:root{color-scheme:light;--ink:#203e39;--muted:#526b66;--paper:#fbfcf7;--ground:#eaf0e8;--line:#94aaa0;--target:#f1c761;--block:#d5ddd8;--focus:#923b68;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--ground)}*{box-sizing:border-box}body{margin:0}button,select{font:inherit;color:inherit}button{min-height:44px;min-width:44px;border:1px solid var(--line);border-radius:8px;padding:.6rem .85rem;background:var(--paper);font-weight:650;cursor:pointer}button:hover:not(:disabled){background:#dceadf;border-color:var(--ink)}button:disabled{background:#e0e7df;color:#64746d;cursor:default}a{color:var(--ink);text-underline-offset:4px}a:hover{color:var(--focus)}:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.skip{position:absolute;top:-80px;left:16px;background:white;padding:12px;z-index:10}.skip:focus{top:10px}header,main,footer{width:min(100% - 40px,980px);margin-inline:auto}header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:23px 0}.brand{display:flex;align-items:center;gap:8px;font-size:1.25rem;text-decoration:none;font-weight:780;letter-spacing:-.035em}.brand svg{width:30px;height:30px;fill:none;stroke:currentColor;stroke-width:2.5}h1{font-size:clamp(1.8rem,4vw,2.65rem);line-height:1.1;margin:0;letter-spacing:-.04em}p{line-height:1.6}.heading{display:flex;justify-content:space-between;align-items:center;gap:23px;margin:26px 0}.heading p{color:var(--muted);margin:9px 0 0}.modes{display:flex;gap:4px;flex:none}.modes button{background:transparent;border-color:transparent}.modes button[aria-pressed=true]{background:var(--ink);color:white}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:.85rem;margin:20px 0 21px}.toolbar label{display:flex;align-items:center;gap:9px}.toolbar select{min-height:44px;border:1px solid var(--line);border-radius:8px;background:var(--paper);padding:8px}.game-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(245px,.8fr);gap:clamp(25px,5vw,60px);align-items:start}.board-wrap{padding-right:30px}.board{position:relative;aspect-ratio:1;border:3px solid #52766a;border-radius:8px;background-color:#254c46;background-image:linear-gradient(to right,#42655c 1px,transparent 1px),linear-gradient(to bottom,#42655c 1px,transparent 1px);background-size:calc(100%/var(--size,5)) calc(100%/var(--size,5));box-shadow:0 8px 0 #ccd8ca}.block{position:absolute;min-width:0;min-height:0;border:4px solid transparent;border-radius:10px;padding:0;background:var(--block);background-clip:padding-box;box-shadow:inset 0 -4px 0 #aabcb1;display:flex;align-items:center;justify-content:center;gap:7px;font-size:clamp(1rem,3vw,1.4rem);font-weight:800;line-height:1}.block[data-axis=v]{flex-direction:column}.block[data-target=true]{background-color:var(--target);box-shadow:inset 0 -4px 0 #c89e37}.block[data-target=true]:hover:not(:disabled){background-color:var(--target)}.block:hover:not(:disabled){background-color:#e1e8e2;border-color:transparent}.block[aria-pressed=true]{outline:3px solid var(--ink);outline-offset:-6px}.block:focus-visible{outline:3px solid #f4f4ff;outline-offset:-6px;box-shadow:inset 0 0 0 5px var(--focus)}.axis{font-size:1rem;font-weight:500}.gate{position:absolute;left:calc(100% - 1px);width:29px;display:flex;align-items:center;justify-content:center;color:var(--ink);background:var(--target);border-top:3px solid #52766a;border-bottom:3px solid #52766a;font-size:1.55rem;font-weight:800;border-radius:0 6px 6px 0;z-index:1}#board-help{font-size:.85rem;color:var(--muted);margin:19px 0 13px}.block-picker{display:grid;grid-template-columns:repeat(auto-fit,minmax(44px,1fr));gap:7px}.block-picker button{padding:.55rem .2rem}.block-picker button[data-target=true]{background:var(--target)}.block-picker button[aria-pressed=true]{border:2px solid var(--ink);box-shadow:0 2px 0 var(--ink)}.selection{border-left:4px solid var(--ink);padding-left:17px;margin:2px 0 24px}.selection h2{font-size:1.4rem;margin:0}.selection p{font-size:.9rem;color:var(--muted);margin:5px 0 0}#available{font-size:.86rem;min-height:3.2em}.dpad{display:grid;grid-template-columns:repeat(3,minmax(44px,1fr));grid-template-rows:repeat(2,56px);gap:7px;max-width:265px;margin:0 auto 23px}.dpad button{padding:0;font-size:1.6rem}.dpad #up{grid-column:2}.dpad #left{grid-column:1;grid-row:2}.dpad #down{grid-column:2;grid-row:2}.dpad #right{grid-column:3;grid-row:2}.actions{display:flex;gap:7px}.actions button{flex:1;padding:.6rem .5rem}.feedback{font-size:.92rem;min-height:3.2em;margin:17px 0}.finish{border-top:3px solid var(--ink);padding-top:16px}.finish h2{font-size:1.6rem;margin:0}.finish p{margin:6px 0 13px}.finish button{width:100%;background:var(--target);border-color:#9c7927}.text-button{background:transparent}.rules{margin:37px 0 22px;max-width:740px;border-top:1px solid var(--line);padding-top:23px}.rules h2{font-size:1.45rem;margin:0}.rules p{margin:10px 0}.collection{color:var(--muted);font-size:.85rem;max-width:740px}.notice{background:#fff4d8;border:1px solid #9e7c3b;border-left:4px solid #9e7c3b;margin:0 0 20px;padding:14px 16px}.notice p{margin:0 0 10px}.notice details{margin-top:12px}pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:.85rem}footer{display:flex;gap:23px;border-top:1px solid var(--line);padding:25px 0 35px;margin-top:30px;font-size:.85rem}[hidden]{display:none!important}dialog{max-width:min(460px,calc(100vw - 32px));padding:24px;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:13px}dialog::backdrop{background:#203e39ad}dialog h2{font-size:1.45rem;margin:0}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}.dialog-actions button:last-child{background:var(--ink);color:white}.guide{max-width:740px}.guide h1{margin-top:25px}.guide h2{margin-top:30px}.guide li{line-height:1.65;margin:9px 0}.play-link{display:inline-flex;align-items:center;min-height:44px;padding:10px 20px;background:var(--ink);color:white;text-decoration:none;border-radius:8px}.play-link:hover{background:#386257;color:white}.example{max-width:100%;height:auto;margin:20px 0}@media(max-width:650px){header,main,footer{width:calc(100% - 32px)}header{padding:18px 0}.heading{display:block;margin:18px 0}.modes{margin-top:16px}.toolbar{flex-wrap:wrap;gap:10px;font-size:.8rem}.toolbar label{width:100%}.toolbar select{flex:1}.game-layout{grid-template-columns:1fr;gap:25px}.game-layout>div{max-width:465px;width:100%;margin-inline:auto}.selection{margin-bottom:16px}.selection #available{min-height:0}.dpad{max-width:290px;margin-bottom:17px}.rules{margin-top:28px}.block{font-size:1.2rem}.block .axis{font-size:.85rem}footer{gap:19px}}@media(prefers-reduced-motion:no-preference){.block{transition:left .13s ease,top .13s ease,background-color .13s ease}}@media(forced-colors:active){.board{background:Canvas;border-color:CanvasText}.block{border-color:CanvasText;background:Canvas!important;color:CanvasText}.block[aria-pressed=true]{outline-color:Highlight}.gate{background:Highlight;color:HighlightText}}
.dpad button[data-hint=true]{border:3px solid var(--ink);background:var(--target)}
.feedback:empty{min-height:0;margin:0}

.finish button{margin-top:14px}