class CustomHeader extends HTMLElement {
  connectedCallback() {
    this.attachShadow({ mode: 'open' });
    this.shadowRoot.innerHTML = `
      <style>
        :host {
          display: block;
        }
        
        .header {
          background-color: rgba(17, 24, 39, 0.9);
          backdrop-filter: blur(10px);
          border-bottom: 1px solid #374151;
          position: sticky;
          top: 0;
          z-index: 50;
        }
        
        .nav-container {
          max-width: 1280px;
          margin: 0 auto;
          padding: 0 1rem;
        }
        
        .nav {
          display: flex;
          justify-content: space-between;
          align-items: center;
          padding: 1rem 0;
        }
        
        .logo {
          font-size: 1.5rem;
          font-weight: 700;
          background: linear-gradient(to right, #10b981, #f97316);
          -webkit-background-clip: text;
          background-clip: text;
          color: transparent;
          text-decoration: none;
        }
        
        .nav-links {
          display: flex;
          gap: 2rem;
        }
        
        .nav-link {
          color: #d1d5db;
          text-decoration: none;
          font-weight: 500;
          transition: color 0.3s;
        }
        
        .nav-link:hover {
          color: #10b981;
        }
        
        .nav-button {
          background-color: #10b981;
          color: white;
          border: none;
          padding: 0.5rem 1.5rem;
          border-radius: 9999px;
          font-weight: 600;
          cursor: pointer;
          transition: background-color 0.3s;
        }
        
        .nav-button:hover {
          background-color: #059669;
        }
        
        .mobile-menu-button {
          display: none;
          background: none;
          border: none;
          color: #d1d5db;
          cursor: pointer;
        }
        
        @media (max-width: 768px) {
          .nav-links {
            display: none;
          }
          
          .mobile-menu-button {
            display: block;
          }
        }
        
        .feather {
          width: 20px;
          height: 20px;
        }
      </style>
      
      <header class="header">
        <div class="nav-container">
          <nav class="nav">
            <a href="#" class="logo">EcoGrove</a>
            
            <div class="nav-links">
              <a href="#" class="nav-link">Home</a>
              <a href="#" class="nav-link">Tours</a>
              <a href="#" class="nav-link">Destinations</a>
              <a href="#" class="nav-link">About</a>
              <a href="#" class="nav-link">Contact</a>
            </div>
            
            <button class="nav-button">Book Now</button>
            
            <button class="mobile-menu-button">
              <i data-feather="menu"></i>
            </button>
          </nav>
        </div>
      </header>
    `;
    
    // Initialize feather icons
    const script = document.createElement('script');
    script.src = "https://cdn.jsdelivr.net/npm/feather-icons/dist/feather.min.js";
    script.onload = () => {
      if (this.shadowRoot) {
        feather.replace();
      }
    };
    this.shadowRoot.appendChild(script);
  }
}

customElements.define('custom-header', CustomHeader);