.kb-speurtocht {
    max-width: 800px;
    margin: 40px auto;
}

.kb-speurtocht-intro, .kb-speurtocht-complete {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    text-align: center;
}

.kb-button {
    display: inline-block;
    padding: 12px 32px;
    background: #4CAF50;
    color: white !important;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s;
}

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

.kb-button-large {
    padding: 16px 48px;
    font-size: 18px;
    font-weight: bold;
}

.kb-speurtocht-progress {
    background: #f5f5f5;
    padding: 20px;
    border-radius: 8px;
    margin: 24px 0;
}

.kb-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.kb-progress-bar {
    height: 12px;
    background: #e0e0e0;
    border-radius: 6px;
    overflow: hidden;
}

.kb-progress-fill {
    height: 100%;
    background: #4CAF50;
    transition: width 0.3s ease;
}

.kb-opdracht-card {
    background: #fff;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 24px;
}

.kb-opdracht-card.completed {
    border-color: #4CAF50;
    background: #f1f8f4;
}

.kb-opdracht-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 14px;
    color: #666;
}

.kb-opdracht-nummer {
    font-weight: bold;
}

.kb-opdracht-vraag {
    font-size: 16px;
    margin: 16px 0;
}

.kb-opdracht-answer {
    margin-top: 20px;
    display: flex;
    gap: 8px;
}

.kb-answer-input {
    flex: 1;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 16px;
}

.kb-check-button, .kb-hint-button {
    padding: 12px 24px;
    background: #2196F3;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

.kb-hint-button {
    background: #FF9800;
}

.kb-opdracht-feedback {
    margin-top: 16px;
    padding: 12px;
    border-radius: 6px;
}

.kb-opdracht-feedback.success {
    background: #d4edda;
    color: #155724;
}

.kb-opdracht-feedback.error {
    background: #f8d7da;
    color: #721c24;
}

.kb-form-group {
    margin-bottom: 20px;
    text-align: left;
}

.kb-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.kb-form-group input[type="text"] {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 16px;
}