.royaldeco-calc-container {
    background: #f9f9f9;
    border: 1px solid #e2e2e2;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}
.royaldeco-calc-container h3 {
    margin-top: 0;
    margin-bottom: 5px;
    font-size: 1.25rem;
    color: #222;
}
.royaldeco-calc-subtitle {
    font-size: 0.88rem;
    color: #666;
    margin-bottom: 15px;
}
.royaldeco-calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}
.royaldeco-calc-field label {
    display: block;
    font-weight: 600;
    margin-bottom: 5px;
    font-size: 0.9rem;
}
.royaldeco-calc-field input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
}
.royaldeco-calc-margin-option {
    margin-bottom: 15px;
    font-size: 0.88rem;
    color: #444;
}
.royaldeco-calc-summary {
    background: #fff;
    border: 1px dashed #cccccc;
    padding: 12px 15px;
    border-radius: 6px;
}
.royaldeco-summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
    font-size: 0.92rem;
}
.royaldeco-summary-item:last-child {
    margin-bottom: 0;
}
.royaldeco-total-price {
    border-top: 1px solid #eee;
    padding-top: 8px;
    margin-top: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    color: #d9534f;
}