#threejs-container {
    width: 100%;
    max-width: 900px;
    height: 500px;
    margin: 20px auto;
    border-radius: 10px;
    overflow: hidden;
    background: #f4f4f4;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
}

#modelSelect {
    padding: 10px;
    font-size: 16px;
    border-radius: 5px;
    border: 1px solid #ccc;
    background: white;
    cursor: pointer;
    transition: 0.3s ease-in-out;
}

#modelSelect:hover {
    border-color: #007bff;
}

#ui-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 15px;
    padding: 10px;
    background: white;
    border-radius: 8px;
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.1);
}

label {
    font-size: 16px;
    font-weight: 500;
    color: #333;
}