PHASE 1: VISUAL DECONSTRUCTION - **Fabric Physics:** The source garment is a structured, heavily embellished crop top (likely cotton or synthetic base with mirror-work/sequins). It has high structural integrity and stiffness due to the heavy embroidery; it will not drape loosely or flutter like chiffon. It requires specular mapping to simulate the hard reflections of the mirror/sequin details. - **Key Features:** The V-neckline, the specific geometric pattern of the mirror-work (diamond and chevron arrangements), the sleeveless cut, and the distinct cropped hemline. The contrast between the deep black fabric base and the silver/reflective embellishments must be preserved. PHASE 2: FIT & DRAPE SIMULATION - **Body Mapping:** The target user is in a three-quarter profile pose. The source garment must be warped to wrap around the torso, accounting for the curvature of the bust and the straight line of the back. Since the source is a crop top, the hemline will sit significantly higher than the user's current pink top; the simulation must generate a clean waistline boundary where the crop top ends, potentially revealing the midriff or meeting the high-waisted trousers. - **Occlusion Handling:** - **Hair:** The user's long dark hair falls over her back and right shoulder area. This hair mask must be segmented and layered *over* the new black top to maintain depth. - **Arms:** The user's left arm is bent across the torso. The new garment's armhole must align with the user's natural shoulder joint, and the side seam must disappear naturally behind the bent arm. - **Accessories:** The delicate necklace and the earring must be preserved and layered above the skin/garment layer. PHASE 3: ENVIRONMENT & LIGHTING - **Light Match:** The user is in an outdoor environment with diffuse, soft daylight (likely overcast). The source image has harsh indoor frontal lighting. The new garment's lighting must be softened; the "mirrors" on the top should reflect the ambient white/grey sky and green environment rather than sharp indoor studio lights. Shadows should be soft and diffused, appearing primarily under the bust and in the armpit area. - **Color Calibration:** The deep black of the source top must be color-graded to match the outdoor exposure. It should be slightly lifted (dark grey-black) to match the atmospheric perspective of the outdoor scene, ensuring it doesn't look like a "black hole" against the natural background. PHASE 4: IDENTITY PROTECTION - **Facial Lock:** The user's entire head, including profile facial features (nose, lips, jawline), ear, and earring, must be frozen and pixel-preserved. - **Body Integrity:** The user's shoulder width, arm thickness, and posture must remain unaltered. No slimming filters or reshaping of the torso is permitted. The skin tone generated for any exposed midriff area (due to the crop cut) must perfectly match the user's existing skin tone on the arms and face.