.hc-calculator#hc-pan-size {
    background: #fff;
    border: 1px solid #ffd54f;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}

.hc-result-value {
    color: #f57f17;
    font-size: 1.8em;
}

.hc-result-note {
    font-size: 0.9em;
    color: #795548;
    margin-top: 15px;
    padding-top: 10px;
    border-top: 1px solid #ffe0b2;
}