Principles

Simplicity: One primary focus per view. Use tray/overlay for secondary actions (settings, copy link). Progressive disclosure; avoid crowding the main screen.
Fluidity: Smooth, purposeful transitions (view changes, modals). Reuse or morph elements for continuity. Avoid static jumps and redundant or decorative animation.
Delight: Polish and small surprises in high-impact moments (landing CTA, move confirmation, game end). Avoid sprinkling motion everywhere; follow a delight–impact curve.

Typography and brand

Instrument Serif for brand and headings (e.g. main "FediChess" title, section headings).
Body text: neutral sans for readability.
Reference .agents/skills/frontend-design/SKILL.md for typography, color, and motion details. FediChess design principles are the project design language.

Apply when changing UI, layout, or motion in the app.

Simplicity: One primary focus per view. Use tray/overlay for secondary actions (settings, copy link). Progressive disclosure; avoid crowding the main screen.
Fluidity: Smooth, purposeful transitions (view changes, modals). Reuse or morph elements for continuity. Avoid static jumps and redundant or decorative animation.
Delight: Polish and small surprises in high-impact moments (landing CTA, move confirmation, game end). Avoid sprinkling motion everywhere; follow a delight–impact curve.

Instrument Serif for brand and headings (e.g. main "FediChess" title, section headings).
Body text: neutral sans for readability.
Reference .agents/skills/frontend-design/SKILL.md for typography, color, and motion details. FediChess design principles are the project design language.