:root{
  --hairline:1px solid var(--border-hairline);
  --rule-accent:2px solid var(--border-accent);
  --placeholder-border:2px dashed var(--border-accent);
  --placeholder-border-neutral:2px dashed #B9B9B9; /* @kind other */

  --radius-none:0px;
  --radius-pill:999px;

  /* The brand uses no drop shadows: separation comes from fine rules and flat panels. */
  --shadow-none:none;
}