:root {
  /* Brand Colors */
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.4);
  --secondary: #10b981;
  
  /* Background Colors - Dark Mode Default */
  --bg-main: #0f172a;
  --bg-surface: #1e293b;
  --bg-glass: rgba(30, 41, 59, 0.7);
  --bg-glass-hover: rgba(30, 41, 59, 0.9);
  
  /* Text Colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Borders and Dividers */
  --border-color: rgba(255, 255, 255, 0.1);
  --border-glass: 1px solid rgba(255, 255, 255, 0.05);
  
  /* Status Colors */
  --error: #ef4444;
  --success: #10b981;
  --warning: #f59e0b;
  
  /* Typography */
  --font-main: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
}