/* CC-02a — Token authoring (single source of truth)
   See: DOCS/INDIANMARRIAGE/discussions/CC-02a.md
   Reference page: FRONTEND/tests/tokens/token-reference.html

   This file is the ONLY place brand colors are declared.
   Stylelint enforces this — see .stylelintrc.json.

   Two blocks below carry the same hex values:
     - :root { … }  →  consumed by var(--marriage-gold) etc.
     - @theme { … } →  consumed by Tailwind v4 utilities (bg-marriage-gold etc.)
   Edit BOTH blocks together when adding/changing a token. */

/* =============================================================================
   :root — CSS Custom Properties (consumers: HTML inline styles, hand-CSS)
   ============================================================================= */

:root {
  /* === Canonical 8 brand colors (base + 4 shades each) === */

  /* Marriage Gold — primary brand accent */
  --marriage-gold-100: #fef3c7;
  --marriage-gold-300: #fbbf24;
  --marriage-gold-500: #d4af37;
  --marriage-gold-700: #b8860b;
  --marriage-gold-900: #5c4004;
  --marriage-gold: var(--marriage-gold-500);

  /* Love Pink — romance, hearts */
  --love-pink-100: #fce7f3;
  --love-pink-300: #f9a8d4;
  --love-pink-500: #ec4899;
  --love-pink-700: #be185d;
  --love-pink-900: #500724;
  --love-pink: var(--love-pink-500);

  /* Destiny Purple — astrology premium */
  --destiny-purple-100: #ede9fe;
  --destiny-purple-300: #c4b5fd;
  --destiny-purple-500: #8b5cf6;
  --destiny-purple-700: #6d28d9;
  --destiny-purple-900: #2e1065;
  --destiny-purple: var(--destiny-purple-500);

  /* Harmony Green — verified, success */
  --harmony-green-100: #d1fae5;
  --harmony-green-300: #6ee7b7;
  --harmony-green-500: #10b981;
  --harmony-green-700: #047857;
  --harmony-green-900: #022c22;
  --harmony-green: var(--harmony-green-500);

  /* Eternity Blue — trust, info */
  --eternity-blue-100: #dbeafe;
  --eternity-blue-300: #93c5fd;
  --eternity-blue-500: #3b82f6;
  --eternity-blue-700: #1d4ed8;
  --eternity-blue-900: #172554;
  --eternity-blue: var(--eternity-blue-500);

  /* Celestial Teal — AI features */
  --celestial-teal-100: #ccfbf1;
  --celestial-teal-300: #5eead4;
  --celestial-teal-500: #14b8a6;
  --celestial-teal-700: #0f766e;
  --celestial-teal-900: #042f2e;
  --celestial-teal: var(--celestial-teal-500);

  /* Accent Rose — distinct rose hue (NOT a danger semantic; see --color-danger) */
  --accent-rose-100: #ffe4e6;
  --accent-rose-300: #fda4af;
  --accent-rose-500: #f43f5e;
  --accent-rose-700: #be123c;
  --accent-rose-900: #4c0519;
  --accent-rose: var(--accent-rose-500);

  /* Neutral Slate — full ramp (10 shades; surfaces genuinely use this range) */
  --neutral-slate-50: #f8fafc;
  --neutral-slate-100: #f1f5f9;
  --neutral-slate-200: #e2e8f0;
  --neutral-slate-300: #cbd5e1;
  --neutral-slate-400: #94a3b8;
  --neutral-slate-500: #64748b;
  --neutral-slate-600: #475569;
  --neutral-slate-700: #334155;
  --neutral-slate-800: #1e293b;
  --neutral-slate-900: #0f172a;
  --neutral-slate: var(--neutral-slate-500);

  /* === Semantic color aliases (NOT brand colors — separate from canonical 8) === */
  --color-primary: var(--marriage-gold);
  --color-primary-hover: var(--marriage-gold-700);
  --color-secondary: var(--destiny-purple);
  --color-success: var(--harmony-green);
  --color-info: var(--eternity-blue);
  --color-warning: var(--marriage-gold);  /* warm-amber matches Indian-wedding theme */
  --color-danger: #dc2626;                /* dedicated true red — NOT folded under accent-rose */
  --color-danger-hover: #b91c1c;

  /* Semantic text/background aliases */
  --color-text-primary: var(--neutral-slate-900);
  --color-text-secondary: var(--neutral-slate-600);
  --color-text-muted: var(--neutral-slate-400);
  --color-text-inverse: var(--neutral-slate-50);

  --color-bg-primary: #ffffff;
  --color-bg-secondary: var(--neutral-slate-50);
  --color-bg-tertiary: var(--neutral-slate-100);

  --color-border-primary: var(--neutral-slate-300);
  --color-border-secondary: var(--neutral-slate-200);

  /* === Spacing scale (xs/sm/md/lg/xl/2xl per work-item AC #1) === */
  --space-xs: 0.25rem;   /* 4px */
  --space-sm: 0.5rem;    /* 8px */
  --space-md: 1rem;      /* 16px */
  --space-lg: 1.5rem;    /* 24px */
  --space-xl: 2rem;      /* 32px */
  --space-2xl: 3rem;     /* 48px */

  /* === Radii === */
  --radius-none: 0;
  --radius-sm: 0.125rem;  /* 2px */
  --radius-md: 0.375rem;  /* 6px */
  --radius-lg: 0.5rem;    /* 8px */
  --radius-xl: 0.75rem;   /* 12px */
  --radius-2xl: 1rem;     /* 16px */
  --radius-full: 9999px;

  /* === Shadow elevations (0–5 per work-item AC #1) === */
  --shadow-0: none;
  --shadow-1: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-2: 0 1px 3px 0 rgba(0, 0, 0, 0.10), 0 1px 2px -1px rgba(0, 0, 0, 0.10);
  --shadow-3: 0 4px 6px -1px rgba(0, 0, 0, 0.10), 0 2px 4px -2px rgba(0, 0, 0, 0.10);
  --shadow-4: 0 10px 15px -3px rgba(0, 0, 0, 0.10), 0 4px 6px -4px rgba(0, 0, 0, 0.10);
  --shadow-5: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* === Motion durations (3-step per work-item AC #1) === */
  --motion-fast: 150ms;
  --motion-base: 250ms;
  --motion-slow: 400ms;

  /* === Motion easings (3-step per work-item AC #1) === */
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-decelerate: cubic-bezier(0, 0, 0.2, 1);
  --ease-accelerate: cubic-bezier(0.4, 0, 1, 1);

  /* === Typography stack — Inter+Playfair canonical; alternates exposed for CC-05b flip === */
  --font-inter: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-playfair: 'Playfair Display', Georgia, serif;
  --font-dm-sans: 'DM Sans', ui-sans-serif, system-ui, sans-serif;
  --font-cormorant: 'Cormorant Garamond', Georgia, serif;
  --font-hindi: 'Noto Sans Devanagari', sans-serif;
  --font-mono: 'Fira Code', 'Courier New', monospace;

  --font-body: var(--font-inter);
  --font-display: var(--font-playfair);

  /* === Typography size scale === */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  /* === Typography weights === */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* === Typography line-heights === */
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  --line-height-loose: 2;

  /* === Z-index layers === */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-toast: 1080;
}

/* =============================================================================
   Dark mode surface tokens (slate-aligned, per Reviewer locked OQ4)
   Activates on .dark or [data-theme="dark"] roots.
   ============================================================================= */

:root.dark,
[data-theme="dark"] {
  --bg-primary-dark: #0f172a;        /* slate-900 — canonical dark surface */
  --bg-secondary-dark: #1e293b;      /* slate-800 */
  --bg-tertiary-dark: #334155;       /* slate-700 */
  --text-primary-dark: #f1f5f9;      /* slate-100 */
  --text-secondary-dark: #cbd5e1;    /* slate-300 */
  --border-dark: #334155;            /* slate-700 */
  --surface-elevated-dark: #1e293b;  /* slate-800 */

  /* Re-bind semantic aliases under dark mode */
  --color-text-primary: var(--text-primary-dark);
  --color-text-secondary: var(--text-secondary-dark);
  --color-bg-primary: var(--bg-primary-dark);
  --color-bg-secondary: var(--bg-secondary-dark);
  --color-bg-tertiary: var(--bg-tertiary-dark);
  --color-border-primary: var(--border-dark);
  --color-border-secondary: var(--border-dark);
}

/* =============================================================================
   @theme — Tailwind v4 (consumers: bg-marriage-gold, text-celestial-teal, etc.)
   Same hex values as :root above. Edit BOTH blocks together.
   ============================================================================= */

@theme {
  /* Brand colors — base + shades */
  --color-marriage-gold: #d4af37;
  --color-marriage-gold-100: #fef3c7;
  --color-marriage-gold-300: #fbbf24;
  --color-marriage-gold-500: #d4af37;
  --color-marriage-gold-700: #b8860b;
  --color-marriage-gold-900: #5c4004;

  --color-love-pink: #ec4899;
  --color-love-pink-100: #fce7f3;
  --color-love-pink-300: #f9a8d4;
  --color-love-pink-500: #ec4899;
  --color-love-pink-700: #be185d;
  --color-love-pink-900: #500724;

  --color-destiny-purple: #8b5cf6;
  --color-destiny-purple-100: #ede9fe;
  --color-destiny-purple-300: #c4b5fd;
  --color-destiny-purple-500: #8b5cf6;
  --color-destiny-purple-700: #6d28d9;
  --color-destiny-purple-900: #2e1065;

  --color-harmony-green: #10b981;
  --color-harmony-green-100: #d1fae5;
  --color-harmony-green-300: #6ee7b7;
  --color-harmony-green-500: #10b981;
  --color-harmony-green-700: #047857;
  --color-harmony-green-900: #022c22;

  --color-eternity-blue: #3b82f6;
  --color-eternity-blue-100: #dbeafe;
  --color-eternity-blue-300: #93c5fd;
  --color-eternity-blue-500: #3b82f6;
  --color-eternity-blue-700: #1d4ed8;
  --color-eternity-blue-900: #172554;

  --color-celestial-teal: #14b8a6;
  --color-celestial-teal-100: #ccfbf1;
  --color-celestial-teal-300: #5eead4;
  --color-celestial-teal-500: #14b8a6;
  --color-celestial-teal-700: #0f766e;
  --color-celestial-teal-900: #042f2e;

  --color-accent-rose: #f43f5e;
  --color-accent-rose-100: #ffe4e6;
  --color-accent-rose-300: #fda4af;
  --color-accent-rose-500: #f43f5e;
  --color-accent-rose-700: #be123c;
  --color-accent-rose-900: #4c0519;

  --color-neutral-slate: #64748b;
  --color-neutral-slate-50: #f8fafc;
  --color-neutral-slate-100: #f1f5f9;
  --color-neutral-slate-200: #e2e8f0;
  --color-neutral-slate-300: #cbd5e1;
  --color-neutral-slate-400: #94a3b8;
  --color-neutral-slate-500: #64748b;
  --color-neutral-slate-600: #475569;
  --color-neutral-slate-700: #334155;
  --color-neutral-slate-800: #1e293b;
  --color-neutral-slate-900: #0f172a;

  /* Semantic aliases for Tailwind utilities */
  --color-danger: #dc2626;
  --color-success: #10b981;
  --color-warning: #d4af37;
  --color-info: #3b82f6;
  --color-primary: #d4af37;

  /* Font families */
  --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;

  /* Spacing — Tailwind v4 reads --spacing-* */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Radii */
  --radius-sm: 0.125rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
}