| [ |
| { |
| "id": 1, |
| "level": 1, |
| "name": "L1: Tractable", |
| "description": "Problems that may be within reach with current techniques. Reserved for future additions.", |
| "color_class": "text-green-600 bg-green-50 border-green-200" |
| }, |
| { |
| "id": 2, |
| "level": 2, |
| "name": "L2: Intermediate", |
| "description": "Challenging problems requiring solid mathematical background. Reserved for future additions.", |
| "color_class": "text-blue-600 bg-blue-50 border-blue-200" |
| }, |
| { |
| "id": 3, |
| "level": 3, |
| "name": "L3: Advanced", |
| "description": "Difficult problems requiring specialized knowledge and sophisticated techniques.", |
| "color_class": "text-yellow-600 bg-yellow-50 border-yellow-200" |
| }, |
| { |
| "id": 4, |
| "level": 4, |
| "name": "L4: Expert", |
| "description": "Very challenging problems at the frontier of mathematical research.", |
| "color_class": "text-red-600 bg-red-50 border-red-200" |
| }, |
| { |
| "id": 5, |
| "level": 5, |
| "name": "L5: Millennium Prize", |
| "description": "Millennium Prize Problems and problems of equivalent difficulty.", |
| "color_class": "text-purple-600 bg-purple-50 border-purple-200" |
| } |
| ] |
