class CustomNavbar extends HTMLElement {
  connectedCallback() {
    this.attachShadow({ mode: 'open' });
    this.shadowRoot.innerHTML = `
      <style>
        nav {
          background: white;
          padding: 1rem 2rem;
          box-shadow: 0 2px 4px rgba(0,0,0,0.05);
          position: sticky;
          top: 0;
          z-index: 50;
        }
        .container {
          max-width: 1200px;
          margin: 0 auto;
          display: flex;
          justify-content: space-between;
          align-items: center;
        }
        .logo {
          font-weight: 700;
          font-size: 1.5rem;
          color: #4F46E5;
          display: flex;
          align-items: center;
        }
        .logo-icon {
          margin-right: 0.5rem;
        }
        .nav-links {
          display: flex;
          gap: 1.5rem;
          align-items: center;
        }
        a {
          color: #4B5563;
          text-decoration: none;
          font-weight: 500;
          padding: 0.5rem 0;
          position: relative;
          transition: color 0.2s;
        }
        a:hover {
          color: #4F46E5;
        }
        a:hover::after {
          width: 100%;
        }
        a::after {
          content: '';
          position: absolute;
          bottom: 0;
          left: 0;
          width: 0;
          height: 2px;
          background: #4F46E5;
          transition: width 0.3s;
        }
        .mobile-menu-btn {
          display: none;
          background: none;
          border: none;
          color: #4B5563;
        }
        .active {
          color: #4F46E5;
        }
        @media (max-width: 768px) {
          .nav-links {
            display: none;
          }
          .mobile-menu-btn {
            display: block;
          }
          .logo {
            font-size: 1.25rem;
          }
        }
      </style>
      <nav>
        <div class="container">
            <a href="/" class="logo">
              <i data-feather="code" class="logo-icon"></i>
              CodeCare Connect
            </a>
            <div class="nav-links">
              <a href="/">Home</a>
              <a href="/kurse.html" class="active">Kurse</a>
              <a href="/grundlagen-kurs.html">Grundlagen</a>
              <a href="/about.html">Über uns</a>
              <a href="/kontakt.html">Kontakt</a>
<a href="/login.html" class="bg-primary hover:bg-primary-600 text-white px-4 py-2 rounded-lg font-medium transition">
              Login
            </a>
          </div>
          <button class="mobile-menu-btn">
            <i data-feather="menu"></i>
          </button>
        </div>
      </nav>
    `;
  }
}
customElements.define('custom-navbar', CustomNavbar);