/* ============================================================
   HolyTL;DR — Design Tokens
   Single source of truth for every visual value in the app.
   Components reference ONLY semantic tokens, never raw values.
   ============================================================ */

:root {
  /* --- Raw Palette (never used directly in components) --- */
  --color-navy-900: #0B1120;
  --color-navy-800: #151D2E;
  --color-navy-700: #1C2740;
  --color-navy-600: #2E4368;
  --color-navy-500: #4A6491;

  --color-gold-500: #D4A843;
  --color-gold-400: #E8C373;
  --color-gold-300: #F2D998;
  --color-gold-100: #FBF4E0;
  --color-gold-900: #2A2210;

  --color-gray-900: #1A1A2E;
  --color-gray-800: #374151;
  --color-gray-700: #4B5563;
  --color-gray-600: #6B7280;
  --color-gray-500: #9CA3AF;
  --color-gray-400: #D1D5DB;
  --color-gray-300: #E5E7EB;
  --color-gray-200: #F3F4F6;
  --color-gray-100: #F8F6F3;
  --color-gray-50: #FAFAF8;

  --color-white: #FFFFFF;
  --color-cream: #F0EDE8;

  --color-red-500: #EF4444;
  --color-red-400: #F87171;
  --color-green-500: #10B981;
  --color-green-400: #34D399;
  --color-blue-500: #3B82F6;
  --color-blue-400: #60A5FA;

  /* --- Semantic Surface --- */
  --surface-primary: var(--color-white);
  --surface-secondary: var(--color-gray-100);
  --surface-elevated: var(--color-white);
  --surface-overlay: rgba(0, 0, 0, 0.5);

  /* --- Semantic Text --- */
  --text-primary: var(--color-gray-900);
  --text-secondary: var(--color-gray-600);
  --text-muted: var(--color-gray-500);
  --text-inverse: var(--color-white);
  --text-brand: var(--color-gold-500);

  /* --- Semantic Border --- */
  --border-default: var(--color-gray-300);
  --border-subtle: var(--color-gray-200);
  --border-brand: var(--color-gold-500);

  /* --- Brand --- */
  --brand-gold: var(--color-gold-500);
  --brand-gold-soft: var(--color-gold-100);
  --brand-navy: var(--color-navy-900);

  /* --- Status --- */
  --color-danger: var(--color-red-500);
  --color-success: var(--color-green-500);
  --color-accent: var(--color-blue-500);

  /* --- Typography --- */
  --font-sans: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-serif: 'Newsreader', Georgia, 'Times New Roman', serif;

  --text-xs: 0.75rem;    /* 12px */
  --text-sm: 0.875rem;   /* 14px */
  --text-base: 1rem;     /* 16px */
  --text-lg: 1.125rem;   /* 18px */
  --text-xl: 1.25rem;    /* 20px */
  --text-2xl: 1.5rem;    /* 24px */
  --text-3xl: 2rem;      /* 32px */
  --text-4xl: 2.5rem;    /* 40px */

  --leading-tight: 1.2;
  --leading-normal: 1.5;
  --leading-relaxed: 1.7;

  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* --- Spacing (4px grid) --- */
  --space-0: 0;
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */

  /* --- Border Radius --- */
  --radius-sm: 0.375rem;  /* 6px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-2xl: 1.5rem;   /* 24px */
  --radius-full: 9999px;

  /* --- Shadows --- */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.16);
  --shadow-glow: 0 0 20px var(--brand-gold-soft);

  /* --- Motion --- */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;

  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* --- Z-Index --- */
  --z-base: 0;
  --z-nav: 100;
  --z-modal: 200;
  --z-toast: 300;

  /* --- Layout --- */
  --max-width: 480px;
  --nav-height: 64px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* ============================================================
   Dark Mode — remap semantic tokens only
   ============================================================ */
[data-theme='dark'] {
  --surface-primary: var(--color-navy-900);
  --surface-secondary: var(--color-navy-800);
  --surface-elevated: var(--color-navy-700);
  --surface-overlay: rgba(0, 0, 0, 0.7);

  --text-primary: var(--color-cream);
  --text-secondary: var(--color-gray-500);
  --text-muted: var(--color-gray-600);
  --text-inverse: var(--color-navy-900);

  --border-default: var(--color-navy-600);
  --border-subtle: var(--color-navy-700);

  --brand-gold: var(--color-gold-400);
  --brand-gold-soft: var(--color-gold-900);

  --color-danger: var(--color-red-400);
  --color-success: var(--color-green-400);
  --color-accent: var(--color-blue-400);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 24px var(--brand-gold-soft);
}