:root{color:#3e493e;font-synthesis:none;background:#f6f0e3;font-family:Yu Gothic,Hiragino Kaku Gothic ProN,system-ui,sans-serif;font-weight:500}*{box-sizing:border-box}body{background:radial-gradient(at 90% 0,#e5e9d766,#0000 55%);min-height:100vh;margin:0}button{font:inherit;color:inherit;cursor:pointer}button:focus-visible,summary:focus-visible{outline-offset:4px;outline:3px solid #327e70}button:disabled{opacity:.4;cursor:default}.app{max-width:1120px;margin:auto;padding:30px 28px 34px}.page-header{margin-bottom:25px;position:relative}.eyebrow{letter-spacing:.2em;color:#79816d;margin:0 0 9px;font-size:10px;font-weight:750}.page-header .eyebrow{justify-content:space-between;display:flex}h1{letter-spacing:.08em;margin:14px 0 10px;font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:clamp(29px,4vw,44px);font-weight:700;line-height:1.4}h1 span{white-space:nowrap}.lead{color:#73806d;letter-spacing:.08em;margin:0;font-size:13px}.level-tabs{gap:9px;margin-bottom:18px;display:flex}.level-tabs button{background:0 0;border:1px solid #d8d8c7;border-radius:8px;min-height:44px;padding:11px 16px;font-size:12px}.level-tabs button[aria-current=true]{color:#fff;background:#3e6556;border-color:#3e6556}.level-tabs b{margin-right:7px;font-size:14px}.play-layout{grid-template-columns:minmax(0,720px) minmax(220px,1fr);align-items:start;gap:28px;display:grid}.sheet{background:#fffdf7;border:1px solid #ded8c9;border-radius:18px;overflow:hidden;box-shadow:0 12px 30px #65634408}.board-heading{justify-content:space-between;align-items:center;padding:22px 25px 0;display:flex}.board-heading .eyebrow{font-size:9px}h2{letter-spacing:.03em;margin:0;font-size:19px}.move-counter{background:#f1f2e8;border-radius:10px;align-items:baseline;gap:5px;margin:0;padding:8px 14px;display:flex}.move-counter strong{font-variant-numeric:tabular-nums;font:700 27px Georgia,serif}.move-counter span{font-size:11px}.board{aspect-ratio:600/440;touch-action:none;-webkit-user-select:none;user-select:none;isolation:isolate;width:100%;position:relative}canvas{pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.stop,.knot{touch-action:none;background:0 0;border:0;place-items:center;width:44px;height:44px;padding:0;display:grid;position:absolute;transform:translate(-50%,-50%)}.stop{z-index:1;border-radius:50%}.stop:before{content:"";background:#fff9ef;border:2px solid #a79272;border-radius:50%;width:10px;height:10px;box-shadow:0 2px 2px #8f7f6720}.stop.goal:before{border:2px dashed var(--knot);background:#fffdf7;width:34px;height:34px}.stop span{color:var(--knot);font-size:13px;font-weight:800;position:absolute}.stop.available:after{content:"";background:#35867608;border:2px solid #35867688;border-radius:50%;position:absolute;inset:1px}.knot{z-index:3;cursor:grab;filter:drop-shadow(0 3px 2px #78684d22);border-radius:50%;width:50px;height:50px;transition:left .1s,top .1s}.knot svg{pointer-events:none;width:100%;height:100%;overflow:visible}.knot[aria-pressed=true]{background:#ffffffb5;box-shadow:0 0 0 3px #376b5950}.knot.dragging{cursor:grabbing;z-index:5;transition:none}.knot.delivered{filter:drop-shadow(0 3px 2px #386b5930)}#feedback{text-align:center;color:#65765c;min-height:25px;margin:0 0 13px;padding:0 18px;font-size:13px;line-height:1.6}.toolbar{justify-content:center;gap:10px;padding:0 24px 21px;display:flex}.toolbar button{background:#fffdf7;border:1px solid #dcd9c9;border-radius:9px;min-height:44px;padding:10px 22px;font-size:12px}.toolbar button:hover:not(:disabled){background:#f1f3e8}.result{background:#e7eee0;border-top:1px solid #d7dfcf;justify-content:space-between;align-items:center;gap:12px;padding:20px 24px;display:flex}.result[hidden]{display:none}.result h3{margin:0 0 5px;font-family:Yu Mincho,serif;font-size:20px}.result p:last-child{margin:0;font-size:12px}.result button{color:#fff;white-space:nowrap;background:#3e6556;border:0;border-radius:8px;min-height:44px;padding:14px;font-size:12px}.notes{padding-top:9px}.note{border-top:2px solid #799075;padding-top:23px}.notes h2{margin:15px 0;font-size:17px}.notes p{color:#68745f;font-size:13px;line-height:1.95}.notes strong{color:#43553f}.notes .eyebrow{font-size:10px}.deliveries{gap:8px;margin:21px 0;display:flex}.delivery{background:#fffdf7;border:1px solid #dedaca;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:9px 11px;font-size:12px;display:flex}.delivery b{color:var(--knot);font-size:15px}.delivery.done{background:#e4ebdb;border-color:#9eb494}.notes .small{font-size:12px}details{border-top:1px solid #d8d7c7;margin-top:25px;padding-top:16px}summary{cursor:pointer;min-height:35px;font-size:12px}details p{font-size:12px!important}.notes .little-note{color:#91967b;margin-top:30px;font-family:Yu Mincho,serif;font-size:13px}@media (min-width:900px) and (max-height:850px){.app{max-width:1010px;padding-top:20px}.page-header{margin-bottom:18px}h1{margin-top:6px;font-size:36px}.play-layout{grid-template-columns:minmax(0,640px) minmax(220px,1fr)}}@media (max-width:760px){.app{padding:22px 16px}.page-header{margin-bottom:20px}.play-layout{grid-template-columns:1fr;gap:24px}.notes{padding:0 8px}.level-tabs{gap:6px}.level-tabs button{flex:1;padding:10px 3px;font-size:10px}.level-tabs b{margin-right:4px}.board-heading{padding:19px 18px 0}h2{font-size:17px}.knot{width:44px;height:44px}.note{padding-top:18px}.notes h2{margin:8px 0}.deliveries{margin:14px 0}.notes .little-note{margin-top:16px}.result{padding:17px}.toolbar{padding:0 15px 18px}.toolbar button{padding:10px 16px}.board{margin-top:14px}#feedback{font-size:12px}.result h3{font-size:18px}}@media (prefers-reduced-motion:reduce){.knot{transition:none}}button{touch-action:manipulation}.knot,.stop{touch-action:none}.knot{transition:none}@media (min-width:900px){.board{aspect-ratio:auto;height:clamp(290px,100svh - 430px,440px)}}.knot:disabled,.stop:disabled{opacity:1}@media (max-width:760px){.result{display:block}.result button{width:100%;margin-top:16px}}.settings{align-items:center;gap:18px;margin-bottom:18px;display:flex}.settings>span{color:#68745f;white-space:nowrap;font-size:12px}.settings .level-tabs{flex:1;max-width:400px;margin:0}.level-tabs button[aria-pressed=true]{color:#fff;background:#3e6556;border-color:#3e6556}.toolbar{grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.toolbar button{padding:10px 6px}.deliveries{flex-wrap:wrap}.stop.route-target:after{content:"";background:#35867618;border:3px solid #358676;border-radius:50%;position:absolute;inset:0}.stop.blocked-target:after{content:"";background:#ce614e18;border:3px solid #ce614e;border-radius:50%;position:absolute;inset:0}.knot.travelling{z-index:4}@media (max-width:760px){.settings{display:block}.settings>span{margin-bottom:9px;display:block}.settings .level-tabs{max-width:none}.toolbar{gap:6px}.toolbar button{font-size:11px}.delivery{padding:8px 10px}}