/* Dark Sidebar Design */
    #sidenav-1 {
        background-color: #2c3e50 !important; /* Dunkles Blau-Grau */
        color: #ecf0f1;
    }
    
    /* Links im Ruhezustand */
    .sidenav-link {
        color: #bdc3c7 !important;
        font-size: 0.95rem;
    }
    
    /* Hover & Active States */
    .sidenav-link:hover, .sidenav-link:focus {
        background-color: #34495e !important;
        color: #fff !important;
    }
    
    /* Überschriften (Trenner) */
    .sidenav-heading {
        color: #95a5a6;
        text-transform: uppercase;
        font-size: 0.75rem;
        font-weight: bold;
        letter-spacing: 1px;
        padding: 1.5rem 1.5rem 0.5rem;
    }

    /* Icons Farben */
    .sidenav-link i {
        color: #3498db; /* Akzentfarbe für Icons */
    }
    
    /* Logout Rot */
    .logout-link i, .logout-link span {
        color: #e74c3c !important;
    }

    /* User Info Box oben */
    .user-info-box {
        background-color: #1a252f;
        padding: 20px;
        margin-bottom: 10px;
        border-bottom: 1px solid #34495e;
    }