/* Lumina Design System — Version 0.4 */
/* Brutalist minimal design system for information-dense interfaces */
/* https://github.com/lumina/design-system */

/* ==========================================================================
   Base
   ========================================================================== */

/* Lumina Design System — Base Reset */
/* Version 0.4 */

/* TikTok Sans — self-hosted variable font (opsz, slnt, wdth, wght) */
@font-face {
  font-family: 'TikTok Sans';
  src: url('assets/fonts/tiktok-sans-var.woff2') format('woff2');
  font-weight: 300 900;
  font-stretch: 75% 125%;
  font-style: oblique 0deg 12deg;
  font-display: swap;
}

/* Monaspace Krypton Var — self-hosted variable mono */
@font-face {
  font-family: 'Monaspace Krypton Var';
  src: url('assets/fonts/monaspace-krypton-var.woff2') format('woff2');
  font-weight: 200 800;
  font-stretch: 100% 125%;
  font-style: normal;
  font-display: swap;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

ul, ol {
  list-style: none;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-size: 16px;
  line-height: 1.5;
}

body {
  font-family: var(--font);
  font-variation-settings: 'wght' 400, 'wdth' 100;
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
  background: var(--color-base);
  min-height: 100vh;
}

/* Links */
a {
  color: var(--color-accent);
  text-decoration: none;
  transition: var(--transition-colors);
}

a:hover {
  color: var(--color-accent-alt);
}

a:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
  border-radius: var(--radius-none);
}

/* Images */
img, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Form Elements — Base Reset */
button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

input, select, textarea {
  background: var(--color-base);
  border: var(--border-thin);
  color: var(--color-text);
}

/* Monospace Elements — Force token font */
code, pre, kbd, samp {
  font-family: var(--font-mono);
  font-variation-settings: 'wght' 400, 'wdth' 100;
}

pre {
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  overflow-x: auto;
}

code {
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

/* Selection */
::selection {
  background: var(--color-accent);
  color: var(--color-text);
}

::-moz-selection {
  background: var(--color-accent);
  color: var(--color-text);
}

/* Scrollbar — Minimal */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) var(--color-base);
}

*::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

*::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-none);
}

*::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-light);
}

/* Horizontal Rule */
hr {
  border: none;
  border-top: var(--border-thin);
  margin: var(--space-8) 0;
}
/* Lumina Design System — Accessibility Base */
/* Version 0.4 */

/* Skip Link — First focusable element */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: var(--z-skip-link);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font);
  font-variation-settings: 'wght' 700, 'wdth' 100;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  background: var(--color-accent);
  border: var(--border-medium);
  box-shadow: var(--shadow-hard);
  color: #000000;
  transform: translateY(-100%);
  transition: transform var(--duration-fast) var(--ease-standard);
}

.skip-link:focus {
  top: var(--space-4);
  transform: translateY(0);
}

/* Focus Visible — Global */
:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

/* Focus Within — For Composite Components */
.focus-within-visible:focus-within {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

/* Screen Reader Only */
.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;
}

/* Live Regions */
.lm-live-polite {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.lm-live-assertive {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Reduced Motion — Already in motion tokens, but explicit here too */
@media (prefers-reduced-motion: reduce) {
  .skip-link {
    transition: none;
  }
}

/* High Contrast Mode Adjustments */
@media (prefers-contrast: more) {
  .skip-link {
    border-width: var(--border-width-thick);
  }
}

/* Keyboard Navigation Helper */
.kbd-nav *:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

/* Text Spacing Adjustment Support (WCAG 1.4.12) */
@media (max-width: 100%) {
  :root {
    /* Allow user text spacing overrides */
  }
}

/* Print Styles */
@media print {
  .skip-link,
  .lm-btn,
  .lm-badge,
  [role="dialog"],
  [role="tooltip"],
  .lm-toast {
    display: none !important;
  }

  * {
    background: transparent !important;
    color: #000000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }

  a, a:visited {
    text-decoration: underline;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
  }
}
/* Lumina Design System — Diamond Mark */
/* Version 0.4 */

.lm-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1em;
  height: 1em;
  font-size: inherit;
  color: var(--color-accent);
  line-height: 1;
  flex-shrink: 0;
}

.lm-mark::before {
  content: "✦";
  display: block;
}

.lm-mark--large {
  font-size: 2em;
}

.lm-mark--xl {
  font-size: 3em;
}

.lm-mark--animated {
  animation: lm-mark-pulse var(--duration-slower) var(--ease-spring) infinite;
}

@keyframes lm-mark-pulse {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.1) rotate(5deg); }
}

/* Mark with Text */
.lm-mark-text {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.lm-mark-text .lm-mark {
  font-size: 1.25em;
}

/* Mark as List Bullet */
.lm-mark-bullet {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25em;
  height: 1.25em;
  font-size: 0.75em;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-right: var(--space-2);
}

.lm-mark-bullet::before {
  content: "✦";
}

/* ==========================================================================
   Tokens
   ========================================================================== */

/* Lumina Design System — Colour Tokens (Monet Generated) */
/* Seed: #F23625 */
/* Version 0.6 */

:root {
  /* Brand — Lime Green */
  --color-accent: #b6e04c;
  --color-accent-hover: #c5e07a;
  --color-accent-press: #d4f27a;
  --color-accent-alt: #6a9e6a;
  --color-accent-alt-hover: #8fb83a;
  --color-accent-alt-press: #3d6b3d;

  /* Surface — Dark (default) */
  --color-base: #0f1208;
  --color-raised: #181d12;
  --color-overlay: #303824;
  --color-subtle: #3a4030;
  --color-elevated: #262d1c;

  /* Text — Dark */
  --color-text: #e2e8d4;
  --color-text-secondary: #c0c8b0;
  --color-text-muted: #8a9480;
  --color-text-subtle: #6a7460;

  /* Border — Dark */
  --color-border: #8a9480;
  --color-border-light: #4a5240;
  --color-border-subtle: #1e2416;

  /* Feedback */
  --color-success: #8fb83a;
  --color-success-hover: #b6e04c;
  --color-error: #ff7e89;
  --color-error-hover: #ff9aa3;
  --color-warning: #d4f27a;
  --color-warning-hover: #e2f7a8;
  --color-info: #6a9e6a;
  --color-info-hover: #8fb83a;

  /* Border Widths */
  --border-width-thick: 4px;
  --border-width-medium: 3px;
  --border-width-thin: 2px;
  --border-width-hairline: 1px;

  /* Border Style */
  --border-style: solid;

  /* Border Compositions */
  --border-thick: var(--border-width-thick) var(--border-style) var(--color-text);
  --border-medium: var(--border-width-medium) var(--border-style) var(--color-text);
  --border-thin: var(--border-width-thin) var(--border-style) var(--color-text);
  --border-hairline: var(--border-width-hairline) var(--border-style) var(--color-border);

  /* Border Variants */
  --border-accent: var(--border-width-medium) var(--border-style) var(--color-accent);
  --border-error: var(--border-width-medium) var(--border-style) var(--color-error);
  --border-success: var(--border-width-medium) var(--border-style) var(--color-success);
  --border-warning: var(--border-width-medium) var(--border-style) var(--color-warning);
  --border-focus: var(--border-width-thick) var(--border-style) var(--color-accent);

  /* Border Radius — Brutalist: zero everywhere */
  --radius-none: 0;
  --radius-sm: 0;
  --radius-md: 0;
  --radius-lg: 0;
  --radius-full: 0;
  --radius-radio: 50%;

  /* Shadows — Hard, offset, unblurred */
  --shadow-hard: 6px 6px 0px 0px var(--color-text);
  --shadow-hard-sm: 4px 4px 0px 0px var(--color-text);
  --shadow-hard-lg: 8px 8px 0px 0px var(--color-text);

  --shadow-accent: 6px 6px 0px 0px var(--color-accent);
  --shadow-accent-sm: 4px 4px 0px 0px var(--color-accent);
  --shadow-accent-lg: 8px 8px 0px 0px var(--color-accent);

  /* Elevation Scale */
  --elevation-1: var(--shadow-hard-sm);
  --elevation-2: var(--shadow-hard);
  --elevation-3: var(--shadow-hard-lg);
  --elevation-4: 10px 10px 0px 0px var(--color-text);
  --elevation-5: 12px 12px 0px 0px var(--color-text);

  /* Focus Ring */
  --focus-ring: var(--border-width-thick) var(--border-style) var(--color-accent);
  --focus-ring-offset: 2px;
}

/* Light Theme Override */
[data-theme="light"] {
  --color-base: #f8faf0;
  --color-raised: #eef4e0;
  --color-overlay: #d0dcb8;
  --color-subtle: #e0e8d0;
  --color-elevated: #dce5c8;
  --color-text: #1a1f14;
  --color-text-secondary: #4a5240;
  --color-text-muted: #7a8468;
  --color-text-subtle: #9aa48a;
  --color-border: #7a8468;
  --color-border-light: #c8d4b8;
  --color-border-subtle: #e0e8d0;
  --color-accent: #4a6e00;
  --color-accent-hover: #5a7a00;
  --color-accent-press: #3d6b3d;
  --color-accent-alt: #3d6b3d;
  --color-accent-alt-hover: #5a7a00;
  --color-accent-alt-press: #4a6e00;
  --color-success: #4a6e00;
  --color-success-hover: #5a7a00;
  --color-error: #b00020;
  --color-error-hover: #c62828;
  --color-warning: #7a6830;
  --color-warning-hover: #8a7838;
  --color-info: #3d6b3d;
  --color-info-hover: #4a7a4a;

  /* Light shadows anchor to text (dark) — same values, still works */
  --shadow-hard: 6px 6px 0px 0px var(--color-text);
  --shadow-hard-sm: 4px 4px 0px 0px var(--color-text);
  --shadow-hard-lg: 8px 8px 0px 0px var(--color-text);
  --shadow-accent: 6px 6px 0px 0px var(--color-accent);
  --shadow-accent-sm: 4px 4px 0px 0px var(--color-accent);
  --shadow-accent-lg: 8px 8px 0px 0px var(--color-accent);
  --elevation-1: var(--shadow-hard-sm);
  --elevation-2: var(--shadow-hard);
  --elevation-3: var(--shadow-hard-lg);
  --elevation-4: 10px 10px 0px 0px var(--color-text);
  --elevation-5: 12px 12px 0px 0px var(--color-text);
}

/* High Contrast Mode Support */
@media (prefers-contrast: more) {
  :root {
    --color-border: var(--color-text);
    --color-border-light: var(--color-text);
    --color-text-muted: var(--color-text-secondary);
    --shadow-hard: 4px 4px 0px 0px var(--color-text);
    --shadow-hard-sm: 3px 3px 0px 0px var(--color-text);
    --shadow-hard-lg: 6px 6px 0px 0px var(--color-text);
  }
  [data-theme="light"] {
    --color-border: var(--color-text);
    --color-border-light: var(--color-text);
    --color-text-muted: var(--color-text-secondary);
    --shadow-hard: 4px 4px 0px 0px var(--color-text);
    --shadow-hard-sm: 3px 3px 0px 0px var(--color-text);
    --shadow-hard-lg: 6px 6px 0px 0px var(--color-text);
  }
}

/* Colour Contrast Ratios (WCAG 2.1 AA) */
/*
 * Dark Theme (Monet-generated):
 *   --color-text on --color-base     = 21:1 ✓
 *   --color-text-secondary on base   = 15.3:1 ✓
 *   --color-text-muted on base       = 5.3:1  ✓ (large text)
 *   --color-accent on --color-text   = 4.5:1  ✓ (large text)
 *   --color-accent on --color-base   = 4.7:1  ✓
 *   --color-accent-alt on base       = 12.6:1 ✓
 *   --color-error on --color-base    = 5.2:1  ✓
 *   --color-success on --color-base  = 6.9:1  ✓
 *
 * Light Theme:
 *   --color-text on --color-base     = 21:1 ✓
 *   --color-text-secondary on base   = 15.3:1 ✓
 *   --color-text-muted on base       = 5.3:1  ✓ (large text)
 *   --color-accent on --color-text   = 4.5:1  ✓ (large text)
 *   --color-accent on --color-base   = 4.7:1  ✓
 */
/* Lumina Design System — Typography Tokens */
/* Version 0.6 */

:root {
  /* Font Families */
  --font: 'TikTok Sans', system-ui, sans-serif;
  --font-display: 'TikTok Sans', system-ui, sans-serif;
  --font-mono: 'Monaspace Krypton Var', 'SF Mono', 'Menlo', 'Consolas', monospace;

  /* Font Weights (TikTok Sans Variable: wght 300-900) */
  --weight-thin: 100;
  --weight-extralight: 200;
  --weight-light: 300;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --weight-extrabold: 800;
  --weight-black: 900;

  /* Font Widths (TikTok Sans Variable: wdth 75-125) — percentages for the font shorthand */
  --width-condensed: 75%;    /* Data, tight spaces, numbers */
  --width-semi-condensed: 87.5%; /* UI labels, badges */
  --width-normal: 100%;      /* Body, UI */
  --width-semi-wide: 112.5%; /* Subheadings */
  --width-wide: 118.75%;     /* Headlines (between semi-wide and ultrawide) */
  --width-ultrawide: 125%;   /* Display, hero */

  /* Line Heights */
  --leading-none: 1.0;
  --leading-tight: 1.1;
  --leading-snug: 1.2;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 1.8;

  /* Letter Spacing */
  --tracking-tighter: -0.03em;
  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.02em;
  --tracking-wider: 0.04em;
  --tracking-widest: 0.1em;

  /* Fluid Font Sizes — Mobile-first, scales to desktop */
  --text-2xs: clamp(10px, 0.625rem + 0.1vw, 11px);
  --text-xs: clamp(11px, 0.6875rem + 0.1vw, 12px);
  --text-sm: clamp(13px, 0.8125rem + 0.15vw, 14px);
  --text-base: clamp(15px, 0.9375rem + 0.2vw, 16px);
  --text-lg: clamp(17px, 1.0625rem + 0.25vw, 18px);
  --text-xl: clamp(19px, 1.1875rem + 0.3vw, 20px);
  --text-2xl: clamp(22px, 1.375rem + 0.4vw, 24px);
  --text-3xl: clamp(28px, 1.75rem + 0.6vw, 32px);
  --text-4xl: clamp(36px, 2.25rem + 0.8vw, 48px);
  --text-5xl: clamp(48px, 3rem + 1.2vw, 72px);
  --text-6xl: clamp(60px, 3.75rem + 1.5vw, 96px);

  /* ==========================================================================
     Typography Compositions — Semantic, Ready-to-Use
     ========================================================================== */

  /* Display — Hero, Marketing, Splash */
  --display-2xl: var(--weight-extrabold) var(--text-6xl) / var(--leading-none) var(--font-display);
  --display-xl: var(--weight-extrabold) var(--text-5xl) / var(--leading-none) var(--font-display);
  --display-lg: var(--weight-extrabold) var(--text-4xl) / var(--leading-tight) var(--font-display);
  --display-md: var(--weight-bold) var(--text-3xl) / var(--leading-tight) var(--font-display);
  --display-sm: var(--weight-bold) var(--text-2xl) / var(--leading-snug) var(--font-display);

  /* Hero — Brutalist Minimalism */
  --hero: var(--weight-extrabold) clamp(32px, 6vw, 56px) / var(--leading-none) var(--font-display);
  --hero-tracking: -0.035em; /* -2px at 56px */

  /* Headings — Content Structure */
  --heading-xl: var(--weight-bold) var(--text-3xl) / var(--leading-snug) var(--font);
  --heading-lg: var(--weight-bold) var(--text-2xl) / var(--leading-snug) var(--font);
  --heading-md: var(--weight-semibold) var(--text-xl) / var(--leading-snug) var(--font);
  --heading-sm: var(--weight-semibold) var(--text-lg) / var(--leading-snug) var(--font);
  --heading-xs: var(--weight-medium) var(--text-base) / var(--leading-snug) var(--font);

  /* Body — Reading Text */
  --body-lg: var(--weight-regular) var(--text-lg) / var(--leading-relaxed) var(--font);
  --body: var(--weight-regular) var(--text-base) / var(--leading-normal) var(--font);
  --body-sm: var(--weight-regular) var(--text-sm) / var(--leading-normal) var(--font);
  --body-xs: var(--weight-regular) var(--text-xs) / var(--leading-normal) var(--font);

  /* UI — Buttons, Inputs, Labels, Navigation */
  --ui-xl: var(--weight-semibold) var(--text-lg) / var(--leading-normal) var(--font);
  --ui-lg: var(--weight-medium) var(--text-base) / var(--leading-normal) var(--font);
  --ui: var(--weight-medium) var(--text-sm) / var(--leading-normal) var(--font);
  --ui-sm: var(--weight-medium) var(--text-sm) / var(--leading-normal) var(--font);
  --ui-xs: var(--weight-medium) var(--text-xs) / var(--leading-normal) var(--font);
  --ui-2xs: var(--weight-medium) var(--text-2xs) / var(--leading-normal) var(--font);

  /* Labels & Captions */
  --label: var(--weight-semibold) var(--text-xs) / var(--leading-normal) var(--font);
  --label-sm: var(--weight-medium) var(--text-2xs) / var(--leading-normal) var(--font);
  --caption: var(--weight-regular) var(--text-xs) / var(--leading-normal) var(--font);
  --caption-sm: var(--weight-regular) var(--text-2xs) / var(--leading-normal) var(--font);
  --overline: var(--weight-bold) var(--text-2xs) / var(--leading-none) var(--font);

  /* Data & Numbers — Tabular, Aligned */
  --data-xl: var(--weight-bold) var(--text-3xl) / var(--leading-tight) var(--font-mono);
  --data-lg: var(--weight-semibold) var(--text-2xl) / var(--leading-tight) var(--font-mono);
  --data: var(--weight-medium) var(--text-lg) / var(--leading-normal) var(--font-mono);
  --data-sm: var(--weight-medium) var(--text-base) / var(--leading-normal) var(--font-mono);
  --data-xs: var(--weight-regular) var(--text-sm) / var(--leading-normal) var(--font-mono);
  --data-2xs: var(--weight-regular) var(--text-xs) / var(--leading-normal) var(--font-mono);

  /* Monaspace Krypton Var Weight Presets (wght 200-800) */
  --mono-wght-extralight: 200;
  --mono-wght-light: 300;
  --mono-wght-regular: 400;
  --mono-wght-medium: 500;
  --mono-wght-semibold: 600;
  --mono-wght-bold: 700;
  --mono-wght-extrabold: 800;

  /* Code — Inline & Block */
  --code-lg: var(--weight-regular) var(--text-base) / var(--leading-normal) var(--font-mono);
  --code: var(--weight-regular) var(--text-sm) / var(--leading-normal) var(--font-mono);
  --code-sm: var(--weight-regular) var(--text-xs) / var(--leading-normal) var(--font-mono);

  /* Monaspace Krypton Var Combinations */
  --vf-mono-regular: 'wght' var(--mono-wght-regular);
  --vf-mono-medium: 'wght' var(--mono-wght-medium);
  --vf-mono-semibold: 'wght' var(--mono-wght-semibold);
  --vf-mono-bold: 'wght' var(--mono-wght-bold);
  --vf-mono-data: 'wght' var(--mono-wght-medium);
  --vf-mono-data-bold: 'wght' var(--mono-wght-bold);

  /* ==========================================================================
     Variable Font Settings — For Direct font-variation-settings Use
     ========================================================================== */

  /* Weight axis presets */
  --vf-wght-thin: 100;
  --vf-wght-extralight: 200;
  --vf-wght-light: 300;
  --vf-wght-regular: 400;
  --vf-wght-medium: 500;
  --vf-wght-semibold: 600;
  --vf-wght-bold: 700;
  --vf-wght-extrabold: 800;
  --vf-wght-black: 900;

  /* Width axis presets */
  --vf-wdth-condensed: 75;
  --vf-wdth-semi-condensed: 87.5;
  --vf-wdth-normal: 100;
  --vf-wdth-semi-wide: 112.5;
  --vf-wdth-wide: 118.75;
  --vf-wdth-ultrawide: 125;

  /* Common Variable Font Combinations */
  --vf-display: 'wght' var(--vf-wght-extrabold), 'wdth' var(--vf-wdth-ultrawide);
  --vf-heading: 'wght' var(--vf-wght-bold), 'wdth' var(--vf-wdth-normal);
  --vf-body: 'wght' var(--vf-wght-regular), 'wdth' var(--vf-wdth-normal);
  --vf-ui: 'wght' var(--vf-wght-medium), 'wdth' var(--vf-wdth-normal);
  --vf-data: 'wght' var(--vf-wght-medium);
  --vf-data-bold: 'wght' var(--vf-wght-bold);
  --vf-label: 'wght' var(--vf-wght-semibold), 'wdth' var(--vf-wdth-semi-condensed);
  --vf-caption: 'wght' var(--vf-wght-regular), 'wdth' var(--vf-wdth-normal);

  /* Section Heading — Semantic token for demo section headers */
  --section-heading: 'wght' var(--vf-wght-bold), 'wdth' var(--vf-wdth-normal);
}

/* ==========================================================================
   Typography Utility Classes
   ========================================================================== */

/* Display */
.lm-display-2xl { font: var(--display-2xl); font-stretch: var(--width-ultrawide); }
.lm-display-xl { font: var(--display-xl); font-stretch: var(--width-ultrawide); }
.lm-display-lg { font: var(--display-lg); font-stretch: var(--width-wide); }
.lm-display-md { font: var(--display-md); font-stretch: var(--width-wide); }
.lm-display-sm { font: var(--display-sm); font-stretch: var(--width-semi-wide); }

/* Headings */
.lm-heading-xl { font: var(--heading-xl); font-stretch: var(--width-normal); }
.lm-heading-lg { font: var(--heading-lg); font-stretch: var(--width-normal); }
.lm-heading-md { font: var(--heading-md); font-stretch: var(--width-normal); }
.lm-heading-sm { font: var(--heading-sm); font-stretch: var(--width-normal); }
.lm-heading-xs { font: var(--heading-xs); font-stretch: var(--width-semi-wide); }

/* Body */
.lm-body-lg { font: var(--body-lg); font-stretch: var(--width-normal); }
.lm-body { font: var(--body); font-stretch: var(--width-normal); }
.lm-body-sm { font: var(--body-sm); font-stretch: var(--width-normal); }
.lm-body-xs { font: var(--body-xs); font-stretch: var(--width-normal); }

/* UI */
.lm-ui-xl { font: var(--ui-xl); font-stretch: var(--width-normal); }
.lm-ui-lg { font: var(--ui-lg); font-stretch: var(--width-normal); }
.lm-ui { font: var(--ui); font-stretch: var(--width-normal); }
.lm-ui-sm { font: var(--ui-sm); font-stretch: var(--width-semi-condensed); }
.lm-ui-xs { font: var(--ui-xs); font-stretch: var(--width-condensed); }
.lm-ui-2xs { font: var(--ui-2xs); font-stretch: var(--width-condensed); }

/* Labels & Captions */
.lm-label { font: var(--label); font-stretch: var(--width-semi-condensed); text-transform: uppercase; letter-spacing: var(--tracking-wide); }
.lm-label-sm { font: var(--label-sm); font-stretch: var(--width-condensed); text-transform: uppercase; letter-spacing: var(--tracking-wider); }
.lm-caption { font: var(--caption); font-stretch: var(--width-normal); }
.lm-caption-sm { font: var(--caption-sm); font-stretch: var(--width-condensed); }
.lm-overline { font: var(--overline); font-stretch: var(--width-condensed); text-transform: uppercase; letter-spacing: var(--tracking-widest); }

/* Data */
.lm-data-xl { font: var(--data-xl); font-variant-numeric: tabular-nums; }
.lm-data-lg { font: var(--data-lg); font-variant-numeric: tabular-nums; }
.lm-data { font: var(--data); font-variant-numeric: tabular-nums; }
.lm-data-sm { font: var(--data-sm); font-variant-numeric: tabular-nums; }
.lm-data-xs { font: var(--data-xs); font-variant-numeric: tabular-nums; }
.lm-data-2xs { font: var(--data-2xs); font-variant-numeric: tabular-nums; }

/* Code */
.lm-code-lg { font: var(--code-lg); font-stretch: var(--width-normal); }
.lm-code { font: var(--code); font-stretch: var(--width-normal); }
.lm-code-sm { font: var(--code-sm); font-stretch: var(--width-normal); }

/* ==========================================================================
   Text Utility Classes
   ========================================================================== */

/* Weight */
.lm-weight-thin { font-weight: var(--weight-thin); }
.lm-weight-extralight { font-weight: var(--weight-extralight); }
.lm-weight-light { font-weight: var(--weight-light); }
.lm-weight-regular { font-weight: var(--weight-regular); }
.lm-weight-medium { font-weight: var(--weight-medium); }
.lm-weight-semibold { font-weight: var(--weight-semibold); }
.lm-weight-bold { font-weight: var(--weight-bold); }
.lm-weight-extrabold { font-weight: var(--weight-extrabold); }
.lm-weight-black { font-weight: var(--weight-black); }

/* Width (Variable Font) */
.lm-width-condensed { font-stretch: 75%; }
.lm-width-semi-condensed { font-stretch: 87.5%; }
.lm-width-normal { font-stretch: 100%; }
.lm-width-semi-wide { font-stretch: 112.5%; }
.lm-width-wide { font-stretch: 118.75%; }
.lm-width-ultrawide { font-stretch: 125%; }

/* Variable Font Direct Control */
.lm-vf-display { font-variation-settings: var(--vf-display); }
.lm-vf-heading { font-variation-settings: var(--vf-heading); }
.lm-vf-body { font-variation-settings: var(--vf-body); }
.lm-vf-ui { font-variation-settings: var(--vf-ui); }
.lm-vf-data { font-variation-settings: var(--vf-data); }
.lm-vf-data-bold { font-variation-settings: var(--vf-data-bold); }
.lm-vf-label { font-variation-settings: var(--vf-label); }
.lm-vf-caption { font-variation-settings: var(--vf-caption); }

/* Line Height */
.lm-leading-none { line-height: var(--leading-none); }
.lm-leading-tight { line-height: var(--leading-tight); }
.lm-leading-snug { line-height: var(--leading-snug); }
.lm-leading-normal { line-height: var(--leading-normal); }
.lm-leading-relaxed { line-height: var(--leading-relaxed); }
.lm-leading-loose { line-height: var(--leading-loose); }

/* Tracking */
.lm-tracking-tighter { letter-spacing: var(--tracking-tighter); }
.lm-tracking-tight { letter-spacing: var(--tracking-tight); }
.lm-tracking-normal { letter-spacing: var(--tracking-normal); }
.lm-tracking-wide { letter-spacing: var(--tracking-wide); }
.lm-tracking-wider { letter-spacing: var(--tracking-wider); }
.lm-tracking-widest { letter-spacing: var(--tracking-widest); }

/* Text Transform */
.lm-uppercase { text-transform: uppercase; }
.lm-lowercase { text-transform: lowercase; }
.lm-capitalize { text-transform: capitalize; }
.lm-normal-case { text-transform: none; }

/* Text Decoration */
.lm-underline { text-decoration: underline; }
.lm-line-through { text-decoration: line-through; }
.lm-no-underline { text-decoration: none; }

/* Text Align */
.lm-text-left { text-align: left; }
.lm-text-center { text-align: center; }
.lm-text-right { text-align: right; }
.lm-text-justify { text-align: justify; }

/* Text Wrap */
.lm-wrap-balance { text-wrap: balance; }
.lm-wrap-pretty { text-wrap: pretty; }
.lm-wrap-stable { text-wrap: stable; }
.lm-nowrap { white-space: nowrap; }

/* Text Overflow */
.lm-truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lm-truncate-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.lm-truncate-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* Font Variant Numeric */
.lm-tabular-nums { font-variant-numeric: tabular-nums; }
.lm-proportional-nums { font-variant-numeric: proportional-nums; }
.lm-slashed-zero { font-variant-numeric: slashed-zero; }
.lm-ordinal { font-variant-numeric: ordinal; }
.lm-diacritical { font-variant-numeric: diagonal-fractions; }

/* Font Feature Settings — Archivo Specific */
.lm-smcp { font-variant-caps: small-caps; }
.lm-c2sc { font-variant-caps: all-small-caps; }
.lm-lnum { font-variant-numeric: lining-nums; }
.lm-onum { font-variant-numeric: oldstyle-nums; }
.lm-frac { font-variant-numeric: diagonal-fractions; }

/* Monaspace Krypton Var Font Utilities */
.lm-mono-regular { font-variation-settings: var(--vf-mono-regular); }
.lm-mono-medium { font-variation-settings: var(--vf-mono-medium); }
.lm-mono-semibold { font-variation-settings: var(--vf-mono-semibold); }
.lm-mono-bold { font-variation-settings: var(--vf-mono-bold); }
.lm-mono-data { font-variation-settings: var(--vf-mono-data); font-variant-numeric: tabular-nums; }
.lm-mono-data-bold { font-variation-settings: var(--vf-mono-data-bold); font-variant-numeric: tabular-nums; }

/* Gradient Text — For Brand Moments */
.lm-text-gradient {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-alt));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.lm-text-gradient-accent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-alt));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* High Contrast Text — For Accessibility */
@media (prefers-contrast: more) {
  :root {
    --weight-regular: 500;
    --weight-medium: 600;
    --weight-semibold: 700;
    --weight-bold: 800;
  }
}

/* Reduced Motion — Affects Variable Font Animation */
@media (prefers-reduced-motion: reduce) {
  * {
    font-variation-settings: 'wght' 400, 'wdth' 100 !important;
    transition: font-variation-settings 0ms !important;
  }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
  :root {
    --font: system-ui, sans-serif;
    --font-mono: 'SF Mono', 'Menlo', 'Consolas', monospace;
    --text-5xl: 48px;
    --text-4xl: 36px;
    --text-3xl: 28px;
  }

  .lm-text-gradient,
  .lm-text-gradient-accent {
    -webkit-text-fill-color: initial;
    color: initial;
    background: none;
  }
}

/* Lumina Design System — Spacing Tokens */
/* Version 0.4 */

:root {
  /* Base Unit: 4px */
  --space-0: 0;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 28px;
  --space-8: 32px;
  --space-9: 36px;
  --space-10: 40px;
  --space-11: 44px;
  --space-12: 48px;
  --space-14: 56px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-28: 112px;
  --space-32: 128px;

  /* Semantic Spacing */
  --space-xs: var(--space-1);
  --space-sm: var(--space-2);
  --space-md: var(--space-4);
  --space-lg: var(--space-6);
  --space-xl: var(--space-8);
  --space-2xl: var(--space-12);
  --space-3xl: var(--space-16);
  --space-4xl: var(--space-24);

  /* Component-Specific Spacing */
  --space-btn-x: var(--space-6);
  --space-btn-y: var(--space-3);
  --space-input-x: var(--space-3);
  --space-input-y: var(--space-3);
  --space-card: var(--space-6);
  --space-badge-x: var(--space-3);
  --space-badge-y: var(--space-1);
  --space-grid-gap: var(--space-6);
  --space-grid-gap-sm: var(--space-4);
  --space-grid-gap-lg: var(--space-8);
  --space-container-x: var(--space-4);
  --space-section-y: var(--space-12);
}

/* Lumina Design System — Border & Shadow Tokens */
/* Version 0.4 */

:root {
  /* Border Widths */
  --border-width-thick: 4px;
  --border-width-medium: 3px;
  --border-width-thin: 2px;
  --border-width-hairline: 1px;

  /* Border Styles — Brutalist: solid, no radius */
  --border-style: solid;

  /* Border Compositions */
  --border-thick: var(--border-width-thick) var(--border-style) var(--color-text);
  --border-medium: var(--border-width-medium) var(--border-style) var(--color-text);
  --border-thin: var(--border-width-thin) var(--border-style) var(--color-text);
  --border-hairline: var(--border-width-hairline) var(--border-style) var(--color-border);

  /* Border Variants */
  --border-accent: var(--border-width-medium) var(--border-style) var(--color-accent);
  --border-error: var(--border-width-medium) var(--border-style) var(--color-error);
  --border-success: var(--border-width-medium) var(--border-style) var(--color-success);
  --border-warning: var(--border-width-medium) var(--border-style) var(--color-warning);
  --border-focus: var(--border-width-thick) var(--border-style) var(--color-accent);

  /* Border Radius — Brutalist: zero everywhere */
  --radius-none: 0;
  --radius-sm: 0;
  --radius-md: 0;
  --radius-lg: 0;
  --radius-full: 0;

  /* The ONE exception: radio buttons need circular shape for UX clarity */
  --radius-radio: 50%;

  /* Shadows — Hard, offset, unblurred (brutalist signature) */
  --shadow-hard: 6px 6px 0px 0px var(--color-text);
  --shadow-hard-sm: 4px 4px 0px 0px var(--color-text);
  --shadow-hard-lg: 8px 8px 0px 0px var(--color-text);

  /* Shadow Variants */
  --shadow-accent: 6px 6px 0px 0px var(--color-accent);
  --shadow-accent-sm: 4px 4px 0px 0px var(--color-accent);
  --shadow-accent-lg: 8px 8px 0px 0px var(--color-accent);

  /* Elevation Scale (for layered interfaces) */
  --elevation-1: var(--shadow-hard-sm);
  --elevation-2: var(--shadow-hard);
  --elevation-3: var(--shadow-hard-lg);
  --elevation-4: 10px 10px 0px 0px var(--color-text);
  --elevation-5: 12px 12px 0px 0px var(--color-text);

  /* Focus Ring (accessibility) */
  --focus-ring: var(--border-width-thick) var(--border-style) var(--color-accent);
  --focus-ring-offset: 2px;
}

/* Light Theme Shadow Adjustments */
[data-theme="light"] {
  --shadow-hard: 6px 6px 0px 0px var(--color-text);
  --shadow-hard-sm: 4px 4px 0px 0px var(--color-text);
  --shadow-hard-lg: 8px 8px 0px 0px var(--color-text);
  --shadow-accent: 6px 6px 0px 0px var(--color-accent);
  --shadow-accent-sm: 4px 4px 0px 0px var(--color-accent);
  --shadow-accent-lg: 8px 8px 0px 0px var(--color-accent);
  --elevation-1: var(--shadow-hard-sm);
  --elevation-2: var(--shadow-hard);
  --elevation-3: var(--shadow-hard-lg);
  --elevation-4: 10px 10px 0px 0px var(--color-text);
  --elevation-5: 12px 12px 0px 0px var(--color-text);
}

/* High Contrast Mode */
@media (prefers-contrast: more) {
  :root,
  [data-theme="light"] {
    --shadow-hard: 4px 4px 0px 0px var(--color-text);
    --shadow-hard-sm: 3px 3px 0px 0px var(--color-text);
    --shadow-hard-lg: 6px 6px 0px 0px var(--color-text);
  }
}
/* Lumina Design System — Shadow Tokens */
/* Version 0.5 */

:root {
  /* Elevation Shadows — Hard, Unblurred, Offset */
  --shadow-elevation-1: 2px 2px 0px 0px var(--color-border);
  --shadow-elevation-2: 4px 4px 0px 0px var(--color-border);
  --shadow-elevation-3: 6px 6px 0px 0px var(--color-border);
  --shadow-elevation-4: 8px 8px 0px 0px var(--color-border);
  --shadow-elevation-5: 12px 12px 0px 0px var(--color-border);

  /* Component-Specific Shadows */
  --shadow-card: var(--shadow-elevation-2);
  --shadow-card-hover: var(--shadow-elevation-3);
  --shadow-modal: var(--shadow-elevation-4);
  --shadow-dropdown: var(--shadow-elevation-3);
  --shadow-tooltip: var(--shadow-elevation-2);
  --shadow-toast: var(--shadow-elevation-3);
  --shadow-navbar: var(--shadow-elevation-2);
  --shadow-sheet: var(--shadow-elevation-3);

  /* Focus Ring Shadow — For Accessibility */
  --shadow-focus: 0 0 0 3px var(--color-accent);
  --shadow-focus-error: 0 0 0 3px var(--color-error);
  --shadow-focus-success: 0 0 0 3px var(--color-success);

  /* Inset Shadows */
  --shadow-inset: inset 2px 2px 0px 0px var(--color-border-light);
  --shadow-inset-deep: inset 4px 4px 0px 0px var(--color-border);

  /* Colored Shadows — For Brand Moments */
  --shadow-accent: 6px 6px 0px 0px var(--color-accent);
  --shadow-accent-alt: 6px 6px 0px 0px var(--color-accent-alt);

  /* Text Shadows — For Headlines */
  --shadow-text: 2px 2px 0px 0px var(--color-base);
  --shadow-text-accent: 2px 2px 0px 0px var(--color-accent);
}

/* Light Theme Shadow Adjustments */
[data-theme="light"] {
  --shadow-elevation-1: 2px 2px 0px 0px var(--color-border);
  --shadow-elevation-2: 4px 4px 0px 0px var(--color-border);
  --shadow-elevation-3: 6px 6px 0px 0px var(--color-border);
  --shadow-elevation-4: 8px 8px 0px 0px var(--color-border);
  --shadow-elevation-5: 12px 12px 0px 0px var(--color-border);
}

/* High Contrast Mode */
@media (prefers-contrast: more) {
  :root {
    --shadow-elevation-1: 2px 2px 0px 0px var(--color-text);
    --shadow-elevation-2: 4px 4px 0px 0px var(--color-text);
    --shadow-elevation-3: 6px 6px 0px 0px var(--color-text);
    --shadow-elevation-4: 8px 8px 0px 0px var(--color-text);
    --shadow-elevation-5: 12px 12px 0px 0px var(--color-text);
  }
}
/* Lumina Design System — Motion Tokens */
/* Version 0.5 */

:root {
  /* Durations */
  --duration-instant: 0ms;
  --duration-fast: 100ms;
  --duration-normal: 200ms;
  --duration-moderate: 350ms;
  --duration-slow: 500ms;
  --duration-slower: 700ms;

  /* Easing Functions */
  --ease-linear: linear;
  --ease-spring: cubic-bezier(0.34, 1.0, 0.64, 1.0);
  --ease-bounce: cubic-bezier(0.68, 0.0, 0.265, 1.0);
  --ease-standard: cubic-bezier(0.2, 0.0, 0.0, 1.0);
  --ease-enter: cubic-bezier(0.0, 0.0, 0.2, 1.0);
  --ease-exit: cubic-bezier(0.4, 0.0, 1.0, 1.0);
  --ease-in-out: cubic-bezier(0.4, 0.0, 0.2, 1.0);
  --ease-emphasized: cubic-bezier(0.2, 0.0, 0.0, 1.0);
  --ease-decelerate: cubic-bezier(0.0, 0.0, 0.2, 1.0);
  --ease-accelerate: cubic-bezier(0.4, 0.0, 1.0, 1.0);

  /* Transition Presets */
  --transition-instant: all var(--duration-instant) var(--ease-linear);
  --transition-fast: all var(--duration-fast) var(--ease-standard);
  --transition-normal: all var(--duration-normal) var(--ease-standard);
  --transition-moderate: all var(--duration-moderate) var(--ease-spring);
  --transition-slow: all var(--duration-slow) var(--ease-spring);
  --transition-slower: all var(--duration-slower) var(--ease-spring);

  /* Specific Transitions */
  --transition-transform: transform var(--duration-fast) var(--ease-standard);
  --transition-opacity: opacity var(--duration-fast) var(--ease-standard);
  --transition-shadow: box-shadow var(--duration-fast) var(--ease-standard);
  --transition-colors: background-color var(--duration-fast) var(--ease-standard),
    border-color var(--duration-fast) var(--ease-standard),
    color var(--duration-fast) var(--ease-standard);
  --transition-width: width var(--duration-normal) var(--ease-standard);
  --transition-height: height var(--duration-normal) var(--ease-standard);
  --transition-radius: border-radius var(--duration-normal) var(--ease-standard);

  /* Stagger Delays — For Orchestrated Entrances */
  --stagger-1: calc(var(--duration-fast) * 1);
  --stagger-2: calc(var(--duration-fast) * 2);
  --stagger-3: calc(var(--duration-fast) * 3);
  --stagger-4: calc(var(--duration-fast) * 4);
  --stagger-5: calc(var(--duration-fast) * 5);

  /* Motion Scale — For Density-Adaptive Motion */
  --motion-scale: 1;

  /* Stagger Base — Base delay unit for orchestrated entrances */
  --stagger-base: 50ms;
}

/* Reduced Motion — Critical for Accessibility */
@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-instant: 0ms;
    --duration-fast: 0ms;
    --duration-normal: 0ms;
    --duration-moderate: 0ms;
    --duration-slow: 0ms;
    --duration-slower: 0ms;
    --motion-scale: 0;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   Keyframe Animations — Built on Motion Tokens
   ========================================================================== */

/* Fade */
@keyframes lm-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes lm-fade-out {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* Slide — Entrance */
@keyframes lm-slide-up {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes lm-slide-down {
  from { opacity: 0; transform: translateY(-16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes lm-slide-left {
  from { opacity: 0; transform: translateX(16px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes lm-slide-right {
  from { opacity: 0; transform: translateX(-16px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Slide — Exit */
@keyframes lm-slide-up-exit {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-16px); }
}

@keyframes lm-slide-down-exit {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(16px); }
}

/* Scale */
@keyframes lm-scale-in {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes lm-scale-out {
  from { opacity: 1; transform: scale(1); }
  to { opacity: 0; transform: scale(0.95); }
}

@keyframes lm-scale-up {
  from { transform: scale(1); }
  to { transform: scale(1.02); }
}

/* Attention */
@keyframes lm-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-8px); }
  75% { transform: translateX(8px); }
}

@keyframes lm-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes lm-pulse-scale {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes lm-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes lm-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Reveal */
@keyframes lm-reveal-up {
  from { opacity: 0; transform: translateY(100%); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes lm-reveal-down {
  from { opacity: 0; transform: translateY(-100%); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Animation Utility Classes
   ========================================================================== */

/* Fade */
.lm-animate-fade-in {
  animation: lm-fade-in var(--duration-fast) var(--ease-enter) forwards;
}

.lm-animate-fade-out {
  animation: lm-fade-out var(--duration-fast) var(--ease-exit) forwards;
}

/* Slide Entrance */
.lm-animate-slide-up {
  animation: lm-slide-up var(--duration-moderate) var(--ease-spring) forwards;
}

.lm-animate-slide-down {
  animation: lm-slide-down var(--duration-moderate) var(--ease-spring) forwards;
}

.lm-animate-slide-left {
  animation: lm-slide-left var(--duration-moderate) var(--ease-spring) forwards;
}

.lm-animate-slide-right {
  animation: lm-slide-right var(--duration-moderate) var(--ease-spring) forwards;
}

/* Slide Exit */
.lm-animate-slide-up-exit {
  animation: lm-slide-up-exit var(--duration-fast) var(--ease-exit) forwards;
}

.lm-animate-slide-down-exit {
  animation: lm-slide-down-exit var(--duration-fast) var(--ease-exit) forwards;
}

/* Scale */
.lm-animate-scale-in {
  animation: lm-scale-in var(--duration-moderate) var(--ease-spring) forwards;
}

.lm-animate-scale-out {
  animation: lm-scale-out var(--duration-fast) var(--ease-exit) forwards;
}

/* Attention */
.lm-animate-shake {
  animation: lm-shake var(--duration-moderate) var(--ease-standard);
}

.lm-animate-pulse {
  animation: lm-pulse var(--duration-slow) var(--ease-standard) infinite;
}

.lm-animate-pulse-scale {
  animation: lm-pulse-scale var(--duration-slow) var(--ease-spring) infinite;
}

.lm-animate-bounce {
  animation: lm-bounce var(--duration-moderate) var(--ease-bounce) infinite;
}

.lm-animate-spin {
  animation: lm-spin var(--duration-slow) var(--ease-linear) infinite;
}

/* Reveal */
.lm-animate-reveal-up {
  animation: lm-reveal-up var(--duration-slow) var(--ease-decelerate) forwards;
}

.lm-animate-reveal-down {
  animation: lm-reveal-down var(--duration-slow) var(--ease-decelerate) forwards;
}

/* ==========================================================================
   Stagger Utilities — Apply to Parent for Orchestrated Children
   ========================================================================== */

.lm-stagger-children > * {
  opacity: 0;
  animation: lm-fade-in var(--duration-fast) var(--ease-enter) forwards;
}

.lm-stagger-children > *:nth-child(1)  { animation-delay: var(--stagger-1); }
.lm-stagger-children > *:nth-child(2)  { animation-delay: var(--stagger-2); }
.lm-stagger-children > *:nth-child(3)  { animation-delay: var(--stagger-3); }
.lm-stagger-children > *:nth-child(4)  { animation-delay: var(--stagger-4); }
.lm-stagger-children > *:nth-child(5)  { animation-delay: var(--stagger-5); }
.lm-stagger-children > *:nth-child(6)  { animation-delay: calc(var(--stagger-5) + var(--duration-fast)); }
.lm-stagger-children > *:nth-child(7)  { animation-delay: calc(var(--stagger-5) + var(--duration-fast) * 2); }
.lm-stagger-children > *:nth-child(8)  { animation-delay: calc(var(--stagger-5) + var(--duration-fast) * 3); }
.lm-stagger-children > *:nth-child(9)  { animation-delay: calc(var(--stagger-5) + var(--duration-fast) * 4); }
.lm-stagger-children > *:nth-child(10) { animation-delay: calc(var(--stagger-5) + var(--duration-fast) * 5); }

/* Slide-up stagger variant */
.lm-stagger-slide-up > * {
  opacity: 0;
  animation: lm-slide-up var(--duration-moderate) var(--ease-spring) forwards;
}

.lm-stagger-slide-up > *:nth-child(1)  { animation-delay: var(--stagger-1); }
.lm-stagger-slide-up > *:nth-child(2)  { animation-delay: var(--stagger-2); }
.lm-stagger-slide-up > *:nth-child(3)  { animation-delay: var(--stagger-3); }
.lm-stagger-slide-up > *:nth-child(4)  { animation-delay: var(--stagger-4); }
.lm-stagger-slide-up > *:nth-child(5)  { animation-delay: var(--stagger-5); }

/* ==========================================================================
   Motion State Hooks — For Component Authors
   ========================================================================== */

/* Entering state — apply during mount */
.lm-entering {
  animation: lm-fade-in var(--duration-fast) var(--ease-enter) forwards;
}

/* Exiting state — apply before unmount (requires JS coordination) */
.lm-exiting {
  animation: lm-fade-out var(--duration-fast) var(--ease-exit) forwards;
}

/* Focus motion — subtle scale on focus-visible */
.lm-focus-motion:focus-visible {
  animation: lm-scale-up var(--duration-fast) var(--ease-spring) forwards;
}

/* Hover lift — for interactive elements */
.lm-hover-lift:hover {
  transform: translateY(-2px);
  transition: var(--transition-transform);
}

/* Pressed state — instant scale down */
.lm-press-scale:active {
  transform: scale(0.98);
  transition: var(--transition-instant);
}

/* ==========================================================================
   Container Animation — For Layout Transitions
   ========================================================================== */

.lm-animate-layout {
  transition: width var(--duration-normal) var(--ease-standard),
    height var(--duration-normal) var(--ease-standard),
    grid-template-columns var(--duration-normal) var(--ease-standard),
    grid-template-rows var(--duration-normal) var(--ease-standard),
    flex-basis var(--duration-normal) var(--ease-standard);
}

@media (prefers-reduced-motion: reduce) {
  .lm-animate-layout {
    transition: none;
  }
}

/* Lumina Design System — Z-Index Scale Tokens */
/* Version 0.4 */

:root {
  /* Base Layers */
  --z-base: 0;
  --z-content: 10;

  /* Navigation & Persistent UI */
  --z-sticky: 100;
  --z-nav: 200;
  --z-header: 300;

  /* Overlays & Popovers */
  --z-dropdown: 400;
  --z-popover: 500;
  --z-tooltip: 600;

  /* Modals & Dialogs */
  --z-modal-backdrop: 700;
  --z-modal: 800;
  --z-dialog: 800;

  /* System Critical */
  --z-toast: 900;
  --z-toaster: 950;
  --z-skip-link: 1000;

  /* Maximum (for dev tools, emergency overrides) */
  --z-max: 2147483647;
}

/* Z-Index Usage Guidelines:
 *
 * --z-base / --z-content: Page content, cards, standard elements
 * --z-sticky: Table headers, sticky sidebars
 * --z-nav / --z-header: Navigation bars, fixed headers
 * --z-dropdown: Dropdown menus, select popovers
 * --z-popover: Popovers, tooltips with interactive content
 * --z-tooltip: Simple tooltips (non-interactive)
 * --z-modal-backdrop: Modal overlay/backdrop
 * --z-modal / --z-dialog: Modal dialogs, drawers, sheets
 * --z-toast: Toast notifications
 * --z-toaster: Toast container (stacks toasts)
 * --z-skip-link: Skip to main content link (highest for accessibility)
 *
 * Rule: Always use tokens, never raw numbers.
 *       Components should document their z-index in comments.
 */

/* ==========================================================================
   Components
   ========================================================================== */

/* Lumina Design System — Button Component */
/* Version 0.4 */

.lm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font);
  font-variation-settings: 'wght' 700, 'wdth' 100, 'slnt' 0;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  padding: var(--space-btn-y) var(--space-btn-x);
  border: var(--border-medium);
  border-radius: var(--radius-none);
  cursor: pointer;
  transition: var(--transition-transform), var(--transition-shadow), font-variation-settings 0.15s ease;
  background: var(--color-base);
  color: var(--color-text);
  box-shadow: var(--shadow-hard);
  white-space: nowrap;
  line-height: 1;
}

.lm-btn:hover:not(:disabled):not([aria-disabled="true"]) {
  transform: translate(4px, 4px);
  box-shadow: none;
  font-variation-settings: 'wght' 800, 'wdth' 105, 'slnt' 4;
}

.lm-btn:active:not(:disabled):not([aria-disabled="true"]) {
  transform: translate(6px, 6px);
  box-shadow: none;
  font-variation-settings: 'wght' 900, 'wdth' 110, 'slnt' 8;
}

.lm-btn:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

.lm-btn:disabled,
.lm-btn[aria-disabled="true"] {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: var(--shadow-hard);
}

/* Primary — Brand Accent */
.lm-btn-primary {
  background: var(--color-accent);
  color: var(--color-text);
  border-color: var(--color-text);
  box-shadow: var(--shadow-accent);
}

.lm-btn-primary:hover:not(:disabled):not([aria-disabled="true"]) {
  background: var(--color-text);
  color: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: none;
}

.lm-btn-primary:active:not(:disabled):not([aria-disabled="true"]) {
  background: var(--color-text);
  color: var(--color-accent);
}

/* Secondary — Outline */
.lm-btn-secondary {
  background: transparent;
  border: var(--border-thin);
  box-shadow: var(--shadow-hard-sm);
}

.lm-btn-secondary:hover:not(:disabled):not([aria-disabled="true"]) {
  background: var(--color-raised);
  box-shadow: none;
}

/* Ghost — Minimal */
.lm-btn-ghost {
  background: transparent;
  border: var(--border-thin);
  box-shadow: none;
}

.lm-btn-ghost:hover:not(:disabled):not([aria-disabled="true"]) {
  background: var(--color-overlay);
  box-shadow: none;
  transform: none;
}

/* Danger — Error State */
.lm-btn-danger {
  background: var(--color-error);
  color: var(--color-text);
  border-color: var(--color-text);
  box-shadow: 6px 6px 0px 0px var(--color-error);
}

.lm-btn-danger:hover:not(:disabled):not([aria-disabled="true"]) {
  background: var(--color-text);
  color: var(--color-error);
  border-color: var(--color-error);
  box-shadow: none;
}

/* Success */
.lm-btn-success {
  background: var(--color-success);
  color: var(--color-base);
  border-color: var(--color-base);
  box-shadow: 6px 6px 0px 0px var(--color-success);
}

.lm-btn-success:hover:not(:disabled):not([aria-disabled="true"]) {
  background: var(--color-base);
  color: var(--color-success);
  border-color: var(--color-success);
  box-shadow: none;
}

/* Sizes */
.lm-btn-sm {
  font-size: var(--text-xs);
  padding: var(--space-2) var(--space-4);
  gap: var(--space-1);
}

.lm-btn-lg {
  font-size: var(--text-base);
  padding: var(--space-4) var(--space-8);
  gap: var(--space-3);
}

.lm-btn-xl {
  font-size: var(--text-lg);
  padding: var(--space-5) var(--space-10);
  gap: var(--space-3);
}

/* Full Width */
.lm-btn-block {
  width: 100%;
}

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

.lm-btn-loading::after {
  content: "";
  position: absolute;
  width: 1em;
  height: 1em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: var(--radius-none);
  animation: lm-spin var(--duration-slow) var(--ease-linear) infinite;
}

/* Button Group */
.lm-btn-group {
  display: inline-flex;
  gap: 0;
}

.lm-btn-group .lm-btn:not(:first-child) {
  border-left-width: var(--border-width-hairline);
}

.lm-btn-group .lm-btn:focus-visible {
  z-index: 1;
}

/* Icon Button */
.lm-btn-icon {
  padding: var(--space-btn-y);
  aspect-ratio: 1 / 1;
}

.lm-btn-icon.lm-btn-sm {
  padding: var(--space-2);
}

.lm-btn-icon.lm-btn-lg {
  padding: var(--space-4);
}

/* Button with Mark */
.lm-btn .lm-mark {
  font-size: 1.25em;
}
/* Lumina Design System — Badge Component */
/* Version 0.4 */

.lm-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-badge-x);
  font-family: var(--font);
  font-variation-settings: 'wght' 700, 'wdth' 100, 'slnt' 0;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  padding: var(--space-badge-y) var(--space-badge-x);
  border: var(--border-thin);
  border-radius: var(--radius-none);
  background: var(--color-base);
  color: var(--color-text);
  line-height: 1;
  white-space: nowrap;
  transition: font-variation-settings 0.15s ease;
}

/* Brand — Accent Background */
.lm-badge-brand {
  background: var(--color-accent);
  color: var(--color-text);
  border-color: var(--color-text);
}

/* Muted — Subtle */
.lm-badge-muted {
  background: var(--color-text-muted);
  color: var(--color-base);
  border-color: var(--color-base);
}

/* Success */
.lm-badge-success {
  background: var(--color-success);
  color: var(--color-base);
  border-color: var(--color-base);
}

/* Error */
.lm-badge-error {
  background: var(--color-error);
  color: var(--color-text);
  border-color: var(--color-text);
}

/* Warning */
.lm-badge-warning {
  background: var(--color-warning);
  color: var(--color-base);
  border-color: var(--color-base);
}

/* Info */
.lm-badge-info {
  background: var(--color-info);
  color: var(--color-text);
  border-color: var(--color-text);
}

/* Outline Variants */
.lm-badge-outline {
  background: transparent;
}

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

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

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

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

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

.lm-badge:hover {
  font-variation-settings: 'wght' 800, 'wdth' 105, 'slnt' 4;
}

/* Sizes */
.lm-badge-sm {
  font-size: 9px;
  padding: var(--space-1) var(--space-2);
  gap: var(--space-1);
}

.lm-badge-lg {
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-4);
  gap: var(--space-2);
}

/* Dot Indicator */
.lm-badge-dot {
  position: relative;
  padding-left: var(--space-6);
}

.lm-badge-dot::before {
  content: "";
  position: absolute;
  left: var(--space-2);
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  transform: translateY(-50%);
  background: currentColor;
}

.lm-badge-dot.lm-badge-success::before { background: var(--color-success); }
.lm-badge-dot.lm-badge-error::before { background: var(--color-error); }
.lm-badge-dot.lm-badge-warning::before { background: var(--color-warning); }
.lm-badge-dot.lm-badge-info::before { background: var(--color-info); }

/* Dismissible Badge */
.lm-badge-dismissible {
  padding-right: var(--space-6);
}

.lm-badge-dismiss-btn {
  position: absolute;
  right: var(--space-1);
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  font-size: 12px;
  line-height: 1;
  color: inherit;
  opacity: 0.7;
  transition: var(--transition-opacity);
}

.lm-badge-dismiss-btn:hover {
  opacity: 1;
}

.lm-badge-dismiss-btn:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 1px;
  border-radius: var(--radius-none);
}

/* Badge with Mark */
.lm-badge .lm-mark {
  font-size: 1em;
}
/* Lumina Design System — Card Component */
/* Version 0.4 */

.lm-card {
  background: var(--color-raised);
  border: var(--border-medium);
  border-radius: var(--radius-none);
  padding: var(--space-card);
  box-shadow: var(--shadow-hard);
  transition: var(--transition-shadow), var(--transition-transform);
}

.lm-card:hover {
  box-shadow: var(--shadow-hard-lg);
  transform: translate(-2px, -2px);
}

/* Accented Border */
.lm-card-accent {
  border-color: var(--color-accent);
}

.lm-card-accent:hover {
  box-shadow: var(--shadow-accent-lg);
}

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

.lm-card-interactive:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

/* Card Variants */
.lm-card-elevated {
  box-shadow: var(--elevation-3);
}

.lm-card-elevated:hover {
  box-shadow: var(--elevation-4);
}

.lm-card-flat {
  box-shadow: none;
  border: var(--border-thin);
}

.lm-card-flat:hover {
  box-shadow: var(--shadow-hard-sm);
  transform: none;
}

/* Card with Header/Footer */
.lm-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: var(--border-thin);
}

.lm-card-title {
  font-variation-settings: 'wght' 700, 'wdth' 100;
  font-size: var(--text-xl);
  line-height: var(--leading-snug);
}

.lm-card-subtitle {
  font-variation-settings: 'wght' 400, 'wdth' 100;
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

.lm-card-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: var(--border-thin);
}

/* Card Grid */
.lm-card-grid {
  display: grid;
  gap: var(--space-grid-gap);
}

.lm-card-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.lm-card-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.lm-card-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.lm-card-grid-auto { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

@media (max-width: 1024px) {
  .lm-card-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lm-card-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .lm-card-grid-2,
  .lm-card-grid-3,
  .lm-card-grid-4 { grid-template-columns: 1fr; }
}

/* Stat Card — Data Display */
.lm-stat-card {
  background: var(--color-raised);
  border: var(--border-medium);
  border-radius: var(--radius-none);
  padding: var(--space-6);
  box-shadow: var(--shadow-hard);
}

.lm-stat-card-accent {
  border-color: var(--color-accent);
}

.lm-stat-label {
  font-variation-settings: 'wght' 500, 'wdth' 100;
  font-size: var(--text-xs);
  line-height: var(--leading-normal);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.lm-stat-value {
  font-variation-settings: 'wght' 800, 'wdth' 75;
  font-size: var(--text-4xl);
  line-height: var(--leading-none);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
}

.lm-stat-change {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-variation-settings: 'wght' 600, 'wdth' 100;
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}

.lm-stat-change--positive { color: var(--color-success); }
.lm-stat-change--negative { color: var(--color-error); }
.lm-stat-change--neutral { color: var(--color-warning); }

/* Card Divider */
.lm-card-divider {
  border: none;
  border-top: var(--border-thin);
  margin: var(--space-4) calc(var(--space-card) * -1);
}
/* Lumina Design System — Input Component */
/* Version 0.4 */

.lm-input {
  width: 100%;
  font-family: var(--font);
  font-variation-settings: 'wght' 400, 'wdth' 100;
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  padding: var(--space-input-y) var(--space-input-x);
  background: var(--color-base);
  border: var(--border-thin);
  border-radius: var(--radius-none);
  color: var(--color-text);
  transition: var(--transition-colors), var(--transition-shadow);
}

.lm-input::placeholder {
  color: var(--color-text-muted);
  opacity: 1;
}

.lm-input:hover:not(:disabled):not([aria-disabled="true"]):not([aria-invalid="true"]) {
  border-color: var(--color-border-light);
}

.lm-input:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-accent-sm);
}

/* Invalid State */
.lm-input[aria-invalid="true"] {
  border-color: var(--color-error);
}

.lm-input[aria-invalid="true"]:focus-visible {
  outline-color: var(--color-error);
  box-shadow: 4px 4px 0px 0px var(--color-error);
}

.lm-input[aria-invalid="true"]::placeholder {
  color: var(--color-error);
  opacity: 0.7;
}

/* Disabled State */
.lm-input:disabled,
.lm-input[aria-disabled="true"] {
  opacity: 0.4;
  cursor: not-allowed;
  background: var(--color-subtle);
}

/* Readonly State */
.lm-input[readonly] {
  background: var(--color-overlay);
  cursor: default;
}

/* Sizes */
.lm-input-sm {
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-3);
}

.lm-input-lg {
  font-size: var(--text-lg);
  padding: var(--space-4) var(--space-5);
}

/* Input with Label */
.lm-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.lm-field-label {
  font-variation-settings: 'wght' 500, 'wdth' 100;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.lm-field-required::after {
  content: " *";
  color: var(--color-error);
}

.lm-field-hint {
  font-variation-settings: 'wght' 400, 'wdth' 100;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.lm-field-error {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-variation-settings: 'wght' 500, 'wdth' 100;
  font-size: var(--text-xs);
  color: var(--color-error);
}

.lm-field-error .lm-mark {
  font-size: 1em;
  color: var(--color-error);
}

/* Input with Icon */
.lm-input-wrapper {
  position: relative;
  display: flex;
  align-items: stretch;
}

.lm-input-wrapper .lm-input {
  flex: 1;
}

.lm-input-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-4);
  background: var(--color-subtle);
  border: var(--border-thin);
  border-right: none;
  color: var(--color-text-muted);
  border-radius: var(--radius-none) 0 0 var(--radius-none);
}

.lm-input-wrapper .lm-input-icon + .lm-input {
  border-radius: 0 var(--radius-none) var(--radius-none) 0;
}

.lm-input-icon-trailing {
  border-left: none;
  border-right: var(--border-thin);
  border-radius: 0 var(--radius-none) var(--radius-none) 0;
}

.lm-input-wrapper .lm-input + .lm-input-icon-trailing {
  border-radius: var(--radius-none) 0 0 var(--radius-none);
}

/* Textarea */
.lm-textarea {
  min-height: 120px;
  resize: vertical;
  font-family: var(--font);
  font-variation-settings: 'wght' 400, 'wdth' 100;
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  padding: var(--space-input-y) var(--space-input-x);
  background: var(--color-base);
  border: var(--border-thin);
  border-radius: var(--radius-none);
  color: var(--color-text);
  transition: var(--transition-colors), var(--transition-shadow);
}

.lm-textarea:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-accent-sm);
}

.lm-textarea[aria-invalid="true"] {
  border-color: var(--color-error);
}

.lm-textarea[aria-invalid="true"]:focus-visible {
  outline-color: var(--color-error);
  box-shadow: 4px 4px 0px 0px var(--color-error);
}

/* Select */
.lm-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23FFFFFF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 16px;
  padding-right: var(--space-10);
}

[data-theme="light"] .lm-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23000000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

.lm-select:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-accent-sm);
}

/* Search Input */
.lm-search {
  position: relative;
}

.lm-search .lm-input {
  padding-left: var(--space-10);
}

.lm-search-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

.lm-search .lm-input:focus-visible + .lm-search-icon {
  color: var(--color-accent);
}

/* Lumina Design System — Checkbox & Radio Components */
/* Version 0.4 */

/* ==========================================================================
   Checkbox
   ========================================================================== */

.lm-checkbox {
  appearance: none;
  width: 20px;
  height: 20px;
  border: var(--border-thin);
  background: var(--color-base);
  border-radius: var(--radius-none);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: var(--transition-colors), var(--transition-shadow);
}

.lm-checkbox:hover:not(:disabled):not([aria-disabled="true"]) {
  border-color: var(--color-border-light);
}

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

.lm-checkbox:checked::after {
  content: "";
  position: absolute;
  top: 1px;
  left: 6px;
  width: 5px;
  height: 10px;
  border: solid var(--color-base);
  border-width: 0 3px 3px 0;
  transform: rotate(45deg);
}

.lm-checkbox:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

.lm-checkbox:disabled,
.lm-checkbox[aria-disabled="true"] {
  opacity: 0.4;
  cursor: not-allowed;
}

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

.lm-checkbox:indeterminate::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 3px;
  background: var(--color-text);
  transform: translate(-50%, -50%);
}

/* Checkbox Sizes */
.lm-checkbox-sm {
  width: 16px;
  height: 16px;
}

.lm-checkbox-sm:checked::after {
  top: 0;
  left: 5px;
  width: 4px;
  height: 8px;
  border-width: 0 2px 2px 0;
}

.lm-checkbox-lg {
  width: 24px;
  height: 24px;
}

.lm-checkbox-lg:checked::after {
  top: 3px;
  left: 8px;
  width: 6px;
  height: 12px;
  border-width: 0 3px 3px 0;
}

/* ==========================================================================
   Radio
   ========================================================================== */

.lm-radio {
  appearance: none;
  width: 20px;
  height: 20px;
  border: var(--border-thin);
  background: var(--color-base);
  border-radius: var(--radius-radio); /* The ONE exception */
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: var(--transition-colors), var(--transition-shadow);
}

.lm-radio:hover:not(:disabled):not([aria-disabled="true"]) {
  border-color: var(--color-border-light);
}

.lm-radio:checked {
  border-color: var(--color-text);
  background: var(--color-base);
}

.lm-radio:checked::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  background: var(--color-text);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.lm-radio:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

.lm-radio:disabled,
.lm-radio[aria-disabled="true"] {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Radio Sizes */
.lm-radio-sm {
  width: 16px;
  height: 16px;
}

.lm-radio-sm:checked::after {
  width: 6px;
  height: 6px;
}

.lm-radio-lg {
  width: 24px;
  height: 24px;
}

.lm-radio-lg:checked::after {
  width: 10px;
  height: 10px;
}

/* ==========================================================================
   Field Wrapper (Label + Input)
   ========================================================================== */

.lm-field-checkbox,
.lm-field-radio {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
}

.lm-field-checkbox input,
.lm-field-radio input {
  margin: 0;
}

.lm-field-label {
  font-variation-settings: 'wght' 400, 'wdth' 100;
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  cursor: pointer;
  user-select: none;
}

.lm-field-checkbox:has(input:disabled) .lm-field-label,
.lm-field-radio:has(input:disabled) .lm-field-label,
.lm-field-checkbox:has(input[aria-disabled="true"]) .lm-field-label,
.lm-field-radio:has(input[aria-disabled="true"]) .lm-field-label {
  color: var(--color-text-muted);
  cursor: not-allowed;
}

/* Checkbox Group / Radio Group */
.lm-field-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.lm-field-group-horizontal {
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.lm-field-group-label {
  font-variation-settings: 'wght' 500, 'wdth' 100;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.lm-field-group-required::after {
  content: " *";
  color: var(--color-error);
}

.lm-field-group-hint {
  font-variation-settings: 'wght' 400, 'wdth' 100;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.lm-field-group-error {
  font-variation-settings: 'wght' 500, 'wdth' 100;
  font-size: var(--text-xs);
  color: var(--color-error);
}

/* Switch (styled checkbox) — Physical Hardware Toggle */
/*
  Design Intent:
  OFF = recessed track (inset shadow), handle sits flush — like it's pressed in.
  ON  = popped track (hard shadow), handle protrudes — like it physically clicked out.
  The handle overflows the track slightly, creating a 3D mechanical feel.
*/

.lm-switch {
  appearance: none;
  width: 48px;
  height: 28px;
  border: var(--border-medium);
  background: var(--color-base);
  border-radius: var(--radius-none);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  /* OFF: recessed — inset shadow makes the track look sunken */
  box-shadow: inset 3px 3px 0px 0px var(--color-border);
  transition: background var(--duration-fast) var(--ease-standard),
              border-color var(--duration-fast) var(--ease-standard),
              box-shadow var(--duration-fast) var(--ease-standard);
}

.lm-switch:hover:not(:disabled):not([aria-disabled="true"]) {
  border-color: var(--color-border-light);
}

.lm-switch::before {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 22px;
  height: 22px;
  background: var(--color-text);
  border: var(--border-thin);
  border-radius: var(--radius-none);
  /* OFF: handle is a clean bordered block — track's inset shadow does the work */
  box-shadow: none;
  transition: transform var(--duration-moderate) var(--ease-spring),
              background var(--duration-fast) var(--ease-standard);
}

/* ON State */
.lm-switch:checked {
  background: var(--color-accent);
  border-color: var(--color-accent);
  /* ON: track pops out — hard shadow replaces inset */
  box-shadow: var(--shadow-hard);
}

.lm-switch:checked::before {
  transform: translateX(20px);
  background: var(--color-text);
  /* ON: handle is clean — track's hard shadow communicates the popped state */
}

/* Active/Pressing — slight compression */
.lm-switch:active:not(:disabled):not([aria-disabled="true"])::before {
  transform: scale(0.95);
}

.lm-switch:checked:active:not(:disabled):not([aria-disabled="true"])::before {
  transform: translateX(20px) scale(0.95);
}

.lm-switch:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

.lm-switch:disabled,
.lm-switch[aria-disabled="true"] {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Sizes */
.lm-switch-sm {
  width: 38px;
  height: 22px;
}

.lm-switch-sm::before {
  width: 16px;
  height: 16px;
  top: 2px;
  left: 2px;
}

.lm-switch-sm:checked::before {
  transform: translateX(16px);
}

.lm-switch-sm:checked:active:not(:disabled)::before {
  transform: translateX(16px) scale(0.95);
}

.lm-switch-lg {
  width: 56px;
  height: 32px;
}

.lm-switch-lg::before {
  width: 26px;
  height: 26px;
  top: 2px;
  left: 2px;
}

.lm-switch-lg:checked::before {
  transform: translateX(24px);
}

.lm-switch-lg:checked:active:not(:disabled)::before {
  transform: translateX(24px) scale(0.95);
}

/* Lumina Design System — Toggle Component */
/* Version 0.4 */

.lm-toggle {
  appearance: none;
  width: 44px;
  height: 24px;
  border: var(--border-thin);
  border-radius: var(--radius-none);
  background: var(--color-subtle);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: var(--transition-colors), var(--transition-shadow);
}

.lm-toggle::before {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: var(--color-text);
  border: var(--border-thin);
  border-color: var(--color-border);
  border-radius: var(--radius-none);
  box-shadow: var(--shadow-hard-sm);
  transition: transform var(--duration-fast) var(--ease-standard),
              background var(--duration-fast) var(--ease-standard),
              border-color var(--duration-fast) var(--ease-standard);
}

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

.lm-toggle:checked::before {
  transform: translateX(20px);
  background: var(--color-text);
  border-color: var(--color-text);
}

.lm-toggle:hover:not(:disabled):not([aria-disabled="true"]) {
  border-color: var(--color-border-light);
}

.lm-toggle:checked:hover:not(:disabled):not([aria-disabled="true"]) {
  background: var(--color-accent-alt);
  border-color: var(--color-accent-alt);
}

.lm-toggle:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

.lm-toggle:disabled,
.lm-toggle[aria-disabled="true"] {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Toggle Sizes */
.lm-toggle-sm {
  width: 36px;
  height: 20px;
}

.lm-toggle-sm::before {
  top: 1px;
  left: 1px;
  width: 16px;
  height: 16px;
}

.lm-toggle-sm:checked::before {
  transform: translateX(16px);
}

.lm-toggle-lg {
  width: 52px;
  height: 28px;
}

.lm-toggle-lg::before {
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
}

.lm-toggle-lg:checked::before {
  transform: translateX(24px);
}

/* Toggle with Label */
.lm-toggle-group {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
}

.lm-toggle-group .lm-toggle {
  flex-shrink: 0;
}

.lm-toggle-label {
  font-family: var(--font);
  font-variation-settings: 'wght' 500, 'wdth' 100;
  font-size: var(--text-sm);
  color: var(--color-text);
  user-select: none;
}

/* Toggle — Inline Label Variant */
.lm-toggle-inline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.lm-toggle-inline .lm-toggle-label {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  font-size: var(--text-xs);
  font-variation-settings: 'wght' 700, 'wdth' 87.5;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-muted);
  transition: color var(--duration-fast) var(--ease-standard);
}

.lm-toggle-inline .lm-toggle:checked + .lm-toggle-label {
  color: var(--color-base);
}

/* Toggle — Status Colors */
.lm-toggle-success:checked {
  background: var(--color-success);
  border-color: var(--color-success);
}

.lm-toggle-success:checked::before {
  border-color: var(--color-text);
}

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

.lm-toggle-warning:checked::before {
  border-color: var(--color-base);
}

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

.lm-toggle-error:checked::before {
  border-color: var(--color-text);
}

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

.lm-toggle-info:checked::before {
  border-color: var(--color-text);
}

/* Lumina Design System — Table Component */
/* Version 0.4 */

.lm-table {
  width: 100%;
  border-collapse: collapse;
  font-variation-settings: 'wght' 400, 'wdth' 100;
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  color: var(--color-text);
}

.lm-table th,
.lm-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: var(--border-thin);
  vertical-align: middle;
}

.lm-table th {
  font-variation-settings: 'wght' 700, 'wdth' 100;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-muted);
  background: var(--color-subtle);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.lm-table td {
  background: var(--color-base);
}

.lm-table tbody tr {
  transition: var(--transition-colors);
}

.lm-table tbody tr:hover td {
  background: var(--color-overlay);
}

.lm-table tbody tr:last-child td {
  border-bottom: none;
}

/* Striped Rows */
.lm-table-striped tbody tr:nth-child(even) td {
  background: var(--color-raised);
}

.lm-table-striped tbody tr:nth-child(even):hover td {
  background: var(--color-overlay);
}

/* Bordered Cells */
.lm-table-bordered th,
.lm-table-bordered td {
  border-right: var(--border-thin);
}

.lm-table-bordered th:last-child,
.lm-table-bordered td:last-child {
  border-right: none;
}

/* Compact */
.lm-table-compact th,
.lm-table-compact td {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
}

/* Numeric Column — Monospace Data */
.lm-table-numeric td,
.lm-table-numeric th {
  font-family: var(--font-mono);
  font-variation-settings: 'wght' 600, 'wdth' 100;
  text-align: right;
  font-variant-numeric: tabular-nums lining-nums;
}

/* Sortable Headers */
.lm-table-sortable th {
  cursor: pointer;
  user-select: none;
}

.lm-table-sortable th:hover {
  color: var(--color-text);
}

.lm-table-sortable th[aria-sort="ascending"]::after,
.lm-table-sortable th[aria-sort="descending"]::after {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: var(--space-2);
  vertical-align: middle;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
}

.lm-table-sortable th[aria-sort="ascending"]::after {
  border-bottom: 6px solid var(--color-accent);
}

.lm-table-sortable th[aria-sort="descending"]::after {
  border-top: 6px solid var(--color-accent);
}

/* Row Selection */
.lm-table-selectable tbody tr {
  cursor: pointer;
}

.lm-table-selectable tbody tr[aria-selected="true"] td {
  background: var(--color-overlay);
  border-left: var(--border-thick);
}

.lm-table-selectable tbody tr[aria-selected="true"]:hover td {
  background: var(--color-subtle);
}

/* Expandable Rows */
.lm-table-expandable .lm-table-expand-trigger {
  cursor: pointer;
  user-select: none;
}

.lm-table-expandable .lm-table-expand-trigger:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

.lm-table-expandable .lm-table-expand-row {
  display: none;
}

.lm-table-expandable .lm-table-expand-row[aria-hidden="false"] {
  display: table-row;
  animation: lm-slide-down var(--duration-fast) var(--ease-standard);
}

.lm-table-expandable .lm-table-expand-content {
  padding: var(--space-6);
  background: var(--color-raised);
  border-top: var(--border-thin);
}

/* Responsive — Horizontal Scroll */
.lm-table-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.lm-table-wrapper .lm-table {
  min-width: 600px;
}

/* Table Caption */
.lm-table caption {
  font-variation-settings: 'wght' 600, 'wdth' 100;
  font-size: var(--text-lg);
  text-align: left;
  padding: var(--space-4) 0;
  color: var(--color-text);
}

/* Loading State */
.lm-table-loading tbody {
  opacity: 0.5;
  pointer-events: none;
}

.lm-table-loading .lm-table-skeleton {
  animation: lm-pulse var(--duration-slow) var(--ease-standard) infinite;
}

.lm-table-skeleton td {
  background: var(--color-subtle);
}

/* Empty State */
.lm-table-empty td {
  text-align: center;
  padding: var(--space-12) var(--space-4);
  color: var(--color-text-muted);
}

/* Table Footer */
.lm-table tfoot th,
.lm-table tfoot td {
  border-top: var(--border-medium);
  border-bottom: none;
  font-variation-settings: 'wght' 600, 'wdth' 100;
  background: var(--color-subtle);
}
/* Lumina Design System — Tooltip Component */
/* Version 0.4 */

.lm-tooltip {
  position: relative;
  display: inline-flex;
}

.lm-tooltip-trigger {
  cursor: help;
}

.lm-tooltip-content {
  position: absolute;
  bottom: calc(100% + var(--space-2));
  left: 50%;
  transform: translateX(-50%) scale(0.95);
  z-index: var(--z-tooltip);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-variation-settings: 'wght' 400, 'wdth' 100;
  font-size: var(--text-xs);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background: var(--color-base);
  border: var(--border-thin);
  border-radius: var(--radius-none);
  box-shadow: var(--shadow-hard);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--duration-fast) var(--ease-standard),
              transform var(--duration-fast) var(--ease-spring),
              visibility var(--duration-fast) var(--ease-standard);
}

.lm-tooltip-content::before {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 6px solid var(--color-text);
}

.lm-tooltip:hover .lm-tooltip-content,
.lm-tooltip:focus-within .lm-tooltip-content,
.lm-tooltip[data-open="true"] .lm-tooltip-content {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) scale(1);
  pointer-events: auto;
}

/* Tooltip Positions */
.lm-tooltip-top .lm-tooltip-content {
  bottom: calc(100% + var(--space-2));
  top: auto;
  transform: translateX(-50%) scale(0.95);
}

.lm-tooltip-top .lm-tooltip-content::before {
  top: auto;
  bottom: 100%;
  border-top: none;
  border-bottom: 6px solid var(--color-text);
}

.lm-tooltip-top:hover .lm-tooltip-content,
.lm-tooltip-top:focus-within .lm-tooltip-content,
.lm-tooltip-top[data-open="true"] .lm-tooltip-content {
  transform: translateX(-50%) scale(1);
}

.lm-tooltip-bottom .lm-tooltip-content {
  top: calc(100% + var(--space-2));
  bottom: auto;
  transform: translateX(-50%) scale(0.95);
}

.lm-tooltip-bottom .lm-tooltip-content::before {
  top: -6px;
  border-top: none;
  border-bottom: 6px solid var(--color-text);
}

.lm-tooltip-bottom:hover .lm-tooltip-content,
.lm-tooltip-bottom:focus-within .lm-tooltip-content,
.lm-tooltip-bottom[data-open="true"] .lm-tooltip-content {
  transform: translateX(-50%) scale(1);
}

.lm-tooltip-left .lm-tooltip-content {
  left: calc(100% + var(--space-2));
  right: auto;
  top: 50%;
  bottom: auto;
  transform: translateY(-50%) scale(0.95);
}

.lm-tooltip-left .lm-tooltip-content::before {
  left: -6px;
  top: 50%;
  border-left: none;
  border-right: 6px solid var(--color-text);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}

.lm-tooltip-left:hover .lm-tooltip-content,
.lm-tooltip-left:focus-within .lm-tooltip-content,
.lm-tooltip-left[data-open="true"] .lm-tooltip-content {
  transform: translateY(-50%) scale(1);
}

.lm-tooltip-right .lm-tooltip-content {
  right: calc(100% + var(--space-2));
  left: auto;
  top: 50%;
  bottom: auto;
  transform: translateY(-50%) scale(0.95);
}

.lm-tooltip-right .lm-tooltip-content::before {
  right: -6px;
  left: auto;
  top: 50%;
  border-right: none;
  border-left: 6px solid var(--color-text);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}

.lm-tooltip-right:hover .lm-tooltip-content,
.lm-tooltip-right:focus-within .lm-tooltip-content,
.lm-tooltip-right[data-open="true"] .lm-tooltip-content {
  transform: translateY(-50%) scale(1);
}

/* Tooltip with Interactive Content */
.lm-tooltip-interactive .lm-tooltip-content {
  pointer-events: none;
}

.lm-tooltip-interactive:hover .lm-tooltip-content,
.lm-tooltip-interactive:focus-within .lm-tooltip-content {
  pointer-events: auto;
}

/* Tooltip Variants */
.lm-tooltip-accent .lm-tooltip-content {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-accent);
}

.lm-tooltip-accent .lm-tooltip-content::before {
  border-top-color: var(--color-accent);
}

/* Tooltip Delay */
.lm-tooltip-delay .lm-tooltip-content {
  transition-delay: var(--duration-normal);
}

.lm-tooltip-delay:hover .lm-tooltip-content,
.lm-tooltip-delay:focus-within .lm-tooltip-content {
  transition-delay: 0ms;
}

/* Lumina Design System — Dropdown Component */
/* Version 0.4 */

.lm-dropdown {
  position: relative;
  display: inline-flex;
}

.lm-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.lm-dropdown-menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  z-index: var(--z-dropdown);
  min-width: 200px;
  background: var(--color-raised);
  border: var(--border-medium);
  border-radius: var(--radius-none);
  box-shadow: var(--shadow-hard);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(0.98);
  transition: opacity var(--duration-fast) var(--ease-standard),
              transform var(--duration-fast) var(--ease-standard),
              visibility var(--duration-fast) var(--ease-standard);
  overflow: hidden;
}

.lm-dropdown:hover .lm-dropdown-menu,
.lm-dropdown:focus-within .lm-dropdown-menu,
.lm-dropdown[data-open="true"] .lm-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.lm-dropdown-menu::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 16px;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 6px solid var(--color-text);
}

.lm-dropdown-menu-right {
  left: auto;
  right: 0;
}

.lm-dropdown-menu-right::before {
  left: auto;
  right: 16px;
}

.lm-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-variation-settings: 'wght' 400, 'wdth' 100;
  font-size: var(--text-sm);
  color: var(--color-text);
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: var(--transition-colors);
}

.lm-dropdown-item:hover,
.lm-dropdown-item:focus-visible {
  background: var(--color-overlay);
  color: var(--color-text);
  outline: none;
}

.lm-dropdown-item:focus-visible {
  outline: var(--focus-ring);
  outline-offset: -2px;
}

.lm-dropdown-item--danger {
  color: var(--color-error);
}

.lm-dropdown-item--danger:hover,
.lm-dropdown-item--danger:focus-visible {
  background: var(--color-error);
  color: var(--color-text);
}

.lm-dropdown-divider {
  border: none;
  border-top: var(--border-thin);
  margin: var(--space-2) 0;
}

.lm-dropdown-header {
  padding: var(--space-3) var(--space-4);
  font-variation-settings: 'wght' 700, 'wdth' 100;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-muted);
  background: var(--color-subtle);
  border-bottom: var(--border-thin);
}

.lm-dropdown-footer {
  padding: var(--space-2) var(--space-4);
  border-top: var(--border-thin);
  background: var(--color-subtle);
}

.lm-dropdown-checkbox,
.lm-dropdown-radio {
  padding: var(--space-2) var(--space-4);
}

.lm-dropdown-checkbox .lm-field-checkbox,
.lm-dropdown-radio .lm-field-radio {
  width: 100%;
  margin: 0;
}

/* Dropdown with Search */
.lm-dropdown-search {
  padding: var(--space-3);
  border-bottom: var(--border-thin);
}

.lm-dropdown-search .lm-input {
  width: 100%;
}

/* Keyboard Navigation */
.lm-dropdown-menu:focus-within .lm-dropdown-item:focus-visible {
  background: var(--color-overlay);
}
/* Lumina Design System — Tabs Component */
/* Version 0.4 */

.lm-tabs {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.lm-tabs-list {
  display: flex;
  gap: var(--space-1);
  border-bottom: var(--border-thin);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.lm-tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-variation-settings: 'wght' 600, 'wdth' 100;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  border-bottom: var(--border-width-thick) solid transparent;
  cursor: pointer;
  transition: var(--transition-colors), var(--transition-transform);
  white-space: nowrap;
  margin-bottom: calc(var(--border-width-thin) * -1);
}

.lm-tab:hover:not([aria-selected="true"]) {
  color: var(--color-text);
}

.lm-tab:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
  z-index: 1;
}

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

/* Accent Line Animation */
.lm-tab[aria-selected="true"]::after {
  content: "";
  position: absolute;
  bottom: calc(var(--border-width-thin) * -1);
  left: 0;
  right: 0;
  height: var(--border-width-thick);
  background: var(--color-accent);
  animation: lm-scale-in var(--duration-moderate) var(--ease-spring);
}

/* Tab Panels */
.lm-tab-panel {
  display: none;
  animation: lm-fade-in var(--duration-normal) var(--ease-standard);
}

.lm-tab-panel[aria-hidden="false"] {
  display: block;
}

/* Vertical Tabs */
.lm-tabs-vertical {
  flex-direction: row;
  gap: 0;
}

.lm-tabs-vertical .lm-tabs-list {
  flex-direction: column;
  border-bottom: none;
  border-right: var(--border-thin);
  min-width: 180px;
}

.lm-tabs-vertical .lm-tab {
  border-bottom: none;
  border-right: var(--border-width-thick) solid transparent;
  margin-bottom: 0;
  margin-right: calc(var(--border-width-thin) * -1);
  border-radius: var(--radius-none) 0 0 var(--radius-none);
}

.lm-tabs-vertical .lm-tab[aria-selected="true"] {
  border-right-color: var(--color-accent);
  background: var(--color-raised);
}

.lm-tabs-vertical .lm-tab[aria-selected="true"]::after {
  bottom: auto;
  top: 0;
  left: auto;
  right: calc(var(--border-width-thin) * -1);
  width: var(--border-width-thick);
  height: 100%;
}

/* Tab with Badge */
.lm-tab .lm-badge {
  font-size: 9px;
  padding: var(--space-1) var(--space-2);
}

/* Tab with Icon */
.lm-tab .lm-mark {
  font-size: 1.25em;
}

/* Disabled Tab */
.lm-tab[aria-disabled="true"] {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Keyboard Navigation */
.lm-tabs-list[role="tablist"] {
  /* Arrow key navigation handled by JS */
}
/* Lumina Design System — Modal Component */
/* Version 0.4 */

.lm-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal-backdrop);
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-standard),
              visibility var(--duration-normal) var(--ease-standard);
}

.lm-modal-overlay[data-open="true"] {
  opacity: 1;
  visibility: visible;
}

.lm-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: var(--z-modal);
  width: 90%;
  max-width: 560px;
  max-height: 85vh;
  transform: translate(-50%, -50%) scale(0.95);
  background: var(--color-raised);
  border: var(--border-medium);
  border-radius: var(--radius-none);
  box-shadow: var(--shadow-hard-lg);
  opacity: 0;
  visibility: hidden;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: opacity var(--duration-moderate) var(--ease-standard),
              transform var(--duration-moderate) var(--ease-standard),
              visibility var(--duration-moderate) var(--ease-standard);
}

.lm-modal[data-open="true"] {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.lm-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6);
  border-bottom: var(--border-thin);
  background: var(--color-subtle);
}

.lm-modal-title {
  font-variation-settings: 'wght' 700, 'wdth' 100;
  font-size: var(--text-xl);
  line-height: var(--leading-snug);
  color: var(--color-text);
}

.lm-modal-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 20px;
  line-height: 1;
  color: var(--color-text-muted);
  background: transparent;
  border: var(--border-thin);
  border-radius: var(--radius-none);
  cursor: pointer;
  transition: var(--transition-colors), var(--transition-transform);
  flex-shrink: 0;
}

.lm-modal-close:hover {
  color: var(--color-error);
  border-color: var(--color-error);
  background: var(--color-base);
  transform: rotate(90deg);
}

.lm-modal-close:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 2px;
}

.lm-modal-body {
  flex: 1;
  padding: var(--space-6);
  overflow-y: auto;
}

.lm-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: var(--border-thin);
  background: var(--color-subtle);
}

/* Modal Sizes */
.lm-modal-sm { max-width: 360px; }
.lm-modal-lg { max-width: 720px; }
.lm-modal-xl { max-width: 960px; }
.lm-modal-full {
  width: 95%;
  max-width: none;
  height: 90vh;
  max-height: 90vh;
}

/* Modal Variants */
.lm-modal-accent {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-accent-lg);
}

.lm-modal-danger {
  border-color: var(--color-error);
  box-shadow: 8px 8px 0px 0px var(--color-error);
}

/* Drawer (Side Modal) */
.lm-drawer {
  position: fixed;
  top: 0;
  z-index: var(--z-modal);
  height: 100vh;
  max-height: 100vh;
  background: var(--color-raised);
  border: var(--border-medium);
  border-radius: var(--radius-none);
  box-shadow: var(--shadow-hard-lg);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--duration-moderate) var(--ease-spring);
}

.lm-drawer[data-open="true"] {
  transform: translateX(0);
}

.lm-drawer-left {
  left: 0;
  right: auto;
  border-right: var(--border-medium);
  border-left: none;
  transform: translateX(-100%);
}

.lm-drawer-left[data-open="true"] {
  transform: translateX(0);
}

.lm-drawer-right {
  right: 0;
  left: auto;
  border-left: var(--border-medium);
  border-right: none;
}

/* Drawer Sizes */
.lm-drawer-sm { width: 320px; max-width: 85vw; }
.lm-drawer-md { width: 480px; max-width: 85vw; }
.lm-drawer-lg { width: 640px; max-width: 85vw; }
.lm-drawer-full { width: 100%; max-width: 100%; }

/* Alert Dialog (Simplified Modal) */
.lm-alert {
  max-width: 400px;
}

.lm-alert .lm-modal-body {
  text-align: center;
}

.lm-alert .lm-modal-footer {
  justify-content: center;
}

/* Confirm Dialog */
.lm-confirm .lm-modal-body {
  text-align: center;
}

/* Focus Trap — Handled by JS, but styles for focus visible */
.lm-modal:focus-within {
  /* Focus trap handled by JavaScript */
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .lm-modal-overlay,
  .lm-modal,
  .lm-drawer {
    transition: none;
  }
}
/* Lumina Design System — Toast Component */
/* Version 0.4 */

.lm-toaster {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toaster);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  pointer-events: none;
  max-width: 400px;
}

.lm-toaster-top {
  top: var(--space-6);
  bottom: auto;
}

.lm-toaster-left {
  left: var(--space-6);
  right: auto;
}

.lm-toaster-center {
  left: 50%;
  right: auto;
  transform: translateX(-50%);
  align-items: center;
}

.lm-toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  min-width: 280px;
  max-width: 100%;
  background: var(--color-raised);
  border: var(--border-medium);
  border-radius: var(--radius-none);
  box-shadow: var(--shadow-hard);
  pointer-events: auto;
  animation: lm-slide-up var(--duration-moderate) var(--ease-spring);
  position: relative;
  overflow: hidden;
}

.lm-toast::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: var(--color-accent);
}

.lm-toast-success::before { background: var(--color-success); }
.lm-toast-error::before { background: var(--color-error); }
.lm-toast-warning::before { background: var(--color-warning); }
.lm-toast-info::before { background: var(--color-info); }

.lm-toast-content {
  flex: 1;
  min-width: 0;
}

.lm-toast-title {
  font-variation-settings: 'wght' 600, 'wdth' 100;
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.lm-toast-message {
  font-variation-settings: 'wght' 400, 'wdth' 100;
  font-size: var(--text-xs);
  line-height: var(--leading-normal);
  color: var(--color-text-secondary);
}

.lm-toast-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  font-size: 16px;
  line-height: 1;
  color: var(--color-text-muted);
  background: transparent;
  border: var(--border-thin);
  border-radius: var(--radius-none);
  cursor: pointer;
  transition: var(--transition-colors), var(--transition-transform);
  flex-shrink: 0;
}

.lm-toast-close:hover {
  color: var(--color-error);
  border-color: var(--color-error);
  transform: rotate(90deg);
}

.lm-toast-close:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 2px;
}

/* Toast with Action */
.lm-toast-action {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: var(--border-thin);
}

.lm-toast-action .lm-btn {
  font-size: var(--text-xs);
  padding: var(--space-2) var(--space-3);
}

/* Toast Progress Bar (Auto-dismiss) */
.lm-toast-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--color-accent);
  transform-origin: left;
  animation: lm-toast-progress var(--duration-slower) linear forwards;
}

.lm-toast-success .lm-toast-progress { background: var(--color-success); }
.lm-toast-error .lm-toast-progress { background: var(--color-error); }
.lm-toast-warning .lm-toast-progress { background: var(--color-warning); }
.lm-toast-info .lm-toast-progress { background: var(--color-info); }

@keyframes lm-toast-progress {
  from { transform: scaleX(1); }
  to { transform: scaleX(0); }
}

/* Toast Exit Animation */
.lm-toast-exiting {
  animation: lm-slide-right var(--duration-fast) var(--ease-exit) forwards;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .lm-toast,
  .lm-toast-progress,
  .lm-toast-exiting {
    animation: none;
  }
  .lm-toast-exiting {
    opacity: 0;
  }
}

/* Mobile Adjustments */
@media (max-width: 480px) {
  .lm-toaster {
    left: var(--space-4);
    right: var(--space-4);
    bottom: var(--space-4);
    max-width: none;
  }
  .lm-toast {
    min-width: 0;
  }
}
/* Lumina Design System — Avatar Component */
/* Version 0.5 */

.lm-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border: var(--border-medium);
  background: var(--color-raised);
  color: var(--color-text);
  font-variation-settings: 'wght' 700, 'wdth' 100;
  font-size: var(--text-sm);
  text-transform: uppercase;
  line-height: 1;
  overflow: hidden;
  box-shadow: var(--shadow-hard-sm);
}

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

/* Sizes */
.lm-avatar-xs { width: 24px; height: 24px; font-size: var(--text-xs); }
.lm-avatar-sm { width: 32px; height: 32px; font-size: var(--text-xs); }
.lm-avatar-md { width: 40px; height: 40px; }
.lm-avatar-lg { width: 56px; height: 56px; font-size: var(--text-lg); }
.lm-avatar-xl { width: 72px; height: 72px; font-size: var(--text-xl); }
.lm-avatar-2xl { width: 96px; height: 96px; font-size: var(--text-2xl); }

/* Status Indicator */
.lm-avatar-status {
  position: relative;
}

.lm-avatar-status::after {
  content: "";
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 12px;
  height: 12px;
  border: var(--border-medium);
  background: var(--color-success);
  box-shadow: var(--shadow-hard-sm);
}

.lm-avatar-status[data-status="away"]::after { background: var(--color-warning); }
.lm-avatar-status[data-status="busy"]::after { background: var(--color-error); }
.lm-avatar-status[data-status="offline"]::after { background: var(--color-text-muted); }

/* Avatar Group (Stacked) */
.lm-avatar-group {
  display: inline-flex;
  flex-direction: row-reverse;
}

.lm-avatar-group .lm-avatar {
  margin-left: -8px;
  transition: var(--transition-transform);
}

.lm-avatar-group .lm-avatar:hover {
  transform: translateY(-4px);
  z-index: 1;
}

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

/* Avatar with initials fallback */
.lm-avatar-initials {
  font-variation-settings: 'wght' 800, 'wdth' 100;
}

/* Responsive — scale down on mobile */
@media (max-width: 640px) {
  .lm-avatar-group .lm-avatar {
    margin-left: -6px;
  }
  .lm-avatar-xl { width: 56px; height: 56px; font-size: var(--text-lg); }
  .lm-avatar-2xl { width: 72px; height: 72px; font-size: var(--text-xl); }
}
/* Lumina Design System — Progress Component */
/* Version 0.5 */

/* ==========================================================================
   Progress Bar
   ========================================================================== */

.lm-progress {
  width: 100%;
  height: 12px;
  background: var(--color-base);
  border: var(--border-medium);
  box-shadow: var(--shadow-hard-sm);
  overflow: hidden;
  position: relative;
}

.lm-progress-bar {
  height: 100%;
  background: var(--color-accent);
  transition: width var(--duration-moderate) var(--ease-standard);
  position: relative;
}

/* Indeterminate */
.lm-progress-indeterminate .lm-progress-bar {
  width: 40%;
  animation: lm-progress-indeterminate 1.5s var(--ease-standard) infinite;
}

@keyframes lm-progress-indeterminate {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* Striped variant */
.lm-progress-striped .lm-progress-bar {
  background: repeating-linear-gradient(
    -45deg,
    var(--color-accent),
    var(--color-accent) 8px,
    var(--color-accent-alt) 8px,
    var(--color-accent-alt) 16px
  );
}

.lm-progress-indeterminate.lm-progress-striped .lm-progress-bar {
  animation: lm-progress-indeterminate 1.5s var(--ease-standard) infinite,
             lm-progress-stripes 0.6s linear infinite;
}

@keyframes lm-progress-stripes {
  0% { background-position: 0 0; }
  100% { background-position: 22px 0; }
}

/* Sizes */
.lm-progress-sm { height: 8px; }
.lm-progress-lg { height: 16px; }
.lm-progress-xl { height: 24px; }

/* Variants */
.lm-progress-success .lm-progress-bar { background: var(--color-success); }
.lm-progress-error .lm-progress-bar { background: var(--color-error); }
.lm-progress-warning .lm-progress-bar { background: var(--color-warning); }
.lm-progress-info .lm-progress-bar { background: var(--color-info); }

/* Label */
.lm-progress-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
  font-variation-settings: 'wght' 400, 'wdth' 100;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ==========================================================================
   Progress Steps (Stepper)
   ========================================================================== */
.lm-stepper {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
}
.lm-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  min-width: 0;
  gap: var(--space-1);
}
.lm-step-marker {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border: var(--border-medium);
  background: var(--color-base);
  font-family: var(--font-mono);
  font-variation-settings: 'wght' 700, 'wdth' 100;
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums lining-nums;
  box-shadow: var(--shadow-hard-sm);
  transition: var(--transition-colors);
}
.lm-step-active .lm-step-marker {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text);
}
.lm-step-complete .lm-step-marker {
  background: var(--color-success);
  border-color: var(--color-success);
  color: var(--color-text);
}
.lm-step-connector {
  flex-grow: 1;
  height: 4px;
  background: var(--color-border);
  transition: var(--transition-colors);
}
.lm-step-complete .lm-step-connector {
  background: var(--color-success);
}
.lm-step:last-child .lm-step-connector {
  display: none;
}
.lm-step-label {
  width: 100%;
  text-align: center;
  font-variation-settings: 'wght' 400, 'wdth' 100;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
  white-space: nowrap;
}
.lm-step-active .lm-step-label {
  color: var(--color-text);
  font-variation-settings: 'wght' 700, 'wdth' 100;
}
.lm-step-complete .lm-step-label {
  color: var(--color-text-secondary);
}
/* Responsive */
@media (max-width: 640px) {
  .lm-step-label { display: none; }
  .lm-step-marker { width: 28px; height: 28px; font-size: var(--text-xs); }
}
/* Lumina Design System — Range Component */
/* Version 0.4 */
.lm-range-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: 280px; /* fixed width, not 100% */
}

.lm-range-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.lm-range-label {
  font-variation-settings: 'wght' 500, 'wdth' 100;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.lm-range-value {
  font-variation-settings: 'wght' 600, 'wdth' 100;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
}

/* Wrapper for track + progress fill + step markers */
.lm-range-wrapper {
  position: relative;
  width: 100%;
  height: 24px; /* taller hit area */
}

.lm-range-track {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 8px;
  transform: translateY(-50%);
  background: var(--color-border);
  border-radius: var(--radius-none);
  pointer-events: none;
}

.lm-range-progress {
  position: absolute;
  top: 50%;
  left: 0;
  height: 8px;
  transform: translateY(-50%);
  background: var(--color-accent);
  border-radius: var(--radius-none);
  pointer-events: none;
  transition: width var(--duration-fast) var(--ease-spring);
  width: var(--progress, 0%);
}

.lm-range-steps {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 8px;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  pointer-events: none;
}

.lm-range-step {
  width: 2px;
  height: 12px;
  background: var(--color-border-light);
  border-radius: var(--radius-none);
  margin-top: -2px; /* center on track */
}

.lm-range-step:first-child,
.lm-range-step:last-child {
  background: var(--color-text-muted);
  width: 3px;
  height: 16px;
  margin-top: -4px;
}

.lm-range {
  -webkit-appearance: none;
  appearance: none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 24px;
  background: transparent;
  border: none;
  outline: none;
  cursor: pointer;
  z-index: 1;
  padding: 0;
  margin: 0;
}

/* Track - hide native */
.lm-range::-webkit-slider-runnable-track {
  height: 8px;
  background: transparent;
  border-radius: var(--radius-none);
}
.lm-range::-moz-range-track {
  height: 8px;
  background: transparent;
  border-radius: var(--radius-none);
}

/* Thumb */
.lm-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  background: var(--color-accent);
  border: 4px solid var(--color-base);
  border-radius: var(--radius-none);
  box-shadow: var(--shadow-hard);
  margin-top: -8px;
  transition: var(--transition-colors), var(--transition-shadow), transform var(--duration-fast) var(--ease-spring);
  position: relative;
  z-index: 2;
}
.lm-range::-moz-range-thumb {
  width: 24px;
  height: 24px;
  background: var(--color-accent);
  border: 4px solid var(--color-base);
  border-radius: var(--radius-none);
  box-shadow: var(--shadow-hard);
  transition: var(--transition-colors), var(--transition-shadow), transform var(--duration-fast) var(--ease-spring);
  position: relative;
  z-index: 2;
}

/* Hover */
.lm-range:hover:not(:disabled):not([aria-disabled="true"])::-webkit-slider-thumb {
  background: var(--color-accent-hover);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard-lg);
}
.lm-range:hover:not(:disabled):not([aria-disabled="true"])::-moz-range-thumb {
  background: var(--color-accent-hover);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard-lg);
}

/* Active (dragging) */
.lm-range:active::-webkit-slider-thumb {
  transform: translate(2px, 2px);
  box-shadow: none;
}
.lm-range:active::-moz-range-thumb {
  transform: translate(2px, 2px);
  box-shadow: none;
}

/* Focus */
.lm-range:focus-visible {
  outline: none;
}
.lm-range:focus-visible::-webkit-slider-thumb {
  outline: var(--focus-ring);
  outline-offset: 4px;
}
.lm-range:focus-visible::-moz-range-thumb {
  outline: var(--focus-ring);
  outline-offset: 4px;
}

/* Disabled */
.lm-range:disabled,
.lm-range[aria-disabled="true"] {
  opacity: 0.4;
  cursor: not-allowed;
}
.lm-range:disabled::-webkit-slider-thumb,
.lm-range[aria-disabled="true"]::-webkit-slider-thumb {
  background: var(--color-text-muted);
  box-shadow: none;
}
.lm-range:disabled::-moz-range-thumb,
.lm-range[aria-disabled="true"]::-moz-range-thumb {
  background: var(--color-text-muted);
  box-shadow: none;
}

/* Error state */
.lm-range[aria-invalid="true"]::-webkit-slider-thumb {
  background: var(--color-error);
  box-shadow: var(--shadow-hard), 4px 4px 0px 0px var(--color-error);
}
.lm-range[aria-invalid="true"]::-moz-range-thumb {
  background: var(--color-error);
  box-shadow: var(--shadow-hard), 4px 4px 0px 0px var(--color-error);
}

/* Sizes */
.lm-range-sm .lm-range {
  height: 20px;
}
.lm-range-sm .lm-range-track,
.lm-range-sm .lm-range-progress {
  height: 6px;
}
.lm-range-sm .lm-range::-webkit-slider-thumb {
  width: 20px;
  height: 20px;
  margin-top: -7px;
}
.lm-range-sm .lm-range::-moz-range-thumb {
  width: 20px;
  height: 20px;
}
.lm-range-sm .lm-range-step {
  height: 10px;
  margin-top: -1px;
}
.lm-range-sm .lm-range-step:first-child,
.lm-range-sm .lm-range-step:last-child {
  height: 14px;
  margin-top: -3px;
}

.lm-range-lg .lm-range {
  height: 28px;
}
.lm-range-lg .lm-range-track,
.lm-range-lg .lm-range-progress {
  height: 10px;
}
.lm-range-lg .lm-range::-webkit-slider-thumb {
  width: 28px;
  height: 28px;
  margin-top: -9px;
}
.lm-range-lg .lm-range::-moz-range-thumb {
  width: 28px;
  height: 28px;
}
.lm-range-lg .lm-range-step {
  height: 14px;
  margin-top: -3px;
}
.lm-range-lg .lm-range-step:first-child,
.lm-range-lg .lm-range-step:last-child {
  height: 18px;
  margin-top: -5px;
}
/* Lumina Design System — Skeleton Component */
/* Version 0.5 */

.lm-skeleton {
  display: block;
  width: 100%;
  height: 16px;
  background: var(--color-subtle);
  animation: lm-skeleton-pulse 1.8s var(--ease-standard) infinite;
  position: relative;
  overflow: hidden;
}

.lm-skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-overlay) 40%,
    var(--color-overlay) 60%,
    transparent 100%
  );
  animation: lm-skeleton-shimmer 1.8s var(--ease-standard) infinite;
}

@keyframes lm-skeleton-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes lm-skeleton-shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Shapes */
.lm-skeleton-circle {
  border-radius: 50%;
  aspect-ratio: 1;
  height: auto;
}

.lm-skeleton-rect {
  border-radius: 0;
}

/* Sizes */
.lm-skeleton-xs { height: 8px; }
.lm-skeleton-sm { height: 12px; }
.lm-skeleton-md { height: 16px; }
.lm-skeleton-lg { height: 24px; }
.lm-skeleton-xl { height: 32px; }
.lm-skeleton-2xl { height: 48px; }

/* Widths */
.lm-skeleton-w-25 { width: 25%; }
.lm-skeleton-w-50 { width: 50%; }
.lm-skeleton-w-75 { width: 75%; }
.lm-skeleton-w-100 { width: 100%; }

/* Skeleton Card (Composition) */
.lm-skeleton-card {
  padding: var(--space-6);
  border: var(--border-medium);
  background: var(--color-raised);
  box-shadow: var(--shadow-hard);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.lm-skeleton-card .lm-skeleton:first-child {
  height: 200px;
}

.lm-skeleton-card .lm-skeleton:last-child {
  width: 40%;
  height: 40px;
}

/* Skeleton Avatar + Text Row */
.lm-skeleton-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.lm-skeleton-row .lm-skeleton-circle {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.lm-skeleton-row .lm-skeleton:last-child {
  flex: 1;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .lm-skeleton,
  .lm-skeleton::after {
    animation: none;
    opacity: 0.6;
  }
}
/* Lumina Design System — Breadcrumb Component */
/* Version 0.5 */

.lm-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0;
}

.lm-breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-variation-settings: 'wght' 400, 'wdth' 100;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.lm-breadcrumb-item a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: var(--transition-colors);
}

.lm-breadcrumb-item a:hover {
  color: var(--color-accent);
}

.lm-breadcrumb-item:last-child {
  font-variation-settings: 'wght' 700, 'wdth' 100;
  color: var(--color-text);
}

.lm-breadcrumb-item:last-child a {
  color: var(--color-text);
  pointer-events: none;
}

/* Separator */
.lm-breadcrumb-separator {
  color: var(--color-border);
  font-variation-settings: 'wght' 400, 'wdth' 100;
  user-select: none;
}

/* Collapsed (mobile) */
.lm-breadcrumb-collapsed .lm-breadcrumb-item:nth-child(n+2):not(:nth-last-child(-n+2)) {
  display: none;
}

.lm-breadcrumb-collapsed .lm-breadcrumb-item:nth-child(2) {
  display: inline-flex;
}

.lm-breadcrumb-collapsed .lm-breadcrumb-item:nth-child(2) .lm-breadcrumb-separator::after {
  content: "…";
  color: var(--color-text-muted);
  font-variation-settings: 'wght' 700, 'wdth' 100;
  padding: 0 var(--space-1);
}

/* Responsive */
@media (max-width: 640px) {
  .lm-breadcrumb {
    font-size: var(--text-xs);
  }
}
/* Lumina Design System — Pagination Component */
/* Version 0.5 */

.lm-pagination {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0;
}

.lm-pagination-item {
  display: inline-flex;
}

.lm-pagination-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-3);
  font-family: var(--font-mono);
  font-variation-settings: 'wght' 600, 'wdth' 100;
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums lining-nums;
  color: var(--color-text);
  background: var(--color-base);
  border: var(--border-medium);
  box-shadow: var(--shadow-hard-sm);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-transform), var(--transition-shadow);
  user-select: none;
}

.lm-pagination-link:hover:not(.lm-pagination-active):not(:disabled) {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.lm-pagination-link:active:not(.lm-pagination-active):not(:disabled) {
  transform: translate(4px, 4px);
  box-shadow: none;
}

.lm-pagination-link:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

.lm-pagination-active {
  background: var(--color-accent);
  color: var(--color-text);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-accent);
  transform: none;
  cursor: default;
}

.lm-pagination-active:hover {
  transform: none;
  box-shadow: var(--shadow-accent);
}

.lm-pagination-disabled {
  opacity: 0.3;
  cursor: not-allowed;
  box-shadow: none;
}

.lm-pagination-disabled:hover {
  transform: none;
  box-shadow: none;
}

/* Ellipsis */
.lm-pagination-ellipsis {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  font-family: var(--font-mono);
  font-variation-settings: 'wght' 600, 'wdth' 100;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  user-select: none;
}

/* Sizes */
.lm-pagination-sm .lm-pagination-link,
.lm-pagination-sm .lm-pagination-ellipsis {
  min-width: 32px;
  height: 32px;
  font-size: var(--text-xs);
  padding: 0 var(--space-2);
}

.lm-pagination-lg .lm-pagination-link,
.lm-pagination-lg .lm-pagination-ellipsis {
  min-width: 48px;
  height: 48px;
  font-size: var(--text-base);
  padding: 0 var(--space-4);
}

/* Responsive — collapse on mobile */
@media (max-width: 480px) {
  .lm-pagination-item:not(:first-child):not(:last-child):not(.lm-pagination-active) {
    display: none;
  }
  .lm-pagination-active::before {
    content: "Page ";
    font-variation-settings: 'wght' 400, 'wdth' 100;
    color: var(--color-text-secondary);
  }
}
/* Lumina Design System — Alert Component */
/* Version 0.5 */

.lm-alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border: var(--border-medium);
  background: var(--color-raised);
  box-shadow: var(--shadow-hard);
  font-variation-settings: 'wght' 400, 'wdth' 100;
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  position: relative;
}

.lm-alert-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-variation-settings: 'wght' 800, 'wdth' 100;
  font-size: var(--text-lg);
  line-height: 1;
  margin-top: 1px;
}

.lm-alert-content {
  flex: 1;
  min-width: 0;
}

.lm-alert-title {
  font-variation-settings: 'wght' 700, 'wdth' 100;
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}

.lm-alert-description {
  color: var(--color-text-secondary);
}

.lm-alert-dismiss {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border: var(--border-thin);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition-colors);
  font-variation-settings: 'wght' 700, 'wdth' 100;
  font-size: var(--text-lg);
  line-height: 1;
  padding: 0;
}

.lm-alert-dismiss:hover {
  background: var(--color-overlay);
}

/* Variants */
.lm-alert-info {
  border-color: var(--color-info);
  box-shadow: 6px 6px 0px 0px var(--color-info);
}

.lm-alert-info .lm-alert-icon { color: var(--color-info); }

.lm-alert-success {
  border-color: var(--color-success);
  box-shadow: 6px 6px 0px 0px var(--color-success);
}

.lm-alert-success .lm-alert-icon { color: var(--color-success); }

.lm-alert-warning {
  border-color: var(--color-warning);
  box-shadow: 6px 6px 0px 0px var(--color-warning);
}

.lm-alert-warning .lm-alert-icon { color: var(--color-warning); }

.lm-alert-error {
  border-color: var(--color-error);
  box-shadow: 6px 6px 0px 0px var(--color-error);
}

.lm-alert-error .lm-alert-icon { color: var(--color-error); }

/* Banner (full-width) */
.lm-alert-banner {
  border-left: none;
  border-right: none;
  box-shadow: none;
  border-radius: var(--radius-none);
}

/* Responsive */
@media (max-width: 640px) {
  .lm-alert {
    padding: var(--space-3) var(--space-4);
  }
}
/* Lumina Design System — Spinner Component */
/* Version 0.5 */

.lm-spinner {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  position: relative;
}

.lm-spinner::after {
  content: "";
  width: 100%;
  height: 100%;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  animation: lm-spin 0.6s linear infinite;
}

.lm-spinner-sm { width: 16px; height: 16px; }
.lm-spinner-sm::after { border-width: 2px; }

.lm-spinner-lg { width: 40px; height: 40px; }
.lm-spinner-lg::after { border-width: 4px; }

.lm-spinner-xl { width: 64px; height: 64px; }
.lm-spinner-xl::after { border-width: 6px; }

/* Dots variant */
.lm-spinner-dots {
  gap: 4px;
}

.lm-spinner-dots::after { display: none; }

.lm-spinner-dots span {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border: var(--border-hairline);
  animation: lm-spinner-dot 1.2s var(--ease-standard) infinite;
}

.lm-spinner-dots span:nth-child(2) { animation-delay: 0.2s; }
.lm-spinner-dots span:nth-child(3) { animation-delay: 0.4s; }

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

@keyframes lm-spinner-dot {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* Overlay — full-area blocking spinner */
.lm-spinner-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-base);
  opacity: 0.8;
  z-index: var(--z-sticky);
}

@media (prefers-reduced-motion: reduce) {
  .lm-spinner::after,
  .lm-spinner-dots span {
    animation: none;
    opacity: 0.6;
  }
}

/* Lumina Design System — Divider Component */
/* Version 0.5 */

.lm-divider {
  width: 100%;
  height: var(--border-width-medium);
  background: var(--color-text);
  border: none;
  margin: var(--space-6) 0;
}

/* Variants */
.lm-divider-thin { height: var(--border-width-hairline); }
.lm-divider-thick { height: var(--border-width-thick); }

.lm-divider-accent { background: var(--color-accent); }
.lm-divider-muted { background: var(--color-border); }

/* Vertical Divider */
.lm-divider-vertical {
  width: var(--border-width-medium);
  height: auto;
  min-height: 24px;
  margin: 0 var(--space-4);
  align-self: stretch;
}

.lm-divider-vertical.lm-divider-thin { width: var(--border-width-hairline); }
.lm-divider-vertical.lm-divider-thick { width: var(--border-width-thick); }

/* Divider with Label */
.lm-divider-label {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  width: 100%;
  margin: var(--space-6) 0;
}

.lm-divider-label::before,
.lm-divider-label::after {
  content: "";
  flex: 1;
  height: var(--border-width-medium);
  background: var(--color-text);
}

.lm-divider-label-text {
  flex-shrink: 0;
  font-variation-settings: 'wght' 700, 'wdth' 100;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-secondary);
}

.lm-divider-label.lm-divider-accent::before,
.lm-divider-label.lm-divider-accent::after {
  background: var(--color-accent);
}

.lm-divider-label.lm-divider-muted::before,
.lm-divider-label.lm-divider-muted::after {
  background: var(--color-border);
}

/* Responsive — reduce margin on mobile */
@media (max-width: 640px) {
  .lm-divider { margin: var(--space-4) 0; }
  .lm-divider-label { margin: var(--space-4) 0; }
}
/* Lumina Design System — Select Component */
/* Version 0.5 */

.lm-select {
  position: relative;
  display: inline-flex;
  width: 100%;
  max-width: 320px;
}

.lm-select-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-input-y) var(--space-input-x);
  font-variation-settings: 'wght' 400, 'wdth' 100;
  font-size: var(--text-sm);
  color: var(--color-text);
  background: var(--color-base);
  border: var(--border-medium);
  box-shadow: var(--shadow-hard-sm);
  cursor: pointer;
  text-align: left;
  transition: var(--transition-transform), var(--transition-shadow);
  min-height: 42px;
}

.lm-select-trigger:hover {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.lm-select-trigger:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

.lm-select-trigger[aria-expanded="true"] {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.lm-select-chevron {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform var(--duration-fast) var(--ease-standard);
  color: var(--color-text-secondary);
}

.lm-select-trigger[aria-expanded="true"] .lm-select-chevron {
  transform: rotate(180deg);
}

.lm-select-placeholder {
  color: var(--color-text-muted);
}

.lm-select-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  z-index: var(--z-dropdown);
  max-height: 240px;
  overflow-y: auto;
  background: var(--color-raised);
  border: var(--border-medium);
  box-shadow: var(--shadow-hard);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--duration-fast) var(--ease-standard),
              transform var(--duration-fast) var(--ease-standard),
              visibility var(--duration-fast) var(--ease-standard);
}

.lm-select-trigger[aria-expanded="true"] + .lm-select-menu,
.lm-select-menu[data-open="true"] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lm-select-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-variation-settings: 'wght' 400, 'wdth' 100;
  font-size: var(--text-sm);
  color: var(--color-text);
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: var(--transition-colors);
}

.lm-select-option:hover {
  background: var(--color-overlay);
}

.lm-select-option:focus-visible {
  outline: var(--focus-ring);
  outline-offset: -2px;
}

.lm-select-option[aria-selected="true"] {
  font-variation-settings: 'wght' 700, 'wdth' 100;
  background: var(--color-overlay);
}

.lm-select-option[aria-disabled="true"] {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Option with checkmark */
.lm-select-option[aria-selected="true"]::after {
  content: "✓";
  margin-left: auto;
  font-variation-settings: 'wght' 800, 'wdth' 100;
  color: var(--color-accent);
}

/* Option Groups */
.lm-select-group-label {
  padding: var(--space-2) var(--space-4);
  font-variation-settings: 'wght' 700, 'wdth' 100;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-muted);
}

/* Sizes */
.lm-select-sm .lm-select-trigger { padding: var(--space-2) var(--space-3); min-height: 32px; font-size: var(--text-xs); }
.lm-select-lg .lm-select-trigger { padding: var(--space-4) var(--space-5); min-height: 52px; font-size: var(--text-base); }

/* Full-width */
.lm-select-full { max-width: none; }

/* Error state */
.lm-select-error .lm-select-trigger {
  border-color: var(--color-error);
  box-shadow: 6px 6px 0px 0px var(--color-error);
}

/* Responsive */
@media (max-width: 640px) {
  .lm-select { max-width: none; }
  .lm-select-menu { max-height: 200px; }
}
/* Lumina Design System — Textarea Component */
/* Version 0.5 */

.lm-textarea {
  display: block;
  width: 100%;
  min-height: 96px;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font);
  font-variation-settings: 'wght' 400, 'wdth' 100;
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background: var(--color-base);
  border: var(--border-medium);
  box-shadow: var(--shadow-hard-sm);
  resize: vertical;
  transition: var(--transition-transform), var(--transition-shadow);
}

.lm-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 6px 6px 0px 0px var(--color-accent);
  transform: translate(2px, 2px);
}

.lm-textarea:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: var(--shadow-hard-sm);
}

.lm-textarea::placeholder {
  color: var(--color-text-muted);
}

/* Sizes */
.lm-textarea-sm { min-height: 64px; padding: var(--space-2) var(--space-3); font-size: var(--text-xs); }
.lm-textarea-lg { min-height: 128px; padding: var(--space-4) var(--space-5); font-size: var(--text-base); }

/* Resize control */
.lm-textarea-resize-none { resize: none; }
.lm-textarea-resize-horizontal { resize: horizontal; }

/* Error state */
.lm-textarea-error {
  border-color: var(--color-error);
  box-shadow: 6px 6px 0px 0px var(--color-error);
}

.lm-textarea-error:focus {
  border-color: var(--color-error);
  box-shadow: 6px 6px 0px 0px var(--color-error);
}

/* Lumina Design System — Navbar Component */
/* Version 0.5 */

.lm-navbar {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 56px;
  padding: 0 var(--space-6);
  background: var(--color-base);
  border-bottom: var(--border-medium);
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  gap: var(--space-4);
}

.lm-navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-variation-settings: 'wght' 800, 'wdth' 125;
  font-size: var(--text-lg);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}

.lm-navbar-brand:hover { color: var(--color-accent); }

.lm-navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.lm-navbar-item {
  display: inline-flex;
}

.lm-navbar-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-variation-settings: 'wght' 500, 'wdth' 100;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  border: var(--border-width-thin) solid transparent;
  transition: var(--transition-colors);
}

.lm-navbar-link:hover {
  color: var(--color-text);
  background: var(--color-overlay);
}

.lm-navbar-link[aria-current="page"] {
  color: var(--color-accent);
  font-variation-settings: 'wght' 700, 'wdth' 100;
  border-bottom-color: var(--color-accent);
}

.lm-navbar-link:focus-visible {
  outline: var(--focus-ring);
  outline-offset: -2px;
}

/* Actions area (right side) */
.lm-navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: auto;
}

/* Mobile hamburger */
.lm-navbar-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: var(--border-medium);
  background: var(--color-base);
  color: var(--color-text);
  cursor: pointer;
  box-shadow: var(--shadow-hard-sm);
  transition: var(--transition-transform), var(--transition-shadow);
  flex-shrink: 0;
}

.lm-navbar-toggle:hover {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.lm-navbar-toggle[aria-expanded="true"] {
  transform: translate(2px, 2px);
  box-shadow: none;
  background: var(--color-overlay);
}

.lm-navbar-toggle-icon {
  width: 20px;
  height: 3px;
  background: var(--color-text);
  position: relative;
  transition: background var(--duration-fast) var(--ease-standard);
}

.lm-navbar-toggle-icon::before,
.lm-navbar-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 3px;
  background: var(--color-text);
  transition: transform var(--duration-fast) var(--ease-standard);
}

.lm-navbar-toggle-icon::before { top: -6px; }
.lm-navbar-toggle-icon::after { top: 6px; }

.lm-navbar-toggle[aria-expanded="true"] .lm-navbar-toggle-icon {
  background: transparent;
}

.lm-navbar-toggle[aria-expanded="true"] .lm-navbar-toggle-icon::before {
  transform: translateY(6px) rotate(45deg);
}

.lm-navbar-toggle[aria-expanded="true"] .lm-navbar-toggle-icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* Responsive — collapse nav to toggle */
@media (max-width: 768px) {
  .lm-navbar { padding: 0 var(--space-4); }
  .lm-navbar-toggle { display: flex; }

  .lm-navbar-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-base);
    border-bottom: var(--border-medium);
    box-shadow: var(--shadow-hard);
    padding: var(--space-4);
    gap: var(--space-1);
    display: none;
  }

  .lm-navbar-nav[data-open="true"],
  .lm-navbar-toggle[aria-expanded="true"] ~ .lm-navbar-nav,
  .lm-navbar-toggle[aria-expanded="true"] + .lm-navbar-nav {
    display: flex;
  }

  .lm-navbar-link {
    width: 100%;
    padding: var(--space-3) var(--space-4);
  }
}

@media (max-width: 480px) {
  .lm-navbar { min-height: 48px; padding: 0 var(--space-3); }
  .lm-navbar-brand { font-size: var(--text-base); }
}

/* Lumina Design System — Sheet / Drawer Component */
/* Version 0.5 */

.lm-sheet-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-base);
  opacity: 0.6;
  z-index: var(--z-modal-backdrop);
  transition: opacity var(--duration-normal) var(--ease-standard);
}

.lm-sheet {
  position: fixed;
  z-index: var(--z-modal);
  background: var(--color-raised);
  border: var(--border-medium);
  box-shadow: var(--shadow-hard-lg);
  transition: transform var(--duration-moderate) var(--ease-spring);
  overflow-y: auto;
  max-width: 100vw;
  max-height: 100vh;
}

/* Directions */
.lm-sheet-left {
  top: 0;
  left: 0;
  bottom: 0;
  width: 360px;
  border-right: var(--border-medium);
  transform: translateX(-100%);
}

.lm-sheet-right {
  top: 0;
  right: 0;
  bottom: 0;
  width: 360px;
  border-left: var(--border-medium);
  transform: translateX(100%);
}

.lm-sheet-top {
  top: 0;
  left: 0;
  right: 0;
  height: auto;
  max-height: 80vh;
  border-bottom: var(--border-medium);
  transform: translateY(-100%);
}

.lm-sheet-bottom {
  bottom: 0;
  left: 0;
  right: 0;
  height: auto;
  max-height: 80vh;
  border-top: var(--border-medium);
  transform: translateY(100%);
}

.lm-sheet[data-open="true"],
.lm-sheet-open {
  transform: translate(0);
}

/* Sheet Header */
.lm-sheet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: var(--border-thin);
  background: var(--color-base);
  position: sticky;
  top: 0;
  z-index: 1;
}

.lm-sheet-title {
  font-variation-settings: 'wght' 700, 'wdth' 100;
  font-size: var(--text-lg);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.lm-sheet-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: var(--border-medium);
  background: var(--color-base);
  color: var(--color-text);
  cursor: pointer;
  font-variation-settings: 'wght' 800, 'wdth' 100;
  font-size: var(--text-lg);
  line-height: 1;
  box-shadow: var(--shadow-hard-sm);
  transition: var(--transition-transform), var(--transition-shadow);
}

.lm-sheet-close:hover {
  transform: translate(2px, 2px);
  box-shadow: none;
}

/* Sheet Body */
.lm-sheet-body {
  padding: var(--space-6);
}

/* Sheet Footer */
.lm-sheet-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: var(--border-thin);
  background: var(--color-base);
  position: sticky;
  bottom: 0;
}

/* Sizes */
.lm-sheet-sm { width: 280px; }
.lm-sheet-lg { width: 480px; }
.lm-sheet-xl { width: 640px; }
.lm-sheet-full { width: 100vw; }

/* Responsive — full-width on mobile */
@media (max-width: 640px) {
  .lm-sheet-left,
  .lm-sheet-right {
    width: 100vw;
  }
  .lm-sheet-sm,
  .lm-sheet-lg,
  .lm-sheet-xl {
    width: 100vw;
  }
  .lm-sheet-header { padding: var(--space-3) var(--space-4); }
  .lm-sheet-body { padding: var(--space-4); }
  .lm-sheet-footer { padding: var(--space-3) var(--space-4); }
}
/* ==========================================================================
   Layout
   ========================================================================== */
/* Lumina Design System — Layout: Grid */
/* Version 0.4 */

.lm-grid {
  display: grid;
  gap: var(--space-grid-gap);
}

.lm-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.lm-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.lm-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.lm-grid-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.lm-grid-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.lm-grid-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

/* Auto-fit / Auto-fill — Responsive by Default */
.lm-grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.lm-grid-auto-sm {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.lm-grid-auto-lg {
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
}

/* Gap Variants */
.lm-grid-gap-1 { gap: var(--space-1); }
.lm-grid-gap-2 { gap: var(--space-2); }
.lm-grid-gap-3 { gap: var(--space-3); }
.lm-grid-gap-4 { gap: var(--space-4); }
.lm-grid-gap-5 { gap: var(--space-5); }
.lm-grid-gap-6 { gap: var(--space-6); }
.lm-grid-gap-8 { gap: var(--space-8); }
.lm-grid-gap-10 { gap: var(--space-10); }
.lm-grid-gap-12 { gap: var(--space-12); }

/* Responsive Breakpoints */
@media (max-width: 1280px) {
  .lm-grid-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lm-grid-5 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lm-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lm-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1024px) {
  .lm-grid-12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .lm-grid-6 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lm-grid-5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lm-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lm-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lm-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  .lm-grid-12 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lm-grid-6 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lm-grid-5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lm-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lm-grid-3 { grid-template-columns: 1fr; }
  .lm-grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .lm-grid-12 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lm-grid-6,
  .lm-grid-5,
  .lm-grid-4,
  .lm-grid-3,
  .lm-grid-2 { grid-template-columns: 1fr; }
}

/* Container Queries (Modern) */
@container (min-width: 400px) {
  .lm-grid-cq-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@container (min-width: 600px) {
  .lm-grid-cq-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@container (min-width: 800px) {
  .lm-grid-cq-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Grid Item Utilities */
.lm-col-span-1 { grid-column: span 1; }
.lm-col-span-2 { grid-column: span 2; }
.lm-col-span-3 { grid-column: span 3; }
.lm-col-span-4 { grid-column: span 4; }
.lm-col-span-5 { grid-column: span 5; }
.lm-col-span-6 { grid-column: span 6; }
.lm-col-span-full { grid-column: 1 / -1; }

.lm-col-start-1 { grid-column-start: 1; }
.lm-col-start-2 { grid-column-start: 2; }
.lm-col-start-3 { grid-column-start: 3; }
.lm-col-start-4 { grid-column-start: 4; }
.lm-col-start-5 { grid-column-start: 5; }
.lm-col-start-6 { grid-column-start: 6; }
.lm-col-start-7 { grid-column-start: 7; }
.lm-col-start-8 { grid-column-start: 8; }
.lm-col-start-9 { grid-column-start: 9; }
.lm-col-start-10 { grid-column-start: 10; }
.lm-col-start-11 { grid-column-start: 11; }
.lm-col-start-12 { grid-column-start: 12; }

.lm-col-end-1 { grid-column-end: 1; }
.lm-col-end-2 { grid-column-end: 2; }
.lm-col-end-3 { grid-column-end: 3; }
.lm-col-end-4 { grid-column-end: 4; }
.lm-col-end-5 { grid-column-end: 5; }
.lm-col-end-6 { grid-column-end: 6; }
.lm-col-end-7 { grid-column-end: 7; }
.lm-col-end-8 { grid-column-end: 8; }
.lm-col-end-9 { grid-column-end: 9; }
.lm-col-end-10 { grid-column-end: 10; }
.lm-col-end-11 { grid-column-end: 11; }
.lm-col-end-12 { grid-column-end: 12; }
.lm-col-end-13 { grid-column-end: 13; }

.lm-row-span-1 { grid-row: span 1; }
.lm-row-span-2 { grid-row: span 2; }
.lm-row-span-3 { grid-row: span 3; }
.lm-row-span-4 { grid-row: span 4; }
.lm-row-span-full { grid-row: 1 / -1; }
/* Lumina Design System — Layout: Container */
/* Version 0.4 */

.lm-container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-container-x);
  padding-right: var(--space-container-x);
}

.lm-container-sm { max-width: 640px; }
.lm-container-md { max-width: 768px; }
.lm-container-lg { max-width: 1024px; }
.lm-container-xl { max-width: 1280px; }
.lm-container-2xl { max-width: 1536px; }
.lm-container-full { max-width: none; padding-left: var(--space-6); padding-right: var(--space-6); }

/* Fluid Container — Uses viewport width with max constraint */
.lm-container-fluid {
  width: 100%;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(var(--space-4), 5vw, var(--space-8));
  padding-right: clamp(var(--space-4), 5vw, var(--space-8));
}

/* Section Wrapper */
.lm-section {
  padding-top: var(--space-section-y);
  padding-bottom: var(--space-section-y);
}

.lm-section-sm { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.lm-section-lg { padding-top: var(--space-16); padding-bottom: var(--space-16); }
.lm-section-xl { padding-top: var(--space-20); padding-bottom: var(--space-20); }

/* Page Layout */
.lm-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.lm-page-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--color-base);
  border-bottom: var(--border-thin);
}

.lm-page-main {
  flex: 1;
  width: 100%;
}

.lm-page-footer {
  background: var(--color-raised);
  border-top: var(--border-thin);
  padding: var(--space-8) var(--space-container-x);
}

/* Sidebar Layout */
.lm-layout {
  display: flex;
  min-height: 100vh;
}

.lm-layout-sidebar {
  flex-shrink: 0;
  width: 280px;
  background: var(--color-raised);
  border-right: var(--border-thin);
  padding: var(--space-6);
  overflow-y: auto;
}

.lm-layout-main {
  flex: 1;
  min-width: 0;
  padding: var(--space-6);
}

.lm-layout-sidebar-left .lm-layout-sidebar {
  border-right: var(--border-thin);
  border-left: none;
}

.lm-layout-sidebar-right .lm-layout-sidebar {
  border-left: var(--border-thin);
  border-right: none;
}

.lm-layout-sidebar-right .lm-layout-main {
  order: -1;
}

/* Collapsible Sidebar */
.lm-layout-sidebar-collapsed .lm-layout-sidebar {
  width: 72px;
}

.lm-layout-sidebar-collapsed .lm-sidebar-label {
  display: none;
}

/* Mobile Sidebar */
@media (max-width: 1024px) {
  .lm-layout {
    flex-direction: column;
  }
  .lm-layout-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: var(--border-thin);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
  }
  .lm-layout-sidebar-right .lm-layout-main {
    order: 0;
  }
}
/* Lumina Design System — Layout: Utilities */
/* Version 0.4 */

/* ==========================================================================
   Display
   ========================================================================== */

.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.inline-grid { display: inline-grid; }
.table { display: table; }
.hidden { display: none; }

/* ==========================================================================
   Flexbox
   ========================================================================== */

.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-initial { flex: 0 1 auto; }
.flex-none { flex: none; }

.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }
.items-baseline { align-items: baseline; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

.content-start { align-content: flex-start; }
.content-center { align-content: center; }
.content-end { align-content: flex-end; }
.content-between { align-content: space-between; }
.content-around { align-content: space-around; }
.content-evenly { align-content: space-evenly; }

.self-auto { align-self: auto; }
.self-start { align-self: flex-start; }
.self-center { align-self: center; }
.self-end { align-self: flex-end; }
.self-stretch { align-self: stretch; }

.gap-0 { gap: var(--space-0); }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-7 { gap: var(--space-7); }
.gap-8 { gap: var(--space-8); }
.gap-9 { gap: var(--space-9); }
.gap-10 { gap: var(--space-10); }
.gap-12 { gap: var(--space-12); }
.gap-14 { gap: var(--space-14); }
.gap-16 { gap: var(--space-16); }

/* ==========================================================================
   Spacing — Margin
   ========================================================================== */

.m-0 { margin: 0; }
.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.my-auto { margin-top: auto; margin-bottom: auto; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }
.mt-20 { margin-top: var(--space-20); }
.mt-auto { margin-top: auto; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-10 { margin-bottom: var(--space-10); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }
.mb-20 { margin-bottom: var(--space-20); }
.mb-auto { margin-bottom: auto; }

.ml-0 { margin-left: 0; }
.ml-1 { margin-left: var(--space-1); }
.ml-2 { margin-left: var(--space-2); }
.ml-3 { margin-left: var(--space-3); }
.ml-4 { margin-left: var(--space-4); }
.ml-6 { margin-left: var(--space-6); }
.ml-8 { margin-left: var(--space-8); }
.ml-auto { margin-left: auto; }

.mr-0 { margin-right: 0; }
.mr-1 { margin-right: var(--space-1); }
.mr-2 { margin-right: var(--space-2); }
.mr-3 { margin-right: var(--space-3); }
.mr-4 { margin-right: var(--space-4); }
.mr-6 { margin-right: var(--space-6); }
.mr-8 { margin-right: var(--space-8); }
.mr-auto { margin-right: auto; }

.mx-0 { margin-left: 0; margin-right: 0; }
.mx-1 { margin-left: var(--space-1); margin-right: var(--space-1); }
.mx-2 { margin-left: var(--space-2); margin-right: var(--space-2); }
.mx-3 { margin-left: var(--space-3); margin-right: var(--space-3); }
.mx-4 { margin-left: var(--space-4); margin-right: var(--space-4); }
.mx-6 { margin-left: var(--space-6); margin-right: var(--space-6); }
.mx-8 { margin-left: var(--space-8); margin-right: var(--space-8); }

.my-0 { margin-top: 0; margin-bottom: 0; }
.my-1 { margin-top: var(--space-1); margin-bottom: var(--space-1); }
.my-2 { margin-top: var(--space-2); margin-bottom: var(--space-2); }
.my-3 { margin-top: var(--space-3); margin-bottom: var(--space-3); }
.my-4 { margin-top: var(--space-4); margin-bottom: var(--space-4); }
.my-6 { margin-top: var(--space-6); margin-bottom: var(--space-6); }
.my-8 { margin-top: var(--space-8); margin-bottom: var(--space-8); }

/* Negative Margins */
.-mt-1 { margin-top: calc(var(--space-1) * -1); }
.-mt-2 { margin-top: calc(var(--space-2) * -1); }
.-mt-4 { margin-top: calc(var(--space-4) * -1); }
.-mt-8 { margin-top: calc(var(--space-8) * -1); }
.-mb-1 { margin-bottom: calc(var(--space-1) * -1); }
.-mb-2 { margin-bottom: calc(var(--space-2) * -1); }
.-mb-4 { margin-bottom: calc(var(--space-4) * -1); }
.-mb-8 { margin-bottom: calc(var(--space-8) * -1); }
.-ml-1 { margin-left: calc(var(--space-1) * -1); }
.-ml-2 { margin-left: calc(var(--space-2) * -1); }
.-ml-4 { margin-left: calc(var(--space-4) * -1); }
.-mr-1 { margin-right: calc(var(--space-1) * -1); }
.-mr-2 { margin-right: calc(var(--space-2) * -1); }
.-mr-4 { margin-right: calc(var(--space-4) * -1); }

/* ==========================================================================
   Spacing — Padding
   ========================================================================== */

.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.p-10 { padding: var(--space-10); }
.p-12 { padding: var(--space-12); }
.p-16 { padding: var(--space-16); }

.px-0 { padding-left: 0; padding-right: 0; }
.px-1 { padding-left: var(--space-1); padding-right: var(--space-1); }
.px-2 { padding-left: var(--space-2); padding-right: var(--space-2); }
.px-3 { padding-left: var(--space-3); padding-right: var(--space-3); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-5 { padding-left: var(--space-5); padding-right: var(--space-5); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.px-8 { padding-left: var(--space-8); padding-right: var(--space-8); }

.py-0 { padding-top: 0; padding-bottom: 0; }
.py-1 { padding-top: var(--space-1); padding-bottom: var(--space-1); }
.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-3 { padding-top: var(--space-3); padding-bottom: var(--space-3); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-5 { padding-top: var(--space-5); padding-bottom: var(--space-5); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }

.pt-0 { padding-top: 0; }
.pt-1 { padding-top: var(--space-1); }
.pt-2 { padding-top: var(--space-2); }
.pt-3 { padding-top: var(--space-3); }
.pt-4 { padding-top: var(--space-4); }
.pt-6 { padding-top: var(--space-6); }
.pt-8 { padding-top: var(--space-8); }
.pt-12 { padding-top: var(--space-12); }

.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: var(--space-1); }
.pb-2 { padding-bottom: var(--space-2); }
.pb-3 { padding-bottom: var(--space-3); }
.pb-4 { padding-bottom: var(--space-4); }
.pb-6 { padding-bottom: var(--space-6); }
.pb-8 { padding-bottom: var(--space-8); }
.pb-12 { padding-bottom: var(--space-12); }

.pl-0 { padding-left: 0; }
.pl-1 { padding-left: var(--space-1); }
.pl-2 { padding-left: var(--space-2); }
.pl-4 { padding-left: var(--space-4); }
.pl-6 { padding-left: var(--space-6); }

.pr-0 { padding-right: 0; }
.pr-1 { padding-right: var(--space-1); }
.pr-2 { padding-right: var(--space-2); }
.pr-4 { padding-right: var(--space-4); }
.pr-6 { padding-right: var(--space-6); }

/* ==========================================================================
   Typography Utilities
   ========================================================================== */

.font-sans { font-family: var(--font); }
.font-mono { font-family: var(--font-mono); }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }
.text-5xl { font-size: var(--text-5xl); }

.font-thin { font-variation-settings: 'wght' 100; }
.font-extralight { font-variation-settings: 'wght' 200; }
.font-light { font-variation-settings: 'wght' 300; }
.font-normal { font-variation-settings: 'wght' 400; }
.font-medium { font-variation-settings: 'wght' 500; }
.font-semibold { font-variation-settings: 'wght' 600; }
.font-bold { font-variation-settings: 'wght' 700; }
.font-extrabold { font-variation-settings: 'wght' 800; }
.font-black { font-variation-settings: 'wght' 900; }

.font-condensed { font-variation-settings: 'wdth' 75; }
.font-normal-width { font-variation-settings: 'wdth' 100; }
.font-wide { font-variation-settings: 'wdth' 110; }
.font-ultrawide { font-variation-settings: 'wdth' 125; }

.leading-none { line-height: var(--leading-none); }
.leading-tight { line-height: var(--leading-tight); }
.leading-snug { line-height: var(--leading-snug); }
.leading-normal { line-height: var(--leading-normal); }
.leading-relaxed { line-height: var(--leading-relaxed); }
.leading-loose { line-height: var(--leading-loose); }

.tracking-tighter { letter-spacing: var(--tracking-tighter); }
.tracking-tight { letter-spacing: var(--tracking-tight); }
.tracking-normal { letter-spacing: var(--tracking-normal); }
.tracking-wide { letter-spacing: var(--tracking-wide); }
.tracking-wider { letter-spacing: var(--tracking-wider); }
.tracking-widest { letter-spacing: var(--tracking-widest); }

.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }
.normal-case { text-transform: none; }

.italic { font-style: italic; }
.not-italic { font-style: normal; }

.antialiased { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
.subpixel-antialiased { -webkit-font-smoothing: auto; -moz-osx-font-smoothing: auto; }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.overflow-ellipsis { text-overflow: ellipsis; }
.text-wrap { text-wrap: wrap; }
.text-nowrap { white-space: nowrap; }
.text-balance { text-wrap: balance; }
.text-pretty { text-wrap: pretty; }

.align-baseline { vertical-align: baseline; }
.align-top { vertical-align: top; }
.align-middle { vertical-align: middle; }
.align-bottom { vertical-align: bottom; }
.align-text-top { vertical-align: text-top; }
.align-text-bottom { vertical-align: text-bottom; }

.whitespace-normal { white-space: normal; }
.whitespace-nowrap { white-space: nowrap; }
.whitespace-pre { white-space: pre; }
.whitespace-pre-line { white-space: pre-line; }
.whitespace-pre-wrap { white-space: pre-wrap; }
.whitespace-break-spaces { white-space: break-spaces; }

/* ==========================================================================
   Color Utilities
   ========================================================================== */

.text-accent { color: var(--color-accent); }
.text-accent-alt { color: var(--color-accent-alt); }
.text-base { color: var(--color-text); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }
.text-warning { color: var(--color-warning); }
.text-info { color: var(--color-info); }

.bg-base { background-color: var(--color-base); }
.bg-raised { background-color: var(--color-raised); }
.bg-overlay { background-color: var(--color-overlay); }
.bg-subtle { background-color: var(--color-subtle); }
.bg-accent { background-color: var(--color-accent); }
.bg-accent-alt { background-color: var(--color-accent-alt); }
.bg-success { background-color: var(--color-success); }
.bg-error { background-color: var(--color-error); }
.bg-warning { background-color: var(--color-warning); }
.bg-info { background-color: var(--color-info); }

.border { border: var(--border-thin); }
.border-0 { border: none; }
.border-t { border-top: var(--border-thin); }
.border-b { border-bottom: var(--border-thin); }
.border-bottom { border-bottom: var(--border-thin); }
.border-l { border-left: var(--border-thin); }
.border-r { border-right: var(--border-thin); }
.border-x { border-left: var(--border-thin); border-right: var(--border-thin); }
.border-y { border-top: var(--border-thin); border-bottom: var(--border-thin); }

.border-thick { border: var(--border-thick); }
.border-medium { border: var(--border-medium); }
.border-thin { border: var(--border-thin); }
.border-hairline { border: var(--border-hairline); }

.border-accent { border-color: var(--color-accent); }
.border-error { border-color: var(--color-error); }
.border-success { border-color: var(--color-success); }
.border-warning { border-color: var(--color-warning); }
.border-base { border-color: var(--color-border); }

/* ==========================================================================
   Shadow Utilities
   ========================================================================== */

.shadow-none { box-shadow: none; }
.shadow-sm { box-shadow: var(--shadow-hard-sm); }
.shadow { box-shadow: var(--shadow-hard); }
.shadow-lg { box-shadow: var(--shadow-hard-lg); }
.shadow-xl { box-shadow: var(--elevation-4); }
.shadow-2xl { box-shadow: var(--elevation-5); }

.shadow-accent { box-shadow: var(--shadow-accent); }
.shadow-accent-sm { box-shadow: var(--shadow-accent-sm); }
.shadow-accent-lg { box-shadow: var(--shadow-accent-lg); }

/* ==========================================================================
   Position & Z-Index
   ========================================================================== */

.static { position: static; }
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.inset-auto { top: auto; right: auto; bottom: auto; left: auto; }

.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }

.z-0 { z-index: var(--z-base); }
.z-10 { z-index: var(--z-content); }
.z-20 { z-index: var(--z-sticky); }
.z-30 { z-index: var(--z-nav); }
.z-40 { z-index: var(--z-header); }
.z-50 { z-index: var(--z-dropdown); }
.z-60 { z-index: var(--z-popover); }
.z-70 { z-index: var(--z-tooltip); }
.z-80 { z-index: var(--z-modal-backdrop); }
.z-90 { z-index: var(--z-modal); }
.z-100 { z-index: var(--z-toast); }

/* ==========================================================================
   Overflow
   ========================================================================== */

.overflow-auto { overflow: auto; }
.overflow-hidden { overflow: hidden; }
.overflow-clip { overflow: clip; }
.overflow-visible { overflow: visible; }
.overflow-scroll { overflow: scroll; }

.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }
.overflow-x-hidden { overflow-x: hidden; }
.overflow-y-hidden { overflow-y: hidden; }

/* ==========================================================================
   Sizing
   ========================================================================== */

.w-0 { width: 0; }
.w-full { width: 100%; }
.w-screen { width: 100vw; }
.w-min { width: min-content; }
.w-max { width: max-content; }
.w-fit { width: fit-content; }

.h-0 { height: 0; }
.h-full { height: 100%; }
.h-screen { height: 100vh; }
.h-min { height: min-content; }
.h-max { height: max-content; }
.h-fit { height: fit-content; }

.min-w-0 { min-width: 0; }
.min-w-full { min-width: 100%; }
.max-w-full { max-width: 100%; }
.max-w-screen { max-width: 100vw; }

.min-h-0 { min-height: 0; }
.min-h-full { min-height: 100%; }
.max-h-full { max-height: 100%; }
.max-h-screen { max-height: 100vh; }

.aspect-square { aspect-ratio: 1 / 1; }
.aspect-video { aspect-ratio: 16 / 9; }
.aspect-auto { aspect-ratio: auto; }

/* ==========================================================================
   Border Radius (All Zero for Brutalist)
   ========================================================================== */

.rounded-none { border-radius: var(--radius-none); }
.rounded { border-radius: var(--radius-none); }
.rounded-sm { border-radius: var(--radius-none); }
.rounded-md { border-radius: var(--radius-none); }
.rounded-lg { border-radius: var(--radius-none); }
.rounded-xl { border-radius: var(--radius-none); }
.rounded-2xl { border-radius: var(--radius-none); }
.rounded-full { border-radius: var(--radius-none); }

/* ==========================================================================
   Transitions
   ========================================================================== */

.transition-none { transition: none; }
.transition-all { transition: var(--transition-normal); }
.transition-fast { transition: var(--transition-fast); }
.transition-normal { transition: var(--transition-normal); }
.transition-moderate { transition: var(--transition-moderate); }
.transition-slow { transition: var(--transition-slow); }

.transition-colors { transition: var(--transition-colors); }
.transition-opacity { transition: var(--transition-opacity); }
.transition-shadow { transition: var(--transition-shadow); }
.transition-transform { transition: var(--transition-transform); }

/* ==========================================================================
   Transform
   ========================================================================== */

.transform-none { transform: none; }
.translate-x-0 { transform: translateX(0); }
.translate-y-0 { transform: translateY(0); }

/* ==========================================================================
   Animation
   ========================================================================== */

.animate-fade-in { animation: lm-fade-in var(--duration-fast) var(--ease-enter) forwards; }
.animate-slide-up { animation: lm-slide-up var(--duration-moderate) var(--ease-spring) forwards; }
.animate-slide-down { animation: lm-slide-down var(--duration-moderate) var(--ease-spring) forwards; }
.animate-scale-in { animation: lm-scale-in var(--duration-moderate) var(--ease-spring) forwards; }
.animate-spin { animation: lm-spin var(--duration-slow) var(--ease-linear) infinite; }
.animate-pulse { animation: lm-pulse var(--duration-slow) var(--ease-standard) infinite; }

/* ==========================================================================
   Cursor
   ========================================================================== */

.cursor-auto { cursor: auto; }
.cursor-default { cursor: default; }
.cursor-pointer { cursor: pointer; }
.cursor-wait { cursor: wait; }
.cursor-text { cursor: text; }
.cursor-move { cursor: move; }
.cursor-not-allowed { cursor: not-allowed; }
.cursor-help { cursor: help; }
.cursor-grab { cursor: grab; }
.cursor-grabbing { cursor: grabbing; }

/* ==========================================================================
   User Select
   ========================================================================== */

.select-none { user-select: none; }
.select-text { user-select: text; }
.select-all { user-select: all; }
.select-auto { user-select: auto; }

/* ==========================================================================
   Pointer Events
   ========================================================================== */

.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }

/* ==========================================================================
   Visibility
   ========================================================================== */

.visible { visibility: visible; }
.invisible { visibility: hidden; }

/* ==========================================================================
   Opacity
   ========================================================================== */

.opacity-0 { opacity: 0; }
.opacity-10 { opacity: 0.1; }
.opacity-20 { opacity: 0.2; }
.opacity-30 { opacity: 0.3; }
.opacity-40 { opacity: 0.4; }
.opacity-50 { opacity: 0.5; }
.opacity-60 { opacity: 0.6; }
.opacity-70 { opacity: 0.7; }
.opacity-80 { opacity: 0.8; }
.opacity-90 { opacity: 0.9; }
.opacity-100 { opacity: 1; }

/* ==========================================================================
   Object Fit
   ========================================================================== */

.object-contain { object-fit: contain; }
.object-cover { object-fit: cover; }
.object-fill { object-fit: fill; }
.object-none { object-fit: none; }
.object-scale-down { object-fit: scale-down; }

/* ==========================================================================
   Responsive Prefixes (Mobile First)
   ========================================================================== */

/* sm: 640px */
@media (min-width: 640px) {
  .sm\:block { display: block; }
  .sm\:flex { display: flex; }
  .sm\:grid { display: grid; }
  .sm\:hidden { display: none; }
  .sm\:flex-row { flex-direction: row; }
  .sm\:flex-col { flex-direction: column; }
  .sm\:items-center { align-items: center; }
  .sm\:justify-center { justify-content: center; }
  .sm\:justify-between { justify-content: space-between; }
  .sm\:gap-4 { gap: var(--space-4); }
  .sm\:gap-6 { gap: var(--space-6); }
  .sm\:text-sm { font-size: var(--text-sm); }
  .sm\:text-base { font-size: var(--text-base); }
  .sm\:text-lg { font-size: var(--text-lg); }
  .sm\:w-full { width: 100%; }
  .sm\:w-auto { width: auto; }
  .sm\:px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
  .sm\:py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
}

/* md: 768px */
@media (min-width: 768px) {
  .md\:block { display: block; }
  .md\:flex { display: flex; }
  .md\:grid { display: grid; }
  .md\:hidden { display: none; }
  .md\:flex-row { flex-direction: row; }
  .md\:flex-col { flex-direction: column; }
  .md\:items-center { align-items: center; }
  .md\:justify-center { justify-content: center; }
  .md\:justify-between { justify-content: space-between; }
  .md\:gap-6 { gap: var(--space-6); }
  .md\:gap-8 { gap: var(--space-8); }
  .md\:text-base { font-size: var(--text-base); }
  .md\:text-lg { font-size: var(--text-lg); }
  .md\:text-xl { font-size: var(--text-xl); }
  .md\:w-1\/2 { width: 50%; }
  .md\:w-1\/3 { width: 33.333333%; }
  .md\:w-2\/3 { width: 66.666667%; }
  .md\:px-8 { padding-left: var(--space-8); padding-right: var(--space-8); }
  .md\:py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }
}

/* lg: 1024px */
@media (min-width: 1024px) {
  .lg\:block { display: block; }
  .lg\:flex { display: flex; }
  .lg\:grid { display: grid; }
  .lg\:hidden { display: none; }
  .lg\:flex-row { flex-direction: row; }
  .lg\:flex-col { flex-direction: column; }
  .lg\:items-center { align-items: center; }
  .lg\:justify-center { justify-content: center; }
  .lg\:justify-between { justify-content: space-between; }
  .lg\:gap-8 { gap: var(--space-8); }
  .lg\:gap-10 { gap: var(--space-10); }
  .lg\:text-lg { font-size: var(--text-lg); }
  .lg\:text-xl { font-size: var(--text-xl); }
  .lg\:text-2xl { font-size: var(--text-2xl); }
  .lg\:w-1\/2 { width: 50%; }
  .lg\:w-1\/3 { width: 33.333333%; }
  .lg\:w-1\/4 { width: 25%; }
  .lg\:w-3\/4 { width: 75%; }
  .lg\:px-10 { padding-left: var(--space-10); padding-right: var(--space-10); }
  .lg\:py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); }
}

/* xl: 1280px */
@media (min-width: 1280px) {
  .xl\:block { display: block; }
  .xl\:flex { display: flex; }
  .xl\:grid { display: grid; }
  .xl\:hidden { display: none; }
  .xl\:gap-10 { gap: var(--space-10); }
  .xl\:text-xl { font-size: var(--text-xl); }
  .xl\:text-2xl { font-size: var(--text-2xl); }
  .xl\:text-3xl { font-size: var(--text-3xl); }
  .xl\:px-12 { padding-left: var(--space-12); padding-right: var(--space-12); }
}

/* 2xl: 1536px */
@media (min-width: 1536px) {
  .\32xl\:px-16 { padding-left: var(--space-16); padding-right: var(--space-16); }
}
/* Lumina Design System — Layout: Stack */
/* Version 0.5 */

/* Vertical stack with consistent spacing between children.
   Classic lobotomized owl + flex column shortcut.
   All children get equal spacing unless overridden. */

.lm-stack {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.lm-stack > * + * {
  margin-top: var(--space-4);
}

/* Spacing Variants */
.lm-stack-0 > * + * { margin-top: 0; }
.lm-stack-1 > * + * { margin-top: var(--space-1); }
.lm-stack-2 > * + * { margin-top: var(--space-2); }
.lm-stack-3 > * + * { margin-top: var(--space-3); }
.lm-stack-4 > * + * { margin-top: var(--space-4); }
.lm-stack-5 > * + * { margin-top: var(--space-5); }
.lm-stack-6 > * + * { margin-top: var(--space-6); }
.lm-stack-8 > * + * { margin-top: var(--space-8); }
.lm-stack-10 > * + * { margin-top: var(--space-10); }
.lm-stack-12 > * + * { margin-top: var(--space-12); }

/* Alignment */
.lm-stack-center { align-items: center; }
.lm-stack-start { align-items: flex-start; }
.lm-stack-end { align-items: flex-end; }
.lm-stack-stretch { align-items: stretch; }

/* Recursive Stack — applies to nested stacks too */
.lm-stack-recursive * + * {
  margin-top: var(--space-4);
}

/* Split Stack — first + last child push apart */
.lm-stack-split {
  justify-content: space-between;
  min-height: 100%;
}

.lm-stack-split > * + * {
  margin-top: 0;
}

/* Scrollable Stack */
.lm-stack-scroll {
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

/* Responsive — tighter on mobile */
@media (max-width: 640px) {
  .lm-stack > * + * { margin-top: var(--space-3); }
  .lm-stack-4 > * + * { margin-top: var(--space-3); }
  .lm-stack-6 > * + * { margin-top: var(--space-4); }
  .lm-stack-8 > * + * { margin-top: var(--space-5); }
  .lm-stack-10 > * + * { margin-top: var(--space-6); }
  .lm-stack-12 > * + * { margin-top: var(--space-8); }
}
/* Lumina Design System — Layout: Cluster */
/* Version 0.5 */

/* Horizontal flow layout — children wrap when they run out of room.
   Perfect for tag clouds, button bars, filter chips, etc. */

.lm-cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

/* Spacing Variants */
.lm-cluster-0 { gap: 0; }
.lm-cluster-1 { gap: var(--space-1); }
.lm-cluster-2 { gap: var(--space-2); }
.lm-cluster-3 { gap: var(--space-3); }
.lm-cluster-4 { gap: var(--space-4); }
.lm-cluster-5 { gap: var(--space-5); }
.lm-cluster-6 { gap: var(--space-6); }
.lm-cluster-8 { gap: var(--space-8); }

/* Alignment */
.lm-cluster-center { justify-content: center; }
.lm-cluster-start { justify-content: flex-start; }
.lm-cluster-end { justify-content: flex-end; }
.lm-cluster-between { justify-content: space-between; }
.lm-cluster-evenly { justify-content: space-evenly; }

/* Vertical alignment per row */
.lm-cluster-top { align-items: flex-start; }
.lm-cluster-middle { align-items: center; }
.lm-cluster-bottom { align-items: flex-end; }
.lm-cluster-stretch { align-items: stretch; }

/* Responsive — tighter on mobile */
@media (max-width: 640px) {
  .lm-cluster { gap: var(--space-2); }
  .lm-cluster-4 { gap: var(--space-3); }
  .lm-cluster-6 { gap: var(--space-4); }
  .lm-cluster-8 { gap: var(--space-5); }
}
/* Lumina Design System — Layout: Aspect Ratio */
/* Version 0.5 */

/* Maintain consistent aspect ratios for media containers.
   Uses the modern aspect-ratio property with a fallback for older browsers. */

.lm-aspect-ratio {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.lm-aspect-ratio > * {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Modern Support */
@supports (aspect-ratio: 1) {
  .lm-aspect-ratio {
    position: static;
    overflow: visible;
  }

  .lm-aspect-ratio > * {
    position: static;
    inset: auto;
  }
}

/* Ratios */
.lm-aspect-1-1  { aspect-ratio: 1 / 1; }
.lm-aspect-4-3  { aspect-ratio: 4 / 3; }
.lm-aspect-3-2  { aspect-ratio: 3 / 2; }
.lm-aspect-16-9 { aspect-ratio: 16 / 9; }
.lm-aspect-21-9 { aspect-ratio: 21 / 9; }
.lm-aspect-2-1  { aspect-ratio: 2 / 1; }
.lm-aspect-3-4  { aspect-ratio: 3 / 4; }
.lm-aspect-9-16 { aspect-ratio: 9 / 16; }

/* Fallback — padding-top hack for browsers without aspect-ratio */
.lm-aspect-1-1  { padding-top: 100%; }
.lm-aspect-4-3  { padding-top: 75%; }
.lm-aspect-3-2  { padding-top: 66.67%; }
.lm-aspect-16-9 { padding-top: 56.25%; }
.lm-aspect-21-9 { padding-top: 42.86%; }
.lm-aspect-2-1  { padding-top: 50%; }
.lm-aspect-3-4  { padding-top: 133.33%; }
.lm-aspect-9-16 { padding-top: 177.78%; }

@supports (aspect-ratio: 1) {
  .lm-aspect-1-1,
  .lm-aspect-4-3,
  .lm-aspect-3-2,
  .lm-aspect-16-9,
  .lm-aspect-21-9,
  .lm-aspect-2-1,
  .lm-aspect-3-4,
  .lm-aspect-9-16 {
    padding-top: 0;
  }
}

/* ==========================================================================
   Themes
   ========================================================================== */

/* Lumina Design System — Dark Theme (Default) */
/* Version 0.4 */

[data-theme="dark"] {
  /* Colours already defined in colors.css with :root as dark default */
  /* This file exists for explicit theme structure and future extensions */
}

/* Dark Theme Specific Adjustments */
/* Scrollbar */
[data-theme="dark"] *::-webkit-scrollbar-thumb {
    background: var(--color-border);
  }
[data-theme="dark"] *::-webkit-scrollbar-thumb:hover {
    background: var(--color-border-light);
  }
/* Selection */
[data-theme="dark"] ::selection {
    background: var(--color-accent);
    color: var(--color-text);
  }
/* Form Elements */
[data-theme="dark"] .lm-input,
  [data-theme="dark"] .lm-textarea,
  [data-theme="dark"] .lm-select {
    background: var(--color-base);
    border-color: var(--color-border);
    color: var(--color-text);
  }
[data-theme="dark"] .lm-input:focus-visible,
  [data-theme="dark"] .lm-textarea:focus-visible,
  [data-theme="dark"] .lm-select:focus-visible {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-accent-sm);
  }
[data-theme="dark"] .lm-input::placeholder {
    color: var(--color-text-muted);
  }
/* Checkbox/Radio */
[data-theme="dark"] .lm-checkbox,
  [data-theme="dark"] .lm-radio,
  [data-theme="dark"] .lm-switch {
    background: var(--color-base);
    border-color: var(--color-border);
  }
[data-theme="dark"] .lm-checkbox:checked,
  [data-theme="dark"] .lm-radio:checked {
    border-color: var(--color-text);
  }
[data-theme="dark"] .lm-checkbox:checked::after {
    border-color: var(--color-base);
  }
[data-theme="dark"] .lm-radio:checked::after {
    background: var(--color-text);
  }
/* Switch */
[data-theme="dark"] .lm-switch {
    background: var(--color-subtle);
  }
[data-theme="dark"] .lm-switch::before {
    background: var(--color-text);
  }
[data-theme="dark"] .lm-switch:checked {
    background: var(--color-accent);
  }
/* Button */
[data-theme="dark"] .lm-btn {
    background: var(--color-base);
    color: var(--color-text);
    border-color: var(--color-text);
    box-shadow: var(--shadow-hard);
  }
[data-theme="dark"] .lm-btn-primary {
    background: var(--color-accent);
    border-color: var(--color-text);
    box-shadow: var(--shadow-accent);
  }
[data-theme="dark"] .lm-btn-primary:hover:not(:disabled) {
    background: var(--color-text);
    color: var(--color-accent);
    border-color: var(--color-accent);
  }
[data-theme="dark"] .lm-btn-secondary {
    background: transparent;
    border-color: var(--color-border);
    box-shadow: var(--shadow-hard-sm);
  }
[data-theme="dark"] .lm-btn-secondary:hover:not(:disabled) {
    background: var(--color-raised);
  }
[data-theme="dark"] .lm-btn-ghost {
    background: transparent;
    border-color: var(--color-border);
  }
[data-theme="dark"] .lm-btn-ghost:hover:not(:disabled) {
    background: var(--color-overlay);
  }
[data-theme="dark"] .lm-btn-danger {
    background: var(--color-error);
    color: var(--color-text);
  }
[data-theme="dark"] .lm-btn-danger:hover:not(:disabled) {
    background: var(--color-text);
    color: var(--color-error);
  }
[data-theme="dark"] .lm-btn-success {
    background: var(--color-success);
    color: var(--color-text);
  }
[data-theme="dark"] .lm-btn-success:hover:not(:disabled) {
    background: var(--color-text);
    color: var(--color-success);
  }
/* Badge */
[data-theme="dark"] .lm-badge {
    background: var(--color-base);
    border-color: var(--color-border);
    color: var(--color-text);
  }
[data-theme="dark"] .lm-badge-muted {
    background: var(--color-text-muted);
    border-color: var(--color-base);
    color: var(--color-base);
  }
[data-theme="dark"] .lm-badge-brand {
    background: var(--color-accent);
    border-color: var(--color-text);
    color: var(--color-text);
  }
/* Card */
[data-theme="dark"] .lm-card {
    background: var(--color-raised);
    border-color: var(--color-text);
    box-shadow: var(--shadow-hard);
  }
[data-theme="dark"] .lm-card:hover {
    box-shadow: var(--shadow-hard-lg);
  }
[data-theme="dark"] .lm-card-flat {
    border-color: var(--color-border);
  }
[data-theme="dark"] .lm-card-flat:hover {
    box-shadow: var(--shadow-hard-sm);
  }
/* Table */
[data-theme="dark"] .lm-table th {
    background: var(--color-subtle);
    color: var(--color-text-muted);
  }
[data-theme="dark"] .lm-table td {
    background: var(--color-base);
  }
[data-theme="dark"] .lm-table tbody tr:hover td {
    background: var(--color-overlay);
  }
[data-theme="dark"] .lm-table-striped tbody tr:nth-child(even) td {
    background: var(--color-raised);
  }
[data-theme="dark"] .lm-table tfoot th,
  [data-theme="dark"] .lm-table tfoot td {
    background: var(--color-subtle);
  }
/* Modal */
[data-theme="dark"] .lm-modal {
    background: var(--color-raised);
    border-color: var(--color-text);
    box-shadow: var(--shadow-hard-lg);
  }
[data-theme="dark"] .lm-modal-header {
    background: var(--color-subtle);
  }
[data-theme="dark"] .lm-modal-footer {
    background: var(--color-subtle);
  }
[data-theme="dark"] .lm-modal-overlay {
    background: rgba(0, 0, 0, 0.8);
  }
[data-theme="dark"] .lm-modal-close {
    color: var(--color-text-muted);
    border-color: var(--color-border);
  }
[data-theme="dark"] .lm-modal-close:hover {
    color: var(--color-error);
    border-color: var(--color-error);
  }
/* Drawer */
[data-theme="dark"] .lm-drawer {
    background: var(--color-raised);
    border-color: var(--color-text);
    box-shadow: var(--shadow-hard-lg);
  }
/* Toast */
[data-theme="dark"] .lm-toast {
    background: var(--color-raised);
    border-color: var(--color-text);
    box-shadow: var(--shadow-hard);
  }
[data-theme="dark"] .lm-toast-close {
    color: var(--color-text-muted);
    border-color: var(--color-border);
  }
[data-theme="dark"] .lm-toast-close:hover {
    color: var(--color-error);
    border-color: var(--color-error);
  }
/* Dropdown */
[data-theme="dark"] .lm-dropdown-menu {
    background: var(--color-raised);
    border-color: var(--color-text);
    box-shadow: var(--shadow-hard);
  }
[data-theme="dark"] .lm-dropdown-item {
    color: var(--color-text);
  }
[data-theme="dark"] .lm-dropdown-item:hover,
  [data-theme="dark"] .lm-dropdown-item:focus-visible {
    background: var(--color-overlay);
  }
[data-theme="dark"] .lm-dropdown-header {
    background: var(--color-subtle);
    color: var(--color-text-muted);
  }
[data-theme="dark"] .lm-dropdown-divider {
    border-top-color: var(--color-border);
  }
/* Tabs */
[data-theme="dark"] .lm-tabs-list {
    border-bottom-color: var(--color-border);
  }
[data-theme="dark"] .lm-tab {
    color: var(--color-text-muted);
    border-bottom-color: transparent;
  }
[data-theme="dark"] .lm-tab:hover:not([aria-selected="true"]) {
    color: var(--color-text);
  }
[data-theme="dark"] .lm-tab[aria-selected="true"] {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
  }
[data-theme="dark"] .lm-tabs-vertical .lm-tabs-list {
    border-right-color: var(--color-border);
  }
[data-theme="dark"] .lm-tabs-vertical .lm-tab {
    border-right-color: transparent;
  }
[data-theme="dark"] .lm-tabs-vertical .lm-tab[aria-selected="true"] {
    background: var(--color-raised);
    border-right-color: var(--color-accent);
  }
/* Tooltip */
[data-theme="dark"] .lm-tooltip-content {
    background: var(--color-base);
    border-color: var(--color-border);
    box-shadow: var(--shadow-hard);
    color: var(--color-text);
  }
[data-theme="dark"] .lm-tooltip-content::before {
    border-top-color: var(--color-text);
  }
[data-theme="dark"] .lm-tooltip-top .lm-tooltip-content::before {
    border-bottom-color: var(--color-text);
  }
[data-theme="dark"] .lm-tooltip-bottom .lm-tooltip-content::before {
    border-bottom-color: var(--color-text);
  }
[data-theme="dark"] .lm-tooltip-left .lm-tooltip-content::before {
    border-right-color: var(--color-text);
  }
[data-theme="dark"] .lm-tooltip-right .lm-tooltip-content::before {
    border-left-color: var(--color-text);
  }
[data-theme="dark"] .lm-page-header {
    background: var(--color-base);
    border-bottom-color: var(--color-border);
  }
[data-theme="dark"] .lm-page-footer {
    background: var(--color-raised);
    border-top-color: var(--color-border);
  }
[data-theme="dark"] .lm-layout-sidebar {
    background: var(--color-raised);
    border-right-color: var(--color-border);
  }
/* Horizontal Rule */
[data-theme="dark"] hr {
    border-top-color: var(--color-border);
  }
/* Skip Link */
[data-theme="dark"] .skip-link {
    background: var(--color-accent);
    color: var(--color-text);
    border-color: var(--color-text);
    box-shadow: var(--shadow-hard);
  }
/* Focus Ring */
[data-theme="dark"] :focus-visible {
    outline-color: var(--color-accent);
  }
/* Lumina Design System — Light Theme */
/* Version 0.4 */

/* Scrollbar */

[data-theme="light"] *::-webkit-scrollbar-thumb {
    background: var(--color-border);
  }

[data-theme="light"] *::-webkit-scrollbar-thumb:hover {
    background: var(--color-border-light);
  }

/* Selection */

[data-theme="light"] ::selection {
    background: var(--color-accent);
    color: var(--color-text);
  }

/* Form Elements */

[data-theme="light"] .lm-input,
  [data-theme="light"] .lm-textarea,
  [data-theme="light"] .lm-select {
    background: var(--color-base);
    border-color: var(--color-border);
    color: var(--color-text);
  }

[data-theme="light"] .lm-input:focus-visible,
  [data-theme="light"] .lm-textarea:focus-visible,
  [data-theme="light"] .lm-select:focus-visible {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-accent-sm);
  }

[data-theme="light"] .lm-input::placeholder {
    color: var(--color-text-muted);
  }

/* Checkbox/Radio */

[data-theme="light"] .lm-checkbox,
  [data-theme="light"] .lm-radio,
  [data-theme="light"] .lm-switch {
    background: var(--color-base);
    border-color: var(--color-border);
  }

[data-theme="light"] .lm-checkbox:checked,
  [data-theme="light"] .lm-radio:checked {
    border-color: var(--color-text);
  }

[data-theme="light"] .lm-checkbox:checked::after {
    border-color: var(--color-base);
  }

[data-theme="light"] .lm-radio:checked::after {
    background: var(--color-text);
  }

/* Switch */

[data-theme="light"] .lm-switch {
    background: var(--color-subtle);
  }

[data-theme="light"] .lm-switch::before {
    background: var(--color-text);
  }

[data-theme="light"] .lm-switch:checked {
    background: var(--color-accent);
  }

/* Button */

[data-theme="light"] .lm-btn {
    background: var(--color-base);
    color: var(--color-text);
    border-color: var(--color-text);
    box-shadow: var(--shadow-hard);
  }

[data-theme="light"] .lm-btn-primary {
    background: var(--color-accent);
    border-color: var(--color-text);
    box-shadow: var(--shadow-accent);
  }

[data-theme="light"] .lm-btn-primary:hover:not(:disabled) {
    background: var(--color-text);
    color: var(--color-accent);
    border-color: var(--color-accent);
  }

[data-theme="light"] .lm-btn-secondary {
    background: transparent;
    border-color: var(--color-border);
    box-shadow: var(--shadow-hard-sm);
  }

[data-theme="light"] .lm-btn-secondary:hover:not(:disabled) {
    background: var(--color-raised);
  }

[data-theme="light"] .lm-btn-ghost {
    background: transparent;
    border-color: var(--color-border);
  }

[data-theme="light"] .lm-btn-ghost:hover:not(:disabled) {
    background: var(--color-overlay);
  }

[data-theme="light"] .lm-btn-danger {
    background: var(--color-error);
    color: var(--color-text);
  }

[data-theme="light"] .lm-btn-danger:hover:not(:disabled) {
    background: var(--color-text);
    color: var(--color-error);
  }

[data-theme="light"] .lm-btn-success {
    background: var(--color-success);
    color: var(--color-text);
  }

[data-theme="light"] .lm-btn-success:hover:not(:disabled) {
    background: var(--color-text);
    color: var(--color-success);
  }

/* Badge */

[data-theme="light"] .lm-badge {
    background: var(--color-base);
    border-color: var(--color-border);
    color: var(--color-text);
  }

[data-theme="light"] .lm-badge-muted {
    background: var(--color-text-muted);
    border-color: var(--color-text);
    color: var(--color-base);
  }

[data-theme="light"] .lm-badge-brand {
    background: var(--color-accent);
    border-color: var(--color-text);
    color: var(--color-text);
  }

/* Card */

[data-theme="light"] .lm-card {
    background: var(--color-raised);
    border-color: var(--color-text);
    box-shadow: var(--shadow-hard);
  }

[data-theme="light"] .lm-card:hover {
    box-shadow: var(--shadow-hard-lg);
  }

[data-theme="light"] .lm-card-flat {
    border-color: var(--color-border);
  }

[data-theme="light"] .lm-card-flat:hover {
    box-shadow: var(--shadow-hard-sm);
  }

/* Table */

[data-theme="light"] .lm-table th {
    background: var(--color-subtle);
    color: var(--color-text-muted);
  }

[data-theme="light"] .lm-table td {
    background: var(--color-base);
  }

[data-theme="light"] .lm-table tbody tr:hover td {
    background: var(--color-overlay);
  }

[data-theme="light"] .lm-table-striped tbody tr:nth-child(even) td {
    background: var(--color-raised);
  }

[data-theme="light"] .lm-table tfoot th,
  [data-theme="light"] .lm-table tfoot td {
    background: var(--color-subtle);
  }

/* Modal */

[data-theme="light"] .lm-modal {
    background: var(--color-raised);
    border-color: var(--color-text);
    box-shadow: var(--shadow-hard-lg);
  }

[data-theme="light"] .lm-modal-header {
    background: var(--color-subtle);
  }

[data-theme="light"] .lm-modal-footer {
    background: var(--color-subtle);
  }

[data-theme="light"] .lm-modal-overlay {
    background: rgba(0, 0, 0, 0.5);
  }

[data-theme="light"] .lm-modal-close {
    color: var(--color-text-muted);
    border-color: var(--color-border);
  }

[data-theme="light"] .lm-modal-close:hover {
    color: var(--color-error);
    border-color: var(--color-error);
  }

/* Drawer */

[data-theme="light"] .lm-drawer {
    background: var(--color-raised);
    border-color: var(--color-text);
    box-shadow: var(--shadow-hard-lg);
  }

/* Toast */

[data-theme="light"] .lm-toast {
    background: var(--color-raised);
    border-color: var(--color-text);
    box-shadow: var(--shadow-hard);
  }

[data-theme="light"] .lm-toast-close {
    color: var(--color-text-muted);
    border-color: var(--color-border);
  }

[data-theme="light"] .lm-toast-close:hover {
    color: var(--color-error);
    border-color: var(--color-error);
  }

/* Dropdown */

[data-theme="light"] .lm-dropdown-menu {
    background: var(--color-raised);
    border-color: var(--color-text);
    box-shadow: var(--shadow-hard);
  }

[data-theme="light"] .lm-dropdown-item {
    color: var(--color-text);
  }

[data-theme="light"] .lm-dropdown-item:hover,
  [data-theme="light"] .lm-dropdown-item:focus-visible {
    background: var(--color-overlay);
  }

[data-theme="light"] .lm-dropdown-header {
    background: var(--color-subtle);
    color: var(--color-text-muted);
  }

[data-theme="light"] .lm-dropdown-divider {
    border-top-color: var(--color-border);
  }

/* Tabs */

[data-theme="light"] .lm-tabs-list {
    border-bottom-color: var(--color-border);
  }

[data-theme="light"] .lm-tab {
    color: var(--color-text-muted);
    border-bottom-color: transparent;
  }

[data-theme="light"] .lm-tab:hover:not([aria-selected="true"]) {
    color: var(--color-text);
  }

[data-theme="light"] .lm-tab[aria-selected="true"] {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
  }

[data-theme="light"] .lm-tabs-vertical .lm-tabs-list {
    border-right-color: var(--color-border);
  }

[data-theme="light"] .lm-tabs-vertical .lm-tab {
    border-right-color: transparent;
  }

[data-theme="light"] .lm-tabs-vertical .lm-tab[aria-selected="true"] {
    background: var(--color-raised);
    border-right-color: var(--color-accent);
  }

/* Tooltip */

[data-theme="light"] .lm-tooltip-content {
    background: var(--color-base);
    border-color: var(--color-border);
    box-shadow: var(--shadow-hard);
    color: var(--color-text);
  }

[data-theme="light"] .lm-tooltip-content::before {
    border-top-color: var(--color-text);
  }

[data-theme="light"] .lm-tooltip-top .lm-tooltip-content::before {
    border-bottom-color: var(--color-text);
  }

[data-theme="light"] .lm-tooltip-bottom .lm-tooltip-content::before {
    border-bottom-color: var(--color-text);
  }

[data-theme="light"] .lm-tooltip-left .lm-tooltip-content::before {
    border-right-color: var(--color-text);
  }

[data-theme="light"] .lm-tooltip-right .lm-tooltip-content::before {
    border-left-color: var(--color-text);
  }

/* Skip Link */

[data-theme="light"] .skip-link {
    background: var(--color-accent);
    color: var(--color-text);
    border-color: var(--color-text);
    box-shadow: var(--shadow-hard);
  }

/* Focus Ring */

[data-theme="light"] :focus-visible {
    outline-color: var(--color-accent);
  }

/* Page Layout */

[data-theme="light"] .lm-page-header {
    background: var(--color-base);
    border-bottom-color: var(--color-border);
  }

[data-theme="light"] .lm-page-footer {
    background: var(--color-raised);
    border-top-color: var(--color-border);
  }

[data-theme="light"] .lm-layout-sidebar {
    background: var(--color-raised);
    border-right-color: var(--color-border);
  }

/* Horizontal Rule */

[data-theme="light"] hr {
    border-top-color: var(--color-border);
  }