/* Basis styling */
body {
    font-family: sans-serif;
    margin: 20px;
}

h1 {
    text-align: center;
    margin-bottom: 30px;
}

.vergelijker-container {
    display: flex;
    justify-content: space-around;
    gap: 20px;
}

.kolom {
    border: 1px solid #ccc;
    padding: 15px;
    border-radius: 5px;
    width: 30%; /* Standaard breedte voor 3 kolommen */
    background-color: #f9f9f9;
}

.kolom h2 {
    margin-top: 0;
    text-align: center;
}

.kolom label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.kolom input[type="text"],
.kolom input[type="number"],
.kolom select {
    width: calc(100% - 12px); /* Houd rekening met padding */
    padding: 5px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 3px;
}

.kolom input[type="checkbox"] {
    margin-right: 5px;
}

.kolom .resultaat {
    margin-top: 15px;
    padding-top: 10px;
    border-top: 1px solid #eee;
    font-weight: bold;
}

.kolom button {
    display: block;
    width: 100%;
    padding: 10px;
    margin-top: 15px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

.kolom button:hover {
    background-color: #45a049;
}

.provider-select {
    margin-bottom: 15px;
}