class LeetCodeStats extends HTMLElement {
  connectedCallback() {
    this.attachShadow({ mode: 'open' });
    this.shadowRoot.innerHTML = `
      <style>
        .leetcode-container {
          background: white;
          border-radius: 12px;
          padding: 1.5rem;
          box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
          margin: 1rem 0;
        }
        .stats-header {
          display: flex;
          align-items: center;
          margin-bottom: 1rem;
        }
        .leetcode-logo {
          width: 32px;
          height: 32px;
          margin-right: 0.75rem;
        }
        .stats-grid {
          display: grid;
          grid-template-columns: repeat(2, 1fr);
          gap: 1rem;
        }
        .stat-item {
          background: #f8fafc;
          padding: 0.75rem;
          border-radius: 8px;
        }
        .stat-label {
          font-size: 0.875rem;
          color: #64748b;
          margin-bottom: 0.25rem;
        }
        .stat-value {
          font-weight: 600;
          color: #1e293b;
        }
        .difficulty-bar {
          height: 8px;
          border-radius: 4px;
          margin-top: 0.5rem;
          background: #e2e8f0;
          overflow: hidden;
        }
        .difficulty-fill {
          height: 100%;
        }
        .easy { background: #10b981; width: 70%; }
        .medium { background: #f59e0b; width: 25%; }
        .hard { background: #ef4444; width: 5%; }
      </style>
      <div class="leetcode-container">
        <div class="stats-header">
          <img src="https://leetcode.com/static/images/LeetCode_logo_rvs.png" alt="LeetCode" class="leetcode-logo">
          <h3 class="text-xl font-bold">LeetCode Stats</h3>
        </div>
        
        <div class="stats-grid">
          <div class="stat-item">
            <div class="stat-label">Problems Solved</div>
            <div class="stat-value">500+</div>
          </div>
          <div class="stat-item">
            <div class="stat-label">Global Ranking</div>
            <div class="stat-value">Top 5%</div>
          </div>
          <div class="stat-item">
            <div class="stat-label">Contest Rating</div>
            <div class="stat-value">1867</div>
          </div>
          <div class="stat-item">
            <div class="stat-label">Acceptance Rate</div>
            <div class="stat-value">82%</div>
          </div>
        </div>
        
        <div class="mt-4">
          <div class="flex justify-between text-sm mb-1">
            <span>Difficulty Breakdown</span>
            <span>500 Total</span>
          </div>
          <div class="difficulty-bar">
            <div class="difficulty-fill easy"></div>
            <div class="difficulty-fill medium"></div>
            <div class="difficulty-fill hard"></div>
          </div>
          <div class="flex justify-between text-xs mt-1">
            <span>350 Easy</span>
            <span>125 Medium</span>
            <span>25 Hard</span>
          </div>
        </div>
      </div>
    `;
  }
}

customElements.define('leetcode-stats', LeetCodeStats);