/* Dropdown Submenu Styles */
@media (min-width: 992px) {
    /* Primo livello dropdown */
    .navbar-nav .dropdown:hover > .dropdown-menu {
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
        margin-top: 0;
    }
    .navbar-nav .dropdown-menu {
        transition: all 0.3s ease;
    }
    
    /* Secondo livello dropdown (submenu) */
    .dropdown-submenu {
        position: relative;
    }
    .dropdown-submenu > .dropdown-menu {
        top: 0;
        left: 100%;
        margin-top: -1px;
        margin-left: 0;
        min-width: 250px;
        display: none;
        opacity: 0;
        visibility: hidden;
    }
    .dropdown-submenu:hover > .dropdown-menu {
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    .dropdown-submenu > a i {
        float: right;
        margin-top: 3px;
        margin-left: 10px;
    }
    
    /* Stile voci submenu */
    .dropdown-menu .dropdown-menu {
        background: #fff;
        box-shadow: 0 10px 30px rgba(0,0,0,0.15);
        border-radius: 5px;
        border: none;
    }
    .dropdown-menu .dropdown-menu li a {
        padding: 12px 20px;
        font-size: 14px;
        color: #333;
        display: block;
        border-bottom: 1px solid #f5f5f5;
    }
    .dropdown-menu .dropdown-menu li:last-child a {
        border-bottom: none;
    }
    .dropdown-menu .dropdown-menu li a:hover {
        background: #7AB800;
        color: #fff;
    }
}

/* Mobile submenu */
@media (max-width: 991px) {
    .dropdown-submenu > .dropdown-menu {
        display: none;
        padding-left: 20px;
    }
    .dropdown-submenu.open > .dropdown-menu {
        display: block;
    }
}