/* ============================================================
   GENERIC · FOCUS
   Universal focus ring. Always cyan, always glows.
   Birren: focus is signal — saturate it.
   ============================================================ */

:focus { outline: none; }

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  box-shadow: var(--glow-cyan);
}

::selection {
  background: color-mix(in srgb, var(--color-primary) 50%, transparent);
  color: var(--color-text-strong);
}