: var(--color-surface-container-highest);
    border-radius: var(--radius-full);
  }

  /* Slider Track Filled (Progress) */
  .slider-track-filled {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
  }

  /* Slider Thumb */
  .slider-thumb {
    position: absolute;
    top: 50%;
    width: 1.25rem;
    height: 1.25rem;
    background-color: var(--color-primary);
    border: none;
    border-radius: var(--radius-full);
    box-shadow: 0 2px 4px color-mix(in srgb, var(--color-shadow) 20%, transparent);
    transform: translate(-50%, -50%);
    cursor: grab;
    transition: box-shadow 150ms ease-in-out, transform 150ms ease-in-out;
  }

  .slider-thumb:hover {
    box-shadow: 0 0 0 8px var(--color-primary-container), 0 2px 4px color-mix(in srgb, var(--color-shadow) 20%, transparent);
  }

  .slider-thumb:focus-visible {
    outline: none;
    box-shadow: 0 0 0 8px var(--color-primary-container), 0 2px 4px color-mix(in srgb, var(--color-shadow) 20%, transparent);
  }

  .slider-thumb:active {
    cursor: grabbing;
    transform: translate(-50%, -50%) scale(1.1);
  }

  /* Slider Thumb Label (Value tooltip) */
  .slider-thumb-label {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.25rem 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-primary-content);
    background-color: var(--color-primary);
    border-radius: var(--radius-xs);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 150ms ease-out, visibility 150ms ease-out;
  }

  .slider-thumb-label::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 0.25rem solid transparent;
    border-top-color: var(--color-primary);
  }

  .slider-thumb:hover .slider-thumb-label,
  .slider-thumb:focus-visible .slider-thumb-label,
  .slider-thumb:active .slider-thumb-label {
    opacity: 1;
    visibility: visible;
  }

  /* Always Show Labels Variant */
  .slider-labels-always .slider-thumb-label {
    opacity: 1;
    visibility: visible;
  }

  /* Marks Container */
  .slider-marks {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
    pointer-events: none;
  }

  /* Individual Mark */
  .slider-mark {
    position: relative;
    width: 0.125rem;
    height: 0.5rem;
    background-color: var(--color-outline);
    border-radius: var(--radius-full);
  }

  .slider-mark-active {
    background-color: var(--color-primary-content);
  }

  /* Mark Label */
  .slider-mark-label {
    position: absolute;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
    white-space: nowrap;
  }

  /* Min/Max Labels Container */
  .slider-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
  }

  /* Size Variants */
  .slider-sm {
    height: 2rem;
  }

  .slider-sm .slider-track {
    height: 0.125rem;
  }

  .slider-sm .slider-thumb {
    width: 1rem;
    height: 1rem;
  }

  .slider-lg {
    height: 3rem;
  }

  .slider-lg .slider-track {
    height: 0.375rem;
  }

  .slider-lg .slider-thumb {
    width: 1.5rem;
    height: 1.5rem;
  }

  /* Color Variants */
  .slider-primary .slider-track-filled,
  .slider-primary .slider-thumb {
    background-color: var(--color-primary);
  }

  .slider-primary .slider-mark-active   { background-color: var(--color-primary-content); }

  .slider-primary .slider-thumb:hover,
  .slider-primary .slider-thumb:focus-visible {
    box-shadow: 0 0 0 8px var(--color-primary-container), 0 2px 4px color-mix(in srgb, var(--color-shadow) 20%, transparent);
  }

  .slider-primary .slider-thumb-label {
    background-color: var(--color-primary);
    color: var(--color-primary-content);
  }

  .slider-primary .slider-thumb-label::after {
    border-top-color: var(--color-primary);
  }

  .slider-secondary .slider-track-filled,
  .slider-secondary .slider-thumb {
    background-color: var(--color-secondary);
  }

  .slider-secondary .slider-thumb:hover,
  .slider-secondary .slider-thumb:focus-visible {
    box-shadow: 0 0 0 8px var(--color-secondary-container), 0 2px 4px color-mix(in srgb, var(--color-shadow) 20%, transparent);
  }

  .slider-secondary .slider-mark-active { background-color: var(--color-secondary-content); }

  .slider-secondary .slider-thumb-label {
    background-color: var(--color-secondary);
    color: var(--color-secondary-content);
  }

  .slider-secondary .slider-thumb-label::after {
    border-top-color: var(--color-secondary);
  }

  .slider-tertiary .slider-track-filled,
  .slider-tertiary .slider-thumb {
    background-color: var(--color-tertiary);
  }

  .slider-tertiary .slider-thumb:hover,
  .slider-tertiary .slider-thumb:focus-visible {
    box-shadow: 0 0 0 8px var(--color-tertiary-container), 0 2px 4px color-mix(in srgb, var(--color-shadow) 20%, transparent);
  }

  .slider-tertiary .slider-mark-active { background-color: var(--color-tertiary-content); }

  .slider-tertiary .slider-thumb-label {
    background-color: var(--color-tertiary);
    color: var(--color-tertiary-content);
  }

  .slider-tertiary .slider-thumb-label::after {
    border-top-color: var(--color-tertiary);
  }

  /* Info */
  .slider-info .slider-track-filled,
  .slider-info .slider-thumb {
    background-color: var(--color-info);
  }

  .slider-info .slider-thumb:hover,
  .slider-info .slider-thumb:focus-visible {
    box-shadow: 0 0 0 8px var(--color-info-container), 0 2px 4px color-mix(in srgb, var(--color-shadow) 20%, transparent);
  }

  .slider-info .slider-mark-active { background-color: var(--color-info-content); }

  .slider-info .slider-thumb-label {
    background-color: var(--color-info);
    color: var(--color-info-content);
  }

  .slider-info .slider-thumb-label::after {
    border-top-color: var(--color-info);
  }

  /* Success */
  .slider-success .slider-track-filled,
  .slider-success .slider-thumb {
    background-color: var(--color-success);
  }

  .slider-success .slider-thumb:hover,
  .slider-success .slider-thumb:focus-visible {
    box-shadow: 0 0 0 8px var(--color-success-container), 0 2px 4px color-mix(in srgb, var(--color-shadow) 20%, transparent);
  }

  .slider-success .slider-mark-active { background-color: var(--color-success-content); }

  .slider-success .slider-thumb-label {
    background-color: var(--color-success);
    color: var(--color-success-content);
  }

  .slider-success .slider-thumb-label::after {
    border-top-color: var(--color-success);
  }

  /* Warning */
  .slider-warning .slider-track-filled,
  .slider-warning .slider-thumb {
    background-color: var(--color-warning);
  }

  .slider-warning .slider-thumb:hover,
  .slider-warning .slider-thumb:focus-visible {
    box-shadow: 0 0 0 8px var(--color-warning-container), 0 2px 4px color-mix(in srgb, var(--color-shadow) 20%, transparent);
  }

  .slider-warning .slider-mark-active { background-color: var(--color-warning-content); }

  .slider-warning .slider-thumb-label {
    background-color: var(--color-warning);
    color: var(--color-warning-content);
  }

  .slider-warning .slider-thumb-label::after {
    border-top-color: var(--color-warning);
  }

  /* Error */
  .slider-error .slider-track-filled,
  .slider-error .slider-thumb {
    background-color: var(--color-error);
  }

  .slider-error .slider-thumb:hover,
  .slider-error .slider-thumb:focus-visible {
    box-shadow: 0 0 0 8px var(--color-error-container), 0 2px 4px color-mix(in srgb, var(--color-shadow) 20%, transparent);
  }

  .slider-error .slider-mark-active { background-color: var(--color-error-content); }

  .slider-error .slider-thumb-label {
    background-color: var(--color-error);
    color: var(--color-error-content);
  }

  .slider-error .slider-thumb-label::after {
    border-top-color: var(--color-error);
  }

  .slider-accent .slider-track-filled,
  .slider-accent .slider-thumb {
    background-color: var(--color-accent);
  }

  .slider-accent .slider-thumb:hover,
  .slider-accent .slider-thumb:focus-visible {
    box-shadow: 0 0 0 8px color-mix(in oklch, var(--color-accent) 15%, var(--color-surface)), 0 2px 4px color-mix(in srgb, var(--color-shadow) 20%, transparent);
  }

  .slider-accent .slider-mark-active { background-color: var(--color-accent-content); }

  .slider-accent .slider-thumb-label {
    background-color: var(--color-accent);
    color: var(--color-accent-content);
  }

  .slider-accent .slider-thumb-label::after {
    border-top-color: var(--color-accent);
  }

  .slider-neutral .slider-track-filled,
  .slider-neutral .slider-thumb {
    background-color: var(--color-neutral);
  }

  .slider-neutral .slider-thumb:hover,
  .slider-neutral .slider-thumb:focus-visible {
    box-shadow: 0 0 0 8px color-mix(in oklch, var(--color-neutral) 15%, var(--color-surface)), 0 2px 4px color-mix(in srgb, var(--color-shadow) 20%, transparent);
  }

  .slider-neutral .slider-mark-active { background-color: var(--color-neutral-content); }

  .slider-neutral .slider-thumb-label {
    background-color: var(--color-neutral);
    color: var(--color-neutral-content);
  }

  .slider-neutral .slider-thumb-label::after {
    border-top-color: var(--color-neutral);
  }

  .slider-base .slider-track-filled,
  .slider-base .slider-thumb {
    background-color: var(--color-base-100);
  }

  .slider-base .slider-thumb:hover,
  .slider-base .slider-thumb:focus-visible {
    box-shadow: 0 0 0 8px var(--color-base-200), 0 2px 4px color-mix(in srgb, var(--color-shadow) 20%, transparent);
  }

  .slider-base .slider-mark-active { background-color: var(--color-base-content); }

  .slider-base .slider-thumb-label {
    background-color: var(--color-base-100);
    color: var(--color-base-content);
  }

  .slider-base .slider-thumb-label::after {
    border-top-color: var(--color-base-100);
  }

  /* Disabled State */
  .slider-disabled {
    opacity: 0.6;
    pointer-events: none;
  }

  .slider-disabled .slider-thumb {
    cursor: not-allowed;
  }

  /* Range Slider */
  .slider-range .slider-track-filled {
    left: var(--slider-start, 0%);
    width: var(--slider-range, 100%);
  }

  /* Vertical Slider */
  .slider-vertical {
    flex-direction: column;
    width: 2.5rem;
    height: 12rem;
  }

  .slider-vertical .slider-track {
    width: 0.25rem;
    height: 100%;
  }

  .slider-vertical .slider-track-filled {
    width: 100%;
    height: auto;
    bottom: 0;
    top: auto;
  }

  .slider-vertical .slider-thumb {
    left: 50%;
    top: auto;
    transform: translate(-50%, 50%);
  }

  .slider-vertical .slider-thumb-label {
    bottom: auto;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    margin-left: 0.5rem;
    margin-bottom: 0;
  }

  .slider-vertical .slider-thumb-label::after {
    top: 50%;
    left: auto;
    right: 100%;
    transform: translateY(-50%);
    border-top-color: transparent;
    border-right-color: var(--color-primary); /* overridden per-variant below */
  }

  /* Variant-specific vertical arrow colors (border-right-color cannot use currentColor
     since it must match the label background, not the text color) */
  .slider-secondary.slider-vertical .slider-thumb-label::after { border-right-color: var(--color-secondary); }
  .slider-tertiary.slider-vertical .slider-thumb-label::after  { border-right-color: var(--color-tertiary); }
  .slider-info.slider-vertical .slider-thumb-label::after      { border-right-color: var(--color-info); }
  .slider-success.slider-vertical .slider-thumb-label::after   { border-right-color: var(--color-success); }
  .slider-warning.slider-vertical .slider-thumb-label::after   { border-right-color: var(--color-warning); }
  .slider-error.slider-vertical .slider-thumb-label::after     { border-right-color: var(--color-error); }
  .slider-accent.slider-vertical .slider-thumb-label::after    { border-right-color: var(--color-accent); }
  .slider-neutral.slider-vertical .slider-thumb-label::after   { border-right-color: var(--color-neutral); }
  .slider-base.slider-vertical .slider-thumb-label::after      { border-right-color: var(--color-base-100); }

  .slider-vertical .slider-marks {
    flex-direction: column;
    top: 0;
    bottom: 0;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
  }

  .slider-vertical .slider-mark-label {
    top: 50%;
    left: 1rem;
    transform: translateY(-50%);
  }

  /* Input Integration */
  .slider-with-input {
    display: flex;
    align-items: center;
    gap: 1rem;
  }

  .slider-with-input .slider {
    flex: 1;
  }

  .slider-input {
    width: 4rem;
    padding: 0.5rem;
    font-size: 0.875rem;
    text-align: center;
    color: var(--color-on-surface);
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-xs);
  }

  .slider-input:focus {
    outline: none;
    border-color: currentColor;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .slider-thumb,
    .slider-thumb-label {
      transition: none;
    }
  }
}

/**
 * Switch Component Styles
 * DuskMoonUI - Material Design 3 inspired switch/toggle
 *
 * Usage: <input type="checkbox" class="switch" />
 * With label: <label class="switch-label"><input type="checkbox" class="switch" /><span>Label</span></label>
 */

@layer components {
  /* Base Switch - applied directly to input[type="checkbox"] */
  .switch {
    --switch-width: 3.25rem;
    --switch-height: 2rem;
    color: var(--color-on-surface);
    --switch-thumb-size: 1rem;
    --switch-color: var(--color-primary);
    --switch-content-color: var(--color-primary-content);
    --switch-container-color: var(--color-primary-container);
    --switch-track-color: var(--color-surface-container-highest);
    --switch-border-color: var(--color-outline);
    --switch-thumb-color: var(--color-outline);

    position: relative;
    display: inline-grid;
    grid-template-columns: 0fr 1fr 1fr;
    align-items: center;
    width: var(--switch-width);
    height: var(--switch-height);
    margin: 0;
    padding: 0.25rem;
    cursor: pointer;
    appearance: none;
    background-color: var(--switch-track-color);
    border: 2px solid var(--switch-border-color);
    border-radius: var(--switch-height);
    /* Use !important to override global * { transition } rules from layers */
    transition: background-color 200ms ease-in-out !important,
      border-color 200ms ease-in-out !important,
      grid-template-columns 200ms ease-in-out !important;
  }

  /* Thumb using ::before pseudo-element */
  .switch::before {
    content: "";
    grid-column: 2;
    width: var(--switch-thumb-size);
    height: var(--switch-thumb-size);
    background-color: var(--switch-thumb-color);
    border-radius: var(--radius-full);
    /* Use !important to override global * { transition } rules */
    transition: background-color 200ms ease-in-out !important,
      width 200ms ease-in-out !important,
      margin 200ms ease-in-out !important;
  }

  /* Checked State */
  .switch:checked {
    grid-template-columns: 1fr 1fr 0fr;
    background-color: var(--switch-color);
    border-color: var(--switch-color);
  }

  .switch:checked::before {
    background-color: var(--switch-content-color);
  }

  /* Hover State (unchecked) */
  .switch:hover:not(:disabled):not(:checked) {
    background-color: var(--color-surface-container-high);
  }

  .switch:hover:not(:disabled):not(:checked)::before {
    background-color: var(--color-on-surface-variant);
  }

  /* Hover State (checked) */
  .switch:checked:hover:not(:disabled) {
    background-color: color-mix(in oklch, var(--switch-color), black 10%);
    border-color: color-mix(in oklch, var(--switch-color), black 10%);
  }

  .switch:checked:hover:not(:disabled)::before {
    background-color: var(--switch-container-color);
  }

  /* Focus State */
  .switch:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--switch-color) 20%, transparent);
  }

  /* Pressed/Active State - expand thumb slightly */
  .switch:active:not(:disabled)::before {
    width: calc(var(--switch-thumb-size) + 0.25rem);
  }

  .switch:checked:active:not(:disabled)::before {
    margin-left: -0.25rem;
  }

  /* Disabled State */
  .switch:disabled {
    cursor: not-allowed;
    opacity: 0.38;
  }

  .switch:disabled:not(:checked) {
    background-color: color-mix(in oklch, var(--color-surface-container-highest) 12%, transparent);
    border-color: color-mix(in oklch, var(--color-on-surface) 12%, transparent);
  }

  .switch:disabled:not(:checked)::before {
    background-color: color-mix(in oklch, var(--color-on-surface) 38%, transparent);
  }

  .switch:disabled:checked {
    background-color: color-mix(in oklch, var(--color-on-surface) 12%, transparent);
    border-color: transparent;
  }

  .switch:disabled:checked::before {
    background-color: var(--color-surface);
  }

  /* ========================================
   * Size Variants
   * Thumb size = height - 4px (border) - 8px (padding/gap)
   * ======================================== */

  .switch-xs {
    --switch-width: 2rem;
    --switch-height: 1.25rem;
    --switch-thumb-size: 0.5rem;
  }

  .switch-sm {
    --switch-width: 2.5rem;
    --switch-height: 1.5rem;
    --switch-thumb-size: 0.75rem;
  }

  .switch-md {
    --switch-width: 3.25rem;
    --switch-height: 2rem;
    --switch-thumb-size: 1rem;
  }

  .switch-lg {
    --switch-width: 4rem;
    --switch-height: 2.5rem;
    --switch-thumb-size: 1.25rem;
  }

  .switch-xl {
    --switch-width: 4.75rem;
    --switch-height: 3rem;
    --switch-thumb-size: 1.5rem;
  }

  /* ========================================
   * Color Variants
   * ======================================== */

  .switch-primary {
    --switch-color: var(--color-primary);
    --switch-content-color: var(--color-primary-content);
    --switch-container-color: var(--color-primary-container);
  }

  .switch-secondary {
    --switch-color: var(--color-secondary);
    --switch-content-color: var(--color-secondary-content);
    --switch-container-color: var(--color-secondary-container);
  }

  .switch-tertiary {
    --switch-color: var(--color-tertiary);
    --switch-content-color: var(--color-tertiary-content);
    --switch-container-color: var(--color-tertiary-container);
  }

  .switch-success {
    --switch-color: var(--color-success);
    --switch-content-color: var(--color-success-content);
    --switch-container-color: var(--color-success-container);
  }

  .switch-warning {
    --switch-color: var(--color-warning);
    --switch-content-color: var(--color-warning-content);
    --switch-container-color: var(--color-warning-container);
  }

  .switch-error {
    --switch-color: var(--color-error);
    --switch-content-color: var(--color-error-content);
    --switch-container-color: var(--color-error-container);
  }

  .switch-info {
    --switch-color: var(--color-info);
    --switch-content-color: var(--color-info-content);
    --switch-container-color: var(--color-info-container);
  }

  .switch-accent {
    --switch-color: var(--color-accent);
    --switch-content-color: var(--color-accent-content);
    --switch-container-color: color-mix(in oklch, var(--color-accent) 20%, var(--color-surface));
  }

  .switch-neutral {
    --switch-color: var(--color-neutral);
    --switch-content-color: var(--color-neutral-content);
    --switch-container-color: color-mix(in oklch, var(--color-neutral) 20%, var(--color-surface));
  }

  .switch-base {
    --switch-color: var(--color-base-100);
    --switch-content-color: var(--color-base-content);
    --switch-container-color: color-mix(in oklch, var(--color-base-100) 20%, var(--color-surface));
  }

  /* Ghost Variant — borderless track */
  .switch-ghost {
    --switch-border-color: transparent;
    --switch-track-color: transparent;
  }

  /* ========================================
   * Switch with Label
   * ======================================== */

  .switch-label {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
    font-size: 0.875rem;
    color: var(--color-on-surface);
  }

  .switch-label:has(.switch:disabled) {
    cursor: not-allowed;
    opacity: 0.38;
  }

  /* ========================================
   * Switch Group
   * ======================================== */

  .switch-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }

  .switch-group-horizontal {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.5rem;
  }

  /* ========================================
   * Reduce Motion
   * ======================================== */

  @media (prefers-reduced-motion: reduce) {
    .switch,
    .switch::before {
      transition: none !important;
    }
  }
}

/**
 * Textarea Component Styles
 * DuskMoonUI - Material Design 3 inspired multi-line text input
 */

@layer components {
  /* ============================================
   * TEXTAREA CONTAINER
   * ============================================ */

  .textarea-container {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    width: 100%;
  }

  /* ============================================
   * TEXTAREA LABEL
   * ============================================ */

  .textarea-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25rem;
    color: var(--color-on-surface);
    margin-bottom: 0.25rem;
  }

  /* Floating Label */
  .textarea-label-floating {
    position: absolute;
    top: 0.75rem;
    left: 1rem;
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-on-surface-variant);
    pointer-events: none;
    transition: all 150ms ease-in-out;
    transform-origin: left top;
    z-index: 1;
  }

  /* Floating label active state - when textarea has content or focus */
  .textarea:focus ~ .textarea-label-floating,
  .textarea:not(:placeholder-shown) ~ .textarea-label-floating {
    top: -0.5rem;
    left: 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-primary);
    background-color: var(--color-surface);
    padding: 0 0.25rem;
  }

  /* Floating label for filled variant */
  .textarea-filled ~ .textarea-label-floating {
    background-color: transparent;
  }

  .textarea-filled:focus ~ .textarea-label-floating,
  .textarea-filled:not(:placeholder-shown) ~ .textarea-label-floating {
    top: 0.25rem;
    left: 0.75rem;
    background-color: transparent;
  }

  /* ============================================
   * HELPER TEXT
   * ============================================ */

  .textarea-helper {
    font-size: 0.75rem;
    line-height: 1rem;
    color: var(--color-on-surface-variant);
    margin-top: 0.25rem;
  }

  /* ============================================
   * BASE TEXTAREA
   * ============================================ */

  .textarea {
    display: block;
    width: 100%;
    min-height: 6rem;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5rem;
    font-family: inherit;
    color: var(--color-on-surface);
    background-color: var(--color-surface);
    border: 1px solid currentColor;
    border-radius: var(--radius-sm);
    outline: none;
    resize: vertical;
    transition: border-color 150ms ease-in-out, box-shadow 150ms ease-in-out;
  }

  .textarea::placeholder {
    color: var(--color-on-surface-variant);
    opacity: 0.7;
  }

  .textarea:hover:not(:disabled) {
    background-color: var(--color-surface-container);
  }

  .textarea:focus {
    outline: none;
  }

  .textarea:focus-visible {
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .textarea:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    background-color: var(--color-surface-container);
    resize: none;
  }

  .textarea[readonly] {
    background-color: var(--color-surface-container);
    cursor: default;
  }

  /* Full Width */
  .textarea-full {
    width: 100%;
  }

  /* ============================================
   * VARIANTS
   * ============================================ */

  /* Filled Variant */
  .textarea-filled {
    background-color: var(--color-surface-container);
    border: none;
    border-bottom: 2px solid var(--color-outline);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  }

  .textarea-filled:hover:not(:disabled) {
    background-color: var(--color-surface-container-high);
    border-bottom-color: var(--color-on-surface);
  }

  .textarea-filled:focus-visible {
    border-bottom-color: var(--color-primary);
    box-shadow: none;
  }

  .textarea-filled.textarea-primary:focus-visible { border-bottom-color: var(--color-primary); }
  .textarea-filled.textarea-secondary:focus-visible { border-bottom-color: var(--color-secondary); }
  .textarea-filled.textarea-tertiary:focus-visible { border-bottom-color: var(--color-tertiary); }
  .textarea-filled.textarea-info:focus-visible { border-bottom-color: var(--color-info); }
  .textarea-filled.textarea-success:focus-visible { border-bottom-color: var(--color-success); }
  .textarea-filled.textarea-warning:focus-visible { border-bottom-color: var(--color-warning); }
  .textarea-filled.textarea-error:focus-visible { border-bottom-color: var(--color-error); }
  .textarea-filled.textarea-accent:focus-visible { border-bottom-color: var(--color-accent); }
  .textarea-filled.textarea-neutral:focus-visible { border-bottom-color: var(--color-neutral); }
  .textarea-filled.textarea-base:focus-visible { border-bottom-color: var(--color-base-content); }

  /* Outlined Variant (default) */
  .textarea-outlined {
    background-color: transparent;
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-sm);
  }

  /* Ghost Variant */
  .textarea-ghost {
    background-color: transparent;
    border-color: transparent;
  }

  .textarea-ghost:hover:not(:disabled) {
    background-color: var(--color-surface-container);
    border-color: transparent;
  }

  .textarea-ghost:focus-visible {
    background-color: var(--color-surface-container);
    border-color: transparent;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* ============================================
   * COLOR VARIANTS
   * ============================================ */

  /* Color Variants — base .textarea:focus-visible uses currentColor 20%, so no per-variant
     focus-visible overrides needed; setting color: here is sufficient. */
  .textarea-primary   { color: var(--color-primary); }
  .textarea-secondary { color: var(--color-secondary); }
  .textarea-tertiary  { color: var(--color-tertiary); }

  /* ============================================
   * SEMANTIC COLORS
   * ============================================ */

  .textarea-info    { color: var(--color-info); }
  .textarea-success { color: var(--color-success); }
  .textarea-warning { color: var(--color-warning); }
  .textarea-error   { color: var(--color-error); }
  .textarea-accent  { color: var(--color-accent); }
  .textarea-neutral { color: var(--color-neutral); }
  .textarea-base    { color: var(--color-base-content); }

  /* ============================================
   * SIZE VARIANTS
   * ============================================ */

  .textarea-sm {
    min-height: 4rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    line-height: 1.25rem;
    border-radius: var(--radius-xs);
  }

  .textarea-lg {
    min-height: 8rem;
    padding: 1rem 1.25rem;
    font-size: 1.125rem;
    line-height: 1.75rem;
    border-radius: var(--radius-sm);
  }

  /* ============================================
   * RESIZE OPTIONS
   * ============================================ */

  .textarea-resize-none {
    resize: none;
  }

  .textarea-resize-vertical {
    resize: vertical;
  }

  .textarea-resize-horizontal {
    resize: horizontal;
  }

  .textarea-resize-both {
    resize: both;
  }

  /* ============================================
   * AUTO-RESIZE (requires JS)
   * ============================================ */

  .textarea-auto-resize,
  .textarea-autosize {
    resize: none;
    overflow: hidden;
    min-height: 3rem;
    field-sizing: content; /* Modern CSS - auto-grows without JS in supported browsers */
  }

  /* ============================================
   * CHARACTER COUNTER
   * ============================================ */

  .textarea-counter {
    font-size: 0.75rem;
    line-height: 1rem;
    color: var(--color-on-surface-variant);
    text-align: right;
  }

  .textarea-counter-error,
  .textarea-counter-exceeded {
    color: var(--color-error);
  }

  /* ============================================
   * CONTAINER STATES
   * ============================================ */

  .textarea-container-error .textarea-label {
    color: var(--color-error);
  }

  .textarea-container-error .textarea-helper {
    color: var(--color-error);
  }

  .textarea-container-error .textarea-label-floating {
    color: var(--color-error);
  }

  .textarea-container-error .textarea:focus ~ .textarea-label-floating {
    color: var(--color-error);
  }

  .textarea-container-success .textarea-label {
    color: var(--color-success);
  }

  .textarea-container-success .textarea-helper {
    color: var(--color-success);
  }

  .textarea-container-success .textarea-label-floating {
    color: var(--color-success);
  }

  .textarea-container-success .textarea:focus ~ .textarea-label-floating {
    color: var(--color-success);
  }

  /* ============================================
   * REDUCE MOTION
   * ============================================ */

  @media (prefers-reduced-motion: reduce) {
    .textarea,
    .textarea-label-floating {
      transition: none;
    }
  }
}

/**
 * Theme Controller Component Styles
 * DuskMoonUI - Two display modes for theme switching:
 *
 * 1. Switch (.theme-controller) — inline pill-shaped radio group, all options visible
 * 2. Dropdown (.theme-controller-dropdown) — <details>/<summary> with floating menu
 *
 * Both modes reuse .theme-controller-item (hidden radio) and .theme-controller-label
 * for CSS-only active state via :checked + label.
 */

@layer components {
  /* ========================================
   * SHARED — Radio input & label (used in both modes)
   * ======================================== */

  /* Hidden Radio Input — visually hidden but accessible */
  .theme-controller-item {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  /* Visible Label — the clickable option */
  .theme-controller-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25rem;
    color: var(--color-on-surface-variant);
    background-color: transparent;
    border-radius: calc(var(--radius-box, 1.5rem) - 0.25rem);
    cursor: pointer;
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out,
      box-shadow 150ms ease-in-out;
    user-select: none;
    white-space: nowrap;
  }

  /* Hover state */
  .theme-controller-label:hover {
    background-color: var(--color-surface-container-high);
  }

  /* Focus-visible ring on the label when its radio is focused */
  .theme-controller-item:focus-visible + .theme-controller-label {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Active/checked state */
  .theme-controller-item:checked + .theme-controller-label {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
    box-shadow: var(--shadow-xs);
  }

  .theme-controller-item:checked + .theme-controller-label:hover {
    background-color: color-mix(in oklch, var(--color-primary-container), black 5%);
  }

  /* ========================================
   * SWITCH MODE — inline pill radio group
   * ======================================== */

  .theme-controller {
    display: inline-flex;
    align-items: stretch;
    background-color: var(--color-surface-container);
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--radius-box, 1.5rem);
    padding: 0.25rem;
    gap: 0.125rem;
  }

  /* ── Switch Size Variants ── */

  .theme-controller-sm {
    padding: 0.125rem;
    border-radius: calc(var(--radius-box, 1.5rem) * 0.75);
  }

  .theme-controller-sm .theme-controller-label {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    line-height: 1rem;
    border-radius: calc(var(--radius-box, 1.5rem) * 0.75 - 0.125rem);
  }

  .theme-controller-lg {
    padding: 0.375rem;
    gap: 0.25rem;
    border-radius: calc(var(--radius-box, 1.5rem) * 1.25);
  }

  .theme-controller-lg .theme-controller-label {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    line-height: 1.5rem;
    border-radius: calc(var(--radius-box, 1.5rem) * 1.25 - 0.375rem);
  }

  /* ── Switch Icon-only Variant ── */

  .theme-controller-icon .theme-controller-label {
    padding: 0.5rem;
  }

  .theme-controller-icon.theme-controller-sm .theme-controller-label {
    padding: 0.375rem;
  }

  .theme-controller-icon.theme-controller-lg .theme-controller-label {
    padding: 0.75rem;
  }

  /* ========================================
   * DROPDOWN MODE — <details>/<summary> with floating menu
   * ======================================== */

  .theme-controller-dropdown {
    position: relative;
    display: inline-block;
  }

  /* Trigger button (<summary>) */
  .theme-controller-trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25rem;
    color: var(--color-on-surface);
    background-color: var(--color-surface-container);
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--radius-field, 0.5rem);
    cursor: pointer;
    user-select: none;
    transition: background-color 150ms ease-in-out;
    list-style: none;
  }

  .theme-controller-trigger::-webkit-details-marker {
    display: none;
  }

  .theme-controller-trigger:hover {
    background-color: var(--color-surface-container-high);
  }

  .theme-controller-trigger:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Chevron indicator */
  .theme-controller-trigger::after {
    content: '';
    display: inline-block;
    width: 0.5rem;
    height: 0.5rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    margin-top: -0.125rem;
    transition: transform 150ms ease-in-out;
  }

  .theme-controller-dropdown[open] .theme-controller-trigger::after {
    transform: rotate(-135deg);
    margin-top: 0.125rem;
  }

  /* Floating menu */
  .theme-controller-menu {
    position: absolute;
    top: calc(100% + 0.25rem);
    left: 0;
    z-index: 50;
    min-width: 100%;
    background-color: var(--color-surface-container);
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--radius-field, 0.5rem);
    padding: 0.25rem;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
  }

  /* Menu labels are full-width and left-aligned */
  .theme-controller-menu .theme-controller-label {
    width: 100%;
    justify-content: flex-start;
    border-radius: calc(var(--radius-field, 0.5rem) - 0.25rem);
  }

  /* ── Dropdown Size Variants ── */

  .theme-controller-dropdown-sm .theme-controller-trigger {
    padding: 0.375rem 0.625rem;
    font-size: 0.75rem;
    line-height: 1rem;
  }

  .theme-controller-dropdown-sm .theme-controller-menu {
    padding: 0.125rem;
  }

  .theme-controller-dropdown-sm .theme-controller-menu .theme-controller-label {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    line-height: 1rem;
  }

  .theme-controller-dropdown-lg .theme-controller-trigger {
    padding: 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5rem;
  }

  .theme-controller-dropdown-lg .theme-controller-menu {
    padding: 0.375rem;
  }

  .theme-controller-dropdown-lg .theme-controller-menu .theme-controller-label {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    line-height: 1.5rem;
  }

  /* ── Dropdown Icon-only Trigger ── */

  .theme-controller-dropdown-icon .theme-controller-trigger {
    padding: 0.5rem;
  }

  /* Hide chevron for icon-only trigger */
  .theme-controller-dropdown-icon .theme-controller-trigger::after {
    display: none;
  }

  .theme-controller-dropdown-icon.theme-controller-dropdown-sm .theme-controller-trigger {
    padding: 0.375rem;
  }

  .theme-controller-dropdown-icon.theme-controller-dropdown-lg .theme-controller-trigger {
    padding: 0.75rem;
  }

  /* ── Dropdown Alignment ── */

  .theme-controller-dropdown-end .theme-controller-menu {
    left: auto;
    right: 0;
  }

  /* ========================================
   * REDUCED MOTION
   * ======================================== */

  @media (prefers-reduced-motion: reduce) {
    .theme-controller-label,
    .theme-controller-trigger,
    .theme-controller-trigger::after {
      transition: none;
    }
  }
}

/**
 * Toggle Button Component Styles
 * DuskMoonUI - Material Design 3 inspired toggle button
 * Used for selecting between multiple options or toggling states
 */

@layer components {
  /* Base toggle button */
  .toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25rem;
    color: var(--color-on-surface);
    background-color: transparent;
    border: 1px solid currentColor;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    user-select: none;
  }

  /* Hover state */
  .toggle-btn:hover:not(:disabled) {
    background-color: color-mix(in oklch, var(--color-surface-variant) 50%, transparent);
  }

  /* Active/Selected state */
  .toggle-btn-active,
  .toggle-btn.active {
    color: var(--color-on-primary-container);
    background-color: var(--color-primary-container);
    border-color: var(--color-primary);
  }

  .toggle-btn-active:hover:not(:disabled),
  .toggle-btn.active:hover:not(:disabled) {
    background-color: color-mix(in oklch, var(--color-primary-container) 90%, transparent);
  }

  /* Primary variant */
  .toggle-btn-primary.toggle-btn-active,
  .toggle-btn-primary.active {
    color: var(--color-on-primary-container);
    background-color: var(--color-primary-container);
    border-color: var(--color-primary);
  }

  /* Secondary variant */
  .toggle-btn-secondary.toggle-btn-active,
  .toggle-btn-secondary.active {
    color: var(--color-on-secondary-container);
    background-color: var(--color-secondary-container);
    border-color: var(--color-secondary);
  }

  /* Tertiary variant */
  .toggle-btn-tertiary.toggle-btn-active,
  .toggle-btn-tertiary.active {
    color: var(--color-on-tertiary-container);
    background-color: var(--color-tertiary-container);
    border-color: var(--color-tertiary);
  }

  /* Info variant */
  .toggle-btn-info.toggle-btn-active,
  .toggle-btn-info.active {
    color: var(--color-on-info-container);
    background-color: var(--color-info-container);
    border-color: var(--color-info);
  }

  /* Success variant */
  .toggle-btn-success.toggle-btn-active,
  .toggle-btn-success.active {
    color: var(--color-on-success-container);
    background-color: var(--color-success-container);
    border-color: var(--color-success);
  }

  /* Warning variant */
  .toggle-btn-warning.toggle-btn-active,
  .toggle-btn-warning.active {
    color: var(--color-on-warning-container);
    background-color: var(--color-warning-container);
    border-color: var(--color-warning);
  }

  /* Error variant */
  .toggle-btn-error.toggle-btn-active,
  .toggle-btn-error.active {
    color: var(--color-on-error-container);
    background-color: var(--color-error-container);
    border-color: var(--color-error);
  }

  /* Accent variant */
  .toggle-btn-accent.toggle-btn-active,
  .toggle-btn-accent.active {
    color: var(--color-on-surface);
    background-color: color-mix(in oklch, var(--color-accent) 15%, var(--color-surface));
    border-color: var(--color-accent);
  }

  /* Neutral variant */
  .toggle-btn-neutral.toggle-btn-active,
  .toggle-btn-neutral.active {
    color: var(--color-on-surface);
    background-color: color-mix(in oklch, var(--color-neutral) 15%, var(--color-surface));
    border-color: var(--color-neutral);
  }

  /* Base variant */
  .toggle-btn-base.toggle-btn-active,
  .toggle-btn-base.active {
    color: var(--color-base-content);
    background-color: var(--color-base-200);
    border-color: var(--color-base-content);
  }

  /* Ghost Variant */
  .toggle-btn-ghost {
    background-color: transparent;
    border-color: transparent;
  }
  .toggle-btn-ghost:hover:not(:disabled) {
    background-color: var(--color-surface-container);
    border-color: transparent;
  }

  .toggle-btn-ghost.toggle-btn-primary   { color: var(--color-primary); }
  .toggle-btn-ghost.toggle-btn-secondary { color: var(--color-secondary); }
  .toggle-btn-ghost.toggle-btn-tertiary  { color: var(--color-tertiary); }
  .toggle-btn-ghost.toggle-btn-info      { color: var(--color-info); }
  .toggle-btn-ghost.toggle-btn-success   { color: var(--color-success); }
  .toggle-btn-ghost.toggle-btn-warning   { color: var(--color-warning); }
  .toggle-btn-ghost.toggle-btn-error     { color: var(--color-error); }
  .toggle-btn-ghost.toggle-btn-accent    { color: var(--color-accent); }
  .toggle-btn-ghost.toggle-btn-neutral   { color: var(--color-neutral); }
  .toggle-btn-ghost.toggle-btn-base      { color: var(--color-base-content); }

  /* Focus state */
  .toggle-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Disabled state */
  .toggle-btn:disabled,
  .toggle-btn-disabled {
    opacity: 0.38;
    cursor: not-allowed;
    pointer-events: none;
  }

  /* Size variants */
  .toggle-btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
    gap: 0.375rem;
  }

  .toggle-btn-lg {
    padding: 0.75rem 1.25rem;
    font-size: 1rem;
    gap: 0.625rem;
  }

  /* Toggle button group */
  .toggle-group {
    display: inline-flex;
    align-items: center;
    gap: 0;
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-sm);
    padding: 0.25rem;
    background-color: color-mix(in oklch, var(--color-surface-variant) 30%, transparent);
  }

  /* Toggle buttons in group */
  .toggle-group .toggle-btn {
    border: none;
    border-radius: var(--radius-xs);
    margin: 0;
  }

  .toggle-group .toggle-btn:not(:last-child) {
    margin-right: 0.125rem;
  }

  /* Vertical group */
  .toggle-group-vertical {
    flex-direction: column;
  }

  .toggle-group-vertical .toggle-btn:not(:last-child) {
    margin-right: 0;
    margin-bottom: 0.125rem;
  }

  /* Exclusive selection (radio-like behavior) */
  .toggle-group-exclusive .toggle-btn {
    flex: 1;
  }

  /* Icon-only toggle */
  .toggle-btn-icon-only {
    padding: 0.625rem;
    aspect-ratio: 1;
  }

  .toggle-btn-icon-only.toggle-btn-sm {
    padding: 0.5rem;
  }

  .toggle-btn-icon-only.toggle-btn-lg {
    padding: 0.875rem;
  }

  /* With icon */
  .toggle-icon {
    width: 1.125rem;
    height: 1.125rem;
    flex-shrink: 0;
  }

  /* Segmented control style */
  .toggle-segmented {
    display: inline-flex;
    align-items: center;
    gap: 0;
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--radius-sm);
    padding: 0.25rem;
  }

  .toggle-segmented .toggle-btn {
    border: none;
    background-color: transparent;
    border-radius: var(--radius-xs);
  }

  .toggle-segmented .toggle-btn.toggle-btn-active,
  .toggle-segmented .toggle-btn.active {
    background-color: var(--color-surface-variant);
    border-color: transparent;
    box-shadow: var(--shadow-sm);
  }

  /* Chip-like toggle */
  .toggle-chip {
    border-radius: var(--radius-lg);
    padding: 0.5rem 1rem;
  }

  .toggle-chip.toggle-btn-active,
  .toggle-chip.active {
    background-color: var(--color-primary-container);
    border-color: var(--color-primary-container);
  }

  /* Outlined variant */
  .toggle-outlined {
    background-color: transparent;
  }

  .toggle-outlined.toggle-btn-active,
  .toggle-outlined.active {
    background-color: color-mix(in oklch, var(--color-primary) 10%, transparent);
  }

  /* Filled variant */
  .toggle-filled {
    background-color: var(--color-surface-variant);
    border: none;
  }

  .toggle-filled.toggle-btn-active,
  .toggle-filled.active {
    background-color: var(--color-primary);
    color: var(--color-primary-content);
  }

  /* With badge/indicator */
  .toggle-badge {
    position: relative;
  }

  .toggle-badge::after {
    content: "";
    position: absolute;
    top: 0.25rem;
    right: 0.25rem;
    width: 0.5rem;
    height: 0.5rem;
    background-color: var(--color-error);
    border-radius: var(--radius-full);
    border: 2px solid var(--color-surface);
  }

  /* Full width */
  .toggle-full {
    width: 100%;
  }

  .toggle-group-full {
    width: 100%;
  }

  .toggle-group-full .toggle-btn {
    flex: 1;
  }

  /* Loading state */
  .toggle-loading {
    position: relative;
    pointer-events: none;
  }

  .toggle-loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1rem;
    height: 1rem;
    margin-top: -0.5rem;
    margin-left: -0.5rem;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: var(--radius-full);
    animation: toggle-spin 0.6s linear infinite;
  }

  @keyframes toggle-spin {
    0% {
      transform: rotate(0deg);
    }
    100% {
      transform: rotate(360deg);
    }
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .toggle-btn {
      transition: none;
    }
    .toggle-loading::after {
      animation: none;
    }
  }
}

/**
 * Time Input Component Styles
 * DuskMoonUI - Time selection input component
 */

@layer components {
  /* Base Time Input */
  .time-input {
    position: relative;
    display: inline-flex;
    align-items: center;
    width: 100%;
  }

  .time-input-field {
    display: flex;
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5rem;
    color: var(--color-on-surface);
    background-color: var(--color-surface);
    border: 1px solid currentColor;
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color 150ms ease-in-out, box-shadow 150ms ease-in-out;
  }

  .time-input-field:hover:not(:disabled) {
    background-color: var(--color-surface-container);
  }

  .time-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .time-input-field:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    background-color: var(--color-surface-container);
  }

  /* Time Icon */
  .time-input-icon {
    position: absolute;
    right: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-on-surface-variant);
    pointer-events: none;
  }

  /* Time Input Segments (hour:minute:second) */
  .time-input-segments {
    display: inline-flex;
    align-items: center;
    gap: 0.125rem;
    padding: 0.75rem 1rem;
    background-color: var(--color-surface);
    border: 1px solid currentColor;
    border-radius: var(--radius-sm);
  }

  .time-input-segment {
    width: 2rem;
    padding: 0.25rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    color: var(--color-on-surface);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-xs);
    outline: none;
    transition: background-color 150ms ease-in-out;
  }

  .time-input-segment:focus {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  .time-input-separator {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-on-surface-variant);
  }

  /* AM/PM Toggle */
  .time-input-period {
    display: inline-flex;
    margin-left: 0.5rem;
    background-color: var(--color-surface-container);
    border-radius: var(--radius-xs);
    padding: 0.125rem;
  }

  .time-input-period-btn {
    padding: 0.375rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-on-surface-variant);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out;
  }

  .time-input-period-btn:hover {
    background-color: var(--color-surface-container-high);
  }

  .time-input-period-btn-active {
    background-color: var(--color-primary);
    color: var(--color-primary-content);
  }

  /* Size Variants */
  .time-input-sm .time-input-field {
    padding: 0.5rem 2rem 0.5rem 0.75rem;
    font-size: 0.875rem;
    border-radius: var(--radius-xs);
  }

  .time-input-sm .time-input-segment {
    width: 1.75rem;
    font-size: 0.875rem;
  }

  .time-input-lg .time-input-field {
    padding: 1rem 3rem 1rem 1.25rem;
    font-size: 1.125rem;
    border-radius: var(--radius-sm);
  }

  .time-input-lg .time-input-segment {
    width: 2.5rem;
    font-size: 1.125rem;
  }

  /* Filled Variant */
  .time-input-filled .time-input-field,
  .time-input-filled .time-input-segments {
    background-color: var(--color-surface-container);
    border: none;
    border-bottom: 2px solid var(--color-outline);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  }

  .time-input-filled .time-input-field:focus,
  .time-input-filled .time-input-segments:focus-within {
    border-bottom-color: currentColor;
    box-shadow: none;
  }

  /* Color Variants */
  .time-input-primary .time-input-field,
  .time-input-primary .time-input-segments {
    color: var(--color-primary);
  }

  .time-input-primary .time-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-primary) 10%, transparent);
  }

  .time-input-secondary .time-input-field,
  .time-input-secondary .time-input-segments {
    color: var(--color-secondary);
  }

  .time-input-secondary .time-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-secondary) 10%, transparent);
  }

  .time-input-tertiary .time-input-field,
  .time-input-tertiary .time-input-segments {
    color: var(--color-tertiary);
  }

  .time-input-tertiary .time-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-tertiary) 10%, transparent);
  }

  .time-input-info .time-input-field,
  .time-input-info .time-input-segments {
    color: var(--color-info);
  }

  .time-input-info .time-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-info) 10%, transparent);
  }

  .time-input-success .time-input-field,
  .time-input-success .time-input-segments {
    color: var(--color-success);
  }

  .time-input-success .time-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-success) 10%, transparent);
  }

  .time-input-warning .time-input-field,
  .time-input-warning .time-input-segments {
    color: var(--color-warning);
  }

  .time-input-warning .time-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-warning) 10%, transparent);
  }

  .time-input-error .time-input-field,
  .time-input-error .time-input-segments {
    color: var(--color-error);
  }

  .time-input-error .time-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-error) 10%, transparent);
  }

  .time-input-accent .time-input-field,
  .time-input-accent .time-input-segments {
    color: var(--color-accent);
  }

  .time-input-accent .time-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-accent) 10%, transparent);
  }

  .time-input-neutral .time-input-field,
  .time-input-neutral .time-input-segments {
    color: var(--color-neutral);
  }

  .time-input-neutral .time-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-neutral) 10%, transparent);
  }

  .time-input-base .time-input-field,
  .time-input-base .time-input-segments {
    color: var(--color-base-content);
  }

  .time-input-base .time-input-field:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-base-content) 10%, transparent);
  }

  /* Ghost Variant */
  .time-input-ghost .time-input-field,
  .time-input-ghost .time-input-segments {
    background-color: transparent;
    border-color: transparent;
  }

  .time-input-ghost .time-input-field:focus {
    background-color: var(--color-surface-container);
    border-color: transparent;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Time Picker Dropdown */
  .time-picker-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 50;
    display: none;
    min-width: 12rem;
    margin-top: 0.25rem;
    padding: 0.5rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
  }

  .time-picker-dropdown-open {
    display: block;
  }

  .time-picker-columns {
    display: flex;
    gap: 0.5rem;
    max-height: 12rem;
  }

  .time-picker-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    overflow-y: auto;
  }

  .time-picker-option {
    padding: 0.375rem 0.5rem;
    font-size: 0.875rem;
    text-align: center;
    color: var(--color-on-surface);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: background-color 150ms ease-in-out;
  }

  .time-picker-option:hover {
    background-color: var(--color-surface-container);
  }

  .time-picker-option-selected {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .time-input-field,
    .time-input-segment,
    .time-input-period-btn,
    .time-picker-option {
      transition: none;
    }
  }
}

/**
 * Tree Select Component Styles
 * DuskMoonUI - Hierarchical dropdown selection component
 */

@layer components {
  /* Base Tree Select */
  .tree-select {
    position: relative;
    display: inline-flex;
    flex-direction: column;
    width: 100%;
  }

  /* Tree Select Trigger */
  .tree-select-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5rem;
    color: var(--color-on-surface);
    background-color: var(--color-surface);
    border: 1px solid currentColor;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color 150ms ease-in-out, box-shadow 150ms ease-in-out;
  }

  .tree-select-trigger:hover:not(:disabled) {
    background-color: var(--color-surface-container);
  }

  .tree-select-trigger:focus {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .tree-select-trigger:disabled,
  .tree-select-trigger[aria-disabled="true"] {
    cursor: not-allowed;
    opacity: 0.5;
    background-color: var(--color-surface-container);
  }

  /* Support for div-based trigger (when using clear button) */
  div.tree-select-trigger {
    user-select: none;
  }

  div.tree-select-trigger:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Value Display */
  .tree-select-value {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--color-on-surface-variant);
  }

  .tree-select-value-selected {
    color: var(--color-on-surface);
  }

  /* Path Breadcrumb Display */
  .tree-select-path {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  /* Dropdown Arrow */
  .tree-select-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-on-surface-variant);
    flex-shrink: 0;
    transition: transform 150ms ease-in-out;
  }

  .tree-select-open .tree-select-arrow {
    transform: rotate(180deg);
  }

  /* Clear Button */
  .tree-select-clear {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    padding: 0;
    color: var(--color-on-surface-variant);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    flex-shrink: 0;
    transition: background-color 150ms ease-in-out;
  }

  .tree-select-clear:hover {
    background-color: var(--color-surface-container-high);
  }

  .tree-select-clear svg {
    width: 1rem;
    height: 1rem;
  }

  /* Tree Select Dropdown */
  .tree-select-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 50;
    display: none;
    max-height: 20rem;
    margin-top: 0.25rem;
    padding: 0.5rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    overflow-y: auto;
  }

  .tree-select-open .tree-select-dropdown {
    display: block;
  }

  /* Popover API Support */
  .tree-select-dropdown[popover] {
    /* Reset browser defaults for proper positioning */
    position: absolute;
    inset: unset;
    margin: 0;
    border: 1px solid var(--color-outline-variant);
  }

  .tree-select-dropdown[popover]:popover-open {
    display: block;
  }

  /* CSS Anchor Positioning for modern browsers */
  @supports (anchor-name: --tree-select) {
    .tree-select {
      anchor-name: --tree-select;
    }

    .tree-select-dropdown[popover] {
      position-anchor: --tree-select;
      top: anchor(bottom);
      left: anchor(left);
      right: anchor(right);
      position-try-fallbacks: flip-block;
    }
  }

  /* Search Input in Dropdown */
  .tree-select-search {
    display: flex;
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-outline-variant);
  }

  .tree-select-search-input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    color: var(--color-on-surface);
    background-color: var(--color-surface-container);
    border: none;
    border-radius: var(--radius-xs);
    outline: none;
  }

  .tree-select-search-input:focus {
    background-color: var(--color-surface-container-high);
  }

  /* Options Container */
  .tree-select-options {
    display: flex;
    flex-direction: column;
  }

  /* Tree Node */
  .tree-select-node {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    color: var(--color-on-surface);
    background-color: transparent;
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: background-color 150ms ease-in-out;
  }

  .tree-select-node:hover {
    background-color: var(--color-surface-container);
  }

  .tree-select-node-selected {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  .tree-select-node-selected:hover {
    background-color: color-mix(in oklch, var(--color-primary-container), black 5%);
  }

  /* Leaf Node (no children) */
  .tree-select-node-leaf {
    padding-left: 2rem;
  }

  /* Expand/Collapse Toggle */
  .tree-select-node-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    padding: 0;
    color: var(--color-on-surface-variant);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-xs);
    cursor: pointer;
    flex-shrink: 0;
    transition: transform 150ms ease-in-out;
  }

  .tree-select-node-toggle:hover {
    background-color: var(--color-surface-container-high);
  }

  .tree-select-node-expanded .tree-select-node-toggle,
  .tree-select-node-expanded > .tree-select-node-toggle {
    transform: rotate(90deg);
  }

  /* Toggle Icon */
  .tree-select-node-icon {
    width: 1rem;
    height: 1rem;
  }

  /* Node Label */
  .tree-select-node-label {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  /* Custom Node Icon */
  .tree-select-node-custom-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-on-surface-variant);
    flex-shrink: 0;
  }

  /* Children Container */
  .tree-select-children {
    display: none;
    padding-left: 1.5rem;
  }

  .tree-select-node-expanded + .tree-select-children {
    display: block;
  }

  /* Checkbox for Multi-Select */
  .tree-select-checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
  }

  .tree-select-checkbox-input {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
  }

  .tree-select-checkbox-box {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1rem;
    height: 1rem;
    background-color: transparent;
    border: 2px solid var(--color-on-surface-variant);
    border-radius: var(--radius-xs);
    transition: background-color 150ms ease-in-out, border-color 150ms ease-in-out;
  }

  .tree-select-checkbox-input:checked + .tree-select-checkbox-box {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
  }

  .tree-select-checkbox-input:checked + .tree-select-checkbox-box::after {
    content: '';
    display: block;
    width: 0.375rem;
    height: 0.625rem;
    border: 2px solid var(--color-primary-content);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) translateY(-1px);
  }

  /* Empty State */
  .tree-select-empty {
    padding: 1rem;
    text-align: center;
    color: var(--color-on-surface-variant);
    font-size: 0.875rem;
  }

  /* Size Variants */
  .tree-select-sm .tree-select-trigger {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    border-radius: var(--radius-xs);
  }

  .tree-select-lg .tree-select-trigger {
    padding: 1rem 1.25rem;
    font-size: 1.125rem;
    border-radius: var(--radius-sm);
  }

  /* Outlined Variant (Default) */
  .tree-select-outlined .tree-select-trigger {
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline);
  }

  /* Filled Variant */
  .tree-select-filled .tree-select-trigger {
    background-color: var(--color-surface-container);
    border: none;
    border-bottom: 2px solid var(--color-outline);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  }

  .tree-select-filled .tree-select-trigger:focus {
    border-bottom-color: currentColor;
    box-shadow: none;
  }

  /* Multiple Selection Mode */
  .tree-select-multiple .tree-select-value {
    flex-wrap: wrap;
    gap: 0.25rem;
  }

  /* Color Variants */
  .tree-select-primary .tree-select-trigger {
    color: var(--color-primary);
  }
  .tree-select-primary .tree-select-trigger:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-primary) 10%, transparent);
  }

  .tree-select-secondary .tree-select-trigger {
    color: var(--color-secondary);
  }
  .tree-select-secondary .tree-select-trigger:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-secondary) 10%, transparent);
  }

  .tree-select-tertiary .tree-select-trigger {
    color: var(--color-tertiary);
  }
  .tree-select-tertiary .tree-select-trigger:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-tertiary) 10%, transparent);
  }

  .tree-select-info .tree-select-trigger {
    color: var(--color-info);
  }
  .tree-select-info .tree-select-trigger:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-info) 10%, transparent);
  }

  .tree-select-success .tree-select-trigger {
    color: var(--color-success);
  }
  .tree-select-success .tree-select-trigger:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-success) 10%, transparent);
  }

  .tree-select-warning .tree-select-trigger {
    color: var(--color-warning);
  }
  .tree-select-warning .tree-select-trigger:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-warning) 10%, transparent);
  }

  .tree-select-error .tree-select-trigger {
    color: var(--color-error);
  }
  .tree-select-error .tree-select-trigger:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-error) 10%, transparent);
  }

  .tree-select-accent .tree-select-trigger {
    color: var(--color-accent);
  }
  .tree-select-accent .tree-select-trigger:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-accent) 10%, transparent);
  }

  .tree-select-neutral .tree-select-trigger {
    color: var(--color-neutral);
  }
  .tree-select-neutral .tree-select-trigger:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-neutral) 10%, transparent);
  }

  .tree-select-base .tree-select-trigger {
    color: var(--color-base-content);
  }
  .tree-select-base .tree-select-trigger:focus {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-base-content) 10%, transparent);
  }

  /* Ghost Variant */
  .tree-select-ghost .tree-select-trigger {
    background-color: transparent;
    border-color: transparent;
  }
  .tree-select-ghost .tree-select-trigger:focus {
    background-color: var(--color-surface-container);
    border-color: transparent;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Disabled State */
  .tree-select-disabled .tree-select-trigger {
    cursor: not-allowed;
    opacity: 0.5;
    background-color: var(--color-surface-container);
  }

  /* Loading State */
  .tree-select-loading .tree-select-trigger {
    cursor: wait;
  }

  .tree-select-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--color-outline);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: tree-select-spin 0.8s linear infinite;
  }

  @keyframes tree-select-spin {
    to { transform: rotate(360deg); }
  }

  /* Multi-select Tags */
  .tree-select-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    flex: 1;
  }

  .tree-select-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.125rem 0.5rem;
    font-size: 0.75rem;
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
    border-radius: var(--radius-lg);
  }

  .tree-select-tag-remove {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 0.875rem;
    height: 0.875rem;
    padding: 0;
    color: inherit;
    background-color: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    opacity: 0.7;
  }

  .tree-select-tag-remove:hover {
    opacity: 1;
    background-color: color-mix(in oklch, currentColor 10%, transparent);
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .tree-select-trigger,
    .tree-select-arrow,
    .tree-select-node-toggle,
    .tree-select-node,
    .tree-select-checkbox-box {
      transition: none;
    }
    .tree-select-spinner {
      animation: none;
    }
  }
}


/* ============================================
 * FEEDBACK COMPONENTS
 * ============================================ */

/**
 * Alert Component Styles
 * DuskMoonUI - Material Design 3 inspired alert system
 */

@layer components {
  /* Base Alert */
  .alert {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: var(--radius-sm);
    background-color: var(--color-surface-container);
    color: var(--color-on-surface);
    border: 1px solid var(--color-outline);
  }

  /* Alert Icon */
  .alert-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    font-size: 1.25rem;
    flex-shrink: 0;
  }

  /* Alert Content */
  .alert-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
    min-width: 0;
  }

  .alert-title {
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.25rem;
  }

  .alert-description {
    font-size: 0.875rem;
    line-height: 1.25rem;
    opacity: 0.9;
  }

  /* Alert Close Button */
  .alert-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    font-size: 1rem;
    color: currentColor;
    opacity: 0.7;
    background-color: transparent;
    border: none;
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: opacity 150ms ease-in-out;
    flex-shrink: 0;
    margin-left: auto;
  }

  .alert-close:hover {
    opacity: 1;
  }

  .alert-close:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Type Variants */
  .alert-info {
    background-color: var(--color-info-container);
    color: var(--color-on-info-container);
    border-color: transparent;
  }

  .alert-success {
    background-color: var(--color-success-container);
    color: var(--color-on-success-container);
    border-color: transparent;
  }

  .alert-warning {
    background-color: var(--color-warning-container);
    color: var(--color-on-warning-container);
    border-color: transparent;
  }

  .alert-error {
    background-color: var(--color-error-container);
    color: var(--color-on-error-container);
    border-color: transparent;
  }

  .alert-primary {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
    border-color: transparent;
  }

  .alert-secondary {
    background-color: var(--color-secondary-container);
    color: var(--color-on-secondary-container);
    border-color: transparent;
  }

  .alert-tertiary {
    background-color: var(--color-tertiary-container);
    color: var(--color-on-tertiary-container);
    border-color: transparent;
  }

  .alert-accent {
    background-color: color-mix(in oklch, var(--color-accent) 15%, var(--color-surface));
    color: var(--color-on-surface);
    border-color: transparent;
  }

  .alert-neutral {
    background-color: color-mix(in oklch, var(--color-neutral) 15%, var(--color-surface));
    color: var(--color-on-surface);
    border-color: transparent;
  }

  .alert-base {
    background-color: var(--color-base-200);
    color: var(--color-base-content);
    border-color: transparent;
  }

  /* Filled Variants */
  .alert-filled.alert-info {
    background-color: var(--color-info);
    color: var(--color-info-content);
  }

  .alert-filled.alert-success {
    background-color: var(--color-success);
    color: var(--color-success-content);
  }

  .alert-filled.alert-warning {
    background-color: var(--color-warning);
    color: var(--color-warning-content);
  }

  .alert-filled.alert-error {
    background-color: var(--color-error);
    color: var(--color-error-content);
  }

  .alert-filled.alert-primary {
    background-color: var(--color-primary);
    color: var(--color-primary-content);
  }

  .alert-filled.alert-secondary {
    background-color: var(--color-secondary);
    color: var(--color-secondary-content);
  }

  .alert-filled.alert-tertiary {
    background-color: var(--color-tertiary);
    color: var(--color-tertiary-content);
  }

  .alert-filled.alert-accent {
    background-color: var(--color-accent);
    color: var(--color-accent-content);
  }

  .alert-filled.alert-neutral {
    background-color: var(--color-neutral);
    color: var(--color-neutral-content);
  }

  .alert-filled.alert-base {
    background-color: var(--color-base-100);
    color: var(--color-base-content);
  }

  /* Outlined Variants */
  .alert-outlined {
    background-color: transparent;
  }

  .alert-outlined.alert-info {
    border-color: var(--color-info);
    color: var(--color-info);
  }

  .alert-outlined.alert-success {
    border-color: var(--color-success);
    color: var(--color-success);
  }

  .alert-outlined.alert-warning {
    border-color: var(--color-warning);
    color: var(--color-warning);
  }

  .alert-outlined.alert-error {
    border-color: var(--color-error);
    color: var(--color-error);
  }

  .alert-outlined.alert-primary {
    border-color: var(--color-primary);
    color: var(--color-primary);
  }

  .alert-outlined.alert-secondary {
    border-color: var(--color-secondary);
    color: var(--color-secondary);
  }

  .alert-outlined.alert-tertiary {
    border-color: var(--color-tertiary);
    color: var(--color-tertiary);
  }

  .alert-outlined.alert-accent {
    border-color: var(--color-accent);
    color: var(--color-accent);
  }

  .alert-outlined.alert-neutral {
    border-color: var(--color-neutral);
    color: var(--color-neutral);
  }

  .alert-outlined.alert-base {
    border-color: var(--color-base-content);
    color: var(--color-base-content);
  }

  /* Ghost Variant */
  .alert-ghost {
    background-color: transparent;
    border-color: transparent;
  }

  .alert-ghost.alert-primary   { color: var(--color-primary); }
  .alert-ghost.alert-secondary { color: var(--color-secondary); }
  .alert-ghost.alert-tertiary  { color: var(--color-tertiary); }
  .alert-ghost.alert-info      { color: var(--color-info); }
  .alert-ghost.alert-success   { color: var(--color-success); }
  .alert-ghost.alert-warning   { color: var(--color-warning); }
  .alert-ghost.alert-error     { color: var(--color-error); }
  .alert-ghost.alert-accent    { color: var(--color-accent); }
  .alert-ghost.alert-neutral   { color: var(--color-neutral); }
  .alert-ghost.alert-base      { color: var(--color-base-content); }

  /* Dismissible */
  .alert-dismissible {
    padding-right: 2.5rem;
    position: relative;
  }

  .alert-dismissible .alert-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
  }

  /* Compact */
  .alert-compact {
    padding: 0.625rem 0.875rem;
    gap: 0.5rem;
  }

  .alert-compact .alert-icon {
    width: 1.25rem;
    height: 1.25rem;
    font-size: 1rem;
  }

  .alert-compact .alert-title,
  .alert-compact .alert-description {
    font-size: 0.8125rem;
  }

  /* Alert Actions */
  .alert-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
  }

  /* Banner Style (full width) */
  .alert-banner {
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .alert-close {
      transition: none;
    }
  }
}

/**
 * Dialog Component Styles
 * DuskMoonUI - Material Design 3 inspired dialog system
 * Uses native HTML <dialog> element for accessibility and built-in functionality
 */

@layer components {
  /* Native Dialog Element */
  dialog.dialog {
    position: fixed;
    margin: auto;
    padding: 0;
    border: none;
    width: 100%;
    max-width: 28rem;
    max-height: calc(100vh - 4rem);
    background-color: var(--color-surface);
    color: var(--color-on-surface);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
  }

  /* Dialog Backdrop (native ::backdrop) */
  dialog.dialog::backdrop {
    background-color: color-mix(in srgb, var(--color-scrim) 50%, transparent);
  }

  /* Dialog Box - inner container for flex layout */
  .dialog-box {
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 4rem);
    overflow: hidden;
  }

  /* Dialog Header */
  .dialog-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 1.5rem 0;
  }

  .dialog-title {
    flex: 1;
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.75rem;
    margin: 0;
    color: var(--color-on-surface);
  }

  /* Dialog Close Button */
  .dialog-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    font-size: 1.25rem;
    color: var(--color-on-surface-variant);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out;
    flex-shrink: 0;
  }

  .dialog-close:hover {
    background-color: var(--color-surface-container);
    color: var(--color-on-surface);
  }

  .dialog-close:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Dialog Body */
  .dialog-body {
    padding: 1rem 1.5rem;
    overflow-y: auto;
    color: var(--color-on-surface-variant);
    line-height: 1.5;
  }

  /* Dialog Footer */
  .dialog-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 1rem 1.5rem 1.5rem;
  }

  .dialog-footer-start {
    justify-content: flex-start;
  }

  .dialog-footer-center {
    justify-content: center;
  }

  .dialog-footer-between {
    justify-content: space-between;
  }

  /* Size Variants */
  dialog.dialog.dialog-sm {
    max-width: 20rem;
  }

  dialog.dialog.dialog-lg {
    max-width: 40rem;
  }

  dialog.dialog.dialog-xl {
    max-width: 56rem;
  }

  dialog.dialog.dialog-fullscreen {
    max-width: 100%;
    max-height: 100%;
    width: 100%;
    height: 100%;
    border-radius: 0;
    margin: 0;
  }

  dialog.dialog.dialog-fullscreen .dialog-box {
    max-height: 100%;
  }

  /* Position Variants */
  dialog.dialog.dialog-top {
    margin-top: 2rem;
    margin-bottom: auto;
  }

  dialog.dialog.dialog-bottom {
    margin-top: auto;
    margin-bottom: 2rem;
  }

  /* Scrollable Dialog */
  .dialog-scrollable .dialog-body {
    max-height: 50vh;
    overflow-y: auto;
  }

  /* Dialog Dividers */
  .dialog-divider .dialog-header {
    border-bottom: 1px solid var(--color-outline-variant);
    padding-bottom: 1rem;
  }

  .dialog-divider .dialog-footer {
    border-top: 1px solid var(--color-outline-variant);
    padding-top: 1rem;
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .dialog {
      transition: visibility 0ms, opacity 0ms;
    }

    .dialog-box {
      transition: transform 0ms;
    }
  }
}

/**
 * Progress Component Styles
 * DuskMoonUI - Material Design 3 inspired progress system
 */

@layer components {
  /* Base Progress (Linear) */
  .progress {
    position: relative;
    width: 100%;
    height: 0.5rem;
    background-color: var(--color-surface-container-highest);
    border-radius: var(--radius-full);
    overflow: hidden;
  }

  /* Progress Bar */
  .progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    transition: width 300ms ease-in-out;
  }

  /* Color Variants */
  .progress-primary .progress-bar {
    background-color: var(--color-primary);
  }

  .progress-secondary .progress-bar {
    background-color: var(--color-secondary);
  }

  .progress-tertiary .progress-bar {
    background-color: var(--color-tertiary);
  }

  .progress-info .progress-bar {
    background-color: var(--color-info);
  }

  .progress-success .progress-bar {
    background-color: var(--color-success);
  }

  .progress-warning .progress-bar {
    background-color: var(--color-warning);
  }

  .progress-error .progress-bar {
    background-color: var(--color-error);
  }

  .progress-accent .progress-bar {
    background-color: var(--color-accent);
  }

  .progress-neutral .progress-bar {
    background-color: var(--color-neutral);
  }

  .progress-base .progress-bar {
    background-color: var(--color-base-content);
  }

  /* Size Variants */
  .progress-xs {
    height: 0.25rem;
  }

  .progress-sm {
    height: 0.375rem;
  }

  .progress-lg {
    height: 0.75rem;
  }

  .progress-xl {
    height: 1rem;
  }

  /* Indeterminate Animation */
  .progress-indeterminate .progress-bar {
    width: 30%;
    animation: progress-indeterminate 1.5s infinite ease-in-out;
  }

  @keyframes progress-indeterminate {
    0% {
      left: -30%;
    }
    100% {
      left: 100%;
    }
  }

  /* Progress with Label */
  .progress-labeled {
    position: relative;
  }

  .progress-label {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--color-on-surface);
  }

  /* Striped Progress */
  .progress-striped .progress-bar {
    background-image: linear-gradient(
      45deg,
      rgba(255, 255, 255, 0.15) 25%,
      transparent 25%,
      transparent 50%,
      rgba(255, 255, 255, 0.15) 50%,
      rgba(255, 255, 255, 0.15) 75%,
      transparent 75%,
      transparent
    );
    background-size: 1rem 1rem;
  }

  .progress-striped.progress-animated .progress-bar {
    animation: progress-striped 1s linear infinite;
  }

  @keyframes progress-striped {
    from {
      background-position: 1rem 0;
    }
    to {
      background-position: 0 0;
    }
  }

  /* Circular Progress */
  .progress-circular {
    position: relative;
    width: 3rem;
    height: 3rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .progress-circular svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
  }

  .progress-circular-track {
    fill: none;
    stroke: var(--color-surface-container-highest);
    stroke-width: 4;
  }

  .progress-circular-bar {
    fill: none;
    stroke: var(--color-primary);
    stroke-width: 4;
    stroke-linecap: round;
    transition: stroke-dashoffset 300ms ease-in-out;
  }

  .progress-circular-label {
    position: absolute;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-on-surface);
  }

  /* Circular Size Variants */
  .progress-circular-sm {
    width: 2rem;
    height: 2rem;
  }

  .progress-circular-sm .progress-circular-label {
    font-size: 0.5rem;
  }

  .progress-circular-lg {
    width: 4rem;
    height: 4rem;
  }

  .progress-circular-lg .progress-circular-label {
    font-size: 1rem;
  }

  .progress-circular-xl {
    width: 6rem;
    height: 6rem;
  }

  .progress-circular-xl .progress-circular-label {
    font-size: 1.25rem;
  }

  /* Circular Indeterminate */
  .progress-circular-indeterminate svg {
    animation: progress-circular-rotate 2s linear infinite;
  }

  .progress-circular-indeterminate .progress-circular-bar {
    stroke-dasharray: 80, 200;
    stroke-dashoffset: 0;
    animation: progress-circular-dash 1.5s ease-in-out infinite;
  }

  @keyframes progress-circular-rotate {
    100% {
      transform: rotate(270deg);
    }
  }

  @keyframes progress-circular-dash {
    0% {
      stroke-dasharray: 1, 200;
      stroke-dashoffset: 0;
    }
    50% {
      stroke-dasharray: 100, 200;
      stroke-dashoffset: -15;
    }
    100% {
      stroke-dasharray: 100, 200;
      stroke-dashoffset: -125;
    }
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .progress-indeterminate .progress-bar,
    .progress-striped.progress-animated .progress-bar,
    .progress-circular-indeterminate svg,
    .progress-circular-indeterminate .progress-circular-bar {
      animation: none;
    }
  }
}

/**
 * Skeleton Component Styles
 * DuskMoonUI - Material Design 3 inspired skeleton loading system
 */

@layer components {
  /* Base Skeleton */
  .skeleton {
    background-color: var(--color-surface-container-high);
    border-radius: var(--radius-xs);
    animation: skeleton-pulse 2s ease-in-out infinite;
  }

  /* Skeleton Variants */
  .skeleton-text {
    height: 1rem;
    width: 100%;
    border-radius: var(--radius-xs);
  }

  .skeleton-circle {
    border-radius: var(--radius-full);
    aspect-ratio: 1;
  }

  .skeleton-rect {
    border-radius: var(--radius-sm);
  }

  .skeleton-rounded {
    border-radius: var(--radius-sm);
  }

  /* Size Variants */
  .skeleton-xs {
    height: 0.5rem;
  }

  .skeleton-sm {
    height: 0.75rem;
  }

  .skeleton-md {
    height: 1rem;
  }

  .skeleton-lg {
    height: 1.5rem;
  }

  .skeleton-xl {
    height: 2rem;
  }

  /* Common Skeleton Patterns */
  .skeleton-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
  }

  .skeleton-avatar-sm {
    width: 2rem;
    height: 2rem;
  }

  .skeleton-avatar-lg {
    width: 4rem;
    height: 4rem;
  }

  .skeleton-button {
    height: 2.5rem;
    width: 6rem;
    border-radius: var(--radius-sm);
  }

  .skeleton-image {
    aspect-ratio: 16 / 9;
    width: 100%;
    border-radius: var(--radius-sm);
  }

  .skeleton-card {
    width: 100%;
    border-radius: var(--radius-lg);
    padding: 1rem;
  }

  /* Line Patterns */
  .skeleton-line {
    height: 0.875rem;
    width: 100%;
    margin-bottom: 0.5rem;
    border-radius: var(--radius-xs);
  }

  .skeleton-line:last-child {
    width: 75%;
    margin-bottom: 0;
  }

  .skeleton-line-short {
    width: 40%;
  }

  .skeleton-line-medium {
    width: 70%;
  }

  /* Pulse Animation */
  @keyframes skeleton-pulse {
    0%, 100% {
      opacity: 1;
    }
    50% {
      opacity: 0.4;
    }
  }

  /* Wave Animation */
  .skeleton-wave {
    position: relative;
    overflow: hidden;
    animation: none;
  }

  .skeleton-wave::after {
    content: '';
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(
      90deg,
      transparent,
      rgba(255, 255, 255, 0.3),
      transparent
    );
    animation: skeleton-wave 1.5s infinite;
  }

  @keyframes skeleton-wave {
    100% {
      transform: translateX(100%);
    }
  }

  /* Skeleton Group */
  .skeleton-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }

  /* Card Skeleton Pattern */
  .skeleton-card-content {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }

  .skeleton-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }

  .skeleton-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  /* Table Skeleton */
  .skeleton-table {
    width: 100%;
  }

  .skeleton-table-row {
    display: flex;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-outline-variant);
  }

  .skeleton-table-cell {
    flex: 1;
    height: 1rem;
    border-radius: var(--radius-xs);
  }

  /* List Skeleton */
  .skeleton-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .skeleton-list-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .skeleton {
      animation: none;
    }

    .skeleton-wave::after {
      animation: none;
    }
  }
}

/**
 * Snackbar Component Styles
 * DuskMoonUI - Material Design 3 inspired snackbar system
 */

@layer components {
  /* Snackbar Container */
  .snackbar-container {
    position: fixed;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem;
    pointer-events: none;
  }

  /* Position Variants */
  .snackbar-container-bottom {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    align-items: center;
  }

  .snackbar-container-bottom-left {
    bottom: 0;
    left: 0;
    align-items: flex-start;
  }

  .snackbar-container-bottom-right {
    bottom: 0;
    right: 0;
    align-items: flex-end;
  }

  .snackbar-container-top {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    align-items: center;
  }

  .snackbar-container-top-left {
    top: 0;
    left: 0;
    align-items: flex-start;
  }

  .snackbar-container-top-right {
    top: 0;
    right: 0;
    align-items: flex-end;
  }

  /* Base Snackbar */
  .snackbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 20rem;
    max-width: 40rem;
    padding: 0.875rem 1rem;
    background-color: var(--color-surface-container-highest);
    color: var(--color-on-surface);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    pointer-events: auto;
    opacity: 0;
    transform: translateY(100%);
    transition: opacity 200ms ease-out, transform 200ms ease-out;
  }

  .snackbar-container-top .snackbar,
  .snackbar-container-top-left .snackbar,
  .snackbar-container-top-right .snackbar {
    transform: translateY(-100%);
  }

  /* Snackbar Open State */
  .snackbar.snackbar-open,
  .snackbar.snackbar-show,
  .snackbar.show {
    opacity: 1;
    transform: translateY(0);
  }

  /* Standalone Position Variants (for snackbar without container) */
  .snackbar.snackbar-bottom {
    position: fixed;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%) translateY(100%);
    z-index: 1100;
  }

  .snackbar.snackbar-bottom.snackbar-show {
    transform: translateX(-50%) translateY(0);
  }

  .snackbar.snackbar-bottom-left {
    position: fixed;
    bottom: 1rem;
    left: 1rem;
    z-index: 1100;
  }

  .snackbar.snackbar-bottom-right {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    z-index: 1100;
  }

  .snackbar.snackbar-top {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%) translateY(-100%);
    z-index: 1100;
  }

  .snackbar.snackbar-top.snackbar-show {
    transform: translateX(-50%) translateY(0);
  }

  .snackbar.snackbar-top-left {
    position: fixed;
    top: 1rem;
    left: 1rem;
    transform: translateY(-100%);
    z-index: 1100;
  }

  .snackbar.snackbar-top-left.snackbar-show {
    transform: translateY(0);
  }

  .snackbar.snackbar-top-right {
    position: fixed;
    top: 1rem;
    right: 1rem;
    transform: translateY(-100%);
    z-index: 1100;
  }

  .snackbar.snackbar-top-right.snackbar-show {
    transform: translateY(0);
  }

  .snackbar.snackbar-bottom-left.snackbar-show,
  .snackbar.snackbar-bottom-right.snackbar-show {
    transform: translateY(0);
  }

  /* Snackbar Message */
  .snackbar-message {
    flex: 1;
    font-size: 0.875rem;
    line-height: 1.25rem;
  }

  /* Snackbar Action */
  .snackbar-action {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: background-color 150ms ease-in-out;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .snackbar-action:hover {
    background-color: var(--color-primary-container);
  }

  .snackbar-action:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Snackbar Close */
  .snackbar-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    font-size: 1rem;
    color: var(--color-on-surface-variant);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color 150ms ease-in-out;
    flex-shrink: 0;
  }

  .snackbar-close:hover {
    background-color: var(--color-surface-container);
  }

  /* Color Variants */
  .snackbar-info {
    background-color: var(--color-info-container);
    color: var(--color-on-info-container);
  }

  .snackbar-success {
    background-color: var(--color-success-container);
    color: var(--color-on-success-container);
  }

  .snackbar-warning {
    background-color: var(--color-warning-container);
    color: var(--color-on-warning-container);
  }

  .snackbar-error {
    background-color: var(--color-error-container);
    color: var(--color-on-error-container);
  }

  /* Brand Color Variants */
  .snackbar-primary {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  .snackbar-secondary {
    background-color: var(--color-secondary-container);
    color: var(--color-on-secondary-container);
  }

  .snackbar-tertiary {
    background-color: var(--color-tertiary-container);
    color: var(--color-on-tertiary-container);
  }

  .snackbar-accent {
    background-color: color-mix(in oklch, var(--color-accent) 15%, var(--color-surface));
    color: var(--color-on-surface);
  }

  .snackbar-neutral {
    background-color: color-mix(in oklch, var(--color-neutral) 15%, var(--color-surface));
    color: var(--color-on-surface);
  }

  .snackbar-base {
    background-color: var(--color-base-200);
    color: var(--color-base-content);
  }

  /* Dark Snackbar (default MD3 style) */
  .snackbar-dark {
    background-color: var(--color-on-surface);
    color: var(--color-surface);
  }

  .snackbar-dark .snackbar-action {
    color: var(--color-primary-container);
  }

  .snackbar-dark .snackbar-close {
    color: var(--color-surface);
  }

  /* Icon */
  .snackbar-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.25rem;
  }

  /* Multiline */
  .snackbar-multiline {
    flex-wrap: wrap;
    min-height: 4rem;
  }

  .snackbar-multiline .snackbar-message {
    width: 100%;
    margin-bottom: 0.5rem;
  }

  .snackbar-multiline .snackbar-action {
    margin-left: auto;
  }

  /* Responsive */
  @media (max-width: 640px) {
    .snackbar {
      min-width: calc(100vw - 2rem);
      max-width: calc(100vw - 2rem);
    }

    .snackbar-container {
      left: 0;
      right: 0;
      transform: none;
    }

    .snackbar-container-bottom,
    .snackbar-container-top {
      align-items: stretch;
    }
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .snackbar {
      transition: opacity 0ms, transform 0ms;
    }
  }
}

/**
 * Toast Component Styles
 * DuskMoonUI - Material Design 3 inspired toast notification system
 */

@layer components {
  /* Toast Container */
  .toast-container {
    position: fixed;
    z-index: 1200;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem;
    pointer-events: none;
  }

  /* Position Variants */
  .toast-container-top-right {
    top: 0;
    right: 0;
    align-items: flex-end;
  }

  .toast-container-top-left {
    top: 0;
    left: 0;
    align-items: flex-start;
  }

  .toast-container-top-center {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    align-items: center;
  }

  .toast-container-bottom-right {
    bottom: 0;
    right: 0;
    align-items: flex-end;
  }

  .toast-container-bottom-left {
    bottom: 0;
    left: 0;
    align-items: flex-start;
  }

  .toast-container-bottom-center {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    align-items: center;
  }

  /* Base Toast */
  .toast {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    width: 22rem;
    max-width: calc(100vw - 2rem);
    padding: 1rem;
    background-color: var(--color-surface);
    color: var(--color-on-surface);
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    opacity: 0;
    transform: translateX(100%);
    transition: opacity 300ms ease-out, transform 300ms ease-out;
  }

  .toast-container-top-left .toast,
  .toast-container-bottom-left .toast {
    transform: translateX(-100%);
  }

  .toast-container-top-center .toast,
  .toast-container-bottom-center .toast {
    transform: translateY(-20px);
  }

  /* Toast Open State */
  .toast.toast-open,
  .toast.show,
  .toast-show {
    opacity: 1;
    transform: translateX(0) translateY(0);
  }

  /* Toast Icon */
  .toast-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    font-size: 1.25rem;
    flex-shrink: 0;
  }

  /* Toast Content */
  .toast-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
    min-width: 0;
  }

  .toast-title {
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.25rem;
    color: var(--color-on-surface);
  }

  .toast-message {
    font-size: 0.875rem;
    line-height: 1.25rem;
    color: var(--color-on-surface-variant);
  }

  /* Toast Close Button */
  .toast-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    font-size: 1rem;
    color: var(--color-on-surface-variant);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out;
    flex-shrink: 0;
    margin-left: auto;
  }

  .toast-close:hover {
    background-color: var(--color-surface-container);
    color: var(--color-on-surface);
  }

  .toast-close:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Toast Actions */
  .toast-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
  }

  /* Type Variants */
  .toast-info {
    border-color: var(--color-info);
  }

  .toast-info .toast-icon {
    color: var(--color-info);
  }

  .toast-success {
    border-color: var(--color-success);
  }

  .toast-success .toast-icon {
    color: var(--color-success);
  }

  .toast-warning {
    border-color: var(--color-warning);
  }

  .toast-warning .toast-icon {
    color: var(--color-warning);
  }

  .toast-error {
    border-color: var(--color-error);
  }

  .toast-error .toast-icon {
    color: var(--color-error);
  }

  .toast-primary {
    border-color: var(--color-primary);
  }

  .toast-primary .toast-icon {
    color: var(--color-primary);
  }

  .toast-secondary {
    border-color: var(--color-secondary);
  }

  .toast-secondary .toast-icon {
    color: var(--color-secondary);
  }

  .toast-tertiary {
    border-color: var(--color-tertiary);
  }

  .toast-tertiary .toast-icon {
    color: var(--color-tertiary);
  }

  .toast-accent {
    border-color: var(--color-accent);
  }

  .toast-accent .toast-icon {
    color: var(--color-accent);
  }

  .toast-neutral {
    border-color: var(--color-neutral);
  }

  .toast-neutral .toast-icon {
    color: var(--color-neutral);
  }

  .toast-base {
    border-color: var(--color-base-content);
  }

  .toast-base .toast-icon {
    color: var(--color-base-content);
  }

  /* Filled Variants */
  .toast-filled.toast-info {
    background-color: var(--color-info-container);
    border-color: transparent;
    color: var(--color-on-info-container);
  }

  .toast-filled.toast-success {
    background-color: var(--color-success-container);
    border-color: transparent;
    color: var(--color-on-success-container);
  }

  .toast-filled.toast-warning {
    background-color: var(--color-warning-container);
    border-color: transparent;
    color: var(--color-on-warning-container);
  }

  .toast-filled.toast-error {
    background-color: var(--color-error-container);
    border-color: transparent;
    color: var(--color-on-error-container);
  }

  .toast-filled.toast-primary {
    background-color: var(--color-primary-container);
    border-color: transparent;
    color: var(--color-on-primary-container);
  }

  .toast-filled.toast-secondary {
    background-color: var(--color-secondary-container);
    border-color: transparent;
    color: var(--color-on-secondary-container);
  }

  .toast-filled.toast-tertiary {
    background-color: var(--color-tertiary-container);
    border-color: transparent;
    color: var(--color-on-tertiary-container);
  }

  .toast-filled.toast-accent {
    background-color: color-mix(in oklch, var(--color-accent) 15%, var(--color-surface));
    border-color: transparent;
    color: var(--color-on-surface);
  }

  .toast-filled.toast-neutral {
    background-color: color-mix(in oklch, var(--color-neutral) 15%, var(--color-surface));
    border-color: transparent;
    color: var(--color-on-surface);
  }

  .toast-filled.toast-base {
    background-color: var(--color-base-200);
    border-color: transparent;
    color: var(--color-base-content);
  }

  /* Filled variant sub-element color inheritance fix.
     .toast-title and .toast-message have explicit color rules that would otherwise
     override the filled variant's inherited on-container color. */
  .toast-filled .toast-title,
  .toast-filled .toast-message {
    color: inherit;
  }

  /* Ghost Variant */
  .toast-ghost {
    background-color: transparent;
    border-color: transparent;
  }

  .toast-ghost.toast-primary   { color: var(--color-primary); }
  .toast-ghost.toast-secondary { color: var(--color-secondary); }
  .toast-ghost.toast-tertiary  { color: var(--color-tertiary); }
  .toast-ghost.toast-info      { color: var(--color-info); }
  .toast-ghost.toast-success   { color: var(--color-success); }
  .toast-ghost.toast-warning   { color: var(--color-warning); }
  .toast-ghost.toast-error     { color: var(--color-error); }
  .toast-ghost.toast-accent    { color: var(--color-accent); }
  .toast-ghost.toast-neutral   { color: var(--color-neutral); }
  .toast-ghost.toast-base      { color: var(--color-base-content); }

  .toast-ghost .toast-title,
  .toast-ghost .toast-message {
    color: inherit;
  }

  /* Progress Bar (for auto-dismiss) */
  .toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background-color: currentColor;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    animation: toast-progress linear forwards;
  }

  @keyframes toast-progress {
    from {
      width: 100%;
    }
    to {
      width: 0%;
    }
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .toast {
      transition: opacity 0ms;
      transform: none;
    }

    .toast-progress {
      animation: none;
    }
  }
}

/**
 * Tooltip Component Styles
 * DuskMoonUI - Material Design 3 inspired tooltip system
 */

@layer components {
  /* Base Tooltip */
  .tooltip {
    position: relative;
    display: inline-block;
  }

  /* Tooltip Content */
  .tooltip-content {
    position: absolute;
    z-index: 1000;
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1rem;
    white-space: nowrap;
    background-color: var(--color-on-surface);
    color: var(--color-surface);
    border-radius: var(--radius-xs);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity 150ms ease-out, visibility 150ms ease-out;
    pointer-events: none;
  }

  /* Tooltip Arrow */
  .tooltip-content::before {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border: 0.375rem solid transparent;
  }

  /* Show Tooltip */
  .tooltip:hover .tooltip-content,
  .tooltip:focus-within .tooltip-content,
  .tooltip-open .tooltip-content {
    opacity: 1;
    visibility: visible;
  }

  /* Position: Top (default) - applied to all tooltips as base */
  .tooltip .tooltip-content {
    bottom: 100%;
    top: auto;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    margin-bottom: 0.5rem;
    margin-top: 0;
    margin-left: 0;
    margin-right: 0;
  }

  .tooltip .tooltip-content::before {
    top: 100%;
    bottom: auto;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    border-top-color: var(--color-on-surface);
    border-bottom-color: transparent;
    border-left-color: transparent;
    border-right-color: transparent;
  }

  /* Position: Bottom */
  .tooltip.tooltip-bottom .tooltip-content {
    top: 100%;
    bottom: auto;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    margin-top: 0.5rem;
    margin-bottom: 0;
    margin-left: 0;
    margin-right: 0;
  }

  .tooltip.tooltip-bottom .tooltip-content::before {
    bottom: 100%;
    top: auto;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    border-bottom-color: var(--color-on-surface);
    border-top-color: transparent;
    border-left-color: transparent;
    border-right-color: transparent;
  }

  /* Position: Left */
  .tooltip.tooltip-left .tooltip-content {
    right: 100%;
    left: auto;
    top: 50%;
    bottom: auto;
    transform: translateY(-50%);
    margin-right: 0.5rem;
    margin-left: 0;
    margin-top: 0;
    margin-bottom: 0;
  }

  .tooltip.tooltip-left .tooltip-content::before {
    left: 100%;
    right: auto;
    top: 50%;
    bottom: auto;
    transform: translateY(-50%);
    border-left-color: var(--color-on-surface);
    border-right-color: transparent;
    border-top-color: transparent;
    border-bottom-color: transparent;
  }

  /* Position: Right */
  .tooltip.tooltip-right .tooltip-content {
    left: 100%;
    right: auto;
    top: 50%;
    bottom: auto;
    transform: translateY(-50%);
    margin-left: 0.5rem;
    margin-right: 0;
    margin-top: 0;
    margin-bottom: 0;
  }

  .tooltip.tooltip-right .tooltip-content::before {
    right: 100%;
    left: auto;
    top: 50%;
    bottom: auto;
    transform: translateY(-50%);
    border-right-color: var(--color-on-surface);
    border-left-color: transparent;
    border-top-color: transparent;
    border-bottom-color: transparent;
  }

  /* Light Tooltip */
  .tooltip.tooltip-light .tooltip-content {
    background-color: var(--color-surface);
    color: var(--color-on-surface);
    border: 1px solid var(--color-outline);
    box-shadow: var(--shadow-md);
  }

  .tooltip.tooltip-light .tooltip-content::before {
    border-top-color: var(--color-surface);
  }

  .tooltip.tooltip-light.tooltip-bottom .tooltip-content::before {
    border-bottom-color: var(--color-surface);
  }

  .tooltip.tooltip-light.tooltip-left .tooltip-content::before {
    border-left-color: var(--color-surface);
  }

  .tooltip.tooltip-light.tooltip-right .tooltip-content::before {
    border-right-color: var(--color-surface);
  }

  /* Color Variants */
  .tooltip.tooltip-primary .tooltip-content {
    background-color: var(--color-primary);
    color: var(--color-primary-content);
  }

  .tooltip.tooltip-primary .tooltip-content::before {
    border-top-color: var(--color-primary);
  }

  .tooltip.tooltip-primary.tooltip-bottom .tooltip-content::before {
    border-bottom-color: var(--color-primary);
  }

  .tooltip.tooltip-primary.tooltip-left .tooltip-content::before {
    border-left-color: var(--color-primary);
  }

  .tooltip.tooltip-primary.tooltip-right .tooltip-content::before {
    border-right-color: var(--color-primary);
  }

  .tooltip.tooltip-secondary .tooltip-content {
    background-color: var(--color-secondary);
    color: var(--color-secondary-content);
  }

  .tooltip.tooltip-secondary .tooltip-content::before {
    border-top-color: var(--color-secondary);
  }

  .tooltip.tooltip-secondary.tooltip-bottom .tooltip-content::before {
    border-bottom-color: var(--color-secondary);
  }

  .tooltip.tooltip-secondary.tooltip-left .tooltip-content::before {
    border-left-color: var(--color-secondary);
  }

  .tooltip.tooltip-secondary.tooltip-right .tooltip-content::before {
    border-right-color: var(--color-secondary);
  }

  .tooltip.tooltip-error .tooltip-content {
    background-color: var(--color-error);
    color: var(--color-error-content);
  }

  .tooltip.tooltip-error .tooltip-content::before {
    border-top-color: var(--color-error);
  }

  .tooltip.tooltip-error.tooltip-bottom .tooltip-content::before {
    border-bottom-color: var(--color-error);
  }

  .tooltip.tooltip-error.tooltip-left .tooltip-content::before {
    border-left-color: var(--color-error);
  }

  .tooltip.tooltip-error.tooltip-right .tooltip-content::before {
    border-right-color: var(--color-error);
  }

  .tooltip.tooltip-tertiary .tooltip-content {
    background-color: var(--color-tertiary);
    color: var(--color-tertiary-content);
  }

  .tooltip.tooltip-tertiary .tooltip-content::before {
    border-top-color: var(--color-tertiary);
  }

  .tooltip.tooltip-tertiary.tooltip-bottom .tooltip-content::before {
    border-bottom-color: var(--color-tertiary);
  }

  .tooltip.tooltip-tertiary.tooltip-left .tooltip-content::before {
    border-left-color: var(--color-tertiary);
  }

  .tooltip.tooltip-tertiary.tooltip-right .tooltip-content::before {
    border-right-color: var(--color-tertiary);
  }

  .tooltip.tooltip-info .tooltip-content {
    background-color: var(--color-info);
    color: var(--color-info-content);
  }

  .tooltip.tooltip-info .tooltip-content::before {
    border-top-color: var(--color-info);
  }

  .tooltip.tooltip-info.tooltip-bottom .tooltip-content::before {
    border-bottom-color: var(--color-info);
  }

  .tooltip.tooltip-info.tooltip-left .tooltip-content::before {
    border-left-color: var(--color-info);
  }

  .tooltip.tooltip-info.tooltip-right .tooltip-content::before {
    border-right-color: var(--color-info);
  }

  .tooltip.tooltip-success .tooltip-content {
    background-color: var(--color-success);
    color: var(--color-success-content);
  }

  .tooltip.tooltip-success .tooltip-content::before {
    border-top-color: var(--color-success);
  }

  .tooltip.tooltip-success.tooltip-bottom .tooltip-content::before {
    border-bottom-color: var(--color-success);
  }

  .tooltip.tooltip-success.tooltip-left .tooltip-content::before {
    border-left-color: var(--color-success);
  }

  .tooltip.tooltip-success.tooltip-right .tooltip-content::before {
    border-right-color: var(--color-success);
  }

  .tooltip.tooltip-warning .tooltip-content {
    background-color: var(--color-warning);
    color: var(--color-warning-content);
  }

  .tooltip.tooltip-warning .tooltip-content::before {
    border-top-color: var(--color-warning);
  }

  .tooltip.tooltip-warning.tooltip-bottom .tooltip-content::before {
    border-bottom-color: var(--color-warning);
  }

  .tooltip.tooltip-warning.tooltip-left .tooltip-content::before {
    border-left-color: var(--color-warning);
  }

  .tooltip.tooltip-warning.tooltip-right .tooltip-content::before {
    border-right-color: var(--color-warning);
  }

  .tooltip.tooltip-accent .tooltip-content {
    background-color: var(--color-accent);
    color: var(--color-accent-content);
  }

  .tooltip.tooltip-accent .tooltip-content::before {
    border-top-color: var(--color-accent);
  }

  .tooltip.tooltip-accent.tooltip-bottom .tooltip-content::before {
    border-bottom-color: var(--color-accent);
  }

  .tooltip.tooltip-accent.tooltip-left .tooltip-content::before {
    border-left-color: var(--color-accent);
  }

  .tooltip.tooltip-accent.tooltip-right .tooltip-content::before {
    border-right-color: var(--color-accent);
  }

  .tooltip.tooltip-neutral .tooltip-content {
    background-color: var(--color-neutral);
    color: var(--color-neutral-content);
  }

  .tooltip.tooltip-neutral .tooltip-content::before {
    border-top-color: var(--color-neutral);
  }

  .tooltip.tooltip-neutral.tooltip-bottom .tooltip-content::before {
    border-bottom-color: var(--color-neutral);
  }

  .tooltip.tooltip-neutral.tooltip-left .tooltip-content::before {
    border-left-color: var(--color-neutral);
  }

  .tooltip.tooltip-neutral.tooltip-right .tooltip-content::before {
    border-right-color: var(--color-neutral);
  }

  .tooltip.tooltip-base .tooltip-content {
    background-color: var(--color-base-100);
    color: var(--color-base-content);
  }

  .tooltip.tooltip-base .tooltip-content::before {
    border-top-color: var(--color-base-100);
  }

  .tooltip.tooltip-base.tooltip-bottom .tooltip-content::before {
    border-bottom-color: var(--color-base-100);
  }

  .tooltip.tooltip-base.tooltip-left .tooltip-content::before {
    border-left-color: var(--color-base-100);
  }

  .tooltip.tooltip-base.tooltip-right .tooltip-content::before {
    border-right-color: var(--color-base-100);
  }

  /* Multi-line Tooltip */
  .tooltip-multiline .tooltip-content {
    white-space: normal;
    max-width: 16rem;
    text-align: center;
  }

  /* Rich Tooltip */
  .tooltip-rich .tooltip-content {
    padding: 0.75rem 1rem;
    max-width: 20rem;
    white-space: normal;
    text-align: left;
  }

  .tooltip-rich-title {
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
  }

  .tooltip-rich-description {
    font-size: 0.75rem;
    font-weight: 400;
    opacity: 0.9;
  }

  /* Delay Variants */
  .tooltip-delay .tooltip-content {
    transition-delay: 300ms;
  }

  .tooltip-delay-long .tooltip-content {
    transition-delay: 500ms;
  }

  /* Interactive Tooltip */
  .tooltip-interactive .tooltip-content {
    pointer-events: auto;
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .tooltip-content {
      transition: none;
    }
  }
}


/* ============================================
 * LAYOUT COMPONENTS
 * ============================================ */

/**
 * App Bar Component Styles
 * DuskMoonUI - Material Design 3 inspired app bar system
 */

@layer components {
  /* Base App Bar */
  .appbar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    min-height: 4rem;
    padding: 0 1rem;
    background-color: var(--color-surface);
    color: var(--color-on-surface);
    box-shadow: var(--shadow-sm);
  }

  /* Static App Bar (default) */
  .appbar-static {
    position: static;
  }

  /* Fixed App Bar */
  .appbar-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
  }

  /* Sticky App Bar */
  .appbar-sticky {
    position: sticky;
    top: 0;
    z-index: 1000;
  }

  /* Top App Bar (default) */
  .appbar-top {
    top: 0;
  }

  /* Bottom App Bar */
  .appbar-bottom {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    top: auto;
    z-index: 1000;
  }

  /* App Bar with Shadow (elevated) */
  .appbar-elevated {
    box-shadow: var(--shadow-sm);
  }

  /* Flat App Bar (no shadow) */
  .appbar-flat {
    box-shadow: none;
  }

  /* App Bar with Border */
  .appbar-bordered {
    border-bottom: 1px solid var(--color-outline-variant);
    box-shadow: none;
  }

  /* Transparent App Bar */
  .appbar-transparent {
    background-color: transparent;
    box-shadow: none;
  }

  /* Backdrop Blur */
  .appbar-blur {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }

  /* App Bar Navigation Icon */
  .appbar-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    color: var(--color-on-surface);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color 150ms ease-in-out;
    flex-shrink: 0;
  }

  .appbar-nav:hover {
    background-color: var(--color-surface-container);
  }

  .appbar-nav:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* App Bar Title */
  .appbar-title {
    flex: 1;
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.75rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  /* App Bar Subtitle */
  .appbar-subtitle {
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  /* App Bar Title Group */
  .appbar-title-group {
    flex: 1;
    min-width: 0;
  }

  .appbar-title-group .appbar-title {
    font-size: 1rem;
    line-height: 1.25rem;
  }

  /* App Bar Actions */
  .appbar-actions {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-shrink: 0;
  }

  .appbar-action {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    color: var(--color-on-surface-variant);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out;
  }

  .appbar-action:hover {
    background-color: var(--color-surface-container);
    color: var(--color-on-surface);
  }

  .appbar-action:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* App Bar Logo/Brand */
  .appbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
  }

  .appbar-logo {
    height: 2rem;
    width: auto;
  }

  /* Size Variants */
  .appbar-sm {
    min-height: 3rem;
    padding: 0 0.75rem;
  }

  .appbar-sm .appbar-title {
    font-size: 1rem;
  }

  .appbar-lg {
    min-height: 5rem;
    padding: 0 1.5rem;
  }

  .appbar-lg .appbar-title {
    font-size: 1.5rem;
  }

  /* Compact Size */
  .appbar-compact {
    min-height: 3rem;
    padding: 0 0.75rem;
  }

  .appbar-compact .appbar-title,
  .appbar-compact .appbar-heading {
    font-size: 1rem;
    line-height: 1.5rem;
  }

  .appbar-compact .appbar-nav,
  .appbar-compact .appbar-action,
  .appbar-compact .appbar-back {
    width: 2rem;
    height: 2rem;
  }

  /* Comfortable Size */
  .appbar-comfortable {
    min-height: 5rem;
    padding: 0 1.5rem;
  }

  .appbar-comfortable .appbar-title,
  .appbar-comfortable .appbar-heading {
    font-size: 1.5rem;
    line-height: 2rem;
  }

  /* Section Classes */
  .appbar-leading {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-shrink: 0;
  }

  .appbar-trailing {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-grow: 1;
    justify-content: flex-end;
    margin-left: auto;
  }

  /* Heading Text */
  .appbar-heading {
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.75rem;
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  /* Back Button */
  .appbar-back {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    color: var(--color-on-surface);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color 150ms ease-in-out;
    flex-shrink: 0;
  }

  .appbar-back:hover {
    background-color: var(--color-surface-container);
  }

  .appbar-back:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Search Input (direct on element) */
  .appbar .appbar-search,
  input.appbar-search {
    flex: 1;
    max-width: 32rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    color: var(--color-on-surface);
    background-color: var(--color-surface-container);
    border: none;
    border-radius: var(--radius-full);
    transition: background-color 150ms ease-in-out;
  }

  .appbar .appbar-search:focus,
  input.appbar-search:focus {
    outline: none;
    background-color: var(--color-surface-container-high);
  }

  .appbar .appbar-search::placeholder,
  input.appbar-search::placeholder {
    color: var(--color-on-surface-variant);
  }

  /* Color Variants */
  .appbar-primary {
    background-color: var(--color-primary);
    color: var(--color-primary-content);
  }

  .appbar-primary .appbar-nav,
  .appbar-primary .appbar-action,
  .appbar-primary .appbar-back {
    color: var(--color-primary-content);
  }

  .appbar-primary .appbar-nav:hover,
  .appbar-primary .appbar-action:hover,
  .appbar-primary .appbar-back:hover {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  .appbar-primary .appbar-subtitle {
    color: var(--color-primary-content);
    opacity: 0.8;
  }

  .appbar-secondary {
    background-color: var(--color-secondary);
    color: var(--color-secondary-content);
  }

  .appbar-secondary .appbar-nav,
  .appbar-secondary .appbar-action,
  .appbar-secondary .appbar-back {
    color: var(--color-secondary-content);
  }

  .appbar-secondary .appbar-nav:hover,
  .appbar-secondary .appbar-action:hover,
  .appbar-secondary .appbar-back:hover {
    background-color: var(--color-secondary-container);
    color: var(--color-on-secondary-container);
  }

  .appbar-secondary .appbar-subtitle {
    color: var(--color-secondary-content);
    opacity: 0.8;
  }

  .appbar-tertiary {
    background-color: var(--color-tertiary);
    color: var(--color-tertiary-content);
  }

  .appbar-tertiary .appbar-nav,
  .appbar-tertiary .appbar-action,
  .appbar-tertiary .appbar-back {
    color: var(--color-tertiary-content);
  }

  .appbar-tertiary .appbar-nav:hover,
  .appbar-tertiary .appbar-action:hover,
  .appbar-tertiary .appbar-back:hover {
    background-color: var(--color-tertiary-container);
    color: var(--color-on-tertiary-container);
  }

  .appbar-tertiary .appbar-subtitle {
    color: var(--color-tertiary-content);
    opacity: 0.8;
  }

  .appbar-accent {
    background-color: var(--color-accent);
    color: var(--color-accent-content);
  }

  .appbar-accent .appbar-nav,
  .appbar-accent .appbar-action,
  .appbar-accent .appbar-back {
    color: var(--color-accent-content);
  }

  .appbar-accent .appbar-nav:hover,
  .appbar-accent .appbar-action:hover,
  .appbar-accent .appbar-back:hover {
    background-color: color-mix(in oklch, var(--color-accent) 15%, var(--color-surface));
    color: var(--color-accent);
  }

  .appbar-accent .appbar-subtitle {
    color: var(--color-accent-content);
    opacity: 0.8;
  }

  .appbar-neutral {
    background-color: var(--color-neutral);
    color: var(--color-neutral-content);
  }

  .appbar-neutral .appbar-nav,
  .appbar-neutral .appbar-action,
  .appbar-neutral .appbar-back {
    color: var(--color-neutral-content);
  }

  .appbar-neutral .appbar-nav:hover,
  .appbar-neutral .appbar-action:hover,
  .appbar-neutral .appbar-back:hover {
    background-color: color-mix(in oklch, var(--color-neutral) 15%, var(--color-surface));
    color: var(--color-neutral);
  }

  .appbar-neutral .appbar-subtitle {
    color: var(--color-neutral-content);
    opacity: 0.8;
  }

  .appbar-base {
    background-color: var(--color-base-100);
    color: var(--color-base-content);
  }

  .appbar-base .appbar-nav,
  .appbar-base .appbar-action,
  .appbar-base .appbar-back {
    color: var(--color-base-content);
  }

  .appbar-base .appbar-nav:hover,
  .appbar-base .appbar-action:hover,
  .appbar-base .appbar-back:hover {
    background-color: var(--color-base-200);
    color: var(--color-base-content);
  }

  .appbar-base .appbar-subtitle {
    color: var(--color-base-content);
    opacity: 0.8;
  }

  .appbar-info {
    background-color: var(--color-info);
    color: var(--color-info-content);
  }

  .appbar-info .appbar-nav,
  .appbar-info .appbar-action,
  .appbar-info .appbar-back {
    color: var(--color-info-content);
  }

  .appbar-info .appbar-nav:hover,
  .appbar-info .appbar-action:hover,
  .appbar-info .appbar-back:hover {
    background-color: var(--color-info-container);
    color: var(--color-on-info-container);
  }

  .appbar-info .appbar-subtitle {
    color: var(--color-info-content);
    opacity: 0.8;
  }

  .appbar-success {
    background-color: var(--color-success);
    color: var(--color-success-content);
  }

  .appbar-success .appbar-nav,
  .appbar-success .appbar-action,
  .appbar-success .appbar-back {
    color: var(--color-success-content);
  }

  .appbar-success .appbar-nav:hover,
  .appbar-success .appbar-action:hover,
  .appbar-success .appbar-back:hover {
    background-color: var(--color-success-container);
    color: var(--color-on-success-container);
  }

  .appbar-success .appbar-subtitle {
    color: var(--color-success-content);
    opacity: 0.8;
  }

  .appbar-warning {
    background-color: var(--color-warning);
    color: var(--color-warning-content);
  }

  .appbar-warning .appbar-nav,
  .appbar-warning .appbar-action,
  .appbar-warning .appbar-back {
    color: var(--color-warning-content);
  }

  .appbar-warning .appbar-nav:hover,
  .appbar-warning .appbar-action:hover,
  .appbar-warning .appbar-back:hover {
    background-color: var(--color-warning-container);
    color: var(--color-on-warning-container);
  }

  .appbar-warning .appbar-subtitle {
    color: var(--color-warning-content);
    opacity: 0.8;
  }

  .appbar-error {
    background-color: var(--color-error);
    color: var(--color-error-content);
  }

  .appbar-error .appbar-nav,
  .appbar-error .appbar-action,
  .appbar-error .appbar-back {
    color: var(--color-error-content);
  }

  .appbar-error .appbar-nav:hover,
  .appbar-error .appbar-action:hover,
  .appbar-error .appbar-back:hover {
    background-color: var(--color-error-container);
    color: var(--color-on-error-container);
  }

  .appbar-error .appbar-subtitle {
    color: var(--color-error-content);
    opacity: 0.8;
  }

  /* Surface Variants */
  .appbar-surface {
    background-color: var(--color-surface);
  }

  .appbar-surface-container {
    background-color: var(--color-surface-container);
  }

  .appbar-surface-container-low {
    background-color: var(--color-surface-container-low);
  }

  .appbar-surface-container-high {
    background-color: var(--color-surface-container-high);
  }

  .appbar-surface-container-highest {
    background-color: var(--color-surface-container-highest);
  }

  /* Center Title */
  .appbar-center {
    justify-content: space-between;
  }

  .appbar-center .appbar-title {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    flex: none;
  }

  /* Dense App Bar */
  .appbar-dense {
    min-height: 3rem;
    padding: 0 0.5rem;
  }

  .appbar-dense .appbar-nav,
  .appbar-dense .appbar-action {
    width: 2rem;
    height: 2rem;
  }

  /* Prominent App Bar (Large Title) */
  .appbar-prominent {
    flex-direction: column;
    align-items: flex-start;
    min-height: 8rem;
    padding: 1rem;
  }

  .appbar-prominent .appbar-row {
    display: flex;
    align-items: center;
    width: 100%;
    gap: 0.5rem;
  }

  .appbar-prominent .appbar-title {
    font-size: 2rem;
    font-weight: 400;
    margin-top: auto;
    padding-bottom: 0.5rem;
  }

  /* Search in App Bar */
  .appbar-search {
    flex: 1;
    max-width: 32rem;
    margin: 0 1rem;
  }

  .appbar-search-input {
    width: 100%;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    color: var(--color-on-surface);
    background-color: var(--color-surface-container);
    border: none;
    border-radius: var(--radius-full);
    transition: background-color 150ms ease-in-out;
  }

  .appbar-search-input:focus {
    outline: none;
    background-color: var(--color-surface-container-high);
  }

  .appbar-search-input::placeholder {
    color: var(--color-on-surface-variant);
  }

  /* Responsive */
  @media (max-width: 640px) {
    .appbar {
      padding: 0 0.5rem;
    }

    .appbar-title {
      font-size: 1rem;
    }

    .appbar-search {
      margin: 0 0.5rem;
    }
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .appbar-nav,
    .appbar-action,
    .appbar-search-input {
      transition: none;
    }
  }
}

/**
 * Divider Component Styles
 * DuskMoonUI - Material Design 3 inspired divider system
 *
 * Usage:
 *   <div class="divider"></div>            — plain horizontal line
 *   <div class="divider">OR</div>          — text centered between lines
 *   <div class="divider divider-start">Title</div>  — text at start
 */

@layer components {
  /* ── Base Divider (Horizontal) ──────────────────────────────────── */
  .divider {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0;
    width: 100%;
    margin: 1rem 0;
    white-space: nowrap;
  }

  /* Only add gap when content is present so an empty divider renders as one continuous line */
  .divider:not(:empty) {
    gap: 1rem;
  }

  /* The two line segments flanking any content */
  .divider::before,
  .divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--color-outline-variant);
  }

  /* ── Vertical Divider ───────────────────────────────────────────── */
  .divider-vertical {
    flex-direction: column;
    width: auto;
    margin: 0 1rem;
    align-self: stretch;
  }

  .divider-vertical::before,
  .divider-vertical::after {
    width: 1px;
    height: unset; /* let flex: 1 control the length */
  }

  /* ── Thickness ──────────────────────────────────────────────────── */
  .divider-thin::before,
  .divider-thin::after {
    height: 1px;
  }

  .divider-thin.divider-vertical::before,
  .divider-thin.divider-vertical::after {
    width: 1px;
    height: unset;
  }

  .divider-medium::before,
  .divider-medium::after {
    height: 2px;
  }

  .divider-medium.divider-vertical::before,
  .divider-medium.divider-vertical::after {
    width: 2px;
    height: unset;
  }

  .divider-thick::before,
  .divider-thick::after {
    height: 4px;
  }

  .divider-thick.divider-vertical::before,
  .divider-thick.divider-vertical::after {
    width: 4px;
    height: unset;
  }

  /* ── Line Styles ────────────────────────────────────────────────── */
  .divider-dashed::before,
  .divider-dashed::after {
    background-color: transparent;
    background-image: linear-gradient(
      to right,
      var(--color-outline-variant) 50%,
      transparent 50%
    );
    background-size: 8px 1px;
    background-repeat: repeat-x;
  }

  .divider-dashed.divider-vertical::before,
  .divider-dashed.divider-vertical::after {
    background-image: linear-gradient(
      to bottom,
      var(--color-outline-variant) 50%,
      transparent 50%
    );
    background-size: 1px 8px;
    background-repeat: repeat-y;
  }

  .divider-dotted::before,
  .divider-dotted::after {
    background-color: transparent;
    background-image: linear-gradient(
      to right,
      var(--color-outline-variant) 25%,
      transparent 25%
    );
    background-size: 4px 1px;
    background-repeat: repeat-x;
  }

  .divider-dotted.divider-vertical::before,
  .divider-dotted.divider-vertical::after {
    background-image: linear-gradient(
      to bottom,
      var(--color-outline-variant) 25%,
      transparent 25%
    );
    background-size: 1px 4px;
    background-repeat: repeat-y;
  }

  /* ── Color Variants ─────────────────────────────────────────────── */
  .divider-primary::before,
  .divider-primary::after {
    background-color: var(--color-primary);
  }

  .divider-primary.divider-dashed::before,
  .divider-primary.divider-dashed::after {
    background-image: linear-gradient(
      to right,
      var(--color-primary) 50%,
      transparent 50%
    );
  }

  .divider-primary.divider-dashed.divider-vertical::before,
  .divider-primary.divider-dashed.divider-vertical::after {
    background-image: linear-gradient(
      to bottom,
      var(--color-primary) 50%,
      transparent 50%
    );
  }

  .divider-secondary::before,
  .divider-secondary::after {
    background-color: var(--color-secondary);
  }

  .divider-tertiary::before,
  .divider-tertiary::after {
    background-color: var(--color-tertiary);
  }

  .divider-info::before,
  .divider-info::after {
    background-color: var(--color-info);
  }

  .divider-success::before,
  .divider-success::after {
    background-color: var(--color-success);
  }

  .divider-warning::before,
  .divider-warning::after {
    background-color: var(--color-warning);
  }

  .divider-error::before,
  .divider-error::after {
    background-color: var(--color-error);
  }

  .divider-accent::before,
  .divider-accent::after {
    background-color: var(--color-accent);
  }

  .divider-neutral::before,
  .divider-neutral::after {
    background-color: var(--color-neutral);
  }

  .divider-base::before,
  .divider-base::after {
    background-color: var(--color-base-content);
  }

  /* ── Gradient Lines ─────────────────────────────────────────────── */
  .divider-gradient::before,
  .divider-gradient::after {
    background: linear-gradient(
      to right,
      transparent,
      var(--color-outline-variant) 20%,
      var(--color-outline-variant) 80%,
      transparent
    );
  }

  .divider-gradient.divider-vertical::before,
  .divider-gradient.divider-vertical::after {
    background: linear-gradient(
      to bottom,
      transparent,
      var(--color-outline-variant) 20%,
      var(--color-outline-variant) 80%,
      transparent
    );
  }

  /* ── Content Positioning ────────────────────────────────────────── */

  /* Push content to start: shrink the leading line segment */
  .divider-start::before {
    flex: 0 0 2rem;
  }

  /* Push content to end: shrink the trailing line segment */
  .divider-end::after {
    flex: 0 0 2rem;
  }

  /* Vertical equivalents */
  .divider-vertical.divider-start::before {
    flex: 0 0 2rem;
  }

  .divider-vertical.divider-end::after {
    flex: 0 0 2rem;
  }

  /* ── Spacing Variants ───────────────────────────────────────────── */
  .divider-compact {
    margin: 0.25rem 0;
  }

  .divider-compact:not(:empty) {
    gap: 0.5rem;
  }

  .divider-compact.divider-vertical {
    margin: 0 0.25rem;
  }

  .divider-comfortable {
    margin: 1.5rem 0;
  }

  .divider-comfortable.divider-vertical {
    margin: 0 1.5rem;
  }

  .divider-spacious {
    margin: 2rem 0;
  }

  .divider-spacious:not(:empty) {
    gap: 1.5rem;
  }

  .divider-spacious.divider-vertical {
    margin: 0 2rem;
  }

  /* Legacy spacing aliases */
  .divider-none {
    margin: 0;
  }

  .divider-xs {
    margin: 0.25rem 0;
  }

  .divider-xs.divider-vertical {
    margin: 0 0.25rem;
  }

  .divider-sm {
    margin: 0.5rem 0;
  }

  .divider-sm.divider-vertical {
    margin: 0 0.5rem;
  }

  .divider-lg {
    margin: 1.5rem 0;
  }

  .divider-lg.divider-vertical {
    margin: 0 1.5rem;
  }

  .divider-xl {
    margin: 2rem 0;
  }

  .divider-xl.divider-vertical {
    margin: 0 2rem;
  }

  /* ── Inset Divider ──────────────────────────────────────────────── */
  .divider-inset {
    padding-left: 4rem;
  }

  .divider-inset-right {
    padding-right: 4rem;
  }

  .divider-inset-both {
    padding-left: 4rem;
    padding-right: 4rem;
  }

  /* ── List / Card Helpers ────────────────────────────────────────── */
  .divider-list {
    margin: 0;
    padding-left: 1rem;
  }

  .divider-card {
    margin: 0;
    margin-left: -1rem;
    margin-right: -1rem;
  }

  /* ── Legacy: divider-text aliases ──────────────────────────────── */
  /* divider-text is now just .divider — kept for backwards compat */
  .divider-text {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0;
    width: 100%;
    margin: 1rem 0;
    white-space: nowrap;
  }

  .divider-text:not(:empty) {
    gap: 1rem;
  }

  .divider-text::before,
  .divider-text::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--color-outline-variant);
  }

  .divider-text-left::before,
  .divider-text-left.divider-text::before {
    flex: 0 0 2rem;
  }

  .divider-text-right::after,
  .divider-text-right.divider-text::after {
    flex: 0 0 2rem;
  }
}


/* ============================================
 * NAVIGATION COMPONENTS
 * ============================================ */

/**
 * Bottom Navigation Component Styles
 * DuskMoonUI - Material Design 3 inspired bottom navigation system
 */

@layer components {
  /* Base Bottom Navigation */
  .bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: stretch;
    justify-content: space-around;
    min-height: 5rem;
    padding-bottom: env(safe-area-inset-bottom, 0);
    background-color: var(--color-surface);
    box-shadow: 0 -1px 3px 0 color-mix(in srgb, var(--color-shadow) 10%, transparent);
  }

  /* Navigation Item */
  .bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-width: 4rem;
    max-width: 10rem;
    padding: 0.75rem 0.25rem;
    color: var(--color-on-surface-variant);
    background-color: transparent;
    border: none;
    cursor: pointer;
    transition: color 150ms ease-in-out;
    text-decoration: none;
    gap: 0.25rem;
  }

  .bottom-nav-item:hover {
    color: var(--color-on-surface);
  }

  .bottom-nav-item:focus-visible {
    outline: none;
  }

  .bottom-nav-item:focus-visible .bottom-nav-indicator {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Active State */
  .bottom-nav-item.active {
    color: var(--color-on-surface);
  }

  /* Icon Container with Indicator */
  .bottom-nav-indicator {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 2rem;
    border-radius: var(--radius-lg);
    transition: background-color 150ms ease-in-out;
  }

  .bottom-nav-item:hover .bottom-nav-indicator {
    background-color: var(--color-surface-container);
  }

  .bottom-nav-item.active .bottom-nav-indicator {
    background-color: var(--color-secondary-container);
  }

  /* Icon */
  .bottom-nav-icon {
    font-size: 1.5rem;
    line-height: 1;
    transition: font-size 150ms ease-in-out;
  }

  /* Label */
  .bottom-nav-label {
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1rem;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
  }

  .bottom-nav-item.active .bottom-nav-label {
    font-weight: 600;
  }

  /* Badge */
  .bottom-nav-badge {
    position: absolute;
    top: 0;
    right: 0.5rem;
    min-width: 1rem;
    height: 1rem;
    padding: 0 0.25rem;
    font-size: 0.625rem;
    font-weight: 600;
    line-height: 1rem;
    color: var(--color-error-content);
    background-color: var(--color-error);
    border-radius: var(--radius-full);
    text-align: center;
  }

  .bottom-nav-badge-dot {
    min-width: 0.5rem;
    width: 0.5rem;
    height: 0.5rem;
    padding: 0;
    top: 0.125rem;
    right: 0.75rem;
  }

  /* Variants */
  .bottom-nav-elevated {
    box-shadow: 0 -4px 6px -1px color-mix(in srgb, var(--color-shadow) 10%, transparent);
  }

  .bottom-nav-bordered {
    box-shadow: none;
    border-top: 1px solid var(--color-outline-variant);
  }

  .bottom-nav-filled {
    background-color: var(--color-surface-container);
  }

  /* Color Variants */
  .bottom-nav-primary .bottom-nav-item.active .bottom-nav-indicator {
    background-color: var(--color-primary-container);
  }

  .bottom-nav-primary .bottom-nav-item.active {
    color: var(--color-on-primary-container);
  }

  /* Hide Labels */
  .bottom-nav-icons-only .bottom-nav-label {
    display: none;
  }

  .bottom-nav-icons-only .bottom-nav-item {
    padding: 1rem 0.25rem;
  }

  /* Show Labels Only on Active */
  .bottom-nav-labels-active .bottom-nav-label {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity 150ms ease-in-out, max-height 150ms ease-in-out;
  }

  .bottom-nav-labels-active .bottom-nav-item.active .bottom-nav-label {
    opacity: 1;
    max-height: 1rem;
  }

  /* Shifting Animation (like older Material Design) */
  .bottom-nav-shifting .bottom-nav-item {
    flex: 0 1 4rem;
    transition: flex 200ms ease-in-out;
  }

  .bottom-nav-shifting .bottom-nav-item.active {
    flex: 1 1 6rem;
  }

  .bottom-nav-shifting .bottom-nav-label {
    opacity: 0;
    transform: translateY(0.5rem);
    transition: opacity 150ms ease-in-out, transform 150ms ease-in-out;
  }

  .bottom-nav-shifting .bottom-nav-item.active .bottom-nav-label {
    opacity: 1;
    transform: translateY(0);
  }

  /* Rail Style (Side Navigation) */
  .nav-rail {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 5rem;
    padding: 1rem 0;
    background-color: var(--color-surface);
    border-right: 1px solid var(--color-outline-variant);
  }

  .nav-rail .bottom-nav-item {
    width: 100%;
    padding: 0.5rem;
    margin: 0.25rem 0;
  }

  .nav-rail .bottom-nav-indicator {
    width: 3.5rem;
    height: 2rem;
  }

  /* Responsive - Convert to top tabs on larger screens */
  @media (min-width: 768px) {
    .bottom-nav-responsive {
      position: relative;
      bottom: auto;
      justify-content: flex-start;
      gap: 0.5rem;
      min-height: 3rem;
      padding: 0 1rem;
      box-shadow: none;
      border-bottom: 1px solid var(--color-outline-variant);
    }

    .bottom-nav-responsive .bottom-nav-item {
      flex: 0 0 auto;
      flex-direction: row;
      gap: 0.5rem;
      padding: 0.75rem 1rem;
    }

    .bottom-nav-responsive .bottom-nav-indicator {
      width: auto;
      height: auto;
      background-color: transparent !important;
    }

    .bottom-nav-responsive .bottom-nav-item.active {
      border-bottom: 2px solid var(--color-primary);
    }
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .bottom-nav-item,
    .bottom-nav-indicator,
    .bottom-nav-icon,
    .bottom-nav-label,
    .bottom-nav-shifting .bottom-nav-item {
      transition: none;
    }
  }
}

/**
 * Circle Menu Component Styles
 * DuskMoonUI - Radial circular navigation menu with CSS-only checkbox toggle
 *
 * Usage:
 *   <nav class="circle-menu">
 *     <input type="checkbox" class="circle-menu-toggler" id="cm-1">
 *     <label class="circle-menu-label" for="cm-1"></label>
 *     <ul class="circle-menu-list">
 *       <li class="circle-menu-item"><a href="#">icon</a></li>
 *     </ul>
 *   </nav>
 */

@layer components {
  /* === Container === */
  .circle-menu {
    --circle-menu-size: 3rem;
    --circle-menu-item-size: 3rem;
    --circle-menu-radius: 5.5rem;
    --circle-menu-icon-size: 1.25rem;
    --circle-menu-bar-width: 1.125rem;
    --circle-menu-bar-height: 0.1875rem;
    --circle-menu-bar-gap: 0.375rem;

    /* Color tokens (overridden by variants) */
    --circle-menu-btn-bg: var(--color-primary-container);
    --circle-menu-bar-color: var(--color-on-primary-container);
    --circle-menu-item-bg: var(--color-primary-container);
    --circle-menu-item-color: var(--color-on-primary-container);
    --circle-menu-item-ring: color-mix(in oklch, var(--color-primary) 30%, transparent);

    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--circle-menu-size);
    height: var(--circle-menu-size);
  }

  /* === Hidden checkbox toggler === */
  .circle-menu-toggler {
    position: absolute;
    inset: 0;
    margin: auto;
    width: var(--circle-menu-size);
    height: var(--circle-menu-size);
    z-index: 10;
    opacity: 0;
    cursor: pointer;
  }

  /* === Circular toggle button (label) === */
  .circle-menu-label {
    position: absolute;
    inset: 0;
    margin: auto;
    display: block;
    width: var(--circle-menu-size);
    height: var(--circle-menu-size);
    border-radius: var(--radius-full);
    background-color: var(--circle-menu-btn-bg);
    z-index: 1;
    pointer-events: none;
    transition: background-color 0.3s ease;
  }

  /* Top bar of hamburger icon */
  .circle-menu-label::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: var(--circle-menu-bar-width);
    height: var(--circle-menu-bar-height);
    border-radius: var(--radius-full);
    background-color: var(--circle-menu-bar-color);
    /* Box-shadow creates middle + bottom bars */
    box-shadow:
      0 var(--circle-menu-bar-gap) 0 var(--circle-menu-bar-color),
      0 calc(-1 * var(--circle-menu-bar-gap)) 0 var(--circle-menu-bar-color);
    transform: translate(-50%, -50%);
    transition:
      transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
      box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  }

  /* Second diagonal of X (hidden by default) */
  .circle-menu-label::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: var(--circle-menu-bar-width);
    height: var(--circle-menu-bar-height);
    border-radius: var(--radius-full);
    background-color: var(--circle-menu-bar-color);
    transform: translate(-50%, -50%) rotate(-45deg);
    opacity: 0;
    transition: opacity 0.25s ease;
  }

  /* Hover: lighten the toggle button */
  .circle-menu-toggler:hover + .circle-menu-label {
    background-color: color-mix(in oklch, var(--circle-menu-btn-bg) 80%, var(--circle-menu-bar-color));
  }

  /* Focus visible ring on toggle button */
  .circle-menu-toggler:focus-visible + .circle-menu-label {
    outline: none;
    box-shadow: 0 0 0 3px var(--circle-menu-item-ring);
  }

  /* === Checked: hamburger → X === */
  .circle-menu-toggler:checked + .circle-menu-label::before {
    box-shadow: none;
    transform: translate(-50%, -50%) rotate(45deg);
  }

  .circle-menu-toggler:checked + .circle-menu-label::after {
    opacity: 1;
  }

  /* === Menu list === */
  .circle-menu-list {
    position: absolute;
    inset: 0;
    margin: 0;
    padding: 0;
    list-style: none;
    pointer-events: none;
  }

  /* === Menu items (collapsed at center) === */
  .circle-menu-item {
    position: absolute;
    inset: 0;
    margin: auto;
    width: var(--circle-menu-item-size);
    height: var(--circle-menu-item-size);
    opacity: 0;
    transition:
      transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
      opacity 0.3s ease;
  }

  /* Item anchor/button — circular shape */
  .circle-menu-item a,
  .circle-menu-item button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-size: var(--circle-menu-icon-size);
    color: var(--circle-menu-item-color);
    background-color: var(--circle-menu-item-bg);
    border: none;
    cursor: pointer;
    pointer-events: none;
    transition:
      box-shadow 0.2s ease,
      background-color 0.2s ease;
  }

  .circle-menu-item a:hover,
  .circle-menu-item button:hover {
    background-color: color-mix(in oklch, var(--circle-menu-item-bg) 80%, var(--circle-menu-item-color));
    box-shadow: 0 0 0 3px var(--circle-menu-item-ring);
  }

  .circle-menu-item a:focus-visible,
  .circle-menu-item button:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--circle-menu-item-ring);
  }

  /* Counter-rotate icons to stay upright as item container rotates */
  .circle-menu-item:nth-child(1) a,
  .circle-menu-item:nth-child(1) button { transform: rotate(0deg); }
  .circle-menu-item:nth-child(2) a,
  .circle-menu-item:nth-child(2) button { transform: rotate(-60deg); }
  .circle-menu-item:nth-child(3) a,
  .circle-menu-item:nth-child(3) button { transform: rotate(-120deg); }
  .circle-menu-item:nth-child(4) a,
  .circle-menu-item:nth-child(4) button { transform: rotate(-180deg); }
  .circle-menu-item:nth-child(5) a,
  .circle-menu-item:nth-child(5) button { transform: rotate(-240deg); }
  .circle-menu-item:nth-child(6) a,
  .circle-menu-item:nth-child(6) button { transform: rotate(-300deg); }

  /* === Checked: fan items out in a circle === */
  .circle-menu-toggler:checked ~ .circle-menu-list {
    pointer-events: auto;
  }

  .circle-menu-toggler:checked ~ .circle-menu-list .circle-menu-item {
    opacity: 1;
  }

  .circle-menu-toggler:checked ~ .circle-menu-list .circle-menu-item a,
  .circle-menu-toggler:checked ~ .circle-menu-list .circle-menu-item button {
    pointer-events: auto;
  }

  /* Radial positions for up to 6 items (rotate + translate along rotated X axis) */
  .circle-menu-toggler:checked ~ .circle-menu-list .circle-menu-item:nth-child(1) {
    transform: rotate(0deg) translateX(calc(-1 * var(--circle-menu-radius)));
  }
  .circle-menu-toggler:checked ~ .circle-menu-list .circle-menu-item:nth-child(2) {
    transform: rotate(60deg) translateX(calc(-1 * var(--circle-menu-radius)));
  }
  .circle-menu-toggler:checked ~ .circle-menu-list .circle-menu-item:nth-child(3) {
    transform: rotate(120deg) translateX(calc(-1 * var(--circle-menu-radius)));
  }
  .circle-menu-toggler:checked ~ .circle-menu-list .circle-menu-item:nth-child(4) {
    transform: rotate(180deg) translateX(calc(-1 * var(--circle-menu-radius)));
  }
  .circle-menu-toggler:checked ~ .circle-menu-list .circle-menu-item:nth-child(5) {
    transform: rotate(240deg) translateX(calc(-1 * var(--circle-menu-radius)));
  }
  .circle-menu-toggler:checked ~ .circle-menu-list .circle-menu-item:nth-child(6) {
    transform: rotate(300deg) translateX(calc(-1 * var(--circle-menu-radius)));
  }

  /* === Size variants === */
  .circle-menu-sm {
    --circle-menu-size: 2.5rem;
    --circle-menu-item-size: 2.5rem;
    --circle-menu-radius: 4.5rem;
    --circle-menu-icon-size: 1rem;
    --circle-menu-bar-width: 0.9375rem;
    --circle-menu-bar-gap: 0.3125rem;
  }

  .circle-menu-lg {
    --circle-menu-size: 3.5rem;
    --circle-menu-item-size: 3.5rem;
    --circle-menu-radius: 6.5rem;
    --circle-menu-icon-size: 1.5rem;
    --circle-menu-bar-width: 1.3125rem;
    --circle-menu-bar-gap: 0.4375rem;
  }

  /* === Color variants === */
  .circle-menu-primary {
    --circle-menu-btn-bg: var(--color-primary);
    --circle-menu-bar-color: var(--color-primary-content);
    --circle-menu-item-bg: var(--color-primary);
    --circle-menu-item-color: var(--color-primary-content);
    --circle-menu-item-ring: color-mix(in oklch, var(--color-primary) 40%, transparent);
  }

  .circle-menu-secondary {
    --circle-menu-btn-bg: var(--color-secondary);
    --circle-menu-bar-color: var(--color-secondary-content);
    --circle-menu-item-bg: var(--color-secondary);
    --circle-menu-item-color: var(--color-secondary-content);
    --circle-menu-item-ring: color-mix(in oklch, var(--color-secondary) 40%, transparent);
  }

  .circle-menu-tertiary {
    --circle-menu-btn-bg: var(--color-tertiary);
    --circle-menu-bar-color: var(--color-tertiary-content);
    --circle-menu-item-bg: var(--color-tertiary);
    --circle-menu-item-color: var(--color-tertiary-content);
    --circle-menu-item-ring: color-mix(in oklch, var(--color-tertiary) 40%, transparent);
  }

  .circle-menu-info {
    --circle-menu-btn-bg: var(--color-info);
    --circle-menu-bar-color: var(--color-info-content);
    --circle-menu-item-bg: var(--color-info);
    --circle-menu-item-color: var(--color-info-content);
    --circle-menu-item-ring: color-mix(in oklch, var(--color-info) 40%, transparent);
  }

  .circle-menu-success {
    --circle-menu-btn-bg: var(--color-success);
    --circle-menu-bar-color: var(--color-success-content);
    --circle-menu-item-bg: var(--color-success);
    --circle-menu-item-color: var(--color-success-content);
    --circle-menu-item-ring: color-mix(in oklch, var(--color-success) 40%, transparent);
  }

  .circle-menu-warning {
    --circle-menu-btn-bg: var(--color-warning);
    --circle-menu-bar-color: var(--color-warning-content);
    --circle-menu-item-bg: var(--color-warning);
    --circle-menu-item-color: var(--color-warning-content);
    --circle-menu-item-ring: color-mix(in oklch, var(--color-warning) 40%, transparent);
  }

  .circle-menu-error {
    --circle-menu-btn-bg: var(--color-error);
    --circle-menu-bar-color: var(--color-error-content);
    --circle-menu-item-bg: var(--color-error);
    --circle-menu-item-color: var(--color-error-content);
    --circle-menu-item-ring: color-mix(in oklch, var(--color-error) 40%, transparent);
  }

  .circle-menu-accent {
    --circle-menu-btn-bg: var(--color-accent);
    --circle-menu-bar-color: var(--color-accent-content);
    --circle-menu-item-bg: var(--color-accent);
    --circle-menu-item-color: var(--color-accent-content);
    --circle-menu-item-ring: color-mix(in oklch, var(--color-accent) 40%, transparent);
  }

  .circle-menu-neutral {
    --circle-menu-btn-bg: var(--color-neutral);
    --circle-menu-bar-color: var(--color-neutral-content);
    --circle-menu-item-bg: var(--color-neutral);
    --circle-menu-item-color: var(--color-neutral-content);
    --circle-menu-item-ring: color-mix(in oklch, var(--color-neutral) 40%, transparent);
  }

  .circle-menu-base {
    --circle-menu-btn-bg: var(--color-base-100);
    --circle-menu-bar-color: var(--color-base-content);
    --circle-menu-item-bg: var(--color-base-100);
    --circle-menu-item-color: var(--color-base-content);
    --circle-menu-item-ring: color-mix(in oklch, var(--color-base-content) 40%, transparent);
  }

  /* === Reduced motion === */
  @media (prefers-reduced-motion: reduce) {
    .circle-menu-label {
      transition: none;
    }

    .circle-menu-label::before,
    .circle-menu-label::after {
      transition: none;
    }

    .circle-menu-item {
      transition: none;
    }

    .circle-menu-item a,
    .circle-menu-item button {
      transition: none;
    }
  }
}

/**
 * Drawer Component Styles
 * DuskMoonUI - Material Design 3 inspired navigation drawer system
 */

@layer components {
  /* Drawer Backdrop */
  .drawer-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1100;
    background-color: color-mix(in srgb, var(--color-scrim) 50%, transparent);
    opacity: 0;
    visibility: hidden;
    transition: opacity 300ms ease-out, visibility 300ms ease-out;
  }

  .drawer-backdrop-show {
    opacity: 1;
    visibility: visible;
  }

  /* Base Drawer */
  .drawer {
    position: fixed;
    z-index: 1200;
    display: flex;
    flex-direction: column;
    background-color: var(--color-surface-container-low);
    box-shadow: var(--shadow-2xl);
    transition: transform 300ms ease-out;
  }

  /* Surface Variants */
  .drawer-surface {
    background-color: var(--color-surface);
  }

  .drawer-surface-container {
    background-color: var(--color-surface-container);
  }

  .drawer-surface-container-low {
    background-color: var(--color-surface-container-low);
  }

  .drawer-surface-container-high {
    background-color: var(--color-surface-container-high);
  }

  /* Drawer Positions */
  .drawer-left {
    top: 0;
    left: 0;
    bottom: 0;
    width: 20rem;
    max-width: calc(100vw - 3.5rem);
    transform: translateX(-100%);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  }

  .drawer-left.drawer-open {
    transform: translateX(0);
  }

  .drawer-right {
    top: 0;
    right: 0;
    bottom: 0;
    width: 20rem;
    max-width: calc(100vw - 3.5rem);
    transform: translateX(100%);
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  }

  .drawer-right.drawer-open {
    transform: translateX(0);
  }

  .drawer-top {
    top: 0;
    left: 0;
    right: 0;
    height: auto;
    max-height: 80vh;
    transform: translateY(-100%);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }

  .drawer-top.drawer-open {
    transform: translateY(0);
  }

  .drawer-bottom {
    bottom: 0;
    left: 0;
    right: 0;
    height: auto;
    max-height: 80vh;
    transform: translateY(100%);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }

  .drawer-bottom.drawer-open {
    transform: translateY(0);
  }

  /* Drawer Header */
  .drawer-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border-bottom: 1px solid var(--color-outline-variant);
    flex-shrink: 0;
  }

  .drawer-title {
    flex: 1;
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-on-surface);
  }

  .drawer-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    color: var(--color-on-surface-variant);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color 150ms ease-in-out;
  }

  .drawer-close:hover {
    background-color: var(--color-surface-container);
  }

  .drawer-close:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Drawer Body (main content area) */
  .drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem 0.75rem;
  }

  /* Drawer Footer */
  .drawer-footer {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border-top: 1px solid var(--color-outline-variant);
    flex-shrink: 0;
  }

  /* Drawer Item */
  .drawer-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-on-surface-variant);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-2xl);
    cursor: pointer;
    text-decoration: none;
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out;
    width: 100%;
  }

  .drawer-item:hover {
    background-color: var(--color-surface-container);
    color: var(--color-on-surface);
  }

  .drawer-item:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Active Item States */
  .drawer-item-active,
  .drawer-item-active-primary {
    background-color: var(--color-secondary-container);
    color: var(--color-on-secondary-container);
  }

  .drawer-item-active-secondary {
    background-color: var(--color-secondary-container);
    color: var(--color-on-secondary-container);
  }

  .drawer-item-active-tertiary {
    background-color: var(--color-tertiary-container);
    color: var(--color-on-tertiary-container);
  }

  /* Drawer Item Icon */
  .drawer-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    font-size: 1.25rem;
    flex-shrink: 0;
  }

  /* Drawer Item Badge */
  .drawer-item-badge {
    padding: 0.125rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    background-color: var(--color-error-container);
    color: var(--color-on-error-container);
    border-radius: var(--radius-full);
    margin-left: auto;
  }

  /* Nested Items */
  .drawer-item-nested {
    padding-left: 3rem;
  }

  .drawer-item-nested-2 {
    padding-left: 4.5rem;
  }

  /* Drawer Label (Section title) */
  .drawer-label {
    padding: 0.75rem 1rem 0.5rem;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-on-surface-variant);
  }

  /* Drawer Divider */
  .drawer-divider {
    height: 1px;
    margin: 0.5rem 1rem;
    background-color: var(--color-outline-variant);
  }

  /* User Profile in Drawer */
  .drawer-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border-bottom: 1px solid var(--color-outline-variant);
  }

  .drawer-profile-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-full);
    background-color: var(--color-primary-container);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--color-on-primary-container);
    flex-shrink: 0;
  }

  .drawer-profile-info {
    flex: 1;
    min-width: 0;
  }

  .drawer-profile-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-on-surface);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .drawer-profile-email {
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  /* Permanent/Persistent Drawer */
  .drawer-permanent {
    position: relative;
    transform: none;
    box-shadow: none;
    border-radius: 0;
    border-right: 1px solid var(--color-outline-variant);
  }

  .drawer-permanent.drawer-right {
    border-right: none;
    border-left: 1px solid var(--color-outline-variant);
  }

  /* Rail Drawer (Icon-only collapsed) */
  .drawer-rail {
    width: 5rem;
    overflow: hidden;
    transition: width 300ms ease-out;
  }

  .drawer-rail:hover,
  .drawer-rail.expanded {
    width: 20rem;
  }

  .drawer-rail .drawer-item span:not(.drawer-item-icon) {
    opacity: 0;
    transition: opacity 150ms ease-out;
  }

  .drawer-rail:hover .drawer-item span:not(.drawer-item-icon),
  .drawer-rail.expanded .drawer-item span:not(.drawer-item-icon) {
    opacity: 1;
  }

  /* Size Variants */
  .drawer-sm {
    width: 12rem;
  }

  .drawer-md {
    width: 16rem;
  }

  .drawer-lg {
    width: 20rem;
  }

  .drawer-xl {
    width: 24rem;
  }

  .drawer-full {
    width: 100%;
    max-width: 100%;
    border-radius: 0;
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .drawer,
    .drawer-backdrop,
    .drawer-close,
    .drawer-item,
    .drawer-rail {
      transition: none;
    }
  }
}

/**
 * Nested Menu Component Styles
 * DuskMoonUI - Sidebar navigation with collapsible cascading levels via <details>/<summary>
 */

@layer components {
  /* ============================================
   * ROOT CONTAINER
   * ============================================ */

  .nested-menu {
    display: flex;
    flex-direction: column;
    list-style: none;
    margin: 0;
    padding: 0.5rem;
    gap: 0.125rem;
    font-size: 0.875rem;
    color: var(--color-on-surface);
  }

  /* ============================================
   * SECTION TITLES
   * ============================================ */

  .nested-menu-title {
    padding: 0.75rem 0.75rem 0.25rem;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-on-surface-variant);
    user-select: none;
  }

  /* ============================================
   * MENU ITEMS (links and buttons)
   * ============================================ */

  .nested-menu li > a,
  .nested-menu li > button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: inherit;
    color: var(--color-on-surface);
    text-decoration: none;
    background-color: transparent;
    border: none;
    border-radius: var(--radius-field, 0.375rem);
    cursor: pointer;
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out;
  }

  .nested-menu li > a:hover,
  .nested-menu li > button:hover {
    background-color: var(--color-surface-container);
  }

  .nested-menu li > a:focus-visible,
  .nested-menu li > button:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Active state */
  .nested-menu li > a.active,
  .nested-menu li > button.active,
  .nested-menu li > a[aria-current="page"],
  .nested-menu li > button[aria-current="page"] {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  .nested-menu li > a.active:hover,
  .nested-menu li > button.active:hover,
  .nested-menu li > a[aria-current="page"]:hover,
  .nested-menu li > button[aria-current="page"]:hover {
    background-color: color-mix(in oklch, var(--color-primary-container), var(--color-on-primary-container) 8%);
  }

  /* Disabled state */
  .nested-menu li.disabled {
    opacity: 0.5;
    pointer-events: none;
  }

  /* ============================================
   * COLLAPSIBLE SUBMENUS (<details>/<summary>)
   * ============================================ */

  .nested-menu details {
    width: 100%;
  }

  /* Remove native marker */
  .nested-menu summary {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: inherit;
    color: var(--color-on-surface);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-field, 0.375rem);
    cursor: pointer;
    list-style: none;
    transition: background-color 150ms ease-in-out;
  }

  .nested-menu summary::-webkit-details-marker {
    display: none;
  }

  .nested-menu summary::marker {
    display: none;
    content: "";
  }

  .nested-menu summary:hover {
    background-color: var(--color-surface-container);
  }

  .nested-menu summary:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Chevron indicator */
  .nested-menu summary::after {
    content: "";
    display: inline-block;
    margin-left: auto;
    width: 0.375rem;
    height: 0.375rem;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(-45deg);
    transition: transform 200ms ease-in-out;
    flex-shrink: 0;
    opacity: 0.6;
  }

  .nested-menu details[open] > summary::after {
    transform: rotate(45deg);
  }

  /* Nested <ul> inside details — auto-indentation */
  .nested-menu details > ul {
    list-style: none;
    margin: 0;
    padding: 0.125rem 0 0.125rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
  }

  /* ============================================
   * SIZE VARIANTS
   * ============================================ */

  .nested-menu-xs {
    font-size: 0.75rem;
    padding: 0.25rem;
  }

  .nested-menu-xs li > a,
  .nested-menu-xs li > button,
  .nested-menu-xs summary {
    padding: 0.25rem 0.5rem;
    gap: 0.375rem;
  }

  .nested-menu-xs .nested-menu-title {
    padding: 0.5rem 0.5rem 0.125rem;
    font-size: 0.625rem;
  }

  .nested-menu-sm {
    font-size: 0.8125rem;
    padding: 0.375rem;
  }

  .nested-menu-sm li > a,
  .nested-menu-sm li > button,
  .nested-menu-sm summary {
    padding: 0.375rem 0.625rem;
    gap: 0.375rem;
  }

  .nested-menu-sm .nested-menu-title {
    padding: 0.625rem 0.625rem 0.1875rem;
    font-size: 0.625rem;
  }

  .nested-menu-lg {
    font-size: 1rem;
    padding: 0.625rem;
  }

  .nested-menu-lg li > a,
  .nested-menu-lg li > button,
  .nested-menu-lg summary {
    padding: 0.625rem 1rem;
    gap: 0.625rem;
  }

  .nested-menu-lg .nested-menu-title {
    padding: 0.875rem 1rem 0.375rem;
    font-size: 0.75rem;
  }

  /* ============================================
   * MODIFIER VARIANTS
   * ============================================ */

  /* Bordered — sidebar panel look */
  .nested-menu-bordered {
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--radius-card, 0.75rem);
    box-shadow: var(--shadow-sm);
  }

  /* Compact — tighter padding throughout */
  .nested-menu-compact {
    padding: 0.25rem;
    gap: 0;
  }

  .nested-menu-compact li > a,
  .nested-menu-compact li > button,
  .nested-menu-compact summary {
    padding: 0.3125rem 0.625rem;
  }

  .nested-menu-compact .nested-menu-title {
    padding: 0.5rem 0.625rem 0.125rem;
  }

  .nested-menu-compact details > ul {
    padding: 0 0 0 0.75rem;
  }

  /* ============================================
   * REDUCED MOTION
   * ============================================ */

  @media (prefers-reduced-motion: reduce) {
    .nested-menu li > a,
    .nested-menu li > button,
    .nested-menu summary,
    .nested-menu summary::after {
      transition: none;
    }
  }
}

/**
 * Stepper Component Styles
 * DuskMoonUI - Material Design 3 inspired stepper/wizard system
 */

@layer components {
  /* Base Stepper (Horizontal) */
  .stepper {
    display: flex;
    align-items: flex-start;
    gap: 0;
  }

  /* Stepper Step */
  .stepper-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    position: relative;
  }

  /* Step Connector (using explicit class) */
  .stepper-step-connector {
    position: absolute;
    top: 1.25rem;
    left: calc(50% + 1.25rem);
    width: calc(100% - 2.5rem);
    height: 2px;
    background-color: var(--color-outline-variant);
  }

  .stepper-step:last-child .stepper-step-connector {
    display: none;
  }

  .stepper-step-completed .stepper-step-connector {
    background-color: var(--color-primary);
  }

  /* Step Button */
  .stepper-step-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    z-index: 1;
    background: none;
    border: none;
    padding: 0;
  }

  .stepper-step-button:focus-visible {
    outline: none;
  }

  .stepper-step-button:focus-visible .stepper-step-icon {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Step Icon (Number/Icon Circle) */
  .stepper-step-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-on-surface-variant);
    background-color: var(--color-surface);
    border: 2px solid var(--color-outline-variant);
    border-radius: var(--radius-full);
    transition: background-color 150ms ease-in-out, border-color 150ms ease-in-out, color 150ms ease-in-out;
  }

  .stepper-step-active .stepper-step-icon {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-primary-content);
  }

  .stepper-step-completed .stepper-step-icon {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-primary-content);
  }

  .stepper-step-error .stepper-step-icon {
    background-color: var(--color-error);
    border-color: var(--color-error);
    color: var(--color-error-content);
  }

  .stepper-step-disabled .stepper-step-icon {
    opacity: 0.6;
    cursor: not-allowed;
  }

  /* Step Labels */
  .stepper-step-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-on-surface);
    text-align: center;
  }

  .stepper-step-active .stepper-step-label {
    color: var(--color-primary);
  }

  .stepper-step-error .stepper-step-label {
    color: var(--color-error);
  }

  .stepper-step-description {
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
    margin-top: 0.125rem;
    text-align: center;
  }

  /* Step Content (for vertical stepper) */
  .stepper-step-content {
    margin-top: 1.5rem;
    padding: 0 1rem;
    width: 100%;
  }

  /* Optional Step Marker */
  .stepper-step-optional::after {
    content: '(Optional)';
    display: block;
    font-size: 0.6875rem;
    color: var(--color-on-surface-variant);
    margin-top: 0.125rem;
  }

  /* Vertical Stepper */
  .stepper-vertical {
    flex-direction: column;
    align-items: flex-start;
  }

  .stepper-vertical .stepper-step {
    flex-direction: row;
    align-items: flex-start;
    width: 100%;
  }

  .stepper-vertical .stepper-step-connector {
    top: 2.5rem;
    left: 1.25rem;
    width: 2px;
    height: calc(100% - 2.5rem);
    transform: translateX(-50%);
  }

  .stepper-vertical .stepper-step-button {
    flex-direction: row;
    align-items: center;
  }

  .stepper-vertical .stepper-step-label,
  .stepper-vertical .stepper-step-description {
    text-align: left;
    margin-left: 1rem;
  }

  .stepper-vertical .stepper-step-content {
    margin-top: 0;
    margin-left: 3.5rem;
    padding: 1rem 0 1.5rem;
  }

  /* Color Variants */
  .stepper-secondary .stepper-step-active .stepper-step-icon,
  .stepper-secondary .stepper-step-completed .stepper-step-icon {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
    color: var(--color-secondary-content);
  }

  .stepper-secondary .stepper-step-completed .stepper-step-connector {
    background-color: var(--color-secondary);
  }

  .stepper-secondary .stepper-step-active .stepper-step-label {
    color: var(--color-secondary);
  }

  .stepper-tertiary .stepper-step-active .stepper-step-icon,
  .stepper-tertiary .stepper-step-completed .stepper-step-icon {
    background-color: var(--color-tertiary);
    border-color: var(--color-tertiary);
    color: var(--color-tertiary-content);
  }

  .stepper-tertiary .stepper-step-completed .stepper-step-connector {
    background-color: var(--color-tertiary);
  }

  .stepper-tertiary .stepper-step-active .stepper-step-label {
    color: var(--color-tertiary);
  }

  /* Compact/Small Variant */
  .stepper-sm .stepper-step-icon {
    width: 2rem;
    height: 2rem;
    font-size: 0.75rem;
  }

  .stepper-sm .stepper-step-connector {
    top: 1rem;
    left: calc(50% + 1rem);
    width: calc(100% - 2rem);
  }

  .stepper-sm .stepper-step-label {
    font-size: 0.75rem;
  }

  .stepper-sm .stepper-step-description {
    font-size: 0.625rem;
  }

  /* Large Variant */
  .stepper-lg .stepper-step-icon {
    width: 3rem;
    height: 3rem;
    font-size: 1rem;
  }

  .stepper-lg .stepper-step-connector {
    top: 1.5rem;
    left: calc(50% + 1.5rem);
    width: calc(100% - 3rem);
  }

  /* Alternative Label Positioning */
  .stepper-alt-labels .stepper-step-connector {
    top: 1.25rem;
    left: calc(50% + 2rem);
    width: calc(100% - 4rem);
  }

  /* Dot Stepper (Minimal) */
  .stepper-dots {
    gap: 0.5rem;
  }

  .stepper-dots .stepper-step-icon {
    width: 0.75rem;
    height: 0.75rem;
    font-size: 0;
    border-width: 0;
    background-color: var(--color-outline-variant);
  }

  .stepper-dots .stepper-step-active .stepper-step-icon {
    width: 1.5rem;
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
  }

  .stepper-dots .stepper-step-completed .stepper-step-icon {
    background-color: var(--color-primary);
  }

  .stepper-dots .stepper-step-connector {
    display: none;
  }

  .stepper-dots .stepper-step-label,
  .stepper-dots .stepper-step-description {
    display: none;
  }

  /* Clickable Steps */
  .stepper-clickable .stepper-step-button {
    cursor: pointer;
  }

  .stepper-clickable .stepper-step-button:hover .stepper-step-icon {
    border-color: var(--color-primary);
  }

  .stepper-clickable .stepper-step-completed .stepper-step-button:hover .stepper-step-icon {
    background-color: var(--color-primary-container);
  }

  /* Disabled State */
  .stepper-step-disabled .stepper-step-button {
    cursor: not-allowed;
    opacity: 0.6;
  }

  /* Icon Stepper */
  .stepper-icons .stepper-step-icon {
    font-size: 1.25rem;
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .stepper-step-icon,
    .stepper-dots .stepper-step-icon {
      transition: none;
    }
  }
}


/* ============================================
 * SURFACE COMPONENTS
 * ============================================ */

/**
 * Accordion Component Styles
 * DuskMoonUI - Material Design 3 inspired accordion/expansion panel system
 */

@layer components {
  /* Accordion Container */
  .accordion {
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-md);
    overflow: hidden;
  }

  /* Accordion Item */
  .accordion-item {
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline-variant);
    margin-top: -1px;
  }

  .accordion-item:first-child {
    margin-top: 0;
    border-top-left-radius: var(--radius-md);
    border-top-right-radius: var(--radius-md);
  }

  .accordion-item:last-child {
    border-bottom-left-radius: var(--radius-md);
    border-bottom-right-radius: var(--radius-md);
  }

  /* Accordion Header */
  .accordion-header {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-on-surface);
    background-color: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: background-color 150ms ease-in-out;
  }

  .accordion-header:hover {
    background-color: var(--color-surface-container);
  }

  .accordion-header:focus-visible {
    outline: none;
    background-color: var(--color-surface-container);
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .accordion-item.open .accordion-header {
    background-color: var(--color-surface-container);
  }

  /* Accordion Icon */
  .accordion-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    margin-right: 0.75rem;
    color: var(--color-on-surface-variant);
    flex-shrink: 0;
  }

  /* Accordion Title */
  .accordion-title {
    flex: 1;
  }

  /* Accordion Subtitle */
  .accordion-subtitle {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--color-on-surface-variant);
    margin-top: 0.125rem;
  }

  /* Accordion Expand Icon */
  .accordion-expand {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    margin-left: auto;
    color: var(--color-on-surface-variant);
    transition: transform 200ms ease-in-out;
    flex-shrink: 0;
  }

  .accordion-item.open .accordion-expand {
    transform: rotate(180deg);
  }

  /* Accordion Content */
  .accordion-content {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 200ms ease-in-out;
  }

  .accordion-item.open .accordion-content {
    grid-template-rows: 1fr;
  }

  .accordion-body {
    overflow: hidden;
  }

  .accordion-body-inner {
    padding: 0 1rem 1rem;
    font-size: 0.875rem;
    color: var(--color-on-surface-variant);
    line-height: 1.5;
  }

  /* Borderless Variant */
  .accordion-borderless .accordion-item {
    border: none;
    border-bottom: 1px solid var(--color-outline-variant);
    border-radius: 0;
  }

  .accordion-borderless .accordion-item:last-child {
    border-bottom: none;
  }

  /* Separated Variant */
  .accordion-separated .accordion-item {
    margin-top: 0.5rem;
    border-radius: var(--radius-md);
  }

  .accordion-separated .accordion-item:first-child {
    margin-top: 0;
  }

  /* Filled Variant */
  .accordion-filled .accordion-item {
    background-color: var(--color-surface-container);
    border: none;
  }

  .accordion-filled .accordion-header:hover,
  .accordion-filled .accordion-item.open .accordion-header {
    background-color: var(--color-surface-container-high);
  }

  /* Compact Variant */
  .accordion-compact .accordion-header {
    padding: 0.75rem;
  }

  .accordion-compact .accordion-body-inner {
    padding: 0 0.75rem 0.75rem;
  }

  /* Large Variant */
  .accordion-lg .accordion-header {
    padding: 1.25rem;
    font-size: 1rem;
  }

  .accordion-lg .accordion-body-inner {
    padding: 0 1.25rem 1.25rem;
    font-size: 1rem;
  }

  /* Disabled State */
  .accordion-item.disabled .accordion-header {
    cursor: not-allowed;
    opacity: 0.6;
    background-color: transparent;
  }

  .accordion-item.disabled .accordion-header:hover {
    background-color: transparent;
  }

  /* Flush Variant (no outer border radius) */
  .accordion-flush {
    border-radius: 0;
  }

  .accordion-flush .accordion-item:first-child,
  .accordion-flush .accordion-item:last-child {
    border-radius: 0;
  }

  /* Multiple open */
  .accordion-multiple .accordion-item.open + .accordion-item.open {
    border-top-color: transparent;
  }

  /* With Actions */
  .accordion-actions {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background-color: var(--color-surface-container);
    border-top: 1px solid var(--color-outline-variant);
  }

  /* Nested Accordion */
  .accordion-nested {
    margin: 0 -1rem;
    border-radius: 0;
  }

  .accordion-nested .accordion-item {
    border-left: none;
    border-right: none;
    border-radius: 0;
  }

  /* Color Variants */
  .accordion-primary .accordion-item.open .accordion-header {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
  }

  .accordion-primary .accordion-item.open .accordion-expand {
    color: var(--color-on-primary-container);
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .accordion-content,
    .accordion-expand,
    .accordion-header {
      transition: none;
    }
  }
}

/**
 * Bottom Sheet Component Styles
 * DuskMoonUI - Material Design 3 inspired bottom sheet system
 */

@layer components {
  /* Bottom Sheet Backdrop */
  .bottomsheet-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1100;
    background-color: color-mix(in srgb, var(--color-scrim) 50%, transparent);
    opacity: 0;
    visibility: hidden;
    transition: opacity 300ms ease-out, visibility 300ms ease-out;
  }

  .bottomsheet-backdrop.show {
    opacity: 1;
    visibility: visible;
  }

  /* Base Bottom Sheet */
  .bottomsheet {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1200;
    display: flex;
    flex-direction: column;
    max-height: 90vh;
    background-color: var(--color-surface);
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    box-shadow: 0 -25px 50px -12px color-mix(in srgb, var(--color-shadow) 25%, transparent);
    transform: translateY(100%);
    transition: transform 300ms ease-out;
    padding-bottom: env(safe-area-inset-bottom, 0);
  }

  .bottomsheet.show {
    transform: translateY(0);
  }

  /* Drag Handle */
  .bottomsheet-handle {
    display: flex;
    justify-content: center;
    padding: 1rem;
    cursor: grab;
    touch-action: none;
  }

  .bottomsheet-handle::before {
    content: '';
    width: 2rem;
    height: 0.25rem;
    background-color: var(--color-outline-variant);
    border-radius: var(--radius-full);
  }

  .bottomsheet-handle:active {
    cursor: grabbing;
  }

  /* Bottom Sheet Header */
  .bottomsheet-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0 1.5rem 1rem;
    flex-shrink: 0;
  }

  .bottomsheet-title {
    flex: 1;
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-on-surface);
  }

  .bottomsheet-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    color: var(--color-on-surface-variant);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color 150ms ease-in-out;
  }

  .bottomsheet-close:hover {
    background-color: var(--color-surface-container);
  }

  .bottomsheet-close:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Bottom Sheet Content */
  .bottomsheet-content {
    flex: 1;
    overflow-y: auto;
    padding: 0 1.5rem;
    overscroll-behavior: contain;
  }

  /* Bottom Sheet Footer */
  .bottomsheet-footer {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-outline-variant);
    flex-shrink: 0;
  }

  /* List Items in Bottom Sheet */
  .bottomsheet-list {
    display: flex;
    flex-direction: column;
    margin: 0 -1.5rem;
  }

  .bottomsheet-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 0.875rem;
    color: var(--color-on-surface);
    background-color: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    text-decoration: none;
    transition: background-color 150ms ease-in-out;
  }

  .bottomsheet-item:hover {
    background-color: var(--color-surface-container);
  }

  .bottomsheet-item:focus-visible {
    outline: none;
    background-color: var(--color-surface-container);
    box-shadow: inset 0 0 0 2px var(--color-primary);
  }

  .bottomsheet-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    color: var(--color-on-surface-variant);
    font-size: 1.25rem;
    flex-shrink: 0;
  }

  .bottomsheet-item-content {
    flex: 1;
    min-width: 0;
  }

  .bottomsheet-item-label {
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .bottomsheet-item-description {
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
    margin-top: 0.125rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  /* Grid Items */
  .bottomsheet-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    padding: 0.5rem 0;
  }

  .bottomsheet-grid-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 0.5rem;
    font-size: 0.75rem;
    color: var(--color-on-surface);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color 150ms ease-in-out;
  }

  .bottomsheet-grid-item:hover {
    background-color: var(--color-surface-container);
  }

  .bottomsheet-grid-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    font-size: 1.5rem;
    background-color: var(--color-surface-container-high);
    border-radius: var(--radius-full);
    color: var(--color-on-surface-variant);
  }

  /* Size Variants */
  .bottomsheet-sm {
    max-height: 50vh;
  }

  .bottomsheet-lg {
    max-height: 95vh;
  }

  .bottomsheet-full {
    max-height: 100vh;
    height: 100vh;
    border-radius: 0;
  }

  /* Persistent (non-modal) */
  .bottomsheet-persistent {
    position: absolute;
    box-shadow: 0 -4px 6px -1px color-mix(in srgb, var(--color-shadow) 10%, transparent);
  }

  /* Expandable Heights */
  .bottomsheet-peek {
    max-height: 30vh;
  }

  .bottomsheet-half {
    max-height: 50vh;
  }

  .bottomsheet-expanded {
    max-height: 90vh;
  }

  /* Detent Indicators */
  .bottomsheet-detents {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }

  .bottomsheet-detent {
    width: 0.25rem;
    height: 1rem;
    background-color: var(--color-outline-variant);
    border-radius: var(--radius-full);
    cursor: pointer;
  }

  .bottomsheet-detent.active {
    background-color: var(--color-primary);
  }

  /* Divider in Bottom Sheet */
  .bottomsheet-divider {
    height: 1px;
    margin: 0.5rem 0;
    background-color: var(--color-outline-variant);
  }

  /* Section Title */
  .bottomsheet-section-title {
    padding: 0.75rem 0;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-on-surface-variant);
  }

  /* Desktop Breakpoint - Convert to Side Sheet */
  @media (min-width: 768px) {
    .bottomsheet-responsive {
      left: auto;
      right: 0;
      top: 0;
      bottom: 0;
      width: 24rem;
      max-width: calc(100vw - 3.5rem);
      max-height: 100vh;
      border-radius: var(--radius-lg) 0 0 var(--radius-lg);
      transform: translateX(100%);
    }

    .bottomsheet-responsive.show {
      transform: translateX(0);
    }

    .bottomsheet-responsive .bottomsheet-handle {
      display: none;
    }
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .bottomsheet,
    .bottomsheet-backdrop,
    .bottomsheet-close,
    .bottomsheet-item,
    .bottomsheet-grid-item {
      transition: none;
    }
  }
}

/**
 * Collapse Component Styles
 * DuskMoonUI - Material Design 3 inspired collapsible content system
 */

@layer components {
  /* Base Collapse */
  .collapse {
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-sm);
    background-color: var(--color-surface);
    /* Override Tailwind's visibility: collapse utility */
    visibility: visible !important;
  }

  /* Collapse Trigger */
  .collapse-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-on-surface);
    background-color: transparent;
    border: none;
    cursor: pointer;
    transition: background-color 150ms ease-in-out;
    text-align: left;
  }

  .collapse-trigger:hover {
    background-color: var(--color-surface-container);
  }

  .collapse-trigger:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Collapse Icon */
  .collapse-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    transition: transform 300ms ease-in-out;
    flex-shrink: 0;
  }

  /* Collapse Content - hidden by default */
  .collapse-content {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 300ms ease-in-out;
    overflow: hidden;
  }

  .collapse-content > * {
    overflow: hidden;
    padding: 0 1rem;
  }

  /* Open State */
  .collapse-open .collapse-content {
    grid-template-rows: 1fr;
  }

  .collapse-open .collapse-content > * {
    padding: 0 1rem 1rem;
  }

  .collapse-open .collapse-icon {
    transform: rotate(180deg);
  }

  /* Closed State (explicit) */
  .collapse-closed .collapse-content {
    grid-template-rows: 0fr;
  }

  /* Legacy show class for backwards compatibility */
  .collapse.show .collapse-content {
    grid-template-rows: 1fr;
  }

  .collapse.show .collapse-content > * {
    padding: 0 1rem 1rem;
  }

  .collapse.show .collapse-icon {
    transform: rotate(180deg);
  }

  /* Collapse Inner (for padding) */
  .collapse-inner {
    /* Add padding here as needed */
  }

  /* Collapse with Fade */
  .collapse-fade {
    opacity: 0;
    transition: grid-template-rows 300ms ease-in-out, opacity 200ms ease-in-out;
  }

  .collapse-fade.show {
    opacity: 1;
    transition: grid-template-rows 300ms ease-in-out, opacity 300ms ease-in-out 100ms;
  }

  /* Collapse Toggle Button */
  .collapse-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
    background-color: transparent;
    border: none;
    cursor: pointer;
    transition: background-color 150ms ease-in-out;
    border-radius: var(--radius-sm);
  }

  .collapse-toggle:hover {
    background-color: var(--color-primary-container);
  }

  .collapse-toggle:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Toggle Icon */
  .collapse-toggle-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    transition: transform 200ms ease-in-out;
  }

  .collapse-toggle[aria-expanded="true"] .collapse-toggle-icon {
    transform: rotate(180deg);
  }

  /* Collapse Card Variant */
  .collapse-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
  }

  .collapse-card .collapse-toggle,
  .collapse-card .collapse-trigger {
    width: 100%;
    justify-content: space-between;
    padding: 1rem;
    border-radius: 0;
    color: var(--color-on-surface);
  }

  .collapse-card .collapse-toggle:hover,
  .collapse-card .collapse-trigger:hover {
    background-color: var(--color-surface-container);
  }

  .collapse-card .collapse-inner,
  .collapse-card .collapse-content > * {
    color: var(--color-on-surface-variant);
  }

  .collapse-card.collapse-open .collapse-inner,
  .collapse-card.collapse-open .collapse-content > *,
  .collapse-card.show .collapse-inner,
  .collapse-card.show .collapse-content > * {
    padding: 0 1rem 1rem;
  }

  /* Bordered Variant */
  .collapse-bordered {
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--radius-sm);
  }

  /* Ghost Variant */
  .collapse-ghost {
    background-color: transparent;
  }

  .collapse-ghost .collapse-trigger:hover {
    background-color: color-mix(in oklch, var(--color-on-surface) 5%, transparent);
  }

  /* Color Variants */
  .collapse-primary .collapse-trigger {
    color: var(--color-primary);
  }

  .collapse-primary .collapse-trigger:hover {
    background-color: var(--color-primary-container);
  }

  .collapse-secondary .collapse-trigger {
    color: var(--color-secondary);
  }

  .collapse-secondary .collapse-trigger:hover {
    background-color: var(--color-secondary-container);
  }

  .collapse-tertiary .collapse-trigger {
    color: var(--color-tertiary);
  }

  .collapse-tertiary .collapse-trigger:hover {
    background-color: var(--color-tertiary-container);
  }

  .collapse-info .collapse-trigger {
    color: var(--color-info);
  }

  .collapse-info .collapse-trigger:hover {
    background-color: var(--color-info-container);
  }

  .collapse-success .collapse-trigger {
    color: var(--color-success);
  }

  .collapse-success .collapse-trigger:hover {
    background-color: var(--color-success-container);
  }

  .collapse-warning .collapse-trigger {
    color: var(--color-warning);
  }

  .collapse-warning .collapse-trigger:hover {
    background-color: var(--color-warning-container);
  }

  .collapse-error .collapse-trigger {
    color: var(--color-error);
  }

  .collapse-error .collapse-trigger:hover {
    background-color: var(--color-error-container);
  }

  .collapse-accent .collapse-trigger {
    color: var(--color-accent);
  }

  .collapse-accent .collapse-trigger:hover {
    background-color: color-mix(in oklch, var(--color-accent) 15%, var(--color-surface));
  }

  .collapse-neutral .collapse-trigger {
    color: var(--color-neutral);
  }

  .collapse-neutral .collapse-trigger:hover {
    background-color: color-mix(in oklch, var(--color-neutral) 15%, var(--color-surface));
  }

  .collapse-base .collapse-trigger {
    color: var(--color-base-content);
  }

  .collapse-base .collapse-trigger:hover {
    background-color: var(--color-base-200);
  }

  /* Size Variants */
  .collapse-sm .collapse-trigger {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
  }

  .collapse-sm .collapse-content > * {
    padding: 0 0.75rem;
  }

  .collapse-sm.collapse-open .collapse-content > * {
    padding: 0 0.75rem 0.75rem;
  }

  .collapse-lg .collapse-trigger {
    padding: 1rem 1.25rem;
    font-size: 1.125rem;
  }

  .collapse-lg .collapse-content > * {
    padding: 0 1.25rem;
  }

  .collapse-lg.collapse-open .collapse-content > * {
    padding: 0 1.25rem 1.25rem;
  }

  /* Divider Variant */
  .collapse-divider .collapse-trigger {
    border-bottom: 1px solid var(--color-outline-variant);
  }

  .collapse-divider.collapse-open .collapse-trigger {
    border-bottom-color: var(--color-outline-variant);
  }

  /* Disabled State */
  .collapse-disabled {
    opacity: 0.5;
    pointer-events: none;
  }

  .collapse-disabled .collapse-trigger {
    cursor: not-allowed;
  }

  /* Loading State */
  .collapse-loading .collapse-trigger::after {
    content: '';
    display: inline-block;
    width: 1rem;
    height: 1rem;
    margin-left: 0.5rem;
    border: 2px solid var(--color-outline);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: collapse-spin 0.8s linear infinite;
  }

  @keyframes collapse-spin {
    to { transform: rotate(360deg); }
  }

  /* Slide Animation */
  .collapse-slide .collapse-content > * {
    transform: translateY(-0.5rem);
    opacity: 0;
    transition: transform 300ms ease-in-out, opacity 200ms ease-in-out;
  }

  .collapse-slide.collapse-open .collapse-content > * {
    transform: translateY(0);
    opacity: 1;
  }

  /* Horizontal Collapse */
  .collapse-horizontal {
    display: grid;
    grid-template-columns: 0fr;
    transition: grid-template-columns 300ms ease-in-out;
  }

  .collapse-horizontal.show {
    grid-template-columns: 1fr;
  }

  .collapse-horizontal .collapse-content {
    overflow: hidden;
    white-space: nowrap;
  }

  /* Fixed Width Horizontal */
  .collapse-horizontal-fixed {
    display: block;
    width: 0;
    overflow: hidden;
    transition: width 300ms ease-in-out;
  }

  .collapse-horizontal-fixed.show {
    width: var(--collapse-width, 20rem);
  }

  /* Nested Collapse */
  .collapse-nested {
    margin-left: 1rem;
    padding-left: 1rem;
    border-left: 2px solid var(--color-outline-variant);
  }

  /* Show More/Less Pattern */
  .collapse-showmore {
    position: relative;
  }

  .collapse-showmore:not(.show)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3rem;
    background: linear-gradient(to bottom, transparent, var(--color-surface));
    pointer-events: none;
  }

  .collapse-showmore-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    width: 100%;
    padding: 0.5rem;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-primary);
    background-color: transparent;
    border: none;
    cursor: pointer;
  }

  .collapse-showmore-toggle:hover {
    text-decoration: underline;
  }

  /* Collapse Group */
  .collapse-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  /* Transition Speed Variants */
  .collapse-fast {
    transition-duration: 150ms;
  }

  .collapse-slow {
    transition-duration: 500ms;
  }

  /* Easing Variants */
  .collapse-ease-in {
    transition-timing-function: ease-in;
  }

  .collapse-ease-out {
    transition-timing-function: ease-out;
  }

  .collapse-ease-in-out {
    transition-timing-function: ease-in-out;
  }

  .collapse-spring {
    transition-timing-function: cubic-bezier(0.34, 1.56, 0.64, 1);
  }

  /* Initial States */
  .collapse-hidden {
    display: none;
  }

  /* Accessibility - Screen Reader Only Content */
  .collapse-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  /* With Max Height (fallback for older browsers) */
  .collapse-maxheight {
    max-height: 0;
    overflow: hidden;
    transition: max-height 300ms ease-in-out;
  }

  .collapse-maxheight.show {
    max-height: var(--collapse-max-height, 100rem);
  }

  /* Animated Height (JS helper class) */
  .collapse-animating {
    overflow: hidden;
    transition: height 300ms ease-in-out;
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .collapse,
    .collapse-content,
    .collapse-icon,
    .collapse-fade,
    .collapse-horizontal,
    .collapse-horizontal-fixed,
    .collapse-toggle-icon,
    .collapse-maxheight,
    .collapse-animating,
    .collapse-slide .collapse-content > * {
      transition: none;
    }
    .collapse-loading .collapse-trigger::after {
      animation: none;
    }
  }
}

/**
 * Popover Component Styles
 * DuskMoonUI - Material Design 3 inspired popover system
 */

@layer components {
  /* Popover Container (class-based approach only, not native [popover]) */
  .popover:not([popover]) {
    position: relative;
    display: inline-block;
  }

  /* Popover Content */
  .popover-content {
    position: absolute;
    z-index: 1050;
    min-width: 12rem;
    max-width: 20rem;
    padding: 1rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: scale(0.95);
    transform-origin: center;
    transition: opacity 150ms ease-out, visibility 150ms ease-out, transform 150ms ease-out;
  }

  .popover.show .popover-content,
  .popover-content.show {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
  }

  /* Direct popover structure (without .popover-content wrapper) */
  .popover.popover-show,
  .popover.show {
    opacity: 1;
    visibility: visible;
  }

  /* Popover as direct overlay (simpler structure) */
  .popover:not([popover])[class*="popover-top"],
  .popover:not([popover])[class*="popover-bottom"],
  .popover:not([popover])[class*="popover-left"],
  .popover:not([popover])[class*="popover-right"] {
    position: absolute;
    z-index: 1050;
    min-width: 12rem;
    max-width: 20rem;
    padding: 1rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity 150ms ease-out, visibility 150ms ease-out;
  }

  .popover[class*="popover-top"].popover-show,
  .popover[class*="popover-bottom"].popover-show,
  .popover[class*="popover-left"].popover-show,
  .popover[class*="popover-right"].popover-show {
    opacity: 1;
    visibility: visible;
  }

  /* Direct position: Top */
  .popover.popover-top:not(:has(.popover-content)) {
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: 0.75rem;
  }

  /* Direct position: Bottom */
  .popover.popover-bottom:not(:has(.popover-content)) {
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 0.75rem;
  }

  /* Direct position: Left */
  .popover.popover-left:not(:has(.popover-content)) {
    right: 100%;
    top: 50%;
    transform: translateY(-50%);
    margin-right: 0.75rem;
  }

  /* Direct position: Right */
  .popover.popover-right:not(:has(.popover-content)) {
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    margin-left: 0.75rem;
  }

  /* Popover Arrow */
  .popover-arrow {
    position: absolute;
    width: 0.75rem;
    height: 0.75rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline-variant);
    transform: rotate(45deg);
  }

  /* Position: Top (default) */
  .popover-top .popover-content,
  .popover .popover-content {
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) scale(0.95);
    margin-bottom: 0.75rem;
  }

  .popover-top.show .popover-content,
  .popover.show .popover-content {
    transform: translateX(-50%) scale(1);
  }

  .popover-top .popover-arrow,
  .popover .popover-arrow {
    bottom: -0.375rem;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    border-top: none;
    border-left: none;
  }

  /* Position: Bottom */
  .popover-bottom .popover-content {
    top: 100%;
    left: 50%;
    transform: translateX(-50%) scale(0.95);
    margin-top: 0.75rem;
  }

  .popover-bottom.show .popover-content {
    transform: translateX(-50%) scale(1);
  }

  .popover-bottom .popover-arrow {
    top: -0.375rem;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    border-bottom: none;
    border-right: none;
  }

  /* Position: Left */
  .popover-left .popover-content {
    right: 100%;
    top: 50%;
    transform: translateY(-50%) scale(0.95);
    margin-right: 0.75rem;
  }

  .popover-left.show .popover-content {
    transform: translateY(-50%) scale(1);
  }

  .popover-left .popover-arrow {
    right: -0.375rem;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    border-left: none;
    border-bottom: none;
  }

  /* Position: Right */
  .popover-right .popover-content {
    left: 100%;
    top: 50%;
    transform: translateY(-50%) scale(0.95);
    margin-left: 0.75rem;
  }

  .popover-right.show .popover-content {
    transform: translateY(-50%) scale(1);
  }

  .popover-right .popover-arrow {
    left: -0.375rem;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    border-right: none;
    border-top: none;
  }

  /* Popover Header */
  .popover-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 0.75rem;
    margin-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-outline-variant);
  }

  .popover-title {
    flex: 1;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-on-surface);
  }

  .popover-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    color: var(--color-on-surface-variant);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: background-color 150ms ease-in-out;
  }

  .popover-close:hover {
    background-color: var(--color-surface-container);
  }

  .popover-close:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Popover Body */
  .popover-body {
    font-size: 0.875rem;
    color: var(--color-on-surface-variant);
    line-height: 1.5;
  }

  /* Popover Footer */
  .popover-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
    padding-top: 0.75rem;
    margin-top: 0.75rem;
    border-top: 1px solid var(--color-outline-variant);
  }

  /* No Arrow Variant */
  .popover-no-arrow .popover-arrow {
    display: none;
  }

  /* Size Variants */
  .popover-sm .popover-content {
    min-width: 8rem;
    max-width: 14rem;
    padding: 0.75rem;
  }

  .popover-lg .popover-content {
    min-width: 16rem;
    max-width: 28rem;
    padding: 1.25rem;
  }

  .popover-full .popover-content {
    min-width: 0;
    max-width: none;
    width: max-content;
  }

  /* Color Variants */
  /*
   * Color intensity for themed popovers.
   * Override this variable to adjust how strongly colors appear:
   * - 20% = subtle tint
   * - 30% = moderate (default)
   * - 40% = bold/prominent
   */
  .popover {
    --popover-color-intensity: 30%;
  }

  /* Dark variant */
  .popover-dark .popover-content {
    background-color: var(--color-on-surface);
    color: var(--color-surface);
    border-color: transparent;
  }

  .popover-dark[class*="popover-top"],
  .popover-dark[class*="popover-bottom"],
  .popover-dark[class*="popover-left"],
  .popover-dark[class*="popover-right"] {
    background-color: var(--color-on-surface);
    color: var(--color-surface);
    border-color: transparent;
  }

  .popover-dark .popover-arrow {
    background-color: var(--color-on-surface);
    border-color: transparent;
  }

  .popover-dark .popover-title {
    color: var(--color-surface);
  }

  .popover-dark .popover-body {
    color: var(--color-surface);
    opacity: 0.9;
  }

  /* Primary variant */
  .popover-primary .popover-content {
    background-color: color-mix(in oklch, var(--color-primary) var(--popover-color-intensity), var(--color-surface));
    border-color: var(--color-primary);
  }

  .popover-primary[class*="popover-top"],
  .popover-primary[class*="popover-bottom"],
  .popover-primary[class*="popover-left"],
  .popover-primary[class*="popover-right"] {
    background-color: color-mix(in oklch, var(--color-primary) var(--popover-color-intensity), var(--color-surface));
    border-color: var(--color-primary);
  }

  .popover-primary .popover-arrow {
    background-color: color-mix(in oklch, var(--color-primary) var(--popover-color-intensity), var(--color-surface));
    border-color: var(--color-primary);
  }

  .popover-primary .popover-body {
    color: var(--color-on-surface);
  }

  .popover-primary .popover-title {
    color: var(--color-on-surface);
  }

  /* Secondary variant */
  .popover-secondary .popover-content {
    background-color: color-mix(in oklch, var(--color-secondary) var(--popover-color-intensity), var(--color-surface));
    border-color: var(--color-secondary);
  }

  .popover-secondary[class*="popover-top"],
  .popover-secondary[class*="popover-bottom"],
  .popover-secondary[class*="popover-left"],
  .popover-secondary[class*="popover-right"] {
    background-color: color-mix(in oklch, var(--color-secondary) var(--popover-color-intensity), var(--color-surface));
    border-color: var(--color-secondary);
  }

  .popover-secondary .popover-arrow {
    background-color: color-mix(in oklch, var(--color-secondary) var(--popover-color-intensity), var(--color-surface));
    border-color: var(--color-secondary);
  }

  .popover-secondary .popover-body {
    color: var(--color-on-surface);
  }

  .popover-secondary .popover-title {
    color: var(--color-on-surface);
  }

  /* Tertiary variant */
  .popover-tertiary .popover-content {
    background-color: color-mix(in oklch, var(--color-tertiary) var(--popover-color-intensity), var(--color-surface));
    border-color: var(--color-tertiary);
  }

  .popover-tertiary[class*="popover-top"],
  .popover-tertiary[class*="popover-bottom"],
  .popover-tertiary[class*="popover-left"],
  .popover-tertiary[class*="popover-right"] {
    background-color: color-mix(in oklch, var(--color-tertiary) var(--popover-color-intensity), var(--color-surface));
    border-color: var(--color-tertiary);
  }

  .popover-tertiary .popover-arrow {
    background-color: color-mix(in oklch, var(--color-tertiary) var(--popover-color-intensity), var(--color-surface));
    border-color: var(--color-tertiary);
  }

  .popover-tertiary .popover-body {
    color: var(--color-on-surface);
  }

  .popover-tertiary .popover-title {
    color: var(--color-on-surface);
  }

  /* Surface highest variant */
  .popover-surface-highest .popover-content {
    background-color: var(--color-surface-container-highest);
    border-color: var(--color-outline-variant);
  }

  .popover-surface-highest[class*="popover-top"],
  .popover-surface-highest[class*="popover-bottom"],
  .popover-surface-highest[class*="popover-left"],
  .popover-surface-highest[class*="popover-right"] {
    background-color: var(--color-surface-container-highest);
    border-color: var(--color-outline-variant);
  }

  .popover-surface-highest .popover-arrow {
    background-color: var(--color-surface-container-highest);
    border-color: var(--color-outline-variant);
  }

  /* Hover Trigger */
  .popover-hover:hover .popover-content,
  .popover-hover:focus-within .popover-content {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) scale(1);
  }

  .popover-hover.popover-bottom:hover .popover-content,
  .popover-hover.popover-bottom:focus-within .popover-content {
    transform: translateX(-50%) scale(1);
  }

  .popover-hover.popover-left:hover .popover-content,
  .popover-hover.popover-left:focus-within .popover-content,
  .popover-hover.popover-right:hover .popover-content,
  .popover-hover.popover-right:focus-within .popover-content {
    transform: translateY(-50%) scale(1);
  }

  /* Menu Popover */
  .popover-menu .popover-content {
    padding: 0.5rem;
  }

  .popover-menu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    color: var(--color-on-surface);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-align: left;
    transition: background-color 150ms ease-in-out;
  }

  .popover-menu-item:hover {
    background-color: var(--color-surface-container);
  }

  .popover-menu-item:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  .popover-menu-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-on-surface-variant);
  }

  .popover-menu-divider {
    height: 1px;
    margin: 0.5rem 0;
    background-color: var(--color-outline-variant);
  }

  /* Confirmation Popover */
  .popover-confirm .popover-content {
    text-align: center;
  }

  .popover-confirm .popover-footer {
    justify-content: center;
  }

  /* ========================================
   * HTML Popover API Support
   * Uses native [popover] attribute with :popover-open pseudo-class
   * ======================================== */

  /* Native popover base styles */
  .popover[popover] {
    position: fixed;
    inset: unset;
    z-index: 1050;
    min-width: 12rem;
    max-width: 20rem;
    padding: 1rem;
    margin: 0;
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 150ms ease-out, transform 150ms ease-out, overlay 150ms ease-out allow-discrete, display 150ms ease-out allow-discrete;
  }

  /* Popover open state */
  .popover[popover]:popover-open {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
  }

  /* Starting state for entry animation */
  @starting-style {
    .popover[popover]:popover-open {
      opacity: 0;
      transform: scale(0.95);
    }
  }

  /* Native popover backdrop */
  .popover[popover]::backdrop {
    background-color: transparent;
    transition: background-color 150ms ease-out, overlay 150ms ease-out allow-discrete, display 150ms ease-out allow-discrete;
  }

  .popover[popover]:popover-open::backdrop {
    background-color: color-mix(in srgb, var(--color-scrim) 10%, transparent);
  }

  @starting-style {
    .popover[popover]:popover-open::backdrop {
      background-color: transparent;
    }
  }

  /* Native popover with modal backdrop */
  .popover-modal[popover]::backdrop {
    background-color: transparent;
    transition: background-color 150ms ease-out, overlay 150ms ease-out allow-discrete, display 150ms ease-out allow-discrete;
  }

  .popover-modal[popover]:popover-open::backdrop {
    background-color: color-mix(in srgb, var(--color-scrim) 30%, transparent);
  }

  @starting-style {
    .popover-modal[popover]:popover-open::backdrop {
      background-color: transparent;
    }
  }

  /* Native popover color variants */
  .popover-primary[popover] {
    background-color: color-mix(in oklch, var(--color-primary) var(--popover-color-intensity), var(--color-surface));
    border-color: var(--color-primary);
  }

  .popover-primary[popover] .popover-body {
    color: var(--color-on-surface);
  }

  .popover-primary[popover] .popover-title {
    color: var(--color-on-surface);
  }

  .popover-secondary[popover] {
    background-color: color-mix(in oklch, var(--color-secondary) var(--popover-color-intensity), var(--color-surface));
    border-color: var(--color-secondary);
  }

  .popover-secondary[popover] .popover-body {
    color: var(--color-on-surface);
  }

  .popover-secondary[popover] .popover-title {
    color: var(--color-on-surface);
  }

  .popover-tertiary[popover] {
    background-color: color-mix(in oklch, var(--color-tertiary) var(--popover-color-intensity), var(--color-surface));
    border-color: var(--color-tertiary);
  }

  .popover-tertiary[popover] .popover-body {
    color: var(--color-on-surface);
  }

  .popover-tertiary[popover] .popover-title {
    color: var(--color-on-surface);
  }

  .popover-dark[popover] {
    background-color: var(--color-on-surface);
    border-color: transparent;
  }

  .popover-dark[popover] .popover-body {
    color: var(--color-surface);
    opacity: 0.9;
  }

  .popover-dark[popover] .popover-title {
    color: var(--color-surface);
  }

  .popover-surface-highest[popover] {
    background-color: var(--color-surface-container-highest);
    border-color: var(--color-outline-variant);
  }

  /* Native popover size variants */
  .popover-sm[popover] {
    min-width: 8rem;
    max-width: 14rem;
    padding: 0.75rem;
  }

  .popover-lg[popover] {
    min-width: 16rem;
    max-width: 28rem;
    padding: 1.25rem;
  }

  .popover-full[popover] {
    min-width: 0;
    max-width: none;
    width: max-content;
  }

  /* ========================================
   * CSS Anchor Positioning
   * Enables popovers to track their trigger element on scroll
   * Usage: Add anchor-name CSS property to trigger, position-anchor to popover
   * ======================================== */

  /* Popover trigger anchor - use inline style or custom class to set anchor-name */
  [popovertarget] {
    /* Each trigger needs unique anchor-name, set via inline style:
       style="anchor-name: --my-popover" */
  }

  /* Anchored popover positioning
   * Uses anchor() functions instead of position-area to avoid
   * a Chrome rendering bug at HiDPI (DPR>=2) where position-area
   * computes correct CSS-pixel offsets but renders at physical-pixel
   * coordinates, doubling the distance from the anchor. */
  .popover[popover][style*="position-anchor"] {
    inset: unset;
    top: anchor(bottom);
    justify-self: anchor-center;
    margin-top: 0.5rem;
  }

  /* Position variants for anchored popovers */
  .popover-top[popover][style*="position-anchor"] {
    top: unset;
    bottom: anchor(top);
    margin-top: 0;
    margin-bottom: 0.5rem;
  }

  .popover-bottom[popover][style*="position-anchor"] {
    top: anchor(bottom);
    margin-top: 0.5rem;
    margin-bottom: 0;
  }

  .popover-left[popover][style*="position-anchor"] {
    top: anchor(center);
    right: anchor(left);
    justify-self: unset;
    translate: 0 -50%;
    margin-top: 0;
    margin-right: 0.5rem;
  }

  .popover-right[popover][style*="position-anchor"] {
    top: anchor(center);
    left: anchor(right);
    justify-self: unset;
    translate: 0 -50%;
    margin-top: 0;
    margin-left: 0.5rem;
  }

  /* Anchored popover alignment variants */
  .popover-start[popover][style*="position-anchor"] {
    justify-self: start;
  }

  .popover-end[popover][style*="position-anchor"] {
    justify-self: end;
  }

  .popover-top.popover-start[popover][style*="position-anchor"] {
    justify-self: start;
  }

  .popover-top.popover-end[popover][style*="position-anchor"] {
    justify-self: end;
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .popover-content,
    .popover-close,
    .popover-menu-item,
    .popover[popover],
    .popover[popover]::backdrop {
      transition: none;
    }
  }
}


/* ============================================
 * MISC COMPONENTS
 * ============================================ */

/**
 * Timeline Component Styles
 * DuskMoonUI - Material Design 3 inspired timeline system
 */

@layer components {
  /* Base Timeline */
  .timeline {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  /* Timeline Line */
  .timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 1.25rem;
    width: 2px;
    height: 100%;
    background-color: var(--color-outline-variant);
  }

  /* Timeline Item */
  .timeline-item {
    position: relative;
    display: flex;
    gap: 1rem;
    padding-bottom: 1.5rem;
  }

  .timeline-item:last-child {
    padding-bottom: 0;
  }

  /* Timeline Marker */
  .timeline-marker {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--color-surface);
    border: 2px solid var(--color-outline-variant);
    border-radius: var(--radius-full);
    flex-shrink: 0;
    z-index: 1;
  }

  .timeline-marker-icon {
    font-size: 1rem;
    color: var(--color-on-surface-variant);
  }

  .timeline-marker-dot {
    width: 0.75rem;
    height: 0.75rem;
    background-color: var(--color-outline-variant);
    border-radius: var(--radius-full);
  }

  /* Timeline Content */
  .timeline-content {
    flex: 1;
    padding-top: 0.375rem;
    min-width: 0;
  }

  .timeline-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-on-surface);
    margin-bottom: 0.25rem;
  }

  .timeline-time {
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
    margin-bottom: 0.5rem;
  }

  .timeline-description {
    font-size: 0.875rem;
    color: var(--color-on-surface-variant);
    line-height: 1.5;
  }

  /* Timeline Card */
  .timeline-card {
    padding: 1rem;
    background-color: var(--color-surface-container);
    border-radius: var(--radius-md);
    margin-top: 0.5rem;
  }

  /* Color Variants */
  .timeline-item-primary .timeline-marker {
    border-color: var(--color-primary);
    background-color: var(--color-primary-container);
  }

  .timeline-item-primary .timeline-marker-icon,
  .timeline-item-primary .timeline-marker-dot {
    color: var(--color-on-primary-container);
    background-color: var(--color-primary);
  }

  .timeline-item-secondary .timeline-marker {
    border-color: var(--color-secondary);
    background-color: var(--color-secondary-container);
  }

  .timeline-item-success .timeline-marker {
    border-color: var(--color-success);
    background-color: var(--color-success-container);
  }

  .timeline-item-success .timeline-marker-dot {
    background-color: var(--color-success);
  }

  .timeline-item-warning .timeline-marker {
    border-color: var(--color-warning);
    background-color: var(--color-warning-container);
  }

  .timeline-item-warning .timeline-marker-dot {
    background-color: var(--color-warning);
  }

  .timeline-item-error .timeline-marker {
    border-color: var(--color-error);
    background-color: var(--color-error-container);
  }

  .timeline-item-error .timeline-marker-dot {
    background-color: var(--color-error);
  }

  /* Completed State */
  .timeline-item.completed .timeline-marker {
    border-color: var(--color-primary);
    background-color: var(--color-primary);
  }

  .timeline-item.completed .timeline-marker-icon {
    color: var(--color-primary-content);
  }

  /* Active State */
  .timeline-item.active .timeline-marker {
    border-color: var(--color-primary);
    background-color: var(--color-primary);
    box-shadow: 0 0 0 4px var(--color-primary-container);
  }

  .timeline-item.active .timeline-marker-icon,
  .timeline-item.active .timeline-marker-dot {
    color: var(--color-primary-content);
    background-color: var(--color-primary-content);
  }

  /* Size Variants */
  .timeline-sm::before {
    left: 0.75rem;
  }

  .timeline-sm .timeline-marker {
    width: 1.5rem;
    height: 1.5rem;
  }

  .timeline-sm .timeline-marker-icon {
    font-size: 0.75rem;
  }

  .timeline-sm .timeline-marker-dot {
    width: 0.5rem;
    height: 0.5rem;
  }

  .timeline-lg::before {
    left: 1.5rem;
  }

  .timeline-lg .timeline-marker {
    width: 3rem;
    height: 3rem;
  }

  .timeline-lg .timeline-marker-icon {
    font-size: 1.25rem;
  }

  /* Alternate Layout (zigzag) */
  .timeline-alternate {
    padding-left: 0;
  }

  .timeline-alternate::before {
    left: 50%;
    transform: translateX(-50%);
  }

  .timeline-alternate .timeline-item {
    width: 50%;
    padding-right: 2rem;
  }

  .timeline-alternate .timeline-item:nth-child(even) {
    margin-left: 50%;
    padding-right: 0;
    padding-left: 2rem;
    flex-direction: row-reverse;
  }

  .timeline-alternate .timeline-item:nth-child(even) .timeline-content {
    text-align: right;
  }

  .timeline-alternate .timeline-marker {
    position: absolute;
    left: 100%;
    transform: translateX(-50%);
  }

  .timeline-alternate .timeline-item:nth-child(even) .timeline-marker {
    left: 0;
    transform: translateX(-50%);
  }

  /* Right-aligned Timeline */
  .timeline-right {
    align-items: flex-end;
  }

  .timeline-right::before {
    left: auto;
    right: 1.25rem;
  }

  .timeline-right .timeline-item {
    flex-direction: row-reverse;
  }

  .timeline-right .timeline-content {
    text-align: right;
  }

  /* Horizontal Timeline */
  .timeline-horizontal {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 1rem;
  }

  .timeline-horizontal::before {
    top: 1.25rem;
    left: 0;
    width: 100%;
    height: 2px;
  }

  .timeline-horizontal .timeline-item {
    flex-direction: column;
    padding-bottom: 0;
    padding-right: 2rem;
    min-width: 10rem;
  }

  .timeline-horizontal .timeline-item:last-child {
    padding-right: 0;
  }

  .timeline-horizontal .timeline-content {
    padding-top: 1rem;
    text-align: center;
  }

  /* Collapsible Timeline */
  .timeline-collapsible .timeline-item {
    cursor: pointer;
  }

  .timeline-collapsible .timeline-description {
    display: none;
  }

  .timeline-collapsible .timeline-item.expanded .timeline-description {
    display: block;
  }

  /* Loading State */
  .timeline-item.loading .timeline-marker {
    animation: timeline-pulse 1.5s ease-in-out infinite;
  }

  @keyframes timeline-pulse {
    0%, 100% {
      opacity: 1;
    }
    50% {
      opacity: 0.5;
    }
  }

  /* Connected Line Progress */
  .timeline-progress::before {
    background: linear-gradient(
      to bottom,
      var(--color-primary) var(--timeline-progress, 0%),
      var(--color-outline-variant) var(--timeline-progress, 0%)
    );
  }

  /* Responsive */
  @media (max-width: 640px) {
    .timeline-alternate::before {
      left: 1.25rem;
      transform: none;
    }

    .timeline-alternate .timeline-item,
    .timeline-alternate .timeline-item:nth-child(even) {
      width: 100%;
      margin-left: 0;
      padding-left: 0;
      padding-right: 0;
      flex-direction: row;
    }

    .timeline-alternate .timeline-item:nth-child(even) .timeline-content {
      text-align: left;
    }

    .timeline-alternate .timeline-marker,
    .timeline-alternate .timeline-item:nth-child(even) .timeline-marker {
      position: relative;
      left: 0;
      transform: none;
    }
  }

  /* Reduce Motion */
  @media (prefers-reduced-motion: reduce) {
    .timeline-item.loading .timeline-marker {
      animation: none;
    }
  }
}


/* ============================================
 * CONTENT COMPONENTS
 * ============================================ */

/**
 * Code Block Component
 * Styled container for displaying code with optional header, language badge, and copy button
 * Uses DuskMoonUI color tokens for automatic theme switching
 */

@layer components {
  /* ============================================
   * BASE CONTAINER
   * ============================================ */

  .code-block {
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-sm);
    overflow: hidden;
  }

  /* ============================================
   * HEADER
   * ============================================ */

  .code-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: var(--color-surface-container-highest);
    border-bottom: 1px solid var(--color-outline);
    font-size: 0.75rem;
  }

  .code-title {
    color: var(--color-on-surface);
    font-weight: 600;
    margin-right: auto;
  }

  .code-language {
    color: var(--color-on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
  }

  /* Push language badge to the left when no title precedes it */
  .code-language:first-child {
    margin-right: auto;
  }

  /* ============================================
   * COPY BUTTON
   * ============================================ */

  .code-block .copy-button {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.5rem;
    border: none;
    border-radius: var(--radius-xs);
    background: transparent;
    color: var(--color-on-surface-variant);
    font-size: 0.75rem;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
  }

  .code-block .copy-button:hover {
    background-color: var(--color-outline-variant);
    color: var(--color-on-surface);
  }

  .code-block .copy-icon {
    flex-shrink: 0;
  }

  /* ============================================
   * CODE CONTENT
   * ============================================ */

  .code-content {
    background-color: var(--color-surface-container);
    overflow-x: auto;
  }

  .code-content pre {
    margin: 0;
    padding: 1rem;
    background: transparent;
    border-radius: 0;
    overflow-x: auto;
  }

  .code-content code {
    background: transparent;
    padding: 0;
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
    font-size: 0.875rem;
    line-height: 1.6;
  }

  /* ============================================
   * VARIANTS
   * ============================================ */

  /* Compact variant — reduced padding */
  .code-block-compact .code-header {
    padding: 0.375rem 0.75rem;
  }

  .code-block-compact .code-content pre {
    padding: 0.75rem;
  }

  /* Borderless variant */
  .code-block-borderless {
    border: none;
  }

  .code-block-borderless .code-header {
    border-bottom: none;
  }

  /* ============================================
   * REDUCED MOTION
   * ============================================ */

  @media (prefers-reduced-motion: reduce) {
    .code-block .copy-button {
      transition: none;
    }
  }
}

/**
 * Markdown Body Component
 * GitHub-style typography for rendered markdown content
 * Uses DuskMoonUI color tokens for automatic theme switching
 */

@layer components {
  /* ============================================
   * BASE CONTAINER (Phase 2: T005-T007)
   * ============================================ */

  .markdown-body {
    /* Base typography */
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    font-size: 16px;
    line-height: 1.5;
    word-wrap: break-word;
    color: var(--color-on-surface);
  }

  /* ============================================
   * USER STORY 1: TYPOGRAPHY (Phase 3: T009-T016)
   * ============================================ */

  /* Headings */
  .markdown-body h1,
  .markdown-body h2,
  .markdown-body h3,
  .markdown-body h4,
  .markdown-body h5,
  .markdown-body h6 {
    margin-block-start: 1.5rem;
    margin-block-end: 1rem;
    font-weight: 600;
    line-height: 1.25;
  }

  .markdown-body h1 {
    font-size: 2em;
    padding-block-end: 0.3em;
    border-bottom: 1px solid var(--color-outline-variant);
  }

  .markdown-body h2 {
    font-size: 1.5em;
    padding-block-end: 0.3em;
    border-bottom: 1px solid var(--color-outline-variant);
  }

  .markdown-body h3 {
    font-size: 1.25em;
  }

  .markdown-body h4 {
    font-size: 1em;
  }

  .markdown-body h5 {
    font-size: 0.875em;
  }

  .markdown-body h6 {
    font-size: 0.85em;
    color: var(--color-on-surface-variant);
  }

  /* Paragraphs */
  .markdown-body p {
    margin-block-end: 1rem;
  }

  /* Links */
  .markdown-body a {
    color: var(--color-primary);
    text-decoration: none;
  }

  .markdown-body a:hover {
    text-decoration: underline;
  }

  .markdown-body a:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in oklch, currentColor 20%, transparent);
  }

  /* Emphasis */
  .markdown-body strong,
  .markdown-body b {
    font-weight: 600;
  }

  .markdown-body em,
  .markdown-body i {
    font-style: italic;
  }

  /* Lists */
  .markdown-body ul,
  .markdown-body ol {
    margin-block-end: 1rem;
    padding-inline-start: 2em;
  }

  .markdown-body ul {
    list-style-type: disc;
  }

  .markdown-body ol {
    list-style-type: decimal;
  }

  .markdown-body li {
    margin-block-end: 0.25rem;
  }

  .markdown-body li > ul,
  .markdown-body li > ol {
    margin-block-start: 0.25rem;
    margin-block-end: 0;
  }

  /* Nested list style progression */
  .markdown-body ul ul {
    list-style-type: circle;
  }

  .markdown-body ul ul ul {
    list-style-type: square;
  }

  .markdown-body ol ol {
    list-style-type: lower-alpha;
  }

  .markdown-body ol ol ol {
    list-style-type: lower-roman;
  }

  /* Small, subscript, superscript, strikethrough */
  .markdown-body small {
    font-size: 0.875em;
  }

  .markdown-body sub,
  .markdown-body sup {
    font-size: 0.75em;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
  }

  .markdown-body sub {
    bottom: -0.25em;
  }

  .markdown-body sup {
    top: -0.5em;
  }

  .markdown-body del,
  .markdown-body s {
    text-decoration: line-through;
    color: var(--color-on-surface-variant);
  }

  /* ============================================
   * USER STORY 2: CODE (Phase 4: T017-T021)
   * ============================================ */

  /* Inline code */
  .markdown-body code {
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
    font-size: 0.85em;
    padding-block: 0.2em;
    padding-inline: 0.4em;
    background-color: var(--color-surface-container-high);
    border-radius: var(--radius-xs);
  }

  /* Code blocks */
  .markdown-body pre {
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
    font-size: 0.85em;
    line-height: 1.45;
    padding: 1rem;
    margin-block-end: 1rem;
    overflow-x: auto;
    background-color: var(--color-surface-container);
    border-radius: var(--radius-xs);
  }

  /* Reset code inside pre */
  .markdown-body pre > code {
    font-size: inherit;
    padding: 0;
    background-color: transparent;
    border-radius: 0;
  }

  /* Keyboard input */
  .markdown-body kbd {
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
    font-size: 0.85em;
    padding-block: 0.2em;
    padding-inline: 0.4em;
    background-color: var(--color-surface-container);
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--radius-xs);
    box-shadow: inset 0 -1px 0 var(--color-outline-variant);
  }

  /* Sample output */
  .markdown-body samp {
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
    font-size: 0.85em;
  }

  /* ============================================
   * USER STORY 3: TABLES (Phase 6: T026-T029)
   * ============================================ */

  .markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin-block-end: 1rem;
    overflow-x: auto;
    display: block;
  }

  .markdown-body th {
    font-weight: 600;
    background-color: var(--color-surface-container);
  }

  .markdown-body th,
  .markdown-body td {
    padding-block: 0.5rem;
    padding-inline: 0.75rem;
    border: 1px solid var(--color-outline-variant);
    text-align: start;
  }

  .markdown-body tr:nth-child(2n) {
    background-color: var(--color-surface-container);
  }

  /* ============================================
   * USER STORY 4: BLOCKQUOTES (Phase 7: T030-T031)
   * ============================================ */

  .markdown-body blockquote {
    margin-block-end: 1rem;
    margin-inline: 0;
    padding-inline-start: 1em;
    border-inline-start: 0.25em solid var(--color-outline-variant);
    color: var(--color-on-surface-variant);
  }

  .markdown-body blockquote > :first-child {
    margin-block-start: 0;
  }

  .markdown-body blockquote > :last-child {
    margin-block-end: 0;
  }

  /* Nested blockquotes */
  .markdown-body blockquote blockquote {
    margin-block-start: 1rem;
  }

  /* ============================================
   * USER STORY 6: IMAGES (Phase 8: T032-T034)
   * ============================================ */

  .markdown-body img {
    max-width: 100%;
    height: auto;
    box-sizing: border-box;
  }

  .markdown-body figure {
    margin-block-end: 1rem;
    margin-inline: 0;
  }

  .markdown-body figcaption {
    font-size: 0.875em;
    color: var(--color-on-surface-variant);
    margin-block-start: 0.5rem;
    text-align: center;
  }

  /* Image alignment helpers */
  .markdown-body img[align="left"] {
    margin-inline-end: 1rem;
    margin-block-end: 0.5rem;
  }

  .markdown-body img[align="right"] {
    margin-inline-start: 1rem;
    margin-block-end: 0.5rem;
  }

  /* ============================================
   * USER STORY 7: TASK LISTS (Phase 9: T035-T036)
   * ============================================ */

  .markdown-body .task-list-item {
    list-style-type: none;
  }

  .markdown-body .task-list-item input[type="checkbox"] {
    margin-inline-start: -1.5em;
    margin-inline-end: 0.5em;
    vertical-align: middle;
  }

  /* ============================================
   * PHASE 10: POLISH - ADDITIONAL ELEMENTS
   * ============================================ */

  /* Horizontal rule */
  .markdown-body hr {
    height: 0.25em;
    margin-block: 1.5rem;
    padding: 0;
    background-color: var(--color-outline-variant);
    border: 0;
  }

  /* Definition lists */
  .markdown-body dl {
    margin-block-end: 1rem;
  }

  .markdown-body dt {
    font-weight: 600;
    margin-block-start: 1rem;
  }

  .markdown-body dt:first-child {
    margin-block-start: 0;
  }

  .markdown-body dd {
    margin-block-start: 0.25rem;
    margin-inline-start: 0;
    padding-inline-start: 1rem;
  }

  /* Abbreviations */
  .markdown-body abbr[title] {
    text-decoration: underline dotted;
    cursor: help;
    border-bottom: none;
  }

  /* Highlights */
  .markdown-body mark {
    background-color: var(--color-tertiary-container);
    color: var(--color-on-tertiary-container);
    padding-block: 0.1em;
    padding-inline: 0.2em;
    border-radius: var(--radius-xs);
  }

  /* Details/Summary */
  .markdown-body details {
    margin-block-end: 1rem;
  }

  .markdown-body summary {
    font-weight: 600;
    cursor: pointer;
  }

  .markdown-body details[open] > summary {
    margin-block-end: 0.5rem;
  }

  /* ============================================
   * EDGE CASES (T042-T043)
   * ============================================ */

  /* First/last child margin resets */
  .markdown-body > :first-child {
    margin-block-start: 0;
  }

  .markdown-body > :last-child {
    margin-block-end: 0;
  }

  /* ============================================
   * USER STORY 5: REDUCED MOTION (T025)
   * ============================================ */

  @media (prefers-reduced-motion: reduce) {
    .markdown-body * {
      transition: none;
    }
  }
}