:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-400: #9ca3af;
  --gray-600: #4b5563;
  --gray-800: #1f2937;
  --error: #ef4444;
  --radius: 12px;
  --transition: 0.2s ease;
}