/* SIDEBAR */

#S2 {
    flex: 1 1 0;
    min-width: 0;
    max-width: 250px;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 14px;
    color: #2d3538;
    background: #e3e0d8;
    border-radius: 8px;
    padding: 8px;
    overflow-wrap: break-word;
    box-sizing: border-box;
}

/* Sidebar blocks */
#S2 .block { padding: 15px; background: #4a5357; color: #fff; margin-bottom: 5px; border-radius: 6px; }
#S2 .block h3 { font-size: 17px; font-weight: 400; margin-bottom: 8px; font-family: 'El Messiri', sans-serif; }

/* Menu */
#S2 ul { list-style: none; padding-left: 0; margin: 0; }
#S2 li { position: relative; margin-bottom: 5px; }
#S2 li > a { display: block; font-weight: 700; font-size: 14px; color: #aee1f6; text-decoration: none; padding: 6px 10px; border-radius: 4px; }
#S2 li > a:hover { background: #2d3538; color: #fffacd; text-decoration: underline; }

/* Submenu with SVG arrow */
#S2 li.has-sub > a {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
#S2 li.has-sub > a .arrow {
    width: 14px;
    height: 14px;
    fill: currentColor;
    margin-left: 6px;
    transition: transform 0.3s ease;
}
#S2 li.has-sub.active > a {
    background: #2f3437;
    border-radius: 4px;
    color: #aee1f6;
}
#S2 li.has-sub.active > a .arrow { 
    transform: rotate(90deg); }

#S2 li.has-sub .sub-menu {
    display: block;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease, margin 0.3s ease;
    padding-left: 0;
    margin-top: 0;
}

#S2 li.has-sub.active .sub-menu {
    max-height: 1000px; /* large safe value */
    padding-left: 15px;
    margin-top: 4px;
    background: #3a3f42; 
    border-radius: 4px; 
}
#S2 li .sub-menu li a { 
    font-size: 13px; 
    font-weight: 400; 
    color: #fffacd; 
    text-decoration: none; 
    padding: 4px 8px; 
    border-radius: 4px; 
    transition: background 0.2s; 
}
#S2 li .sub-menu li a:hover {
    background: rgba(255,255,255,0.1);
}