.sidebar {
    min-height: 100vh; 
}

.sidebar .nav-link {
    color: white; /* White color for links */
    padding: 10px 15px;
    text-decoration: none; /* Remove underline */
    transition: background-color 0.3s ease; /* Smooth transition */
}

.sidebar .nav-link:hover {
    background-color: #495057; /* Darker hover color */
}