postcast-tool/components/BackButton.js

'use client';
import { useRouter } from 'next/navigation';
import { ArrowLeft } from 'lucide-react';

export default function BackButton({ href, label = 'Назад' }) {
  const router = useRouter();
  function go() {
    if (href) router.push(href);
    else if (window.history.length > 1) router.back();
    else router.push('/');
  }
  return (
    <button onClick={go} className="btn-ghost flex items-center gap-1.5 text-sm text-gray-400 hover:text-gray-200 mb-4 -ml-1">
      <ArrowLeft className="w-4 h-4" />
      {label}
    </button>
  );
}