components/header.js

class CustomHeader extends HTMLElement {
  connectedCallback() {
    this.attachShadow({ mode: 'open' });
    this.shadowRoot.innerHTML = `
      <style>
        header {
          background: linear-gradient(90deg, rgba(31, 41, 55, 0.9), rgba(17, 24, 39, 0.9));
          backdrop-filter: blur(10px);
          padding: 1rem 2rem;
          box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .container {
          max-width: 1200px;
          margin: 0 auto;
          display: flex;
          justify-content: space-between;
          align-items: center;
        }
        
        .logo {
          font-size: 1.5rem;
          font-weight: 700;
          background: linear-gradient(45deg, #f97316, #eab308);
          -webkit-background-clip: text;
          background-clip: text;
          color: transparent;
          display: flex;
          align-items: center;
          gap: 0.5rem;
        }
        
        nav ul {
          display: flex;
          gap: 1.5rem;
          list-style: none;
        }
        
        nav a {
          color: #d1d5db;
          text-decoration: none;
          font-weight: 500;
          transition: color 0.2s;
          display: flex;
          align-items: center;
          gap: 0.25rem;
        }
        
        nav a:hover {
          color: white;
        }
        
        @media (max-width: 768px) {
          .container {
            flex-direction: column;
            gap: 1rem;
          }
          
          nav ul {
            gap: 1rem;
          }
        }
      </style>
      <header>
        <div class="container">
          <a href="/" class="logo">
            <i data-feather="diamond"></i>
            <span>Loot Spin</span>
          </a>
          <nav>
            <ul>
              <li><a href="/"><i data-feather="home"></i> Home</a></li>
              <li><a href="/about"><i data-feather="info"></i> About</a></li>
              <li><a href="/leaderboard"><i data-feather="award"></i> Leaderboard</a></li>
            </ul>
          </nav>
        </div>
      </header>
    `;
  }
}

customElements.define('custom-header', CustomHeader);