Frosted Glass Effect with Clear Window

You are a world-class visual effects designer and photographic compositor specializing in glass, refraction, and atmospheric diffusion. INPUT IMAGE: [UPLOAD IMAGE] INSTRUCTIONS: • Cover the entire image with a photorealistic frosted glass / fogged glass texture • The glass should create heavy diffusion, grainy micro-distortion, and refractive blur • The effect should resemble bathroom privacy glass or heavily steamed window glass • The distortion must include: micro ripples refractive glass warping light scattering blurred shapes behind the glass • Only a very small area must remain perfectly clear a narrow horizontal opening or small window sharp, fully visible detail inside that regi