:root{--bg: #faf8ef;--board: #bbada0;--tile-empty: rgba(238, 228, 218, .35);--tile-2: #eee4da;--tile-4: #ede0c8;--tile-8: #f2b179;--tile-16: #f59563;--tile-32: #f67c5f;--tile-64: #f65e3b;--tile-128: #edcf72;--tile-256: #edcc61;--tile-512: #edc850;--tile-1024: #edc53f;--tile-2048: #edc22e;--text-dark: #776e65}*{box-sizing:border-box}body,html,#root{height:100%}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;background:var(--bg);display:flex;align-items:center;justify-content:center;padding:20px;color:var(--text-dark)}.app{width:520px;max-width:95vw}header h1{margin:0 0 24px;font-size:24px;text-align:center}main{display:flex;flex-direction:column;gap:24px;align-items:center}.scoreboard{width:100%;max-width:320px;display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:4px;flex-wrap:wrap}.status{width:100%;text-align:center;margin-top:9px;order:3}.score{background:#eee;padding:10px 14px;border-radius:6px;text-align:center}.score .label{font-size:12px}.score .value{font-weight:700;font-size:18px}.actions button{padding:10px 16px;border-radius:6px;border:none;background:#8f7a66;color:#fff;cursor:pointer}.status .win{color:green}.status .lose{color:red}.board-wrapper{display:flex;flex-direction:column;align-items:center;gap:12px}.board{background:var(--board);padding:12px;border-radius:8px;display:grid;gap:10px;width:320px;height:320px;max-width:85vw;max-height:85vw}.tile{border-radius:6px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:24px;min-height:0}.tile-empty{background:var(--tile-empty)}.tile-2{background:var(--tile-2)}.tile-4{background:var(--tile-4)}.tile-8{background:var(--tile-8);color:#fff}.tile-16{background:var(--tile-16);color:#fff}.tile-32{background:var(--tile-32);color:#fff}.tile-64{background:var(--tile-64);color:#fff}.tile-128{background:var(--tile-128);color:#fff;font-size:18px}.tile-256{background:var(--tile-256);color:#fff;font-size:18px}.tile-512{background:var(--tile-512);color:#fff;font-size:18px}.tile-1024{background:var(--tile-1024);color:#fff;font-size:16px}.tile-2048{background:var(--tile-2048);color:#fff;font-size:16px}.controls{display:flex;flex-direction:column;gap:8px;align-items:center}.controls button{padding:8px 12px;border-radius:5px;border:none;background:#ddd;cursor:pointer}.controls .lr{display:flex;gap:32px}.controls-note{font-size:12px;color:#666;text-align:center}