class CustomNavbar extends HTMLElement {
  connectedCallback() {
    this.attachShadow({ mode: 'open' });
    this.shadowRoot.innerHTML = `
      <style>
        nav {
          background: linear-gradient(135deg, #111827 0%, #1f2937 100%);
          padding: 1rem 2rem;
          display: flex;
          justify-content: space-between;
          align-items: center;
          border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .logo {
          color: white;
          font-weight: bold;
          font-size: 1.5rem;
          background: linear-gradient(90deg, #8b5cf6 0%, #6366f1 100%);
          -webkit-background-clip: text;
          -webkit-text-fill-color: transparent;
          display: flex;
          align-items: center;
          gap: 0.5rem;
        }
        .nav-links {
          display: flex;
          gap: 1.5rem;
          list-style: none;
          margin: 0;
          padding: 0;
        }
        .nav-link {
          color: rgba(255, 255, 255, 0.8);
          text-decoration: none;
          transition: all 0.3s ease;
          font-weight: 500;
          display: flex;
          align-items: center;
          gap: 0.5rem;
          padding: 0.5rem 1rem;
          border-radius: 0.375rem;
        }
        .nav-link:hover {
          color: white;
          background: rgba(255, 255, 255, 0.1);
        }
        .nav-link.active {
          color: white;
          background: rgba(99, 102, 241, 0.2);
        }
        .nav-link i {
          width: 18px;
          height: 18px;
        }
        @media (max-width: 768px) {
          nav {
            flex-direction: column;
            padding: 1rem;
          }
          .nav-links {
            margin-top: 1rem;
            width: 100%;
            justify-content: space-around;
          }
          .nav-link {
            padding: 0.5rem;
            font-size: 0.875rem;
          }
        }
      </style>
      <nav>
        <a href="/" class="logo">
          <i data-feather="book-open"></i>
          DoclingRag
        </a>
        <ul class="nav-links">
          <li><a href="/" class="nav-link active"><i data-feather="home"></i> Home</a></li>
          <li><a href="/configure.html" class="nav-link"><i data-feather="settings"></i> Configure</a></li>
          <li><a href="/vector.html" class="nav-link"><i data-feather="database"></i> Vector Store</a></li>
          <li><a href="/analytics.html" class="nav-link"><i data-feather="bar-chart-2"></i> Analytics</a></li>
          <li><a href="/settings.html" class="nav-link"><i data-feather="user"></i> Account</a></li>
        </ul>
      </nav>
    `;
  }
}
customElements.define('custom-navbar', CustomNavbar);