In this screenshot, which of the two tabs is the current document?
This problem is worst when there are exactly two documents open. With three, then there's an odd-one-out that is brighter. But with only two, there's no indication whether bright or dark means 'current'. In fact, I'd say brightening the current document's tab is misleading, since if you continue the tab metaphor, the tab with a background colour closest to the canvas (i.e. darker) creates more of a tab-like affordance.
Yes, the current way of showing is confusing and inconsistent.
Window title colors are based on panel tab colors, which is correct - active tab is also lighter.
But the title of the active tab is highlighted, others are darker.
All text/filename in the window titles are highlighted - why?
Why is not highlighted title only on the active window, and others darker?
If rulers are shown,
why do they not have the same color as th