#fb-sidebar { width: 260px; background:#fff; padding:8px 0; border-right:1px solid #ddd; }
.fb-menu-item { display:flex; align-items:center; padding:8px 16px; border-radius:8px; text-decoration:none; color:#050505; margin:2px 0; transition: background 0.2s; }
.fb-menu-item:hover { background:#f0f2f5; }
.fb-menu-item img.avatar { width:32px; height:32px; border-radius:50%; margin-right:10px; }
.fb-label { font-size:15px; font-weight:500; }
.fb-groups-header { font-size:13px; font-weight:600; color:#65676b; padding:4px 16px; margin-top:10px; }
.fb-more { font-weight:600; color:#1877f2; }
.sidebar-logo img { max-height:32px; display:block; margin:0 auto 10px auto; }