.lib-eyebrow{color:var(--primary);font-size:.76rem;font-weight:750;text-transform:uppercase;letter-spacing:.09em;margin:0 0 .5rem}
.lib-filters{padding:24px;margin:24px 0;background:var(--surface);border:1px solid var(--border)}
.lib-search-label,.lib-filter>span{display:block;font-size:.85rem;font-weight:650;margin-bottom:6px}
.lib-search-row{display:flex;gap:12px}.lib-search-row input{flex:1;min-width:0}.lib-search-row .btn{padding-left:28px;padding-right:28px}
.lib-filter-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:20px}.lib-filter .input{width:100%;min-width:0}
.lib-advanced{margin-top:20px;border-top:1px solid var(--border);padding-top:16px}.lib-advanced summary,.lib-summary-sources summary{cursor:pointer;font-weight:600;color:var(--primary)}
.lib-filter-footer{display:flex;gap:20px;align-items:end;justify-content:space-between;margin-top:20px}.lib-sort{max-width:250px}.lib-filter-footer>a{margin-bottom:10px;font-size:.88rem}
.lib-hint{font-size:.85rem;color:var(--muted,var(--text));opacity:.8}.lib-browse,.lib-active{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 28px}.lib-result-head h2{font-size:1.1rem}
.lib-catalogue-list{list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;padding:0;margin:20px 0}.lib-catalogue-item{display:flex;flex-direction:column;padding:24px;min-width:0}
.lib-catalogue-list>.card{margin:0}.lib-case-details{font-size:.85rem;line-height:1.65;margin:0 0 20px}.lib-case-details>div{display:grid;grid-template-columns:160px minmax(0,1fr);gap:12px;padding:8px 0;border-bottom:1px solid var(--border)}.lib-case-details dt{color:var(--muted);font-weight:600}.lib-case-details dd{margin:0;overflow-wrap:anywhere}.lib-article-categories{display:flex;flex-wrap:wrap;gap:6px;margin:16px 0}
.lib-catalogue-item h3{font-size:1.1rem;line-height:1.45;margin:14px 0 10px}.lib-catalogue-item h3 a{color:var(--text);text-decoration:none}.lib-catalogue-item h3 a:hover{color:var(--primary);text-decoration:underline}.lib-catalogue-item>p{font-size:.92rem;line-height:1.65;margin:0 0 18px}
.lib-tags{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:center;font-size:.76rem;color:var(--muted,var(--text))}.lib-tags>span:first-child{font-weight:750;color:var(--primary)}.lib-text-state{background:var(--surface2);padding:3px 8px;border-radius:5px}
.lib-item-footer{display:flex;gap:12px;justify-content:space-between;align-items:end;margin-top:auto;border-top:1px solid var(--border);padding-top:16px;font-size:.8rem}.lib-category-link{max-width:65%;text-decoration:none}.lib-read{font-weight:650;white-space:nowrap}
.lib-editor-note{padding:12px 16px;border:1px solid var(--border);background:var(--surface2);border-radius:8px;font-size:.9rem}
.lib-article-head{margin:20px 0 32px}.lib-article-head h1{font-size:clamp(1.6rem,3vw,2.4rem);line-height:1.25;max-width:960px;margin:16px 0 24px;overflow-wrap:anywhere}.lib-back{display:inline-block;font-size:.86rem;margin-bottom:20px}.lib-actions{display:flex;flex-wrap:wrap;gap:10px}
.lib-reading-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:36px;align-items:start}.lib-toc{position:sticky;top:24px;max-height:calc(100vh - 48px);overflow:auto;padding:18px;background:var(--surface);border:1px solid var(--border);border-radius:12px;font-size:.8rem}.lib-toc summary{font-weight:750;cursor:pointer;font-size:.9rem}.lib-toc ol{list-style:none;padding:0;margin:12px 0 0}.lib-toc li{margin:0}.lib-toc a{display:block;padding:7px 8px;border-left:2px solid transparent;text-decoration:none;color:var(--text);overflow-wrap:anywhere;line-height:1.4}.lib-toc a:hover,.lib-toc a[aria-current]{color:var(--primary);border-left-color:var(--primary);background:var(--surface2)}.lib-toc .toc-level-3 a{padding-left:18px;font-size:.76rem}
.lib-toc{top:var(--lib-sticky-offset,96px);max-height:calc(100vh - var(--lib-sticky-offset,96px) - 24px)}.lib-article[id],.lib-reading-body section[id],.lib-source-text [id]{scroll-margin-top:var(--lib-sticky-offset,96px)!important}
.lib-reading-body{min-width:0}.lib-reading-body section[id],.lib-source-text [id]{scroll-margin-top:24px}.lib-summary,.lib-sources,.lib-related{padding:28px;margin-bottom:32px}.lib-summary{border-top:3px solid var(--primary)}.lib-summary h2,.lib-sources h2,.lib-related h2{font-size:1.3rem;margin:0 0 16px}.lib-summary p{line-height:1.75}.lib-summary-sources{font-size:.83rem;border-top:1px solid var(--border);padding-top:14px;margin-top:20px}.lib-summary-sources ul{padding-left:20px}
.lib-document{margin:36px 0}.lib-document>h2{font-size:1.3rem;border-bottom:1px solid var(--border);padding-bottom:16px}.lib-source-text{max-width:none!important;line-height:1.85;font-size:1rem!important;overflow-wrap:anywhere}.lib-source-text h2{font-size:1.15rem;margin:40px 0 18px;line-height:1.5}.lib-source-text h3,.lib-source-text h4{font-size:1.05rem}.lib-source-text p{margin:1em 0}.lib-source-text a{word-break:break-word}.lib-source-text .lib-table-scroll{overflow-x:auto;max-width:100%;margin:20px 0;border:1px solid var(--border)}.lib-table-scroll table{min-width:600px;margin:0}.lib-source-text td,.lib-source-text th{font-size:.84rem;line-height:1.55;min-width:100px}.lib-source-text img{max-width:100%;height:auto}
.lib-alternative{padding:24px;margin:32px 0;scroll-margin-top:var(--lib-sticky-offset,96px)}.lib-alternative>summary{cursor:pointer;font-size:1.15rem;font-weight:700;color:var(--primary);line-height:1.5}.lib-alternative .lib-document{margin:24px 0 0}.lib-alternative-toc{padding:16px;background:var(--surface2);border-radius:8px;font-size:.85rem}.lib-alternative-toc ol{margin:0;padding-left:24px}.lib-alternative-toc li{margin:8px 0}
.lib-availability{background:var(--surface2);padding:16px 20px;border-radius:8px;font-size:.9rem;margin:20px 0}.lib-availability p{margin-top:0}.lib-file-list{list-style:none;padding:0}.lib-file-list li{display:flex;flex-direction:column;gap:5px;padding:14px 0;border-bottom:1px solid var(--border)}.lib-file-list a{overflow-wrap:anywhere}.lib-source-links,.lib-related ul{padding-left:20px;line-height:1.8}
.lib-back-top{position:fixed;right:max(24px,env(safe-area-inset-right));bottom:max(24px,env(safe-area-inset-bottom));z-index:40;display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;padding:0;border:1px solid rgba(255,255,255,.22);border-radius:50%;background:var(--primary);color:var(--on-primary);box-shadow:0 6px 20px rgba(16,24,40,.2);text-decoration:none;transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease}
.lib-back-top[hidden]{display:none}.lib-back-top svg{width:22px;height:22px;flex-shrink:0}.lib-back-top:hover{background:var(--primary-hover);color:var(--on-primary);box-shadow:0 8px 24px rgba(16,24,40,.26);transform:translateY(-3px)}.lib-back-top:focus-visible{outline:3px solid var(--focus);outline-offset:4px}
@media(max-width:540px){.lib-back-top{right:max(16px,env(safe-area-inset-right));bottom:max(16px,env(safe-area-inset-bottom));width:48px;height:48px}}
@media(prefers-reduced-motion:reduce){.lib-back-top{transition:none}.lib-back-top:hover{transform:none}}
@media(min-width:851px){.lib-toc summary{list-style:none}}
@media(max-width:850px){.lib-reading-layout{grid-template-columns:1fr;gap:20px}.lib-toc{position:static;max-height:360px}.lib-filter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.lib-catalogue-list{grid-template-columns:1fr}}
@media(max-width:540px){.lib-filters,.lib-catalogue-item,.lib-summary,.lib-sources,.lib-related{padding:18px}.lib-filter-grid{grid-template-columns:1fr;gap:12px}.lib-search-row{gap:8px}.lib-search-row .btn{padding-left:16px;padding-right:16px}.lib-filter-footer{flex-wrap:wrap;gap:12px}.lib-sort{max-width:none;width:100%}.lib-item-footer{align-items:start;flex-direction:column}.lib-category-link{max-width:100%}.lib-actions .btn{font-size:.84rem}.lib-article-head{margin-bottom:20px}}
@media(max-width:540px){.lib-case-details>div{grid-template-columns:1fr;gap:2px}}

/* Reading text follows paragraphs and sections rather than the source paper width. */
.lib-source-text{max-width:75ch!important;font-size:1.0625rem!important;line-height:1.8;text-align:left}
.lib-source-text p{white-space:normal;margin:0 0 1.15em;text-align:left}
.lib-source-text h2{font-size:1.3rem;line-height:1.45;margin:2.4em 0 .8em}
.lib-source-text h3,.lib-source-text h4{font-size:1.12rem;line-height:1.5;margin:1.8em 0 .7em}
.lib-source-text ul,.lib-source-text ol{padding-left:1.5em;margin:1em 0 1.5em}
.lib-source-text li{margin:.45em 0}
.lib-source-text table p{margin:0 0 .5em}
@media(max-width:540px){.lib-source-text{font-size:1rem!important;line-height:1.75}}