* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background-color: #f4f4f4;
}

.container {
    display: flex;
    height: 100vh;
}

/* Linkerkant */
.sidebar {
    width: 220px;
    background-color: #1f2933;
    padding: 20px;
    color: white;
}

.sidebar h2 {
    margin-bottom: 20px;
    font-size: 20px;
}

.menu-btn {
    display: block;
    padding: 12px;
    margin-bottom: 10px;
    background-color: #3b82f6;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.menu-btn:hover {
    background-color: #2563eb;
}

/* Rechterkant */
.content {
    flex: 1;
    padding: 40px;
}