enhance this exact bathroom render to photorealistic 4k quality keep all geometry layout fixtures and proportions exactly as they are improve realism only crisp carrara marble wall and floor tiles with natural soft veining and clean grout lines marble vanity top with subtle polished sheen smooth ceramic undermount basin and freestanding bathtub realistic aged brass tapware shower bar handles and wall spout with fine brushed metal detail and gentle highlights even soft glow from the rectangular led mirror cabinet clean light from the recessed niche accurate reflections on the glass screen 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 surface and cabinetry detail remove render noise and grain and clean up any stray coloured lines add only minimal neutral toned styling one folded towel on the vanity or tub edge and a small soap dispenser nothing more do not add move or remove any fixtures cabinetry or layout high end architectural visualisation photorealistic ultra detailed 4k
