/* ============================================
   DESIGN TOKENS
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

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

    /* Colors - Core */
    --color-white: #ffffff;
    --color-black: #111111;
    --color-true-black: #000000;
    --color-accent: #2DD4BF;
    --color-accent-hover: #14B8A6;

    /* Colors - Neutrals */
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;

    /* Spacing (4px base) */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;
    --space-24: 96px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 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, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12), 0 8px 16px rgba(0, 0, 0, 0.06);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Layout */
    --header-height: 72px;
    --max-width: 1200px;
    --page-padding: 5%;
}

:root[data-theme="dark"] {
    --color-white: #121214;
    --color-black: #f5f5f7;
    --color-gray-50: #1a1a1c;
    --color-gray-100: #1f1f22;
    --color-gray-200: #2a2a2e;
    --color-gray-300: #3a3a3f;
    --color-gray-400: #6b6b72;
    --color-gray-500: #a0a0a6;
    --color-gray-600: #b8b8be;
    --color-gray-700: #d4d4da;
    --color-gray-800: #e8e8ec;
    --color-gray-900: #f5f5f7;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.45), 0 1px 3px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5), 0 4px 8px rgba(0, 0, 0, 0.35);
    --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.55), 0 8px 16px rgba(0, 0, 0, 0.4);
}

body {
    transition: background-color var(--transition-base), color var(--transition-base);
}