/*
 * TableOfContents component — nested in-page navigation built by table_of_contents_controller.js.
 *
 * Classes: .table-of-contents, .table-of-contents__header, .table-of-contents__title,
 * .table-of-contents__toggle, .table-of-contents__list
 * See docs/custom-css.md
 */

 .table-of-contents {
    margin-block: var(--spacing-block, 1.5rem);
}

.table-of-contents__header {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: flex-start;
    gap: 0.5rem 1rem;
    margin-bottom: 0.75rem;
}

.table-of-contents__title {
    margin: 0;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-muted, #6c757d);
}

.table-of-contents__toggle {
    padding:0.2em 0.5em;
    font-size: 0.875rem;
    color: var(--brand-colour-link-dark);
    font-weight:400;

    cursor: pointer;
}

.table-of-contents__toggle:hover,
.table-of-contents__toggle:focus-visible {
    text-decoration: none;
}

.table-of-contents__list {
    margin: 0;
    padding-left: 2em;

    & .table-of-contents__list {
        margin-top:1em;
    }
}

.table-of-contents__list li {
    line-height:15px;
}

.table-of-contents__list .table-of-contents__list {
    padding-left: 1rem;
    border-left: 1px solid var(--border-subtle, rgba(0, 0, 0, 0.1));
}

.table-of-contents__list a {
    display: inline-block;
    padding-block: 0.2rem;
    color: var(--brand-colour-link-dark);
    text-decoration: none;
}

.table-of-contents__list a:hover,
.table-of-contents__list a:focus-visible {
    text-decoration: underline;
}

main :is(h2, h3, h4, h5, h6) {
    scroll-margin-top: 1.5rem;
}