:root {
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #e0e7ff;
  --color-background: #f5f5f5;
  --color-surface: #ffffff;
  --color-text: #333333;
  --color-text-muted: #666666;
  --color-text-light: #888888;
  --color-border: #dddddd;
  --color-border-light: #eeeeee;
  --color-success: #16a34a;
  --color-error: #dc2626;
  --color-navbar-bg: #2563eb;
  --color-navbar-text: #ffffff;
  --layout-max-width: 1200px;
  --layout-border-radius: 8px;
  --layout-border-radius-sm: 4px;
  --layout-spacing: 1.5rem;
  --layout-spacing-sm: 1rem;
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-xs: 0.75rem;
  --font-size-lg: 1.2rem;
  --font-size-xl: 2.5rem;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --heat-1: rgba(37, 99, 235, 0.06);
  --heat-2: rgba(37, 99, 235, 0.12);
  --heat-3: rgba(37, 99, 235, 0.20);
  --heat-4: rgba(37, 99, 235, 0.30);
  --color-error-bg: #fee2e2;
  --color-success-bg: #dcfce7;
  --color-input-bg: #ffffff;
}

[data-theme="dark"] {
  --color-primary: #bb86fc;
  --color-primary-hover: #d4a5ff;
  --color-primary-light: rgba(187, 134, 252, 0.20);
  --color-background: #000000;
  --color-surface: #1a1a1a;
  --color-text: #f5f5f5;
  --color-text-muted: #c0c0c0;
  --color-text-light: #999999;
  --color-border: rgba(255, 255, 255, 0.20);
  --color-border-light: rgba(255, 255, 255, 0.12);
  --color-success: #4ade80;
  --color-error: #f87171;
  --color-navbar-bg: #1a1a1a;
  --color-navbar-text: #f5f5f5;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.5);
  --heat-1: rgba(187, 134, 252, 0.15);
  --heat-2: rgba(187, 134, 252, 0.28);
  --heat-3: rgba(187, 134, 252, 0.42);
  --heat-4: rgba(187, 134, 252, 0.50);
  --color-error-bg: rgba(248, 113, 113, 0.25);
  --color-success-bg: rgba(74, 222, 128, 0.25);
  --color-input-bg: #2a2a2a;
}