body {
    margin: 0;
    font-family: system-ui, sans-serif;
    background: #000;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    gap: 16px;
    padding: 20px;
  }
  
  h1 {
    font-size: 22px;
    margin-bottom: 20px;
    text-align: center;
  }
  
  .wallet-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 90%;
    max-width: 350px;
    padding: 14px 18px;
    border-radius: 10px;
    background: #1a1a1a;
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: background 0.25s ease;
  }
  
  .wallet-btn:hover {
    background: #2a2a2a;
  }
  
  .wallet-btn img {
    width: 28px;
    height: 28px;
    object-fit: contain;
  }