/* Verbeterde sidebar styling */
.sidebar {
    background-color: #2c3e50;
    color: #ecf0f1;
    min-height: 100vh;
    position: sticky;
    top: 0;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
  }
  
  .sidebar-header {
    padding: 20px;
    background-color: #1a2530;
    height: 70px;
    display: flex;
    align-items: center;
  }
  
  .sidebar-header h4 {
    color: #3498db !important;
    font-weight: 700;
  }
  
  .sidebar-content {
    padding: 0;
    flex: 1;
  }
  
  .sidebar-nav {
    padding: 0;
    list-style: none;
    margin: 0;
  }
  
  .sidebar-item {
    margin: 2px 0;
  }
  
  .sidebar-link {
    padding: 14px 20px;
    color: #bdc3c7;
    display: flex;
    align-items: center;
    border-radius: 0;
    transition: all 0.3s;
    font-weight: 500;
    text-decoration: none;
  }
  
  .sidebar-link:hover, .sidebar-link.active {
    color: #ffffff;
    background-color: rgba(52, 152, 219, 0.2);
    border-left: 4px solid #3498db;
    text-decoration: none;
  }
  
  .sidebar-link i {
    margin-right: 10px;
    font-size: 18px;
    width: 24px;
    display: inline-block;
    text-align: center;
  }
  
  /* Zorg ervoor dat de content naast de sidebar goed werkt */
  .h-screen {
    height: 100vh;
    overflow-y: auto;
  }
  
  /* Responsive behavior */
  @media (max-width: 992px) {
    .sidebar {
      position: fixed;
      z-index: 1050;
      left: -250px;
      width: 250px;
    }
    
    .sidebar.show {
      left: 0;
    }
  }