/* NTIS shape — radii and border widths. Theme-invariant.
   Controls 8 · cards, panels, modals 12 · pills for badges & the marketing
   search only. Separation is done by the hairline, not by elevation. */
:root{
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-pill: 999px;
  --radius-circle: 50%;

  --border-hairline: 1px;  /* nearly everything */
  --border-medium: 2px;    /* selected states only */
  --border-heavy: 3px;     /* tab bar, severity edge, gradient rule only */
}