Same visual failure on Samsung DeX (Galaxy Z Fold 4, 1920×1080 window), filed as #8195.
Useful extra signal from that report: the app is fine on this phone's unfolded inner screen (fullscreen tablet-sized), and only breaks once T3 Code is in a freeform desktop window. So this looks like Android windowed/desktop mode in general (Pixel Desktop + Samsung DeX), not “large screen / tablet layout” by itself.