.game-container{display:flex;flex-direction:column;align-items:center;margin-top:50px;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;padding:20px;background:#20b2aa;min-height:100vh;border-radius:20px;box-shadow:0 10px 25px #0000001a}.title{font-size:40px;margin-bottom:30px;color:#222;text-shadow:1px 1px 2px rgba(0,0,0,.1)}.board{display:grid;grid-template-columns:repeat(3,100px);grid-gap:12px;padding:10px;background-color:#fff;border-radius:15px;box-shadow:0 4px 12px #0003}.cell{width:100px;height:100px;background-color:#f7f7f7;display:flex;justify-content:center;align-items:center;font-size:36px;font-weight:700;color:#222;border-radius:12px;cursor:pointer;transition:all .3s ease;box-shadow:inset 0 2px 5px #0000001a}.cell.X{color:#e63946}.cell.O{color:#457b9d}.cell:hover{background-color:#e0e0e0;transform:scale(1.05)}.info{margin-top:25px;text-align:center;font-size:20px;color:#333}.reset-button{margin-top:15px;padding:12px 25px;font-size:16px;border:none;background:linear-gradient(135deg,#007bff,#0056b3);color:#fff;border-radius:30px;cursor:pointer;transition:background .3s ease,transform .2s ease;box-shadow:0 4px 10px #007bff4d}.reset-button:hover{background:linear-gradient(135deg,#0056b3,#003d82);transform:scale(1.05)}@media (max-width: 400px){.board{grid-template-columns:repeat(3,80px);grid-gap:8px}.cell{width:80px;height:80px;font-size:28px}.title{font-size:30px}}