ultra realistic render strict lock mode keep exact layout camera angle proportions and all materials 100 unchanged use source image textures directly do not reinterpret replace or enhance material types preserve original design exactly material locks walls same neutral light tone no warm shift furniture desk shelves bunk bed same colors and finishes no changes floor same light tone no variation chair fabrics same materials no softening or recoloring lighting fixtures same shape and color no redesign enhance only realism improve global illumination natural light bounce in small space fix exposure window area controlled no overblown highlights maintain interior visibility no crushed shadows add soft contact shadows desk chair bed edges refine reflections subtly chair surfaces very low intensity increase texture clarity only no variation lighting rules critical here keep daylight from window as main source reduce overexposure from window no white clipping balance interior vs exterior light keep ceiling light same tone no color change smooth realistic falloff across room hard restrictions no material swap no tone shift no added objects no geometry change no camera shift no stylization
