body{margin:0;padding:0;display:flex;justify-content:center;align-items:center;min-height:100vh;background-color:#f3f3f3}.container{text-align:center;padding:20px;background:#fff;border-radius:8px;box-shadow:0 4px 6px #0000001a}header h1{margin:0;font-size:2rem;color:#333}header h2{margin:10px 0;font-size:1.5rem;color:#666;text-transform:capitalize}.winner{color:green;font-weight:700}table{margin:20px auto;border-spacing:5px}td{padding:0}button.cell{width:50px;height:50px;border:none;border-radius:4px;font-size:1rem;cursor:pointer;background-color:#ddd;color:#fff;font-weight:700}button.cell.user{background-color:#00f}button.cell.bot{background-color:red}button.cell:disabled{cursor:not-allowed;opacity:.7}button.reset{margin-top:20px;padding:10px 20px;font-size:1rem;color:#fff;background-color:#333;border:none;border-radius:4px;cursor:pointer}button.reset:hover{background-color:#555}