@layer reset, tokens, base, components, utilities, overrides;

/* CSS Custom Properties - Default Theme */
@layer tokens {
:root {
  /* Primary brand color */
  --color-primary: #3b82f6;
  --color-primary-light: #60a5fa;
  --color-primary-dark: #2563eb;

  /* Semantic colors */
  --color-text: #1f2937;
  --color-text-muted: #6b7280;
  --color-background: #ffffff;
  --color-surface: #f9fafb;
  --color-border: #e5e7eb;

  /* Status colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;

  /* Article/Content background (for readability over decorative backgrounds) */
  --article-bg: var(--color-background);
  --article-bg-opacity: 0.95;
  --article-blur: 0px;
  --article-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);

  /* Font families */
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: var(--font-body);
  --font-mono: ui-monospace, 'Cascadia Code', 'Fira Code', 'JetBrains Mono', Consolas, monospace;

  /* Font sizes (modular 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;

  /* Line heights */
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;

  /* 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-12: 3rem;
  --space-16: 4rem;

  /* Layout */
  --content-width: 65ch;
  --content-max-width: var(--content-width);
  --page-width: 1200px;
  --grid-max-width: 1400px;
  --radius: 0.375rem;
  --radius-lg: 0.5rem;

  /* Article reading progress indicator */
  --article-progress-height: 4px;
  --article-progress-track: color-mix(in srgb, var(--color-text) 90%, transparent 60%);
  --article-progress-start: var(--color-primary);
  --article-progress-end: color-mix(in srgb, var(--color-primary) 40%, var(--color-primary-light, var(--color-primary)) 60%);
  --article-progress-glow: color-mix(in srgb, var(--color-primary) 70%, transparent 50%);

  /* Accent gradients */
  --gradient-accent: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  --gradient-vibrant: linear-gradient(135deg, #667eea, #764ba2, #f093fb);
  --gradient-warm: linear-gradient(135deg, #f093fb, #f5576c, #f8b500);
  --gradient-cool: linear-gradient(135deg, #4facfe, #00f2fe);
  --gradient-sunset: linear-gradient(135deg, #fa709a, #fee140);
  --gradient-ocean: linear-gradient(135deg, #2193b0, #6dd5ed);

  /* Palette-specific gradients */
  --gradient-catppuccin: linear-gradient(135deg, #cba6f7, #f5c2e7, #f38ba8);
  --gradient-nord: linear-gradient(135deg, #88c0d0, #81a1c1, #5e81ac);
  --gradient-dracula: linear-gradient(135deg, #bd93f9, #ff79c6, #8be9fd);
  --gradient-gruvbox: linear-gradient(135deg, #fabd2f, #fe8019, #fb4934);
  --gradient-rose-pine: linear-gradient(135deg, #c4a7e7, #ebbcba, #f6c177);
  --gradient-solarized: linear-gradient(135deg, #268bd2, #2aa198, #859900);
  --gradient-tokyo-night: linear-gradient(135deg, #7aa2f7, #bb9af7, #f7768e);

  /* Media border settings */
  --media-border-width: 3px;
  --media-border-style: solid;
  --media-border-color: var(--color-border);
  --media-border-gradient: none;
  --media-border-radius: var(--radius-lg);

}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --color-text: #f9fafb;
    --color-text-muted: #9ca3af;
    --color-background: #111827;
    --color-surface: #1f2937;
    --color-border: #374151;

    /* Darker article shadow for dark mode */
    --article-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --article-progress-track: color-mix(in srgb, var(--color-background) 65%, white 35%);
    --article-progress-glow: color-mix(in srgb, var(--color-primary) 50%, transparent 60%);
  }
}
}