create a minimalist indoor courtyard scene featuring a serene atmosphere use soft light gray for the walls to evoke calmness add a sleek modern black framed glass building entrance door on the left side incorporate a large loggia window with warm wooden blinds slightly open casting gentle shadows on the wall position a vibrant green bamboo plant on the right standing in a corner with a subtle mossy surface beneath it adding a touch of nature the floor should be a smooth polished concrete in a medium gray tone ensure the lighting is soft and natural creating a tranquil and inviting feel