Abstract Motion Blur

Prompt:
“16:9 YouTube thumbnail, minimal editorial collage, soft paper textures, subtle film grain, gentle vignette, muted warm gray background with a single accent gradient (rose→blue), shallow depth, long soft shadows, halftone details, rounded shapes, clear negative space reserved for overlay, no text, letters, numbers, or logos.” Abstract motion-blur figure sliding left to right, edges feathered; right edge features a vertical soft gradient bar (rose→blue); foreground and left half mostly empty; faint wall texture; Base style.”