:root {
      --primary: #0040C1;
      --primary-dark: #002E8A;
      --primary-light: #EBF1FF;
      --secondary: #454D66;
      --bg-light: #F5F7FA;
      --text-dark: #151B30;
      --text-light: #575F7D;
      --success: #05A677;
      --warning: #FFAB2D;
      --danger: #DC3545;
      --dark: #1E2640;
      --border: #D9E1EC;
      --card-bg: #FFFFFF;
      --badge-bg: #EFF2F7;
      --hover-light: #F8FAFD;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    }

    body {
      background-color: var(--bg-light);
      color: var(--text-dark);
      line-height: 1.6;
      font-size: 14px;
    }

    a {
      color: var(--primary);
      text-decoration: none;
      transition: all 0.2s ease;
    }

    a:hover {
      color: var(--primary-dark);
    }

    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .navbar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 0;
      border-bottom: 1px solid var(--border);
      background-color: var(--card-bg);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
      position: sticky;
      top: 0;
      z-index: 100;
    }

    .navbar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }

    .logo {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 0.5rem;
      letter-spacing: -0.02em;
    }

    .logo-icon {
      display: inline-flex;
      width: 32px;
      height: 32px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      border-radius: 8px;
      position: relative;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: 700;
      box-shadow: 0 3px 8px rgba(0, 64, 193, 0.2);
    }

    .nav-menu {
      display: flex;
      gap: 2rem;
      align-items: center;
    }

    .nav-link {
      color: var(--text-light);
      font-weight: 500;
      padding: 8px 0;
      border-bottom: 2px solid transparent;
      transition: all 0.2s;
    }

    .nav-link:hover, .nav-link.active {
      color: var(--primary);
      border-bottom: 2px solid var(--primary);
    }

    .user-profile {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background-color: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      font-size: 16px;
    }

    .user-info {
      display: flex;
      flex-direction: column;
    }

    .user-name {
      font-weight: 600;
      font-size: 14px;
      color: var(--text-dark);
    }

    .user-id {
      font-size: 12px;
      color: var(--text-light);
    }

    .dropdown-toggle {
      background: none;
      border: none;
      color: var(--text-light);
      cursor: pointer;
      font-size: 18px;
    }

    .page-header {
      padding: 40px 0 32px;
      border-bottom: 1px solid var(--border);
      margin-bottom: 32px;
      background-color: var(--card-bg);
    }

    .action-button {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      color: white;
      border: none;
      padding: 10px 20px;
      border-radius: 8px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s;
      box-shadow: 0 3px 6px rgba(0, 64, 193, 0.15);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
    }

    .action-button:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 12px rgba(0, 64, 193, 0.2);
    }

    .action-button.secondary {
      background: var(--card-bg);
      color: var(--primary);
      border: 1px solid var(--border);
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    }

    .action-button.secondary:hover {
      background: var(--primary-light);
      border-color: var(--primary);
    }

    .dashboard-layout {
      display: grid;
      grid-template-columns: 260px 1fr;
      gap: 24px;
      margin-bottom: 40px;
    }

    .sidebar {
      background-color: var(--card-bg);
      border-radius: 12px;
      box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
      position: sticky;
      top: 100px;
      height: calc(100vh - 120px);
      overflow-y: auto;
    }

    .sidebar-section {
      padding: 16px 0;
      border-bottom: 1px solid var(--border);
    }

    .sidebar-section:last-child {
      border-bottom: none;
    }

    .sidebar-section-title {
      padding: 0 24px;
      font-size: 11px;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--text-light);
      font-weight: 600;
      margin-bottom: 8px;
    }

    .sidebar-menu {
      list-style: none;
    }

    .sidebar-link {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 24px;
      color: var(--text-dark);
      font-weight: 500;
      position: relative;
      border-left: 3px solid transparent;
      font-size: 14px;
    }

    .sidebar-link .icon {
      width: 20px;
      height: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-light);
      transition: all 0.2s;
    }

    .sidebar-link .badge {
      margin-left: auto;
      font-size: 11px;
      background-color: var(--badge-bg);
      color: var(--text-light);
      padding: 2px 8px;
      border-radius: 100px;
      font-weight: 500;
    }

    .sidebar-link.active {
      background-color: var(--primary-light);
      border-left-color: var(--primary);
      color: var(--primary);
    }

    .sidebar-link.active .icon {
      color: var(--primary);
    }

    .sidebar-link:hover:not(.active) {
      background-color: var(--hover-light);
    }

    .main-content {
      display: grid;
      gap: 24px;
    }

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .grid-auto {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 24px;
    }

    .card {
      background-color: var(--card-bg);
      border-radius: 12px;
      box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
      position: relative;
      overflow: hidden;
    }

    .card-accent {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
    }

    .card-header {
      padding: 24px;
      border-bottom: 1px solid var(--border);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .card-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--dark);
      letter-spacing: -0.01em;
    }

    .card-subtitle {
      color: var(--text-light);
      font-size: 13px;
      margin-top: 2px;
    }

    .card-body {
      padding: 24px;
    }

    .card-footer {
      padding: 16px 24px;
      border-top: 1px solid var(--border);
      background-color: var(--hover-light);
      text-align: right;
    }

    .form-group {
      margin-bottom: 24px;
    }

    .form-row {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .form-label {
      display: block;
      margin-bottom: 8px;
      font-weight: 500;
      font-size: 13px;
      color: var(--text-dark);
    }

    .form-control {
      width: 100%;
      padding: 12px;
      border: 1px solid var(--border);
      border-radius: 8px;
      font-size: 14px;
      transition: all 0.2s;
      color: var(--text-dark);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(0, 64, 193, 0.1);
    }

    .form-control:disabled {
      background-color: var(--bg-light);
      cursor: not-allowed;
    }

    .input-group {
      display: flex;
      align-items: stretch;
    }

    .input-group .form-control {
      border-top-right-radius: 0;
      border-bottom-right-radius: 0;
      border-right: none;
    }

    .input-group-append {
      background-color: var(--hover-light);
      color: var(--text-light);
      padding: 0 16px;
      border: 1px solid var(--border);
      border-left: none;
      border-top-right-radius: 8px;
      border-bottom-right-radius: 8px;
      display: flex;
      align-items: center;
      font-weight: 500;
      font-size: 13px;
    }

    .form-hint {
      display: block;
      margin-top: 8px;
      color: var(--text-light);
      font-size: 12px;
    }

    .security-grid {
      display: grid;
      gap: 16px;
    }

    .security-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      padding: 16px;
      border-radius: 8px;
      border: 1px solid var(--border);
      background-color: var(--hover-light);
    }

    .security-item.active {
      background-color: var(--primary-light);
      border-color: rgba(0, 64, 193, 0.2);
    }

    .status-icon {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      font-size: 16px;
    }

    .status-icon.success {
      background-color: rgba(5, 166, 119, 0.1);
      color: var(--success);
    }

    .status-icon.warning {
      background-color: rgba(255, 171, 45, 0.1);
      color: var(--warning);
    }

    .status-icon.danger {
      background-color: rgba(220, 53, 69, 0.1);
      color: var(--danger);
    }

    .security-content {
      flex: 1;
    }

    .security-title {
      font-weight: 600;
      font-size: 14px;
      color: var(--text-dark);
      margin-bottom: 4px;
    }

    .security-desc {
      color: var(--text-light);
      font-size: 13px;
    }

    .security-action {
      margin-top: 12px;
      font-size: 12px;
      font-weight: 500;
    }

    .connected-apps {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
      gap: 16px;
    }

    .app-card {
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 20px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      background-color: var(--card-bg);
      transition: all 0.2s;
    }

    .app-card:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    }

    .app-icon {
      width: 56px;
      height: 56px;
      border-radius: 12px;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: bold;
      font-size: 20px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    }

    .app-name {
      font-weight: 600;
      font-size: 15px;
      color: var(--text-dark);
      margin-bottom: 4px;
    }

    .app-date {
      color: var(--text-light);
      font-size: 12px;
      margin-bottom: 16px;
    }

    .app-actions {
      margin-top: auto;
      width: 100%;
      display: flex;
      justify-content: center;
      gap: 8px;
    }

    .app-button {
      background: none;
      border: none;
      color: var(--text-light);
      cursor: pointer;
      font-size: 12px;
      font-weight: 500;
      padding: 6px 12px;
      border-radius: 6px;
      transition: all 0.2s;
    }

    .app-button:hover {
      background-color: var(--hover-light);
      color: var(--text-dark);
    }

    .app-button.danger:hover {
      background-color: rgba(220, 53, 69, 0.1);
      color: var(--danger);
    }

    .activity-log {
      list-style: none;
    }

    .activity-item {
      display: flex;
      gap: 16px;
      padding: 16px 0;
      border-bottom: 1px solid var(--border);
    }

    .activity-item:last-child {
      border-bottom: none;
    }

    .activity-icon {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background-color: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      font-size: 16px;
    }

    .activity-content {
      flex: 1;
    }

    .activity-title {
      font-weight: 500;
      font-size: 14px;
      color: var(--text-dark);
    }

    .activity-meta {
      color: var(--text-light);
      font-size: 12px;
      margin-top: 4px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .activity-meta .dot {
      width: 4px;
      height: 4px;
      border-radius: 50%;
      background-color: var(--text-light);
    }

    .footer {
      text-align: center;
      padding: 32px 0;
      color: var(--text-light);
      border-top: 1px solid var(--border);
      margin-top: 40px;
      font-size: 13px;
    }

    .footer-links {
      display: flex;
      justify-content: center;
      gap: 24px;
      margin-top: 16px;
    }

    .security-badges {
      display: flex;
      justify-content: center;
      gap: 16px;
      margin-top: 24px;
    }

    .security-badge {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      color: var(--text-light);
    }

    .security-badge img {
      height: 32px;
      width: auto;
    }

    /* Stats widgets */
    .stats-container {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-bottom: 24px;
    }

    .stat-card {
      background-color: var(--card-bg);
      border-radius: 10px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
      padding: 20px;
      display: flex;
      flex-direction: column;
    }

    .stat-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      margin-bottom: 12px;
    }

    .stat-icon {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: var(--primary-light);
      color: var(--primary);
      font-size: 18px;
    }

    .stat-title {
      font-size: 13px;
      color: var(--text-light);
      margin-bottom: 4px;
    }

    .stat-value {
      font-size: 24px;
      font-weight: 700;
      color: var(--text-dark);
      letter-spacing: -0.02em;
    }

    .stat-change {
      font-size: 12px;
      display: flex;
      align-items: center;
      gap: 4px;
      margin-top: 8px;
    }

    .stat-change.positive {
      color: var(--success);
    }

    .stat-change.negative {
      color: var(--danger);
    }

    /* Status indicators */
    .status-indicator {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 10px;
      border-radius: 100px;
      font-size: 12px;
      font-weight: 500;
    }

    .status-indicator.active {
      background-color: rgba(5, 166, 119, 0.1);
      color: var(--success);
    }

    .status-indicator.inactive {
      background-color: rgba(220, 53, 69, 0.1);
      color: var(--danger);
    }

    .status-indicator.pending {
      background-color: rgba(255, 171, 45, 0.1);
      color: var(--warning);
    }

    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
    }

    .status-dot.active {
      background-color: var(--success);
      box-shadow: 0 0 0 2px rgba(5, 166, 119, 0.2);
    }

    .status-dot.inactive {
      background-color: var(--danger);
      box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.2);
    }

    .status-dot.pending {
      background-color: var(--warning);
      box-shadow: 0 0 0 2px rgba(255, 171, 45, 0.2);
    }

    /* Responsive */
    @media (max-width: 992px) {
      .stats-container {
        grid-template-columns: repeat(2, 1fr);
      }

      .grid-2 {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .dashboard-layout {
        grid-template-columns: 1fr;
      }

      .nav-menu {
        display: none;
      }

      .sidebar {
        position: static;
        height: auto;
      }
    }

    @media (max-width: 576px) {
      .stats-container {
        grid-template-columns: 1fr;
      }

      .user-info {
        display: none;
      }
    }