"Title: Nebula Spark; Style Aesthetic: Emitting a Cosmic Radiance; Color Palette: A Starlit Abyss with Luminescent Hues; Accents: Subtle Pulses of Electric Blue and Aurora Green; Materials and Textures: Aqueous Crystal – a Slippery, Polished Surface with Nebula-like Sparkles; Lighting and Shadows: Ethereal Luminescence Creating an Illusion of Celestial Depth; Mood Keywords: Mystical, Otherworldly, Enchanting"