/**
 * RD Returns Calculator
 */
#rd-calculator-pro-tool {
    padding: 30px;
    border-radius: 6px;
    border: 1px solid #e1e1e1;
    margin: 20px auto;
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.08);
}
#rd-calculator-pro-tool h2 { text-align: center; margin-top: 0; margin-bottom: 25px; color: #333; }
#rd-calculator-pro-tool .form-grid { display: grid; gap: 20px 30px; }
#rd-calculator-pro-tool .form-group { margin-bottom: 0; }
#rd-calculator-pro-tool .form-group.full-width { grid-column: 1 / -1; }
#rd-calculator-pro-tool label { display: block; margin-bottom: 8px; font-size: 13px; color: #333; }
#rd-calculator-pro-tool .input-group { display: flex; }
#rd-calculator-pro-tool input[type="number"],
#rd-calculator-pro-tool select { width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; font-weight: 500; }
#rd-calculator-pro-tool .checkbox-group { display: flex; align-items: center; gap: 10px; padding-top: 15px; }
#rd-calculator-pro-tool .calculator-actions { display: flex; gap: 10px; margin-top: 25px; flex-wrap: wrap; }
#rd-calculator-pro-tool .calculator-button {
    flex: 1; padding: 12px; border: none; border-radius: 4px; color: white;
    font-size: 13px; cursor: pointer; transition: background-color 0.3s ease, transform 0.1s ease;
    min-width: 120px;
}
#rd-calculator-pro-tool .calculator-button:active { transform: scale(0.98); }
#rd-calculator-pro-tool #calculateBtn { background-color: #1e73be; }
#rd-calculator-pro-tool #calculateBtn:hover { background-color: #165a94; }
#rd-calculator-pro-tool #resetBtn { background-color: #6c757d; }
#rd-calculator-pro-tool #resetBtn:hover { background-color: #5a6268; }
#rd-calculator-pro-tool #printBtn, #rd-calculator-pro-tool #exportBtn { background-color: #28a745; display: none; }
#rd-calculator-pro-tool #printBtn:hover, #rd-calculator-pro-tool #exportBtn:hover { background-color: #218838; }
#rd-calculator-pro-tool .error-message {
    color: #d9534f; background-color: #f2dede; border: 1px solid #ebccd1;
    padding: 12px; border-radius: 4px; margin-top: 15px; display: none;
    grid-column: 1 / -1;
}
#rd-calculator-pro-tool .results-container { margin-top: 30px; display: none; animation: fadeIn 0.5s ease-in-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
#rd-calculator-pro-tool .results-summary { display: grid; grid-template-columns: 250px 1fr; gap: 30px; align-items: center; }
#rd-calculator-pro-tool .chart-container { position: relative; height: 250px; width: 250px; margin: 0 auto; }
#rd-calculator-pro-tool .summary-details { padding: 20px; background-color: #f8f9fa; border-radius: 8px; }
#rd-calculator-pro-tool .summary-details h3 { margin: 0 0 15px 0; font-size: 18px; color: #333; }
#rd-calculator-pro-tool .summary-details p { margin: 12px 0; font-size: 14px; display: flex; justify-content: space-between; }
#rd-calculator-pro-tool .summary-details p span { color: #1e73be; word-break: break-all; text-align: right; padding-left: 10px; }
#rd-calculator-pro-tool .breakdown-section { margin-top: 30px; }
#rd-calculator-pro-tool table { width: 100%; border-collapse: collapse; margin-top: 15px; }
#rd-calculator-pro-tool th, #rd-calculator-pro-tool td { padding: 10px 12px; text-align: right; font-size: 13px; word-break: break-word; }
#rd-calculator-pro-tool th { background-color: #f2f2f2; text-align: right; border-bottom: 2px solid #ddd; }
#rd-calculator-pro-tool td { border-bottom: 1px solid #eee!important; }
#rd-calculator-pro-tool tr:last-child td { border-bottom: none; }
#rd-calculator-pro-tool td:first-child, #rd-calculator-pro-tool th:first-child { text-align: center; }
@media (max-width: 768px) {
    #rd-calculator-pro-tool { padding: 20px; }
    #rd-calculator-pro-tool .form-grid { grid-template-columns: 1fr; }
    #rd-calculator-pro-tool .checkbox-group { padding-top: 0; }
    #rd-calculator-pro-tool .results-summary { grid-template-columns: 1fr; gap: 20px; }
    #rd-calculator-pro-tool .chart-container { height: 220px; width: 220px; }
    #rd-calculator-pro-tool .calculator-actions { flex-direction: column; }
    #rd-calculator-pro-tool table, #rd-calculator-pro-tool thead, #rd-calculator-pro-tool tbody, #rd-calculator-pro-tool th, #rd-calculator-pro-tool td, #rd-calculator-pro-tool tr { display: block; }
    #rd-calculator-pro-tool thead tr { position: absolute; top: -9999px; left: -9999px; }
    #rd-calculator-pro-tool tr { border: 1px solid #ddd; border-radius: 6px; margin-bottom: 10px; background: #fdfdfd; }
    #rd-calculator-pro-tool td { border: none; border-bottom: 1px solid #eee; position: relative; padding-left: 50%; text-align: right; }
    #rd-calculator-pro-tool td:last-child { border-bottom: none; }
    #rd-calculator-pro-tool td:before { position: absolute; top: 50%; transform: translateY(-50%); left: 10px; width: 45%; padding-right: 10px; white-space: nowrap; content: attr(data-label); text-align: left; color: #555; }
    #rd-calculator-pro-tool .summary-details p { font-size: 14px; }
}