/* Border-led. Resting card: no shadow. On dark: ink-border + top highlight instead of shadow.
   Shadows carry the graphite undertone, not flat black. */
:root{
  --border-1:1px solid var(--border-default);
  --border-strong-1:1px solid var(--border-strong);
  --border-ink-1:1px solid var(--ink);
  --border-dark:1px solid var(--ink-border);
  --shadow-none:none;
  --shadow-menu:0 8px 24px rgba(19,19,21,.14);
  --shadow-sheet:0 -8px 32px rgba(19,19,21,.16);
  --shadow-dialog:0 24px 64px rgba(19,19,21,.18);
  --inset-highlight:inset 0 1px 0 var(--ink-highlight);
  --focus-ring:2px solid var(--ink);
  --focus-ring-dark:2px solid var(--white);
  --focus-offset:2px;
}