/* Design Tokens - Based on Design System */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,600;0,9..144,700;1,9..144,400&family=Inter:wght@400;500;600&family=JetBrains+Mono&display=swap');

:root {
  /* ===== COLOR PALETTE ===== */

  /* Primary - Imperial Violet (Hue 280) */
  --color-primary-50: #faf5ff;
  --color-primary-100: #f3e8ff;
  --color-primary-200: #e9d5ff;
  --color-primary-300: #d8b4fe;
  --color-primary-400: #c084fc;
  --color-primary-500: #9852F2;
  --color-primary-600: #7c3aed;
  --color-primary-700: #6d28d9;
  --color-primary-800: #5b21b6;
  --color-primary-900: #4c1d95;

  /* Accent - Teal Growth (Hue 170) */
  --color-accent-50: #f0fdfa;
  --color-accent-100: #ccfbf1;
  --color-accent-200: #99f6e4;
  --color-accent-300: #5eead4;
  --color-accent-400: #2dd4bf;
  --color-accent-500: #14B8A6;
  --color-accent-600: #0d9488;
  --color-accent-700: #0f766e;
  --color-accent-800: #115e59;
  --color-accent-900: #134e4a;

  /* Neutral - Warm Slate with purple tint */
  --color-neutral-50: #f9fafb;
  --color-neutral-100: #f3f4f6;
  --color-neutral-200: #e5e7eb;
  --color-neutral-300: #d1d5db;
  --color-neutral-400: #9ca3af;
  --color-neutral-500: #6b7280;
  --color-neutral-600: #4b5563;
  --color-neutral-700: #374151;
  --color-neutral-800: #1f2937;
  --color-neutral-900: #111827;

  /* Semantic Colors */
  --color-success-50: #f0fdf4;
  --color-success-500: #22c55e;
  --color-success-700: #15803d;

  --color-warning-50: #fffbeb;
  --color-warning-500: #f59e0b;
  --color-warning-700: #b45309;

  --color-error-50: #fef2f2;
  --color-error-500: #ef4444;
  --color-error-700: #b91c1c;

  --color-info-50: #eff6ff;
  --color-info-500: #3b82f6;
  --color-info-700: #1d4ed8;

  /* ===== TYPOGRAPHY ===== */

  /* Font Families */
  --font-heading: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Font Sizes with fluid scaling */
  --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --font-size-sm: clamp(0.875rem, 0.825rem + 0.25vw, 1rem);
  --font-size-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --font-size-lg: clamp(1.125rem, 1.05rem + 0.375vw, 1.25rem);
  --font-size-xl: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --font-size-2xl: clamp(1.5rem, 1.35rem + 0.75vw, 1.875rem);
  --font-size-3xl: clamp(1.875rem, 1.65rem + 1.125vw, 2.25rem);
  --font-size-4xl: clamp(2.25rem, 1.95rem + 1.5vw, 3rem);
  --font-size-5xl: clamp(3rem, 2.55rem + 2.25vw, 3.75rem);

  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;

  /* ===== SPACING SYSTEM (4px base) ===== */
  --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 */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */

  /* ===== BORDER RADIUS ===== */
  --radius-sm: 0.25rem;   /* 4px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-2xl: 1.5rem;   /* 24px */
  --radius-full: 9999px;

  /* ===== SHADOWS ===== */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* ===== ANIMATIONS ===== */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* ===== BREAKPOINTS ===== */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;

  /* ===== Z-INDEX SCALE ===== */
  --z-base: 0;
  --z-dropdown: 1000;
  --z-sticky: 1100;
  --z-fixed: 1200;
  --z-modal-backdrop: 1300;
  --z-modal: 1400;
  --z-popover: 1500;
  --z-tooltip: 1600;
}

/* Dark Mode */
[data-theme="dark"] {
  --color-neutral-50: #111827;
  --color-neutral-100: #1f2937;
  --color-neutral-200: #374151;
  --color-neutral-300: #4b5563;
  --color-neutral-400: #6b7280;
  --color-neutral-500: #9ca3af;
  --color-neutral-600: #d1d5db;
  --color-neutral-700: #e5e7eb;
  --color-neutral-800: #f3f4f6;
  --color-neutral-900: #f9fafb;

  /* Adjust shadows for dark mode */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}