1girl, solo, upper body portrait, underwater fantasy composition, beautiful woman, pale skin, striking light eyes, long flowing white hair, wearing an intricate pearl and jewel-encrusted mermaid tail and coral crown, holding a sparkling heart jewel, dark background with floating sparkles, dramatic cinematic lighting with a soft magical blue and purple glow, pseudo-realistic digital art, highly detailed jewel and scale textures, realistic skin pores, no text, no watermark, shallow depth of field
