:root{
  --ui-color-brand:#d4001c;
  --ui-color-brand-hover:#b80018;
  --ui-color-success:#166534;
  --ui-color-text:#1f2933;
  --ui-color-heading:#000;
  --ui-color-muted:#6b7280;
  --ui-color-surface:#fff;
  --ui-color-page:#f3f3f3;
  --ui-color-border:#ddd;
  --ui-color-soft-border:#e5e7eb;
  --ui-radius-control:8px;
  --ui-radius-card:14px;
  --ui-control-height:42px;
  --ui-control-height-compact:48px;
  --ui-space-1:6px;
  --ui-space-2:10px;
  --ui-space-3:14px;
  --ui-space-4:18px;
  --ui-space-5:22px;
  --ui-space-6:28px;
  --ui-page-width:1100px;
  --ui-page-gutter:4%;
  --ui-shadow-card:0 8px 24px rgba(0,0,0,.07);
  --ui-shadow-menu:0 12px 24px rgba(0,0,0,.12);
  --ui-font:Arial,sans-serif;
}