Environment Details:
Application Name: PerfView
PerfView Version:3.1.21
Operating system: Windows 11 Enterprise (OS Build26100.4061)

Prerequisite:
Enable Dark mode.

Repro Steps:
Open PrefView.
Tab till left Navigation section.
Enable high contrast Dark mode.
Observe that focus indicator not visible for links in dark mode and high contrast

Actual Result:
When navigating through links in Dark mode and High contrast, the focus indicator is not visible, making it difficult to determine which link is currently focused.
Issue: similar issue is observed throughout the application.

Expected Result:
The focus indicator should be clearly visible on all interactive elements, including links, in Dark mode and High contrast to support keyboard navigation.

User Impact:
Users relying on keyboard navigation or assistive technologies may not be able to identify which link is currently focused, leading to confusion and navigation issues. This significantly affects users with visual impairments.