:root {
  /* Light Theme Colors */
  --color-bg: #fff;
  --color-bg-secondary: #f8fafc;
  --color-bg-tertiary: #e2e8f0;
  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-border: #cbd5e1;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-accent: #059669;
  --color-accent-hover: #047857;
  --color-warning: #d97706;
  --color-error: #dc2626;
  
  /* Enhanced card type colors */
  --color-hosted: #7c3aed;
  --color-hosted-bg: #f3f0ff;
  --color-oss: #059669;
  --color-oss-bg: #ecfdf5;
  --color-method: #0891b2;
  --color-method-bg: #f0f9ff;
  --color-concept: #ea580c;
  --color-concept-bg: #fff7ed;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 5%);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 10%);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 10%);
  
  /* Transitions */
  --transition-fast: all 0.2s ease;
  --transition-medium: all 0.3s ease;
}

[data-theme="dark"] {
  --color-bg: #0f172a;
  --color-bg-secondary: #1e293b;
  --color-bg-tertiary: #334155;
  --color-text: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-border: #475569;
  --color-primary: #3b82f6;
  --color-primary-hover: #60a5fa;
  --color-accent: #10b981;
  --color-accent-hover: #34d399;
  --color-warning: #f59e0b;
  --color-error: #f87171;
  
  --color-hosted: #a855f7;
  --color-hosted-bg: #2e1065;
  --color-oss: #10b981;
  --color-oss-bg: #064e3b;
  --color-method: #0891b2;
  --color-method-bg: #164e63;
  --color-concept: #f97316;
  --color-concept-bg: #7c2d12;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 30%);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 40%);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 50%);
}