collapse.css

.collapse {
  @apply rounded-box w-full;
}
details.collapse {
  @apply w-full;
  & summary {
    @apply relative block;
    &::-webkit-details-marker {
      @apply hidden;
    }
  }
}

.collapse:focus-visible {
  @apply outline-base-content outline outline-2 outline-offset-2;
}
details.collapse summary {
  @apply outline-none;
}
.collapse:has(.collapse-title:focus-visible),
.collapse:has(> input[type="checkbox"]:focus-visible),
.collapse:has(> input[type="radio"]:focus-visible) {
  @apply outline-base-content outline outline-2 outline-offset-2;
}
.collapse-arrow > .collapse-title:after {
  @apply absolute block h-2 w-2 translate-y-[-100%] rotate-[45deg] transition-all ease-out;
  transition-duration: 0.2s;
  top: 1.9rem;
  inset-inline-end: 1.4rem;
  content: "";
  transform-origin: 75% 75%;
  box-shadow: 2px 2px;
  pointer-events: none;
}
.collapse-plus > .collapse-title:after {
  @apply absolute block h-2 w-2 transition-all duration-300 ease-out;
  top: 0.9rem;
  inset-inline-end: 1.4rem;
  content: "+";
  pointer-events: none;
}

.collapse:not(.collapse-open):not(.collapse-close) > input[type="checkbox"],
.collapse:not(.collapse-open):not(.collapse-close) > input[type="radio"]:not(:checked),
.collapse:not(.collapse-open):not(.collapse-close) > .collapse-title {
  @apply cursor-pointer;
}
.collapse:focus:not(.collapse-open):not(.collapse-close):not(.collapse[open]) > .collapse-title {
  cursor: unset;
}
.collapse-title {
  @apply relative;
}
:where(.collapse > input[type="checkbox"]),
:where(.collapse > input[type="radio"]) {
  z-index: 1;
}
.collapse-title,
:where(.collapse > input[type="checkbox"]),
:where(.collapse > input[type="radio"]) {
  @apply p-4 pe-12;
  min-height: 3.75rem;
  transition: background-color 0.2s ease-out;
}

.collapse-content {
  @apply px-4;
  cursor: unset;
  transition:
    padding 0.2s ease-out,
    background-color 0.2s ease-out;
}
.collapse[open] > :where(.collapse-content),
.collapse-open > :where(.collapse-content),
.collapse:focus:not(.collapse-close) > :where(.collapse-content),
.collapse:not(.collapse-close) > :where(input[type="checkbox"]:checked ~ .collapse-content),
.collapse:not(.collapse-close) > :where(input[type="radio"]:checked ~ .collapse-content) {
  @apply pb-4;
  transition:
    padding 0.2s ease-out,
    background-color 0.2s ease-out;
}

.collapse[open].collapse-arrow > .collapse-title:after,
.collapse-open.collapse-arrow > .collapse-title:after,
.collapse-arrow:focus:not(.collapse-close) > .collapse-title:after,
.collapse-arrow:not(.collapse-close) > input[type="checkbox"]:checked ~ .collapse-title:after,
.collapse-arrow:not(.collapse-close) > input[type="radio"]:checked ~ .collapse-title:after {
  @apply translate-y-[-50%] rotate-[225deg];
}
.collapse[open].collapse-plus > .collapse-title:after,
.collapse-open.collapse-plus > .collapse-title:after,
.collapse-plus:focus:not(.collapse-close) > .collapse-title:after,
.collapse-plus:not(.collapse-close) > input[type="checkbox"]:checked ~ .collapse-title:after,
.collapse-plus:not(.collapse-close) > input[type="radio"]:checked ~ .collapse-title:after {
  content: "−";
}