checkbox state is not clearly distinguishable in dark theme (low contrast)

[ScharfViktor]

Initial Checklist

• I understand this is a bug report and questions should be posted in the Community Discussions
• I searched issues and couldn’t find anything (or linked relevant results below)

Bug Description

OpenCloud 3.2.0+2670f24
OpenCloud Web UI 3.3.0

Reproduction Steps

• switch to dark mode
• create a folder
• choose folder (click by checkbox)

Expected Outcome

like a here. when we click by select all checkbox

Actual Outcome

bug is only in the Tiles view
in the table view works fine