Quantity stepper

import { useState } from "react";
import { AnimatePresence, motion } from "framer-motion";
import { Minus, Plus } from "lucide-react";

interface AnimatedQuantityProps {
  value?: number;
  defaultValue?: number;
  max?: number;
  onChange?: (value: number) => void;
}

export default function AnimatedQuantity({
  value,
  defaultValue = 2,
  max = 12,
  onChange,
}: AnimatedQuantityProps) {
  const [internal, setInternal] = useState(defaultValue);
  const n = value ?? internal;

  const set = (next: number) => {
    if (value === undefined) setInternal(next);
    onChange?.(next);
  };

  return (
    <div className="flex items-center gap-5 rounded-full bg-white p-2 text-[#1d1d1f] shadow-[0_1px_2px_rgba(0,0,0,0.03),0_8px_28px_rgba(0,0,0,0.05)] dark:bg-[#1c1c1e] dark:text-[#f5f5f7]">
      <button
        type="button"
        aria-label="Decrease"
        onClick={() => set(Math.max(0, n - 1))}
        className="grid h-9 w-9 place-items-center rounded-full bg-black/5 dark:bg-white/10"
      >
        <Minus className="h-4 w-4" />
      </button>
      <AnimatePresence mode="popLayout" initial={false}>
        <motion.strong
          key={n}
          initial={{ y: 12, opacity: 0 }}
          animate={{ y: 0, opacity: 1 }}
          exit={{ y: -12, opacity: 0 }}
          className="w-7 text-center"
        >
          {n}
        </motion.strong>
      </AnimatePresence>
      <button
        type="button"
        aria-label="Add"
        onClick={() => set(Math.min(max, n + 1))}
        className="grid h-9 w-9 place-items-center rounded-full bg-black/5 dark:bg-white/10"
      >
        <Plus className="h-4 w-4" />
      </button>
    </div>
  );
}