.collapse {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  transition: grid-template-rows var(--ac-transition-normal), opacity var(--ac-transition-normal);
  opacity: 0;
}

.collapse[data-state="open"] {
  grid-template-rows: 1fr;
  opacity: 1;
}

.inner {
  min-height: 0;
}

@media (prefers-reduced-motion: reduce) {
  .collapse {
    transition: none;
  }
}