body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: 'Noto Sans KR', sans-serif;
    background-image: url('https://cdn.pixabay.com/photo/2016/08/14/14/58/pokemon-1593048_1280.jpg');
    background-size: cover;
    color: #fff;
}

.container {
    text-align: center;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 20px;
    border-radius: 10px;
}

h1 {
    color: #fff;
}

#gameCanvas {
    background-color: #222;
    border: 2px solid #fff;
    display: block;
    margin: 0 auto;
}

.info {
    margin-top: 20px;
}

#gameInfo {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

#score, #energy, #time {
    font-size: 20px;
    margin: 0;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    background-color: #00796b;
    color: #ffffff;
    border: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    margin: 5px;
}

button:hover {
    background-color: #004d40;
}

.hidden {
    display: none;
}