Understand existing Unity UI Toolkit code, make targeted edits, generate new UXML/USS files, Manipulators, and handle UI runtime binding.

References

Read these as needed:

references/uss-guide.md — USS patterns and examples
references/svg-icons.md — SVG icon generation (only when generating icons)
references/common-issues.md — Common mistakes to avoid
references/ui-runtime-binding.md — Patterns and guide to bind data to UI at runtime (only when requested or when bindings are involved)
references/painter2d.md — Painter2D API for custom visuals: gradients, shapes, arcs, procedural drawing (read this whenever gradients, custom shapes, progress rings, procedural drawing, or any visual beyond what USS can express is needed)
references/pointermanipulator-guide.md — Patterns and guide to create and use Manipulators (only when requested or when manipulators are involved). This helps with setting up drag and drop features or simple event handling for a Visual Element.
references/custom-elements.md — Custom UI Element patterns and guide to create reusable components with UXML, USS, and C#. This helps with creating complex UI components for reuse across the project.

Paths are relative to this skill's folder — read references/uss-guide.md directly.

ui-uitk