/* Dark theme: header & dropdown */
body.dark .header {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

body.dark .user-dropdown {
    background-color: #2d2d2d;
    border: 1px solid #444;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

body.dark .dropdown-item {
    color: #e6e6e6;
}

body.dark .dropdown-item:hover {
    background-color: #3d3d3d;
}