class CustomNavbar extends HTMLElement {
  connectedCallback() {
    this.attachShadow({ mode: 'open' });
    this.shadowRoot.innerHTML = `
      <style>
        nav {
          background: rgba(15, 23, 42, 0.8);
          backdrop-filter: blur(20px);
          border-bottom: 1px solid rgba(255, 255, 255, 0.1);
          padding: 1rem 2rem;
          display: flex;
          justify-content: space-between;
          align-items: center;
          position: relative;
          z-index: 50;
        }
        .logo {
          background: linear-gradient(135deg, #00ffff, #a855f7);
          -webkit-background-clip: text;
          -webkit-text-fill-color: transparent;
          font-weight: 700;
          font-size: 1.5rem;
        }
        ul {
          display: flex;
          gap: 2rem;
          list-style: none;
          margin: 0;
          padding: 0;
          align-items: center;
        }
        a {
          color: white;
          text-decoration: none;
          padding: 0.5rem 1rem;
          border-radius: 12px;
          transition: all 0.3s ease;
          position: relative;
          overflow: hidden;
        }
        a::before {
          content: '';
          position: absolute;
          top: 0;
          left: -100%;
          width: 100%;
          height: 100%;
          background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.2), transparent);
          transition: left 0.5s;
        }
        a:hover::before {
          left: 100%;
        }
        a:hover {
          background: rgba(0, 255, 255, 0.1);
          transform: translateY(-2px);
        }
        .nav-icon {
          width: 20px;
          height: 20px;
        }
        @media (max-width: 768px) {
          nav {
            padding: 1rem;
          }
          ul {
            gap: 1rem;
          }
          a {
            padding: 0.5rem;
            font-size: 0.875rem;
          }
        }
      </style>
      <nav>
        <div class="logo">LiquidGlassViz</div>
        <ul>
          <li><a href="/" class="flex items-center gap-2"><i data-feather="home" class="nav-icon"></i> Home</a></li>
          <li><a href="/gallery.html" class="flex items-center gap-2"><i data-feather="image"></i> Gallery</a></li>
          <li><a href="/about.html" class="flex items-center gap-2"><i data-feather="info"></i> About</a></li>
        </ul>
      </nav>
    `;
  }
}
customElements.define('custom-navbar', CustomNavbar);