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No.263 · Forms

Ribbon OTP

A one-time-code input as a single ribbon of cells: digits drop in, a light sweeps the ribbon on success, and it shakes on failure.

The prompt

The design brief behind this component — reuse it to regenerate, remix, or explain it.

Design a verification-code input that reads as one object rather than six boxes. A single 14px-rounded ribbon (near-black plum, hairline border, faint top highlight) is divided into equal cells by hairline dividers. Each cell is a real numeric <input> in a mono face at 1.5rem. Focus shows a frost underline and a faint frost wash on the active cell. Typing a digit fills the cell with a small drop-and-settle (240ms, overshoot) and advances focus; Backspace clears then moves back; arrow keys move; pasting a code fills all cells. When every cell is filled the code is submitted: on success a band of frost light sweeps across the whole ribbon (800ms) and the border turns frost; on failure the ribbon shakes, digits turn rose, and after 700ms it clears and refocuses the first cell. Use autocomplete="one-time-code" on the first cell, an accessible label per cell, and a polite live region for the result.

Notes

Interaction
Type or paste digits; Backspace/←/→ navigate; completion verifies automatically.
Motion
Digit drop 240ms; success sweep 800ms; failure shake 380ms.
Accessibility
A labelled group; each cell has 'Digit n of N' as its name; autocomplete one-time-code; result announced via aria-live. Reduced motion removes the drop, shake and sweep.
Responsive
Cells shrink below 26rem so six digits always fit.

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