create a high end photorealistic architectural interior visualization based exactly on the provided reference image the goal is to convert the sketchup style reference image into a photorealistic client presentation render while preserving the architecture structure geometry proportions materials camera angle and all visible elements 100 exactly as shown in the reference this is not a redesign this is not a reinterpretation this is not a creative improvement this is not a furnishing proposal this is only a photorealistic rendering of the exact same scene 1 absolute preservation lock highest priority preserve 100 exactly original wide camera angle original perspective original field of view original composition room proportions wall positions floor level ceiling position and geometry sloped ceiling geometry staircase position and geometry staircase width angle and number of visible steps black metal railings position and layout steel column position dimensions and proportions all steel beam positions dimensions and orientation mezzanine gallery geometry wooden clad underside of the mezzanine rear glass floor section of the upper level window position and proportions radiator position visible door edge and handle position lower wooden floor direction all structural relationships all materials exactly as described below everything must stay exactly the same as in the reference image do not redesign anything do not reinterpret anything do not improve anything except photorealistic material rendering do not add anything do not remove anything do not move anything do not resize anything do not replace anything do not invent missing objects do not complete the scene with new elements do not decorate the space do not stylize the space do not simplify the structure do not change the construction logic the final image must be only a photorealistic version of the same exact reference image 2 strict no add rule critical absolutely nothing may be added to the final image this means no furniture no decor no accessories no lighting fixtures no pendant lights no spotlights no led strips no wall lamps no artworks no shelves no cabinets no tables no chairs no sofas no rugs no curtains no blinds no plants no flowers no people no pets no construction tools no objects on the floor no objects on the mezzanine no extra architectural details no additional wall elements no extra doors no extra windows no ceiling elements no decorative beams no added textures not present in the reference no additional glass elements except those explicitly described no new structural elements no hidden creative enhancements do not add anything under any circumstances if something is not visible in the reference do not invent it if something is not explicitly requested do not include it 3 scene description wide interior view of an apartment with a newly inserted steel load bearing mezzanine gallery structure the scene contains a dark structural steel frame a vertical dark steel column exposed dark steel beams a wooden staircase black metal railings a warm wooden plank floor on the lower level a wooden clad underside of the built in mezzanine a rear section of the upper floor made of walkable structural glass panels a window with radiator light off white plaster walls a sloped ceiling finished in white plasterboard white drywall a clean empty architectural space the space must remain empty and technical without any decorative or furnishing additions 4 material lock steel structure render all steel elements as dark anthracite to black structural steel matte to satin finish realistic powder coated appearance physically believable roughness subtle edge highlights realistic weight and thickness no chrome effect no mirror reflections no rust no decorative patina the steel must look solid structural and technically credible lower floor render the lower floor as warm natural wooden planks realistic wood grain visible joints between boards satin finish subtle variation between planks natural brown tone not too orange not too yellow not glossy keep the floor direction exactly as in the reference staircase render the staircase as warm natural wood realistic wooden treads same geometry and position as reference clean architectural appearance natural satin finish realistic grain do not redesign the staircase underside of the mezzanine render the entire visible underside of the built in mezzanine as wooden cladding warm natural wood realistic grain clean board or panel structure subtle tonal variation believable material thickness important the underside of the mezzanine must remain wooden cladding do not change it to plaster white paint metal or concrete rear section of the upper floor render the rear part of the upper floor as walkable structural glass panels transparent or slightly translucent architectural glass realistic thickness subtle reflections subtle light transmission technically believable glass flooring important glass is used only in the rear floor section of the mezzanine do not add glass anywhere else unless already shown railings render all visible railings as black painted metal only matte finish slim vertical balusters same rhythm and layout as in the reference no glass infill no glass panels no transparent balustrade no redesign important the railings are metal only without any glass infill walls render the walls as light off white plaster subtle fine texture clean realistic surface no wallpaper no decorative finish no wall panels no feature wall ceiling critical render the ceiling as white plasterboard white drywall ceiling the sloped ceiling must also be white plasterboard smooth painted finish simple and neutral no wood finish no concrete finish no decorative ceiling treatment no added lights no visible ceiling fixtures important the sloped ceiling must be white and made of plasterboard drywall do not change its color do not change its material do not add any ceiling elements window and radiator render the window and radiator as white painted window frame same proportions and position as reference clean glazing white painted radiator below realistic but visually secondary do not redesign them 5 lighting lock use soft natural daylight only lighting must be realistic neutral to slightly warm not yellow not cold blue balanced soft and natural physically believable bright enough to read the steel wood and glass clearly add realistic global illumination accurate contact shadows soft shadow depth below the mezzanine subtle reflections on the glass floor section natural material response on wood steel and plasterboard avoid dramatic cinematic lighting artificial lighting mood visible lamps spotlights pendant lights led strips ceiling lights hdr effect overexposed highlights excessively dark shadows 6 photorealism boost upgrade the reference into a professional photorealistic render using physically based materials realistic global illumination accurate contact shadows realistic steel roughness natural wood grain realistic wooden cladding texture realistic plasterboard ceiling surface believable walkable glass panels realistic plaster wall texture correct scale perception natural exposure balanced contrast crisp but not artificial detailing subtle 1 2 photographic grain to avoid cgi plasticity the result must look like a clean client ready architectural visualization not a stylized concept image 7 absolute negative prompt do not add anything do not change anything do not remove anything specifically do not add furniture decor accessories artworks shelves cabinets tables chairs sofas carpets curtains blinds plants flowers people pets lamps ceiling lights wall lights led strips spotlights pendant lights extra windows extra doors extra beams extra columns extra glass glass railings glass infill in railings wall decorations textures not present in the reference construction clutter any objects whatsoever do not change camera angle perspective composition room geometry staircase geometry steel structure geometry railing layout window position radiator position wooden floor direction mezzanine geometry wooden underside of the mezzanine rear glass floor section wall color sloped ceiling geometry sloped ceiling material sloped ceiling color any proportions any material assignments described above if the model is uncertain it must leave the scene empty rather than adding anything 8 final output final image should be ultra realistic clean technically believable empty client ready high resolution faithful to the reference image target look 8k high end architectural render quality