use the uploaded image as a locked reference this is not a redesign this is a controlled edit of the existing elevation critical preserve the original geometry layout proportions wall angles ceiling slope window size window location tub location shower location toilet location glass shower position bench position niche locations and camera angle exactly as shown in the input image do not recompose the space do not center enlarge shrink simplify or improve the architecture do not add new soffits tray ceilings ceiling boxes beams coves or dropped ceiling features do not change the ceiling slope required changes only 1 tub platform completely remove the raised wood slatted platform under the tub do not replace it with a stone platform plinth step curb or raised base the tub must sit directly on the continuous finished floor plane the floor should run uninterrupted underneath and around the tub 2 tub keep the tub in the exact same size shape and position as the original input image change only the finish from dark translucent gray to matte warm white or soft off white do not make the tub taller wider boxier or more sculptural 3 ceiling and lighting completely remove the wood ceiling drop and the pendant cluster do not add any new ceiling feature in its place leave the ceiling plain white following the exact existing ceiling slope and planes use only subtle recessed lighting already implied by the original image no pendants no cords no decorative hanging lights 4 fluted wall keep the fluted wall behind the tub exactly as in the original input image preserve the same fluting width depth spacing rhythm color and alignment the fluting must remain vertical and stop cleanly at the window frame do not widen flatten soften stretch or over regularize the fluting 5 stone walls keep the stone wall locations exactly as in the original input image refine the stone to be soft warm gray beige quiet and high end use subtle natural movement not dramatic veining avoid flat beige tile busy marble high contrast veins or generic glossy stone the stone should support the fluted wall not compete with it 6 shower keep the shower glass shower footprint shower bench shower fixture and shower niche exactly where they are in the original input image do not change the glass height angle width or position do not move or resize the bench do not move or resize the niche use clean low iron frameless glass and the same quiet stone finish 7 toilet area keep the toilet right wall angled ceiling wall plane and niche exactly as shown in the original input image do not delete the niche do not move the toilet do not simplify the right wall geometry 8 tub side returns privacy walls preserve the original side return walls beside the tub exactly as shown do not make them taller thicker wider or more dominant they should remain quiet and proportional to the original image 9 render style high end architectural interior rendering soft natural daylight balanced contrast with depth modern organic minimal style calm refined cohesive and residential no extra decor no new accessories no plants unless already present final check before output the result should look like the same original elevation with only these edits tub changed to matte white wood tub platform removed wood ceiling drop removed pendant cluster removed stone softened everything else must remain in the same place and same proportion as the input image