A suggestion as well could have black mode on the rom rather than just dark mode that very dark black, and could also add in the status bar where the clock could stay on the left side, right or in the middle, in the lineageOS rom ha...
Battery is Draining in 10% 15% 18% for 0%?????
Before my battery did the same thing with 35% still charging it went to 0% and turned off, This is because of the life of your battery replace it with a new one that solves the problem....
I do not feel this in the ROM of the Pixel Experience in the version of android 9, here the touch is normal.