Work/Codex automatic title color is unreadable on some themes

What version of the Codex App are you using (From “About Codex” dialog)?

26.707.31428

What subscription do you have?

Plus

What platform is your computer?

Windows 11 25H2

What issue are you seeing?

<img width="475" height="213" alt="Image" src="https://github.com/user-attachments/assets/f09ab65f-6624-46e3-ad81-7e135d6b85b2" />

The Work/Codex toggle Title uses automatically selected color, which is unreadable on several dark themes.

What steps can reproduce the bug?

1. Set the theme settings as per screenshot:

<img width="820" height="1130" alt="Image" src="https://github.com/user-attachments/assets/aea2ced1-79af-4558-8f0b-91ef0562a660" />

What is the expected behavior?

Codex/Work app title is readable on any theme

Additional information

_No response_