.usps-tt-card {
    max-width: 600px;
    margin: 50px auto;
    padding: 30px;
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
    font-family: system-ui, -apple-system, Arial, sans-serif;
}

.usps-tt-card h1 {
    text-align: center;
    font-size: 24px;
    margin-bottom: 25px;
}

.usps-tt-card label {
    margin-top: 14px;
    font-weight: 600;
    display: block;
}

.usps-tt-card input,
.usps-tt-card select {
    width: 100%;
    padding: 12px;
    margin-top: 6px;
    border-radius: 10px;
    border: 1px solid #ccc;
    font-size: 15px;
}

.usps-tt-card button {
    margin-top: 24px;
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 14px;
    background: #003f88;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
}

.usps-tt-card button:hover {
    background: #002e66;
}

#output {
    margin-top: 22px;
    padding: 18px;
    background: #f4f9ff;
    border-radius: 14px;
    font-weight: 600;
    line-height: 1.7;
}

.disclaimer {
    margin-top: 16px;
    font-size: 13px;
    color: #666;
}

@media (max-width: 480px) {
    .usps-tt-card {
        padding: 22px;
    }
}