Four historically accurate molding styles, compared side by side
Add trim to flat doors to look like this.
DIY Craftsman door casing/trim tutorial of - made from 5 pieces of pine, painted with 3 coats of white and caulked; to install, install side pieces, put header together on floor using a nail gun, then install header
dark hardware with white doors
baseboard trim, doorway trim, crown molding - the color of my dining room and kitchen.
[CasaGiardino] ♛ Add Plinth Blocks to Door Trim for a Finished Look
Sunny Side Up: Formal Dining Room (molding) Cased Opening (larger than we'd need for your house).