use the uploaded whitebox as the exact geometry reference and keep the architecture unchanged create a premium photorealistic exterior interior render of this compact outdoor sauna do not redesign the object do not change the proportions roofline window positions door position glass dimensions base plinth or overall geometry material specification exterior facade anthracite fundermax max compact panels smooth matte finish clean modern panel appearance the recessed entrance zone around the door the inset portal entry reveal should be fully clad in thermo wood glazing smoked grey grey tinted glass interior thermo alder wood horizontal wall and ceiling boards warm natural premium finish visible benches in matching thermo alder design language minimal refined premium outdoor wellness object crisp edges slim dark details elegant modern architecture realistic material contrast between anthracite compact facade panels and warm thermo wood in the recessed entry zone important no sauna heater no stove no chimney no accessories added inside keep the interior clean and empty except for the benches preserve the exact whitebox layout and glazing composition rendering style high end architectural visualization realistic daylight soft shadows natural reflections in the grey tinted glass clean elegant premium mood ultra realistic materials and textures
