@font-face{font-family:AtlasMono;src:url('assets/inconsolata-crt.woff2') format('woff2');font-display:swap}
:root{--paper:#f3f0e7;--ink:#243a3e;--muted:#556663;--rule:#c0c8bb;--green:#457b74;--amber:#cb902a;--small:14px;font-family:'Segoe UI',Arial,sans-serif;color:var(--ink);background:#223a3b}
*{box-sizing:border-box}body{margin:0}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.4}button:focus-visible{outline:3px solid #bd7722;outline-offset:5px}button[hidden],[hidden]{display:none!important}.eyebrow{font:13px AtlasMono,monospace;letter-spacing:.13em}.masthead,.publication,.figure-footer,.drawing-index,.reader-footer,.operation li,.technical-note b{font-family:AtlasMono,monospace}
#desk{min-height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#eee9d7;padding:38px;gap:20px;background:radial-gradient(ellipse at 50% 45%,#456765,#1b3032 75%)}#desk p,#desk h1{margin:0}#desk h1{font-size:26px;font-weight:400;line-height:1.35}#desk small{font:13px AtlasMono,monospace;color:#b9c8bb}#open-book{display:flex;width:260px;height:350px;transform:rotate(-7deg);padding:0;border:0;text-align:left;box-shadow:18px 23px 35px #0c202875;background:none;transition:transform .3s}#open-book:hover{transform:rotate(-2deg) translateY(-6px)}.book-spine{width:27px;background:#e1d7c0;color:#244041;writing-mode:vertical-rl;padding:16px 6px;font:11px AtlasMono,monospace;border-right:1px solid #a7a88f}.book-cover{flex:1;display:flex;flex-direction:column;padding:22px;background:var(--paper);color:var(--ink);border:1px solid #d6c9af;border-radius:0 3px 3px 0}.book-edition{font:9px AtlasMono,monospace;letter-spacing:.07em;border-bottom:1px solid;padding-bottom:14px}.book-cover strong{font-size:30px;line-height:.98;letter-spacing:-.04em;margin-top:24px}.cover-drawing{align-self:flex-end;font-size:32px;color:#76958b;line-height:.7;transform:rotate(10deg);margin:12px}.book-bottom{font:9px AtlasMono,monospace;line-height:1.3;margin-top:auto}
dialog{width:100%;max-width:1680px;height:100svh;max-height:100svh;border:0;padding:24px 40px 18px;background:var(--paper);color:var(--ink);overflow:auto;box-shadow:0 0 100px #0e222b80}dialog::backdrop{background:#142d30dc}dialog[open]{display:flex;flex-direction:column;animation:open-plate .65s cubic-bezier(.16,1,.3,1)}@keyframes open-plate{from{opacity:0;transform:perspective(1400px) rotateY(-13deg) scale(.85)}to{opacity:1;transform:none}}
.masthead{display:flex;align-items:center;justify-content:space-between;border-bottom:1.5px solid var(--ink);padding-bottom:12px;font-size:14px;letter-spacing:.07em}.mast-sub{display:block;font-size:9px;margin-top:3px;letter-spacing:.12em}.publication{font-size:12px}.masthead button{border:0;background:none;font:13px AtlasMono,monospace;display:flex;align-items:center;gap:22px}.masthead button span{font:30px Arial;font-weight:200}.title-row{display:flex;align-items:flex-end;gap:36px;padding:23px 0 10px}.title-row .eyebrow{margin:0 0 9px}h2{font-size:clamp(36px,4.5vw,63px);line-height:.95;letter-spacing:-.055em;font-weight:600;margin:0}.intro{font-size:15px;line-height:1.6;margin:0 auto 4px 12px;max-width:390px}.plate-number{font-size:100px;letter-spacing:-.08em;line-height:.85;font-weight:300;color:#9daea0}
.plate-body{display:grid;grid-template-columns:minmax(0,1fr) 263px;gap:25px;flex:1;min-height:390px;margin-top:8px}figure{margin:0;position:relative;min-width:0;display:flex;flex-direction:column;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}.drawing-index{display:flex;justify-content:space-between;font-size:11px;letter-spacing:.09em;padding:12px 0 0;position:relative;z-index:2;pointer-events:none}#drawing{position:relative;min-height:330px;flex:1;overflow:hidden;background-image:linear-gradient(#637c7510 1px,transparent 1px),linear-gradient(90deg,#637c7510 1px,transparent 1px);background-size:30px 30px}#canvas-slot{position:absolute;inset:0}canvas{display:block;width:100%;height:100%}#fallback{width:100%;height:100%;object-fit:contain;position:absolute;inset:0}#pins{position:absolute;inset:0;pointer-events:none}.pin{position:absolute;display:grid;place-items:center;width:25px;height:25px;border:1px solid #71847b;background:var(--paper);border-radius:50%;font:12px AtlasMono,monospace;transform:translate(-50%,-50%);box-shadow:0 0 0 4px #f3f0e780}.figure-footer{display:flex;justify-content:space-between;gap:10px;font-size:10px;padding:12px 0}.swatch{display:inline-block;width:6px;height:6px;margin-right:6px;background:var(--green)}.swatch.amber{background:var(--amber)}#overview{position:absolute;bottom:36px;left:12px;font:12px AtlasMono,monospace;background:var(--paper);border:1px solid var(--rule);padding:9px}
.annotations{border-top:1px solid var(--rule);padding-top:3px;display:flex;flex-direction:column}.annotations>.eyebrow{font-size:11px;margin:11px 0 9px}.note{display:flex;gap:12px;width:100%;border:0;border-bottom:1px solid var(--rule);background:none;text-align:left;padding:10px 0}.note:hover{background:#e6e9dc}.note>b{font:13px AtlasMono,monospace;padding-top:3px;color:var(--green)}.note strong{display:block;font-weight:600;font-size:15px;margin-bottom:3px}.note span span{display:block;font-size:14px;line-height:1.35;color:var(--muted)}.technical-note{margin-top:auto;padding:12px 0 5px}.technical-note b{font-size:11px;letter-spacing:.04em}.technical-note p{font-size:14px;line-height:1.4;margin:6px 0;color:var(--muted)}
.operation{display:flex;align-items:center;gap:22px;padding:15px 0;border-bottom:1px solid var(--rule)}.operation>.eyebrow{font-size:11px;white-space:nowrap}.operation ol{display:flex;align-items:center;gap:24px;padding:0;margin:0;list-style:none}.operation li{white-space:nowrap;font-size:12px;color:#617268}.operation li span{color:#8e9e92;margin-right:5px}.operation li.active{color:#8b5419;background:#efd7a1;box-shadow:0 0 0 6px #efd7a1}.operation p{font-size:14px;line-height:1.35;margin:0 0 0 auto;max-width:370px;min-height:38px;display:flex;align-items:center}.reader-footer{display:flex;align-items:center;gap:24px;padding-top:14px;font-size:10px}.controls{display:flex;gap:10px}.controls button{display:flex;gap:20px;align-items:center;padding:12px 18px;background:none;border:1px solid var(--ink);font:13px AtlasMono,monospace;letter-spacing:.06em;min-height:44px}.controls button:first-child{background:var(--ink);color:var(--paper)}.controls button:hover:not(:disabled){background:#d5e0d5}.controls button:first-child:hover{background:#456560}.reader-footer>p{margin-left:auto;max-width:230px;line-height:1.4}.folio{display:flex;align-items:center;gap:10px;font-size:15px}.folio-rule{width:55px;height:1px;background:var(--rule)}
@media(min-width:1000px) and (max-height:820px){dialog{padding:16px 30px}.title-row{padding-top:17px}h2{font-size:49px}.plate-number{font-size:82px}.plate-body{min-height:360px}.note{padding:7px 0}.note span span{font-size:14px}.operation{padding:8px 0}.technical-note{display:none}.reader-footer{padding-top:10px}}
@media(max-width:900px){dialog{padding:20px}.publication,.plate-number{display:none}.title-row{align-items:flex-start;flex-direction:column;gap:16px}.intro{margin:0;font-size:14px}.plate-body{grid-template-columns:1fr;min-height:auto;gap:25px}#drawing{min-height:400px}.annotations{display:block}.note{padding:12px 0}.operation{align-items:flex-start;flex-direction:column;gap:12px}.operation ol{gap:16px;flex-wrap:wrap}.operation p{margin:0}.reader-footer{flex-wrap:wrap}.reader-footer>p{margin:0;max-width:180px}.folio{margin-left:auto}.figure-footer{font-size:8px}.drawing-index{font-size:9px}.controls{width:100%;flex-wrap:wrap}.controls button{flex:1;white-space:nowrap}.mast-sub{font-size:8px}.technical-note{margin-top:12px}.title-row .eyebrow{font-size:11px}}
.masthead,.title-row,.operation,.reader-footer{flex-shrink:0}.plate-body{grid-template-columns:minmax(0,1fr) 280px;min-height:440px}.technical-note{display:none}.note{padding:9px 0}.title-row{padding-top:18px}.title-row h2{font-size:clamp(36px,4.2vw,58px)}
@media(max-height:820px) and (min-width:901px){.title-row h2{font-size:44px}.plate-body{min-height:390px}.note{padding:7px 0}.note span span{line-height:1.25}.operation p{font-size:14px}}
@media(max-width:900px){.plate-body{grid-template-columns:1fr;min-height:auto}.technical-note{display:block}.title-row h2{font-size:42px}.note{padding:12px 0}dialog{height:100svh}.plate-body,figure,.annotations{flex-shrink:0}.figure-footer{flex-wrap:wrap}#drawing{min-height:380px}}
@media(prefers-reduced-motion:reduce){dialog[open]{animation:none}#open-book{transition:none}}
@media(max-width:900px){.masthead{position:sticky;top:-20px;z-index:10;background:var(--paper);padding-top:12px}#drawing{min-height:280px}}
/* The plate owns one viewport. The drawing gives up space before text does. */
dialog{height:100dvh;max-height:100dvh;overflow:hidden;padding:16px clamp(16px,2.8vw,40px)}
dialog[open]{display:grid;grid-template-rows:auto auto minmax(0,1fr) auto auto}
.masthead{padding-bottom:8px;min-height:36px}
.title-row{padding:15px 0 10px;gap:28px}
.plate-body{min-height:0;min-width:0;grid-template-rows:minmax(0,1fr);margin-top:4px;gap:24px}
figure{display:grid;grid-template-rows:auto minmax(0,1fr) auto;min-height:0}
#drawing{min-height:0;min-width:0}
.drawing-index{padding-top:9px;padding-bottom:5px}
.figure-footer{padding:9px 0}
.annotations{min-height:0;position:relative;container-type:size}
.note{flex:none}
.operation{padding:10px 0;gap:18px;min-width:0}
.operation ol{gap:18px}
.operation p{min-height:38px}
.reader-footer{padding-top:10px;min-width:0}
#overview{position:static;inset:auto;min-height:44px;padding:10px 15px}
.controls button{padding:10px 15px;gap:14px}
.technical-note{display:none}
/* Numbered selectors retain a readable active caption when the column is short. */
@container (height < 465px){
 .annotations>.eyebrow{margin:9px 0 10px}
 .note-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}
 .note{display:flex;position:static;align-items:center;justify-content:center;width:100%;height:34px;padding:0;border:1px solid var(--rule);margin:0;flex-shrink:0}
 .note:last-of-type{margin-right:0}
 .note>b{padding:0}
 .note.is-current{background:var(--ink);border-color:var(--ink)}
 .note.is-current>b{color:var(--paper)}
 .note>span{display:none;position:absolute;top:82px;left:0;right:0;pointer-events:none}
 .note.is-current>span{display:block}
 .note strong{font-size:16px;margin-bottom:7px;line-height:1.25}
 .note span span{font-size:14px;line-height:1.4}
}
/* Wrap the selector row without making the full column a horizontal flex row. */
.annotations{display:block}
@media(max-height:740px){
 .title-row{padding-top:10px;padding-bottom:8px}
 .title-row h2{font-size:38px}
 .title-row .eyebrow{margin-bottom:6px;font-size:11px}
 .plate-number{font-size:70px}
 .intro{font-size:14px;line-height:1.4}
 .operation{padding:7px 0}
 .figure-footer{padding:7px 0;font-size:9px}
}
@media(max-width:1100px){.operation{gap:12px}.operation ol{gap:12px}.operation>.eyebrow{display:none}.operation p{max-width:330px}}
@media(max-width:900px){
 dialog{padding:10px 16px}
 .masthead{position:static;padding:0 0 7px;min-height:32px;font-size:11px}
 .mast-sub{font-size:7px}
 .masthead button{font-size:11px;gap:12px}
 .title-row{display:block;padding:10px 0 8px}
 .title-row h2{font-size:32px;line-height:.98}
 .title-row .eyebrow{font-size:10px;margin-bottom:6px}
 .intro{display:none}
 .plate-body{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr) 145px;gap:9px;margin-top:2px}
 .annotations{padding:0}
 .annotations>.eyebrow{font-size:10px}
 .note>span{top:70px}
 .note strong{font-size:14px;margin-bottom:3px}
 .note span span{font-size:14px;line-height:1.3}
 .operation{display:block;padding:7px 0}
 .operation ol{display:flex;justify-content:space-between;gap:7px;margin-bottom:7px}
 .operation li{font-size:10px}
 .operation li span{margin-right:3px}
 .operation p{font-size:14px;max-width:none;min-height:37px}
 .reader-footer{display:block;padding-top:8px}
 .reader-footer>p,.folio{display:none}
 .controls{width:100%;display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:8px}
 .controls button{font-size:11px;letter-spacing:.02em;padding:9px 8px;gap:7px;justify-content:center;min-width:0}
 .figure-footer{font-size:8px;padding:6px 0;gap:5px}
 .drawing-index{font-size:9px;letter-spacing:0}
}
@media(min-width:480px) and (max-height:540px){
 .plate-body{grid-template-columns:minmax(0,1fr) 240px;grid-template-rows:minmax(0,1fr);gap:16px}
 .title-row h2{font-size:27px}.title-row h2 br{display:none}
 .title-row{padding:6px 0}.title-row .eyebrow{font-size:9px;margin-bottom:3px}
 .intro,.plate-number{display:none}
 .publication{font-size:10px}
 .operation{display:flex;gap:16px;padding:5px 0}
 .operation ol{margin:0;flex-shrink:0;gap:10px}
 .operation p{font-size:14px;min-height:36px}
 .reader-footer{padding-top:6px}
 .controls{width:auto;display:flex}
 .controls button{padding:7px 10px;min-height:38px}
 .note>span{top:68px}.note strong{font-size:14px;margin-bottom:3px}.note span span{line-height:1.25}
}
@media(min-width:480px) and (max-width:740px) and (max-height:420px){
 dialog[open]{grid-template-rows:auto minmax(0,1fr) auto auto}
 figure{grid-template-rows:minmax(0,1fr)}
 .title-row,.figure-footer,.drawing-index,.mast-sub,.publication,.operation ol{display:none}
 .masthead{min-height:30px}
 .annotations>.eyebrow{display:none}
 .note-list{margin-top:7px}
 .note>span{top:54px}
 .operation p{max-width:none;margin-left:0}
}
@media(max-width:479px) and (max-height:650px){
 .mast-sub,.figure-footer{display:none}
 .title-row{padding:6px 0}
 .title-row h2{font-size:26px}
 .title-row .eyebrow{font-size:9px;letter-spacing:0}
}