IDENTITY PRESERVATION INSTRUCTION:
Using the uploaded photo as reference, preserve the person's exact facial features, face shape, eye color, skin tone, and unique characteristics while applying the detective transformation. The original identity must remain completely recognizable.

TRANSFORMATION DESCRIPTION:
Transform the person into a classic British detective character. The subject should be wearing a traditional beige trench coat and a dark fedora hat. The pose should be contemplative and slightly mysterious, perhaps with the person looking off-camera or directly at the viewer with a thoughtful expression. The overall aesthetic should evoke British noir cinema and classic detective literature.

STYLE AND AESTHETIC PARAMETERS:
- Art style: Photorealistic cinematic portrait, high-quality photography
- Lighting conditions: Dramatic, moody lighting with strong chiaroscuro effect. Soft key light on face with deep shadows creating mystery and depth. Natural window light or streetlamp ambiance
- Color palette: Muted, desaturated tones with warm sepia undertones. Deep browns, charcoal grays, cream, and muted greens. Classic British noir color scheme
- Background treatment: Victorian-era London street scene or foggy cobblestone alley. Gas lamps or vintage streetlights creating pools of light. Misty atmosphere with brick walls or old buildings
- Period details: Vintage aesthetic, 1940s-1950s British crime drama style

TECHNICAL QUALITY PARAMETERS:
- High resolution, 4K, detailed
- Sharp focus on face and eyes
- Professional quality cinematic portrait
- Aspect ratio: 3:4 vertical portrait orientation
- Film grain texture for authentic vintage feel
- Cinematic color grading with subtle vignette
- Detailed fabric textures on trench coat and fedora

NEGATIVE PROMPT GUIDANCE:
Avoid: distorted features, unrealistic proportions, blurry face, loss of likeness, modern clothing, bright saturated colors, cartoonish style, anime style, low resolution, pixelated image, unnatural skin texture, mismatched lighting, oversaturated colors, digital artifacts, plastic-looking materials, modern hairstyles, contemporary accessories, bright daylight scenes

USER CUSTOMIZATION:
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ADDITIONAL TIPS:
- For best results, use a clear front-facing or slightly angled photo
- The prompt works well with both color and black & white source photos
- Adjust the background description if you prefer a different setting (e.g., "cozy detective office" or "rainy London street")
- You can specify additional props like a magnifying glass or pipe if desired