SOTA Frontend Design

Purpose

Make every interface this agent builds — and every interface it reviews — meet 2026 state-of-the-art for visual craft, UX, accessibility, motion, and CSS architecture. The skill has two operating modes (BUILD and AUDIT) backed by seven rules files. WCAG 2.2 AA is the hard floor in both modes; distinctive, intentional design (not template/AI-generic output) is the quality bar. Rules are written for an expert reader: imperative, numeric, with good/bad pairs.

BUILD mode

When creating or modifying UI (components, pages, styles, animations):