Create a hyper-realistic image of a coupe glass with a thin stem and a broad, shallow bowl. The glass should be placed against a gradient background transitioning from dark black at the bottom to a soft, muted blue and white towards the top. Ensure the glass catches light, creating a bright sparkle at its rim for added elegance. Emphasize the transparency, reflections, and refractive qualities of the glass, with a sleek and minimalistic design. The focus should be on the glass with a polished and luxurious aesthetic