Shadow at the bottom of the element picker is displayed as a white strip in Safari/Chrome dark mode

[alexx7311]

OS: macOS 26
Browsers: Safari, Chrome

STR:

1. Enable dark theme in your browser
2. Go to a website with a dark background (e.g. https://adguard.com/en/welcome.html )
3. Open the assistant

Screenshot 1

The lower part of the assistant has a shadow, but it displays as a white strip.
If you switch to a white theme, it will be displayed as a gray strip.