:root {
  color-scheme: light;
  --ink: #102f3a;
  --ink-soft: #49646c;
  --navy: #073b4c;
  --blue: #087f9e;
  --teal: #0b7774;
  --mint: #dff5ef;
  --sky: #e8f4f7;
  --sand: #f3f1e9;
  --paper: #fbfcfa;
  --white: #ffffff;
  --line: #d5e1df;
  --line-strong: #abc7c5;
  --warning: #8a5b16;
  --warning-bg: #fff4d8;
  --success: #19724d;
  --success-bg: #def3e8;
  --surface: #ffffff;
  --surface-muted: #edf4f2;
  --surface-subtle: #f3f7f6;
  --catalog-line: #dae8e5;
  --divider: #e7eeec;
  --heading-accent: #073b4c;
  --input-icon: #58777c;
  --muted-count: #799095;
  --type-ink: #166174;
  --tag-ink: #4f6e72;
  --warm-ink: #7b621c;
  --warm-bg: #f5efd8;
  --neutral-status: #6d6674;
  --neutral-status-bg: #eeeaf1;
  --error-ink: #714d0e;
  --error-bg: #fff8e7;
  --error-line: #e4cb91;
  --hover-line: #93bfbc;
  --focus: #5ad4ca;
  --action-bg: #0b7774;
  --visual-card: rgba(255,255,255,.96);
  --visual-detail: #7b9ba0;
  --network-bg: #f1f7f5;
  --network-grid: rgba(7, 59, 76, .055);
  --network-label-halo: #f1f7f5;
  --network-similarity-edge: #789ca3;
  --theme-0: #168aad;
  --theme-1: #a97818;
  --theme-2: #278f7f;
  --theme-3: #8066a6;
  --theme-4: #4f875e;
  --shadow: 0 18px 55px rgba(7, 59, 76, 0.1);
  --shadow-soft: 0 8px 28px rgba(7, 59, 76, 0.08);
  --radius-lg: 24px;
  --radius: 14px;
  --sans: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
  --max: 1180px;
}

[data-theme="dark"] {
  color-scheme: dark;
  --ink: #e6f0f1;
  --ink-soft: #abc1c5;
  --blue: #58c8df;
  --teal: #48c9bc;
  --mint: #173f3b;
  --sky: #173c46;
  --sand: #263129;
  --paper: #0d2027;
  --line: #2d4a51;
  --line-strong: #4d747b;
  --warning: #f0c575;
  --warning-bg: #493a1e;
  --success: #7bd8a9;
  --success-bg: #193f31;
  --surface: #142b33;
  --surface-muted: #10272e;
  --surface-subtle: #1b343b;
  --catalog-line: #29464d;
  --divider: #29464d;
  --heading-accent: #7bd5e0;
  --input-icon: #91adb2;
  --muted-count: #91a9ad;
  --type-ink: #83d5e6;
  --tag-ink: #b7ced1;
  --warm-ink: #efd88a;
  --warm-bg: #443b21;
  --neutral-status: #d0c7d5;
  --neutral-status-bg: #3a3340;
  --error-ink: #f1cf89;
  --error-bg: #3c321d;
  --error-line: #735f31;
  --hover-line: #5a8c8b;
  --focus: #77e4d7;
  --action-bg: #08736f;
  --visual-card: rgba(20,43,51,.97);
  --visual-detail: #a8c0c4;
  --network-bg: #0a1b21;
  --network-grid: rgba(139, 190, 194, .06);
  --network-label-halo: #0a1b21;
  --network-similarity-edge: #527a80;
  --theme-0: #35aed0;
  --theme-1: #d4a64c;
  --theme-2: #48baa7;
  --theme-3: #a58acb;
  --theme-4: #77ad83;
  --shadow: 0 18px 55px rgba(0, 0, 0, .3);
  --shadow-soft: 0 8px 28px rgba(0, 0, 0, .25);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font: 16px/1.55 var(--sans);
}
body.panel-open { overflow: hidden; }
a { color: inherit; }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; z-index: 1000; left: 16px; top: -60px; padding: 10px 16px;
  color: white; background: var(--navy); border-radius: 8px;
}
.skip-link:focus { top: 12px; }
.eyebrow {
  margin: 0 0 10px; color: var(--teal); font-size: .75rem; line-height: 1.2;
  font-weight: 800; letter-spacing: .15em; text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: var(--serif); font-weight: 500; letter-spacing: -.035em; }
h2 { margin-bottom: 0; font-size: clamp(2rem, 4vw, 3.1rem); line-height: 1.08; }

.site-header {
  position: sticky; z-index: 50; top: 0; color: white;
  background: rgba(7, 59, 76, .96); border-bottom: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(12px);
}
.nav-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: inherit; text-decoration: none; font-weight: 750; line-height: 1.05; }
.brand-mark {
  width: 38px; height: 38px; display: grid; place-items: center; flex: 0 0 auto;
  color: #83e0d1; border: 1px solid rgba(255,255,255,.25); border-radius: 50%;
}
.brand-mark svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.8; }
nav { display: flex; align-items: center; gap: 26px; }
nav a { color: #d9ecee; text-decoration: none; font-size: .9rem; font-weight: 600; }
nav a:hover { color: white; }
nav .repo-link { padding: 9px 15px; border: 1px solid rgba(255,255,255,.28); border-radius: 999px; }
.theme-toggle {
  width: 40px; height: 40px; padding: 0; display: grid; place-items: center; flex: 0 0 auto;
  color: #d9ecee; background: transparent; border: 1px solid rgba(255,255,255,.28);
  border-radius: 50%; cursor: pointer;
}
.theme-toggle:hover { color: white; border-color: #70d8ca; }
.theme-toggle svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.theme-icon-sun { display: none; }
[data-theme="dark"] .theme-icon-sun { display: block; }
[data-theme="dark"] .theme-icon-moon { display: none; }

.hero { overflow: hidden; color: white; background: var(--navy); }
.hero-grid { min-height: 555px; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 45px; padding-block: 62px 74px; }
.hero h1 { max-width: 690px; margin-bottom: 24px; font-size: clamp(3rem, 6vw, 5.25rem); line-height: .98; }
.hero h1 span { color: #70d8ca; }
.hero-intro { max-width: 650px; margin-bottom: 30px; color: #c9dfe1; font-size: 1.13rem; }
.hero-search {
  max-width: 665px; padding: 7px 7px 7px 17px; display: grid; grid-template-columns: 24px 1fr auto; align-items: center; gap: 10px;
  background: var(--surface); border-radius: 12px; box-shadow: 0 15px 45px rgba(0,0,0,.18);
}
.hero-search svg, .input-with-icon svg { width: 21px; fill: none; stroke: var(--input-icon); stroke-width: 2; }
.hero-search input { min-width: 0; padding: 10px 2px; border: 0; outline: 0; color: var(--ink); background: transparent; }
.hero-search button {
  padding: 11px 22px; color: white; background: var(--action-bg); border: 0; border-radius: 9px; font-weight: 750; cursor: pointer;
}
.popular-searches { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 9px; align-items: center; color: #a9c7cb; font-size: .82rem; }
.popular-searches button {
  padding: 3px 10px; color: #d5e8e9; background: transparent; border: 1px solid rgba(255,255,255,.23); border-radius: 999px; cursor: pointer;
}
.popular-searches button:hover { color: white; border-color: #70d8ca; }
.hero-visual svg { width: 100%; overflow: visible; }
.hero-visual .contour { fill: none; stroke: rgba(255,255,255,.12); stroke-width: 1.5; }
.hero-visual .river { fill: none; stroke: url(#river); stroke-width: 10; stroke-linecap: round; }
.hero-visual circle { fill: #073b4c; stroke: #80e0d1; stroke-width: 4; }
.visual-card { transform: translate(66px, 95px); filter: drop-shadow(0 12px 22px rgba(0,0,0,.18)); }
.visual-card.card-b { transform: translate(335px, 244px); }
.visual-card rect { fill: var(--visual-card); stroke: rgba(255,255,255,.35); }
.visual-card circle { fill: #c8eee8; stroke: none; }
.visual-card path { fill: none; stroke: var(--visual-detail); stroke-width: 4; stroke-linecap: round; }

.stats-band { background: var(--surface); border-bottom: 1px solid var(--line); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); padding-block: 25px; }
.stats-grid div { padding: 5px 28px; border-right: 1px solid var(--line); }
.stats-grid div:first-child { padding-left: 0; }
.stats-grid div:last-child { border: 0; }
.stats-grid strong { display: block; color: var(--heading-accent); font: 500 1.8rem/1 var(--serif); }
.stats-grid span { color: var(--ink-soft); font-size: .8rem; }

.themes-section { padding-block: 90px 96px; }
.section-intro { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: 38px; }
.section-intro > p { max-width: 480px; margin-bottom: 2px; color: var(--ink-soft); }
.theme-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 13px; }
.theme-card {
  min-height: 220px; padding: 24px; display: flex; flex-direction: column; align-items: flex-start;
  color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  text-align: left; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.theme-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); border-color: var(--line-strong); }
.theme-icon {
  width: 44px; height: 44px; margin-bottom: 30px; display: grid; place-items: center;
  color: var(--blue); background: var(--sky); border-radius: 12px; font-size: 1.3rem;
}
.theme-card:nth-child(2) .theme-icon, .theme-card:nth-child(4) .theme-icon { color: var(--warm-ink); background: var(--warm-bg); }
.theme-card:nth-child(3) .theme-icon, .theme-card:nth-child(5) .theme-icon { color: var(--success); background: var(--mint); }
.theme-card strong { margin-bottom: 7px; font-family: var(--serif); font-size: 1.05rem; line-height: 1.2; }
.theme-card small { margin-top: auto; color: var(--ink-soft); }

.catalog-section { padding-block: 86px 105px; background: var(--surface-muted); border-top: 1px solid var(--catalog-line); }
.catalog-intro { margin-bottom: 32px; }
.catalog-layout { display: grid; grid-template-columns: 245px 1fr; gap: 34px; align-items: start; }
.filter-panel {
  position: sticky; top: 101px; max-height: calc(100vh - 121px); padding: 22px; overflow-y: auto;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
}
.filter-panel-head { display: flex; align-items: center; justify-content: space-between; }
.filter-panel h3 { margin-bottom: 18px; font: 600 1.1rem var(--serif); }
.filter-search label, .filter-group legend { color: var(--ink); font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.input-with-icon { margin-top: 6px; padding: 9px 10px; display: grid; grid-template-columns: 19px 1fr; gap: 7px; border: 1px solid var(--line); border-radius: 9px; }
.input-with-icon svg { width: 18px; }
.input-with-icon input { min-width: 0; padding: 0; border: 0; outline: none; color: var(--ink); background: transparent; }
.filter-group { margin: 19px 0 0; padding: 18px 0 0; border: 0; border-top: 1px solid var(--line); }
.filter-group legend { width: 100%; padding-top: 18px; }
.filter-option { margin-top: 9px; display: flex; align-items: flex-start; gap: 9px; color: var(--ink-soft); font-size: .86rem; cursor: pointer; }
.filter-option input { width: 16px; height: 16px; margin: 2px 0 0; accent-color: var(--teal); }
.filter-option span:last-child { margin-left: auto; color: var(--muted-count); font-size: .73rem; }
.clear-button {
  width: 100%; margin-top: 22px; padding: 9px; color: var(--blue); background: transparent;
  border: 1px solid var(--line-strong); border-radius: 8px; font-weight: 700; cursor: pointer;
}
.clear-button:hover { background: var(--sky); }
.active-filters { display: flex; flex-wrap: wrap; gap: 7px; }
.active-filters:not(:empty) { margin-bottom: 15px; }
.filter-chip {
  padding: 5px 9px; display: inline-flex; align-items: center; gap: 7px; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line-strong); border-radius: 999px; font-size: .78rem; cursor: pointer;
}
.filter-chip span { color: var(--ink-soft); font-size: 1rem; line-height: 1; }
.results-toolbar { min-height: 44px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.results-toolbar p { margin: 0; color: var(--ink-soft); }
.results-toolbar p strong { color: var(--ink); }
.results-toolbar label { display: flex; align-items: center; gap: 9px; color: var(--ink-soft); font-size: .82rem; }
.results-toolbar select { padding: 8px 30px 8px 10px; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
.catalog-grid { margin-top: 18px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px; }
.resource-card {
  min-height: 260px; padding: 22px; display: flex; flex-direction: column; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.resource-card:hover { transform: translateY(-3px); border-color: var(--hover-line); box-shadow: var(--shadow-soft); }
.card-top { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.resource-card h3 { margin-bottom: 0; font: 600 1.22rem/1.2 var(--serif); }
.type-badge, .status-badge {
  padding: 4px 8px; display: inline-flex; align-items: center; gap: 5px; flex: 0 0 auto;
  border-radius: 999px; font-size: .68rem; font-weight: 800; letter-spacing: .03em;
}
.type-badge { color: var(--type-ink); background: var(--sky); }
.card-description { margin: 14px 0; color: var(--ink-soft); font-size: .9rem; }
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { padding: 3px 8px; color: var(--tag-ink); background: var(--surface-subtle); border-radius: 999px; font-size: .7rem; }
.card-footer { margin-top: auto; padding-top: 17px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border-top: 1px solid var(--divider); }
.card-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; align-items: center; gap: 7px 12px; }
.status-badge { color: var(--warning); background: var(--warning-bg); }
.status-badge.verified { color: var(--success); background: var(--success-bg); }
.status-badge.needs-verification { color: var(--neutral-status); background: var(--neutral-status-bg); }
.card-open, .card-network-link {
  color: var(--blue); font-size: .78rem; font-weight: 800; text-decoration: none; cursor: pointer;
}
.card-open { padding: 0; background: transparent; border: 0; }
.card-network-link { padding: 4px 8px; background: var(--surface-subtle); border: 1px solid var(--line); border-radius: 999px; }
.card-open:hover, .card-network-link:hover { text-decoration: underline; text-underline-offset: 3px; }
.empty-state, .error-state { margin-top: 20px; padding: 55px 25px; text-align: center; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.empty-state > span { color: var(--teal); font-size: 3rem; }
.empty-state h3 { margin: 10px 0 5px; font-family: var(--serif); }
.empty-state p { color: var(--ink-soft); }
.empty-state button { padding: 9px 15px; color: white; background: var(--action-bg); border: 0; border-radius: 8px; cursor: pointer; }
.error-state { color: var(--error-ink); background: var(--error-bg); border-color: var(--error-line); }
.mobile-filter-button { display: none; }

.methodology-section { padding-block: 92px; color: white; background: var(--navy); }
.methodology-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; align-items: center; }
.methodology-grid h2 { max-width: 430px; margin-bottom: 22px; }
.methodology-grid > div > p:last-child { max-width: 500px; color: #bdd5d8; }
.methodology-grid ul { margin: 0; padding: 0; list-style: none; }
.methodology-grid li { padding: 19px 0; display: flex; gap: 20px; border-bottom: 1px solid rgba(255,255,255,.15); }
.methodology-grid li > span { color: #64d4c7; font: 500 1.3rem var(--serif); }
.methodology-grid strong { font-family: var(--serif); font-size: 1.05rem; }
.methodology-grid li p { margin: 3px 0 0; color: #bdd5d8; font-size: .88rem; }

.site-footer { padding-top: 58px; color: #c4d7d9; background: #052c39; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 50px; padding-bottom: 45px; }
.footer-brand { color: white; }
.footer-grid > div > p { margin: 16px 0 0; color: #8facb0; }
.footer-grid > div:not(:first-child) { display: flex; flex-direction: column; gap: 9px; font-size: .86rem; }
.footer-grid strong { margin-bottom: 7px; color: white; }
.footer-grid a { text-decoration: none; }
.footer-grid a:hover { color: white; }
.footer-bottom { padding-block: 17px; display: flex; justify-content: space-between; gap: 20px; color: #789ba0; border-top: 1px solid rgba(255,255,255,.1); font-size: .72rem; }
.footer-bottom a { color: #bcd6d8; text-underline-offset: 3px; }
.footer-bottom a:hover { color: white; }

.backdrop { position: fixed; z-index: 80; inset: 0; background: rgba(1, 25, 33, .55); backdrop-filter: blur(3px); }
.detail-backdrop { z-index: 90; }
.detail-panel {
  position: fixed; z-index: 100; inset: 0 0 0 auto; width: min(570px, 100%); padding: 30px 34px 45px; overflow-y: auto;
  background: var(--paper); box-shadow: -25px 0 70px rgba(0,0,0,.2); transform: translateX(105%);
  transition: transform .25s ease; visibility: hidden;
}
.detail-panel.open { transform: translateX(0); visibility: visible; }
.detail-panel-head { display: flex; justify-content: space-between; align-items: center; }
.icon-button { width: 40px; height: 40px; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 50%; cursor: pointer; font-size: 1.5rem; line-height: 1; }
.detail-hero { padding: 25px 0 27px; border-bottom: 1px solid var(--line); }
.detail-hero h2 { margin: 13px 0 14px; font-size: 2.5rem; }
.detail-hero > p { color: var(--ink-soft); }
.detail-badges { display: flex; flex-wrap: wrap; gap: 8px; }
.detail-section { padding: 24px 0; border-bottom: 1px solid var(--line); }
.detail-section h3 { margin-bottom: 13px; font: 700 .78rem var(--sans); letter-spacing: .1em; text-transform: uppercase; }
.detail-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 17px 25px; }
.detail-meta dt { color: var(--ink-soft); font-size: .72rem; }
.detail-meta dd { margin: 3px 0 0; font-weight: 650; font-size: .9rem; }
.detail-section ul { margin: 0; padding-left: 20px; color: var(--ink-soft); }
.detail-section li + li { margin-top: 7px; }
.detail-reference { overflow-wrap: anywhere; color: var(--ink-soft); font-size: .85rem; }
.inline-citations { white-space: normal; }
.inline-citations a { color: var(--blue); text-decoration: none; white-space: nowrap; }
.inline-citations a:hover { text-decoration: underline; text-underline-offset: 3px; }
.detail-references-section { margin-top: 8px; border-bottom: 0; }
.detail-references-list { margin: 0; padding: 0; list-style: none; counter-reset: detail-references; }
.detail-references-list li {
  position: relative; padding: 0 0 20px 30px; color: var(--ink-soft);
  counter-increment: detail-references;
}
.detail-references-list li + li { margin-top: 20px; }
.detail-references-list li:not(:last-child) { border-bottom: 1px solid var(--line); }
.detail-references-list li::before {
  content: counter(detail-references) "."; position: absolute; left: 0; top: 0;
  color: var(--teal); font: 600 .9rem var(--serif);
}
.detail-references-list p { margin-bottom: 9px; overflow-wrap: anywhere; font-size: .84rem; line-height: 1.65; }
.detail-reference-actions { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.detail-reference-actions a { color: var(--blue); font-size: .75rem; font-weight: 750; text-decoration: none; }
.detail-reference-actions a:hover { text-decoration: underline; text-underline-offset: 3px; }
.detail-actions { margin-top: 25px; display: flex; flex-wrap: wrap; gap: 10px; }
.detail-network-link {
  padding: 12px 18px; display: inline-flex; align-items: center; color: var(--blue); background: var(--surface);
  border: 1px solid var(--line-strong); border-radius: 9px; text-decoration: none; font-weight: 750;
}
.detail-network-link:hover { background: var(--sky); }
.official-link {
  padding: 12px 18px; display: inline-flex; align-items: center; gap: 9px;
  color: white; background: var(--action-bg); border-radius: 9px; text-decoration: none; font-weight: 750;
}
.mobile-only { display: none; }

.not-found-page { min-height: 100vh; color: white; background: var(--navy); }
.not-found-main { min-height: 100vh; padding: 40px 20px; display: grid; place-items: center; }
.not-found-main section { width: min(100%, 690px); text-align: center; }
.not-found-main .brand { margin-bottom: 60px; }
.not-found-main .error-code { margin-bottom: -25px; color: rgba(112, 216, 202, .12); font: 500 clamp(8rem, 30vw, 15rem)/.7 var(--serif); }
.not-found-main h1 { margin-bottom: 20px; font-size: clamp(2.5rem, 7vw, 4.6rem); line-height: 1; }
.not-found-main section > p:not(.eyebrow, .error-code) { max-width: 570px; margin-inline: auto; color: #c4dadd; }

.references-hero { padding-block: 82px 88px; color: white; background: var(--navy); }
.references-page { scroll-behavior: auto; }
.references-hero h1 { margin-bottom: 20px; font-size: clamp(3.5rem, 8vw, 6rem); line-height: .95; }
.references-hero p:last-child { max-width: 660px; margin-bottom: 0; color: #c4dadd; font-size: 1.05rem; }
.references-section { padding-block: 78px 105px; }
.references-layout { display: grid; grid-template-columns: 220px 1fr; gap: 70px; align-items: start; }
.references-layout aside { position: sticky; top: 110px; color: var(--ink-soft); font-size: .88rem; }
.references-layout aside a { color: var(--blue); font-weight: 700; text-decoration: none; }
.references-list { margin: 0; padding: 0; list-style: none; counter-reset: references; }
.references-list li {
  position: relative; padding: 0 0 25px 42px; margin-bottom: 25px;
  border-bottom: 1px solid var(--line); scroll-margin-top: 120px; counter-increment: references;
}
.references-list li::before {
  content: counter(references) "."; position: absolute; left: 0; top: 0;
  color: var(--teal); font: 600 1rem var(--serif);
}
.references-list li:target { margin-inline: -18px; padding: 18px 18px 25px 60px; background: var(--mint); border-radius: 10px; }
.references-list li:target::before { left: 18px; top: 18px; }
.references-list p { margin-bottom: 8px; line-height: 1.7; }
.references-list a { color: var(--blue); font-size: .78rem; font-weight: 750; text-decoration: none; }
.references-list a:hover { text-decoration: underline; text-underline-offset: 3px; }

.network-page { scroll-behavior: auto; }
.network-shell { width: min(calc(100% - 32px), 1420px); margin-inline: auto; }
.network-hero { padding-block: 58px 62px; color: white; background: var(--navy); }
.network-hero h1 { margin-bottom: 16px; font-size: clamp(3rem, 7vw, 5.2rem); line-height: .95; }
.network-hero p:last-child { max-width: 760px; margin-bottom: 0; color: #c4dadd; font-size: 1rem; }
.network-section { padding-block: 28px 80px; background: var(--surface-muted); }
.network-toolbar {
  position: relative; z-index: 5; margin-bottom: 18px; padding: 16px;
  display: grid; grid-template-columns: minmax(240px, 1.6fr) minmax(170px, .8fr) minmax(180px, .8fr) auto;
  gap: 12px; align-items: end; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-soft);
}
.network-toolbar label {
  display: block; margin-bottom: 5px; color: var(--ink-soft);
  font-size: .7rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
}
.network-toolbar input, .network-toolbar select {
  width: 100%; min-height: 42px; padding: 8px 10px; color: var(--ink); background: var(--paper);
  border: 1px solid var(--line); border-radius: 8px;
}
.network-view-controls { display: flex; flex-wrap: wrap; gap: 7px; }
.network-view-controls button {
  min-width: 42px; min-height: 42px; padding: 8px 12px; color: var(--ink); background: var(--paper);
  border: 1px solid var(--line-strong); border-radius: 8px; cursor: pointer; font-weight: 750;
}
.network-view-controls button:hover { background: var(--sky); }
.network-layout { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 18px; align-items: start; }
.network-graph-column { min-width: 0; }
.network-canvas {
  position: relative; height: min(72vh, 760px); min-height: 610px; overflow: hidden;
  background-color: var(--network-bg);
  background-image:
    radial-gradient(circle at 20% 25%, var(--network-grid) 0 1px, transparent 1.5px),
    radial-gradient(circle at 75% 70%, var(--network-grid) 0 1px, transparent 1.5px);
  background-size: 30px 30px, 43px 43px;
  border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow);
}
.network-canvas svg { width: 100%; height: 100%; display: block; touch-action: none; cursor: grab; user-select: none; }
.network-canvas svg:active { cursor: grabbing; }
.network-edge { vector-effect: non-scaling-stroke; transition: opacity .15s ease, stroke .15s ease, stroke-width .15s ease; }
.network-similarity-edge {
  stroke: var(--network-similarity-edge); stroke-width: 1.35; stroke-dasharray: 4 4;
  opacity: .42; pointer-events: stroke;
}
.network-edge.active { stroke: var(--teal); stroke-width: 2.4; opacity: .95; }
.network-edge.dimmed { opacity: .07; }
.network-node { transition: opacity .15s ease; }
.network-node circle { vector-effect: non-scaling-stroke; }
.network-resource-node { cursor: pointer; }
.network-resource-node .network-node-core {
  fill: var(--node-color); stroke: var(--surface); stroke-width: 2.5;
  transition: r .15s ease, stroke .15s ease, stroke-width .15s ease;
}
.network-node-ring { fill: none; stroke-width: 3; opacity: .8; }
.network-resource-node text {
  opacity: 0; pointer-events: none; fill: var(--ink); stroke: var(--network-label-halo); stroke-width: 4;
  paint-order: stroke; font-size: 12px; font-weight: 750; transition: opacity .15s ease;
}
.network-resource-node:hover text,
.network-resource-node:focus text,
.network-resource-node.active text,
.network-resource-node.selected text { opacity: 1; pointer-events: auto; }
.network-resource-node:hover .network-node-core,
.network-resource-node:focus .network-node-core,
.network-resource-node.active .network-node-core { r: 13; }
.network-resource-node.selected .network-node-core { r: 15; stroke: var(--focus); stroke-width: 4; }
.network-node.dimmed { opacity: .15; }
.theme-color-0 { --node-color: var(--theme-0); }
.theme-color-1 { --node-color: var(--theme-1); }
.theme-color-2 { --node-color: var(--theme-2); }
.theme-color-3 { --node-color: var(--theme-3); }
.theme-color-4 { --node-color: var(--theme-4); }
.theme-stroke-0 { stroke: var(--theme-0); }
.theme-stroke-1 { stroke: var(--theme-1); }
.theme-stroke-2 { stroke: var(--theme-2); }
.theme-stroke-3 { stroke: var(--theme-3); }
.theme-stroke-4 { stroke: var(--theme-4); }
.network-empty {
  position: absolute; inset: 0; display: grid; place-content: center; gap: 5px;
  color: var(--ink-soft); background: color-mix(in srgb, var(--network-bg) 94%, transparent);
  text-align: center;
}
.network-empty[hidden] { display: none; }
.network-empty strong { color: var(--ink); font: 600 1.35rem var(--serif); }
.network-help { margin: 12px 4px 0; color: var(--ink-soft); font-size: .75rem; }
.network-legend { margin-top: 13px; display: flex; flex-wrap: wrap; gap: 8px 16px; color: var(--ink-soft); font-size: .72rem; }
.network-legend span { display: inline-flex; align-items: center; gap: 6px; }
.network-legend-dot { width: 9px; height: 9px; display: inline-block; border-radius: 50%; }
.theme-bg-0 { background: var(--theme-0); }
.theme-bg-1 { background: var(--theme-1); }
.theme-bg-2 { background: var(--theme-2); }
.theme-bg-3 { background: var(--theme-3); }
.theme-bg-4 { background: var(--theme-4); }
.network-legend-line { width: 20px; display: inline-block; border-top: 1px dashed var(--network-similarity-edge); }
.network-alert {
  margin-bottom: 15px; padding: 11px 14px; color: var(--error-ink); background: var(--error-bg);
  border: 1px solid var(--error-line); border-radius: 9px; font-size: .84rem;
}
.network-inspector {
  position: sticky; top: 97px; max-height: calc(100vh - 115px); padding: 25px; overflow-y: auto;
  scroll-margin-top: 84px;
  color: var(--ink); background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-soft);
}
.network-inspector h2 { margin-bottom: 14px; font-size: 1.75rem; }
.network-inspector > p:not(.eyebrow, .network-count, .network-neighbor-empty) { color: var(--ink-soft); font-size: .9rem; }
.network-inspector h3 {
  margin: 25px 0 11px; padding-top: 20px; border-top: 1px solid var(--line);
  font: 800 .72rem var(--sans); letter-spacing: .09em; text-transform: uppercase;
}
.network-resource-profile > h2 { margin-bottom: 12px; }
.network-resource-profile > p { color: var(--ink-soft); font-size: .9rem; }
.network-inspector-badges { margin-bottom: 13px; display: flex; flex-wrap: wrap; gap: 7px; }
.network-inspector-meta {
  margin: 20px 0 0; padding: 16px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px;
  background: var(--surface-subtle); border: 1px solid var(--line); border-radius: 10px;
}
.network-inspector-meta dt { color: var(--ink-soft); font-size: .68rem; }
.network-inspector-meta dd { margin: 3px 0 0; font-size: .8rem; font-weight: 700; line-height: 1.35; }
.network-inspector-section h3 { margin-top: 20px; padding-top: 17px; }
.network-inspector-section ul {
  margin: 0; padding-left: 18px; color: var(--ink-soft); font-size: .82rem; line-height: 1.5;
}
.network-inspector-section li + li { margin-top: 6px; }
.network-inspector-taxonomy { display: flex; flex-wrap: wrap; gap: 6px; }
.network-inspector-actions { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 8px 14px; }
.network-inspector-actions a { color: var(--blue); font-size: .78rem; font-weight: 750; text-decoration: none; }
.network-inspector-actions a:hover { text-decoration: underline; text-underline-offset: 3px; }
.network-inspector-actions .network-primary-link {
  padding: 9px 12px; color: white; background: var(--action-bg); border-radius: 8px;
}
.network-inspector-actions .network-primary-link:hover { text-decoration: none; }
.network-neighbor-list { margin: 0; padding: 0; list-style: none; }
.network-neighbor-list li { padding: 10px 0; border-bottom: 1px solid var(--line); }
.network-neighbor-list button {
  padding: 0; display: block; color: var(--blue); background: none; border: 0;
  text-align: left; font-weight: 750; cursor: pointer;
}
.network-neighbor-list span { display: block; margin-top: 3px; color: var(--ink-soft); font-size: .72rem; }
.network-neighbor-empty { color: var(--ink-soft); font-size: .82rem; }
.network-count { margin: 24px 0 0; color: var(--ink-soft); font-size: .75rem; }
.network-accessible {
  margin-top: 18px; padding: 13px 15px; color: var(--ink-soft);
  background: var(--surface); border: 1px solid var(--line); border-radius: 9px;
}
.network-accessible summary { color: var(--ink); font-size: .8rem; font-weight: 750; cursor: pointer; }
.network-accessible ul {
  margin: 13px 0 0; padding: 13px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px 20px; border-top: 1px solid var(--line); list-style: none;
}
.network-accessible button {
  padding: 3px 0; color: var(--blue); background: transparent; border: 0;
  text-align: left; font-size: .78rem; cursor: pointer;
}
.network-accessible button:hover, .network-accessible button[aria-current="true"] {
  text-decoration: underline; text-underline-offset: 3px;
}

@media (max-width: 1000px) {
  .theme-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-grid { grid-template-columns: 1fr .6fr; }
  .catalog-layout { grid-template-columns: 220px 1fr; gap: 22px; }
  .catalog-grid { grid-template-columns: 1fr; }
  .network-layout { grid-template-columns: minmax(0, 1fr) 290px; }
  .network-toolbar { grid-template-columns: 1.4fr 1fr 1fr; }
  .network-view-controls { grid-column: 1 / -1; }
  .network-inspector-meta { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .site-header nav a:not(.repo-link) { display: none; }
  .site-header nav { gap: 10px; }
  .nav-inner { min-height: 68px; }
  .hero-grid { min-height: auto; grid-template-columns: 1fr; padding-block: 54px 65px; }
  .hero-visual { display: none; }
  .hero h1 { font-size: clamp(2.9rem, 13vw, 4.3rem); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid div { padding: 15px 10px; border-bottom: 1px solid var(--line); }
  .stats-grid div:nth-child(2) { border-right: 0; }
  .stats-grid div:nth-child(n+3) { border-bottom: 0; }
  .themes-section { padding-block: 65px; }
  .section-intro { display: block; }
  .section-intro > p { margin-top: 15px; }
  .theme-grid { grid-template-columns: 1fr 1fr; }
  .theme-card { min-height: 190px; }
  .catalog-layout { display: block; }
  .mobile-filter-button { display: inline-flex; padding: 9px 15px; color: var(--ink); background: var(--surface); border: 1px solid var(--line-strong); border-radius: 9px; }
  .filter-panel {
    position: fixed; z-index: 90; inset: 0 0 0 auto; top: 0; width: min(390px, 92vw); max-height: none;
    border-radius: 0; transform: translateX(105%); transition: transform .22s ease;
  }
  .filter-panel.open { transform: translateX(0); }
  .mobile-only { display: grid; }
  .methodology-grid { grid-template-columns: 1fr; gap: 35px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .references-layout { grid-template-columns: 1fr; gap: 38px; }
  .references-layout aside { position: static; }
  .network-hero { padding-block: 48px 52px; }
  .network-toolbar { grid-template-columns: 1fr 1fr; }
  .network-search-control { grid-column: 1 / -1; }
  .network-layout { grid-template-columns: 1fr; }
  .network-canvas { height: 66vh; min-height: 520px; }
  .network-inspector { position: static; max-height: none; }
  .network-accessible ul { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .brand > span:last-child { font-size: .82rem; }
  .site-header nav .repo-link { display: none; }
  .hero-search { grid-template-columns: 21px 1fr; }
  .hero-search button { grid-column: 1 / -1; }
  .theme-grid { grid-template-columns: 1fr; }
  .theme-card { min-height: 160px; }
  .theme-icon { margin-bottom: 20px; }
  .catalog-intro { display: flex; align-items: end; }
  .resource-card { min-height: 245px; }
  .results-toolbar { align-items: flex-start; }
  .results-toolbar label span { display: none; }
  .detail-panel { padding: 24px 20px 40px; }
  .detail-hero h2 { font-size: 2rem; }
  .detail-meta { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:first-child { grid-column: auto; }
  .footer-bottom { display: block; }
  .footer-bottom span { display: block; margin-bottom: 5px; }
  .network-shell { width: min(calc(100% - 20px), 1420px); }
  .network-toolbar { grid-template-columns: 1fr; }
  .network-search-control, .network-view-controls { grid-column: auto; }
  .network-canvas { height: 62vh; min-height: 460px; border-radius: var(--radius); }
  .network-view-controls button:last-child { flex: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}