/* ==========================================================================
   toc block (quick navigation)
   ========================================================================== */

.toc {
    padding-block: 24px;
}

.toc__card {
    background: var(--color-card-bg);
    border-radius: var(--radius-input);
    padding: 20px 24px;
}

.toc__toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    color: var(--color-white);
    font-size: 1.0625rem;
    font-weight: var(--font-weight-semibold);
}

.toc__arrow {
    color: var(--color-heading-accent);
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.toc__toggle[aria-expanded="true"] .toc__arrow {
    transform: rotate(180deg);
}

.toc__list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: 16px;
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}

.toc__list li a {
    display: block;
    padding: 9px 4px;
    color: var(--color-text-main);
    font-size: 0.9375rem;
    border-bottom: 1px solid rgba(169, 185, 182, 0.12);
    transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.toc__list li:last-child a {
    border-bottom: none;
}

.toc__list li a:hover,
.toc__list li a:focus-visible {
    color: var(--color-heading-accent);
    padding-left: 8px;
}