body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

.sidebar {
    height: 100vh;
    width: 220px;
    position: fixed;
    top: 0;
    left: 0;
    background-color: #f8f9fa;
    padding-top: 2rem;
    border-right: 1px solid #dee2e6;
    z-index: 1000;
}

.container {
    margin-left: 220px; /* Abstand zum linken Menü */
    padding: 2rem;
}

@media (max-width: 768px) {
    .sidebar {
        position: relative;
        width: 100%;
        height: auto;
        border-right: none;
    }
    .content {
        margin-left: 0;
    }
}