/* CSS Custom Properties for theming */

:root {
  /* Colors - Light Mode */
  --color-bg: #ffffff;
  --color-bg-secondary: #f8f9fa;
  --color-text: #1a1a1a;
  --color-text-secondary: #666666;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-border: #e5e7eb;
  --color-code-bg: #f3f4f6;
  
  /* Header colors - Option 2: Mint */
  --color-header-bg: #d1fae5;
  --color-header-border: #a7f3d0;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;
  
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* Layout */
  --max-width: 1200px;
  --content-width: 900px;
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* 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);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0d1f26;
    --color-bg-secondary: #14303a;
    --color-text: #f1f5f9;
    --color-text-secondary: #cbd5e1;
    --color-accent: #3b82f6;
    --color-accent-hover: #60a5fa;
    --color-border: #1e4652;
    --color-code-bg: #14303a;
    
    /* Header colors - Dark Cyan */
    --color-header-bg: #164e63;
    --color-header-border: #0e7490;
  }
}

/* Manual dark mode toggle */
[data-theme="dark"] {
  --color-bg: #0d1f26;
  --color-bg-secondary: #14303a;
  --color-text: #f1f5f9;
  --color-text-secondary: #cbd5e1;
  --color-accent: #3b82f6;
  --color-accent-hover: #60a5fa;
  --color-border: #1e4652;
  --color-code-bg: #14303a;
  
  /* Header colors - Dark Cyan */
  --color-header-bg: #164e63;
  --color-header-border: #0e7490;
}

[data-theme="light"] {
  --color-bg: #ffffff;
  --color-bg-secondary: #f8f9fa;
  --color-text: #1a1a1a;
  --color-text-secondary: #666666;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-border: #e5e7eb;
  --color-code-bg: #f3f4f6;
  
  /* Header colors - Option 2: Mint */
  --color-header-bg: #d1fae5;
  --color-header-border: #a7f3d0;
}