/* accordion.css — extracted from accordion.html */
/* Accordion.css */
.accordion {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.accordion__item {
  border-bottom: 1px solid var(--color-border);
}

.accordion__item:last-child {
  border-bottom: none;
}

.accordion__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-4) var(--space-5);
  background-color: var(--color-surface);
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  transition: background-color var(--duration-fast) var(--ease-default);
}

.accordion__header:hover {
  background-color: var(--color-bg-subtle);
}

.accordion__header:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.accordion__icon {
  width: 20px;
  height: 20px;
  transition: transform var(--duration-normal) var(--ease-default);
  color: var(--color-text-secondary);
}

.accordion__item--open .accordion__icon {
  transform: rotate(180deg);
}

.accordion__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-normal) var(--ease-default);
}

.accordion__body {
  padding: var(--space-4) var(--space-5);
  background-color: var(--color-bg-subtle);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

/* 带边框变体 */
.accordion--bordered {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.accordion--bordered .accordion__item {
  border-bottom: 1px solid var(--color-border);
}

.accordion--bordered .accordion__header {
  background-color: transparent;
}

.accordion--bordered .accordion__body {
  background-color: transparent;
  border-top: 1px solid var(--color-border);
}

/* 禁用状态 */
.accordion__item--disabled .accordion__header {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 箭头图标 */
.accordion__arrow {
  width: 16px;
  height: 16px;
  border: solid var(--color-text-secondary);
  border-width: 0 2px 2px 0;
  padding: 3px;
  transform: rotate(45deg);
  transition: transform var(--duration-normal) var(--ease-default);
  margin-left: var(--space-2);
}

.accordion__item--open .accordion__arrow {
  transform: rotate(-135deg);
}