{ "master_prompt": { "scene_type": "ultra-realistic cinematic monochrome male portrait photography", "reference_requirement": { "identity_match": "precisely replicate the uploaded reference image", "facial_accuracy": [ "bone structure", "eye shape and spacing", "nose proportions", "jawline and cheekbone structure", "facial symmetry", "hairline and hairstyle", "beard density if present" ], "skin_texture": "natural skin pores, fine lines, authentic texture preserved", "no_artificial_smoothing": true }, "subject": { "type": "mature confident man", "expression": { "mood": "serious, calm, quietly powerful", "gaze": "looking directly at the camera", "emotion": "focused and introspective" } }, "facial_hair": { "adaptive": true, "rules": [ "replicate beard exactly if present", "match density, edges, and shape", "natural tonal variation including salt-and-pepper if visible" ], "clean_shaven_rule": "if clean-shaven emphasize sharp jawline and natural skin texture" }, "hairstyle": { "adaptive": true, "requirement": "exact hairstyle replication from reference", "details": [ "natural hair flow", "visible strand detail", "subtle highlight reflections" ] }, "pose": { "style": "confident portrait pose", "description": [ "head slightly angled toward camera", "one hand resting lightly against chin or jaw", "relaxed but thoughtful posture", "fingers naturally positioned with visible skin texture" ] }, "lighting": { "style": "dramatic Rembrandt-inspired studio lighting", "contrast": "deep cinematic contrast", "key_light": { "position": "high above and slightly to the viewer’s right", "type": "large softbox or diffused studio light", "effect": "sculpted highlights on forehead, nose bridge, cheekbones and beard texture" }, "shadow_style": [ "soft triangular Rembrandt shadow on the cheek", "deep but detailed shadow side", "enhanced facial bone structure" ], "fill_light": { "intensity": "very minimal", "purpose": "retain subtle midtone detail without flattening contrast" }, "rim_light": { "intensity": "subtle", "placement": "hairline and shoulder edge", "purpose": "separate subject from background" }, "catchlights": { "type": "small natural studio reflection", "placement": "centered within both eyes" } }, "background": { "type": "pure deep black background", "texture": "none", "light_spill": "fully absorbed" }, "composition": { "orientation": "vertical portrait", }