"Craft a thumbnail for a mental health video, highlighting a photorealistic and calming indoor scene. Imagine a warmly lit room with a comfortable chair, a soft blanket, and a book, suggesting a safe and peaceful space for introspection and self-care. The warmth and texture of the scene should convey a homely feeling, inviting viewers to consider their own spaces of comfort and healing. The image should be detailed, with a focus on realistic lighting and textures, optimized for YouTube's thumbnail size, chaos, 4k --ar 16:9 --niji 6