.tlp-estimator-wrapper {
    max-width: 480px;
    margin: 1.5rem auto;
    padding: 1.5rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: #ffffff;
}

.tlp-estimator-row {
    margin-bottom: 1rem;
}

.tlp-estimator-row label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.tlp-estimator-row input,
.tlp-estimator-row select {
    width: 100%;
    padding: 0.5rem;
    box-sizing: border-box;
}

.tlp-estimator-result {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #ddd;
}