/* Algemene styling */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f6f9;
    color: #333;
}

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

/* Sidebar styling */
.sidebar {
    width: 250px;
    background-color: #0078d4;
    color: white;
    padding: 20px;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
}

.sidebar h1 {
    font-size: 24px;
    margin-bottom: 20px;
}

.sidebar nav ul {
    list-style: none;
    padding: 0;
}

.sidebar nav ul li {
    margin: 15px 0;
}

.sidebar nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 16px;
}

.sidebar nav ul li a:hover {
    text-decoration: underline;
}

/* Content styling */
.content {
    flex: 1;
    padding: 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

header h2 {
    font-size: 28px;
    margin: 0;
}

.statistics {
    margin-bottom: 20px;
}

.statistics h3 {
    font-size: 22px;
    color: #0078d4;
    border-bottom: 2px solid #0078d4;
    padding-bottom: 5px;
    margin-bottom: 15px;
}

.card {
    background-color: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 10px;
    transition: transform 0.2s ease-in-out;
}

.card:hover {
    transform: scale(1.05);
}

.card h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.card p {
    font-size: 16px;
    color: #555;
}