A premium 3D app icon for a "Password Generator." A central futuristic glossy glass padlock with a glowing orange keyhole. Floating around it are light blue digital "********" password symbols and a translucent shield. Background is a vibrant light blue and orange gradient with subtle purple neon glows. Smooth 3D surfaces, glassmorphism style, high-quality render, clean geometric shapes, SaaS aesthetic, sharp edges, centered composition.