exterior shot render a serene and minimalist attic bedroom with a modern bathtub the walls should be a soft gray creating a calm ambiance ensure the wooden beams and flooring have a warm natural brown tone enhancing the cozy atmosphere the bed is elegantly simple with neutral gray bed linens and plush pillows include a sleek transparent glass partition between the bathtub and the bed the bathtub should be a smooth pristine white with sophisticated bronze fixtures use natural lighting from the skylight to cast gentle shadows creating a peaceful and inviting space