/* Extra styles for HCHS browse indexes */
.hchs-index-list {
    columns: 1;
    column-gap: 2rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

@media (min-width: 700px) {
    .hchs-index-list {
        columns: 2;
    }
}

.hchs-index-list li {
    break-inside: avoid;
    margin: 0 0 0.65rem;
    padding-bottom: 0.65rem;
    border-bottom: 1px solid var(--hchs-line);
}

.hchs-index-list .meta {
    display: block;
    font-size: 0.85rem;
    color: var(--hchs-muted);
}

.hchs-era {
    margin: 1.5rem 0;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--hchs-line);
}

.hchs-era h3 {
    margin-bottom: 0.35rem;
}

.hchs-era .years {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--hchs-accent);
    margin: 0 0 0.5rem;
}

.hchs-ext-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    margin: 0.75rem 0 0;
    padding: 0;
    list-style: none;
    font-size: 0.92rem;
}

.hchs-chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0 1.5rem;
}

.hchs-chip-row a {
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--hchs-line);
    background: #fff;
    color: var(--hchs-forest-deep);
}

.hchs-chip-row a:hover {
    border-color: var(--hchs-forest);
}

.hchs-timeline-sample {
    font-size: 0.95rem;
}

.hchs-timeline-sample dt {
    font-weight: 700;
    color: var(--hchs-forest-deep);
    margin-top: 0.65rem;
}

.hchs-timeline-sample dd {
    margin: 0.15rem 0 0;
    color: var(--hchs-ink);
}