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No.60 · Controls

Lever Switch

A toggle built like a mechanical lever: the arm swings on a brass pivot, overshoots into its detent, and lights a lamp.

The prompt

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

Design a settings toggle that feels like a piece of equipment. A 68×40px recessed plum housing with a hairline border and inner shadow holds a slim black slot with a small detent tick at each end. A metal arm (3px, brushed-steel gradient, round chrome knob at its tip) is pinned to a brass pivot at the left end of the slot. Off: the arm points up-left at −38°. On: it swings to horizontal (0°) along the slot. The swing takes 420ms with an overshooting curve (cubic-bezier(0.34,1.7,0.5,1)) so the arm snaps past its stop and settles into the detent like a real switch. A tiny indicator lamp in the housing's top-right corner is dim when off and glows frost blue when on, and the housing border warms to frost. Use a real <button role="switch"> with aria-checked, tied to a visible <label> and optional description; disabled state dims to 45% with a not-allowed cursor. Reduced motion makes the swing instant.

Notes

Interaction
Click, tap, Space or Enter toggles. Clicking the label also toggles.
Motion
Arm swing 420ms with overshoot; lamp fade 300ms; border 300ms.
Accessibility
role=switch with aria-checked, label association via htmlFor, description via aria-describedby, visible focus ring, disabled state.
Responsive
Fixed-size control, fluid text beside it.

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