🐛 Bug: UI issue in active navigation link in dark mode

[StyleShit]

Bug Report Checklist

• [X] I have searched for related issues and found none that matched my issue.
• [X] This is the appropriate issue form for the bug I would like to report.

Expected

The link should be properly visible with good color contrast

Actual

Black-colored text on a dark background isn't that readable

Accessibility dev tools (on Firefox):

Seems fine in light mode though:

Additional Info

No response

[JoshuaKGoldberg]

👍 definitely a bug - thanks for reporting!