/* Same Slate attribution button as the status page, adapted to article tokens. */
.slate-link,
.site-header .slate-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 15px 0 11px;
  color: var(--text-secondary, CanvasText);
  border: 1px solid var(--border, color-mix(in srgb, CanvasText 22%, transparent));
  border-radius: 999px;
  background: var(--bg-surface, Canvas);
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0;
  white-space: nowrap;
  text-decoration: none;
}
.slate-link strong { color: var(--text-primary, CanvasText); font-weight: 750; }
.slate-link:hover { border-color: var(--text-secondary, CanvasText); }
.slate-link:focus-visible { outline: 2px solid var(--accent, currentColor); outline-offset: 3px; }
.slate-link .slate-mark { flex: none; display: block; margin: 0; }
.site-header .nav-links { align-items: center; gap: 1rem; }
.site-header.masthead .nav-links { position: static; justify-content: center; margin-top: .8rem; }
.calculator-nav { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.slate-credit-footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid color-mix(in srgb, currentColor 22%, transparent); font-size: .85rem; }
@media (max-width: 38rem) {
  .slate-link, .site-header .slate-link { width: 38px; padding: 0; justify-content: center; flex: none; }
  .slate-link span { display: none; }
  .site-header .nav-links { gap: .65rem; }
}