Measured entry

8bitcn-advanced3

auth-formskeuomorphism

A retro newsletter signup card with a badge, email field, call to action, and reassurance copy. It ships as a shadcn registry block with a retro stylesheet and custom wrappers around shadcn primitives. It relies on the cn utility, Tailwind theme classes, class-variance-authority, Radix, and a Google-hosted pixel font.

Specimen
Harness screenshot of 8bitcn-advanced3 at 375 pixels wide
Harness screenshot at 375 pixels wide. No horizontal overflow recorded.
Harness screenshot of 8bitcn-advanced3 at 768 pixels wide
Harness screenshot at 768 pixels wide. No horizontal overflow recorded.
Harness screenshot of 8bitcn-advanced3 at 1440 pixels wide
Harness screenshot at 1440 pixels wide. No horizontal overflow recorded.

Measured

Every value below was written by the harness on the run that produced the frames above. None of it is derived from the prose.

Harness measurements recorded for 8bitcn-advanced3
BuildOK
MountOK
Console errors0
Uncaught page errors0
Horizontal overflowclean at 375, 768, 1440
Axe critical0
Axe serious0
Axe moderate0
Axe minor0
Gzip marginal33.3 KB (98.7 KB build, 65.4 KB baseline)
Bare modeFAIL
Provider requiredNO
Demo usedwritten from the component source API

What the harness recorded

BARE BUILD

✗ Build failed in 1.32s
error during build:
[vite]: Rollup failed to resolve import "class-variance-authority" from "<sandbox>re-cad82cab3519/src/components/ui/8bit/badge.tsx".

Verdict

The supplied registry install does not build because its retro Input wrapper imports a base shadcn Input file that is not present. It needs a shadcn-style setup before use. Avoid it for drop-in delivery; consider it only if you will supply and verify the expected primitives.

Use it if

  • You already use shadcn conventions and want a pixel-art newsletter card.
  • You are prepared to connect the email field and button to your own subscription flow.
  • Your design system can accommodate the bundled retro font and squared decorative borders.

Skip it if

  • You need a registry block that builds in a project without preinstalled shadcn primitives.
  • You need a complete signup form with submission, validation, loading, and success states.
  • Your product cannot load a font from Google or does not suit a pixel-art visual style.

Install

Installation record for 8bitcn-advanced3
Declared dependenciesradix-ui, clsx, tailwind-merge
Missing on installnone
Bare installfails once the shadcn-style helpers are removed, so it needs that setup
Providerno provider required in the harness

Add the cn utility, Tailwind theme tokens, shadcn Badge, Button, Card, and Input primitives, class-variance-authority and Radix support. Preserve the configured path aliases, include the retro stylesheet, allow or replace the hosted font, and wire the form to a real submit handler.

Source and credit

This page is a review, not a copy. The component source lives with its author and this site does not republish it. Read the license before you use anything.

License
MIT
Record published
2026-08-15

Alternatives

Other published entries for the auth-form pattern, ordered by what they measured: mounts first, then clean axe scans, then bare-mode passes, then the smaller bundle.