.roy-finance-calculator {
    border: 1px solid #dcdcde;
    border-radius: 8px;
    padding: 20px;
    margin: 24px 0;
    background: #fff;
}
.roy-finance-calculator h3 { margin-top: 0; }
.roy-finance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 14px;
}
.roy-finance-calculator label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-weight: 600;
}
.roy-finance-calculator input,
.roy-finance-calculator select,
.roy-finance-calculator textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 9px 10px;
    border: 1px solid #8c8f94;
    border-radius: 4px;
}
.roy-finance-calculator button {
    padding: 9px 14px;
    border: 0;
    border-radius: 4px;
    cursor: pointer;
}
.roy-finance-result {
    margin-top: 14px;
    padding: 12px;
    background: #f6f7f7;
    border-radius: 4px;
    font-weight: 600;
}
.roy-finance-error { color: #b32d2e; }
.roy-finance-row {
    display: grid;
    grid-template-columns: 1.2fr 1fr auto;
    gap: 8px;
    margin-bottom: 8px;
    align-items: end;
}