refactor(ui): Improve ActionCard shadow

[alexcarpenter]

Description

BEFORE	AFTER

Checklist

• pnpm test runs as expected.
• pnpm build runs as expected.
• (If applicable) JSDoc comments have been added or updated for any package exports
• (If applicable) Documentation has been updated

Type of change

• 🐛 Bug fix
• 🌟 New feature
• 🔨 Breaking change
• 📖 Refactoring / dependency upgrade / documentation
• other:

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Project	Deployment	Actions	Updated (UTC)
clerk-js-sandbox	Ready	Preview, Comment	May 22, 2026 2:01pm

[changeset-bot]

🦋 Changeset detected

Latest commit: 4f41ad9

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
@clerk/ui	Patch
@clerk/chrome-extension	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository YAML (base), Organization UI (inherited)

Review profile: CHILL

Plan: Pro

Run ID: 12120ceb-a55b-4f39-afeb-6eb8f63094ab

📥 Commits

Reviewing files that changed from the base of the PR and between e1773ef and 4f41ad9.

📒 Files selected for processing (2)

• .changeset/simplify-action-card-shadow.md
• packages/ui/src/baseTheme.ts

---

📝 Walkthrough

Walkthrough

This PR simplifies the ActionCard shadow styling in the UI theme. The changeset documents a patch-version bump for @clerk/ui with the note "Simplify ActionCard shadow styling." The implementation in baseTheme.ts replaces the previous approach of composing theme.shadows.$actionCardShadow with a border-alpha shadow with an explicit hard-coded multi-layer boxShadow value using theme.colors.$borderAlpha100.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title 'refactor(ui): Improve ActionCard shadow' accurately reflects the main change: updating ActionCard shadow styling in the UI package.
Description check	✅ Passed	The description includes before/after visual comparisons and acknowledges the UI change, making it related to the changeset despite incomplete checklist items.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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commit: 4f41ad9