Create a 16:9 cinematic fashion portrait of a young adult woman seated indoors on a modern chair. Compose her in a three-quarter view, with her body slightly leaning back and one arm resting casually on the chair, giving a calm and confident presence. She has an oval face, a defined jawline, refined dark wavy hair with soft bangs, and polished high-end editorial styling. She wears an all-black fashion outfit, including a dark turtleneck and a structured blazer. Set the background as a smooth dark wall with dramatic geometric window-shadow patterns, glowing in soft pink-purple light and contrasting with deep shadows. Let the colored light subtly rim her hair and shoulders to heighten the drama. Use moody artistic lighting, soft shadows, cinematic contrast, deep blacks, soft skin tones, vivid pink highlights, and a magazine-cover aesthetic. Place the subject slightly off center. Keep the final image polished, tasteful, realistic, and public-safe. Avoid readable text, logos, watermark, captions, UI, source-site marks, or low-resolution artifacts.