Character appearance reference (MUST match exactly):
- Апельсин: A vibrant, cheerful animated orange character with big expressive cartoon eyes, a wide friendly smile, detailed citrus skin texture, lively arms and legs, 3D Pixar style.
- Черный Виноград: A mysterious and slightly menacing villain character made of a cluster of glossy dark purple/black grapes, sharp cartoon eyes, a subtle mischievous grin, surrounded by a faint dark smoky aura, 3D Pixar style.
- Яблоко: A friendly red apple cartoon character, shiny skin, a small green leaf on top, big expressive eyes showing worry, 3D Pixar style.
- Груша: A light green pear cartoon character, classic pear shape, big expressive eyes showing concern and determination, 3D Pixar style.
