body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background: linear-gradient(135deg, #ff7e5f, #feb47b);
    font-family: Arial, sans-serif;
}

.container {
    text-align: center;
}

h1 {
    color: white;
    margin-bottom: 20px;
}

.symbol-selection {
    margin-bottom: 20px;
}

.symbol-selection p {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.symbol-selection button {
    margin: 0 10px;
    padding: 10px 20px;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    border-radius: 5px;
    background-color: white;
    color: #ff7e5f;
    transition: background-color 0.3s, transform 0.3s;
}

.symbol-selection button:hover {
    background-color: #ffd1ba;
    transform: scale(1.1);
}

.board {
    display: grid;
    grid-template-columns: repeat(3, 100px);
    grid-template-rows: repeat(3, 100px);
    gap: 10px;
    position: relative;
}

.cell {
    width: 100px;
    height: 100px;
    background-color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    cursor: pointer;
}

button {
    margin-top: 20px;
    padding: 10px 20px;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    border-radius: 5px;
    background-color: white;
    color: #ff7e5f;
    transition: background-color 0.3s, transform 0.3s;
}

button:hover {
    background-color: #ffd1ba;
    transform: scale(1.1);
}

.message {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

#winningMessageText {
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.cell.winning-cell {
    animation: drawLine 0.5s forwards;
}

@keyframes drawLine {
    0% {
        width: 0;
    }
    100% {
        width: 100%;
    }
}