* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  }

  body {
    background-color: #f5f5f5;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
  }

  .page-header {
    margin-bottom: 24px;
  }

  .page-title {
    font-size: 28px;
    color: #333;
    margin-bottom: 8px;
  }

  .welcome-text {
    color: #666;
    font-size: 16px;
  }

  .account-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
  }

  .summary-card {
    background: white;
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
  }

  .summary-card.alert {
    border-left: 4px solid #dc3545;
  }

  .card-header {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
  }

  .card-icon {
    width: 24px;
    height: 24px;
    margin-right: 12px;
    color: #2c5282;
  }

  .card-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
  }

  .card-content {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
  }

  .stat-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 12px;
  }

  .stat-item {
    text-align: center;
    padding: 12px;
    background: #f8fafc;
    border-radius: 6px;
  }

  .stat-value {
    font-size: 24px;
    font-weight: 600;
    color: #2c5282;
    margin-bottom: 4px;
  }

  .stat-label {
    font-size: 12px;
    color: #666;
  }

  .action-link {
    display: inline-block;
    margin-top: 16px;
    color: #2c5282;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
  }

  .action-link:hover {
    text-decoration: underline;
  }

  .action-link-pay {
    display: inline-block;
    margin-top: 16px;
    color: #2c5282;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
  }

  .action-link-pay:hover {
    text-decoration: underline;
  }

  .section-card {
    background: white;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
  }

  .section-title {
    font-size: 20px;
    color: #333;
    margin-bottom: 16px;
  }

  .loan-table {
    width: 100%;
    border-collapse: collapse;
  }

  .loan-table th,
  .loan-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #eee;
  }

  .loan-table th {
    font-weight: 600;
    color: #666;
    font-size: 14px;
  }

  .loan-table td {
    color: #333;
    font-size: 14px;
  }

  .status-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
  }

  .status-ontime {
    background-color: #e6f4ea;
    color: #1e7e34;
  }

  .status-due-soon {
    background-color: #fff3e0;
    color: #e65100;
  }

  .status-overdue {
    background-color: #fde8e8;
    color: #c81e1e;
  }

  .fine-amount {
    color: #dc3545;
    font-weight: 600;
  }

  .fine-paid {
    color: #1e7e34;
    font-weight: 600;
  }

  .renewal-btn {
    padding: 4px 8px;
    background-color: #2c5282;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
  }

  .renewal-btn:hover {
    background-color: #2d3748;
  }

  .renewal-btn:disabled {
    background-color: #cbd5e0;
    cursor: not-allowed;
  }

  @media (max-width: 768px) {
    .container {
      padding: 16px;
    }

    .page-title {
      font-size: 24px;
    }

    .loan-table {
      display: block;
      overflow-x: auto;
    }
  }

  .account-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
  }
  
  .account-card {
    background: white;
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  }
  
  .card-header {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
  }
  
  .card-icon {
    width: 24px;
    height: 24px;
    margin-right: 12px;
    color: #2c5282;
  }
  
  .card-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
  }
  
  .card-content {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
  }
  
  .card-content a.action-link {
    display: inline-block;
    margin-top: 8px;
    color: #2c5282;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
  }
  
  .card-content a.action-link:hover {
    text-decoration: underline;
  }
  
  @media (max-width: 768px) {
    .account-grid {
      padding: 16px;
    }
  
    .card-title {
      font-size: 16px;
    }
  
    .card-content p {
      font-size: 13px;
    }
  }

  a.disabled {
    color: rgb(53, 52, 52);
    pointer-events: none; 
    cursor: not-allowed;  
}