It would be nice, WebView2 is maybe a way to go. It seems, they are actively working (not sure) on the WebView2 support for MacOS and Linux.
An interface like this one would be awesome.
Developed here, with difficulty, with Justin's Webview2 control and Bootstrap v5.3.0-alpha1 which brings dark or light mode and color modes.
![Image](https://i.ibb.co/QQpvL09/PBWeb-View2-Checkout.png)