body{font-family:sans-serif;margin:0;padding:0;background:#f4f4f4;display:flex;justify-content:center;align-items:center;min-height:100vh}.stopwatch-container{background:#fff;padding:2rem;border-radius:1rem;text-align:center;width:90%;max-width:400px;box-shadow:0 0 10px #0000001a}.display{font-size:2rem;margin:1rem 0}.controls button{margin:.3rem;padding:.5rem 1rem;font-size:1rem;border:none;border-radius:8px;background-color:#007bff;color:#fff;cursor:pointer}.controls button:disabled{background-color:#ccc;cursor:not-allowed}.controls button:hover:not(:disabled){background-color:#0056b3}.lap-list{margin-top:1rem;max-height:150px;overflow-y:auto;text-align:left}