A serene, minimalist composition featuring a glass of milk against a gradient blue backdrop with a grid pattern. The interplay of light and shadow creates a clean and modern aesthetic.

Create a digital art piece showcasing a clear glass filled with milk, standing on a grid patterned surface. The background should be a gradient of deep blue hues, creating a sense of depth and tranquility. Illuminate the scene with soft, diffused lighting, casting a subtle shadow of the glass. The focus is on the simplicity of the subject and the clean lines of the grid, enhanced by a slight grain effect. High resolution, minimalist style.