Night Beach Sparkler Snapshot

Create a candid flash-photo style nighttime beach snapshot of an adult {argument name="subject" default="young woman"} crouching low on wet sand near the shoreline, barefoot, wearing a short white floral summer dress with pink flower pattern and thin straps. She is holding one lit handheld sparkler in her left hand close to the sand, producing a bright golden flare and star-shaped sparks that illuminate her hand and the lower-left foreground. Her right hand rests near her toes, knees bent, body angled three-quarters toward the camera. Her medium-length {argument name="hair color" default="brown"} hair is loose and slightly windblown. Cover the face completely with a centered solid beige rectangular blur/censor block, with no facial details visible. The background is a dark ocean at night with small waves rolling in, wet sand reflecting warm streetlights, and a long diagonal line of blurry yellow-white promenade lights receding into the distance along the shore. Use a grainy, imperfect disposable-camera aesthetic with direct flash on the subject, high ISO noise, slight motion blur, warm highlights, dark blue-black sky, and a vertical smartphone composition. No text, no watermark, no extra people, exactly one visible sparkler, exactly one crouching subject, exactly one beige face-obscuring rectangle.