body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #121212;
    overflow: hidden; /* Hide the hand when it's off-screen. */
}

#main-container {
    display: flex;
    align-items: flex-start;
}

#slap-container {
    position: relative;
    margin-right: 20px;
}

#slap-image {
    width: 400px;
    height: auto;
    border: 2px solid #f0f0f0;
    border-radius: 10px;
    cursor: pointer;
}

#hand {
    position: absolute;
    right: 20px;
    top: 50%;
    font-size: 150px;
    transform: translateY(-50%);
    transition: all 0.2s ease-in-out;
}

#fist {
    position: absolute;
    right: 20px;
    top: calc(50% + 150px); /* Position below the hand. */
    font-size: 150px;
    transform: translateY(-50%);
    transition: all 0.2s ease-in-out;
}

#score-container {
    color: #FFD700; /* Gold. */
    font-size: 36px;
    text-shadow: 2px 2px 4px #000000;
    text-align: center;
    margin-bottom: 20px;
}

#save-score {
    display: block;
    margin: 10px auto 0;
    padding: 10px 20px;
    border: 2px solid #FFD700;
    border-radius: 5px;
    background-color: #121212;
    color: #FFD700;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}

#save-score:hover {
    background-color: #FFD700;
    color: #121212;
}

#leaderboard-container {
    color: #FFFFFF;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 10px;
    border-radius: 10px;
}

#modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
}

#modal {
    background-color: #121212;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}

#modal h2 {
    color: #FFD700;
    margin-bottom: 20px;
}

#name-input {
    width: 100%;
    padding: 10px;
    margin-bottom: 20px;
    border: 2px solid #FFD700;
    border-radius: 5px;
    background-color: #121212;
    color: #FFFFFF;
}

#submit-score {
    padding: 10px 20px;
    border: 2px solid #FFD700;
    border-radius: 5px;
    background-color: #121212;
    color: #FFD700;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}

#submit-score:hover {
    background-color: #FFD700;
    color: #121212;
}

#cancel-score {
    padding: 10px 20px;
    border: 2px solid #CCCCCC;
    border-radius: 5px;
    background-color: #121212;
    color: #CCCCCC;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    margin-left: 10px;
}

#cancel-score:hover {
    background-color: #CCCCCC;
    color: #121212;
}

@media (max-width: 768px) {
    #main-container {
        flex-direction: column;
        align-items: center;
    }

    #slap-image {
        width: 80vw; /* 80% of the viewport width. */
    }

    #leaderboard-container {
        margin-top: 20px;
        max-height: 200px;
        overflow-y: auto;
    }

    #save-score {
        padding: 15px 30px;
        font-size: 24px;
    }

    #score-container {
        font-size: 24px;
    }
}