*{box-sizing:border-box}html{min-width:375px}body{margin:0;padding-block:10px;display:flex;align-items:center;justify-content:center;min-height:100vh;font-family:system-ui;font-size:24px;font-weight:600;letter-spacing:.5px;background-color:#2a2a2a;color:#f9f6f2}button{padding:0;font:inherit;cursor:pointer}p{margin:0}.container{display:grid;grid-template-rows:auto auto 75px auto;gap:25px;width:350px}.game-field{border-spacing:10px;border-radius:5px;background-color:#3c3c3c;box-shadow:0 4px 12px #0003}.field-cell{width:75px;height:75px;border-radius:5px;text-align:center;-webkit-user-select:none;user-select:none;background-color:#4a4a4a}.field-cell--2{background-color:#778da9}.field-cell--4{background-color:#415a77}.field-cell--8{background-color:#6366f1}.field-cell--16{background-color:#4f46e5}.field-cell--32{background-color:#4338ca}.field-cell--64{background-color:#3730a3}.field-cell--128{background-color:#312e81}.field-cell--256{background-color:#14b8a6}.field-cell--512{background-color:#0d9488}.field-cell--1024{background-color:#0f766e}.field-cell--2048{background-color:#115e59}.game-header{display:grid;grid-template-columns:85px 155px 85px;justify-content:space-between;height:85px}h1{margin:0;display:flex;align-items:center;justify-content:center;border-radius:5px;font-size:24px;background-color:#115e59}.controls{display:flex;flex-direction:column;row-gap:2px;font-size:16px}.info{display:grid;grid-template-columns:1.1fr 1fr;align-content:center;height:100%;padding-left:5px;border-radius:5px;background-color:#4a4a4a}.button{background-color:#15803d;color:#f9f6f2;border:none;border-radius:5px;font-size:16px;letter-spacing:.5px;transition:opacity .2s}.button.restart{background-color:#dc2424}.button.restart:hover,.button:hover{opacity:.8}.message{padding:10px;border-radius:5px;font-size:22px;text-align:center;background-color:#4a4a4a}.message-start span{opacity:.75}.message-win{background-color:#115e59}.message-lose{background-color:#dc2424}.hidden{display:none}.instructions{font-size:14px;padding:10px}.instructions span{opacity:.75}