A modern, minimalist bathroom with black and gold marble walls and flooring. The walls are covered in dark, glossy black tiles with gold veins, creating a striking contrast with the white sink and toilet. The sink is positioned in the center of the room, with a gold faucet and a round mirror above it. The floor is tiled with dark grey tiles, adding a touch of elegance to the otherwise monochromatic space. the lighting is soft and warm, with recessed lighting that creates a sense of depth and dimension. the overall aesthetic is sleek and contemporary, with an emphasis on luxury and sophistication.