If you've ever tried to build a clean one-time-password field, you know the pain: inconsistent focus states, clunky number inputs, and six separate fields that feel like overkill. In this guide, I walk through a smarter pattern - one invisible input layered behind six visual slots - powered by Alpine.js and Tailwind CSS.
You'll see how the state works, how to sanitize input, how to animate the focus ring, and how to support mobile SMS autofill. And yes, the full copy-and-paste snippet is included so you can drop it into your project immediately.
Read the full article and grab the complete code example here
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