body {
      min-height: 100vh;
      display: flex;
    }
    .sidebar {
      width: 250px;
      background-color: #343a40;
      color: white;
    }
    .sidebar a {
      color: white;
      text-decoration: none;
    }
    .sidebar a:hover {
      background-color: #495057;
    }
    .main-content {
      flex-grow: 1;
      padding: 20px;
    }