/* Mobile Menu Styles */
#main-nav .submenu {
    display: none;
    padding-left: 15px;
}

#main-nav .sub-submenu {
    display: none;
    padding-left: 15px;
}

#main-nav .menu-toggle,
#main-nav .submenu-toggle {
    position: relative;
}

#main-nav .menu-toggle:after,
#main-nav .submenu-toggle:after {
    content: '+';
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    transition: transform 0.3s ease;
}

#main-nav .menu-toggle.active:after,
#main-nav .submenu-toggle.active:after {
    transform: translateY(-50%) rotate(45deg);
}

#main-nav .submenu.active,
#main-nav .sub-submenu.active {
    display: block;
}

#main-nav .submenu a,
#main-nav .sub-submenu a {
    padding: 10px 15px;
    display: block;
    color: #333;
    font-size: 14px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

#main-nav .submenu > li > a {
    font-weight: 600;
}

#main-nav .sub-submenu > li > a {
    padding-left: 25px;
}

/* Dark mode adjustments */
.dark #main-nav .submenu a,
.dark #main-nav .sub-submenu a {
    color: #fff;
    border-bottom-color: rgba(255,255,255,0.05);
}