Photorealistic Portrait of Billie Eilish in Upscale Modern Living Room

{
  "version": "2.0",
  "metadata": {
    "target_resolution": "3840x2160",
    "aspect_ratio": "9:16",
    "render_engine": "Photorealistic Path-Tracing",
    "color_space": "Natural Warm D65"
  },
  "subject_layer": {
    "identity": {
      "name": "{argument name=\"subject name\" default=\"Billie Eilish\"}",
      "likeness_fidelity": "High",
      "reference_era": "Blonde Era"
    },
    "anatomy": {
      "hair": {
        "color": "Bleached Blonde",
        "style": "Long, messy-chic waves",
        "parting": "Symmetrical center part",
        "texture": "Visible individual strands"
      },
      "makeup": {
        "aesthetic": "Soft Glam",
        "details": ["Sharp feline winged eyeliner", "Nude-beige eyeshadow", "High-shine clear lip gloss"],
        "skin_render": "Pore-level detail, natural skin imperfections, soft matte finish"
      }
    },
    "attire": {
      "top": "Black micro-ribbed elastane bandeau crop top",
      "bottom": "High-waisted black silk-blend skirt, thigh-high left-side slit, ruched side knot",
      "accessories": [
        "Gold-plated layered chains with small circular pendants",
        "Thin gold chain bracelet on right wrist"
      ]
    },
    "kinetics": {
      "pose": "Reclined, leaning weight on right armrest",
      "hand_placement": {
        "right": "Flattened on sofa cushion",
        "left": "Relaxed on upper thigh"
      },
      "eye_contact": "Direct-to-lens, soft gaze"
    }
  },
  "environment_layer": {
    "primary_setting": "Upscale Modern Living Room",
    "structural_elements": {
      "walls": "Eggshell finish, warm yellow pigment",
      "back_wall": "Floor-to-ceiling mirrored panels with subtle edge beveling"
    },
    "furniture": {
      "main_piece": "Beige oversized sectional",
      "fabric": "Heavy-weave linen texture",
      "accents": "Kilim-patterned throw pillows in earth tones"
    },
    "reflective_background": {
      "elements": ["Minimalist kitchen cabinetry", "Stainless steel fridge", "Wooden dining set"],
      "lighting_fixtures": "Modern cylindrical black pendant lights"
    }
  },
  "optical_layer": {
    "lighting_design": {
      "primary": "Warm ceiling track lighting (3000K)",
      "secondary": "Directional natural daylight from window (side-lit)",
      "shadows": "Soft contact shadows, minimal harsh edges"
    },
    "camera_settings": {
      "focal_length": "35mm wide-angle",
      "aperture": "f/2.8 (shallow depth of field)",
      "focus": "Pin-sharp on subject eyes",
      "bokeh": "Reflective highlights in mirrors rendered as soft orbs"
    }
  }
}