/* ==========================================================================
   toc.css — BEM: toc, toc__*
   ========================================================================== */

.toc {
  background: var(--color-bg-dark);
  border-radius: var(--radius-card);
  margin-block: var(--section-gap);
  overflow: hidden;
}

.toc__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--card-padding);
  color: var(--color-heading-gold);
}

.toc__title {
  font-weight: var(--fw-bold);
  font-size: var(--fs-h3);
}

.toc__arrow {
  transition: transform var(--transition-base);
}

.toc[data-open="true"] .toc__arrow {
  transform: rotate(180deg);
}

.toc__nav {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.toc[data-open="true"] .toc__nav {
  max-height: 1000px;
}

.toc__list {
  display: flex;
  flex-direction: column;
  padding: 0 var(--card-padding) var(--card-padding);
}

.toc__list li + li {
  margin-top: 4px;
}

.toc__list a {
  display: block;
  padding: 10px 12px;
  border-radius: 4px;
  font-size: var(--fs-small);
  color: var(--color-text-main);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.toc__list a:hover,
.toc__list a:focus-visible {
  background: rgba(255, 194, 31, 0.08);
  color: var(--color-heading-gold);
}

/* Состояние "раскрыт" на >=768px управляется JS (data-open="true" по умолчанию) */