create a clean highly realistic architectural render of a small modern bathroom the floor is covered with 30x30 cm dark grey tiles the walls are also covered with 30x30 cm dark grey ceramic tiles same format with subtle grout lines and a slightly matte finish layout on the left wall a small wall mounted round sink with a minimalist chrome faucet above the sink a simple rectangular mirror without frame in front right area a wall hung toilet with a concealed cistern and a light beige seat a partial dividing wall separates the toilet area from the sink area a modern flush plate is installed on the tiled wall above the toilet style and materials minimalist contemporary bathroom dark grey ceramic tiles on both floor and walls clean geometry and simple sanitary fixtures soft neutral tones with subtle contrast between the dark tiles and white ceramics lighting and rendering soft natural lighting coming from above or from the side physically accurate materials pbr realistic reflections on ceramic and chrome slight ambient occlusion in corners high quality architectural visualization ultra realistic render sharp details balanced exposure