.converter-link {
    display: inline-block;
    margin: 10px 0;
    color: #0073aa;
    font-weight: bold;
    cursor: pointer;
    text-decoration: underline;
}

.popup-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.popup-content {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    width: 90%;
    max-width: 400px;
    text-align: center;
    position: relative;
}

.close-popup {
    position: absolute;
    top: 10px; right: 15px;
    font-size: 24px;
    cursor: pointer;
}

.popup-content h4 {
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: bold;
}

.field-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 10px 0;
}

.field-row label {
    font-weight: bold;
    font-size: 16px;
    width: 80px;
    text-align: left;
}

.field-row input {
    width: calc(100% - 100px);
    padding: 10px;
    font-size: 14px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

hr {
    border: none;
    border-top: 1px solid #eee;
    margin: 10px 0;
}

@media (max-width: 480px) {
    .popup-content {
        width: 95%;
    }
    .field-row {
        flex-direction: column;
        align-items: flex-start;
    }
    .field-row label {
        margin-bottom: 5px;
    }
    .field-row input {
        width: 100%;
    }
}