/* ============================================
   L'Échiquier Dionysien - Design Tokens
   ============================================ */

:root {
  /* --- Colors --- */
  --color-bg-primary: #0a0a0a;
  --color-bg-secondary: #1a1118;
  --color-bg-card: #1c1520;
  --color-bg-card-hover: #241c28;
  --color-bg-elevated: #2a2030;

  --color-burgundy: #6b1d2a;
  --color-burgundy-light: #8b2e3d;
  --color-burgundy-dark: #4a1019;

  --color-gold: #c9a84c;
  --color-gold-light: #e0c56a;
  --color-gold-dark: #a08030;
  --color-gold-glow: rgba(201, 168, 76, 0.3);

  --color-cream: #f5f0e8;
  --color-cream-dim: #d4cfc7;
  --color-gray: #9a9a9a;
  --color-gray-dark: #555;
  --color-white: #ffffff;

  --color-success: #2d7a4f;
  --color-danger: #a83232;
  --color-draw: #7a7a2d;

  /* --- Typography --- */
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Fluid type scale (min 320px -> max 1200px) */
  --text-xs: clamp(0.7rem, 0.66rem + 0.2vw, 0.8rem);
  --text-sm: clamp(0.8rem, 0.74rem + 0.3vw, 0.9rem);
  --text-base: clamp(0.9rem, 0.84rem + 0.3vw, 1rem);
  --text-lg: clamp(1rem, 0.91rem + 0.45vw, 1.2rem);
  --text-xl: clamp(1.15rem, 1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.4rem, 1.15rem + 1.25vw, 2rem);
  --text-3xl: clamp(1.8rem, 1.4rem + 2vw, 2.8rem);
  --text-4xl: clamp(2.2rem, 1.6rem + 3vw, 3.8rem);
  --text-5xl: clamp(2.8rem, 1.8rem + 5vw, 5rem);

  --leading-tight: 1.15;
  --leading-normal: 1.6;
  --leading-relaxed: 1.8;

  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.05em;
  --tracking-widest: 0.12em;

  /* --- Spacing (4px base) --- */
  --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 */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */

  /* --- Layout --- */
  --container-max: 1200px;
  --container-narrow: 800px;
  --container-wide: 1400px;

  /* --- Borders --- */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  --border-subtle: 1px solid rgba(201, 168, 76, 0.15);
  --border-gold: 1px solid rgba(201, 168, 76, 0.4);
  --border-burgundy: 1px solid rgba(107, 29, 42, 0.5);

  /* --- Shadows --- */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-gold: 0 0 20px rgba(201, 168, 76, 0.2);
  --shadow-gold-lg: 0 0 40px rgba(201, 168, 76, 0.3);

  /* --- Transitions --- */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* --- Z-index --- */
  --z-behind: -1;
  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-loading: 500;
}