.nav-link {
    position: relative;
    transition: all 0.3s ease;
}
.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: currentColor;
    transition: width 0.3s ease;
}
.nav-link:hover::after {
    width: 100%;
}
.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-menu {
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}
.mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}
.mobile-menu.open {
    max-height: 1000px;
    transition: max-height 0.5s ease-in;
}
.badge {
    font-size: 0.65rem;
    top: -0.5rem;
    right: -0.5rem;
}
.avatar-ring {
    box-shadow: 0 0 0 2px white, 0 0 0 4px #3B82F6;
}