:root {
  --surface-a: #ffffff;
  --surface-b: #efefef;
  --surface-c: #e9ecef;
  --surface-d: #dee2e6;
  --surface-e: #ffffff;
  --surface-f: #ffffff;
  --text-color: #212529;
  --text-color-secondary: #6c757d;
  --primary-color: #007bff;
  --primary-color-text: #ffffff;
  --font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol;
  --surface-0: #ffffff;
  --surface-50: #f9fafb;
  --surface-100: #f8f9fa;
  --surface-200: #e9ecef;
  --surface-300: #dee2e6;
  --surface-400: #ced4da;
  --surface-500: #adb5bd;
  --surface-600: #6c757d;
  --surface-700: #495057;
  --surface-800: #343a40;
  --surface-900: #212529;
  --gray-50: #f9fafb;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  --content-padding: 1.25rem;
  --inline-spacing: 0.5rem;
  --border-radius: 4px;
  --surface-ground: #efefef;
  --surface-section: #ffffff;
  --surface-card: #ffffff;
  --surface-overlay: #ffffff;
  --surface-border: #dee2e6;
  --surface-hover: #e9ecef;
  --focus-ring: 0 0 0 0.2rem rgba(38, 143, 255, 0.5);
  --maskbg: rgba(0, 0, 0, 0.4);
}