:root{--ink:#0a1e36;--muted:#526171;--line:#d6d8dc;--panel:#fffefb;--bg:#f8f7f3;--accent:#0f2b4a;--gold:#8a6815;font-family:"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--bg)}
*{box-sizing:border-box}html{height:auto;scroll-behavior:smooth}body{margin:0;font-size:16px;line-height:1.6;background:var(--bg)}button,a{touch-action:manipulation}button{font:inherit;color:inherit;cursor:pointer}a{color:var(--accent);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:4px}button{min-height:44px}button:disabled{cursor:default}.skip-link{position:absolute;left:12px;top:-100px;z-index:100;background:var(--panel);padding:12px}.skip-link:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.atlas-header{padding:28px 28px 12px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}.atlas-title{max-width:650px}.eyebrow{font-size:12px;line-height:1.4;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}h1,h2,h3,h4,p{margin:0}h1{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:clamp(32px,4.8vw,48px);line-height:1.1;letter-spacing:-.04em}.sub{font-size:15px;color:var(--muted);margin-top:14px;max-width:61ch}.controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 14px;border:1px solid var(--line);background:var(--panel);border-radius:5px;font-size:14px;text-decoration:none;color:var(--ink)}.btn:hover{border-color:var(--accent);background:#e9eef3}.seg{display:flex;border:1px solid var(--line);border-radius:5px;overflow:hidden}.seg button{border:0;background:var(--panel);padding:8px 14px;font-size:14px}.seg button.on{background:var(--ink);color:white}.seg button:focus-visible{outline-offset:-4px}
#crumb{padding:10px 28px 16px;display:flex;gap:10px;align-items:center;color:var(--muted);font-size:14px}#crumb button{padding:0 4px;border:0;background:none;text-decoration:underline;text-underline-offset:4px;color:var(--accent)}.atlas-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(300px,1fr);gap:26px;padding:0 28px 24px;align-items:start}#stage-wrap,#panel{min-width:0}#stage{position:relative;width:100%;aspect-ratio:1.6;min-height:310px;overflow:hidden;background:radial-gradient(ellipse at center,#e9eef3, #fffefb 75%);border:1px solid var(--line);border-radius:12px}#zoomWrap{position:absolute;inset:0;transform-origin:0 0;transition:transform .7s ease}#sceneWrap{position:absolute;left:0;top:0;transform-origin:0 0}#cellImg{display:block;width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}#spots{position:absolute;inset:0;width:100%;height:100%}.zone-spot{fill:rgba(15,43,74,.025);stroke:transparent;stroke-width:2;vector-effect:non-scaling-stroke;cursor:pointer;transition:fill .2s,stroke .2s}.zone-spot:hover,.zone-spot:focus-visible{fill:rgba(15,43,74,.16);stroke:#0f2b4a;outline:0}.zone-pulse{fill:none;stroke:#0f2b4a;stroke-width:1.4;stroke-opacity:.28;vector-effect:non-scaling-stroke;pointer-events:none}#stage.zoomed .zone-spot,#stage.zoomed .zone-pulse{visibility:hidden}#tip{position:absolute;pointer-events:none;opacity:0;background:var(--ink);color:white;padding:5px 10px;border-radius:4px;font-size:13px;z-index:5;transform:translate(-50%,-130%);white-space:nowrap}#backBtn{position:absolute;top:12px;left:12px;z-index:4}#backBtn[hidden]{display:none}.stage-label{position:absolute;bottom:12px;left:14px;background:rgba(255,254,251,.95);color:var(--muted);font-size:13px;padding:4px 9px;border-radius:4px}.figure-caption{font-size:13px;color:var(--muted);margin-top:10px}.zone-navigation{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:20px}.zone-button{display:flex;align-items:center;gap:10px;width:100%;border:1px solid var(--line);border-radius:5px;background:var(--panel);padding:10px 12px;text-align:left;font-size:14px;line-height:1.4}.zone-button:last-child{grid-column:1/-1}.zone-button[aria-pressed=true]{background:#e4ebf2;border-color:var(--accent)}.zone-button:hover{border-color:var(--accent)}.zone-dot{width:9px;height:9px;border-radius:50%;flex:none}.scope-note{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);max-width:75ch}
#panel{background:var(--panel);border:1px solid var(--line);padding:24px;border-radius:12px}#panel:focus{outline:none}#panel h2{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:28px;line-height:1.2;letter-spacing:-.025em}.tag{margin-top:10px;color:var(--muted);font-size:14px}.zone-index-list{list-style:none;padding:0;margin:20px 0 0}.zone-index-list li+li{margin-top:8px}.zone-index-list .zone-button:last-child{grid-column:auto}.zone-copy{flex:1}.zone-copy strong{display:block;font-weight:600}.zone-copy small{display:block;color:var(--muted);font-size:12px;margin-top:3px}.ct{color:var(--muted);font-size:13px;font-variant-numeric:tabular-nums}.chips{display:flex;gap:7px;flex-wrap:wrap;margin:20px 0 18px}.chip{border:1px solid var(--line);background:var(--panel);border-radius:4px;padding:6px 9px;min-height:44px;font-size:12px;line-height:1.4;text-align:left}.chip.on{background:var(--ink);color:white;border-color:var(--ink)}.topic-count{font-size:13px;color:var(--muted);margin:0 0 10px}.card{display:block;width:100%;text-align:left;background:transparent;border:0;border-top:1px solid var(--line);padding:16px 0;color:var(--ink)}.card:last-child{border-bottom:1px solid var(--line)}.card:hover{color:var(--accent)}.card .top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.card .nm{font-weight:600;font-size:16px;line-height:1.35}.card .one{display:block;font-size:14px;color:var(--muted);margin-top:7px;line-height:1.5}.card .arrow{font-size:18px;color:var(--accent)}.topic-kind{display:block;font-size:11px;color:var(--muted);margin-top:8px}.empty{color:var(--muted);padding:16px 0}.atlas-footer{border-top:1px solid var(--line);margin:0 28px;padding:20px 0 26px;color:var(--muted);font-size:13px;max-width:100ch}.external-controls #cplx,.external-controls .chips{display:none}
dialog{border:1px solid var(--line);border-radius:12px;background:var(--panel);color:var(--ink);width:min(1080px,calc(100% - 32px));max-height:calc(100dvh - 40px);padding:0;margin:auto;overscroll-behavior:contain}dialog::backdrop{background:rgba(10,30,54,.67)}#lb-box{position:relative;padding:22px 34px 18px}.dialog-close{position:absolute;right:12px;top:10px;width:44px;height:44px;display:grid;place-content:center;border:1px solid var(--line);border-radius:50%;background:var(--panel);font-size:25px;line-height:1}.dialog-kicker{font-size:12px;color:var(--accent);margin:0 55px 12px 0}.dialog-sub{color:var(--muted);font-size:14px;margin-top:10px}#lb-title{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:clamp(28px,5vw,38px);line-height:1.14;letter-spacing:-.03em;margin-right:60px}#lb-content{margin-top:14px}#lb-content p{font-size:16px;line-height:1.5;margin-top:10px}#lb-content > p:first-child{margin-top:0}.detail-intro{font-size:19px!important;color:var(--accent)}.evidence{border-top:1px solid var(--line);margin-top:14px;padding-top:10px}.evidence h4{font-size:14px;font-weight:600}.evidence p{font-size:13px!important;color:var(--muted)}.evidence ol{padding-left:22px;margin:6px 0 0}.evidence li{font-size:14px;line-height:1.4;margin-top:5px}.original-figure{margin-top:24px;padding:14px 16px;border:1px solid var(--line);background:#f8f7f3;border-radius:5px}.detail-map{display:inline-block;margin-top:6px;padding:10px 0;font-size:14px}.noscript{padding:24px}
.map-header{max-width:none}.map-layout{display:grid;grid-template-columns:minmax(260px,.85fr) minmax(0,1.7fr);gap:24px;margin:0 28px 28px;align-items:start}.map-index,.map-detail{border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:24px}.map-index h2{font-family:Georgia,serif;font-size:25px;font-weight:400}.map-select{width:100%;min-height:44px;border:1px solid var(--line);background:var(--panel);padding:8px;font:inherit;color:var(--ink);margin-top:16px}.map-topic{width:100%;display:block;text-align:left;border:0;border-bottom:1px solid var(--line);background:transparent;min-height:44px;padding:12px 0;font-size:14px}.map-topic[aria-current=true]{color:var(--accent);font-weight:600}.map-detail h2{font-family:Georgia,serif;font-size:34px;line-height:1.15;font-weight:400;letter-spacing:-.03em}.map-detail .dialog-sub{margin-bottom:20px}.map-detail p{margin-top:14px}.related-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.related-button{padding:9px 12px;border:1px solid var(--line);border-radius:5px;background:#e9eef3;text-align:left;font-size:14px}.relations-heading{border-top:1px solid var(--line);margin-top:24px;padding-top:18px;font-size:16px}.relations-note{color:var(--muted);font-size:13px}.relation-visual{height:160px;background:linear-gradient(125deg,#e9eef3,#f8f7f3);border-radius:7px;margin:20px 0;overflow:hidden}.relation-visual svg{width:100%;height:100%}
@media(max-width:960px){.atlas-layout{grid-template-columns:1fr}#stage{aspect-ratio:1.75;min-height:280px}.zone-navigation{grid-template-columns:repeat(3,minmax(0,1fr))}.zone-button:last-child{grid-column:auto}.map-layout{grid-template-columns:1fr}.map-index-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}}
@media(max-width:540px){.atlas-header{padding:22px 18px 8px;gap:18px}.controls{width:100%}.controls .seg{flex:1}.controls .seg button{flex:1}#crumb{padding:5px 18px 12px}.atlas-layout{padding:0 18px 20px;gap:18px}#stage{min-height:235px;aspect-ratio:1.45}.stage-label{font-size:12px;max-width:calc(100% - 28px)}.zone-navigation{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:16px}.zone-button:last-child{grid-column:1/-1}.zone-button{padding:10px;font-size:13px}.scope-note{font-size:12px}#panel{padding:21px 18px}#panel h2{font-size:26px}.chips{gap:6px}.chip{font-size:12px}.atlas-footer{margin:0 18px;font-size:12px}#lb-box{padding:20px 22px 16px}.map-layout{margin:0 18px 20px}.map-index,.map-detail{padding:20px}.map-index-list{grid-template-columns:1fr}.map-detail h2{font-size:29px}.evidence a{overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
.eyebrow,.zone-copy small,.chip,.topic-kind,.scope-note,.atlas-footer{font-size:13px}
.map-control-label{display:block;font-size:13px;color:var(--muted);margin-top:18px}.map-select{margin-top:7px}.all-topics{margin-top:20px}.all-topics summary{font-size:14px;cursor:pointer;min-height:44px;padding-top:8px}
/* The input stays mounted while only matching topics are replaced. */
.topic-search{margin-top:20px;padding-bottom:18px;border-bottom:1px solid var(--line)}.topic-search label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}.topic-search-controls{display:flex;gap:8px;align-items:center}.topic-search input{display:block;width:100%;min-width:0;min-height:46px;border:1px solid var(--line);border-radius:5px;padding:10px 12px;background:#fff;font:inherit;font-size:16px;line-height:1.4;color:var(--ink)}.topic-search input:focus-visible{outline:3px solid var(--gold);outline-offset:3px}.topic-search-controls .btn{flex:none}.topic-search-controls [hidden]{display:none}.topic-search-status{margin-top:9px;font-size:13px;color:var(--muted);overflow-wrap:anywhere}.search-results-list{list-style:none;margin:12px 0 0;padding:0}.search-results-list .card{border-bottom:0;padding-bottom:6px}.search-results-list li:last-child{border-bottom:1px solid var(--line)}.search-compartments{display:block;color:var(--muted);font-size:12px;padding-bottom:14px}
/* Preserve the complete source image, with the dialog providing vertical scroll. */
dialog{overflow:auto;-webkit-overflow-scrolling:touch}.original-figure{margin:14px 0 0;max-width:100%}.original-figure-image{display:block;width:100%;max-width:100%;height:auto;object-fit:contain;background:#fff}.original-figure-link{display:block;line-height:0;border-radius:2px}#lb-content > p,.evidence{max-width:690px}

/* Films: one per topic.  The player takes the dialog's full column (captions are drawn into the film); the figure follows as the reference sheet. */
.film{margin:16px 0 0;padding:0}.film-head,.figure-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:0 0 8px}.figure-head{margin:22px 0 8px}
.eyebrow-film{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}.film-title{font-family:Georgia,"Times New Roman",serif;font-size:18px;letter-spacing:-.01em;color:var(--ink)}.figure-hint{font-size:13px;color:var(--muted)}
.film-player,.film-poster{display:block;width:100%;aspect-ratio:16/9;height:auto;background:#030911;border-radius:6px;object-fit:cover}.film-player:focus-visible{outline:3px solid var(--gold);outline-offset:4px}
.film-pending-note{margin:6px 0 0!important;font-size:12px!important;color:var(--muted);letter-spacing:.04em}
.film-note{font-size:13px;color:var(--muted);margin:8px 0 0!important;max-width:none!important}
.original-figure{margin-top:12px}
/* Topic rows carry the film's title card and length */
.card.has-film{display:grid;grid-template-columns:112px minmax(0,1fr);gap:14px;align-items:start}.card-media{position:relative;display:block;width:112px}.card-thumb{display:block;width:112px;height:63px;object-fit:cover;border-radius:4px;background:#030911}
.card-dur{position:absolute;right:4px;bottom:4px;padding:1px 5px;border-radius:3px;background:rgba(3,9,17,.78);color:#eef2f6;font-size:11px;font-variant-numeric:tabular-nums;letter-spacing:.02em}.card-text{display:block;min-width:0}
@media(max-width:540px){.card.has-film{grid-template-columns:88px minmax(0,1fr);gap:10px}.card-media,.card-thumb{width:88px}.card-thumb{height:50px}}