A photo-realistic rendering of a modern, luxurious indoor theater with a grand staircase leading to the second floor. the theater has a high ceiling with a skylight that allows natural light to flood the space, creating a warm and inviting atmosphere. the walls are made of marble with intricate designs, and the floor is covered with a plush carpet. on the left side of the image, there is a large screen displaying a movie, and on the right side, there are two large windows that let in natural light. the room is decorated with string lights hanging from the ceiling, adding a touch of elegance to the space. the overall design of the theater is elegant and sophisticated, with a focus on luxury and sophistication.