:root {
  /* Light Theme (Default) */
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary-color: #7c3aed;
  --accent-color: #3b82f6;
  
  --text-primary: #1f2937;
  --text-secondary: #4b5563;
  --text-light: #9ca3af;
  
  --bg-primary: #ffffff;
  --bg-secondary: #f3f4f6;
  --bg-tertiary: #e5e7eb;
  
  --card-bg: #ffffff;
  --footer-bg: #111827;
  --header-bg: rgba(255, 255, 255, 0.95);
  
  --border-color: #e5e7eb;
  --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);
  
  --transition: all 0.3s ease;
  --border-radius: 8px;
}

[data-theme="dark"] {
  /* Dark Theme */
  --primary-color: #3b82f6;
  --primary-dark: #2563eb;
  --secondary-color: #8b5cf6;
  --accent-color: #60a5fa;
  
  --text-primary: #f3f4f6;
  --text-secondary: #d1d5db;
  --text-light: #9ca3af;
  
  --bg-primary: #111827;
  --bg-secondary: #1f2937;
  --bg-tertiary: #374151;
  
  --card-bg: #1f2937;
  --footer-bg: #030712;
  --header-bg: rgba(17, 24, 39, 0.95);
  
  --border-color: #374151;
  --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);
}