I managed to restore the original theme by deleting /root/.kde4 and /root/.config. But I am seeing really weird behavior here. When I run the KDE systemsettings as root and change the color to an alternative scheme, in *MOST* cases it immediately causes this bug to reappear in YaST. After that, there is no way to fix the color/controls in YaST, even by changing the KDE color scheme back to the original. However, if I start with a fresh /root/.kde4 and /root/.config and change the root user's KDE color scheme to "Norway" or "Zion Reversed" it does *NOT* break YaST's colors and controls. Then, I can change the colors from "Norway" or "Zion Reversed" to any of the other color schemes, which also does *NOT* break YaST. However, if I *DIRECTLY* change the color on a fresh /root/.kde4 and /root/.config to any of the other colors that are *NOT* "Norway" or "Zion Reversed", it breaks YaST. Really weird...