ERT UI Refactor Skill

This skill guides the refactoring of Obsidian plugin settings and modals to the Radial Timeline (ERT) UI system.

Core Principles

1. Theme-First: Respect Obsidian theme variables for surfaces, borders, and typography.
2. Scoped: All custom styles MUST be under .ert-ui. Skins (e.g., .ert-skin--social) are nested under .ert-ui.
3. Tokens: Use --ert-* tokens for spacing and rhythm. Avoid literal pixels.
4. Archetypes: Use reusable layout patterns (ert-panel, ert-row, ert-stack). Do not use ad-hoc wrappers.
5. Additive: Add accents (glows, borders) rather than replacing theme surfaces.
6. Preservation: Do NOT delete legacy rt- styles or files until the entire refactor is verified and complete. Keep them in reserve.

Refactoring Checklist

For each file (SettingsTab or Modal):