Ultra-realistic full-body portrait of a young woman (same face as reference image, 100% accuracy) standing confidently on a sunlit sandy beach. Long dark wavy hair over shoulders, serious captivating gaze. Outfit: vibrant yellow sundress with spaghetti straps, sweetheart neckline, high-low hem, adorned with colorful mandala patterns in blue, teal, orange, red. Pose: right hand holding flowing skirt, casual white sneakers. Background: clear blue ocean with gentle waves, bright natural sky, softly blurred coastal backdrop. Lighting: bright even sunlight, fresh vibrant mood, shallow depth isolating subject.