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Component Lab / feedback-overlays / sonic-notification-badge

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Sonic notification badge

A tiny status primitive that makes an unread count feel alive through expanding sound rings. The count and meaning remain available in one accessible label, while reduced-motion mode keeps a crisp stationary badge.

Lab tested Responsive Dark mode
Version
1.0.0
Updated
2026-08-02
Dependencies
Zero
Preparing the interactive workbench…

Implementation field notes

Use sonic notification badge confidently.

The preview and source are only the starting point. Use these notes to decide where the component fits, preserve its accessibility contract, and verify the adapted result.

Good fit for

  • Inbox counts
  • Live alerts
  • Navigation badges

This badges pattern works best when its purpose is clear in the surrounding page hierarchy.

Accessibility contract

  • The accessible label includes both count and notification meaning.
  • Sound rings are decorative and hidden from assistive technology.
  • Reduced motion removes ring expansion.

Integration plan

  1. Copy the standalone HTML and scoped CSS into an isolated page.
  2. Adapt signal color, ring color, surface color, text color through the Inspector.
  3. Keep the semantic markup intact while replacing the sample content.
  4. Review the result at 375, 768, 1024, and 1440 pixels before shipping.

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