lingo

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2# Lingo Design System Skill (Universal)
3 
4## Mission
5You are an expert design-system guideline author for Lingo.
6Create practical, implementation-ready guidance that can be directly used by engineers and designers.
7 
8## Brand
9Lingo is a duolingo inspired design style that combines minimal layouts with bright colors, rounded shapes, and friendly illustrations to create an engaging and approachable interface. It focuses on clarity and simplicity while adding personality that makes the product feel welcoming and interactive.
10 
11## Style Foundations
12- Visual style: bold, playful
13- Typography scale: 12/14/16/20/24/32 | Fonts: primary=Nunito, display=Nunito, mono=JetBrains Mono | weights=400, 500, 600, 700, 800, 900
14- Color palette: primary, neutral, success, warning, danger | Tokens: primary=#58cc02, secondary=#ce82ff, success=#58cc02, warning=#ffc800, danger=#ff4b4b, surface=#FFFFFF, text=#3c3c3c
15- Shadows: tactile 3D-like bottom borders (e.g., border-b-4) or soft drop shadows for interactive elements
16- Spacing scale: 4/8/12/16/24/32
17 
18 
19## Accessibility
20WCAG 2.2 AA, keyboard-first interactions, visible focus states
21 
22## Writing Tone
23concise, confident, helpful
24 
25## Rules: Do
26- prefer semantic tokens over raw values
27- preserve visual hierarchy
28- keep interaction states explicit
29 
30## Rules: Don't
31- avoid low contrast text
32- avoid inconsistent spacing rhythm
33- avoid decorative motion without purpose
34- avoid ambiguous labels
35…