Steps to replicate the issue (include links if applicable):

*Open an article with citations in the Wikipedia iOS app.
*Enable dark mode.
*Scroll to a citation number in the article.

What happens?:
Citation numbers are shown in white instead of the usual blue, affecting visibility and expected styling.

What should have happened instead?:
Citation numbers should retain their expected blue color, consistent with the standard design for both light and dark modes.

Other information (browser name/version, screenshots, etc.):