Gen Z/Y2K Flash Portrait in Poster-Covered Bedroom

"prompt_description": "subject": "appearance": "Young woman with fair skin and dark brown hair styled in a high, messy bun with loose strands framing the face. Soft, fresh makeup with rosy cheeks and mauve lips.", "outfit": "Oversized, sweater_color ribbed knit sweater with a wide, folded collar.", "environment": "Bedroom setting with a white wall densely decorated with a collage of magazine cutouts, posters, photos, and stickers (indie/retro aesthetic)." , "technical_style": "Flash photography, candid snapshot, Gen Z/Y2K aesthetic, casual and cozy vibe." , "pose_specs": "body_position": "Upper body portrait (bust shot). Shoulders slightly hunched/raised in a cozy posture.", "head": "Tilted slightly to the side (viewer's left), creating a soft, approachable angle.", "expression": "Gentle, closed-mouth smile with kind eyes gazing directly at the camera." , "camera_settings": "viewpoint": "Eye-level.", "focal_length": "28mm to 35mm (Smartphone wide lens).", "aperture": "f/4.0 to f/5.6 (Everything in relatively sharp focus from subject to wall).", "shutter_speed": "1/60s (Synced with flash).", "iso": "400", "composition": "Centered subject with a busy, textured background." , "lighting_setup": "type": "Direct On-Camera Flash.", "qualities": "Hard, frontal lighting.", "shadows": " distinct, hard drop shadow visible on the poster-covered wall directly behind the subject's head and shoulders, characteristic of point-and-shoot or smartphone flash photography.", "color_temperature": "Cool flash white balance (approx 5500K) contrasting with the colorful background."