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var(--body);color:var(--ink);caret-color:var(--brick);-webkit-tap-highlight-color:transparent}::selection{background:var(--brick);color:var(--paper)}#scene{touch-action:none;width:100%;height:100%;display:block}:where(button){font:inherit;color:inherit}:focus-visible{outline:2px solid var(--brick);outline-offset:2px}a{color:var(--brick-deep);text-underline-offset:3px;text-decoration-thickness:1px}a:hover{color:var(--brick);text-decoration-thickness:2px}.visually-hidden{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}kbd{font:400 12px/1 var(--mono);border:1px solid var(--rule);background:var(--paper);color:var(--ink);white-space:nowrap;border-bottom-width:2px;border-radius:2px;padding:2px 5px 3px}.btn,#controls button,#card .actions button,#credits-btn{border:1px solid var(--rule);background:var(--paper);min-height:36px;color:var(--ink);font:500 14px/1.2 var(--body);cursor:pointer;border-radius:2px;padding:6px 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28px;overflow-y:auto}.chapter-body::-webkit-scrollbar{width:8px}.chapter-body::-webkit-scrollbar-thumb{background:var(--rule);border-radius:2px}.chapter-body>h3:first-child{margin-top:18px}.chapter-body h3{font:italic 400 21px/1.2 var(--display);color:var(--ink);margin:26px 0 6px}.chapter-body p{font:400 16px/1.6 var(--body);max-width:62ch;margin:0 0 12px}.chapter-body .lede{margin-top:18px;font-size:18px;line-height:1.5}.chapter-body .credits p,.chapter-body .keys{font-size:14px}.chapter-body .sources{margin:0;padding-left:1.1em;font-size:14px;line-height:1.5}.chapter-body .sources li{margin:0 0 4px}.chapter-body .keys{grid-template-columns:auto 1fr;align-items:baseline;gap:8px 14px;margin:0;display:grid}.chapter-body .keys dt{white-space:nowrap}.chapter-body .keys dd{margin:0}.chapter-body .further{border-top:1px solid var(--rule);margin-top:22px;padding-top:12px}.chapter-body .further summary{cursor:pointer;font:italic 400 19px/1.3 var(--display);color:var(--ink);margin-left:18px;padding:6px 0;list-style-position:outside}.chapter-body .further summary:hover{color:var(--brick)}.chapter-body .further summary:focus-visible{outline:2px solid var(--brick);outline-offset:2px}.chapter-body .further h3{margin-top:18px;font-size:19px}.chapter-body .close-line{font:italic 400 18px/1.5 var(--body);margin-top:22px}.chapter-body .story-nav{border-top:1px solid var(--rule);flex-wrap:wrap;justify-content:space-between;gap:8px;margin-top:22px;padding-top:16px;display:flex}.chapter-body .story-nav [data-dir=next]{margin-left:auto}.chapter-body .story-nav .primary{background:var(--ink);border-color:var(--ink);color:var(--paper)}.chapter-body .story-nav .primary:hover{background:#2c3530}.chapter-body .story-nav+.more{border-top:0;margin-top:12px;padding-top:0}.chapter-body .more{border-top:1px solid 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var(--body);border-radius:50%;place-content:center;justify-items:center;gap:2px;display:grid;position:fixed}#hold-walk svg{fill:none;width:24px;height:24px;stroke:var(--ink);stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round}#hold-walk.held{background:var(--ink);color:var(--paper)}#hold-walk.held svg{stroke:var(--paper)}#stats{right:var(--gutter);background:var(--paper);max-width:46ch;box-shadow:var(--shadow);font:400 12px/1.5 var(--mono);color:var(--ink);border-radius:2px;margin:0;padding:6px 10px;position:fixed;bottom:60px}#stats[hidden]{display:none}#credits-line{right:var(--gutter);bottom:var(--gutter);margin:0;position:fixed}body.panel-open #credits-line{display:none}@media (pointer:coarse){body.walking #credits-line{display:none}}#credits-btn{min-height:32px;color:var(--ink);box-shadow:var(--shadow);padding:4px 10px;font-size:13px}#loading{z-index:2000;transition:opacity .7s var(--ease);background:#c6d2da;position:fixed;inset:0;overflow:hidden}#loading .cover-img img{object-fit:cover;object-position:47% 40%;transform-origin:47% 48%;width:100%;height:100%;animation:60s cubic-bezier(.33,0,.2,1) both drift;position:absolute;inset:0}@keyframes drift{0%{transform:scale(1)}to{transform:scale(1.06)}}#loading .plate-note{right:var(--gutter);bottom:var(--gutter);background:var(--paper);font:italic 400 13px/1.3 var(--body);color:var(--muted);border-radius:2px;margin:0;padding:4px 9px 5px;position:absolute}#loading .cover-card{left:var(--gutter);bottom:var(--gutter);width:min(420px, calc(100vw - 2 * var(--gutter)));max-height:calc(100% - 2 * var(--gutter));box-sizing:border-box;background:var(--paper);box-shadow:var(--shadow);border-radius:2px;padding:22px 24px 20px;position:absolute;overflow-y:auto}#loading .cover-card p{margin:0 0 10px;font-size:15px;line-height:1.5}#loading .wordmark{font:400 44px/1 var(--display);margin:0}#loading .when{color:var(--muted);margin:4px 0 16px;font-size:15px}#loading .lede{font-size:17px;line-height:1.45}#loading .made{color:var(--muted)}#loading .progress{border-top:1px solid var(--rule);margin-top:16px;padding-top:14px}#loading .bar{background:var(--rule);height:2px;overflow:hidden}#loading .bar i{background:var(--brick);width:0;height:100%;transition:width .3s var(--ease);display:block}#loading .cover-card .msg{font:italic 400 15px/1.4 var(--body);color:var(--muted);margin:8px 0 0}#loading .msg strong{color:var(--ink);font-style:normal;font-weight:600}#loading .enter,#loading .retry{flex-wrap:wrap;gap:8px;margin:12px 0 0;display:flex}#loading .enter[hidden]{display:none}#loading .enter .btn{min-height:44px;padding:8px 16px;font-size:15px}#loading .btn.primary{background:var(--ink);border-color:var(--ink);color:var(--paper)}#loading .btn.primary:hover{background:#2c3530}#loading.ready .bar,#loading.failed .bar{display:none}#loading.done{opacity:0;pointer-events:none}@media (width<=640px){#loading .plate-note,#loading .made{display:none}#loading .cover-img img{object-position:50% 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button{flex:1;padding:6px 10px}#hint-btn{top:70px}#card .actions button{min-height:40px}#chapter{top:auto;left:var(--gutter);right:var(--gutter);width:auto;bottom:var(--gutter);max-height:72vh}.chapter-head{padding:14px 12px 10px 18px}.chapter-head h2{font-size:28px}.chapter-body{padding:0 18px 20px}#walk-hint{max-width:calc(100vw - 2 * var(--gutter));font-size:13px;top:70px}#hold-walk{bottom:calc(var(--card-h,120px) + 2 * var(--gutter) + env(safe-area-inset-bottom))}#credits-line{display:none}#stats{bottom:calc(var(--card-h,120px) + 2 * var(--gutter) + env(safe-area-inset-bottom));left:var(--gutter);right:auto}}@media (pointer:coarse){#card .marks button{width:40px;height:40px;margin:-20px 0 0 -20px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}#build{z-index:1500;background:var(--paper);color:var(--ink);scrollbar-width:thin;scrollbar-color:var(--rule) transparent;overscroll-behavior:contain;position:fixed;inset:0;overflow-y:auto}#build[hidden]{display:none}#build .build-bar{z-index:1;padding:10px var(--gutter) 10px 24px;background:var(--paper);border-bottom:1px solid var(--rule);justify-content:space-between;align-items:center;display:flex;position:sticky;top:0}#build .build-bar .kicker{font:400 20px/1 var(--display);margin:0}#build article{max-width:760px;margin:0 auto;padding:48px 24px 96px}#build .kicker{font:italic 400 16px/1.3 var(--body);color:var(--muted);margin:0 0 6px}#build h2{font:400 56px/1 var(--display);text-wrap:balance;margin:0 0 18px}#build h2:focus{outline:none}#build .lede{font:400 20px/1.5 var(--body);max-width:60ch;margin:0}#build h3{border-top:1px solid var(--ink);font:400 32px/1.1 var(--display);margin:64px 0 20px;padding-top:14px}#build h4{font:italic 400 24px/1.2 var(--display);margin:0}#build p{font:400 16px/1.65 var(--body);max-width:64ch}#build .when{color:var(--muted);margin:2px 0 10px;font-size:14px}#build .steps{margin:0;padding:0;list-style:none}#build .steps>li{border-bottom:1px solid var(--rule);grid-template-columns:56px 1fr;gap:0 16px;padding:22px 0;display:grid}#build .steps>li:last-child{border-bottom:0}#build .step-no{font:400 44px/.9 var(--display);color:var(--brick);margin:0}#build figure{margin:18px 0 6px}#build figure img{background:var(--plate);border-radius:2px;width:100%;height:auto;display:block}#build figcaption{font:italic 400 14px/1.4 var(--body);color:var(--muted);margin-top:6px}#build .trio{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}#build .trio img{aspect-ratio:14/9;object-fit:cover}#build .pair{grid-template-columns:1fr 1fr;gap:12px;display:grid}#build .pair img{aspect-ratio:16/10;object-fit:cover}#build .tools{grid-template-columns:minmax(150px,200px) 1fr;gap:14px 24px;margin:0;display:grid}#build .tools dt{font:600 16px/1.4 var(--body)}#build .tools dd{font:400 16px/1.6 var(--body);margin:0}#build .lessons{margin:0;padding-left:1.1em}#build .lessons li{font:400 17px/1.55 var(--body);max-width:62ch;margin:0 0 8px}#build .lessons li::marker{color:var(--brick)}#build .aside{color:var(--muted);margin-top:20px;font-size:14px}.chapter-body .build-link{margin:18px 0 4px;display:block}@media (width<=640px){#build article{padding:28px 16px 64px}#build h2{font-size:40px}#build .lede{font-size:18px}#build h3{margin-top:44px;font-size:27px}#build .steps>li{grid-template-columns:1fr}#build .step-no{margin-bottom:6px;font-size:32px}#build .trio,#build .pair,#build .tools{grid-template-columns:1fr}#build .tools{gap:4px}#build .tools dd{margin-bottom:12px}}