.admin-container {
    display: flex;
    min-height: 100vh;
  }
  
  .admin-sidebar {
    width: 250px;
    background-color: #2c3e50;
    color: #ecf0f1;
    min-height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
  }
  
  .admin-sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .admin-sidebar-header h2 {
    margin: 0;
    font-size: 1.5rem;
  }
  
  .admin-sidebar-nav ul {
    list-style: none;
    padding: 0;
  }
  
  .admin-sidebar-nav a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: #ecf0f1;
    text-decoration: none;
    transition: all 0.3s ease;
  }
  
  .admin-sidebar-nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
  }
  
  .admin-sidebar-nav a i {
    margin-right: 0.5rem;
  }
  
  .admin-content {
    flex: 1;
    margin-left: 250px;
    padding: 1.5rem;
  }
  
  .admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
  }
  
  .admin-header h1 {
    margin: 0;
  }
  
  .admin-logout a {
    color: var(--error-color);
    font-weight: 600;
  }
  
  .admin-section {
    background-color: var(--card-background);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
  }
  
  .admin-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
  }
  
  .admin-section-header h2 {
    margin: 0;
  }
  
  .stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
  }
  
  .stats-card {
    padding: 1.5rem;
    background-color: var(--card-background);
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
  }
  
  .stats-card:hover {
    transform: translateY(-5px);
  }
  
  .stats-card h3 {
    margin-bottom: 0.5rem;
    color: var(--text-light);
  }
  
  .stats-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
  }
  
  .stats-link {
    display: inline-block;
    margin-top: 0.5rem;
    font-weight: 600;
  }
  
  .admin-table {
    width: 100%;
    border-collapse: collapse;
  }
  
  .admin-table th,
  .admin-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
  }
  
  .admin-table th {
    background-color: var(--primary-light);
    font-weight: 600;
  }
  
  .admin-table tr:hover {
    background-color: rgba(0, 0, 0, 0.025);
  }
  
  .admin-table .actions {
    display: flex;
    gap: 0.5rem;
  }
  
  .status {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 600;
  }
  
  .status-active {
    background-color: var(--success-color);
    color: white;
  }
  
  .status-pending {
    background-color: var(--warning-color);
    color: black;
  }
  
  .status-suspended {
    background-color: var(--error-color);
    color: white;
  }
  
  .status-completed {
    background-color: var(--success-color);
    color: white;
  }
  
  .status-processing {
    background-color: var(--primary-color);
    color: white;
  }
  
  .status-cancelled {
    background-color: var(--text-light);
    color: white;
  }
  
  .search-form {
    display: flex;
    gap: 0.5rem;
  }
  
  .search-form input {
    width: 250px;
  }
  
  .pagination {
    display: flex;
    justify-content: center;
    margin-top: 1.5rem;
  }
  
  .pagination-item,
  .pagination-prev,
  .pagination-next {
    display: inline-block;
    padding: 0.5rem 0.75rem;
    margin: 0 0.25rem;
    border-radius: 4px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
  }
  
  .pagination-item:hover,
  .pagination-prev:hover,
  .pagination-next:hover {
    background-color: var(--primary-light);
  }
  
  .pagination-item.active {
    background-color: var(--primary-color);
    color: white;
  }
  
  .inline-form {
    display: inline-block;
  }
  
  .currency-form {
    margin: 0;
  }
  
  .currency-form select {
    padding: 0.25rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
  }
  
  .delete-form {
    display: inline-block;
  }
  
  .quick-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
  }
  
  .transaction-details {
    margin-bottom: 2rem;
  }
  
  .detail-row {
    display: flex;
    margin-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
  }
  
  .detail-label {
    font-weight: 600;
    width: 200px;
  }
  
  .detail-value {
    flex: 1;
  }
  
  .transaction-codes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
  }
  
  .code-item {
    padding: 1rem;
    background-color: var(--primary-light);
    border-radius: 8px;
    position: relative;
  }
  
  .code-item h3 {
    margin-bottom: 0.5rem;
    font-size: 1rem;
  }
  
  .code {
    font-family: monospace;
    padding: 0.5rem;
    background-color: white;
    border-radius: 4px;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
    text-align: center;
    user-select: all;
  }
  
  .code-status {
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
  }
  
  .code-status.used {
    color: var(--success-color);
  }
  
  .code-status.unused {
    color: var(--text-light);
  }
  
  .language-selector {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
  }
  
  .language-selector select {
    padding: 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
  }
  
  .modal-form {
    background-color: var(--card-background);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
  }
  
  .mt-4 {
    margin-top: 1.5rem;
  }
  
  @media (max-width: 768px) {
    .admin-container {
      flex-direction: column;
    }
  
    .admin-sidebar {
      width: 100%;
      position: static;
      min-height: auto;
    }
  
    .admin-content {
      margin-left: 0;
    }
  
    .stats-cards {
      grid-template-columns: 1fr;
    }
  
    .admin-table {
      display: block;
      overflow-x: auto;
    }
  
    .quick-actions {
      flex-direction: column;
    }
  
    .quick-actions .btn {
      width: 100%;
    }
  }