Test safe-area handling in modals on tablet-sized screens.
Default Modal
Centered dialog on tablet - should NOT have safe-area padding
Fullscreen Modal
Full screen on tablet - should have safe-area padding
Sheet Modal (Partial)
At 0.5 breakpoint - should have bottom safe-area only
Sheet Modal (Full)
At 1.0 breakpoint - should have bottom safe-area (handle creates top gap)
Card Modal (iOS)
Card presentation - inset from edges, no safe-area padding