/* Epoch directory and reading view. Keep core information visible without JS. */
.epoch-index-label {
    color: #665442;
    font-size: 0.75rem;
    font-weight: 750;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.epoch-directory {
    max-width: 1080px;
    margin: 3.5rem auto 2rem;
}

.epoch-directory-heading {
    margin-bottom: 1rem;
    text-align: center;
}

.epoch-directory-heading h2 {
    font-family: "Playfair Display", Georgia, serif;
    font-size: clamp(1.9rem, 4vw, 2.7rem);
    line-height: 1.2;
    margin: 0;
}

.epoch-directory-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 2.5rem;
    list-style: none;
    padding: 0;
}

.epoch-directory-list > li { min-width: 0; }

.epoch-directory-link {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 1.25rem;
    align-items: center;
    gap: 1rem;
    height: 100%;
    min-height: 100px;
    padding: 1.2rem 0.6rem;
    border-top: 1px solid var(--border-strong);
    border-radius: 0;
    transition: background-color 150ms ease;
}

.epoch-directory-link:hover { background: #ece3d6; }
.epoch-directory-link:hover .epoch-directory-name { text-decoration: underline; text-underline-offset: 0.2em; }
.epoch-directory-copy { display: grid; gap: 0.25rem; min-width: 0; }
.epoch-directory-name { font-size: 1.2rem; font-weight: 700; line-height: 1.35; }
.epoch-directory-dates { color: var(--text-soft); font-size: 0.9rem; line-height: 1.45; }
.epoch-directory-arrow { color: var(--accent); font-size: 1.3rem; }

.home-shortcuts {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0 0.75rem;
    margin-top: 0.5rem;
}

.home-shortcut {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.45rem 0.2rem;
    border-bottom: 1px solid transparent;
    color: #473b30;
    font-size: 0.9rem;
    font-weight: 600;
}

.home-shortcut:hover { border-bottom-color: var(--accent); }
.home-search-stage .suggestions-box { background: #fffcf7; max-height: min(18rem, 45dvh); }
.home-search-stage .suggestion-item { min-height: 44px; padding: 0.65rem 0.8rem; }
.home-search-stage .suggestion-item .s-title { font-size: 0.95rem; line-height: 1.4; }
.home-search-stage .suggestion-item .s-sub { font-size: 0.8rem; line-height: 1.4; }
.home-search-stage.search-open .home-shortcuts { visibility: hidden; }

/* Home has one search field; optional navigation takes less vertical space. */
.site-header-home.site-header-readable .header-actions { display: flex; align-items: center; gap: 1rem; }
.site-header-home.site-header-readable .site-nav { border: 0; padding-top: 0; }
.home-menu-toggle { display: none; }
.site-header-home #home-navigation-panel[hidden] { display: none; }

body[data-page-type="epoch"] { background: #f6f1e9; }
body[data-page-type="epoch"]::before { display: none; }
.epoch-page .breadcrumbs { margin-bottom: 0; }
.epoch-page .epoch-hero { padding: 2.3rem 0 2rem; margin: 0; }
.epoch-page .page-title { font-size: clamp(2.4rem, 5vw, 3.8rem); line-height: 1.12; margin: 0.65rem 0; letter-spacing: -0.025em; }
.epoch-page .page-eyebrow { color: #665442; }
.epoch-page .page-subtitle { color: #5d5144; font-size: 1.05rem; margin: 0 0 0.75rem; }
.epoch-page .page-description { max-width: 70ch; color: #493f34; font-size: 1rem; line-height: 1.75; }
.epoch-hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem 1.5rem; margin-top: 1.25rem; }
.epoch-primary-link, .epoch-all-link { display: inline-flex; align-items: center; gap: 0.75rem; min-height: 44px; font-size: 0.95rem; font-weight: 650; }
.epoch-primary-link { padding: 0.65rem 1rem; color: #fffdf8; background: #4b3019; border-radius: 6px; }
.epoch-primary-link:hover { background: #684322; }
.epoch-all-link { text-decoration: underline; text-underline-offset: 0.25em; }

.epoch-layout { display: grid; grid-template-columns: 14rem minmax(0, 1fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; border-top: 1px solid var(--border-strong); padding-top: 2rem; }
.epoch-sidebar { position: sticky; top: var(--anchor-offset, 9rem); max-height: calc(100dvh - var(--anchor-offset, 9rem) - 1rem); overflow-y: auto; padding: 0.25rem 0.35rem 0.75rem; }
.epoch-contents h2 { font-size: 1rem; margin-bottom: 1rem; }
.epoch-contents .epoch-index-label { margin: 1.2rem 0 0.4rem; }
.epoch-contents ul, .epoch-switcher ul { list-style: none; padding: 0; }
.epoch-contents a, .epoch-switcher a { display: flex; align-items: center; min-height: 44px; padding: 0.55rem 0.7rem; border-left: 2px solid #d8cfc2; font-size: 0.9rem; line-height: 1.4; }
.epoch-contents a:hover, .epoch-switcher a:hover { background: #eae1d4; border-left-color: #815127; text-decoration: underline; text-underline-offset: 0.2em; }
.epoch-contents a[aria-current="location"], .epoch-switcher a[aria-current="page"] { border-left-color: #815127; background: #eae1d4; font-weight: 750; }
.epoch-switcher { margin-top: 1.5rem; border-top: 1px solid var(--border-strong); }
.epoch-switcher > summary { padding: 0.8rem 0; min-height: 44px; cursor: pointer; font-size: 0.9rem; font-weight: 650; }
.epoch-content { min-width: 0; }

.epoch-page .epoch-study { display: block; max-width: none; margin: 0; padding: 0; border: 0; }
.epoch-page .epoch-study-section { display: block; margin: 0; padding: 2rem 0; border-top: 1px solid var(--border-strong); }
.epoch-page .epoch-study-section:first-child { padding-top: 0; border-top: 0; }
.epoch-page .epoch-study-section > h2, .epoch-resources > h2 { max-width: none; margin: 0 0 1.2rem; font-family: "Playfair Display", Georgia, serif; font-size: 1.75rem; line-height: 1.25; }
.epoch-page .epoch-study-section > h2::after { display: none; }
.epoch-page .epoch-study-body { display: grid; grid-template-columns: minmax(0, 1fr); max-width: 72ch; gap: 1rem; font-size: 1rem; line-height: 1.75; color: #493f34; }
.epoch-page .epoch-study-context .epoch-study-body { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
.epoch-page .epoch-study-timeframe { padding: 1rem 1.2rem; gap: 0.5rem; border: 0; border-left: 3px solid #815127; background: #ede5d8; }
.epoch-page .epoch-study-label { color: #665442; font-size: 0.75rem; }
.epoch-page .epoch-study-timeframe strong { font-size: 1rem; line-height: 1.65; color: #30251b; font-weight: 600; }
.epoch-page .epoch-study-context-copy h3 { font-size: 1rem; line-height: 1.5; }
.epoch-page .epoch-study-feature-list, .epoch-page .epoch-study-motifs { grid-template-columns: minmax(0, 1fr); gap: 0.6rem; }
.epoch-page .epoch-study-feature-list li, .epoch-page .epoch-study-bullets li { color: #493f34; font-size: 1rem; line-height: 1.75; }
.epoch-page .epoch-study-authors { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem 1.5rem; }
.epoch-page .epoch-study-author { padding: 0.75rem 0; border-radius: 0; background: none; border: 0; border-top: 1px solid var(--border); }
.epoch-page .epoch-study-author strong { font-size: 1rem; text-decoration: underline; text-underline-offset: 0.2em; }
.epoch-page .epoch-study-author span { font-size: 0.9rem; line-height: 1.6; color: #5d5144; }

.epoch-page .epoch-study-details { display: block; }
.epoch-details-toggle { display: block; margin: 0 0 0.5rem auto; min-height: 44px; border: 1px solid #b9ac9c; border-radius: 5px; background: transparent; color: #4b3019; padding: 0.45rem 0.75rem; cursor: pointer; font-size: 0.875rem; font-weight: 650; }
.epoch-details-toggle[hidden] { display: none; }
.epoch-details-toggle:hover { background: #eae1d4; }
.epoch-topic { padding: 1.25rem 0; border-bottom: 1px solid var(--border-strong); }
.epoch-topic:first-of-type { padding-top: 0.75rem; }
.epoch-topic:last-child { border-bottom: 0; padding-bottom: 0; }
.epoch-topic > h3 { font-size: 1.12rem; line-height: 1.4; margin: 0 0 0.4rem; color: #201912; }
.epoch-topic-preview { margin: 0; color: #493f34; line-height: 1.75; }
.epoch-page .epoch-study-detail { border: 0; margin-top: 0.45rem; }
.epoch-page .epoch-study-detail > summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 44px; padding: 0.5rem 0; color: #68401f; font-size: 0.9rem; font-weight: 650; line-height: 1.5; }
.epoch-page .epoch-study-detail > summary::after { display: none; }
.epoch-page .epoch-study-detail > summary .epoch-detail-icon { padding: 0; font-size: 1.2rem; color: #68401f; }
.epoch-page .epoch-study-detail[open] .epoch-detail-icon { transform: rotate(45deg); }
.epoch-page .epoch-study-detail > summary:hover { text-decoration: underline; text-underline-offset: 0.25em; }
.epoch-page .epoch-study-detail > summary:focus-visible { outline: 3px solid #8b3f19; outline-offset: 3px; }
.epoch-page .epoch-study-detail-body { max-width: none; padding: 1rem 1.2rem; margin-top: 0.4rem; border-left: 2px solid #b9a58d; background: #fffcf6; color: #493f34; }
.epoch-page .epoch-study-examples a { text-decoration: underline; text-underline-offset: 0.2em; }
.epoch-page .epoch-study-examples span { font-size: 0.95rem; line-height: 1.65; }

.epoch-resources { border-top: 1px solid var(--border-strong); padding-top: 2rem; }
.epoch-resource-section { margin-bottom: 2rem; }
.epoch-resource-section h3 { font-size: 1.12rem; margin-bottom: 0.7rem; }
.epoch-resource-section .resource-list { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; }
.epoch-resource-section .resource-item { border-bottom: 1px solid var(--border); padding: 0; }
.epoch-resource-section .resource-link { min-height: 52px; padding: 0.8rem 0.5rem; border: 0; border-radius: 0; background: none; box-shadow: none; }
.epoch-resource-section .resource-link:hover { background: #eae1d4; }
.epoch-resource-section .resource-link-copy { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 0.25rem 1rem; width: 100%; }
.epoch-resource-section .resource-link-copy > span:first-child { font-size: 1rem; line-height: 1.5; font-weight: 650; }
.epoch-resource-section .inline-pill { font-size: 0.75rem; line-height: 1.5; color: #5d5144; white-space: normal; }
.epoch-adjacent { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; border-top: 1px solid var(--border-strong); margin-top: 2rem; padding: 1.5rem 0; }
.epoch-adjacent a { display: grid; gap: 0.25rem; min-height: 44px; padding: 0.5rem 0; }
.epoch-adjacent a > span { color: #5d5144; font-size: 0.85rem; }
.epoch-adjacent strong { font-size: 1.05rem; }
.epoch-adjacent a:hover strong { text-decoration: underline; text-underline-offset: 0.2em; }

@media (max-width: 900px) {
    .epoch-layout { grid-template-columns: 1fr; gap: 1.75rem; padding-top: 1.5rem; }
    .epoch-sidebar { position: static; max-height: none; overflow: visible; padding: 0; }
    .epoch-contents { padding: 1.1rem; background: #ede5d8; border-radius: 6px; }
    .epoch-contents h2 { margin-bottom: 0.5rem; }
    .epoch-contents ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.2rem 0.5rem; }
    .epoch-contents .epoch-index-label { margin-top: 0.8rem; }
    .epoch-contents a { border-left-color: #bbaa96; }
    .epoch-switcher { margin-top: 0.7rem; }
    .epoch-switcher ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .epoch-page .epoch-study-body { max-width: none; }
}

@media (max-width: 600px) {
    .epoch-directory { margin-top: 2.5rem; }
    .epoch-directory-list { grid-template-columns: 1fr; }
    .epoch-directory-link { min-height: 86px; padding: 1rem 0.25rem; gap: 0.75rem; }
    .epoch-directory-name { font-size: 1.1rem; }
    .home-shortcut { font-size: 0.875rem; }
    .epoch-page .epoch-hero { padding: 1.75rem 0 1.5rem; }
    .epoch-page .page-title { overflow-wrap: break-word; }
    .epoch-page .epoch-study-section { padding-block: 1.65rem; }
    .epoch-page .epoch-study-section > h2, .epoch-resources > h2 { font-size: 1.5rem; }
    .epoch-page .epoch-study-authors { grid-template-columns: 1fr; }
    .epoch-page .epoch-study-detail-body { padding: 0.85rem; }
    .epoch-contents { padding: 1rem 0.8rem; }
}

@media (max-width: 640px) {
    .site-header-home.site-header-readable.home-menu-enhanced {
        display: grid;
        grid-template-columns: 1fr auto;
        align-items: center;
        gap: 0;
        padding: 0.25rem 0.65rem;
        margin-top: 0.5rem;
        box-shadow: none;
    }
    .site-header-home.home-menu-enhanced .header-brand-group { margin: 0; }
    .site-header-home .home-menu-toggle:not([hidden]) {
        display: inline-flex;
        align-items: center;
        gap: 0.65rem;
        min-height: 44px;
        padding: 0.4rem 0.6rem;
        border: 0;
        border-radius: 4px;
        background: transparent;
        color: #30251b;
        font: inherit;
        font-size: 0.9rem;
        font-weight: 600;
        cursor: pointer;
    }
    .home-menu-toggle[aria-expanded="true"] { background: #ede5d8; }
    .site-header-home.site-header-readable .header-actions {
        grid-column: 1 / -1;
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        gap: 0.65rem;
        padding: 0.5rem 0;
    }
    .site-header-home.site-header-readable .site-nav { grid-row: 1; }
    .site-header-home.site-header-readable .header-socials-slot { position: static; grid-row: 2; grid-column: 1; }
    .page-main-home .home-hero { padding: 1.5rem 0 0.5rem !important; }
    .page-main-home .home-hero-shell { gap: 1rem; }
    .page-main-home .home-hero-copy { gap: 0.45rem; }
    .page-main-home .home-title { font-size: clamp(2.7rem, 13vw, 3.4rem) !important; line-height: 0.98; }
    .page-main-home .home-motto { min-height: 2.7em; margin: 0; }
    .page-main-home .home-search-stage { margin-top: 0.5rem !important; }
    .page-main-home #searchInput { min-height: 44px !important; font-size: 1rem !important; }
    .page-main-home #searchButton { min-height: 44px !important; min-width: 44px !important; width: 44px !important; }
    .page-main-home .home-shortcuts { margin-top: 0.25rem; gap: 0 0.8rem; }
    .page-main-home .home-shortcut { min-height: 44px; font-size: 0.875rem; }
    .page-main-home .epoch-directory { margin-top: 1.5rem; }
    .page-main-home .epoch-directory-heading { margin-bottom: 0.75rem; }
    .page-main-home .epoch-directory-link { min-height: 78px; padding-block: 0.85rem; }
}

@media print {
    .epoch-sidebar, .epoch-hero-actions, .epoch-adjacent, .epoch-details-toggle { display: none; }
    .epoch-layout { display: block; }
    .epoch-page .epoch-study-body { max-width: none; }
    .epoch-page .epoch-study-detail-body { background: none; }
    .epoch-page .epoch-study-detail > summary { display: none; }
    .epoch-topic > h3, .epoch-study-section > h2 { break-after: avoid; }
}