:root{color-scheme:light;--ink:#161716;--paper:#f2f0e8;--acid:#d7ff3f;--line:#262726;--muted:#6e7069;font-family:"Arial Narrow","Helvetica Neue",Arial,sans-serif}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--paper);color:var(--ink);background-image:linear-gradient(rgba(22,23,22,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(22,23,22,.045) 1px,transparent 1px);background-size:28px 28px}button{font:inherit;color:inherit}main{width:min(1120px,calc(100% - 32px));min-height:100vh;margin:auto;display:flex;flex-direction:column;padding:30px 0 26px}header{display:grid;grid-template-columns:1fr auto;align-items:end;border-bottom:2px solid var(--line);padding-bottom:22px;position:relative}.brand{display:flex;align-items:baseline;gap:13px}.brand span{background:var(--ink);color:#fff;padding:7px 9px;font-weight:900;letter-spacing:.18em;font-size:12px}.brand strong{font-size:clamp(34px,6vw,72px);line-height:.9;letter-spacing:-.07em}.brand+p{grid-column:1;margin:14px 0 0;font-size:15px;color:var(--muted)}.best{grid-column:2;grid-row:1/3;text-transform:uppercase;border-left:1px solid var(--line);padding:8px 0 8px 28px;font-size:12px;letter-spacing:.12em}.best b{display:block;margin-top:8px;font-size:30px;letter-spacing:-.04em}.control-panel{display:flex;justify-content:space-between;align-items:center;padding:18px 0;border-bottom:1px solid var(--line);gap:20px}.difficulty{display:flex;gap:5px}.difficulty button{border:1px solid var(--line);background:transparent;padding:9px 14px;cursor:pointer;font-weight:700}.difficulty button small{font-weight:400;color:var(--muted);margin-left:5px}.difficulty button.active{background:var(--acid);box-shadow:3px 3px 0 var(--ink)}.stats{display:flex;gap:24px;font-size:13px}.stats b{font-size:20px;margin-left:5px}.game{flex:1;min-height:420px;display:flex;flex-direction:column;justify-content:center;position:relative}.station-line{height:2px;background:var(--line);position:absolute;left:0;right:0;top:50%}.station-line:before,.station-line:after{content:"";position:absolute;width:9px;height:9px;background:var(--paper);border:2px solid var(--line);border-radius:50%;top:-5px}.station-line:after{right:0}.tiles{display:grid;grid-template-columns:repeat(var(--count),1fr);gap:8px;position:relative;padding:0 18px}.tile{aspect-ratio:.72;border:2px solid var(--ink);cursor:grab;box-shadow:4px 5px 0 rgba(22,23,22,.24);position:relative;transition:transform .15s,opacity .15s,filter .2s;min-width:0}.tile:hover{transform:translateY(-8px)}.tile:active{cursor:grabbing}.tile.dragging{opacity:.3}.tile.selected{outline:5px solid var(--acid);outline-offset:3px;transform:translateY(-10px)}.tile.wrong:after{content:"!";position:absolute;right:5px;top:5px;width:23px;height:23px;display:grid;place-items:center;border-radius:50%;background:#fff;color:#d51f36;font-weight:900;border:2px solid var(--ink)}.hint{text-align:center;margin:28px 0 0;font-size:13px;color:var(--muted)}.hint span{padding:0 8px}.result{min-height:30px;text-align:center;font-weight:800;margin-top:10px}.result.success{color:#16713c}.result.fail{color:#c5283d}footer{display:flex;justify-content:flex-end;gap:9px;border-top:2px solid var(--line);padding-top:20px}footer button{border:2px solid var(--ink);padding:13px 20px;font-weight:800;cursor:pointer}.secondary{background:transparent}.primary{background:var(--ink);color:#fff;min-width:170px}.primary span{color:var(--acid);font-size:18px;margin-left:12px}button:focus-visible,.tile:focus-visible{outline:3px solid #146eff;outline-offset:3px}
@media(max-width:700px){main{width:min(100% - 22px,1120px);padding-top:18px}header{grid-template-columns:1fr auto}.brand strong{font-size:42px}.brand+p{font-size:13px}.best{padding-left:14px}.best b{font-size:24px}.control-panel{align-items:flex-start;flex-direction:column}.difficulty{width:100%}.difficulty button{flex:1;padding:9px 4px}.difficulty button small{display:block;margin:3px 0 0}.stats{width:100%;justify-content:space-between}.game{min-height:390px}.tiles{gap:4px;padding:0 4px}.tile{border-width:1.5px;box-shadow:2px 3px 0 rgba(22,23,22,.25);aspect-ratio:.62}.hint{line-height:1.7}footer button{flex:1;padding:12px 8px}.primary{min-width:0}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}