/* assets/css/tokens.css */

@layer tokens {
  :root {
    /* Brand Colors (Light Theme Defaults) */
    --color-primary: #4f46e5;
    --color-primary-hover: #4338ca;
    --color-secondary: #ec4899;
    --color-secondary-hover: #db2777;
    --color-accent: #06b6d4;
    --color-accent-hover: #0891b2;
    --color-link: #4338ca;

    /* Semantic Structure */
    --color-bg-base: #f8fafc;
    --color-bg-surface: #ffffff;
    --color-bg-elevated: #ffffff;
    --color-header-bg: rgba(255, 255, 255, 0.8);
    --color-border: #e2e8f0;

    /* Typography Colors */
    --color-text-main: #0f172a;
    --color-text-muted: #64748b;
    --color-text-inverse: #ffffff;

    /* Compatibility Mappings */
    --color-text-default: var(--color-text-main);
    --color-text-secondary: var(--color-text-muted);
    --color-base-bg: var(--color-bg-base);
    --color-content-bg: var(--color-bg-surface);
    --site-font-family: var(--font-body);

    /* State & Utility Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;

    /* Spacing Scale */
    --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;

    /* Spacing Scale Aliases (supporting Tailwind conversion) */
    --spacing-1: var(--space-1);
    --spacing-2: var(--space-2);
    --spacing-3: var(--space-3);
    --spacing-4: var(--space-4);
    --spacing-6: var(--space-6);
    --spacing-8: var(--space-8);
    --spacing-12: var(--space-12);
    --spacing-16: var(--space-16);

    /* Borders & Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --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 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

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

    /* Glassmorphism Primitives */
    --glass-blur: 12px;
    --glass-bg: color-mix(in srgb, var(--color-bg-surface) 80%, transparent);
    --glass-border: color-mix(in srgb, var(--color-text-main) 10%, transparent);
  }

  /* Dark Theme */
  .dark,
  :root[data-theme="dark"] {
    --color-primary: #818cf8;
    --color-primary-hover: #6366f1;
    --color-secondary: #f472b6;
    --color-secondary-hover: #ec4899;
    --color-accent: #22d3ee;
    --color-accent-hover: #06b6d4;
    --color-link: #818cf8;

    --color-bg-base: #0b0f19;
    --color-bg-surface: #151c2c;
    --color-bg-elevated: #1e293b;
    --color-header-bg: rgba(21, 28, 44, 0.85);
    --color-border: #1e293b;

    --color-text-main: #f8fafc;
    --color-text-muted: #94a3b8;

    --glass-bg: color-mix(in srgb, var(--color-bg-surface) 75%, transparent);
    --glass-border: color-mix(in srgb, var(--color-text-main) 8%, transparent);
  }

  /* Midnight Theme */
  .midnight,
  :root[data-theme="midnight"] {
    --color-primary: #60a5fa;
    --color-primary-hover: #3b82f6;
    --color-secondary: #c084fc;
    --color-secondary-hover: #a855f7;
    --color-accent: #22d3ee;
    --color-accent-hover: #06b6d4;

    --color-bg-base: #080b11;
    --color-bg-surface: #0f1524;
    --color-bg-elevated: #182236;
    --color-header-bg: rgba(15, 21, 36, 0.85);
    --color-border: #162033;

    --color-text-main: #e2e8f0;
    --color-text-muted: #94a3b8;

    --glass-bg: color-mix(in srgb, var(--color-bg-surface) 70%, transparent);
    --glass-border: color-mix(in srgb, var(--color-text-main) 10%, transparent);
  }

  /* Sepia Theme */
  .sepia,
  :root[data-theme="sepia"] {
    --color-primary: #9a3412;
    --color-primary-hover: #7c2d12;
    --color-secondary: #b45309;
    --color-secondary-hover: #92400e;
    --color-accent: #0d9488;
    --color-accent-hover: #0f766e;

    --color-bg-base: #f5efe6;
    --color-bg-surface: #faf8f5;
    --color-bg-elevated: #fdfbf7;
    --color-header-bg: rgba(245, 239, 230, 0.9);
    --color-border: #e6dcce;

    --color-text-main: #372f2f;
    --color-text-muted: #5c4e4e;

    --glass-bg: color-mix(in srgb, var(--color-bg-surface) 90%, transparent);
    --glass-border: color-mix(in srgb, var(--color-text-main) 12%, transparent);
  }

  /* High Contrast Theme */
  .high-contrast,
  :root[data-theme="high-contrast"] {
    --color-primary: #ffff00;
    --color-primary-hover: #ffffff;
    --color-secondary: #00ffff;
    --color-secondary-hover: #ffffff;
    --color-accent: #ff00ff;
    --color-accent-hover: #ffffff;
    --color-link: #ffff00;

    --color-bg-base: #000000;
    --color-bg-surface: #000000;
    --color-bg-elevated: #000000;
    --color-header-bg: #000000;
    --color-border: #ffffff;

    --color-text-main: #ffff00;
    --color-text-muted: #ffffff;
    --color-text-inverse: #000000;

    --glass-bg: #000000;
    --glass-border: #ffffff;
  }
}