class CustomNavbar extends HTMLElement {
  connectedCallback() {
    this.attachShadow({ mode: 'open' });
    this.shadowRoot.innerHTML = `
      <style>
        :host {
          display: block;
          position: fixed;
          top: 0;
          left: 0;
          right: 0;
          z-index: 1000;
        }
        
        .nav-glass {
          background: rgba(17, 24, 39, 0.9);
          backdrop-filter: blur(16px);
          -webkit-backdrop-filter: blur(16px);
          border-bottom: 1px solid rgba(249, 115, 22, 0.2);
          box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }
        
        .container {
          width: 100%;
          max-width: 1200px;
          margin: 0 auto;
          padding: 0 1rem;
        }
        
        a {
          transition: all 0.2s ease;
          position: relative;
        }
        
        a:hover {
          color: white;
        }
        
        a::after {
          content: '';
          position: absolute;
          bottom: 0;
          left: 50%;
          transform: translateX(-50%);
          width: 0;
          height: 2px;
          background: var(--primary);
          transition: width 0.3s ease;
        }
        
        a:hover::after {
          width: 100%;
        }
        
        .active {
          color: white;
          font-weight: 600;
        }
        
        .active::after {
          width: 100%;
        }
        
        .mobile-menu {
          transition: all 0.3s ease;
          max-height: 0;
          overflow: hidden;
        }
        
        .mobile-menu.open {
          max-height: 500px;
        }
        
        @media (max-width: 767px) {
          .desktop-nav {
            display: none;
          }
          
          .mobile-menu-button {
            display: block;
          }
        }
        
        @media (min-width: 768px) {
          .mobile-menu-button {
            display: none;
          }
        }
      </style>
<nav class="fixed w-full nav-glass z-50">
        <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
          <div class="flex items-center justify-between h-16">
            <div class="flex items-center">
              <div class="flex-shrink-0 flex items-center">
                <i data-feather="code" class="text-amber-500"></i>
                <span class="ml-2 text-xl font-bold text-orange-500">Spadak Code Learn</span>
              </div>
              <div class="hidden md:block">
                <div class="ml-10 flex items-baseline space-x-4">
                  <a href="index.html" class="text-gray-300 hover:bg-gray-700 hover:text-white px-3 py-2 rounded-md text-sm font-medium">خانه | Home</a>
                  <a href="courses.html" class="text-gray-300 hover:bg-gray-700 hover:text-white px-3 py-2 rounded-md text-sm font-medium">دوره‌ها | Courses</a>
                  <a href="tutorials.html" class="text-gray-300 hover:bg-gray-700 hover:text-white px-3 py-2 rounded-md text-sm font-medium">آموزش‌ها | Tutorials</a>
                  <a href="resources.html" class="text-gray-300 hover:bg-gray-700 hover:text-white px-3 py-2 rounded-md text-sm font-medium">منابع | Resources</a>
                  <a href="community.html" class="text-gray-300 hover:bg-gray-700 hover:text-white px-3 py-2 rounded-md text-sm font-medium">جامعه | Community</a>
                </div>
              </div>
            </div>
            <div class="hidden md:block">
              <div class="ml-4 flex items-center md:ml-6">
                <button type="button" class="bg-gray-800 p-1 rounded-full text-gray-400 hover:text-white focus:outline-none">
                  <i data-feather="search"></i>
                </button>
                <a href="signin.html" class="ml-4 bg-orange-500 hover:bg-orange-600 text-white px-4 py-2 rounded-md text-sm font-medium transition-colors duration-200">
                  ورود | Sign In
                </a>
</div>
            </div>
            <div class="-mr-2 flex md:hidden">
              <button type="button" class="bg-gray-800 inline-flex items-center justify-center p-2 rounded-md text-gray-400 hover:text-white hover:bg-gray-700 focus:outline-none">
                <i data-feather="menu"></i>
              </button>
            </div>
          </div>
        </div>
      </nav>
    `;
    feather.replace();
  }
}
customElements.define('custom-navbar', CustomNavbar);