/* Sidebar navigation styling */
.sidebar {
    width: 250px;
    padding: 20px;
    float: left;
    background-color: #f4f4f4;
    height: 100vh;
    top: 0;
    overflow-y: auto;
    position: sticky;
    border-right: 1px solid #ddd;
    min-height: 100vh;}

.sidebar ul {
    list-style-type: none;
    padding: 0;}

.sidebar li {
    margin: 5px 0;}

.sidebar a {
    text-decoration: none;
    color: #333;}

.sidebar a:hover {
    text-decoration: underline;}

.sidebar h2 {
    font-size: 18px;
    margin-bottom: 10px;}