Yes, please send all ideas to Maxon "Share Your Ideas". Thank you for doing that. This is the direct way.
Thanks for any suggestion you share with Maxon.
The Layout video is just a short clip, not a tutorial
https://projectfiles.maxon.net/Cineversity_Forum_Support/2023_Clips_DRS/20230222_Layout_Templade_01.mp4
For colors, main Menu> Edit> Preferences> Interface Colors.
There is not a single color for only the Command Manager, that is Interface> General Background, and background 2 Inactive, as well Focus, or Select or as I saw it, you found the font color.
(I have no list here, and I have to search this as everyone else.)