h1 {
  text-align: center;
  font-weight: bold;
}
h4 {
  color: #2673ad;
}
.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: 10px;
}

#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: 20px;
}

#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);
}