/* Navbar Styles */
body {
    padding-top: 70px; /* Adjust as needed to push content below fixed navbar */
}
.main-navbar {
    background-color: #333;
    overflow: hidden;
    /* margin-bottom: 20px; */ /* No longer needed with fixed position */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-sizing: border-box;
}
.main-navbar ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    text-align: center;
}
.main-navbar li {
    display: inline-block;
}
.main-navbar li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 20px;
    text-decoration: none;
    transition: background-color 0.3s ease;
}
.main-navbar li a:hover {
    background-color: #555;
}
.main-navbar li a.active {
    background-color: #007bff;
}
.main-navbar li a#logoutButton {
    background-color: #dc3545;
    margin-left: 10px;
    border-radius: 4px;
}
.main-navbar li a#logoutButton:hover {
    background-color: #c82333;
}
.main-navbar li span.nav-link-disabled {
    display: block;
    color: #999; /* Greyed out text */
    text-align: center;
    padding: 14px 20px;
    cursor: help;
}

/* --- Mobile Navbar responsiveness --- */
.navbar-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.8em;
    cursor: pointer;
    position: absolute;
    right: 20px;
    top: 10px;
    outline: none;
}

@media (max-width: 768px) {
    body {
        padding-top: 60px !important;
    }
    .main-navbar {
        min-height: 50px;
    }
    .navbar-toggle {
        display: block;
    }
    .main-navbar ul {
        display: none; /* Collapsed by default */
        padding-top: 50px; /* Leave space for the bar and toggle button */
        padding-bottom: 10px;
    }
    .main-navbar ul.active {
        display: block;
    }
    .main-navbar li {
        display: block;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .main-navbar li:last-child {
        border-bottom: none;
    }
    .main-navbar li a {
        padding: 12px 20px;
    }
    .main-navbar li a#logoutButton {
        margin: 8px auto;
        width: 90%;
        display: block;
    }
}