/**
 * Table of Contents — Blog Post TOC
 *
 * @package FederalLawyers
 */

/* ─── TOC Container ─── */
.article-toc {
    background: #f8f8f8;
    border: 1px solid #e0e0e0;
    padding: 0;
    margin-bottom: 2rem;
    max-width: 640px;
}

/* ─── Toggle Button / Title Row ─── */
.article-toc__toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1rem 1.25rem;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-primary);
    text-align: left;
    gap: 0.75rem;
    border-bottom: 1px solid #e0e0e0;
    transition: background 0.2s;
}

.article-toc__toggle:hover {
    background: rgba(0, 0, 0, 0.03);
}

.article-toc__toggle:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: -2px;
}

.article-toc__title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: #222;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.article-toc__arrow {
    flex-shrink: 0;
    color: #666;
    transition: transform 0.3s ease;
}

/* Collapsed state */
.article-toc--collapsed .article-toc__toggle {
    border-bottom-color: transparent;
}

.article-toc--collapsed .article-toc__arrow {
    transform: rotate(-90deg);
}

.article-toc--collapsed .article-toc__body {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    padding-top: 0;
    padding-bottom: 0;
}

/* ─── Body (collapsible area) ─── */
.article-toc__body {
    max-height: 2000px;
    overflow: hidden;
    opacity: 1;
    padding: 0.5rem 1.25rem 1rem;
    transition: max-height 0.4s ease, opacity 0.3s ease, padding 0.3s ease;
}

/* ─── List ─── */
.article-toc__list {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: toc-counter;
}

.article-toc__sublist {
    list-style: none;
    margin: 0;
    padding: 0 0 0 1.25rem;
}

/* ─── Items ─── */
.article-toc__item {
    margin: 0;
    padding: 0;
}

/* ─── Links ─── */
.article-toc__link {
    display: block;
    padding: 0.4rem 0.5rem;
    color: #444;
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-snug);
    border-left: 3px solid transparent;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.article-toc__link:hover {
    color: var(--color-accent);
    background: rgba(194, 109, 40, 0.05);
}

.article-toc__link:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: -2px;
}

/* Sub-level links (h3) */
.article-toc__link--sub {
    font-size: 0.8125rem;
    font-weight: var(--font-weight-regular);
    color: #666;
    padding: 0.3rem 0.5rem;
}

/* Active section highlight */
.article-toc__link--active {
    color: var(--color-accent);
    border-left-color: var(--color-accent);
    background: rgba(194, 109, 40, 0.06);
    font-weight: var(--font-weight-semibold);
}

/* Number prefix */
.article-toc__number {
    color: var(--color-accent);
    font-weight: var(--font-weight-semibold);
    font-size: 0.8125rem;
}

/* ─── Mobile ─── */
@media (max-width: 768px) {
    .article-toc {
        max-width: 100%;
    }

    .article-toc__link {
        font-size: 0.8125rem;
        padding: 0.35rem 0.4rem;
    }

    .article-toc__link--sub {
        font-size: 0.75rem;
    }

    .article-toc__title {
        font-size: 0.75rem;
    }
}

/* ─── Reduced motion ─── */
@media (prefers-reduced-motion: reduce) {
    .article-toc__body,
    .article-toc__arrow,
    .article-toc__link {
        transition: none;
    }
}