When using Kagi inside Steam's embedded browser, the light theme is almost unusable, due to the background being dark.
I suspect that Kagi doesn't set a background color, falling back to the default, which is white in 99% of all web browsers, while Steam sets black as the background color.
- Open Kagi in Steam's integrated browser using your session link.
- Search for something
Picture of the issue:

Steam currently uses Chromium version 126:
