Stunning portrait, exceptional quality, one young woman, alone, striking blue hair in a flowing ponytail, captivating eyes, serene white and blue color scheme, casual white T-shirt, stylish shorts, medium build, hint of midriff, poised stance, medium close-up, ultra-high definition, crisp detail, vibrant colors, realistic style, seamless background, natural proportions, expressive pose, focused composition, elegant simplicity.