body {
    margin: 0;
    padding: 0;
    background: #f0f0f0;
    font-family: Arial, sans-serif;
    overflow: hidden;
}

#view3d-container {
    display: flex;
    height: 100vh;
}

#canvas-container {
    flex: 1;
    position: relative;
}

.control-group h3 {
    margin: 0 0 15px 0;
    color: #4CAF50;
    border-bottom: 1px solid #555;
    padding-bottom: 8px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: bold;
}

input[type="range"] {
    width: 100%;
    margin-bottom: 8px;
}

#info {
    position: absolute;
    top: 5px;
    left: 5px;
    color: #333;
    background: rgba(255, 255, 255, 0.9);
    padding: 10px;
    border-radius: 8px;
    font-size: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

@media only screen and (max-width: 600px) {
    #info {
        display: none;
    }
}