body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: #f0f0f0;
}

header {
    background-color: #333;
    color: #fff;
    padding: 1rem;
    text-align: center;
}

main {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

section {
    margin-bottom: 2rem;
}

#modelViewer {
    width: 100%;
    height: 400px;
    background-color: #eee;
}

#uploadForm {
    display: flex;
    gap: 10px;
    margin-bottom: 1rem;
}

button {
    padding: 10px 20px;
    background-color: #333;
    color: #fff;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #555;
}

#embedCode {
    background-color: #f4f4f4;
    padding: 1rem;
    overflow-x: auto;
    border: 1px solid #ddd;
}