Steps to replicate the issue (include links if applicable):
- visit the last (or only) unreviewed article in the queue
What happens?:
- Page Curation toolbar next article button's background color is clear but the button still looks clickable; it is not clear that the button is disabled and that there is no next item in the queue.
What should have happened instead?:
- Page Curation toolbar next article button should be clearly disabled and should communicate that there is no next item
Software version (on Special:Version page; skip for WMF-hosted wikis like Wikipedia):
Other information (browser name/version, screenshots, etc.):
