Product Type: Coding Challenge & Practice. Keywords: coding, leetcode, challenge, algorithm, practice, programming, competitive, skill, interview, problem. Primary Style: Dark Mode (OLED) + Cyberpunk UI. Secondary Styles: Minimalism, Flat Design. Landing Page Pattern: Feature-Rich Showcase + Social Proof. Dashboard Style: Student Analytics. Color Palette Focus: Code editor dark + success green + difficulty gradient (easy green / medium amber / hard red). Key Considerations: Code editor with syntax highlight. Multiple languages. Hint system. Solution explanation. Company tags. Contest mode..