#hc-is-uyum {
    max-width: 650px;
    margin: 20px auto;
    padding: 30px;
    background: #ffffff;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    font-family: 'Inter', sans-serif;
    border: 1px solid #e1e8ed;
}

#hc-is-uyum .hc-header h3 {
    color: #2c3e50;
    font-size: 24px;
    border-left: 5px solid #2c3e50;
    padding-left: 15px;
}

#hc-is-uyum .hc-form-row {
    display: flex;
    gap: 20px;
    margin-top: 25px;
}

#hc-is-uyum .hc-form-group {
    flex: 1;
}

#hc-is-uyum .hc-btn {
    background: #2c3e50;
    border-radius: 5px;
    margin-top: 10px;
}

#hc-is-uyum .hc-btn:hover {
    background: #1a252f;
}

#hc-is-uyum .hc-result {
    border-radius: 5px;
    background: #f8f9fa;
    border: 1px solid #dee2e6;
}

#hc-is-uyum .hc-result-value {
    color: #27ae60;
}

@media (max-width: 480px) {
    #hc-is-uyum .hc-form-row {
        flex-direction: column;
    }
}