keep the existing composition furniture flooring lighting glass and lounge area unchanged change all structural columns and the ceiling to black with a matte or subtle satin finish ensure the black surfaces integrate naturally with ambient and gym lighting reflecting subtle highlights and neon glows where appropriate enhance architectural depth by adding soft shadows along the ceiling and columns and slightly boost contrast to make the gym lighting more dramatic and immersive maintain ultra realistic rendering high detail architectural visualization and modern luxury aesthetic do not alter lounge gym interiors carpet or other materials do not add any people
