body {
    margin: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f0f0f0;
    font-family: sans-serif;
    user-select: none; /* Prevent text selection on touch devices */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

#otamatone {
    position: relative;
    width: 120px; /* Base width, will scale */
    height: 450px; /* Base height, will scale */
    display: flex;
    flex-direction: column-reverse; /* Head at bottom */
    align-items: center;
    margin-bottom: 20px;
    transform: rotate(180deg); /* Rotate to make it look like a note */
}

#head {
    width: 100%;
    height: 180px;
    background-color: white; /* Changed from pink to white */
    border-radius: 50% 50% 50% 50%; /* Fully rounded head */
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 2px solid #333;
    box-sizing: border-box;
    z-index: 2; /* Ensure head is above stem visually */
}

#mouth {
    width: 60%;
    height: 40%;
    background-color: #333;
    border-radius: 0 0 50% 50%;
    position: absolute;
    bottom: 20%;
    transform: scaleY(0.5); /* Closed mouth */
    transform-origin: bottom;
    transition: transform 0.1s ease-out;
}

#head.open #mouth {
    transform: scaleY(1); /* Open mouth */
}

#stem {
    width: 60px; /* Narrower stem */
    flex-grow: 1;
    background-color: white; /* Changed from pink to white */
    border-radius: 30px 30px 0 0; /* Rounded top, flat bottom */
    border: 2px solid #333;
    border-bottom: none;
    box-sizing: border-box;
    margin-bottom: -2px; /* Overlap with head border */
    z-index: 1;
}

#instructions {
    text-align: center;
    color: #555;
    font-size: 0.9em;
    /* Removed transform: rotate(180deg); */
}

/* Responsive adjustments */
@media (max-width: 600px) {
    #otamatone {
        width: 100px;
        height: 380px;
    }
    #stem {
        width: 50px;
    }
    #head {
        height: 150px;
    }
    #instructions {
        font-size: 0.8em;
    }
}

@media (max-height: 600px) {
    #otamatone {
        height: 300px;
        width: 80px;
    }
    #stem {
        width: 40px;
    }
    #head {
        height: 120px;
    }
    #instructions {
        font-size: 0.7em;
    }
}