use the uploaded whitebox sketchup massing model as the exact base geometry strict geometry rules do not change the floor plan room proportions wall positions ceiling heights window openings door openings or camera angle do not add new openings all openings on the exterior walls are windows keep the spatial layout exactly as modeled program room function left room private wellness room in the upper left corner of this room place a premium kubiq sauna with large glazed surfaces the sauna should feel modern custom made high end with large floor to ceiling glass panels dark slim frames refined detailing and warm indirect led lighting sauna interior in premium thermo alder warm hemlock tone wood elegant horizontal bench lines minimalistic and architectural in front of the sauna place two premium tepidarium loungers sculptural and comfortable aligned with the room layout between the wellness room and the bedroom the small middle room is a compact bathroom with a walk in shower wall hung toilet and a minimal floating sink lavabo right room bedroom place one large bed as the main element add a wardrobe along the long upper wall add a dresser commode near the balcony door on the right side keep the bedroom modern calm elegant and coherent with the wellness aesthetic design language modern interior design premium boutique apartment atmosphere refined and minimalist architectural styling materials warm natural wood microcement soft beige greige tones smoked glass subtle black accents premium textiles lighting soft natural daylight from the windows warm ambient led accents realistic interior lighting the sauna must clearly read as a premium kubiq custom built piece visual target highly realistic interior render sophisticated clean luxurious but not flashy balanced composition realistic materials realistic shadows premium residential wellness suite