h1 {
    text-align: center;
    font-weight: bold;
}

h4 {
    color: #2673ad;
}

.hb-html-content.hb-note {
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 4px;
    padding: 15px 20px;
    margin-top: 20px;
    font-size: 14px;
    width: 100%;
}

.general-information-category {
    display: flex;
    flex-direction: column;
}

.general-information-category .radio-inline {
    display: flex;
    column-gap: 5px;
}

.general-information-title {
    display: flex;
    position: relative;
    width: 80%;
}

.general-information-title .radio-inline {
    display: flex;
    column-gap: 5px;
}

#total_cell {
    text-align: right;
}

h4 label {
    font-size: 24px;
}

form h4,
form h4 label {
    margin-bottom: 0px !important;
}

.wire_transfer_description {
    display: none;
}

.wire_transfer_payment_description {
    display: none;
}

.income_blur {
    opacity: 0.5;
    background: #ddd;
}

button:disabled {
    background-color: #ccc;
    /* Màu nền xám nhạt */
    color: #666;
    /* Màu chữ xám đậm */
    cursor: not-allowed;
    /* Biểu tượng chuột bị khóa */
    opacity: 0.6;
    /* Làm mờ nút */
    border: 1px solid #aaa;
    /* Đổi màu viền */
}

#registration_button {
    margin: auto;
    display: block;
    background: #335ebe;
    color: #fff;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    display: flex;
    align-items: center;
    column-gap: 5px;
    padding: 10px 25px !important;
}

.spinner {
    border: 2px solid #f3f3f3;
    /* Light gray */
    border-top: 2px solid #3498db;
    /* Blue */
    border-radius: 50%;
    width: 12px;
    height: 12px;
    animation: spin 1s linear infinite;
    display: inline-block;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.online_payment_description,
.wire_transfer_description {
    background: rgba(119, 147, 209, 0.5);
    color: #000;
    padding: 15px;
}

#totalData {
    width: 1px;
    height: 1px;
    background: transparent;
    border: none;
}

.help-block.error-help-block {
    font-size: 14px;
    color: red;
}

.attach_section {
    padding: 15px;
}

td.total-data {
    width: 100%;
}

.other-specify input#titleOther {
    position: relative;
}

.other-specify {
    display: flex;
    align-items: center;
}

.other-specify .form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 0px;
}

.general-information-title {
    align-items: center;
    justify-content: space-between;
}

.form-control.col-md-12,
#country {
    margin-left: 0px;
}

#conference_checklist {
    height: 1px;
}

.dietary-radio {
    display: flex;
    position: relative;
    column-gap: 15px;
}

.dietary-wrapper .radio-inline {
    padding-top: 0px;
    display: flex;
    align-items: center;
    column-gap: 5px;
}

table thead th,
table tr td {
    border: 1px solid #000;
    padding: 10px;
}

table td p {
    margin-bottom: 0px;
}

#conference_checklist_item-error {
    padding-left: 0px;
}

#conference-fee-table {
    margin: 0px;
}

#conference_checklist_item_error .form-group {
    margin-bottom: 0px;
}

#conference_checklist_item-error {
    color: red;
}

.quantity-person {
    display: flex;
    align-items: center;
    border-top: none !important;
    border-right: none !important;
}

input[name="conference_checklist_item"] {
    margin: auto;
    display: block;
}

table {
    border-color: #ddd;
}

label,
p {
    font-size: 14px;
}

table p {
    font-size: 14px;
}

.quantity-person input {
    width: 50px;
    height: 30px;
    margin-left: 15px;
}

tfoot tr td {
    border: none !important;
}

#total-label {
    text-align: right;
    color: red;
    font-weight: bold;
}

#local_registration_table {
    display: none;
}

.vertical-wrapper .radio-list {
    display: flex;
    flex-direction: column;
}

#insert_paper_id_section {
    display: none;
}

.forInternational {
    display: none;
}

/* Validation Error Styles */
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
    border-color: #e74c3c;
    box-shadow: 0 0 0 0.2rem rgba(231, 76, 60, 0.25);
}

.form-group.has-error label {
    color: #e74c3c;
}

.help-block.error-help-block {
    color: #e74c3c;
    font-size: 12px;
    margin-top: 5px;
    display: block;
}

.form-group.has-error .radio-list,
.form-group.has-error .checkbox-list {
    border: 1px solid #e74c3c;
    border-radius: 4px;
    padding: 10px;
    background-color: #fdf2f2;
}

/* Required field indicators */
.form-group label span[style*="color:red"],
.form-group label sup[style*="color:red"] {
    color: #e74c3c !important;
}

/* Success state */
.form-group.has-success input,
.form-group.has-success select,
.form-group.has-success textarea {
    border-color: #27ae60;
    box-shadow: 0 0 0 0.2rem rgba(39, 174, 96, 0.25);
}