Prompt
Top-down blueprint-style map of a retro-futuristic underground facility common area. The design is clean and mostly undamaged. The central area is an open lounge space with couches, tables, and recreational amenities like a chess table and small bookshelf. To the south side are exits to a stairwell and an elevator. Hallways extend out to the west, north, and east sides. Style should resemble architectural or engineering floorplans with labeled sections.