photorealistic enhancement only do not modify any colours textures or materials in the space except for the sofas maintain the original finishes exactly as shown flooring walls joinery stone ceiling and all existing furniture improve realism high resolution accurate shadows soft ambient artificial lighting realistic reflections and refined material detail update the sofas only change upholstery to a mix of light grey and navy blue subtle navy not glossy keep the sofa design shape placement and proportions unchanged add troffer lights integrated into the existing grid ceiling aligned cleanly within the ceiling grid layout with realistic illumination not overly bright add a glass balustrade to the upper floor edge void area above using clear glass panels with silver chrome fittings silver posts clamps or slim top rail keep the fittings minimal and modern ensuring the balustrade integrates naturally with the existing architecture and remains realistic without excessive glare or reflections generate dark blue colour in the furniture