Working on a task tracking app (concept) as an experiment.
This shot is the main screen of the web app version.
Since it's a concept design, I got rid of the backgrounds of global nav sections. It might not make sense in terms of usability though.
However, I prioritized the functions and utilized the Z-axis. Card UI is only used for the control panel with primary function, which slightly floats up to the Z axis.
L or F like