      :root {
        --primary-color: #3498db;
        --secondary-color: #2c3e50;
        --success-color: #2ecc71;
        --danger-color: #e74c3c;
        --warning-color: #f39c12;
        --light-bg: #f8f9fa;
        --dark-bg: #343a40;
      }

      body {
        background-color: #f5f5f5;
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      }

      .sidebar {
        background-color: var(--secondary-color);
        color: white;
        height: 100vh;
        position: fixed;
        transition: all 0.3s;
      }

      .sidebar .nav-link {
        color: rgba(255, 255, 255, 0.8);
        padding: 15px 20px;
        border-radius: 5px;
        margin-bottom: 5px;
        transition: all 0.3s;
      }

      .sidebar .nav-link:hover,
      .sidebar .nav-link.active {
        background-color: rgba(255, 255, 255, 0.1);
        color: white;
      }

      .sidebar .nav-link i {
        margin-left: 10px;
      }

      .main-content {
        transition: all 0.3s;
      }

      .card {
        border: none;
        border-radius: 10px;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        margin-bottom: 20px;
        transition: transform 0.3s;
      }

      .card:hover {
        transform: translateY(-5px);
      }

      .card-header {
        background-color: white;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        font-weight: 600;
        border-radius: 10px 10px 0 0 !important;
      }

      .btn-primary {
        background-color: var(--primary-color);
        border-color: var(--primary-color);
      }

      .btn-success {
        background-color: var(--success-color);
        border-color: var(--success-color);
      }

      .btn-danger {
        background-color: var(--danger-color);
        border-color: var(--danger-color);
      }

      .Profil-header {
        background-color: var(--primary-color);
        color: white;
        padding: 20px;
        border-radius: 10px;
        margin-bottom: 20px;
      }

      .Profil-img {
        width: 100px;
        height: 100px;
        border-radius: 50%;
        border: 3px solid white;
        object-fit: cover;
      }

      .upload-area {
        border: 2px dashed #ccc;
        border-radius: 10px;
        padding: 20px;
        text-align: center;
        cursor: pointer;
        transition: all 0.3s;
      }

      .upload-area:hover {
        border-color: var(--primary-color);
      }

      .notification-badge {
        position: absolute;
        top: -5px;
        right: -5px;
        background-color: var(--danger-color);
        color: white;
        border-radius: 50%;
        width: 20px;
        height: 20px;
        font-size: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
      }

      .dashboard-stat {
        padding: 20px;
        border-radius: 10px;
        color: white;
        margin-bottom: 20px;
      }

      .stat-primary {
        background-color: var(--primary-color);
      }

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

      .stat-warning {
        background-color: var(--warning-color);
      }

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

      .stat-icon {
        font-size: 3rem;
        opacity: 0.5;
      }

      /* Responsive adjustments */
      @media (max-width: 768px) {
        .sidebar {
          width: 100%;
          height: auto;
          position: relative;
        }

        .sidebar .nav {
          display: flex;
          flex-direction: row;
          overflow-x: auto;
          padding: 10px;
        }

        .sidebar .nav-link {
          padding: 10px;
          margin-left: 5px;
          white-space: nowrap;
        }

        .main-content {
          margin-right: 0 !important;
        }
      }
              .timeline {
                position: relative;
                padding-left: 30px;
              }

              .timeline-item {
                position: relative;
                padding-bottom: 20px;
                border-left: 2px solid #e9ecef;
                padding-left: 20px;
              }

              .timeline-item:last-child {
                padding-bottom: 0;
              }

              .timeline-item:before {
                content: '';
                position: absolute;
                left: -10px;
                top: 0;
                width: 18px;
                height: 18px;
                border-radius: 50%;
                background-color: #fff;
                border: 2px solid #3498db;
              }

              .timeline-date {
                font-size: 0.8rem;
                color: #6c757d;
                margin-bottom: 5px;
              }

              /* Activer les zones de glisser-d\xC3\xA9poser */
              .upload-area {
                border: 2px dashed #ccc;
                border-radius: 10px;
                padding: 30px;
                text-align: center;
                cursor: pointer;
                transition: all 0.3s;
              }

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(52, 152, 219, 0.05);
}

.notification-time {
  display: block;
  font-size: 0.8rem;
  margin-top: 0.25rem;
  color: #6c757d;
}
