/* ==========================================================================
   Design Tokens
   Single source of truth for colors, typography, spacing, and visual effects
   ========================================================================== */

:root {
  /* Font */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  /* Gray Scale */
  --color-white: #ffffff;
  --color-gray-50: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-400: #94a3b8;
  --color-gray-500: #64748b;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1e293b;
  --color-gray-900: #0f172a;

  /* Semantic Colors */
  --color-accent: #3b82f6;
  --color-accent-hover: #2563eb;
  --color-accent-light: rgba(59, 130, 246, 0.1);
  --color-accent-50: #eff6ff;
  --color-success: #10b981;
  --color-success-hover: #059669;
  --color-success-light: #dcfce7;
  --color-success-text: #166534;
  --color-warning: #f59e0b;
  --color-warning-hover: #d97706;
  --color-warning-light: #fef3c7;
  --color-warning-text: #92400e;
  --color-error: #ef4444;
  --color-error-hover: #dc2626;
  --color-error-light: #fef2f2;
  --color-error-text: #991b1b;
  --color-info: #3b82f6;
  --color-info-light: #dbeafe;
  --color-info-text: #1e40af;
  --color-star: #f59e0b;

  /* Typography Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 10px 25px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition: 200ms ease;
  --transition-slow: 350ms ease;

  /* Layout */
  --container-max: 1200px;
  --admin-container-max: 1400px;
  --header-height: 60px;
  --sidebar-width: 260px;
}