components/Header.js

import Link from 'next/link'

export default function Header() {
  return (
    <header className="bg-white shadow-sm border-b border-gray-200">
      <div className="container mx-auto px-4 py-4 max-w-4xl">
        <div className="flex items-center justify-between">
          <div className="flex items-center space-x-3">
            <div className="w-8 h-8 bg-primary-500 rounded-lg flex items-center justify-center">
              <svg
                className="w-5 h-5 text-white"
                fill="none"
                stroke="currentColor"
                viewBox="0 0 24 24"
                xmlns="http://www.w3.org/2000/svg"
              >
                <path
                  strokeLinecap="round"
                  strokeLinejoin="round"
                  strokeWidth={2}
                  d="M8 12h.01M12 12h.01M16 12h.01M21 12c0 4.418-4.03 8-9 8a9.863 9.863 0 01-4.255-.949L3 20l1.395-3.72C3.512 15.042 3 13.574 3 12c0-4.418 4.03-8 9-8s9 3.582 9 8z"
                />
              </svg>
            </div>
            <h1 className="text-xl font-semibold text-gray-900">ChatBot</h1>
          </div>
          
          <div className="text-sm">
            <span className="text-gray-600">Built with </span>
            <Link
              href="https://huggingface.co/spaces/akhaliq/anycoder"
              target="_blank"
              rel="noopener noreferrer"
              className="text-primary-600 hover:text-primary-700 font-medium transition-colors"
            >
              anycoder
            </Link>
          </div>
        </div>
      </div>
    </header>
  )
}