redesign the bathroom while keeping the exact existing layout all dimensions proportions and positions of every element do not move add or remove any existing bathroom fixtures furniture sanitary elements or architectural features enhance the existing design with beautiful realistic lighting and a sophisticated inviting atmosphere use soft natural light combined with carefully positioned warm artificial lighting creating subtle shadows realistic reflections and depth preserve the original design concept and materials enhancing their textures and finishes for a high end architectural visualization create a photorealistic 3ds max v ray render with physically accurate materials realistic tile textures natural reflections soft ambient occlusion balanced exposure and cinematic lighting the result should feel elegant warm refined and lived in never sterile artificial or overly glossy critical keep the original drawing and layout completely unchanged only improve the visual quality lighting material realism and atmosphere professional architectural visualization ultra realistic v ray quality