#btn-toggle-camera {
    background-color: #2563eb;
    color: #ffffff;
    border: none;
    padding: 10px 16px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
    margin-bottom: 10px;
    width: 100%;
}

#btn-toggle-camera:hover {
    background-color: #1d4ed8;
}

#qr-reader {
    border: 2px solid #2563eb !important;
}