body {
    font-family: Arial, sans-serif;
    text-align: center;
    background: linear-gradient(to right, #1e1e1e, #3a3a3a);
    color: white;
}

h1 {
    margin-top: 20px;
}

label, select {
    font-size: 18px;
    margin: 10px;
    padding: 5px;
}

.board {
    display: grid;
    grid-template-columns: repeat(3, 100px);
    gap: 10px;
    justify-content: center;
    margin-top: 20px;
}

.cell {
    width: 100px;
    height: 100px;
    background: #ff9800;
    color: black;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 36px;
    font-weight: bold;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.2s;
}

.cell:hover {
    background: #f57c00;
}

button {
    margin-top: 20px;
    padding: 10px 20px;
    font-size: 16px;
    border: none;
    background: #ff5722;
    color: white;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background: #e64a19;
}