/*
Theme Name: Collective Hub
Description: Discovery-first theme for the Collective registry, author index, citation layer, and research hub.
Version: 0.5.0
Requires at least: 6.2
Requires PHP: 7.4
Text Domain: collective-hub
*/

:root {
    --ink: #18201f;
    --ink-soft: #34413e;
    --muted: #63706d;
    --paper: #f5f3ed;
    --paper-deep: #ebe8df;
    --card: #ffffff;
    --line: #d7ddd8;
    --line-strong: #bec8c2;
    --accent: #245d54;
    --accent-dark: #18463f;
    --accent-pale: #e5efeb;
    --warm: #914a2d;
    --warm-pale: #f5e9e2;
    --blue: #315b78;
    --shadow: 0 12px 36px rgba(24, 32, 31, .075);
    --radius: 16px;
    --max: 1220px;
    --serif: Georgia, "Times New Roman", serif;
    --sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.62;
    text-rendering: optimizeLegibility;
}
a { color: var(--accent); text-decoration-thickness: .08em; text-underline-offset: .16em; }
a:hover { color: var(--accent-dark); }
img { max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; }
.screen-reader-text {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.screen-reader-text:focus {
    width: auto;
    height: auto;
    clip: auto;
    margin: .5rem;
    padding: .7rem 1rem;
    background: #fff;
    z-index: 9999;
}
.wrap { width: min(calc(100% - 2.4rem), var(--max)); margin-inline: auto; }
.section { padding-block: clamp(2.2rem, 5vw, 4.3rem); }
.compact-section { padding-top: 1.35rem; }
.small, .method-note { color: var(--muted); font-size: .9rem; }
.empty-state {
    padding: 1.2rem;
    border: 1px dashed var(--line-strong);
    border-radius: 12px;
    color: var(--muted);
    background: rgba(255,255,255,.55);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255,255,255,.96);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px);
}
.admin-bar .site-header { top: 32px; }
.site-header__inner {
    width: min(calc(100% - 2.4rem), var(--max));
    margin-inline: auto;
    min-height: 72px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}
.site-branding { display: flex; align-items: center; gap: .65rem; }
.custom-logo { max-height: 42px; width: auto; }
.brand { color: var(--ink); font-weight: 820; font-size: 1.28rem; text-decoration: none; letter-spacing: -.02em; }
.primary-menu, .site-header nav ul { display: flex; align-items: center; gap: 1.35rem; list-style: none; padding: 0; margin: 0; }
.primary-menu a, .site-header nav a { color: var(--ink-soft); font-weight: 680; text-decoration: none; }
.primary-menu a:hover, .site-header nav a:hover { color: var(--accent); }

.hero {
    padding: clamp(4.3rem, 9vw, 7.8rem) 0 clamp(4rem, 7vw, 6.2rem);
    background:
        radial-gradient(circle at 82% 20%, rgba(145,74,45,.14), transparent 30%),
        radial-gradient(circle at 12% 84%, rgba(36,93,84,.16), transparent 32%),
        linear-gradient(135deg, #e9efea 0%, #f7f5ef 58%, #f2ece6 100%);
    border-bottom: 1px solid var(--line);
}
.hero__inner { width: min(calc(100% - 2.4rem), var(--max)); margin-inline: auto; }
.hero h1, .record-title {
    font-family: var(--serif);
    font-size: clamp(2.8rem, 6vw, 5.4rem);
    line-height: 1.02;
    letter-spacing: -.045em;
    max-width: 980px;
    margin: .4rem 0 1.15rem;
}
.hero p { max-width: 790px; font-size: clamp(1.05rem, 2vw, 1.24rem); color: var(--ink-soft); }
.eyebrow, .section-label, .relationship, .can {
    display: inline-block;
    font-size: .76rem;
    font-weight: 850;
    letter-spacing: .105em;
    line-height: 1.3;
    text-transform: uppercase;
    color: var(--warm);
}
.hero-search, .collective-search-form {
    display: flex;
    gap: .6rem;
    max-width: 820px;
    margin: 1.7rem 0 1.2rem;
}
.hero-search input, .collective-search-form input, .research-filter input, .research-filter select {
    width: 100%;
    min-width: 0;
    padding: .86rem .95rem;
    border: 1px solid var(--line-strong);
    border-radius: 9px;
    background: #fff;
    color: var(--ink);
}
.hero-search input, .collective-search-form input { flex: 1; }
.hero-search button, .collective-search-form button, .research-filter button {
    border: 0;
    border-radius: 9px;
    padding: .86rem 1.2rem;
    background: var(--accent);
    color: #fff;
    font-weight: 760;
    cursor: pointer;
}
.hero-actions, .record-actions, .profile-links { display: flex; flex-wrap: wrap; gap: .7rem; align-items: center; }
.button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: .35rem;
    min-height: 44px;
    padding: .72rem 1rem;
    border: 1px solid var(--accent);
    border-radius: 9px;
    background: var(--accent);
    color: #fff;
    font-weight: 760;
    text-decoration: none;
}
.button:hover { color: #fff; background: var(--accent-dark); border-color: var(--accent-dark); }
.button.secondary { background: transparent; color: var(--accent); }
.button.secondary:hover { background: var(--accent-pale); color: var(--accent-dark); }

.network-stats {
    position: relative;
    margin-top: -2.2rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}
.network-stats--four { grid-template-columns: repeat(4, 1fr); }
.network-stats > div, .metric-grid > div {
    padding: 1.25rem;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: #fff;
    box-shadow: var(--shadow);
}
.network-stats strong, .metric-grid strong {
    display: block;
    font-family: var(--serif);
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    line-height: 1;
}
.network-stats span, .metric-grid span { display: block; margin-top: .4rem; color: var(--muted); font-size: .91rem; }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; }
.metric-grid--four { grid-template-columns: repeat(4, 1fr); }
.metric-grid > div { box-shadow: none; }

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}
.section-heading h2, .record-section h2 {
    font-family: var(--serif);
    font-size: clamp(1.85rem, 3.7vw, 2.65rem);
    line-height: 1.12;
    letter-spacing: -.025em;
    margin: .15rem 0 0;
}
.section-intro { max-width: 850px; margin-top: -.35rem; color: var(--muted); }
.subsection-title { margin: 2.2rem 0 1rem; font-family: var(--serif); font-size: 1.55rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 1.15rem; }
.card, .record-panel, .source-promotion, .record-facts, .persistent-links, .context-panel, .chart-panel, .analysis-card, .author-card, .research-filter {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
}
.card {
    display: flex;
    flex-direction: column;
    min-height: 100%;
    padding: 1.3rem;
    box-shadow: 0 8px 24px rgba(24,32,31,.035);
}
.card:hover { border-color: var(--line-strong); box-shadow: var(--shadow); }
.card h2, .card h3 { font-family: var(--serif); line-height: 1.18; margin: .5rem 0 .65rem; }
.card h3 { font-size: 1.38rem; }
.card h2 a, .card h3 a { color: var(--ink); text-decoration: none; }
.card p { color: var(--ink-soft); }
.card footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: .75rem;
    padding-top: .9rem;
    margin-top: auto;
    border-top: 1px solid var(--line);
    font-size: .86rem;
    color: var(--muted);
}
.card__kicker { display: flex; align-items: center; justify-content: space-between; gap: .55rem; }
.metric-pill, .mini-tags span {
    display: inline-flex;
    padding: .25rem .55rem;
    border-radius: 999px;
    background: var(--accent-pale);
    color: var(--accent-dark);
    font-size: .76rem;
    font-weight: 700;
}
.mini-tags { display: flex; gap: .4rem; flex-wrap: wrap; margin: .35rem 0 .85rem; }
.relation-explanation { border-left: 3px solid var(--warm); padding-left: .75rem; }

.record-hero {
    padding: clamp(3rem, 7vw, 5.8rem) 0 clamp(2.2rem, 4vw, 3.5rem);
    background: linear-gradient(140deg, #ecefe9, #f8f6f1 65%, #f2e9e2);
    border-bottom: 1px solid var(--line);
}
.record-hero__inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(250px, .35fr); gap: 2rem; align-items: end; }
.record-hero .record-title { font-size: clamp(2.65rem, 5.5vw, 4.9rem); }
.record-byline { font-size: 1.03rem; color: var(--muted); }
.record-identity {
    padding: 1.15rem;
    border-left: 4px solid var(--warm);
    background: rgba(255,255,255,.72);
    overflow-wrap: anywhere;
}
.record-identity span { display: block; color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.record-identity strong { display: block; margin: .35rem 0; font-size: 1.02rem; letter-spacing: .06em; }
.record-layout { display: grid; grid-template-columns: minmax(0, 2fr) minmax(285px, .72fr); gap: 1.3rem; align-items: start; padding-block: 2rem 0; }
.record-layout--wide { grid-template-columns: minmax(0, 2.2fr) minmax(285px, .74fr); }
.record-main { min-width: 0; }
.record-sidebar { position: sticky; top: 92px; display: grid; gap: 1rem; }
.admin-bar .record-sidebar { top: 124px; }
.record-panel { padding: clamp(1.35rem, 3vw, 2.2rem); }
.record-panel--lead { border-top: 5px solid var(--accent); }
.source-summary { margin: .7rem 0 1.3rem; font-family: var(--serif); font-size: clamp(1.2rem, 2.4vw, 1.52rem); line-height: 1.55; }
.record-section { border-top: 1px solid var(--line); }
.source-promotion, .record-facts, .persistent-links { padding: 1.25rem; }
.source-promotion h2, .record-facts h2, .persistent-links h2 { font-family: var(--serif); margin: .45rem 0 .75rem; line-height: 1.2; }
.source-promotion h2 a { color: var(--ink); }
.record-facts dl { margin: 0; }
.record-facts dl > div { display: grid; grid-template-columns: 42% 58%; gap: .6rem; padding: .65rem 0; border-top: 1px solid var(--line); }
.record-facts dt { color: var(--muted); font-size: .8rem; font-weight: 750; text-transform: uppercase; letter-spacing: .04em; }
.record-facts dd { margin: 0; overflow-wrap: anywhere; }
.persistent-links { overflow-wrap: anywhere; font-size: .9rem; }
.persistent-links p { padding-top: .65rem; border-top: 1px solid var(--line); }

.significance-grid, .classification-grid, .context-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1rem;
}
.analysis-card { padding: 1.2rem; border-top: 4px solid var(--warm); }
.analysis-card h3, .classification-block h3, .context-panel h3, .chart-panel h3 { margin: 0 0 .55rem; font-size: 1.05rem; }
.analysis-card p { margin-bottom: 0; }
.classification-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.classification-block { padding: 1rem 0; border-top: 1px solid var(--line); }
.tag-list { display: flex; flex-wrap: wrap; gap: .48rem; }
.tag-list a, .tag-list span {
    padding: .38rem .7rem;
    border-radius: 999px;
    background: var(--accent-pale);
    color: var(--accent-dark);
    font-size: .88rem;
    font-weight: 650;
    text-decoration: none;
}
.tag-list a:hover { background: #d5e7e1; }

.chart-panel { padding: 1.2rem; margin: 1rem 0; }
.chart-panel__heading { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin-bottom: .75rem; }
.chart-panel__heading span { color: var(--muted); font-size: .84rem; }
.bar-chart { overflow-x: auto; padding-bottom: .25rem; }
.bar-chart__plot {
    min-width: 420px;
    height: 235px;
    display: flex;
    align-items: stretch;
    gap: clamp(.35rem, 1.4vw, .8rem);
    padding: 1.2rem .5rem 0;
    border-bottom: 1px solid var(--line-strong);
    background-image: linear-gradient(to top, transparent 24.5%, rgba(215,221,216,.55) 25%, transparent 25.5%, transparent 49.5%, rgba(215,221,216,.55) 50%, transparent 50.5%, transparent 74.5%, rgba(215,221,216,.55) 75%, transparent 75.5%);
}
.bar-chart__column { min-width: 38px; flex: 1; display: grid; grid-template-rows: 1.25rem 1fr 1.5rem; align-items: end; text-align: center; }
.bar-chart__value { font-size: .73rem; color: var(--muted); }
.bar-chart__bar {
    display: block;
    width: min(46px, 75%);
    height: var(--bar-height);
    min-height: 4px;
    margin-inline: auto;
    border-radius: 5px 5px 0 0;
    background: linear-gradient(to top, var(--accent-dark), var(--accent));
}
.bar-chart__year { padding-top: .3rem; font-size: .72rem; color: var(--muted); }
.context-panel { padding: 1.1rem; }
.count-list { list-style: none; padding: 0; margin: 0; }
.count-list li { display: flex; justify-content: space-between; gap: 1rem; padding: .5rem 0; border-top: 1px solid var(--line); }
.count-list li:first-child { border-top: 0; }
.count-list strong { font-variant-numeric: tabular-nums; color: var(--accent-dark); }
.method-note { margin-top: 1rem; padding-left: .8rem; border-left: 3px solid var(--line-strong); }

.source-list { display: grid; gap: .7rem; margin-top: 1rem; }
.source-item { padding: 1rem 1.1rem; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.source-item h3 { margin: .3rem 0; font-size: 1.05rem; }
.source-item__meta { margin: .2rem 0; color: var(--muted); font-size: .86rem; }
.source-item p:last-child { margin-bottom: 0; }

.author-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1rem; }
.author-grid--compact { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.author-card { display: grid; grid-template-columns: 86px minmax(0, 1fr); gap: 1rem; padding: 1.15rem; }
.author-card--compact { grid-template-columns: 64px minmax(0, 1fr); }
.author-card__portrait {
    width: 86px;
    height: 86px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--accent-pale);
    text-decoration: none;
}
.author-card--compact .author-card__portrait { width: 64px; height: 64px; }
.author-card__portrait img { width: 100%; height: 100%; object-fit: cover; }
.author-card__portrait span { display: grid; place-items: center; width: 100%; height: 100%; font-family: var(--serif); font-size: 2rem; color: var(--accent); }
.author-card h3 { margin: 0; font-family: var(--serif); line-height: 1.2; }
.author-card h3 a { color: var(--ink); text-decoration: none; }
.author-card__affiliation { margin: .2rem 0; color: var(--muted); }
.author-card__metrics { margin: .45rem 0 0; font-size: .87rem; color: var(--ink-soft); }

.author-hero { padding: clamp(3rem, 7vw, 5.5rem) 0; background: linear-gradient(135deg, #e8eeea, #f7f5ef); border-bottom: 1px solid var(--line); }
.author-hero__inner { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 2rem; align-items: center; }
.author-hero__portrait { width: 190px; height: 190px; border-radius: 50%; overflow: hidden; background: var(--accent-pale); box-shadow: var(--shadow); }
.author-hero__portrait img { width: 100%; height: 100%; object-fit: cover; }
.author-hero__portrait span { display: grid; place-items: center; width: 100%; height: 100%; font-family: var(--serif); font-size: 5rem; color: var(--accent); }
.author-hero .record-title { margin-bottom: .5rem; }
.author-affiliation { font-size: 1.15rem; color: var(--muted); }
.profile-links a { display: inline-block; padding: .35rem .65rem; border: 1px solid var(--line-strong); border-radius: 8px; text-decoration: none; background: rgba(255,255,255,.75); }
.author-metrics { margin-top: -2rem; position: relative; }
.author-profile-layout { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(270px, .75fr); gap: 1rem; align-items: start; }
.author-biography { font-size: 1.05rem; }
.author-focus { position: sticky; top: 92px; }

.research-filter {
    display: grid;
    grid-template-columns: 1.5fr repeat(5, minmax(135px, .65fr));
    gap: .8rem;
    padding: 1rem;
    margin-top: 1.5rem;
    align-items: end;
}
.research-filter label { display: block; margin-bottom: .3rem; color: var(--muted); font-size: .78rem; font-weight: 750; text-transform: uppercase; letter-spacing: .04em; }
.research-filter__action { display: flex; align-items: center; gap: .6rem; }
.research-filter__action a { font-size: .88rem; }
.archive-result-count { margin-top: 1rem; color: var(--muted); }

.member-panel { padding: 1.4rem; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.record-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .8rem; margin: 1.4rem 0; }
.record-meta > div { padding-top: .7rem; border-top: 1px solid var(--line); }
.record-meta dt { color: var(--muted); font-size: .78rem; font-weight: 750; text-transform: uppercase; }
.record-meta dd { margin: .2rem 0; }

.pagination .nav-links { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1.5rem; }
.pagination .page-numbers { display: inline-flex; min-width: 38px; min-height: 38px; justify-content: center; align-items: center; padding: .4rem .7rem; border: 1px solid var(--line); border-radius: 8px; background: #fff; text-decoration: none; }
.pagination .current { background: var(--accent); color: #fff; border-color: var(--accent); }

.site-footer { margin-top: 4rem; border-top: 1px solid var(--line); background: #fff; }
.site-footer__inner { width: min(calc(100% - 2.4rem), var(--max)); margin-inline: auto; padding: 2rem 0; display: flex; justify-content: space-between; gap: 2rem; }
.site-footer__inner p { max-width: 660px; margin: .35rem 0; }
.site-footer nav { display: flex; flex-wrap: wrap; align-items: start; gap: 1rem; }

@media (max-width: 1120px) {
    .research-filter { grid-template-columns: repeat(3, 1fr); }
    .research-filter__search { grid-column: span 2; }
    .network-stats--four { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
    .record-hero__inner, .record-layout, .record-layout--wide, .author-profile-layout { grid-template-columns: 1fr; }
    .record-sidebar, .author-focus { position: static; }
    .record-identity { max-width: 520px; }
    .metric-grid--four { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 782px) {
    .admin-bar .site-header { top: 46px; }
    .site-header { position: static; }
    .site-header__inner { display: block; padding-block: .9rem; }
    .site-header nav ul { flex-wrap: wrap; margin-top: .7rem; gap: .8rem 1rem; }
    .author-hero__inner { grid-template-columns: 120px minmax(0, 1fr); gap: 1.2rem; }
    .author-hero__portrait { width: 120px; height: 120px; }
    .author-hero__portrait span { font-size: 3.3rem; }
    .author-metrics { margin-top: 1rem; }
    .research-filter { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
    .wrap, .site-header__inner, .site-footer__inner, .hero__inner { width: min(calc(100% - 1.4rem), var(--max)); }
    .hero-search, .collective-search-form { display: grid; }
    .network-stats, .network-stats--four, .metric-grid, .metric-grid--four { grid-template-columns: 1fr 1fr; }
    .section-heading, .chart-panel__heading, .site-footer__inner { display: block; }
    .site-footer nav { margin-top: 1rem; }
    .record-hero__inner { gap: 1rem; }
    .author-hero__inner { grid-template-columns: 1fr; text-align: center; }
    .author-hero__portrait { margin-inline: auto; }
    .profile-links { justify-content: center; }
    .research-filter { grid-template-columns: 1fr; }
    .research-filter__search { grid-column: auto; }
    .author-card { grid-template-columns: 64px minmax(0, 1fr); }
    .author-card__portrait { width: 64px; height: 64px; }
}
@media (max-width: 430px) {
    .network-stats, .network-stats--four, .metric-grid, .metric-grid--four { grid-template-columns: 1fr; }
    .record-title, .hero h1 { font-size: 2.55rem; }
}