Move inline <style> blocks from simple.html and integrations.html into
external CSS files (wizard.css, integrations.css), replacing all
hard-coded pixel values with design tokens from tokens.css. Remove
inline style attributes in favor of CSS classes. All 5 dashboard pages
now share one design system via Radix dark tokens (§8e).
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
