/*
 * Shared styles for theme navigation dropdowns with nested menu items.
 *
 * @copyright   2000-2026 XOOPS Project (www.xoops.org)
 * @license     GNU GPL 2.0 or later (https://www.gnu.org/licenses/gpl-2.0.html)
 * @author      XOOPS Development Team
 */

.dropdown-submenu {
    position: relative;
}
.dropdown-submenu > .dropdown-menu {
    top: -0.35rem;
    left: calc(100% - 0.15rem);
    margin-top: 0;
    display: none;
}
.dropdown-submenu.is-open > .dropdown-menu {
    display: block;
}
.dropdown-submenu > .dropdown-toggle::after {
    display: inline-block;
    transform: rotate(-90deg);
    margin-left: 0.5em;
}

/* Desktop: hover to open */
@media (hover: hover) and (min-width: 992px) {
    .dropdown-submenu:hover > .dropdown-menu {
        display: block;
    }
}

/* Mobile: stack vertically */
@media (max-width: 991.98px) {
    .dropdown-submenu > .dropdown-menu {
        position: static;
        margin-left: 1rem;
        border: none;
        box-shadow: none;
    }
}