* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    max-width: 600px;
    margin: 0 auto;
    gap: 15px;
}
#video, #canvas {
    max-width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}
#nameInput {
    width: 100%;
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-bottom: 15px;
}
#captureButton {
    width: 100%;
    padding: 15px;
    font-size: 18px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}
#captureButton:active {
    background-color: #45a049;
}
#status {
    text-align: center;
    color: #666;
    margin-top: 10px;
}