html {
  font-size: 100%;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

ol,
ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

body,
p,
h1,
h2,
h3,
h4,
h5,
h6,
span,
a,
button {
  font-family: 'Montserrat', sans-serif;
}

.alert-icon {
  max-width: 1.5rem;
  max-height: 1.5rem;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

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

.btn-icon {
  border: 0;
  background-color: transparent;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

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

.font-sigmar-one {
  font-family: 'Sigmar One', cursive !important;
}

/* Custom */

.modal {
  background: rgba(17, 22, 36, 0.5);
}

.modal-custom {
  border-radius: 35px;
}

.text-blue-custom {
  color: var(--blue) !important;
}

.text-primary-custom {
  color: var(--primary) !important;
}

.input-custom {
  padding: 0.75rem;
  border-radius: 2px;
  border: 0.5px solid var(--neutral-09);
}

.input-custom::placeholder {
  color: var(--neutral-09);
}

.btn-custom {
  padding: 0.75rem 2rem;
  color: #fff;
  border-radius: 10px;
  border: 1px solid #fff;
  background: var(--red-main);
  box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.1);
}

.btn-custom:hover {
  color: var(--red-main);
  background-color: #fff;
  border-color: var(--red-main);
}

.radio-btn-custom {
  accent-color: var(--red-main);
}

::-webkit-scrollbar {
  width: 6px;
  background-color: #F5F5F5;
}


::-webkit-scrollbar-thumb {
  -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, .3);
  background-color: rgba(255, 255, 255, .4);
}

/* Start: Responsive tablet for Room and Forum */
.isRoomAndForum {
  height: calc(100vh - 64px);
}

#app .isRoomAndForum .sidebar-main {
  height: 100%;
}

.headerTopScroll {
  position: sticky;
  top: 0;
  z-index: 100;
}

.headerTopScroll .header-menu .col-4 img#logo-web {
  /* max-width: 100%;
  object-fit: contain; */
}

.unitTitle {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.banner-main>div>img {
  height: 200px !important;
}
.btn-disabled {
  pointer-events: none;
  opacity: 0.6;
  background-color: #e3a2a2;
}

/* End: Responsive tablet for Room and Forum */
@media (max-width: 1200px) {
  .children-opacity {
    height: 40px;
  }

  .header-nav>div>ul>li {
    margin: 0 1px !important;
  }

  .header-nav>div>ul>li span {
    padding: 1px 2px !important;
    margin: 0 1px !important;
  }

  /* text-red-main */
  /* .video-instruction {
    margin-right: 2px !important;
  } */

  #dropdownMenuButton1 {
    padding: 3px !important;
    margin: 0 2px !important;
  }

  .leader-board {
    padding: 0 12vh;
  }

  .banner-main>div>img {
    height: 170px !important;
  }

  #navbarSupportedContent {
    background-color: unset !important;
  }

  .promotion-item .promotion-item-image img {
    min-height: unset !important;
  }

  .chatroom {
    padding: 12px;
  }

  .chatroom .search-chatroom {
    padding-right: 0px;
  }

  .chatroom .chatroom-list {
    margin-top: 8px;
  }

  .chatroom .border-padding-chatroom {
    padding: 4px 0 8px 10px;
  }

  .forum {
    padding: 16px;
  }

  .forum .border-padding-forum {
    padding: 4px;
  }

  .forum .forum-list ul {
    margin-top: 0px;
  }

  .isRoomAndForum .forum-list-group span.fw-semibold {
    margin-top: 8px;
    margin-left: 8px;
  }

  .forum .forum-list-group {
    padding-top: 16px;
  }

  .payment-wrap {
    padding: 20px;
  }

  .payment-method-button {
    width: 100%;
  }

  .register-rightside {
    padding: 1.5rem !important;
  }

  .register-leftside {
    padding: 1.5rem !important;
  }

  .modal-subject-icon-wrap {
    padding: 0.3rem !important;
  }

  .modal-content .modal-test {
    padding: 0.8rem !important;
  }

  .ap-course-detail-wrap {
    padding: 24px;
  }

  .ap-course-title {
    font-size: 1.5rem;
  }

  .card-yellow-lg-tag::before,
  .card-red-sm-tag::before,
  .card-blue-lg-tag:before {
    background-size: contain;
    width: 60px;
    height: 60px;
  }

  .course-item-outside,
  .classes-item-outside {
    padding: 20px;
    border-radius: 20px;
  }

  .lesson-content {
    padding: 30px;
    gap: 10px;
  }

  section.proficiency-assessment {
    padding: 16px;
  }

  section.test-result {
    padding: 16px;
  }

  .slide-item-text-content {
    font-size: 1.813rem;
  }

  .register_wrapper .register_right {
    padding: 25px 84px;
  }

  .register_form .form_item .item_input {
    padding: 8px;
  }

  .register_form .form_item .item_label {
    margin-bottom: 6px;
  }

  .register_form .form_item {
    margin-bottom: 10px;
  }

  .register_button {
    padding: 6px 16px;
    margin-bottom: 15px;
  }

  .chatroom .text-truncate {
    max-width: 60px !important;
  }

  /* a.video-instruction-link, */
  a.register-button-link {
    padding: 8px 8px !important;
  }

  .documentWrap {
    overflow-x: auto;
  }

  .header-menu .header-menu-ul {
    top: 64px !important;
    left: 0;
    z-index: 101;
    box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.1);
    background-color: white;
    border-top: solid 1px rgba(0, 0, 0, 0.1);
  }

  .header-menu .header-menu-ul>ul>li {
    margin: 0px 16px !important;
  }

  .headerTopScroll .header-menu .navbar {
    position: unset;
  }

  .header-nav .header-menu-ul>ul>li>div span,
  .header-nav .header-menu-ul>ul>li>a span {
    font-size: 0.8rem !important;
  }
}

@media (max-width: 1050px) {
  .left_banner_image {
    object-fit: fill !important;
  }
}

@media (max-width: 992px) {
  .children-opacity {
    height: 35px;
  }

  html {
    font-size: 12px;
  }

  .testimonial-form-container {
    padding: 14px;
  }

  .banner-main>div>img {
    height: 160px !important;
  }

  #navbarSupportedContent {
    background-color: white !important;
  }

  .forum {
    padding: 4px;
  }

  .forum .forum-list-group {
    padding-top: 8px;
  }

  .content-container {
    padding: 8px;
  }

  .card-yellow-lg-tag::before,
  .card-red-sm-tag::before,
  .card-blue-lg-tag:before {
    background-size: contain;
    width: 50px;
    height: 50px;
  }

  .course-item-outside,
  .classes-item-outside {
    padding: 10px;
    border-radius: 30px;
  }

  .register_wrapper .register_right {
    padding: 30px;
  }

  .lesson-content {
    padding: 15px;
    gap: 5px;
  }

  .btn-repeat {
    padding: 8px;
  }

  /* .header-menu .header-menu-ul {
    top: 64px !important;
    left: 0;
    z-index: 101;
    box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.1);
    background-color: white;
    border-top: solid 1px rgba(0, 0, 0, 0.1);
  }

  .header-menu .header-menu-ul>ul>li {
    margin: 0px 16px !important;
  }

  .headerTopScroll .header-menu .navbar {
    position: unset;
  }

  .header-nav .header-menu-ul>ul>li>div span,
  .header-nav .header-menu-ul>ul>li>a span {
    font-size: 0.8rem !important;
  } */

  .curriculum-video,
  .ap-course-video {
    height: 300px;
  }

  .exerciseSubjectWrap {
    min-width: 200px;
  }

}

@media (max-width: 768px) {
  .children-opacity {
    height: 25px;
  }

  html {
    font-size: 10px;
  }

  .header-menu .header-menu-ul>ul {
    flex-direction: column;
  }

  .navToggleMobile {
    position: absolute;
    right: 20px;
  }

  .banner-main>div>img {
    height: 150px !important;
  }

  .exerciseSubjectWrap {
    min-width: 150px;
  }

  .promotion-group {
    max-width: 300px;
  }
}

@media (max-width: 576px) {
  .children-opacity {
    height: 15px;
  }

  html {
    font-size: 8px;
  }

  .header-menu .header-menu-ul>ul {
    flex-direction: column;
  }

  .navToggleMobile {
    position: absolute;
    right: 20px;
  }

  .banner-main>div>img {
    height: 130px !important;
  }
}