Segments & Buttons

Hi!

I have a challenge which I want to discuss with you.
LED Strip divided into 4x16 segments and 4 Buttons (one for each segment).

Goal:
Power On/Start WLED - all LEDs (all Segments by Default 0 = e.g. all LED red)
If I push one button for the first segment - it should turn into blue and if I turn it off back to e.g. green
—> first 16 LEDs now in green / or blue - rest should remain into the default status 0 (red)

Any idea how I can do it?
Playlist?

Thx and Br, Christian