:root {
  --text-body: 16px;
  --text-section: 17px;
  --text-caption: 14px;
  --text-muted: #4B5563;
  --touch-min: 48px;
  --zone-upload: #007AFF;
  --zone-correct: #5856D6;
  --zone-export: #FF9500;
}