/* ============================================
   DESIGN TOKENS — BakerStreet AI
   ============================================ */

:root {
  /* === COLORS === */
  --color-primary-dark: #0a1628;
  --color-primary-mid: #121f36;
  --color-primary-light: #1a2d4a;
  --color-surface: #0e1a2e;
  --color-surface-elevated: #152238;

  --color-accent-gold: #d4a853;
  --color-accent-gold-light: #e8c476;
  --color-accent-gold-dim: #b8923f;

  --color-text-primary: #f0f0f0;
  --color-text-secondary: #a8b4c8;
  --color-text-muted: #6b7a94;

  --color-white: #ffffff;
  --color-black: #000000;

  --color-education: #4A7BF7;
  --color-education-dim: rgba(74, 123, 247, 0.15);
  --color-recommendation: #6BCB77;
  --color-recommendation-dim: rgba(107, 203, 119, 0.15);

  /* === TYPOGRAPHY === */
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Inter', system-ui, sans-serif;

  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.375rem);
  --text-xl: clamp(1.25rem, 1rem + 1.25vw, 1.75rem);
  --text-2xl: clamp(1.5rem, 1rem + 2.5vw, 2.5rem);
  --text-3xl: clamp(2rem, 1.2rem + 4vw, 3.5rem);
  --text-hero: clamp(2.5rem, 1.5rem + 5vw, 5rem);

  --leading-tight: 1.1;
  --leading-snug: 1.3;
  --leading-normal: 1.6;
  --leading-relaxed: 1.8;

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

  /* === SPACING (8px base) === */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* === LAYOUT === */
  --container-max: 1200px;
  --container-narrow: 800px;
  --container-wide: 1400px;
  --gutter: clamp(1rem, 3vw, 2rem);

  /* === BORDERS === */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* === SHADOWS === */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-gold: 0 4px 20px rgba(212, 168, 83, 0.15);

  /* === GLASS === */
  --glass-bg: rgba(21, 34, 56, 0.6);
  --glass-border: rgba(212, 168, 83, 0.15);
  --glass-blur: 20px;

  /* === TRANSITIONS === */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
}