[coolguyzone]

DESCRIBE YOUR PR

Fixes every weighted accessibility failure flagged by a Chrome mobile Lighthouse run against docs.sentry.io. Verified with Lighthouse 13 against a local dev server: mobile accessibility 81 → 100, desktop also 100, with no weighted failures left in either.

To verify: run mobile lighthouse scan on https://sentry-docs-git-coolguyzone-fixlighthouse-a11y.sentry.dev/

Noticeable UI changes:

1. Homepage inline links are now underlined — the most noticeable change.

2. The "or" divider pill is a deeper purple — #8d84d0 → #6a5fc1. Subtle but visible side by side.

3. The header "or" separator is darker and warmer — light purple-gray #bbadc6 → --gray-11. Desktop only (hidden md:inline).

Details:

• Platform filter (src/components/platformFilter/) — the Radix Collapsible.Trigger was rendering aria-expanded onto a plain <div>, and each card wrapped its chevron in an empty <button> with no accessible name (14 of each on the homepage). The trigger is now a real <button type="button"> whose accessible name is the platform title, and the chevron is a <span>. Clears aria-allowed-attr and button-name. This fixes genuinely broken keyboard and screen-reader behavior on the platform list, not just the score.
• Theme toggle — added aria-label="Toggle theme". The Radix tooltip supplies aria-describedby, not an accessible name.
• Homepage "or" divider — color-mix(…, transparent 25%) rendered #8d84d0 on #f6f5fb, a contrast ratio of 3.05:1. Now var(--accent-purple) at 4.82:1.
• Homepage inline links (.seeAllLink) — these sit inline in body copy with text-decoration: none and only 1.16:1 contrast against the surrounding text, so color alone distinguished them. Now always underlined.
• Search bar "or" separator — var(--desatPurple10) on white is 2.08:1. Now var(--gray-11). This element is hidden md:inline, so it affects desktop only.

Worth flagging for reviewers: the desatPurple0–15 scale in app/globals.css is not overridden in .dark, so no fixed step on it clears 4.5:1 in both themes (step 6 is 5.24 light / 3.39 dark; step 8 is 3.48 light / 5.12 dark). That's why the search separator moved to the theme-aware Radix --gray-11 rather than a darker purple.

Two things reviewers should eyeball in the preview, since Lighthouse only audits light mode: the two color changes are deliberate visual deltas (the search separator goes from muted purple to warm gray), and dark mode is unverified.

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Thanks in advance for your help!

PRE-MERGE CHECKLIST

Make sure you've checked the following before merging your changes:

• Checked Vercel preview for correctness, including links
• PR was reviewed and approved by any necessary SMEs (subject matter experts)
• PR was reviewed and approved by a member of the Sentry docs team

EXTRA RESOURCES

• Sentry Docs contributor guide

🤖 Generated with Claude Code

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Project	Deployment	Actions	Updated
develop-docs	Ready	Preview	Oct 27, 2026 9:20pm UTC
sentry-docs	Ready	Preview	Oct 27, 2026 9:20pm UTC

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Checks were inconclusive · Rollout details

Status	Service	Environment
❔ Inconclusive so far	develop-docs	production
❔ Inconclusive so far	sentry-docs	production

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