[R1shabh-Gupta]

Hovering a top-level Toolbar item shows no visible change in the Blue, Coffee, Ectoplasm, Midnight, Ocean and Sunrise color schemes, because their hover text color is the same as the default text color.

This brings back the hover background, painted on the li instead of the link. The link keeps its rounded focus outline, and the background stays square and lines up with the submenu. The search item keeps its existing no-background hover.

Trac ticket: https://core.trac.wordpress.org/ticket/66463

Testing

1. Go to Users → Profile and pick the Blue (or Coffee, Ectoplasm, Midnight, Ocean, Sunrise) color scheme.
2. Hover "+ New" and other top-level Toolbar items: the background should get darker.
3. Tab to a Toolbar item: the focus outline shows, with no background change. Press Enter on “+ New”: the submenu opens and the background gets darker.
4. Repeat with Default, Modern and Light.

Use of AI Tools

AI assistance: Yes
Tool(s): Claude Code
Model(s): Claude Opus 5.5
Used for: Code Review

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Props rishabhwp, joedolson.

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[joedolson]

This looks good to me. The core of it is the same as what @jasmussen suggested in #13622 (comment), and the additional coverage cases make sense to me.

It does eliminate the usage of :has for handling background colors on :focus, but I think that's fine - not having background colors on focus was intentional, and isn't necessary.

[github-actions]

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

SVN changeset: 65324
GitHub commit: 12b8e41

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