.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #1e293b;
    color: white;
    padding: 12px 24px;
    font-family: sans-serif;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.logo {
    font-size: 1.2rem;
    font-weight: bold;
}
.user-menu {
    position: relative;
    cursor: pointer;
}
.user-menu span {
    font-weight: 500;
}
.user-menu .dropdown-toggle {
    font-family: inherit;
    color: white;
}
.dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    background-color: white;
    color: black;
    min-width: 120px;
    border: 1px solid #ddd;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    z-index: 10;
}
.user-menu .dropdown-menu a {
    display: block;
    padding: 8px 12px;
    text-decoration: none;
    color: black;
}
.dropdown-menu a:hover {
    background-color: #f3f4f6;
}