/*
 * ChiChi accordion — native <details>/<summary> base, enhanced via accordion.js.
 * Attach data-chichi-accordion on a wrapper; optional data-accordion="single".
 */

.chichi-accordion {
  display: flex;
  flex-direction: column;
}

.chichi-accordion__item {
  border-top: 1px solid var(--color-black-30);
}

.chichi-accordion__item:last-child {
  border-bottom: 1px solid var(--color-black-30);
}

.chichi-accordion__summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  list-style: none;
  padding: 20px 0;
  color: var(--color-black);
}

.chichi-accordion__summary::-webkit-details-marker {
  display: none;
}

.chichi-accordion__summary:focus {
  outline: none;
}

.chichi-accordion__summary:focus-visible {
  outline: 2px solid var(--color-pink);
  outline-offset: 4px;
}

.chichi-accordion__icon {
  flex-shrink: 0;
  position: relative;
  width: 24px;
  height: 24px;
  margin-top: 2px;
  color: var(--color-pink);
  transition: transform 450ms cubic-bezier(0.4, 0, 0.2, 1);
}

.chichi-accordion__icon::before {
  content: "+";
  display: block;
  font-family: var(--font-sans);
  font-size: 28px;
  font-weight: 400;
  line-height: 24px;
  text-align: center;
}

.chichi-accordion__item[open] .chichi-accordion__icon,
.chichi-accordion__item.is-open .chichi-accordion__icon {
  transform: rotate(45deg);
}

/* Panel — native open state (no JS / reduced motion) */
.chichi-accordion__panel {
  overflow: hidden;
}

.chichi-accordion__panel-inner {
  padding-bottom: 24px;
}

/* JS-enhanced height animation */
.chichi-accordion__item--enhanced .chichi-accordion__panel {
  height: 0;
  overflow: hidden;
  transition: height 450ms cubic-bezier(0.4, 0, 0.2, 1);
}

.chichi-accordion__item--enhanced.is-open .chichi-accordion__panel,
.chichi-accordion__item--enhanced[open]:not(.is-closing) .chichi-accordion__panel {
  /* height set inline during animation, then auto */
}

.chichi-accordion__item--enhanced .chichi-accordion__panel-inner {
  opacity: 0;
  transform: translateY(-4px);
  transition:
    opacity 450ms cubic-bezier(0.4, 0, 0.2, 1),
    transform 450ms cubic-bezier(0.4, 0, 0.2, 1);
}

.chichi-accordion__item--enhanced.is-open .chichi-accordion__panel-inner {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0ms;
}

.chichi-accordion__item--enhanced.is-closing .chichi-accordion__panel-inner {
  opacity: 0;
  transform: translateY(-4px);
  transition-delay: 0ms;
}

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

  .chichi-accordion__item--enhanced .chichi-accordion__panel {
    transition: none;
  }

  .chichi-accordion__item--enhanced .chichi-accordion__panel-inner {
    opacity: 1;
    transform: none;
    transition: none;
  }
}