/* Algemene opmaak */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

/* Navigatiebalk bovenaan */
header {
    background-color: #004080;
    color: white;
    padding: 1rem;
    text-align: center;
    font-size: 1.2rem;
}

/* Navigatieknoppen onderaan */
nav {
    position: fixed;
    bottom: 0;
    width: 100%;
    background-color: #004080;
    display: flex;
    justify-content: space-around;
    padding: 0.5rem 0;
}

nav button {
    background: none;
    border: none;
    color: white;
    font-size: 1rem;
    cursor: pointer;
}

/* Secties */
section {
    display: none;
    padding: 1rem;
}

section.active {
    display: block;
}

/* Kaarten voor inhoud */
.card {
    background-color: white;
    border-radius: 5px;
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Tabellen */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

table th, table td {
    border: 1px solid #ccc;
    padding: 0.5rem;
    text-align: left;
}

table th {
    background-color: #e0e0e0;
}

/* Responsief gedrag */
@media (max-width: 600px) {
    header {
        font-size: 1rem;
    }

    nav button {
        font-size: 0.9rem;
    }

    .card {
        padding: 0.8rem;
    }
}