/* Algemene styling */
body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: #f4f4f9;
    color: #333;
    margin: 0;
    padding-left: 280px; /* Ruimte voor het vaste menu */
}

.verborgen {
    display: none !important;
}

/* --- Hoofdmenu links --- */
.hoofd-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 260px;
    height: 100%;
    background: #2c3e50; /* Donkerblauw */
    color: #ecf0f1;
    padding: 20px;
    box-shadow: 3px 0 15px rgba(0, 0, 0, 0.2);
    text-align: center;
    overflow-y: auto;
}

.hoofd-menu .menu-knop {
    display: block;
    width: 100%;
    color: white;
    padding: 12px;
    margin-bottom: 10px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    text-decoration: none;
    cursor: pointer;
    background-color: #3498db;
    transition: background-color 0.2s;
}
.hoofd-menu .menu-knop:hover {
    background-color: #2980b9;
}

.hoofd-menu h3,
.hoofd-menu p {
    color: white;
}

.hoofd-menu hr {
    border: none;
    border-top: 1px solid #4a6572;
    margin: 20px 0;
}

/* --- Hoofdinhoud (AANGEPAST) --- */
.main-content {
    padding: 20px;
}

.container {
    max-width: 650px; /* Verkleind voor een compacter uiterlijk */
    margin: auto;
    background: white;
    padding: 20px 30px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 2em; /* Iets kleiner gemaakt */
    color: #2c3e50;
    text-align: center;
}
h2 {
    color: #2c3e50;
    text-align: center;
}

/* Keuzemenu styling */
.knoppen-groep { display: flex; justify-content: center; gap: 15px; margin-top: 10px; flex-wrap: wrap;}
.type-knop, .getal-knop { flex: 1; min-width: 120px; padding: 12px; font-size: 16px; border: 2px solid #3498db; background-color: white; color: #3498db; border-radius: 8px; cursor: pointer; transition: all 0.2s ease; }
.type-knop:hover, .getal-knop:hover, .type-knop.active, .getal-knop.active { background-color: #3498db; color: white; }
.optie-groep label { display: block; margin-top: 15px; font-weight: bold; }
.optie-groep select { width: 100%; padding: 10px; margin-top: 5px; font-size: 16px; border-radius: 5px; border: 1px solid #ccc; }
.genereer-knop { display: block; width: 100%; padding: 15px; margin-top: 20px; font-size: 18px; font-weight: bold; background-color: #2ecc71; color: white; border: none; border-radius: 8px; cursor: pointer; }
.genereer-knop:hover { background-color: #27ae60; }

/* Checkboxes */
#moeilijkheid-checkboxes { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; background-color: #ecf0f1; padding: 15px; border-radius: 5px; margin-top: 5px; }
.checkbox-container { display: flex; align-items: center; }
.checkbox-container input { margin-right: 8px; width: 18px; height: 18px; }
.checkbox-container label { margin-top: 0; font-weight: normal; }
.checkbox-container.disabled { color: #95a5a6; cursor: not-allowed; text-decoration: line-through; }
.checkbox-container.disabled label { cursor: not-allowed; }


/* --- NIEUWE STIJLEN VOOR TAFEL-OPTIES --- */
#tafel-checkboxes {
    display: grid;
    grid-template-columns: repeat(5, 1fr); /* 5 kolommen voor tafels 1-10 */
    gap: 10px;
    background-color: #ecf0f1;
    padding: 15px;
    border-radius: 5px;
    margin-top: 5px;
}

.radio-groep {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 10px;
    background-color: #ecf0f1;
    padding: 15px;
    border-radius: 5px;
}
.radio-container {
    display: flex;
    align-items: center;
}
.radio-container input {
    margin-right: 8px;
}
.radio-container label {
    margin: 0;
    font-weight: normal;
}