.wpc-calculator-wrapper {
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 24px;
    max-width: 500px;
    margin: 0 auto;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.wpc-info-note {
    font-size: 13px;
    color: #64748b;
    margin-bottom: 16px;
}

.wpc-field-group {
    margin-bottom: 16px;
}

.wpc-field-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: #1e293b;
}

.wpc-field-group select,
.wpc-field-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 14px;
}

.wpc-price-box {
    background-color: #f8fafc;
    border-left: 4px solid #0284c7;
    padding: 16px;
    margin-top: 20px;
    border-radius: 4px;
}

.wpc-price-box h4 {
    margin: 8px 0 0 0;
    font-size: 20px;
    color: #0f172a;
}

.wpc-excuse-alert {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
    padding: 12px;
    border-radius: 6px;
    margin-top: 15px;
}

.wpc-btn-primary, .wpc-btn-secondary {
    padding: 10px 18px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    margin-top: 10px;
}

.wpc-btn-primary { background-color: #0284c7; color: #fff; }
.wpc-btn-secondary { background-color: #475569; color: #fff; }