Unity UI Toolkit Design System

Skill by ara.so — Design Skills collection.

A drop-in design system for Unity 6 UI Toolkit (UIDocument + UXML + USS) providing tokens, 24+ components, 63 icons, mobile responsiveness, and runtime helpers. Battle-tested in production cross-platform games.

What It Provides

• Token-based theming: Dark theme by default with var(--color-*) cascade, light theme override available
• 24 ready components: Buttons, inputs, tabs, toggles, modals, toasts, badges, navigation, progress indicators, etc.
• 63 SVG icons: Auto-tinting via -unity-background-image-tint-color for state changes
• Mobile responsiveness: Single .mobile class flips all spacing and touch targets
• Runtime helper: Auto-attaches to UIDocuments, handles toggle knobs, spinner rotation, skeleton shimmer
• Themed scrollbars: 8px slim scrollbar that auto-themes with palette

Installation

Requirements