Luxury Monochrome Couple Portrait Prompt

{   "reference_images": {     "female_reference": "Reference photo of the woman (face, hair, proportions, skin tone preserved)",     "male_reference": "Reference photo of the man (face, hair, proportions, skin tone preserved)"   },   "subjects": [     {       "role": "female",       "description": "Young woman based on reference image, long wavy jet-black hair.",       "pose": "Standing close to the male partner, facing the camera, slight elegant smile, arms relaxed and natural.",       "expression": "Soft, confident, and engaging.",       "makeup": "Classic black smoky eye makeup, softly contoured cheeks, natural satin skin finish, nude/rose lip.",       "styling_notes": [         "Elegant, tasteful cleavage (not deep, not provocative)",         "Refined luxury mood"       ]     },     {       "role": "male",       "description": "Young man based on reference image, well-groomed jet-black hair.",       "pose": "Standing next to the female partner, relaxed confident posture, one arm subtly close to her (non-posing, natural).",       "expression": "Calm, confident, subtly charismatic.",       "grooming": "Clean-shaven or light stubble, natural skin texture.",       "styling_notes": [         "Masculine elegance",         "Refined luxury mood"       ]     }   ],   "outfits": {     "female": {       "top": "Elegant black blouse with a tasteful neckline: sweetheart neckline or soft V-neck (moderate depth), structured bust seams.",       "outerwear": "Large plush black faux fur coat worn off the shoulders, draped around the elbows.",       "bottoms": "Black sequined trousers or black sequined skirt, partially visible.",       "accessories": "Small black clutch handbag held in hand.",       "jewelry": [         "Black diamond heart-shaped pendant necklace on a delicate chain"       ]     },     "male": {       "top": "Black tailored shirt or fine-knit black turtleneck, fitted but elegant.",       "outerwear": "Luxury black wool overcoat or black faux fur coat worn open.",       "bottoms": "Black tailored trousers.",       "accessories": "Minimal black leather card holder or clutch.",       "jewelry": [         "Minimal black diamond or onyx pendant necklace"       ]     },     "color_rule": "All clothing and accessories are black (monochrome black-on-black styling)."   },   "environment": {     "location": "Upscale city street at night ({argument name="city location" default="London implied by Union Jack flags"}).",     "background_elements": [       "Grand building entrance with large stone columns",       "Union Jack flags on the facade",       "Ornate black metal gate",       "Large green hedge with warm white fairy lights",       "Parked black luxury car (Rolls-Royce style)",       "City streetlights and blurred pedestrians in the distance"     ]   },   "lighting": {     "type": "Nighttime ambient city lighting",     "qualities": "Warm architectural and fairy lights mixed with cool street lighting, clean subject illumination, na"   } }