a hyper-realistic alien empress with iridescent lavender skin and bioluminescent markings, wearing a translucent, gravity-defying gown made of holographic fibers, standing in a crystalline throne room aboard a deep-space citadel, twin moons visible through a massive observation window, ethereal lights casting rainbow reflections on her skin, floating AI drones circling her like fireflies, ultra-futuristic, cinematic sci-fi fantasy atmosphere
