enhance this exact shower render to photorealistic 4k quality keep all geometry layout fixtures and proportions exactly as they are improve realism only crisp white subway tiles in brick pattern with clean grout lines carrara marble texture with natural soft veining on the back wall bench and floor accurate soft reflections on the polished tiles glass screen and brass hardware realistic aged brass shower rail mixer handheld screen hinges and handle with fine brushed metal detail and gentle highlights clean even glow from the recessed led niche accurate arch mirror reflections seen through the glass refine lighting to soft even daylight with warm ambient fill balanced exposure recover blown highlights and gentle realistic shadows maintain true white balance with neutral tones sharpen tile and surface detail remove render noise and grain and clean up any stray coloured lines add only minimal styling a small soap or shampoo bottle in the niche nothing more do not add move or remove any fixtures tiles or layout high end architectural visualisation photorealistic ultra detailed 4k
