/* TOC block */
.toc {
    background: var(--color-card-bg);
    border-radius: var(--radius-card);
    padding: var(--space-card-padding);
}
.toc__toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--color-white);
    font-weight: var(--font-weight-bold);
    font-size: 1.05rem;
}
.toc__arrow { flex-shrink: 0; transition: transform var(--transition-base); color: var(--color-heading-gold); }
.toc__toggle[aria-expanded="true"] .toc__arrow { transform: rotate(180deg); }

.toc__list {
    display: grid;
    gap: 0.6rem;
    margin-block-start: 1rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}
.toc[data-open="true"] .toc__list {
    max-height: 40rem;
}
.toc__item .toc__link {
    display: block;
    padding: 0.35rem 0;
    color: var(--color-text-main);
    font-size: 0.92rem;
    border-bottom: 1px dashed rgba(241, 244, 244, 0.1);
}
.toc__item:last-child .toc__link { border-bottom: none; }
.toc__link:hover { color: var(--color-heading-gold); }

@media (min-width: 768px) {
    .toc__list { margin-block-start: 1rem; }
}