Restore teal accent, flatten sidebar background, drop body letter-spacing

[dcrawbuck]

Three theme changes in src/styles/app.css: the primary/ring accent tokens move from orange back to teal, the sidebar background now matches the page canvas, and the -0.01em body letter-spacing is removed so body text uses Manrope's natural tracking (heading tracking is unchanged).

The sidebar aside paints bg-fd-card, which sat a depth tier above the canvas and read as a differently-colored panel, so --color-fd-card is pinned to the background inside #nd-sidebar — scoped there so cards and popovers elsewhere are unaffected, and the hairline border alone separates nav from content.

Dark mode uses teal-300, but light mode uses teal-400 for both accent text and the focus ring: --color-fd-ring is the sole focus-visible:ring-2 indicator across the app, and teal's bright step is a light cyan that measures only 1.76:1 on the white canvas, under the 3:1 minimum for a non-text indicator, where teal-400 measures 6.75:1.

Verified with bun run build:cf and bun test (64 pass, 0 fail).

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Note

Low Risk
CSS-only visual and token changes with no logic, auth, or data impact; main risk is contrast or focus-ring visibility regressions in light mode.

Overview
Docs theme in app.css moves the Fumadocs primary / ring accent from orange back to teal (links, active nav/TOC, prose links, focus rings, Ask AI shimmer comments). Light mode uses teal-400 for both accent text and the focus ring so rings meet 3:1 on the white canvas; dark mode and prefers-color-scheme fallbacks use teal-300.

The sidebar no longer reads as a separate panel: inside #nd-sidebar, --color-fd-card is pinned to --color-fd-background so nav shares the page canvas and only the hairline border separates it.

Body text drops the global letter-spacing: -0.01em so Manrope uses its natural tracking; heading tracking is unchanged.

^{Reviewed by Cursor Bugbot for commit 5c8e6b1. Bugbot is set up for automated code reviews on this repo. Configure here.}

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	superwall-docs	5c8e6b1	Commit Preview URL Branch Preview URL	Aug 19 2026, 05:48 PM