body{font-family:Arial,sans-serif;background-color:#000;color:#fff;display:flex;justify-content:center;align-items:center;height:100vh}.game-container{text-align:center}h1{margin-bottom:20px}.board{display:grid;grid-template-columns:repeat(3,100px);grid-gap:5px;margin-bottom:20px}.cell{width:100px;height:100px;font-size:2rem;background-color:#000;border:2px solid #fff;display:flex;justify-content:center;align-items:center;cursor:pointer;transition:background-color .3s}.cell:hover{background-color:#000}.status{margin-bottom:10px;font-size:1.2rem}.reset-btn{padding:10px 20px;font-size:16px;background-color:#fff;border:none;color:#000;border-radius:8px;cursor:pointer}.reset-btn:hover{background-color:#fff}