:root { color-scheme: light dark; }
* { box-sizing: border-box; border-radius: var(--radius); }
body { margin: 0; background: var(--surface); color: var(--ink); }
img { max-width: 100%; height: auto; }
a { color: inherit; }
.discovery-shell { width: min(1380px, calc(100% - 48px)); margin-inline: auto; }
.discovery-header { padding: 20px 0; border-bottom: var(--border-width) solid var(--border); }
.back-link, .eyebrow, .result-kicker, .meta-line, dt, .filter-panel summary, .select-control { color: var(--muted); font-size: var(--label-size); letter-spacing: var(--label-tracking); text-transform: uppercase; }
.back-link { display: inline-block; margin-bottom: 18px; }
.discovery-head-row { display: flex; align-items: center; gap: 24px; }
.wordmark { font-size: 24px; font-weight: 800; text-decoration: none; }
.discovery-head-row nav { display: flex; flex-wrap: wrap; gap: 4px; margin-right: auto; }
.discovery-head-row nav a { padding: 8px 10px; color: var(--muted); text-decoration: none; }
.discovery-head-row nav a[aria-current=page], .discovery-head-row nav a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.theme-toggle { flex-basis: 44px; width: 44px; height: 44px; padding: 0; }
.header-actions { display: flex; flex: 0 0 auto; gap: 8px; margin-left: auto; }
.header-actions .theme-toggle, .header-actions .language-toggle { margin: 0; }
.discovery-main { padding-block: 40px 70px; }
.workspace-heading, .home-intro, .detail-hero { max-width: 880px; }
.workspace-heading { margin-bottom: 34px; }
.workspace-heading h1, .home-intro h1, .detail-hero h1 { margin: 8px 0 14px; font-size: clamp(34px, 5vw, 58px); line-height: 1.02; letter-spacing: -.04em; }
.workspace-heading > p:last-child, .lead { color: var(--muted); font-size: 17px; line-height: 1.55; }

.home-minimal { display: grid; min-height: calc(100dvh - 150px); align-content: center; }
.home-search { display: flex; max-width: 780px; margin-top: 28px; border: var(--border-width) solid var(--border); }
.home-search input { min-width: 0; flex: 1; border: 0; padding: 18px; font-size: 17px; }
.home-search button { border: 0; border-left: var(--border-width) solid var(--border); }
.home-links { display: flex; flex-wrap: wrap; gap: 0; width: fit-content; max-width: 100%; margin: 24px 0 0; padding: 0; border-top: var(--border-width) solid var(--border); border-left: var(--border-width) solid var(--border); list-style: none; }
.home-links a { min-width: 145px; padding: 11px 14px; border-right: var(--border-width) solid var(--border); border-bottom: var(--border-width) solid var(--border); color: var(--ink); font-size: 13px; text-decoration: none; }
.home-links a:hover { background: var(--surface-2); text-decoration: underline; text-underline-offset: 3px; }

.discovery-layout { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 34px; align-items: start; }
.filter-panel { position: sticky; top: 16px; border: var(--border-width) solid var(--border); background: var(--surface); }
.filter-panel-heading, .filter-panel > label, .filter-panel > button, .filter-disclosure { margin: 0; border: 0; border-bottom: var(--border-width) solid var(--border); }
.filter-panel-heading { display: flex; align-items: baseline; justify-content: space-between; padding: 15px; }
.filter-panel-heading h2 { margin: 0; font-size: 18px; }
.search-control, .select-control { display: grid; gap: 7px; padding: 15px; }
.search-control input, .filter-within-search input, .select-control select { width: 100%; }
.filter-disclosure { background: var(--surface); }
.filter-disclosure summary { display: flex; align-items: center; justify-content: space-between; min-height: 52px; padding: 15px; cursor: pointer; list-style: none; }
.filter-disclosure summary::-webkit-details-marker { display: none; }
.filter-disclosure summary::after { content: '+'; color: var(--ink); font-size: 19px; }
.filter-disclosure[open] { background: var(--surface-2); }
.filter-disclosure[open] summary { border-bottom: var(--border-width) solid var(--border); }
.filter-disclosure[open] summary::after { content: '−'; }
.filter-disclosure fieldset { display: grid; gap: 10px; margin: 0; padding: 14px 15px 16px; border: 0; }
.filter-within-search { display: block; }
.select-stack { display: grid; max-height: 242px; gap: 7px; overflow: auto; padding-right: 4px; }
.select-stack label, .filter-choice label { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; line-height: 1.35; }
.select-stack label[hidden] { display: none; }
.category-stack { max-height: 220px; }
.filter-choice { display: grid; gap: 7px; padding-top: 10px; border-top: var(--border-width) solid var(--border); }
.filter-panel > button { width: 100%; padding: 14px 15px; background: var(--ink); color: var(--surface); }

.result-toolbar, .section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding-bottom: 12px; border-bottom: var(--border-width) solid var(--border); }
.result-toolbar p { margin: 0; }
.result-tools { display: flex; align-items: center; gap: 16px; }
.text-action { color: var(--muted); font-size: 13px; text-underline-offset: 3px; }
.result-toolbar label { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }
.result-toolbar select { width: auto; }
.show-list { border-top: var(--border-width) solid var(--border); }
.show-result { display: grid; grid-template-columns: 116px minmax(0, 1fr); gap: 20px; padding: 22px 0; border-bottom: var(--border-width) solid var(--border); }
.show-result-content { min-width: 0; }
.show-cover { width: 116px; aspect-ratio: 1; align-self: start; overflow: hidden; border: var(--border-width) solid var(--border); background: var(--surface-2); }
.show-cover img { display: block; width: 100% !important; max-width: 100% !important; height: 100% !important; object-fit: cover; }
.cover-fallback, .show-cover.cover-failed { display: grid; place-items: center; color: var(--muted); font-size: 32px; font-weight: 700; }
.show-cover.cover-failed::after { content: '?'; }
.show-result h2, .show-result h3 { margin: 5px 0; font-size: 21px; }
.show-result p { max-width: 78ch; margin: 8px 0; color: var(--muted); line-height: 1.55; }
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 13px; }
.tag-chip { padding: 4px 7px; border: var(--border-width) solid var(--border); font-size: 12px; text-decoration: none; }
.tag-chip:hover { background: var(--surface-2); text-decoration: underline; }
.tag-more-count { display: none; align-items: center; color: var(--muted); font-size: 12px; }
.show-more > summary { display: none; }
.collection-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: var(--border-width) solid var(--border); border-left: var(--border-width) solid var(--border); }
.collection-card { min-height: 230px; padding: 24px; border-right: var(--border-width) solid var(--border); border-bottom: var(--border-width) solid var(--border); text-decoration: none; }
.collection-card:hover { background: var(--surface-2); }
.collection-card h2 { margin: 8px 0 12px; font-size: 25px; }
.collection-card > p:not(.eyebrow) { max-width: 54ch; color: var(--muted); line-height: 1.55; }
.collection-card > span { display: inline-block; margin-top: 24px; text-decoration: underline; text-underline-offset: 3px; }
.result-bottom { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 14px; color: var(--muted); font-size: 13px; }
.result-facts { display: flex; flex-wrap: wrap; gap: 5px 14px; }
.external-links { display: flex; flex-wrap: wrap; gap: 11px; }
.external-links a { color: var(--ink); font-family: inherit; font-size: 13px; font-variant-emoji: text; }
.pagination { display: grid; grid-template-columns: 1fr auto 1fr; gap: 16px; padding-top: 20px; color: var(--muted); font-size: 13px; }
.pagination a:last-child { text-align: right; }

.overview-page .workspace-heading { margin-bottom: 44px; }
.overview-search { display: block; max-width: 620px; margin: 0 0 24px; }
.overview-search input { width: 100%; min-height: 48px; padding-inline: 14px; }
.empty-search { padding: 18px; border: var(--border-width) solid var(--border); color: var(--muted); }
.category-overview { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: var(--border-width) solid var(--border); border-left: var(--border-width) solid var(--border); }
.category-link, .topic-link, .related-grid article { padding: 17px; border-right: var(--border-width) solid var(--border); border-bottom: var(--border-width) solid var(--border); text-decoration: none; }
.category-link { min-height: 205px; }
.category-link h2 { margin: 5px 0 12px; font-size: 23px; }
.category-link > p:not(.eyebrow), .category-link small, .topic-link small, .related-grid p { color: var(--muted); line-height: 1.5; }
.topic-family, .detail-section { margin-top: 46px; }
.topic-family { display: block; }
.topic-family > summary { cursor: pointer; list-style: none; }
.topic-family > summary::-webkit-details-marker { display: none; }
.topic-family > summary::after { content: '−'; margin-left: 10px; color: var(--muted); font-size: 20px; }
.topic-family:not([open]) > summary::after { content: '+'; }
.section-heading h2 { margin: 0; font-size: 20px; }
.topic-grid, .related-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: var(--border-width) solid var(--border); border-left: var(--border-width) solid var(--border); }
.topic-link { display: grid; min-height: 100px; gap: 12px; }
.topic-link:hover, .category-link:hover { background: var(--surface-2); text-decoration: underline; }

.crumb { display: inline-block; margin-bottom: 28px; color: var(--muted); }
.detail-hero { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 28px; align-items: start; }
.detail-cover .show-cover { width: 180px; }
.show-facts { display: flex; flex-wrap: wrap; gap: 20px 30px; margin: 26px 0; }
.show-facts dt { margin-bottom: 6px; }
.show-facts dd { margin: 0; }
.editorial-note { max-width: 78ch; padding-left: 14px; border-left: var(--border-width) solid var(--border); color: var(--muted); line-height: 1.55; }
.rated-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: var(--border-width) solid var(--border); border-left: var(--border-width) solid var(--border); }
.rated-list a { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: baseline; min-height: 62px; padding: 13px 15px; border-right: var(--border-width) solid var(--border); border-bottom: var(--border-width) solid var(--border); text-decoration: none; }
.rated-list a:hover { background: var(--surface-2); text-decoration: underline; text-underline-offset: 3px; }
.rated-list small { color: var(--muted); white-space: nowrap; }
.secondary-categories { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; }
.secondary-categories a { color: var(--muted); font-size: 13px; }
.aliases { color: var(--muted); }
.aliases span { display: inline-block; margin: 4px 5px 0 0; padding: 4px 6px; border: var(--border-width) solid var(--border); font-size: 13px; }
.rich-text { max-width: 72ch; margin-top: 28px; font-size: 16px; line-height: 1.7; }
.rich-text, .show-result-content, .external-links { overflow-wrap: anywhere; }
.show-description { margin-top: 20px; color: var(--muted); }
.search-show-results { margin-top: 32px; }
.rich-text > :first-child { margin-top: 0; }
.rich-text p, .rich-text ul, .rich-text ol, .rich-text blockquote { margin: 0 0 1.1em; }
.rich-text ul, .rich-text ol { padding-left: 1.4em; }
.rich-text strong, .rich-text b { font-weight: 700; }
.rich-text blockquote { padding-left: 16px; border-left: var(--border-width) solid var(--border); color: var(--muted); }
.empty-panel { max-width: 700px; margin-top: 38px; padding: 25px; border: var(--border-width) solid var(--border); }
.empty-panel h1, .empty-panel h2 { margin-top: 0; }
.empty-panel p { color: var(--muted); }
.discovery-footer { padding-bottom: 32px; color: var(--muted); font-size: 13px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
[hidden] { display: none !important; }

@media (max-width:860px) { .discovery-shell { width: min(100% - 32px, 1380px); } .discovery-head-row { align-items: flex-start; flex-wrap: wrap; gap: 14px; } .discovery-head-row nav { order: 3; width: 100%; margin-right: 0; } .header-actions { margin-left: auto; } .discovery-layout { grid-template-columns: 1fr; } .filter-panel { position: static; } .topic-grid, .related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width:560px) {
  .workspace-heading h1, .home-intro h1, .detail-hero h1 { font-size: 34px; }
  .overview-page .workspace-heading { margin-bottom: 24px; }
  .wordmark { max-width: calc(100% - 100px); }
  .discovery-head-row nav { gap: 0; }
  .discovery-head-row nav a { flex: 1 1 auto; padding-inline: 8px; text-align: center; }
  .home-search { display: grid; }
  .home-search button { border: 0; border-top: var(--border-width) solid var(--border); }
  .home-links { width: 100%; }
  .home-links a { flex: 1 1 50%; min-width: 0; }
  .topic-grid, .related-grid, .category-overview, .rated-list { grid-template-columns: 1fr; }
  .show-result { grid-template-columns: 64px minmax(0, 1fr); gap: 12px; padding: 16px 0; }
  .show-cover { width: 64px; max-width: 64px; }
  .show-result h2, .show-result h3 { margin-block: 3px; font-size: 18px; line-height: 1.25; }
  .show-result .meta-line { margin-block: 5px; font-size: 10px; line-height: 1.45; letter-spacing: .06em; }
  .show-summary { display: -webkit-box; margin-top: 7px !important; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 4; }
  .tag-row { margin-top: 9px; }
  .tag-row .tag-chip:nth-of-type(n+4) { display: none; }
  .tag-more-count { display: inline-flex; }
  .show-more { margin-top: 10px; border-top: var(--border-width) solid var(--border); }
  .show-more > summary { display: flex; min-height: 44px; align-items: center; justify-content: space-between; color: var(--muted); font-size: 12px; cursor: pointer; list-style: none; text-transform: uppercase; letter-spacing: var(--label-tracking); }
  .show-more > summary::-webkit-details-marker { display: none; }
  .show-more > summary::after { content: '+'; color: var(--ink); font-size: 18px; }
  .show-more[open] > summary::after { content: '−'; }
  .show-more .result-bottom { margin: 0; padding: 4px 0 12px; }
  .detail-hero { grid-template-columns: 1fr; }
  .detail-cover .show-cover { width: 104px; max-width: 104px; }
  .result-toolbar, .result-bottom, .result-tools { align-items: flex-start; flex-direction: column; }
  .result-toolbar label, .result-toolbar select { width: 100%; }
  .collection-grid { grid-template-columns: 1fr; }
  .collection-card { min-height: 0; padding: 18px; }
  .category-link { min-height: 0; padding: 14px; }
  .category-link .eyebrow { display: none; }
  .category-link h2 { margin: 0 0 7px; font-size: 19px; }
  .category-link > p:not(.eyebrow) { display: -webkit-box; margin: 0 0 8px; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
  .topic-family { margin-top: 16px; border: var(--border-width) solid var(--border); }
  .topic-family > .section-heading { min-height: 52px; align-items: center; padding: 10px 13px; border: 0; }
  .topic-family[open] > .section-heading { border-bottom: var(--border-width) solid var(--border); }
  .topic-family .topic-grid { border: 0; }
  .topic-link { min-height: 56px; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 10px; padding: 11px 13px; border-right: 0; }
  .topic-link small { text-align: right; }
  .overview-search { position: sticky; top: 8px; z-index: 2; margin-bottom: 16px; background: var(--surface); }
  .pagination { grid-template-columns: 1fr; }
  .pagination a:last-child { text-align: left; }
}
@media (prefers-reduced-motion:reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; } }