non negotiable rule do not move resize or reposition anything do not change layout spacing or scale do not redesign fixtures or architecture only enhance material expression lighting and subtle detailing design goal transform the space from a flat uniform stone environment into a layered architectural modern organic bathroom using subtle contrast depth and lighting hierarchy material refinement keep same materials add variation wall tile do not change tile type or size maintain 24x48 travertine look porcelain introduce slight tonal variation between planes vanity wall slightly warmer deeper tone very subtle shower side walls keep lighter increase definition of horizontal coursing very subtle contrast at joints keep matte honed finish no gloss add depth through shadow reveals mirror float mirror off wall add subtle shadow gap behind vanity increase shadow beneath vanity stronger floating effect but still realistic shower niche sharpen edges clean architectural reveal not soft add slight internal depth shadow wall transitions introduce very subtle vertical seam or reveal where planes meet if already implied enhance it shower zone differentiation very subtle keep same tile but slightly shift tone or orientation emphasis add very soft light grazing effect from above to bring out texture lighting correction critical keep vertical sconces at mirror adjust reduce overall ambient flatness add directional wall grazing light from ceiling on one wall very soft remove reduce under vanity lighting tone down significantly or remove under bench lighting remove or make extremely subtle niche keep led but more concealed source less glow spill more focused wash vanity subtle enhancement only maintain exact size and placement slightly deepen wood tone richer warmer brown enhance natural grain contrast still refined not rustic contrast control keep black fixtures slightly refine finish to feel more tactile brushed matte not flat black void floor kitkat mosaic maintain exact layout and scale increase natural tonal variation slightly slightly deepen grout contrast very subtle ensure pattern reads clearly from camera camera image quality maintain same perspective and framing keep verticals perfectly straight no stylization no wide angle distortion negative prompt strict do not add new materials change tile sizes or layout move fixtures or walls add decor no towels plants styling over darken or increase contrast dramatically add dramatic lighting or shadows introduce color shifts outside warm neutral palette
