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[Subject] A young woman taking a casual full-body mirror selfie in a small graffiti-covered restroom or narrow urban bathroom. She has fair skin, long straight black hair tied in a high ponytail, large round wire-frame glasses, silver hoop earrings, and a subtle closed-mouth smile. She wears a fitted black sleeveless crop top and high-waisted black distressed skinny jeans with rips at the knees and thighs. She holds a smartphone up in front of her face with one hand, partially covering the center of her face, while her other arm hangs relaxed at her side. Keep exactly one female subject.

[Environment] A cramped bathroom or changing-room-like space fully covered in colorful graffiti and tags. The walls, door, and surrounding surfaces are layered with spray-painted marks in black, blue, orange, red, and white. The mirror is slightly dirty or fogged, with smudges and haze near the edges. White tiles are visible beneath some of the graffiti. The mirror frame and a sink or counter edge appear along the bottom foreground. The space feels gritty, urban, and spontaneous rather than polished or luxurious.

[Composition/Camera] Vertical mirror-selfie composition, full to three-quarter body framing. The woman stands centered in the mirror, body facing forward. The phone sits near the middle of the frame, covering part of her nose and mouth area, while her outfit and stance remain clearly visible. The narrow walls create tunnel-like depth around her. The mirror edge and sink lip at the bottom ground the image as a real bathroom capture. Keep the framing straightforward, like an improvised phone selfie, not a posed editorial shot.

[Lighting] Soft warm indoor overhead lighting with slightly dim, ambient bathroom illumination. No flash. Skin tones remain natural and readable, but the room has a mellow low-light feel. Graffiti colors stay visible without becoming neon-bright. The lighting should feel like an ordinary restroom mirror situation, slightly softened by the dusty mirror surface.

[Style/Rendering] Hyper-real casual mirror-selfie photography with authentic urban texture. Realistic skin, believable phone reflections, dirty mirror haze, crisp graffiti detail, and natural low-light softness. The image should feel like an effortlessly cool spontaneous selfie taken in a graffiti-covered venue bathroom, not a fashion campaign and not a nightclub poster. Preserve the informal charm and lived-in environment.

[Detail constraints] Do not add other people. Keep the black crop top, ripped black jeans, high ponytail, glasses, hoop earrings, and centered mirror-selfie stance. Preserve the full graffiti walls, narrow bathroom proportions, tiled surfaces, and smudged mirror edges. Do not turn the scene into a clean home bathroom, studio, or brightly lit dressing room.

Negative prompt: extra people, bathroom stalls visible, luxury marble bathroom, bedroom mirror, gym mirror, daylight, blonde hair, colorful outfit, no graffiti, over-glam makeup, heavy flash, deformed hand holding phone, warped phone shape, anime style, painting, poster text, watermark clutter.

Suggested parameters: aspect ratio 4:5 vertical; lens 26-35mm equivalent smartphone selfie lens; aperture look f/2.8 to f/4; steps 28-38; CFG/style guidance 6-7.5; sampler DPM++ 2M Karras or realistic candid sampler; seed suggestion 264075913.

Delta prompt strategy:
1. If the graffiti setting disappears: "small restroom or narrow bathroom fully covered in colorful graffiti tags and spray paint"
2. If the mirror-selfie framing weakens: "centered mirror selfie with smartphone held in front of the face, sink edge visible at the bottom"
3. If the outfit changes: "black sleeveless crop top and high-waisted black ripped skinny jeans"
4. If the room gets too clean: "smudged mirror edges, gritty tiled walls, urban venue-bathroom atmosphere"
5. If the ponytail disappears: "long black high ponytail falling over the shoulder and chest"
6. If it becomes too polished: "spontaneous casual bathroom mirror selfie, not a studio fashion shoot"
7. If the subject is framed too close: "three-quarter to full-body view inside a narrow mirror"
8. If colors get too intense: "muted warm indoor light with visible but slightly softened graffiti colors"
9. If the phone blocks too much or too little: "phone partially covering the center of the face while leaving the outfit readable"
10. If accessories vanish: "round wire-frame glasses and silver hoop earrings"