Launch-countdown card with an amber icon, target date, and four ring-bordered time-unit tiles.
Requires shadcn/ui initialized. Run npx shadcn@latest init if you haven't.
import { Calendar12 } from "@/components/beste/piece/calendar12";
<Calendar12
label="Launch countdown"
targetDate="May 1, 2026 · 09:00 UTC"
days={8}
hours={11}
minutes={42}
seconds={7}
tone="neutral"
/>