.user-menu {
    position: relative;
    display: inline-block;
}

.username-btn {
    background: none;
    border: none;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.username-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background-color: #2c2f33;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
    border-radius: 4px;
    overflow: hidden;
}

.user-menu:hover .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    color: #ddd;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    transition: background-color 0.3s;
}

.dropdown-menu a:hover {
    background-color: #40444b;
    color: #fff;
}