.dropdown-submenu {
    position: relative;
}

/* Level 3 (flyout submenu) */
.dropdown-submenu > .dropdown-menu {
    display: none !important;
    top: -1px;
    left: 100%;
    margin-top: 0;
    margin-left: 2px;
    border-radius: 8px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    border: none;
    padding: 8px 0;
    opacity: 0;
    transform: translateX(-6px);
    transition: opacity 0.15s ease, transform 0.15s ease;
    max-height: 70vh;
    overflow-y: auto;
    overflow-x: hidden;
}

.dropdown-submenu > .dropdown-menu.show {
    display: block !important;
    opacity: 1;
    transform: translateX(0);
}

.dropdown-submenu.flip-left > .dropdown-menu {
    left: auto;
    right: 100%;
    margin-left: 0;
    margin-right: 2px;
    transform: translateX(6px);
}
.dropdown-submenu.flip-left > .dropdown-menu.show {
    transform: translateX(0);
}

.dropdown-submenu > .dropdown-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.dropdown-submenu > .dropdown-toggle::after {
    transform: rotate(-90deg);
    margin-left: 10px;
}
.dropdown-submenu.flip-left > .dropdown-toggle::after {
    transform: rotate(90deg);
}

.dropdown-submenu > .dropdown-item.active,
.dropdown-submenu > .dropdown-item:hover {
    background-color: #f5f6fa;
}

/* Level 2 (dropdown utama) - TIDAK dibatasi tinggi/scroll */
.dropdown-menu {
    border-radius: 8px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    border: none;
    padding: 8px 0;
}

.dropdown-item small {
    white-space: normal;
}

/* Scrollbar tipis khusus untuk level 3 */
.dropdown-submenu > .dropdown-menu::-webkit-scrollbar {
    width: 6px;
}
.dropdown-submenu > .dropdown-menu::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}
.dropdown-submenu > .dropdown-menu::-webkit-scrollbar-thumb:hover {
    background: #aaa;
}

@media (max-width: 991px) {
    .dropdown-submenu > .dropdown-menu {
        position: static !important;
        left: 0;
        right: auto;
        margin: 0 0 0 15px;
        box-shadow: none;
        border-left: 2px solid #eee;
        border-radius: 0;
        transform: none !important;
        opacity: 1 !important;
        max-height: none;
        overflow-y: visible;
    }
}