:root{--page: #0f172a;--surface: #1e293b;--hairline: #334155;--text: #e2e8f0;--muted: #94a3b8;--accent: #60a5fa;--action: #3b82f6;--action-hover: #2563eb;--column: 46rem}*{box-sizing:border-box}[hidden]{display:none!important}html{overflow-x:hidden}body{margin:0;padding:0 1rem 4rem;background:var(--page);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6;overflow-x:hidden}h1,h2,h3{line-height:1.2;margin:0 0 .5rem}h1{font-size:clamp(2.5rem,12vw,4.5rem);letter-spacing:-.02em;color:var(--accent)}h2{font-size:clamp(1.5rem,6vw,2rem)}a{color:var(--accent)}.hero,main>section,footer{max-width:var(--column);margin:0 auto}.hero{padding:3rem 0 2rem;text-align:center}.tagline{font-size:clamp(1.05rem,4vw,1.3rem);color:var(--text);margin:0 auto 2rem;max-width:34rem}.hero-caption,.play-hint,.fine{color:var(--muted);font-size:.9rem}.hero-board,.teach-board,.play-board{display:flex;justify-content:center;margin:0 auto 1rem;min-height:4rem}.hero-board canvas,.teach-board canvas,.play-board canvas{max-width:100%;height:auto;border:1px solid var(--hairline);border-radius:.5rem;background:var(--surface)}.play-board canvas{touch-action:manipulation!important;box-sizing:content-box;max-width:calc(100% - 2px)}@media(max-width:40rem){.play-board{margin-left:-1rem;margin-right:-1rem}}.btn{display:inline-block;border:1px solid var(--hairline);background:var(--surface);color:var(--text);font:inherit;font-weight:600;padding:.7rem 1.4rem;border-radius:.5rem;cursor:pointer;text-decoration:none}.btn:hover{border-color:var(--accent)}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn-primary{background:var(--action);border-color:var(--action);color:#fff}.btn-primary:hover{background:var(--action-hover);border-color:var(--action-hover)}.btn-quiet{background:transparent;color:var(--muted);font-weight:400;padding:.4rem .8rem}#btn-play-jump+#btn-play-friend-primary{margin-left:.5rem}main>section{padding:3rem 0;border-top:1px solid var(--hairline)}.steps{list-style:none;counter-reset:step;padding:0;margin:2rem 0}.steps li{counter-increment:step;position:relative;padding-left:3rem;margin-bottom:2rem}.steps li:before{content:counter(step);position:absolute;left:0;top:0;width:2rem;height:2rem;display:grid;place-items:center;border-radius:50%;background:var(--surface);border:1px solid var(--hairline);color:var(--accent);font-weight:700}.steps p{margin:0;color:var(--muted)}.teach{margin:2rem 0 1rem;padding:1.5rem 0 0}.teach figcaption{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center;justify-content:center;color:var(--muted);font-size:.9rem}.honest{color:var(--muted);font-size:.9rem;font-style:italic}.map-picker{border:0;margin:0 0 1.5rem;padding:0;min-width:0}.map-picker legend{font-weight:600;padding:0;margin-bottom:.75rem}.map-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));gap:1rem}.map-card{display:flex;flex-direction:column;gap:.35rem;padding:1rem;background:var(--surface);border:1px solid var(--hairline);border-radius:.5rem;cursor:pointer;min-width:0}.map-card:hover{border-color:var(--accent)}.map-card:has(input:checked){border-color:var(--accent);outline:2px solid var(--accent);outline-offset:0}.map-card:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:2px}.map-preview{align-self:center;width:100%;max-width:9rem;aspect-ratio:1;margin-bottom:.5rem}.map-preview svg{display:block;width:100%;height:100%}.map-preview .floor{fill:var(--page)}.map-preview .wall{fill:var(--muted)}.map-name{display:flex;align-items:center;gap:.5rem;font-weight:700}.map-name input{accent-color:var(--action);margin:0}.map-facts{color:var(--text);font-size:.9rem}.map-blurb{color:var(--muted);font-size:.9rem}.scoreline{display:flex;flex-wrap:wrap;gap:1.25rem;justify-content:center;margin-bottom:1rem;font-variant-numeric:tabular-nums}.scoreline .you{color:var(--accent);font-weight:700}.scoreline .them{color:#f87171;font-weight:700}.skip-anchor{position:relative;height:0}.skip-view{position:absolute;top:.5rem;right:0;z-index:2;padding:.25rem;background:var(--surface);border:1px solid var(--hairline);border-radius:.5rem;line-height:0}.skip-view canvas{display:block}.play-controls{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center;margin-top:1rem}.play-controls input{flex:1 1 12rem;min-width:0;max-width:30rem;font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--hairline);border-radius:.5rem;padding:.6rem}.play-error{background:#7f1d1d;border:1px solid #b91c1c;border-radius:.5rem;padding:1rem;color:#fee2e2}.outcome{font-size:1.2rem;font-weight:700;color:var(--accent)}footer{padding-top:3rem;text-align:center;border-top:1px solid var(--hairline);margin-top:3rem}.feedback{max-width:46rem;margin:0 auto;padding:2rem 1rem 3rem}.feedback-blurb{color:var(--muted, #9aa4b2);margin-bottom:1rem}.feedback form{display:flex;flex-direction:column;gap:.6rem;align-items:flex-start}.feedback label{font-weight:600}.feedback textarea{width:100%;box-sizing:border-box;padding:.6rem;font:inherit;color:inherit;background:#ffffff0a;border:1px solid rgba(255,255,255,.18);border-radius:6px;resize:vertical}.feedback textarea:focus-visible,.feedback button:focus-visible{outline:2px solid #7aa2ff;outline-offset:2px}.feedback-status{min-height:1.4em;margin-top:.8rem;color:var(--muted, #9aa4b2)}.piece-tray{border:0;margin:0 0 .5rem;padding:0;min-width:0}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.piece-chips{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:.4rem}.piece-chip{display:flex;flex-direction:column;align-items:center;gap:.1rem;min-width:0;padding:.35rem .25rem;background:var(--surface);border:1px solid var(--hairline);border-radius:.5rem;cursor:pointer;font-size:.8rem;line-height:1.2;text-align:center}.piece-chip:hover{border-color:var(--accent)}.piece-chip:has(input:checked){border-color:var(--accent);outline:2px solid var(--accent);outline-offset:0}.piece-chip:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:2px}.piece-chip:has(input:disabled){opacity:.5;cursor:default}.piece-chip input{margin:0;accent-color:var(--accent)}.piece-glyph{font-size:1.1rem;letter-spacing:.05em;color:var(--accent)}.piece-name{overflow-wrap:anywhere}body.friend{--friend-column: 760px;display:flex;flex-direction:column;align-items:center;gap:1rem;padding:1.5rem 1rem 4rem;min-height:100vh}body.friend .friend-title{font-size:1.5rem;font-weight:700;letter-spacing:0;color:var(--text);margin:0}body.friend .wordmark{color:var(--accent);text-decoration:none}body.friend .wordmark:hover{text-decoration:underline}body.friend #lobby{width:100%;max-width:var(--friend-column)}body.friend #lobby-body{display:flex;flex-direction:column;align-items:center;gap:.75rem}body.friend #lobby-status{color:var(--text);font-size:1.05rem;text-align:center;min-height:1.6rem}body.friend .lobby-link{display:flex;gap:.5rem;align-items:center;justify-content:center;width:100%}body.friend #lobby-join-row{flex-wrap:wrap}body.friend #lobby-join-row .k{color:var(--muted);font-size:.9rem;flex-basis:100%;text-align:center}body.friend #lobby-create-row{flex-direction:column}body.friend .mode-choice{border:0;margin:0;padding:0;min-width:0;width:min(100%,18rem)}body.friend .mode-reason{color:var(--muted);font-size:.85rem;text-align:center;margin:.35rem 0 0}body.friend .friend-map,body.friend .friend-wait{color:var(--muted);font-size:.9rem;text-align:center}body.friend .friend-wait{flex-basis:100%;min-height:1.4rem}body.friend #lobby-join-link{flex:1;min-width:0;max-width:28rem;background:var(--page);color:var(--text);border:1px solid var(--hairline);border-radius:.5rem;padding:.55rem .75rem;font:inherit;font-size:.9rem}body.friend .btn:disabled{background:var(--hairline);border-color:var(--hairline);color:var(--muted);cursor:not-allowed}body.friend .btn-quiet{border-color:var(--hairline)}body.friend #board{display:flex;justify-content:center;width:100%;max-width:var(--friend-column);background:var(--surface);border:1px solid var(--hairline);padding:.75rem;border-radius:.5rem;line-height:0}body.friend #board canvas{cursor:crosshair;touch-action:manipulation!important;box-sizing:content-box;max-width:calc(100% - 2px);height:auto;border:1px solid var(--hairline);border-radius:.25rem}@media(max-width:40rem){body.friend #board{align-self:stretch;width:auto;max-width:none;margin-left:-1rem;margin-right:-1rem;padding-left:0;padding-right:0;border-left-width:0;border-right-width:0;border-radius:0}body.friend #lobby-status{min-height:2.8rem}body.friend{padding-bottom:1rem}}body.friend #lobby-create-row{min-height:2.75rem}body.friend #lobby-join-row{min-height:5.5rem}body.friend #match-chip{display:flex;align-items:center;justify-content:center;gap:.45rem;min-height:1.6rem;height:1.6rem;white-space:nowrap;overflow:hidden;color:var(--muted);font-size:.9rem}body.friend .match-chip-dot{width:.55rem;height:.55rem;border-radius:50%;background:var(--hairline);flex:none}body.friend #match-chip[data-state=open]{color:var(--text)}body.friend #match-chip[data-state=open] .match-chip-dot{background:var(--accent)}body.friend #match-chip[data-state=stalled] .match-chip-dot{background:#f59e0b}body.friend #piece-tray{width:100%;max-width:var(--friend-column);margin:0}body.friend #piece-chips{overflow-x:auto;grid-auto-columns:minmax(5.5rem,1fr)}body.friend .piece-left{color:var(--muted);font-size:.75rem}body.friend #play-hint{margin:0;min-height:1.4rem;text-align:center}body.friend .practise-row{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;min-height:2.75rem}body.friend .practise-label{margin:0;color:var(--muted);font-size:.9rem;text-align:center;min-height:1.4rem}body.friend .practise{display:flex;flex-direction:column;align-items:center;gap:.5rem;width:100%;max-width:var(--friend-column)}body.friend .practise-score{margin:0;min-height:1.4rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;color:var(--text);font-size:.95rem}body.friend .practise-board{display:flex;flex-direction:column;align-items:center;width:100%;background:var(--surface);border:1px solid var(--hairline);padding:.75rem;border-radius:.5rem;line-height:0}body.friend .practise-board canvas{cursor:crosshair;touch-action:manipulation!important;box-sizing:content-box;max-width:calc(100% - 2px);height:auto;border:1px solid var(--hairline);border-radius:.25rem}body.friend .practise-hint{line-height:1.4;margin:.5rem 0 0;min-height:1.4rem;text-align:center}body.friend .practise .piece-tray{width:100%;margin:0}body.friend #practise-chips{overflow-x:auto;grid-auto-columns:minmax(5.5rem,1fr)}body.friend[data-practising] #match-chip{visibility:hidden}body.friend[data-practising] #piece-tray,body.friend[data-practising] #play-hint{display:none}body.friend .practise-label:empty{display:none}@media(max-width:40rem){body.friend .practise-board{align-self:stretch;width:auto;margin-left:-1rem;margin-right:-1rem;padding-left:0;padding-right:0;border-left-width:0;border-right-width:0;border-radius:0}}body.friend .share-row{width:100%;max-width:var(--friend-column)}body.friend .share-row .play-controls{margin-top:0}body.friend .share-row .play-controls+.play-controls{margin-top:.75rem}body.friend .match-list{width:100%;max-width:28rem;display:flex;flex-direction:column;gap:.4rem}body.friend .match-list-title{font-size:.9rem;font-weight:600;color:var(--muted);margin:0}body.friend .match-list-empty{color:var(--muted);font-size:.9rem;margin:0}body.friend .match-list-storage{color:var(--muted);font-size:.85rem;margin:0}body.friend .match-row{display:flex;align-items:center;gap:.5rem;padding:.4rem 0;border-top:1px solid var(--hairline)}body.friend .match-words{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;line-height:1.3}body.friend .match-status{color:var(--text);font-size:.95rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}body.friend .match-yours{color:var(--accent);font-size:.8rem}body.friend .match-map{color:var(--muted);font-size:.85rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}body.friend .match-map:empty{display:none}body.friend .match-actions{flex:none;display:flex;gap:.4rem;white-space:nowrap}body.friend .match-list-refusal{color:var(--text);font-size:.9rem;margin:0}body.friend .watch-chip{margin:0;padding:.3rem .8rem;border:1px solid var(--hairline);border-radius:999px;color:var(--muted);font-size:.9rem}.play-board,body.friend .practise-board,body.friend #board{position:relative}.direction-overlay{position:absolute;z-index:2;line-height:1}.direction-square{position:absolute;box-sizing:border-box;border:2px solid var(--accent);border-radius:.2rem;pointer-events:none}.direction-arrow{position:absolute;box-sizing:border-box;margin:0;padding:0;background:var(--surface);border:1px solid var(--hairline);border-radius:.5rem;color:var(--accent);font-size:1.4rem;line-height:1;cursor:pointer;touch-action:manipulation}.direction-arrow:hover,.direction-arrow:focus-visible{border-color:var(--accent);outline:2px solid var(--accent);outline-offset:0}.path-overlay{position:absolute;z-index:1;pointer-events:none}.path-overlay svg{display:block;width:100%;height:100%;overflow:visible}.path-overlay .path-line{fill:none;stroke:currentColor;stroke-width:.14;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:.32 .18;opacity:.85}.path-overlay .path-start{fill:currentColor}.path-overlay .path-turn{fill:var(--surface);stroke:currentColor;stroke-width:.08}.spawn-popup-layer{position:absolute;z-index:2;line-height:1}.spawn-popup{position:absolute;box-sizing:border-box;background:var(--surface);border:1px solid var(--hairline);border-radius:.5rem;box-shadow:0 4px 14px #00000073;overflow:hidden}.spawn-popup-swap{animation:spawn-popup-swap .12s ease-out}@keyframes spawn-popup-swap{0%{opacity:.4}to{opacity:1}}@media(prefers-reduced-motion:reduce){.spawn-popup-swap{animation:none}}.spawn-popup button{position:absolute;box-sizing:border-box;margin:0;padding:0 .5rem;background:transparent;border:0;color:var(--text);font:inherit;font-size:.85rem;cursor:pointer;touch-action:manipulation}.spawn-popup button:hover,.spawn-popup button:focus-visible{background:var(--hairline);outline:2px solid var(--accent);outline-offset:-2px}.spawn-popup .spawn-popup-piece{display:flex;align-items:center;gap:.4rem;text-align:left;border-bottom:1px solid var(--hairline)}.spawn-popup-piece .piece-name{overflow:hidden;font-size:.8rem;line-height:1.1}.spawn-popup-piece .piece-glyph{flex:none}.spawn-popup-count{margin-left:auto;color:var(--muted)}.spawn-popup .spawn-popup-arrow{padding:0;color:var(--accent);font-size:1.4rem}.spawn-popup-aimed{position:absolute;display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:.85rem;pointer-events:none}.spawn-popup .spawn-popup-back,.spawn-popup .spawn-popup-cancel{color:var(--muted);border-top:1px solid var(--hairline)}.selection-form{display:inline-flex;max-width:100%;margin-top:.4rem;border:1px solid var(--hairline);border-radius:.5rem;overflow:hidden;font-size:.8rem}.selection-form-option{display:flex;align-items:center;gap:.3rem;min-height:2rem;padding:.2rem .6rem;background:var(--surface);cursor:pointer;line-height:1.2}.selection-form-option+.selection-form-option{border-left:1px solid var(--hairline)}.selection-form-option:has(input:checked){color:var(--accent);box-shadow:inset 0 0 0 2px var(--accent)}.selection-form-option input{margin:0;accent-color:var(--accent)}