/* ============================================================ THE KEY ROOM — SHARED THEME House rule: same font, same formatting, own colours. This file owns ALL shared typography and formatting. Every trilogy loads it, then a palette file that defines colours only. Do not put colour literals here — use the palette contract: --night page background --surface modal / panel background --accent primary (brass, sky, …) --accent-dim muted primary --text body text --muted secondary / hint text --paper prop background (letters, charts) --ink text on --paper --error wrong answers --success right answers Formatting changes belong HERE and nowhere else. If a chapter needs a one-off component (a morse lamp, a departures board), that component's rules live in that chapter's