[Broken Website] Google AI search

### Prerequisites

- [x] I [searched for any existing report](https://github.com/darkreader/darkreader/issues?q=is%3Aissue) about this website issue to avoid opening a duplicate.
- [ ] I can reproduce this website issue in a new, unmodified web browser profile with Dark Reader installed as the only extension.

### Website Issue Description

The colours are inverted. I must disable dark reader for this page, then re-enable.

### Website Address

https://www.google.com/search?hl=en&udm=50

### Steps To Reproduce

1. Open the link (its the direct link to google's "ai mode" search page)
2. Colours are inverted (on firefox, seem to work on edge)
3. Disable dark reader
4. Enable dark reader

### Screenshots

_No response_

### Operating System

linux

### Web Browser name and version

firefox 150 (latest)

### Dark Reader version

4.9.124 (latest)

### Additional Context

_No response_