reate a modern, minimalistic blue heart logo on a...

Create a modern, minimalistic blue heart logo on a solid white background (or solid black background), with smooth rounded edges and a subtle gradient from deep royal blue (#1E3A8A) to bright sky blue (#60A5FA). The heart should be symmetrical, with gentle inner curves for a friendly and clean look. Use a flat style with slight depth but no heavy shadows or textures. The design must be crisp and pixel-perfect, optimized for small sizes (64x64 to 512x512 px). The background must be a single solid