Create a nail art concept inspired by the serene and subtle hues of blueberry milk. Imagine nails painted in a milky base with delicate swirls of soft, blueberry-toned blues, reflecting the calm and refreshing beauty of a berry-laden milkshake. Consider adding a hint of shimmer or gloss to mimic the way light gently dances on a liquid surface. Incorporate discrete accents, like white dots or delicate spirals, to symbolize the tiny bubbles found in a glass of frothy milk. Capture the essence of this drink's creamy yet vibrant character in an elegant and understated nail design.