/* Shared landing typography, notebook palette and rounded controls. */
.site-header{padding:16px 0;border-bottom:1px solid var(--line);background:var(--paper)}
.site-header>.wrap{display:flex;align-items:center;justify-content:space-between;gap:20px}
.site-header nav{display:flex;gap:20px;font-size:15px;flex-wrap:wrap}
.site-header nav a{color:var(--ink);text-decoration:none;font-weight:700}.site-header nav a:hover{color:var(--accent-dark)}
.brand{text-decoration:none;color:var(--ink)}
.article.wrap{max-width:1240px;padding-top:30px;padding-bottom:60px}
.article h1{font-size:clamp(34px,4.4vw,54px);font-weight:800;margin:18px 0 14px;line-height:1.15}
.article h2{font-size:clamp(25px,2.7vw,34px);font-weight:800;line-height:1.2}
.article h3{font-size:22px;margin:20px 0 12px}
.article p,.article li{line-height:1.7}.article li{margin-bottom:10px}
.article .lead{font-size:20px;color:var(--muted);max-width:790px}
.article section{padding:28px 0}.article .prose{max-width:850px}
.breadcrumbs{font-size:14px;color:var(--muted);line-height:1.8}
.catalog-head{padding:10px 0 28px;max-width:880px}
.catalog-meta,.material-subtitle{color:var(--muted);font-size:16px;line-height:1.6}.catalog-meta{margin-top:16px}
.article-head{margin-bottom:26px}
.resource-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;margin-top:24px}
.resource-card{display:grid;grid-template-columns:185px 1fr;background:var(--surface);border:2px solid var(--line);border-radius:22px;overflow:hidden;color:var(--ink);text-decoration:none;box-shadow:var(--shadow);transition:transform .18s,border-color .18s}
.resource-card:hover{transform:translateY(-4px);border-color:var(--accent)}
.resource-preview{display:flex;align-items:center;justify-content:center;background-color:var(--paper2);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:22px 22px;padding:18px}
.resource-preview img{display:block;width:100%;height:auto;background:white;box-shadow:0 5px 16px #2a273326;transform:rotate(-2deg);transition:transform .18s}.resource-card:hover .resource-preview img{transform:rotate(0)}
.resource-info{padding:24px;min-width:0}.resource-kind{color:var(--accent-dark);font-size:13px;font-weight:800}
.resource-card h3{font:800 24px/1.2 "Nunito",sans-serif;margin:9px 0 12px}
.resource-card p{font-size:15px;line-height:1.65;color:var(--muted);margin:0}
.resource-info small{display:block;font-size:13px;color:var(--muted);margin-top:14px}
.resource-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;margin-top:16px}.resource-bottom b{color:var(--accent-dark);font-size:14px}
.article .material-showcase{display:grid;grid-template-columns:minmax(0,2fr) minmax(290px,1fr);gap:34px;padding:0;align-items:start;margin-bottom:34px}
.document-viewer{background:var(--paper2);border:2px solid var(--line);border-radius:22px;overflow:hidden;min-width:0;box-shadow:var(--shadow)}
.document-stage{padding:18px;display:flex;justify-content:center}.document-image-link{display:block;width:100%;line-height:0}
.document-image{display:block;width:100%;height:auto;background:#fff;box-shadow:0 5px 18px #2a273322}
.viewer-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);background:var(--surface);padding:14px}.viewer-toolbar[hidden]{display:none}
.viewer-toolbar button{padding:10px 16px;min-height:44px;border:2px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);font:800 14px/1.3 "Nunito",sans-serif;cursor:pointer}.viewer-toolbar button:hover:not(:disabled){border-color:var(--accent)}.viewer-toolbar button:disabled{opacity:.4;cursor:default}
.page-status{flex:1;min-width:0;font-size:14px;line-height:1.4;color:var(--muted);text-align:center}.viewer-hint{font-size:13px!important;color:var(--muted);padding:0 18px 14px;text-align:center!important}.material-info{padding:6px 0}.material-info h2{margin-bottom:16px}
.material-info p{font-size:17px;color:var(--muted);margin:0 0 20px}
.material-includes{list-style:none;padding:0;margin:0 0 24px;font-size:15px;color:var(--ink)}.material-includes li{padding-left:24px;position:relative;line-height:1.5}.material-includes li:before{content:'✓';position:absolute;left:0;color:var(--green);font-weight:800}
.material-info .file-meta{font-size:14px;margin-bottom:18px}.material-info .btn{display:flex;width:100%;margin:14px 0;min-height:56px;padding:12px 18px;text-align:center;font-size:17px}
.material-info .sample-note{font-size:13px;line-height:1.65;margin-top:20px}.material-personal{border-top:2px dashed var(--line);padding-top:26px;margin-top:28px}.material-personal h2{font-size:28px}
.article .context-panel{display:grid;grid-template-columns:1fr 1.3fr;gap:32px;background:var(--sky-soft);border:2px solid var(--line);border-radius:22px;padding:28px;margin:38px 0}
.context-panel p{font-size:16px;line-height:1.7;margin-top:12px}.context-panel .prompt{padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:16px;font-size:16px;line-height:1.7;margin:0 0 16px;white-space:pre-wrap}.context-panel .prompt-label{font-size:13px;color:var(--muted);margin:0 0 10px}.context-panel .btn{font-size:15px;padding:12px 20px;min-height:48px}.copy-status{min-height:24px;font-size:13px;color:var(--green);margin-top:10px}
.guide-details{margin:30px 0;font-size:16px;border:1px solid var(--line)}.guide-details>summary{padding:4px 0;font-weight:800;align-items:center}
.prose details{margin-top:12px;border:1px solid var(--line)}.prose details summary{font-size:17px;align-items:start}.prose details p{font-size:16px}
section[id]{scroll-margin-top:90px}.material-showcase a:focus-visible,.resource-card:focus-visible,.viewer-toolbar button:focus-visible{outline:3px solid var(--pen);outline-offset:4px}.lib-row{text-decoration:none;color:var(--ink)}
@media(pointer:fine){a.btn,.resource-card,.lib-row,.viewer-toolbar button:not(:disabled),summary{cursor:url('/img/pointer-hand.svg') 12 2,pointer}}
@media(max-width:1050px){.resource-card{grid-template-columns:155px 1fr}.resource-info{padding:20px}.article .material-showcase{gap:24px;grid-template-columns:minmax(0,1.6fr) minmax(280px,1fr)}}
@media(max-width:760px){.resource-grid{grid-template-columns:1fr;gap:20px}.resource-card{grid-template-columns:155px 1fr}.article .material-showcase{grid-template-columns:1fr}.material-personal{margin-top:24px}.article .context-panel{grid-template-columns:1fr;gap:14px;padding:22px}.article.wrap{padding-top:22px}.document-stage{padding:10px}.article-head{margin-bottom:20px}.site-header nav{gap:8px 14px;font-size:13px;max-width:130px}.site-header .brand small{font-size:11px}}
@media(max-width:420px){.resource-card{grid-template-columns:125px 1fr}.resource-preview{padding:12px}.resource-info{padding:16px}.resource-card h3{font-size:21px}.resource-card p{font-size:14px}.resource-bottom{flex-wrap:wrap}.viewer-toolbar{padding:10px;gap:6px}.viewer-toolbar button{padding:8px 10px;font-size:13px}.page-status{font-size:12px}.material-subtitle{font-size:15px}.breadcrumbs{font-size:12px}.site-header>.wrap{gap:12px}.site-header .brand b{font-size:18px}}
@media(prefers-reduced-motion:reduce){.resource-card,.resource-preview img{transition:none}.resource-card:hover{transform:none}}

@media(max-width:360px){.site-header>.wrap{align-items:flex-start;flex-direction:column;gap:8px}.site-header nav{max-width:none;gap:16px}}