components/navbar.js

class CustomNavbar extends HTMLElement {
  connectedCallback() {
    this.attachShadow({ mode: 'open' });
    this.shadowRoot.innerHTML = `
      <style>
        nav {
          background: white;
          padding: 1rem 2rem;
          display: flex;
          justify-content: space-between;
          align-items: center;
          box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
          position: fixed;
          width: 100%;
          top: 0;
          z-index: 1000;
        }
        .logo {
          font-weight: 800;
          font-size: 1.5rem;
          background: linear-gradient(to right, #6366f1, #8b5cf6);
          -webkit-background-clip: text;
          background-clip: text;
          color: transparent;
        }
        .nav-links {
          display: flex;
          gap: 2rem;
          list-style: none;
          margin: 0;
          padding: 0;
        }
        .nav-links a {
          color: #4b5563;
          text-decoration: none;
          font-weight: 500;
          transition: color 0.2s;
        }
        .nav-links a:hover {
          color: #6366f1;
        }
        .nav-actions {
          display: flex;
          gap: 1rem;
          align-items: center;
        }
        .btn-outline {
          border: 1px solid #6366f1;
          color: #6366f1;
          padding: 0.5rem 1.25rem;
          border-radius: 0.5rem;
          transition: all 0.2s;
        }
        .btn-outline:hover {
          background: #6366f1;
          color: white;
        }
        .btn-solid {
          background: linear-gradient(to right, #6366f1, #8b5cf6);
          color: white;
          padding: 0.5rem 1.25rem;
          border-radius: 0.5rem;
          transition: all 0.2s;
        }
        .btn-solid:hover {
          opacity: 0.9;
        }
        .mobile-menu-btn {
          display: none;
          background: none;
          border: none;
          color: #4b5563;
          cursor: pointer;
        }
        #mobile-menu {
          display: none;
          position: absolute;
          top: 100%;
          left: 0;
          right: 0;
          background: white;
          padding: 1rem;
          box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }
        #mobile-menu.open {
          display: block;
        }
        @media (max-width: 768px) {
          .nav-links, .nav-actions {
            display: none;
          }
          .mobile-menu-btn {
            display: block;
          }
        }
      </style>
      <nav>
        <div>
          <a href="/" class="logo">EduSphere</a>
        </div>
        
        <ul class="nav-links">
          <li><a href="/">Home</a></li>
          <li><a href="/courses.html">Courses</a></li>
          <li><a href="/about.html">About</a></li>
          <li><a href="/contact.html">Contact</a></li>
        </ul>
        
        <div class="nav-actions">
          <a href="/login.html" class="btn-outline">Log In</a>
          <a href="/signup.html" class="btn-solid">Sign Up</a>
        </div>
        
        <button class="mobile-menu-btn" onclick="toggleMobileMenu()">
          <i data-feather="menu"></i>
        </button>
      </nav>
      
      <div id="mobile-menu" class="hidden">
        <div class="flex flex-col space-y-4 p-4">
          <a href="/" class="text-gray-700 hover:text-primary">Home</a>
          <a href="/courses.html" class="text-gray-700 hover:text-primary">Courses</a>
          <a href="/about.html" class="text-gray-700 hover:text-primary">About</a>
          <a href="/contact.html" class="text-gray-700 hover:text-primary">Contact</a>
          <div class="pt-4 border-t border-gray-200">
            <a href="/login.html" class="block text-center text-gray-700 hover:text-primary mb-3">Log In</a>
            <a href="/signup.html" class="block text-center bg-primary text-white py-2 rounded-lg hover:bg-opacity-90">Sign Up</a>
          </div>
        </div>
      </div>
    `;
    
    // Replace feather icons after shadow DOM is rendered
    setTimeout(() => {
      if (this.shadowRoot.querySelector('[data-feather]')) {
        feather.replace();
      }
    }, 100);
  }
}

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