Post Page - Previous & Next Links use background color in dark mode

[official-sounding]

Describe the bug
When in Dark Mode on the Post Page, the Titles in the "Previous" and "Next" links disappears.

To Reproduce
Steps to reproduce the behavior:

1. Go to https://ask.metastaging.net
2. Toggle to Dark Mode
3. Click into the second post
4. Scroll down to the "Previous" and "Next" buttons
5. See the buttons, but not the titles
6. See the link for the "Next" button is not right-aligned
7. When hovering, see the link has a dashed underline

Expected behavior
The title text of the previous & next posts are visible. This is true in Light mode, but not Dark Mode

Screenshots

Desktop (please complete the following information):

• OS: Windows 11
• Browser Chrome
• Version 137

Additional context
It seems the link color is explicitly set to the the background color, so it's visible in Light Mode but not dark mode. There are several other styling abnormalities with these links