make only the following material refinements preserve everything else in the image exactly as shown including the architecture layout furniture windows lighting lake view colors and camera angle fireplace refine the stone fireplace to a smoother more modern natural stone finish use larger format stone pieces with flatter faces cleaner joints less rugged texture and subtle natural variation keep it warm and natural but more refined and contemporary preserve the exact fireplace size and shape interior doors make all interior doors consistent warm natural wood doors with realistic wood grain and a clean modern finish keep all existing door locations sizes and hardware unchanged exterior deck change the visible exterior deck surface to a smooth refined concrete finish with subtle realistic texture and natural variation avoid gravel rough aggregate pavers or heavily textured concrete ceiling enhance the existing wood ceiling so it is clearly recognizable as tongue and groove wood planking make the individual boards and narrow recessed grooves between each plank more defined and consistent with realistic natural wood grain and variation maintain the same warm wood tone and existing ceiling geometry do not change anything else preserve the current design furniture materials lighting exterior lake view and overall photorealistic appearance exactly as shown
