*{box-sizing:border-box}body{color:#634d66;background:#f7f3f7;margin:0;font-family:Aptos,Segoe UI,Microsoft YaHei,sans-serif}.game{width:min(400px,100% - 34px,100dvh - 216px);margin:18px auto}header{justify-content:space-between;align-items:center;gap:20px;display:flex}.subtitle{letter-spacing:2px;color:#a089a0;margin:0 0 2px;font-size:11px}h1{letter-spacing:-3px;margin:0;font-size:48px;line-height:1.15}.scores{gap:8px;display:flex}.scores>div{text-align:center;background:#e9dfe9;border-radius:10px;min-width:66px;padding:9px 12px}.scores span{color:#968094;font-size:10px;display:block}.scores strong{font-size:19px;line-height:1.5}.tools{justify-content:space-between;align-items:center;gap:10px;margin:20px 0 15px;display:flex}.tools p{color:#a28b9f;margin:0;font-size:11px}.tools>div{gap:7px;display:flex}button{font:inherit;cursor:pointer;color:#765a78;background:#e8dce8;border:0;border-radius:8px;min-height:38px;padding:7px 13px;font-size:11px}button:disabled{opacity:.45;cursor:default}button:focus-visible,.board:focus-visible{outline-offset:4px;outline:3px solid #9b78b4}.board-wrap{position:relative}.board{touch-action:none;-webkit-user-select:none;user-select:none;aspect-ratio:1;background:#ceb9cc;border-radius:15px;grid-template-rows:repeat(4,1fr);grid-template-columns:repeat(4,1fr);gap:9px;padding:11px;display:grid}.cell{letter-spacing:-1px;background:#e0cfdd;border-radius:8px;place-items:center;font-size:30px;font-weight:750;transition:background-color .1s,color .1s;display:grid}.tile-128{color:#fff;background:#af7caf;font-size:26px}.tile-256{color:#fff;background:#9875b4;font-size:26px}.tile-512{color:#fff;background:#8167a7;font-size:26px}.tile-1024,.tile-2048,.tile-4096{color:#fff3d4;background:#68558f;font-size:22px}.hint{color:#a48da1;text-align:center;margin:17px 0;font-size:11px}.overlay{text-align:center;background:#f4edf2ed;border-radius:15px;flex-direction:column;justify-content:center;align-items:center;gap:10px;display:flex;position:absolute;inset:0}.overlay h2{margin:0;font-size:24px}.overlay p{color:#9b7e95;font-size:13px}.overlay button{color:#fff;background:#9877a5;min-height:44px;padding:10px 20px}.sr-only{clip:rect(0, 0, 0, 0);width:1px;height:1px;position:absolute;overflow:hidden}[hidden]{display:none!important}@media (width<=420px){.game{margin:18px auto}.cell{font-size:25px}.tile-128,.tile-256,.tile-512{font-size:22px}.tile-1024,.tile-2048,.tile-4096{font-size:19px}.tools p{font-size:10px}h1{font-size:43px}.scores>div{min-width:57px;padding:7px 9px}}@media (prefers-reduced-motion:reduce){*{transition:none!important}}:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}body{color:#f5e4ca;background:#1b0e18 radial-gradient(at 50% 0,#50162b44,#0000 550px)}.game{width:min(400px,100% - 34px,100dvh - 240px)}.subtitle{color:#d8b779;letter-spacing:2px}h1{color:#f8e9ce;font-family:Georgia,Times New Roman,serif}h1 span{color:#c94863}.scores>div{background:#351a2a;border:1px solid #6c3c4b;border-radius:5px}.scores span{color:#c7a8b6}.scores strong{color:#f5e2bc}.tools p{color:#c3a4b4}button{color:#efcda8;background:#421c2d;border:1px solid #89505b;border-radius:4px;min-height:44px}.board{background:#4d2235;border:1px solid #b38462;border-radius:7px;position:relative;box-shadow:0 8px 35px #0a060b40}.board:before{content:"";pointer-events:none;border:1px solid #a3754736;border-radius:10px;position:absolute;inset:-5px}.cell{color:#f9e9ce;background:#663448;border-radius:4px}.tile-2{color:#5d2835;background:#f0dec4}.tile-4{color:#542b35;background:#dfb978}.tile-8{color:#fff1d9;background:#cd784c}.tile-16{color:#fff1dc;background:#bd3450}.tile-32{color:#ffecdd;background:#9b345c}.tile-64{color:#fff1ea;background:#814f91}.tile-128{color:#fff5e6;background:#54659b}.tile-256{color:#fff5e6;background:#477b8e}.tile-512{color:#fff5e6;background:#407b70}.tile-1024,.tile-2048,.tile-4096{color:#21121c;background:#b58b49}.hint{color:#bea0b0}.overlay{background:#25101bef;border:1px solid #c09262;border-radius:7px}.overlay h2{color:#f4ddbc;font-family:Georgia,SimSun,serif;font-weight:500}.overlay p{color:#d1b0bd}.overlay button{color:#fff1e0;background:#b42444;border:1px solid #df8d88;border-radius:4px}button:focus-visible,.board:focus-visible{outline-color:#f1cd85}