.extension-main-wrapper {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    margin-top: 10px;
}

.forumsidebar {
    flex: 0 0 170px; 
    background: transparent;
    padding: 15px;
    border: 1px solid #dbdbdb;
    border-radius: 5px;
    /* --- Option Scroll "Sticky" --- */
    position: -webkit-sticky; 
    position: sticky;
    top: 10px; 
    max-height: calc(100vh - 20px); 
    overflow-y: auto; 
}

.forum-content-right {
    flex: 1; 
    min-width: 0; 
}

.sidebartitle {
    font-size: 1.2em;
    border-bottom: 2px solid #105289;
    margin-bottom: 10px;
    padding-bottom: 5px;
}

.forumsidebar ul {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
}

/* Sidebar lists */
.forumsidebar ul {
    list-style: none;
    padding: 0;
    margin-bottom: 25px;
}

/* Links */
.forumsidebar ul li a {
    display: block;
    padding: 8px 12px;
    color: #333; 
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.2s ease-in-out; 
    border-left: 3px solid transparent; 
    margin-bottom: 2px;
}

/* Hover Effect */
.forumsidebar ul li a:hover {
    background-color: #eef5f9; 
    color: #105289; 
    padding-left: 18px; 
    border-left: 3px solid #105289; 
}

/* Section title */
.sidebartitle {
    font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;
    font-size: 1.1em;
    font-weight: bold;
    text-transform: uppercase;
    color: #105289;
    /*padding: 5px 0;
    border-bottom: 1px solid #ced1d5;*/
    margin: 15px 0 10px 0;
    background-color: hsl(206, 39%, 88%);
    border-color: hsl(222, 25%, 41%) hsl(222, 25%, 41%) hsl(222, 25%, 41%) hsl(222, 37%, 58%);
    border-style: solid;
    border-width: 1px 1px 1px 3px;
    padding: .25rem;
}

/* --- Mobile (Hide Sidebar) --- */
@media (max-width: 900px) { 
    .forumsidebar {
        display: none !important; 
    }

    .extension-main-wrapper {
        display: block; 
    }

    .forum-content-right {
        width: 100%; 
    }
}