PHASE 1: VISUAL DECONSTRUCTION - **Fabric Physics:** The source garment is a structured, medium-weight fabric (likely cotton or silk blend) featuring rigid embellishments (mirror work/sequins). Unlike the user's current ribbed knit, this fabric has low elasticity and will not stretch significantly. The black base material is matte, but the mirror embellishments are highly specular and must reflect the environment's light sources sharply. - **Key Features:** The deep V-neckline, the geometric diamond pattern of the embroidery/mirrors, and the sleeveless shoulder construction must be preserved. The cropped hemline is straight and structural, differing from the scalloped hem of the user's current top. PHASE 2: FIT & DRAPE SIMULATION - **Body Mapping:** The source garment is a fitted crop top. On the target user, the garment should contour closely to the torso without sagging. Since the user is currently wearing long sleeves and a high neck, the simulation must generate accurate skin texture for the arms, shoulders, and upper chest area to accommodate the sleeveless, deep-V cut of the new garment. The hem will sit significantly higher than the current garment, likely exposing the midriff above the skirt waistband. - **Occlusion Handling:** The gold necklace visible on the target user's neck is a critical occlusion layer; it must be segmented and re-composited *over* the skin generated by the V-neck opening. The loose strands of hair framing the user's face and jawline must remain in the foreground, overlaying the new shoulder straps. PHASE 3: ENVIRONMENT & LIGHTING - **Light Match:** The target environment features soft, diffuse indoor lighting coming primarily from the viewer's left (user's right), creating soft shadows on the opposite side. The new garment's specularity (mirrors) must catch highlights on the left side, while the right side of the bodice should fall into a natural, soft shadow gradient consistent with the user's face. - **Color Calibration:** The source image is brighter and cooler (flash/studio light) than the target image (warmer indoor ambient light). The black level of the source top must be crushed slightly and warmed to match the contrast and color temperature of the target user's skirt and hair. PHASE 4: IDENTITY PROTECTION - **Facial Lock:** Absolute freeze on the facial region from the chin up, including the specific drape of the hair strands. The neck structure must be preserved while transitioning from the current high collar to the new open neck. - **Body Integrity:** Strict prohibition on altering the user's shoulder width, bust size, or waist circumference. The generated skin for the arms and chest must perfectly match the user's existing facial skin tone and grain, ensuring no "airbrushed" or slimming effects are applied.