This looks very neat!
AFAIK, most of the Anki community loves clean, minimal designs, so I believe there is a good chance something like this will be considered in the future.
Anki’s source code is currently under rework and the UI is reimplemented with more future-proof web components. The devs are mostly focused on functionality at this stage. My guess is that Damien & contributors will be open for a fancy design overhaul once that heavy lifting is done. In the meantime, you can always give the devs constructive design-feedback on current Alpha threads like this one: