.library-nav{display:flex;gap:24px;align-items:center;border-bottom:1px solid var(--line);margin:0 0 26px;padding-bottom:13px;overflow:auto}.library-nav a{font-size:15px;color:var(--muted);white-space:nowrap;padding:6px 1px}.library-nav a.active{color:var(--blue);font-weight:650;border-bottom:2px solid var(--blue)}.discovery-panel>.searchbox{margin-bottom:18px}.topic-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.topic-cover{display:flex;flex-direction:column;background:white;border:1px solid var(--line);border-radius:15px;padding:28px;color:var(--ink);min-height:215px}.topic-cover:hover{border-color:#a7c5b2;box-shadow:0 7px 22px #2035270a}.topic-number{font-size:12px;color:var(--blue)}.topic-cover h2{margin:15px 0 10px;font-size:23px}.topic-cover p{font-size:14px;color:var(--muted);margin:0 0 20px;line-height:1.8}.topic-open{font-size:13px;color:var(--blue);margin-top:auto}.topic-back{display:inline-block;font-size:13px;margin-bottom:20px;color:var(--muted)}.topic-layout{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:30px;align-items:start}.topic-article{background:white;border:1px solid var(--line);border-radius:15px;padding:36px 42px}.topic-article h1{font-size:32px}.topic-lead{font-size:16px;color:var(--muted);line-height:1.9}.topic-meta{font-size:12px;color:var(--muted);border-bottom:1px solid var(--line);padding:0 0 24px}.topic-meta button{color:var(--blue);margin-left:12px}.topic-chapter{margin-top:35px;scroll-margin-top:25px}.chapter-number{font-size:12px;letter-spacing:2px;color:var(--blue)}.topic-chapter h2{font-size:22px;margin:7px 0 14px}.chapter-copy{font-size:15px;line-height:2;white-space:pre-wrap;overflow-wrap:anywhere;color:#52685d}.topic-references{display:grid;gap:10px;margin-top:18px}.reference-card{text-align:left;padding:16px 18px;border:1px solid var(--line);border-radius:9px;background:#f8fbf9;display:grid;grid-template-columns:50px minmax(0,1fr);gap:5px 12px}.reference-type{font-size:11px;color:var(--blue);grid-row:span 3;padding-top:3px}.reference-card strong{font-size:14px}.reference-card>span:not(.reference-type){font-size:13px;color:var(--muted);line-height:1.7}.reference-card small{font-size:11px;color:var(--blue)}.reference-card:hover{border-color:#a7c5b2}.topic-toc{position:sticky;top:25px;padding:18px;background:#edf3ef;border-radius:10px;display:flex;flex-direction:column;gap:13px;font-size:13px}.topic-toc a{color:var(--muted);line-height:1.7}.topic-policy{font-size:12px;line-height:1.8;color:var(--muted);margin-top:35px;border-top:1px solid var(--line);padding-top:18px}.topic-locked{max-width:740px;background:white;border:1px solid var(--line);border-radius:15px;padding:30px}.topic-locked>.primary{margin-top:20px}.topic-section-editor{border:1px solid var(--line);background:#f8fbf9;padding:18px;border-radius:10px;margin:20px 0}.topic-section-editor .panel-heading{margin-bottom:14px}.topic-section-editor button{font-size:12px;color:var(--blue)}.topic-section-editor select{width:100%}.reference-unavailable{font-size:12px;color:var(--muted)}
@media(max-width:800px){.library-nav{gap:19px;margin-bottom:22px}.library-nav a{font-size:14px}.topic-layout{grid-template-columns:1fr}.topic-toc{position:static;grid-row:1}.topic-article{padding:25px}.topic-article h1{font-size:27px}.topic-list{grid-template-columns:1fr}.topic-cover{padding:24px;min-height:0}.topic-cover h2{font-size:21px}}
@media(max-width:480px){.library-nav{gap:18px}.library-nav a{font-size:13px}.topic-article{padding:22px 18px}.topic-article h1{font-size:24px}.topic-chapter h2{font-size:20px}.topic-lead{font-size:14px}.chapter-copy{font-size:14px}.reference-card{padding:13px;grid-template-columns:35px minmax(0,1fr);gap:5px 9px}.topic-toc{padding:15px}.topic-section-editor{padding:13px}}

.reference-picker{max-height:200px;overflow:auto;background:white;border:1px solid var(--line);border-radius:7px;padding:7px 11px}.reference-picker label{display:flex;align-items:center;gap:9px;padding:7px 0;font-size:12px;line-height:1.6}.reference-picker input{flex-shrink:0;width:16px;height:16px;accent-color:var(--blue)}

/* First paint uses the same catalog width before JavaScript/data arrive. */
.library-startup{position:relative}.startup-label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skeleton{display:block;background:#e6ede9;border-radius:6px}.startup-nav{display:flex;gap:24px;border-bottom:1px solid var(--line);padding:6px 0 19px;margin-bottom:26px;overflow:hidden}.startup-nav>.skeleton{width:52px;height:24px;flex-shrink:0}.startup-heading{display:grid;gap:12px;margin-bottom:25px}.skeleton-kicker{width:140px;height:19px}.skeleton-title{width:240px;max-width:80%;height:36px}.skeleton-copy{width:300px;max-width:90%;height:21px}.startup-filters{padding:24px 25px;background:white;border:1px solid var(--line);border-radius:15px}.skeleton-search{height:50px;width:100%;margin-bottom:18px}.startup-tags{display:flex;gap:10px;overflow:hidden}.startup-tags>.skeleton{width:95px;height:37px;flex-shrink:0}.startup-toolbar{display:flex;justify-content:space-between;margin:24px 0 17px}.startup-toolbar>.skeleton{width:150px;height:34px}.startup-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.startup-card{background:white;border:1px solid var(--line);border-radius:15px;padding:20px;min-height:167px;display:flex;flex-direction:column;gap:13px}.startup-card>.skeleton-title{width:60%;height:25px}.startup-card>.skeleton-copy{height:19px;width:95%}.skeleton-tag{width:115px;height:20px}.skeleton-footer{height:14px;margin-top:auto;width:100%}
@media(max-width:1200px){.startup-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:800px){.startup-nav{gap:19px;margin-bottom:22px}.startup-heading>.skeleton-title{height:31px}.startup-filters{padding:18px}.startup-cards{gap:13px}.startup-card{padding:18px}.startup-toolbar>.skeleton{width:110px}}
@media(max-width:480px){.startup-cards{grid-template-columns:1fr}}