I would like to KEEP the minimalistic look of the READ ONLY MODE ( w LIGHT GREY toolbar with the option to HIDE it COMPLETELY by a (double-) tap on the document with finger) BUT HAVE THE LAST TOOL ENABELD like PENCIL/ PEN, as well..

Mainly I want to EDIT my Document while in FULL SCREEN MODE without DISTRACTIONS!
The blue bar is soo unnecessary when in deep writing mode and talkes wayyy too much space and whose COLOUR is NOT CUSTOMIZABLE, AT ALL sadly still!!
WHY this HARD BLUE, all the time?!
Thanks!