components/Header.js

export default function Header() {
  return (
    <header className="bg-white border-b border-slate-200 sticky top-0 z-50">
      <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 h-16 flex items-center justify-between">
        <div className="flex items-center gap-2">
          <div className="w-8 h-8 bg-brand-600 rounded-lg flex items-center justify-center text-white font-bold">
            MP
          </div>
          <h1 className="text-xl font-bold text-slate-900">E-Commerce Media Planner</h1>
        </div>
        <div className="flex items-center gap-4">
          <a 
            href="https://huggingface.co/spaces/akhaliq/anycoder" 
            target="_blank" 
            rel="noopener noreferrer"
            className="text-sm font-medium text-slate-600 hover:text-brand-600 transition-colors"
          >
            Built with anycoder
          </a>
        </div>
      </div>
    </header>
  );
}