Can UI elements be better distinguished in dark mode

In light mode, it is much easier to distinguish different UI elements, especially those activated buttons, and borders of some regions than in dark mode, just like:

It would be better if the colors used in dark mode can be adjusted to improve the distinguishability between elements in the window, especially between active and inactive elements.

If your OS is in dark mode, the System Fusion theme often has greater contrast. The lower contrast Dark Fusion is by design to reduce distraction from the video content.