:root {
  /* Colors - Primary */
  --color-primary: #1e3a8a; /* Deep blue */
  --color-primary-light: #2563eb;
  --color-primary-dark: #1e40af;
  
  /* Colors - Accent */
  --color-accent: #0284c7; /* Vibrant cyan/blue */
  --color-accent-light: #38bdf8;
  
  /* Colors - Background */
  --color-bg: #f8fafc;
  --color-bg-surface: #ffffff;
  --color-bg-dark: #0f172a;
  
  /* Colors - Text */
  --color-text: #334155;
  --color-text-light: #64748b;
  --color-text-inverse: #f8fafc;
  --color-text-heading: #0f172a;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  /* 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), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);

  --glass-dark-bg: rgba(15, 23, 42, 0.7);
  --glass-dark-border: rgba(255, 255, 255, 0.08);

  /* Borders & Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;

  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease;
}