/* Shared native disclosures retain their keyboard and open/closed behavior. */
summary.disclosure-summary {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

summary.disclosure-summary::marker { content: ''; }
summary.disclosure-summary::-webkit-details-marker { display: none; }

.disclosure-summary > .disclosure-chevron {
  width: 16px;
  height: 16px;
  flex: none;
  transition: transform 180ms ease;
}

details[open] > .disclosure-summary > .disclosure-chevron {
  transform: rotate(90deg);
}

@media (prefers-reduced-motion: reduce) {
  .disclosure-summary > .disclosure-chevron { transition: none; }
}