Administration: Update .wp-filter component to use new admin color va…

[manishdhorepatil-art]

Trac ticket: https://core.trac.wordpress.org/ticket/64788

Summary

The .wp-filter component used on the Add Plugins and Add Themes screens
is still using legacy hardcoded color values instead of the new admin
color variables introduced as part of the admin reskin.

This causes visual inconsistencies with the updated admin color system.

Changes

• Replaced hardcoded color values with the appropriate CSS custom properties:

  • --wp-admin-theme-color

• Ensured hover, focus, and active states use the new design tokens.

• No visual changes outside of the filter component.

[github-actions]

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Props huzaifaalmesbah, manishxdp.

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[github-actions]

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[huzaifaalmesbah]

Thanks for the PR.
I noticed only var(--wp-admin-theme-color) is used, while the description mentions other variables as well. Could you clarify why?

Also, a similar fix already exists in PR #11153
Is there a reason for opening another PR?

[manishdhorepatil-art]

@huzaifaalmesbah You’re right — the patch only uses var(--wp-admin-theme-color). The PR description was incorrect in mentioning --wp-admin-theme-color-darker-10 and --wp-admin-border-color. I’ll update the description.

[manishdhorepatil-art]

I wasn’t aware of PR #11153 when I opened this.

[github-actions]

A commit was made that fixes the Trac ticket referenced in the description of this pull request.

SVN changeset: 61832
GitHub commit: e1c433c

This PR will be closed, but please confirm the accuracy of this and reopen if there is more work to be done.