Blue Mushroom Portable Lamp

Generate exactly one finished image, never a collage, grid, or multiple variants. An original compact cobalt-blue mushroom-shaped rechargeable lamp rests on terracotta tile, casting one warm elliptical light pool at blue hour. Touch button subtly integrated with no lettering, believable metal edges and diffused light, product occupies lower left against spacious slate-blue wall. Vertical 3:4. Original visual concept, carefully resolved composition and materials. No watermark. Text-to-image only; do not use previous conversation images as visual inputs.