body {
    font-family: sans-serif;
    background: #f5f5f5;
    margin: 0;
    padding: 0;
  }
  
  header {
    background: #fff;
    padding: 1rem 2rem;
    border-bottom: 1px solid #ddd;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  header h1 {
    font-size: 1.2rem;
  }
  
  .transaction-link {
    color: red;
    text-decoration: none;
    font-weight: bold;
  }
  
  .wallet-balance {
    background: #fceeee;
    padding: 1.5rem 2rem;
  }
  
  .wallet-info {
    display: flex;
    justify-content: space-between;
    font-size: 1.1rem;
  }
  
  .wallet-info .amount {
    font-size: 1.5rem;
    font-weight: bold;
  }
  
  main {
    padding: 2rem;
    background: #fff;
  }
  
  h2 {
    margin-bottom: 1rem;
  }
  
  .recharge-packs {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
  }
  
  .pack {
    background: linear-gradient(145deg, #003366, #0055aa);
    color: #fff;
    border-radius: 12px;
    padding: 1rem;
    width: 160px;
    min-height: 100px;
    position: relative;
  }
  
  .pack .recharge-for {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.4;
  }
  
  .pack .extra {
    margin-top: 0.5rem;
    font-size: 0.8rem;
  }
  
  .most-recharged .tag {
    color: limegreen;
    font-size: 0.75rem;
    font-weight: bold;
    position: absolute;
    bottom: 5px;
    left: 10px;
  }
  
  .custom-recharge {
    border-top: 1px solid #eee;
    padding-top: 2rem;
  }
  
  .custom-recharge h3 {
    margin-bottom: 1rem;
  }
  
  .recharge-form {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
  }
  
  .recharge-form input {
    padding: 0.5rem;
    font-size: 1rem;
    width: 150px;
  }
  
  .recharge-form .recharge-display {
    font-size: 1rem;
  }
  
  .recharge-form button {
    padding: 0.6rem 1.5rem;
    background: #003366;
    color: #fff;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-size: 1rem;
  }
  
  .recharge-form button:hover {
    background: #218838;
  }