/* CSS Custom Properties - Design Tokens */

:root {
  /* Colors - Light Theme */
  --color-primary: #2d5016;
  --color-primary-dark: #1a3009;
  --color-primary-light: #4a7a28;
  --color-secondary: #8b6914;
  --color-accent: #6b8e23;
  --color-yellow: #fbbf24;
  --color-yellow-light: #fde047;
  --color-yellow-dark: #f59e0b;
  --color-yellow-muted: #fef3c7;
  
  --color-background: #ffffff;
  --color-surface: #f8f9fa;
  --color-surface-elevated: #ffffff;
  --color-border: #e0e0e0;
  --color-border-light: #f0f0f0;
  
  --color-text: #1a1a1a;
  --color-text-secondary: #666666;
  --color-text-muted: #595959;
  --color-text-inverse: #ffffff;
  
  --color-success: #28a745;
  --color-warning: #ffc107;
  --color-error: #dc3545;
  --color-info: #17a2b8;
  
  /* Spacing Scale */
  --space-xs: 0.25rem;   /* 4px */
  --space-sm: 0.5rem;    /* 8px */
  --space-md: 1rem;      /* 16px */
  --space-lg: 1.5rem;    /* 24px */
  --space-xl: 2rem;      /* 32px */
  --space-2xl: 3rem;     /* 48px */
  --space-3xl: 4rem;     /* 64px */
  
  /* Typography */
  --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-heading: Georgia, 'Times New Roman', serif;
  
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 2rem;      /* 32px */
  --font-size-4xl: 2.5rem;    /* 40px */
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* Border Radius */
  --radius-sm: 0.25rem;   /* 4px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  
  /* Z-index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  
  /* Layout */
  --container-max-width: 1200px;
  --container-padding: var(--space-md);
  
  /* Breakpoints (for reference, used in media queries) */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
}

/* Dark Theme */
@media (prefers-color-scheme: dark) {
  :root {
  --color-primary: #6b8e23;
  --color-primary-dark: #4a7a28;
  --color-primary-light: #8fb347;
  --color-secondary: #b8860b;
  --color-accent: #8b9a3c;
  --color-yellow: #fbbf24;
  --color-yellow-light: #fde047;
  --color-yellow-dark: #f59e0b;
  --color-yellow-muted: #fef3c7;
    
    --color-background: #1a1a1a;
    --color-surface: #242424;
    --color-surface-elevated: #2d2d2d;
    --color-border: #404040;
    --color-border-light: #333333;
    
    --color-text: #e0e0e0;
    --color-text-secondary: #b0b0b0;
    --color-text-muted: #808080;
    --color-text-inverse: #1a1a1a;
    
    --color-success: #34ce57;
    --color-warning: #ffd54f;
    --color-error: #ef5350;
    --color-info: #26c6da;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
    --transition-base: 0ms;
    --transition-slow: 0ms;
  }
  
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}