/* ── Tessera Mobility · Radius ─────────────────────────────────────────────
   Derived from the tessera mark: soft outer corners, crisp seam-cuts.
   --radius-xs mirrors the mark's cut corner; --radius-tile / --radius-app
   match the symbol and app-icon geometry. */
:root {
  --radius-xs:   3px;   /* seam-cut corners, chips */
  --radius-sm:   6px;   /* cards, inputs, buttons */
  --radius-md:   10px;  /* larger surfaces */
  --radius-tile: 16px;  /* the tessera tile */
  --radius-app:  24px;  /* app icon */
  --radius-pill: 999px;
}