Noir cinematic still of a mischievous young woman sitting on a rumpled bed in her dimly lit bedroom, gripping an electric toothbrush like a weapon, low-angle shot, flash photography style, sharp shadows on the walls, red satin sheets, cold blue window light mixing with warm bedside lamp, messy hair, bare legs, mocking half-smile, Wong Kar-wai color palette, high contrast, grainy 35mm film texture.