class CustomNavbar extends HTMLElement {
  connectedCallback() {
    this.attachShadow({ mode: 'open' });
    this.shadowRoot.innerHTML = `
      <style>
        nav {
          background: rgba(31, 41, 55, 0.8);
          backdrop-filter: blur(10px);
          border-bottom: 1px solid rgba(75, 85, 99, 0.5);
          padding: 1rem;
          position: sticky;
          top: 0;
          z-index: 40;
        }
        .nav-container {
          max-width: 1200px;
          margin: 0 auto;
          display: flex;
          justify-content: space-between;
          align-items: center;
        }
        .logo {
          display: flex;
          align-items: center;
          gap: 0.75rem;
          font-weight: 700;
          font-size: 1.25rem;
          color: #fff;
          text-decoration: none;
        }
        .logo i {
          color: #60a5fa;
        }
        .nav-links {
          display: flex;
          gap: 1.5rem;
        }
        .nav-link {
          color: #9ca3af;
          text-decoration: none;
          font-weight: 500;
          transition: color 0.2s;
          display: flex;
          align-items: center;
          gap: 0.5rem;
        }
        .nav-link:hover {
          color: #fff;
        }
        .nav-link.active {
          color: #60a5fa;
        }
        .nav-link.active i {
          color: #60a5fa;
        }
@media (max-width: 768px) {
          .nav-container {
            flex-direction: column;
            gap: 1rem;
          }
          .nav-links {
            flex-wrap: wrap;
            justify-content: center;
          }
        }
      </style>
      <nav>
        <div class="nav-container">
          <a href="/" class="logo">
            <i data-feather="radio"></i>
            <span>ComSync Pro</span>
          </a>
          <div class="nav-links">
            <a href="/" class="nav-link active">
              <i data-feather="map"></i>
              <span>Dashboard</span>
            </a>
            <a href="/chat.html" class="nav-link">
              <i data-feather="message-circle"></i>
              <span>AI Assistant</span>
            </a>
          </div>
</div>
      </nav>
    `;
    
    // Load Feather icons
    const script = document.createElement('script');
    script.src = "https://cdn.jsdelivr.net/npm/feather-icons/dist/feather.min.js";
    script.onload = () => {
      setTimeout(() => {
        if (this.shadowRoot) {
          window.feather.replace();
        }
      }, 100);
    };
    this.shadowRoot.appendChild(script);
  }
}

customElements.define('custom-navbar', CustomNavbar);