:root {
    --primary-color: #1a73e8;
    --primary-light: #e8f0fe;
    --primary-dark: #0d47a1;
    --secondary-color: #34a853;
    --error-color: #ea4335;
    --warning-color: #fbbc05;
    --success-color: #34a853;
    --text-color: #202124;
    --text-light: #5f6368;
    --border-color: #dadce0;
    --background-color: #f8f9fa;
    --card-background: #ffffff;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-hover: 0 14px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --border-radius: 8px;
    --header-height: 70px;
    --sidebar-width: 250px;
  }
  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: "Roboto", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--background-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }
  
  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }
  
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    margin-bottom: 1rem;
    font-weight: 500;
    line-height: 1.2;
  }
  
  h1 {
    font-size: 2.2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  p {
    margin-bottom: 1rem;
  }
  
  a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
  }
  
  a:hover {
    color: var(--primary-dark);
  }
  
  .user-header {
    background-color: var(--card-background);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    z-index: 1000;
  }
  
  .logo {
    display: flex;
    align-items: center;
  }
  
  .logo h1 {
    margin: 0;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.8rem;
  }
  
  .logo img {
    height: 40px;
    margin-right: 10px;
  }
  
  .user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
  }
  
  .balance {
    font-weight: 700;
    background-color: var(--primary-light);
    color: var(--primary-dark);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
  }
  
  .balance i {
    margin-right: 8px;
  }
  
  .username {
    font-weight: 600;
    display: flex;
    align-items: center;
  }
  
  .username i {
    margin-right: 8px;
  }
  
  .logout-btn {
    background-color: var(--error-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    display: flex;
    align-items: center;
  }
  
  .logout-btn i {
    margin-right: 8px;
  }
  
  .logout-btn:hover {
    opacity: 0.9;
    color: white;
  }
  
  .main-content {
    margin-top: var(--header-height);
    flex: 1;
    padding: 20px 0;
  }
  
  .dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
  }
  
  .dashboard-card {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 20px;
    transition: var(--transition);
  }
  
  .dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
  }
  
  .dashboard-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
  }
  
  .dashboard-card-header h2 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
  }
  
  .dashboard-card-header h2 i {
    margin-right: 10px;
    color: var(--primary-color);
  }
  
  .dashboard-card-header .card-actions {
    display: flex;
    gap: 10px;
  }
  
  .dashboard-card-content {
    margin-bottom: 15px;
  }
  
  .amount {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
  }
  
  .dashboard-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-light);
  }
  
  .actions {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 30px;
  }
  
  .action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    background-color: var(--primary-color);
    color: white;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    flex: 1;
    min-width: 200px;
  }
  
  .action-btn i {
    margin-right: 10px;
    font-size: 1.2rem;
  }
  
  .action-btn:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
  }
  
  .action-btn.secondary {
    background-color: var(--secondary-color);
  }
  
  .action-btn.secondary:hover {
    background-color: #2a8644;
  }
  
  .sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
  }
  
  .section {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 20px;
    transition: var(--transition);
  }
  
  .section:hover {
    box-shadow: var(--shadow-hover);
  }
  
  .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
  }
  
  .section-header h2 {
    margin: 0;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
  }
  
  .section-header h2 i {
    margin-right: 10px;
    color: var(--primary-color);
  }
  
  .progress-container {
    margin: 15px 0;
  }
  
  .progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
    font-size: 0.9rem;
  }
  
  .progress-bar {
    width: 100%;
    height: 10px;
    background-color: var(--border-color);
    border-radius: 5px;
    overflow: hidden;
  }
  
  .progress {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 5px;
    transition: width 0.5s ease;
  }
  
  .transfer-code-form {
    margin-top: 15px;
    padding: 15px;
    background-color: var(--primary-light);
    border-radius: var(--border-radius);
    border: 1px solid var(--primary-color);
  }
  
  .transfer-code-form .form-group {
    margin-bottom: 15px;
  }
  
  .data-table-container {
    overflow-x: auto;
    margin-bottom: 20px;
  }
  
  .data-table {
    width: 100%;
    border-collapse: collapse;
  }
  
  .data-table th,
  .data-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
  }
  
  .data-table th {
    background-color: var(--primary-light);
    font-weight: 600;
    color: var(--primary-dark);
  }
  
  .data-table tr:hover {
    background-color: rgba(0, 0, 0, 0.02);
  }
  
  .data-table .positive {
    color: var(--success-color);
    font-weight: 600;
  }
  
  .data-table .negative {
    color: var(--error-color);
    font-weight: 600;
  }
  
  .data-table .status {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
  }
  
  .data-table .status-pending {
    background-color: var(--warning-color);
    color: #000;
  }
  
  .data-table .status-processing {
    background-color: var(--primary-color);
    color: white;
  }
  
  .data-table .status-completed {
    background-color: var(--success-color);
    color: white;
  }
  
  .data-table .status-cancelled {
    background-color: var(--error-color);
    color: white;
  }
  
  .form-container {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 30px;
  }
  
  .form-header {
    margin-bottom: 20px;
    text-align: center;
  }
  
  .form-group {
    margin-bottom: 20px;
  }
  
  .form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
  }
  
  .form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
  }
  
  .form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-light);
  }
  
  .form-select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23202124' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 16px;
  }
  
  .form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-light);
  }
  
  .form-textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    min-height: 120px;
    resize: vertical;
  }
  
  .form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-light);
  }
  
  .form-check {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
  }
  
  .form-check-input {
    margin-right: 10px;
  }
  
  .form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
  }
  
  .auth-form {
    max-width: 500px;
    margin: 50px auto;
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 30px;
    text-align: center;
  }
  
  .auth-form h1 {
    margin-bottom: 30px;
    color: var(--primary-color);
  }
  
  .auth-form .form-container {
    box-shadow: none;
    padding: 0;
  }
  
  .auth-links {
    margin-top: 20px;
    text-align: center;
  }
  
  .auth-links p {
    margin-bottom: 10px;
  }
  
  .btn {
    display: inline-block;
    padding: 12px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
  }
  
  .btn-primary {
    background-color: var(--primary-color);
    color: white;
  }
  
  .btn-primary:hover {
    background-color: var(--primary-dark);
    color: white;
  }
  
  .btn-secondary {
    background-color: var(--secondary-color);
    color: white;
  }
  
  .btn-secondary:hover {
    background-color: #2a8644;
    color: white;
  }
  
  .btn-danger {
    background-color: var(--error-color);
    color: white;
  }
  
  .btn-danger:hover {
    opacity: 0.9;
    color: white;
  }
  
  .btn-outline {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
  }
  
  .btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
  }
  
  .btn-sm {
    padding: 8px 15px;
    font-size: 0.9rem;
  }
  
  .btn-lg {
    padding: 15px 25px;
    font-size: 1.1rem;
  }
  
  .btn-block {
    display: block;
    width: 100%;
  }
  
  .btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .btn-icon i {
    margin-right: 8px;
  }
  
  .alert {
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
  }
  
  .alert i {
    margin-right: 10px;
    font-size: 1.2rem;
  }
  
  .alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
  }
  
  .alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
  }
  
  .alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
  }
  
  .alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
  }
  
  .bank-selection {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
  }
  
  .bank-option {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 15px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
  }
  
  .bank-option:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
  }
  
  .bank-option.selected {
    border-color: var(--primary-color);
    background-color: var(--primary-light);
  }
  
  .bank-option img {
    max-width: 100%;
    height: 40px;
    object-fit: contain;
    margin-bottom: 10px;
  }
  
  .bank-option p {
    margin: 0;
    font-weight: 500;
  }
  
  .transfer-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    position: relative;
  }
  
  .transfer-steps::before {
    content: "";
    position: absolute;
    top: 25px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--border-color);
    z-index: 1;
  }
  
  .step {
    position: relative;
    z-index: 2;
    text-align: center;
    flex: 1;
  }
  
  .step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--card-background);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    font-weight: 600;
    color: var(--text-light);
  }
  
  .step.active .step-number {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
  }
  
  .step.completed .step-number {
    background-color: var(--success-color);
    border-color: var(--success-color);
    color: white;
  }
  
  .step-label {
    font-size: 0.9rem;
    color: var(--text-light);
  }
  
  .step.active .step-label {
    color: var(--primary-color);
    font-weight: 500;
  }
  
  .step.completed .step-label {
    color: var(--success-color);
    font-weight: 500;
  }
  
  .transfer-form-container {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 30px;
    margin-bottom: 30px;
  }
  
  .transfer-summary {
    background-color: var(--primary-light);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 30px;
  }
  
  .summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  }
  
  .summary-row:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
  }
  
  .summary-label {
    font-weight: 500;
  }
  
  .summary-value {
    font-weight: 600;
  }
  
  .transfer-confirmation {
    text-align: center;
    padding: 30px;
  }
  
  .confirmation-icon {
    font-size: 5rem;
    color: var(--success-color);
    margin-bottom: 20px;
  }
  
  .confirmation-message {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
  }
  
  .confirmation-details {
    margin-bottom: 30px;
  }
  
  .confirmation-reference {
    background-color: var(--primary-light);
    padding: 10px;
    border-radius: var(--border-radius);
    font-family: monospace;
    font-size: 1.2rem;
    margin-bottom: 20px;
  }
  
  .admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background-color: #2c3e50;
    color: #ecf0f1;
    z-index: 1000;
    transition: var(--transition);
    overflow-y: auto;
  }
  
  .admin-sidebar-header {
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .admin-sidebar-header h2 {
    margin: 0;
    font-size: 1.5rem;
    color: white;
  }
  
  .admin-sidebar-close {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
  }
  
  .admin-sidebar-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
    margin-right: 15px;
  }
  
  .admin-sidebar-nav ul {
    list-style: none;
    padding: 0;
  }
  
  .admin-sidebar-nav a {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    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: 10px;
    width: 20px;
    text-align: center;
  }
  
  .admin-sidebar-nav a.active {
    background-color: var(--primary-color);
    color: white;
  }
  
  .admin-content {
    margin-left: var(--sidebar-width);
    padding: 20px;
    transition: var(--transition);
  }
  
  .admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
  }
  
  .admin-header h1 {
    margin: 0;
    display: flex;
    align-items: center;
  }
  
  .admin-header h1 i {
    margin-right: 10px;
    color: var(--primary-color);
  }
  
  .footer {
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 50px 0 20px;
    margin-top: auto;
  }
  
  .footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
  }
  
  .footer-logo h2 {
    color: white;
    margin-bottom: 10px;
  }
  
  .footer-links h3,
  .footer-social h3,
  .footer-contact h3 {
    color: white;
    margin-bottom: 15px;
    font-size: 1.2rem;
  }
  
  .footer-links ul {
    list-style: none;
    padding: 0;
  }
  
  .footer-links li {
    margin-bottom: 10px;
  }
  
  .footer-links a {
    color: #ecf0f1;
    transition: var(--transition);
  }
  
  .footer-links a:hover {
    color: var(--primary-color);
  }
  
  .social-icons {
    display: flex;
    gap: 15px;
  }
  
  .social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
  }
  
  .social-icons a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
  }
  
  .footer-contact p {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
  }
  
  .footer-contact p i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
  }
  
  .footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  @media (max-width: 992px) {
    .admin-sidebar {
      transform: translateX(-100%);
    }
  
    .admin-sidebar.show {
      transform: translateX(0);
    }
  
    .admin-content {
      margin-left: 0;
    }
  
    .admin-sidebar-toggle {
      display: block;
    }
  
    .admin-sidebar-close {
      display: block;
    }
  }
  
  @media (max-width: 768px) {
    .dashboard,
    .sections {
      grid-template-columns: 1fr;
    }
  
    .user-info .balance span,
    .user-info .username span {
      display: none;
    }
  
    .transfer-steps {
      flex-direction: column;
      align-items: flex-start;
    }
  
    .transfer-steps::before {
      display: none;
    }
  
    .step {
      display: flex;
      align-items: center;
      margin-bottom: 15px;
    }
  
    .step-number {
      margin: 0 15px 0 0;
    }
  
    .bank-selection {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  
  @media (max-width: 576px) {
    .user-header {
      padding: 0 15px;
    }
  
    .logo h1 {
      font-size: 1.5rem;
    }
  
    .actions {
      flex-direction: column;
    }
  
    .action-btn {
      width: 100%;
    }
  
    .form-actions {
      flex-direction: column;
      gap: 15px;
    }
  
    .form-actions .btn {
      width: 100%;
    }
  
    .bank-selection {
      grid-template-columns: 1fr;
    }
  }