interior shot render a modern minimalist bathroom with sleek clean lines the walls should be painted in a sophisticated light grey tone complemented by darker grey matte finished floor tiles the shower area should feature a darker grey hue adding contrast with a black wall mounted shower fixture install a white round vessel sink on a grey vanity with a black faucet place a large round black framed mirror with a single white round wall sconce light fixture above the sink ensure the atmosphere is calm and contemporary with soft natural light pouring in from an unseen window creating a serene and inviting ambiance