body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #f0f0f0;
}

#game-container {
    position: relative;
    width: 100%;
    max-width: 800px;
}

#info {
    margin-bottom: 20px;
    font-size: 18px;
    text-align: center;
}

#coin {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 72px;
    cursor: pointer;
    margin: 0 auto 20px;
}

#shop {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    margin-top: 20px;
}

.shop-item {
    text-align: center;
    padding: 5px;
    border: 1px solid #ccc;
    border-radius: 5px;
    cursor: pointer;
    margin: 5px;
    font-size: 12px;
}

.shop-coin {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin: 0 auto 5px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-size: 10px;
}

#generate-coin {
    display: block;
    margin: 20px auto 0;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
}

#loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loading-message {
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    font-size: 18px;
}