.accordion {
  --accordion-gap: 12px;
  --accordion-bg: var(--surface);
  --accordion-open-bg: var(--surface);
  --accordion-border-color: var(--border-color);
  --accordion-radius: var(--br-m);
  --accordion-trigger-pad-inline: 20px;
  --accordion-trigger-pad-block: 18px;
  --accordion-content-pad-inline: 20px;
  --accordion-content-pad-bottom: 20px;

  display: grid;
  gap: var(--accordion-gap);
}

.accordion__item {
  overflow: hidden;
  background: var(--accordion-bg);
  border: 1px solid var(--accordion-border-color);
  border-radius: var(--accordion-radius);
  transition:
    background-color var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.accordion__item.is-open {
  background: var(--accordion-open-bg);
  box-shadow: var(--box-shadow);
}

.accordion__heading {
  margin: 0;
  font: inherit;
}

.accordion__trigger {
  --btn-height: auto;
  --btn-pad-inline: var(--accordion-trigger-pad-inline);
  --btn-pad-block: var(--accordion-trigger-pad-block);
  --btn-radius: 0;
  --size: 18px;

  justify-content: space-between;
  width: 100%;

  color: var(--text-color);
  font-size: var(--accordion-title-size, 16px);
  font-weight: var(--accordion-title-weight, 600);
  line-height: 1.35;
  text-align: left;
  white-space: normal;
}

.accordion__trigger::after {
  margin-left: auto;
  transform: rotate(0deg);
  transform-origin: center;
  transition: transform var(--transition);
}

.accordion__trigger[aria-expanded="true"]::after {
  transform: rotate(45deg);
}

.accordion--chevron .accordion__trigger::after {
  transform: rotate(0deg);
}

.accordion--chevron .accordion__trigger[aria-expanded="true"]::after {
  transform: rotate(180deg);
}

.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  visibility: hidden;
  transition:
    grid-template-rows var(--accordion-duration, 0.3s) ease,
    visibility var(--accordion-duration, 0.3s);
}

.accordion__item.is-open .accordion__panel {
  grid-template-rows: 1fr;
  visibility: visible;
}

.accordion__panel-inner {
  min-height: 0;
  overflow: hidden;
}

.accordion__content {
  padding:
    0
    var(--accordion-content-pad-inline)
    var(--accordion-content-pad-bottom);

  color: var(--text-muted);
  line-height: 1.6;
}

.accordion__content > *:last-child {
  margin-bottom: 0;
}

@media (hover: hover) {
  .accordion__trigger:hover {
    color: var(--accent-color);
  }
}

@media (max-width: 768px) {
  .accordion {
    --accordion-gap: 8px;
    --accordion-trigger-pad-inline: 16px;
    --accordion-trigger-pad-block: 16px;
    --accordion-content-pad-inline: 16px;
    --accordion-content-pad-bottom: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .accordion__panel,
  .accordion__trigger::after {
    transition: none;
  }
}