@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&display=swap');
:root{--bg:#f5f4ed;--ink:#30382d;--muted:#8a8e80;--olive:#78834b;--line:#dddfd2;--tile:#eeeee5;--cell:62px;font-family:'DM Sans','Noto Sans SC',sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}button:disabled{opacity:.35;cursor:default}button:focus-visible,a:focus-visible{outline:2px solid var(--olive);outline-offset:4px}button{transition:background .18s,transform .18s}button:hover:not(:disabled){background:#e9ebdf}button:active:not(:disabled){transform:translateY(1px)}a{color:inherit;text-decoration:none}.topbar{height:94px;margin:0 4%;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:15px}.brand strong{font-size:22px;letter-spacing:3px}.wordmark{font-size:11px;letter-spacing:2px;margin-left:6px;border-left:1px solid var(--line);padding-left:22px}.brand-mark{width:33px;height:29px;position:relative}.brand-mark i{position:absolute;width:22px;height:22px;border:2px solid var(--olive);border-radius:5px;left:0;top:0}.brand-mark i+ i{left:10px;top:8px;background:var(--bg)}.top-actions{display:flex;align-items:center;gap:22px}.prototype{font-size:11px;color:var(--muted);letter-spacing:1px}.prototype b{font-weight:500;padding:3px 6px;border:1px solid var(--line);border-radius:4px;margin-left:8px}.quiet-button{font-size:12px;padding:10px 9px;border-radius:6px}.quiet-button span{margin-left:10px}.icon-button{width:33px;height:33px;border:1px solid var(--line);border-radius:50%;font-size:19px}.layout{max-width:1500px;margin:auto;display:grid;grid-template-columns:190px minmax(430px,1fr) 200px;gap:42px;padding:48px 4% 25px}.eyebrow{font-size:10px;letter-spacing:1.8px;color:var(--muted);font-weight:600}.sidebar{padding-top:7px}#chapters{margin-top:25px;display:flex;flex-direction:column;gap:9px}.chapter-button{text-align:left;padding:16px 12px;display:flex;gap:13px;border-radius:8px;align-items:center;border:1px solid transparent}.chapter-button.active{background:#e9ecdd;border-color:#d9dfc8}.chapter-index{font-size:12px;color:#a2a590}.chapter-button.active .chapter-index{color:var(--olive)}.chapter-name{font-size:14px;font-weight:500}.chapter-name small{display:block;font-size:10px;color:var(--muted);font-weight:400;margin-top:4px;letter-spacing:.6px}.chapter-status{margin-left:auto;font-size:10px;color:#969d80}.journey{margin-top:33px;padding:0 12px}.journey>div:first-child{display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}.journey strong{font-weight:500}.progress-track{height:4px;border-radius:2px;background:#e0e2d5;margin-top:12px;overflow:hidden}.progress-track i{display:block;height:100%;width:0;background:var(--olive);transition:width .3s}.journey p{font-size:10px;color:var(--muted);margin-top:13px}.sidebar-note{margin:68px 12px 0;color:#90957f}.sidebar-note>span{font-size:28px}.sidebar-note p{font-size:10px;line-height:1.9}.level-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:25px}.level-heading h1{font-size:25px;letter-spacing:1px;margin:12px 0 0;font-weight:500;display:flex;gap:15px;align-items:center}#level-number{font-family:'DM Sans',sans-serif;color:#a0a88b;font-size:29px;font-weight:400}.level-select{align-self:flex-end;color:#737966;margin-bottom:1px}.game-card{background:#fafbf5;border:1px solid #dfe3d3;border-radius:15px;overflow:hidden;box-shadow:0 8px 30px #36412104}.board-top{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 25px}.level-badge{font-size:10px;border:1px solid #dfe3d2;padding:5px 10px;border-radius:20px;color:#7d8666}.counters{display:flex;gap:22px;font-size:10px;color:var(--muted)}.counters b{font-size:13px;color:#4a533e;font-weight:500;margin-left:7px;font-variant-numeric:tabular-nums}.board-stage{position:relative;min-height:400px;display:flex;align-items:center;justify-content:center;padding:26px 24px 38px;background:radial-gradient(ellipse at center,#f0f2e680,transparent 75%)}#board{position:relative;width:calc(var(--cols)*var(--cell));height:calc(var(--rows)*var(--cell));flex-shrink:0;outline:none;touch-action:none;user-select:none}#board:focus-visible{outline:2px solid #a8b484;outline-offset:10px;border-radius:6px}.tile{position:absolute;left:calc(var(--x)*var(--cell));top:calc(var(--y)*var(--cell));width:calc(var(--cell) - 3px);height:calc(var(--cell) - 3px);margin:1.5px;border-radius:5px;background:var(--tile)}.tile.wall{background:#d9ddcf;box-shadow:inset 0 2px 0 #e3e7dc,inset 0 -4px 0 #cdd3c2;border:1px solid #d0d6c5}.tile.wall:after{content:'';position:absolute;inset:8px;border:1px solid #cbd1c033;border-radius:2px}.goal:after{content:'';position:absolute;inset:29%;border:1.5px dashed #a1ab7f;border-radius:50%}.piece{position:absolute;left:calc(var(--x)*var(--cell));top:calc(var(--y)*var(--cell));width:var(--cell);height:var(--cell);display:grid;place-items:center;will-change:transform;z-index:3;pointer-events:none}.box-body{height:76%;width:76%;background:#8f9e66;border:1px solid #75864e;box-shadow:0 4px 0 #6f7f47,0 7px 8px #4c573a15,inset 0 1px 0 #b2c08c;border-radius:8px;display:grid;place-items:center;font-size:calc(var(--cell)*.32);font-weight:600;color:#fffef6;position:relative}.box-body:before{content:'';position:absolute;inset:5px;border:1px solid #d4e1b14d;border-radius:4px}.pair-1 .box-body{background:#c59670;border-color:#b17e58;box-shadow:0 4px 0 #a97751,0 7px 8px #573a3a15,inset 0 1px 0 #e2bfa2}.on-goal .box-body:after{content:'✓';position:absolute;right:-4px;top:-5px;font-size:10px;background:#fbfcf5;border-radius:50%;color:#73814e;width:16px;height:16px;display:grid;place-items:center;border:1px solid #9fac7f}.player-body{width:54%;height:54%;border:5px solid #fcfdf6;border-radius:50%;background:#464f3c;box-shadow:0 3px 0 #d0d4c5,0 4px 8px #303d341f;display:flex;justify-content:center;align-items:center;gap:5px}.player-body:before,.player-body:after{content:'';height:4px;width:3px;background:#f8f9f0;border-radius:50%}.link-layer{position:absolute;width:100%;height:100%;overflow:visible;pointer-events:none;z-index:2}.link-layer line{stroke:#88976d;stroke-width:1.3;stroke-dasharray:4 6;opacity:.48}.link-layer line.second{stroke:#b78b6a}.link-layer line.flash{stroke-width:2.5;opacity:.9;animation:link-flash .4s}.link-layer polyline{fill:none;stroke:#a2af7b;stroke-width:2;stroke-dasharray:3 4}.blocked .box-body:after{content:'×';position:absolute;right:-6px;top:-7px;border-radius:50%;background:#fbf2e7;color:#a77143;font-size:15px;line-height:20px;width:20px;text-align:center;border:1px solid #dbb995}.board-bottom{min-height:51px;border-top:1px solid #e8ebdf;display:flex;align-items:center;justify-content:center;gap:9px;font-size:11px;color:#868d75;padding:10px 20px}.live-dot{height:5px;width:5px;border-radius:50%;background:#9daa79;flex-shrink:0}.control-bar{display:flex;align-items:center;justify-content:space-between;padding:19px 0}.history-controls{display:flex;gap:8px}.control-button{font-size:11px;display:flex;align-items:center;gap:8px;border:1px solid #dfe1d4;border-radius:7px;padding:9px 11px;background:#f9f9f1}.control-button>span{font-size:18px;line-height:16px}kbd{font-family:inherit;font-size:9px;color:#a2a692;border:1px solid #e1e4d6;padding:1px 4px;border-radius:3px}.keyboard-tip{font-size:9px;color:#a0a48f}.keyboard-tip span{color:#7e856b;letter-spacing:2px;margin:0 3px}.level-strip{display:flex;justify-content:center;gap:11px;padding-top:18px}.level-dot{height:31px;min-width:31px;border-radius:50%;font-size:10px;color:#909680;border:1px solid transparent}.level-dot.active{border-color:#9aa67d;color:#5b6c3f;background:#eef0e4}.level-dot.done{color:#6b7f43}.insight{padding-top:92px}.insight h2{font-size:24px;line-height:1.6;font-weight:500;letter-spacing:.8px;margin:17px 0 20px}.rule-visual{display:flex;align-items:center;gap:15px;margin:23px 0}.mini-box{width:43px;height:43px;display:grid;place-items:center;color:#fff;background:#929f71;border:1px solid #818e5f;border-radius:8px;box-shadow:0 3px 0 #7f8f59;font-size:19px}.mini-box.twin{background:#a5b184}.rule-visual>span{color:#9ca886;line-height:.85;font-size:23px}.insight p{font-size:12px;line-height:1.9;color:#8b917d}.insight strong{color:#697554;font-weight:500}.insight-divider{height:1px;background:var(--line);margin:25px 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solid #dce1cf;border-radius:16px;background:#f8f9f1;color:var(--ink);padding:30px;width:min(620px,92vw);max-height:88vh;box-shadow:0 20px 80px #30382d22}dialog::backdrop{background:#30382d44;backdrop-filter:blur(4px)}.dialog-title{display:flex;justify-content:space-between;align-items:center}.dialog-title h2{font-weight:500;font-size:24px;margin:10px 0 20px}.chapter-group h3{font-size:12px;font-weight:500;margin:20px 0 10px}.chapter-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.chapter-grid button{padding:13px 3px;border:1px solid #dce1ce;border-radius:7px;font-size:13px}.chapter-grid button small{display:block;font-size:8px;color:#8c947d;margin-top:7px}.chapter-grid button.done{background:#e7edda}.chapter-grid button.active{border-color:#869760}.dialog-foot{font-size:10px;color:#929982;margin:24px 0 0}.rules-list{padding-left:25px;margin:5px 0 27px}.rules-list li{padding:12px 0 10px 9px;font-size:14px}.rules-list strong{font-weight:500}.rules-list p{font-size:12px;line-height:1.9;color:#808b70;margin:9px 0 0}@keyframes shake{25%{transform:translateX(-3px)}75%{transform:translateX(3px)}}@keyframes link-flash{0%{stroke-dashoffset:15}100%{stroke-dashoffset:0}}@media(min-width:1450px){.layout{gap:55px}.board-stage{min-height:480px}}@media(max-width:1150px){.layout{grid-template-columns:155px minmax(400px,1fr);gap:30px}.insight{display:none}.sidebar-note{margin-top:50px}.keyboard-tip{font-size:9px}}@media(max-width:760px){.topbar{height:73px;margin:0 5%}.brand{gap:12px}.brand strong{font-size:19px}.wordmark{display:none}.top-actions{gap:12px}.prototype{display:none}.layout{display:flex;flex-direction:column;padding:22px 5%;gap:23px}.sidebar{padding:0}.sidebar>.eyebrow,.journey,.sidebar-note{display:none}#chapters{flex-direction:row;gap:7px;margin:0;overflow:auto}.chapter-button{flex:1;min-width:65px;padding:9px 8px;justify-content:center;gap:7px}.chapter-index{font-size:9px}.chapter-name{font-size:11px}.chapter-name small,.chapter-status{display:none}.level-heading{margin-bottom:17px}.level-heading h1{font-size:23px}.board-top{padding:0 16px;height:54px}.counters{gap:13px}.board-stage{min-height:0;padding:21px 12px 30px}.board-bottom{font-size:10px;min-height:48px}.keyboard-tip{display:none}.control-bar{padding:14px 0}.touch-controls{display:block}.level-strip{padding-top:15px}.insight{display:none}footer{padding:12px 5% 25px;justify-content:center;font-size:8px}footer>span:last-child{display:none}.win-card{inset:8px}.win-card h2{font-size:21px}.win-symbol{margin-bottom:10px}.win-card p{margin:12px 0 18px}.win-card .eyebrow{font-size:8px}.dialog-title h2{font-size:20px}.chapter-grid button small{font-size:7px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}@media(pointer:coarse){.touch-controls{display:block}}