components/header.js

class HeaderCinema extends HTMLElement {
  connectedCallback() {
    this.attachShadow({ mode: 'open' });
    this.shadowRoot.innerHTML = `
      <style>
        :host {
          display: block;
        }
        
        * {
          margin: 0;
          padding: 0;
          box-sizing: border-box;
        }
        
        header {
          position: fixed;
          top: 0;
          left: 0;
          width: 100%;
          z-index: 1000;
          padding: 1.5rem 0;
          transition: all 0.3s ease;
          background: transparent;
        }
        
        .container {
          max-width: 1200px;
          margin: 0 auto;
          padding: 0 2rem;
          display: flex;
          justify-content: space-between;
          align-items: center;
        }
        
        .logo {
          display: flex;
          align-items: center;
          text-decoration: none;
        }
        
        .logo-icon {
          color: #F59E0B;
          margin-right: 0.75rem;
        }
        
        .logo-text {
          font-size: 1.75rem;
          font-weight: 800;
          background: linear-gradient(to right, #F59E0B, #FBBF24);
          -webkit-background-clip: text;
          -webkit-text-fill-color: transparent;
        }
        
        nav ul {
          display: flex;
          list-style: none;
        }
        
        nav li {
          margin-left: 2rem;
        }
        
        nav a {
          color: #F9FAFB;
          text-decoration: none;
          font-weight: 600;
          font-size: 1.1rem;
          transition: color 0.3s ease;
          position: relative;
        }
        
        nav a:hover {
          color: #F59E0B;
        }
        
        nav a::after {
          content: '';
          position: absolute;
          bottom: -5px;
          left: 0;
          width: 0;
          height: 2px;
          background: #F59E0B;
          transition: width 0.3s ease;
        }
        
        nav a:hover::after {
          width: 100%;
        }
        
        .auth-buttons {
          display: flex;
          gap: 1rem;
        }
        
        .btn {
          padding: 0.75rem 1.5rem;
          border-radius: 0.5rem;
          font-weight: 600;
          transition: all 0.3s ease;
          cursor: pointer;
          border: none;
          font-size: 1rem;
        }
        
        .btn-login {
          background: transparent;
          color: #F9FAFB;
          border: 2px solid #F59E0B;
        }
        
        .btn-login:hover {
          background: #F59E0B;
          color: #111827;
        }
        
        .btn-signup {
          background: #F59E0B;
          color: #111827;
        }
        
        .btn-signup:hover {
          background: #D97706;
          transform: translateY(-2px);
          box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
        }
        
        .mobile-menu-btn {
          display: none;
          background: none;
          border: none;
          color: #F9FAFB;
          font-size: 1.5rem;
          cursor: pointer;
        }
        
        @media (max-width: 768px) {
          .nav-links {
            display: none;
          }
          
          .auth-buttons {
            display: none;
          }
          
          .mobile-menu-btn {
            display: block;
          }
        }
      </style>
      
      <header>
        <div class="container">
          <a href="/" class="logo">
            <i data-feather="film" class="logo-icon w-8 h-8"></i>
            <span class="logo-text">CineLux</span>
          </a>
          
          <nav class="nav-links">
            <ul>
              <li><a href="/">Home</a></li>
              <li><a href="#movies">Movies</a></li>
              <li><a href="#membership">Membership</a></li>
              <li><a href="#">Events</a></li>
              <li><a href="#">About</a></li>
            </ul>
          </nav>
          
          <div class="auth-buttons">
            <button class="btn btn-login">Login</button>
            <button class="btn btn-signup">Sign Up</button>
          </div>
          
          <button class="mobile-menu-btn">
            <i data-feather="menu"></i>
          </button>
        </div>
      </header>
    `;
    
    // Initialize feather icons
    import('https://cdn.jsdelivr.net/npm/feather-icons/dist/feather.min.js').then(() => {
      setTimeout(() => {
        feather.replace();
      }, 100);
    });
  }
}

customElements.define('header-cinema', HeaderCinema);