replace all existing chairs in the caf interior with a mid century modern dining chair featuring a curved rounded backrest with deep diamond tufting upholstered in smooth leather the chair has a padded seat and a sculptural wooden frame with four slightly angled legs connected by a subtle support structure keep the original layout perspective lighting and environment unchanged apply a color variation matching the original scene use deep navy blue and warm beige upholstery tones alternating naturally across the space the wooden legs should be in a dark walnut finish ensure the chairs look realistic properly scaled and naturally integrated with the tables and floor reflections maintain soft shadows accurate reflections on the glossy floor and consistent light direction high realism photorealistic rendering interior design photography style