class CustomNavbar extends HTMLElement {
  connectedCallback() {
    this.attachShadow({ mode: 'open' });
    this.shadowRoot.innerHTML = `
      <style>
        nav {
          background: rgba(15, 23, 42, 0.8);
          backdrop-filter: blur(10px);
          padding: 1rem 2rem;
          display: flex;
          justify-content: space-between;
          align-items: center;
          position: fixed;
          top: 0;
          left: 0;
          right: 0;
          z-index: 1000;
          border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .logo { 
          color: white; 
          font-weight: bold; 
          font-size: 1.5rem;
          background: linear-gradient(45deg, #8b5cf6, #ec4899);
          background-clip: text;
          -webkit-background-clip: text;
          -webkit-text-fill-color: transparent;
        }
        ul { 
          display: flex; 
          gap: 2rem; 
          list-style: none; 
          margin: 0; 
          padding: 0; 
          align-items: center;
        }
        a { 
          color: white; 
          text-decoration: none; 
          transition: all 0.3s ease;
          display: flex;
          align-items: center;
          gap: 0.5rem;
        }
        a:hover { 
          color: #a78bfa;
          transform: translateY(-2px);
        }
        .nav-link {
          padding: 0.5rem 1rem;
          border-radius: 0.5rem;
          transition: all 0.3s ease;
        }
        .nav-link:hover {
          background: rgba(255, 255, 255, 0.1);
        }
        .mobile-menu-btn {
          display: none;
          background: none;
          border: none;
          color: white;
          cursor: pointer;
        }
        @media (max-width: 768px) {
          nav {
            padding: 1rem;
          }
          ul {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: rgba(15, 23, 42, 0.95);
            backdrop-filter: blur(20px);
            flex-direction: column;
            padding: 1rem;
            gap: 1rem;
          }
          ul.mobile-open {
            display: flex;
          }
          .mobile-menu-btn {
            display: block;
          }
        }
      </style>
      <nav>
        <div class="logo">Harmony Maestro</div>
        <button class="mobile-menu-btn">
          <i data-feather="menu"></i>
        </button>
        <ul>
          <li><a href="/" class="nav-link"><i data-feather="home"></i> Home</a></li>
          <li><a href="/generator.html" class="nav-link"><i data-feather="play"></i> Generator</a></li>
          <li><a href="/analytics.html" class="nav-link"><i data-feather="bar-chart-2"></i> Analytics</a></li>
          <li><a href="/projects.html" class="nav-link"><i data-feather="folder"></i> Projects</a></li>
          <li><a href="/features.html" class="nav-link"><i data-feather="info"></i> Features</a></li>
          <li><a href="/settings.html" class="nav-link"><i data-feather="settings"></i> Settings</a></li>
</ul>
      </nav>
    `;

    // Mobile menu functionality
    const menuBtn = this.shadowRoot.querySelector('.mobile-menu-btn');
    const menu = this.shadowRoot.querySelector('ul');
    
    menuBtn.addEventListener('click', () => {
      menu.classList.toggle('mobile-open');
      const icon = menuBtn.querySelector('i');
      if (menu.classList.contains('mobile-open')) {
      feather.replace();
      } else {
      feather.replace();
      }
    });
  }
}

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