A cheerful street food vendor with short messy teal hair and warm golden eyes, wearing a cozy oversized red sweater with white snowflakes, serving piping hot sweet rice cakes from a glowing brass cart in a bustling winter night market, white breath vapor in cold air, cel-shaded with bold black outlines, dramatic street lamp lighting casting warm amber pools, colorful paper lanterns glowing vibrantly, delicate frost crystals on vendor's window, cool navy blue and burgundy winter night palette, steam rising from food, soft bokeh of distant market lights, friendly inviting mood, seasonal winter concept art