Settings modal behavior on mobile

The top panel of the setting modal (with the "Peek" and "Close" buttons) is currently being overlapped by the mobile browser address bar (Safari, Chrome, Firefox), making it impossible to close it. This happens on both Android and iOS.

Another issue (iOS specific one): after the user scrolled to the bottom of the setting modal, the scroll up doesn't work anymore, unless the user quickly scrolls down and then up (as if simulating "bouncing" from the bottom).