.user-menu .dropdown-menu {
    right: 0 !important;
    left: auto !important;
    position: absolute !important;
    top: 100% !important;
    z-index: 1050 !important;
    max-width: 320px;
    min-width: 220px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}