A vertical 9:16 design in the style of luminous stained glass. A row of tall dark pine trees silhouettes the foreground, while above them flows a vibrant aurora borealis in ribbons of turquoise, teal, aqua, and purple light. The sky shifts from glowing orange at the horizon into deep starry blue at the top. The design should look bold, glowing, and magical, with crisp black outlines and a stained-glass effect