.pbl-refund-form-container {
    padding: 20px;
    max-width: 600px;
    margin: 0 auto;
}

.pbl-refund-header {
    margin-bottom: 20px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 10px;
}

.pbl-refund-header h2 {
    margin: 0;
    padding: 0;
    color: #23282d;
}

#pbl-refund-message {
    display: none;
    padding: 10px 15px;
    margin-bottom: 20px;
    border-radius: 4px;
}

#pbl-refund-message.success {
    background-color: #dff0d8;
    border: 1px solid #d6e9c6;
    color: #3c763d;
}

#pbl-refund-message.error {
    background-color: #f2dede;
    border: 1px solid #ebccd1;
    color: #a94442;
}

.pbl-refund-amounts {
    background: #f9f9f9;
    border: 1px solid #e5e5e5;
    border-radius: 4px;
    padding: 15px;
    margin-bottom: 20px;
}

.pbl-amount-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.pbl-amount-row:last-child {
    border-bottom: none;
}

.pbl-amount-row.highlight {
    background: #fff;
    padding: 12px 15px;
    margin: 10px -15px -15px;
    border-radius: 0 0 4px 4px;
    font-weight: bold;
}

.pbl-refund-fields {
    margin-bottom: 20px;
}

.pbl-field-row {
    margin-bottom: 15px;
}

.pbl-field-row label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.pbl-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.currency-symbol {
    position: absolute;
    left: 10px;
    color: #666;
}

#refund_amount {
    padding-left: 25px;
    width: 150px;
}

#refund_reason {
    width: 100%;
    min-height: 80px;
}

.pbl-form-actions {
    text-align: right;
    border-top: 1px solid #ddd;
    padding-top: 20px;
    margin-top: 20px;
}

.pbl-form-actions .button {
    margin-left: 10px;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    appearance: textfield;
    -moz-appearance: textfield;
}

#TB_window.thickbox-loading {
    visibility: hidden;
}

#TB_window.thickbox-loading iframe {
    visibility: visible;
}

/* Fix background and scrolling in iframe */
body.wp-admin.modal-open {
    background: #fff;
}

/* Remove margins in iframe context */
body.wp-admin.modal-open .wrap.pbl-refund-form-container {
    margin: 0;
    padding: 15px;
}