.sip-calculator-wrap {
    max-width: 420px;
    border: 1px solid #e1e1e1;
    padding: 16px;
    border-radius: 8px;
    background: #fff;
    font-family: Arial, Helvetica, sans-serif;
}
.sip-title { margin: 0 0 12px 0; font-size: 18px; }
.sip-row { margin-bottom: 10px; display: flex; flex-direction: column; }
.sip-row label { font-size: 13px; margin-bottom: 6px; color: #333; }
.sip-row input { padding: 8px; font-size: 14px; border: 1px solid #ccc; border-radius: 4px; }
.sip-btn { padding: 8px 12px; margin-right: 6px; cursor: pointer; border-radius: 4px; border: 1px solid #2c7be5; background: #2c7be5; color: #fff; }
.sip-reset { background: #f5f5f5; color: #333; border: 1px solid #ccc; margin-left: 8px; }
.sip-result p { margin: 8px 0; font-size: 14px; }