1:2:1 glazing, and the upright doorcase. Third row is the real worst case: 18px, reversed, inside the primary button (J6).
The battery fix: a wide centre pane between two narrow ones.
The door, closed, below the head.
Head, stile, threshold — the whole opening.
Upright and open at the foot, so it is a doorWAY not a box. Solid head bar only.
The same, with the transom divided 1:2:1 inside the case.