Single Lit Birthday Cupcake with Colorful Sprinkles and Blurred Background

Rendered cupcake with vanilla frosting base layer topped with cream-colored swirl finish. Single spiral-striped candle (pink/white) positioned upright in frosting center, flame ignited at tip. Multicolored spherical sprinkles distributed across frosting surface: red, yellow, blue, pink tones. Standard pleated paper wrapper visible in turquoise/gold gradient. Foreground scattered sprinkles on turquoise surface. Background employs bokeh effect with circular light spots in pink, yellow, green, and neutral tones creating soft depth separation. Image demonstrates controlled depth-of-field photography or 3D rendering with shallow focal plane.