.header-form-setup-question {
    background: #218D20;
    height: 56px;
    padding: 0 15px;
}

.name-header {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 1000px;
    margin: 0 auto;
}

.name-header h2 {
    color: #FFFFFF;
    font-size: 20px;
    font-weight: 700;
    text-align: center;
}

.header-form-setup-question .close-page-dark {
    background: transparent;
    top: 5px;
    right: 5px;
}

.header-form-setup-question .close-page-dark img {
    filter: brightness(9);
    transform: scale(.9);
}
.box-timeline-question {
    display: inline-flex;
    align-items: center;
    height: 52px;
    padding: 12px;
    border: 1px solid #DD0D3A;
    border-radius: 6px;
    gap: 0 8px;
}

.box-timeline-question .icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    background: #F52447;
}

.box-timeline-question .text {
    color: #DD0D3A;
    font-size: 18px;
    font-weight: 700;
}
.flex-progress-user-question {
    display: flex;
    align-items: center;
    gap: 0 36px;
}
.flex-progress-user-question .right-table {
    display: flex;
    align-items: center;
    gap: 4px;
}
.flex-progress-user-question .right-table .number {
    color: #218D20;
    font-size: 15px;
    font-weight: 700;
}
.flex-progress-user-question .right-table .line-progress-category {
    width: 148px;
}

.ct-box-student-lesson {
    margin-bottom: 39px;
    position: relative;
}

.ct-box-student-lesson:last-child {
    margin: 0;
}

.ct-box-student-lesson .header-box .box-title {
    position: absolute;
    top: 0;
    left: 0;
    background: #218d20;
    display: inline-flex;
    align-items: center;
    height: 32px;
    border-radius: 12px 0px 12px 0px;
    padding: 0 12px;
    z-index: 2;
}

.ct-box-student-lesson .header-box {}

.ct-box-student-lesson .header-box .box-title .name {
    color: #fff;
    font-weight: 400;
    font-size: 13px;
}

.box-content-tl p {
    color: rgba(0, 0, 0, 1);
    font-size: 15px;
    font-weight: 400;
}

.box-content-tl {
    margin-bottom: 28px;
}

.grid-image-setup {
    display: grid;
    align-items: center;
    /* justify-content: center; */
}

.item-picture-setup {
    border: 1px solid rgba(224, 227, 233, 1);
    border-radius: 6px;
    width: 100%;
    height: 245px;
    overflow: hidden;
}

.item-picture-setup .picture {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.item-picture-setup .picture img {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    bottom: 0;
    right: 0;
    margin: auto;
    object-fit: contain;
}

.grid-column-2 {grid-template-columns: 1fr 1fr;gap: 16px;}

.grid-column-3 {
    grid-template-columns: repeat(3,1fr);
    gap: 16px;
}

.ct-box-student-lesson .row>[class*='col-'] {
    margin-bottom: 12px;
}


.ct-box-student-lesson .bottom-box {
    background: rgba(218, 226, 234, 1);
    position: relative;
    bottom: 0;
    width: 100%;
    left: 0;
    border-radius: 0 0 12px 12px;
    display: flex;
    align-items: center;
    padding: 15px 52px;
}

.ct-box-student-lesson .bottom-box .right-bottom {
    display: flex;
    align-items: center;
    margin-left: auto;
}

.ct-box-student-lesson .bottom-box .left-bottom {
    margin-right: 12px;
}

.box-report {
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
}
.box-report svg path {
    fill: rgba(28, 43, 51, 1);
}

.box-report .ntf-report {
    position: absolute;
    top: 1px;
    left: 3px;
    background: rgba(255, 50, 50, 1);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    z-index: 1;
}
.box-report svg path {
    transition: all .3s;
}

.box-report:hover svg path {
    fill: #f52447;
}

.ct-box-student-lesson .bottom-box .right-bottom .box-check-type label {
    flex-direction: row-reverse;
}

.ct-box-student-lesson .bottom-box .right-bottom .box-check-type label .name-text {
    color: rgba(28, 43, 51, 1);
    font-size: 15px;
    top: 3px;
    margin: 0;
    margin-right: 8px;
}

.ct-box-student-lesson .bottom-box .right-bottom .box-check-type label .checked {
    right: 0;
    left: auto;
}

.ct-box-student-lesson .main-box {
    padding: 48px 52px;
    background: rgba(255, 255, 255, 1);
    border-radius: 12px;
    position: relative;
    z-index: 1;
}

.ct-box-student-lesson .bottom-box:before {
    content: '';
    position: absolute;
    top: -10px;
    left: 0;
    width: 100%;
    height: 20px;
    background: rgba(218, 226, 234, 1);
}
.title-popup-question {
    display: flex;
    align-items: center;
    padding: 0 12px;
}

.close-popup-question {
    margin-left: auto;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.flex-blank-question {
    display: inline-flex;
    border-bottom: 1px solid rgba(211, 123, 0, 1);
    gap: 0 4px;
}

.flex-blank-question .text {
    color: rgba(211, 123, 0, 1);
    font-size: 15px;
    font-weight: 400;
    min-width: 80px;
}
.flex-blank-question .arrow {
    height: 20px;
}
.popup-choose-question-blank {
    position: absolute;
    top: calc(100% + 5px);
    box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(224, 227, 233, 1);
    background: rgba(255, 255, 255, 1);
    z-index: 1;
    border-radius: 12px;
    padding: 6px 0;
}

.close-popup-question svg path {
    transition: all .3s;
}

.close-popup-question:hover svg path {
    fill: rgba(228, 68, 87, 1);
}
.flex-blank-question .check-answer-wrong,.flex-blank-question .check-answer-correct {
    display: none;
}
.item-question-answer .check-answer-wrong {
    display: none;
}

.item-question-answer .check-answer-correct {
    display: none;
}

.flex-blank-question.answer-correct .check-answer-correct {
    display: inline-flex;
}

.flex-blank-question.answer-correct .text {
    color: rgba(27, 189, 105, 1);
}

.flex-blank-question.answer-correct {
    border-color: rgba(27, 189, 105, 1);
}
.flex-blank-question.answer-wrong .check-answer-wrong {
    display: inline-flex;
}

.flex-blank-question.answer-wrong .text {
    color: rgba(228, 68, 87, 1);
}

.flex-blank-question.answer-wrong {
    border-color: rgba(228, 68, 87, 1);
}

.flex-blank-question.answer-correct .check-answer-correct {
    display: inline-flex;
}

.flex-blank-question.answer-correct .text {
    color: rgba(27, 189, 105, 1);
}

.flex-blank-question.answer-correct {
    border-color: rgba(27, 189, 105, 1);
}
.flex-blank-question.answer-wrong .check-answer-wrong {
    display: inline-flex;
}

.flex-blank-question.answer-wrong .text {
    color: rgba(228, 68, 87, 1);
}

.flex-blank-question.answer-wrong {
    border-color: rgba(228, 68, 87, 1);
}
.main-popup-choose-question {
    max-height: 288px;
    overflow-y: auto;
    padding: 6px 12px;
}

.list-choose-question .ct-check-radio-style input:checked~label .name-text {
    color: rgba(211, 123, 0, 1);
}
.btn-comment .btn-text-icon .icon {
    width: 24px;
    height: 24px;
    transform: translate(0);
}
.ntf-comment {
    position: absolute;
    top: 1px;
    left: 3px;
    background: rgba(255, 50, 50, 1);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    z-index: 1;
}
.btn-comment {
    position: relative;
    padding-right: 36px;
}

.btn-comment:before {
    content: '';
    position: absolute;
    top: 2px;
    right: 18px;
    background: rgba(169, 172, 176, 1);
    width: 1px;
    height: 20px;
}

.box-total-point-lesson p {
    color: rgba(28, 43, 51, 1);
    font-size: 15px;
    font-weight: 400;
}

.box-total-point-lesson {
    position: relative;
    display: flex;
    align-items: center;
}

/* .box-total-point-lesson:before {
    content: '';
    position: absolute;
    top: 6px;
    right: 18px;
    background: rgba(169, 172, 176, 1);
    width: 1px;
    height: 20px;
} */

.box-total-point-lesson p .number {
    color: rgba(221, 13, 58, 1);
    font-weight: 700;
    line-height: 22px;
}

.box-view-answer-tsl {
    gap: 4px;
    display: flex;
    align-items: center;
    height: 32px;
    border: 1px solid rgba(179, 189, 199, 1);
    border-radius: 100px;
    padding: 4px;
}
.switch-btn {
    position: relative;
    display: flex;
    align-items: center;
}

.switch-btn .switch {
    position: relative;
    display: inline-block;
    width: 42px;
    height: 22px;
    margin-bottom: 0;
    border-radius: 90px;
    background: #E2E7ED;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-btn .txt {
    font-weight: 600;
    font-size: 14px;
    line-height: 22px;
    color: #A4AFC0;
    margin-left: 6px;
}

.switch .slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color:rgba(223, 225, 230, 1);
    border-radius: 90px;
    -webkit-transition: .4s;
    -o-transition: .4s;
    transition: .4s;
}

.switch .slider:before {
    position: absolute;
    content: "";
    left: 2px;
    bottom: 2px;
    width: 18px;
    height: 18px;
    background: #fff;
    border-radius: 50%;
    transition: .4s;
}

.switch input:checked+.slider {
    background-color: #006402;;
}

.switch input:checked+.slider:before {
    transform: translateX(20px);
}

.switch-btn:checked~.txt {
    color: #414B5B;
}
.btn-comment.btn-comment .btn-text-icon {
    position: relative;
    display: flex
    ;
}
.box-view-answer-tsl .text {
    font-size: 15px;
    font-weight: 500;
}
.btn-comment .btn-text-icon .text {
    color: rgba(28, 43, 51, 1);
}
.list-choose-question .ct-check-radio-style label .name-text {
    font-weight: 400;
    color: rgba(28, 43, 51, 1);
    top: 1px;
    margin-left: 8px;
}
.main-popup-choose-question::-webkit-scrollbar {
  width: 4px;
}

.main-popup-choose-question::-webkit-scrollbar-track {
  background: transparent;
}

.main-popup-choose-question::-webkit-scrollbar-thumb {
    border-radius:90px;
  background: rgba(217, 217, 217, 1);
}

.list-choose-question .box-check-type {
    margin-bottom: 10px;
}

.list-choose-question .box-check-type label {
    align-items: center;
}

.list-choose-question .box-check-type label .checked {
    top: 50%;
    transform: translateY(-50%);
}
.list-choose-question .box-check-type.active .check {
    opacity: 0;
    visibility: hidden;
}

.list-choose-question .box-check-type.active .checked {
    opacity: 1;
    visibility: visible;
}

.list-choose-question .box-check-type.active .name-text {
    color: rgba(211, 123, 0, 1);
}
.tab-lesson-kq {
    margin-bottom: 20px;
    position: relative;
}
.list-tab-lesson-kq {
    display: flex;
    align-items: center;
    gap: 0 52px;
    position: relative;
    padding: 12px 20px 4px 20px;
    background: #fff;
    border-top-left-radius: 8px;
    margin-left: 2px;
}
.tab-lesson-kq:before {
    mask-composite: exclude;
    width: 450px;
    content: "";
    position: absolute;
    top: -2px;
    left: 0;
    right: -2px;
    background: linear-gradient(90deg, #006402 52.32%, rgba(79, 79, 183, 0) 100%);
    border-radius: 10px 10px 0 0;
    height: 20px;
    z-index: -1;
}
.tab-lesson-kq:after {
    transform: rotate(0);
    mask-composite: exclude;
    width: 2px;
    content: "";
    position: absolute;
    top: 14px;
    left: 0;
    right: 2px;
    background: linear-gradient(180deg, #006402 0%, rgba(79, 79, 183, 0) 100%);
    border-radius: 10px 10px 0 0;
    height: 100%;
}

.item-tab-lesson-kq {
    background: #fff;
}
.item-tab-lesson-kq .text {
    color: rgba(133, 141, 154, 1);
    font-size: 16px;
    font-weight: 400;
    transition: all .3s;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.item-tab-lesson-kq .icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.item-tab-lesson-kq a.text:before {
    content: '';
    position: absolute;
    bottom: -4px;
    width: 0;
    height: 2px;
    background: #006402;
    transition: all .3s;
}
.item-tab-lesson-kq .text:hover:before,.item-tab-lesson-kq.active .text:before {
    width: 100%;
}

.item-tab-lesson-kq .text:hover,.item-tab-lesson-kq.active .text{
    color: #006402
}

.item-tab-lesson-kq.active .text {
    font-weight: 700;
}

.item-question-answer .title {
    display: inline-flex;
    align-items: center;
    background: #EBEFF3;
    padding: 6px 8px 10px 8px;
    border-radius: 6px 6px 0 0;
    margin-bottom: -6px;
    transition: all .3s;
}

.item-question-answer .title p {
    color: #858D9A;
    font-size: 13px;
    font-weight: 400;
    line-height: 1.3;
}

.main-answer-image-text .text-answer {
    margin-bottom: 12px;
}

.item-question-answer {
    margin-bottom: 24px;
    position: relative;
}

.item-question-answer .title {
    display: inline-flex;
    align-items: center;
    background: #EBEFF3;
    padding: 6px 8px 10px 8px;
    border-radius: 6px 6px 0 0;
    margin-bottom: -6px;
    transition: all .3s;
}

.item-question-answer .title p {
    color: #858D9A;
    font-size: 13px;
    font-weight: 400;
    line-height: 1.3;
}
.item-tab-lesson-kq .icon svg path {
    transition: all .3s;
}
.item-tab-lesson-kq.active .icon svg path {
    fill: #006402
}
.item-tab-lesson-kq:hover .icon svg path {
    fill: #006402
}
.item-question-answer:hover .main-item-question-answer {
    border-color: #218D20;
}
.main-item-question-answer {
    border: 1px solid rgba(224, 227, 233, 1);
    background: #fff;
    border-radius: 8px;
    padding: 12px 16px;
    margin-top: 0;
    position: relative;
    transition: all .3s;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap:6px 8px;
}
.box-answer-column {
    flex: 1;
}
.flex-check-answer-radio {
    display: flex;
    align-items: center;
    gap: 0 16px;
    width: 140px;
    justify-content: flex-end;
}

.flex-check-answer-radio .box-check-type.ct-check-radio-style {
    width: auto;
    height: auto;
}

.flex-check-answer-radio .box-check-type label .name-text {
    top: 1px;
    margin-left: 8px;
}
.main-item-question-answer .item-picture-setup {
    border: none;
}

.box-answer-row {
    display: flex;
    align-items: center;
    gap: 0 16px;
    flex:1;
}

.box-answer-row .item-picture-setup {
    width: 162px;
    height: 132px;
}

.box-answer-row .box-answer-row  .main-answer-image-text {
    flex: 1;
}

.main-answer-image-text {
    flex: 1;
}

.main-item-question-answer .item-add-audio {
    width: 320px;
}

.main-answer-image-text .text-answer {
    margin-bottom: 12px;
}

.main-item-question-answer .box-check-type {
    position: relative;
    width: 20px;
    height: 20px;
}

.ct-checkbox-type .check {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 1px solid #CDD2DD;
    transition: all .3s;
}

.ct-checkbox-type .checked {
    background: #fff;
    border: 6px solid #F4A21D;
    width: 20px;
    height: 20px;
    border-radius: 4px;
}

.box-answer-column .item-picture-setup {
    height: 196px;
}

.box-answer-column .item-picture-setup .picture img {
    border-radius: 4px;
}

.box-answer-column .text-answer {
    margin-bottom: 12px;
}

.box-answer-column .text-answer:last-child {
    margin: 0;
}
.item-question-answer.active .title {
    border-color: #F4A21D;
    background: #F4A21D;
}
.item-question-answer.active .title p {
    color: #fff;
}
.item-question-answer:last-child {
    margin: 0;
}
.item-question-answer.active  .main-item-question-answer {
    border-color: #F4A21D;
}
.item-question-answer.active .check {
    opacity: 0;
    visibility: hidden;
}

.item-question-answer.active .checked {
    opacity: 1;
    visibility: visible;
}
.item-question-answer.answer-correct .title {
    background: rgba(27, 189, 105, 1);
}
.item-question-answer.answer-correct .title p {
    color: #fff;
}
.item-question-answer.answer-correct  .main-item-question-answer {
    border-color: rgba(27, 189, 105, 1);
}

.item-question-answer.answer-wrong .title {
    background: rgba(228, 68, 87, 1);
}
.item-question-answer.answer-wrong .title p {
    color: #fff;
}
.item-question-answer.answer-wrong  .main-item-question-answer {
    border-color: rgba(228, 68, 87, 1);
}
.checked-wrong {
    position: absolute;
    top: 0;
    left: 0;
    transition: all .3s;
    visibility: hidden;
    opacity: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.checked-correct {
    position: absolute;
    top: 0;
    left: 0;
    transition: all .3s;
    visibility: hidden;
    opacity: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.checked-answer-wrong .checked-wrong {
    opacity: 1;
    visibility: visible;
}
.ct-check-radio-style.checked-answer-correct .check {
    opacity: 0;
    visibility: hidden;
}
.ct-check-radio-style.checked-answer-wrong .check {
    opacity: 0;
    visibility: hidden;
}
.item-question-answer.answer-wrong {
    pointer-events: none;
}

.item-question-answer.answer-correct {
    pointer-events: none;
}

.checked-answer-correct .checked-correct{
    opacity: 1;
    visibility: visible;
}
.checked-answer-correct .check {
    opacity: 0;
    visibility: hidden;
}

.title-box-explain {
    display: inline-flex;
    align-items: center;
    background: #006402;;
    padding: 6px 8px 10px 8px;
    border-radius: 6px 6px 0 0;
    margin-bottom: -6px;
    transition: all .3s;
    gap: 0 4px;
}

.main-box-explain {
    background: #e6f1e6;
    border-radius: 8px;
    padding: 16px;
    margin-top: 0;
    position: relative;
    transition: all .3s;
}
.title-box-explain .icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.title-box-explain .text {
    color: #fff;
    text-transform: uppercase;
    font-size: 15px;
    font-weight: 400;
}

.content-explain p {
    font-size: 15px;
    font-weight: 400;
}

.content-explain {
    margin-bottom: 16px;
}

.main-box-explain .grid-image-setup {
    margin-bottom: 16px;
}

.grid-item-audio {
    display: grid;
}

.box-explain-question .item-add-audio {
    background: rgba(226, 230, 241, 1);
}
.main-box-explain-essay {
    border: 1px solid rgba(224, 227, 233, 1);
    border-radius: 6px;
    padding: 12px;
    overflow-y: auto;
    max-height: 400px;
}
.main-box-explain-essay::-webkit-scrollbar {
  width: 4px;
}

.main-box-explain-essay::-webkit-scrollbar-track {
  background: transparent;
}

.main-box-explain-essay::-webkit-scrollbar-thumb {
    border-radius:90px;
  background: rgba(217, 217, 217, 1);
}

.block-connect-answer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 64px;
    align-items: flex-start;
}

.column-connect {
    display: grid;
    gap: 20px;
}

.column-connect .item-question-answer {
    margin: 0;
    cursor: pointer;
}

.column-answer .grid-image-setup {
    gap: 20px;
}

.column-answer .grid-image-setup .item-picture-setup {
    border-radius: 8px;
    background: #F0F3F6;
    cursor: pointer;
    border-color: transparent;
    height:156px;
    position: relative;
}

.column-connect .item-question-answer .main-item-question-answer {
    background: #F0F3F6;
    border-color: transparent;
}

.column-connect .item-question-answer.active .main-item-question-answer {
    border-color: #F4A21D;
    background: #FFFDF9;
}

.column-connect .item-question-answer.active .item-add-audio {
    background: #FDF2E5;
}

.column-answer .grid-image-setup .item-picture-setup.active {
    border-color: #F4A21D;
    background: #FFFDF9;
}
@media (min-width:992px) and (max-width:1199px){
    .name-header {
        max-width: 870px;
    }
    .item-picture-setup {
        height: 220px;
    }
    .grid-item-audio.grid-column-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
}
@media (max-width:991px){

    .box-view-answer-tsl .text {
        font-size: 13px;
    }

    .btn-bg-icon.btn-purple .box-timeline-question .text {
        display: none;
    }

    .box-timeline-question {
        height: 44px;
        padding: 4px;
    }
}
@media (min-width:768px) and (max-width:991px){
    .bottom-form-setup-question .btn-bg-icon.btn-purple .text {
        display: none;
    }

    .grid-item-audio.grid-column-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    .flex-progress-user-question .right-table .line-progress-category {
        width: 108px;
    }
    .flex-progress-user-question {
        gap: 0 16px;
    }
    .name-header {
        max-width: 700px;
    }
    .name-header h2 {
        font-size: 18px;
    }
    .ct-box-student-lesson .main-box {
        padding: 48px 24px 32px 24px;
    }
    .ct-box-student-lesson .bottom-box {
        padding: 12px 24px;
    }
    .item-picture-setup {
        height: 200px;
    }
    .box-answer-column .item-picture-setup {
        height: 180px;
    }
    .block-connect-answer {
        gap: 0 42px;
    }
    
    .column-connect .item-question-answer .item-add-audio {
        width: 100%;
    }
    
    .column-connect .item-question-answer .main-item-question-answer .box-answer-row {
        display: block;
    }
    
    .column-answer .grid-image-setup .item-picture-setup {
        height: 160px;
    }

}
@media (min-width:576px) and (max-width:767px){
    .flex-check-answer-radio {
        width: 100%;
        padding-top: 10px;
        justify-content: flex-start;
    }
    .grid-item-audio.grid-column-3,.grid-item-audio.grid-column-2 {
        grid-template-columns: repeat(1, 1fr);
    }
    .ct-box-student-lesson .main-box {
        padding: 48px 16px 24px 16px;
    }
    .ct-box-student-lesson .bottom-box {
        padding: 12px 16px;
    }
    .flex-progress-user-question .right-table .line-progress-category {
        width: 108px;
    }
    .flex-progress-user-question {
        gap: 0 16px;
    }
    .name-header {
        max-width: 530px;
    }
    .name-header h2 {
        font-size: 18px;
    }
    .item-picture-setup {
        height: 175px;
    }
    .btn-comment {
        padding-right: 20px;
    }
    .btn-comment:before {
        right: 10px;
    }
    .box-total-point-lesson:before {
        right: 10px;
    }
    .main-item-question-answer .item-add-audio {
        width: 100%;
    }
    .box-answer-row .item-picture-setup {
        width: 150px;
        height: 120px;
    }
    .box-answer-row {
        align-items: flex-start;
    }
    .box-answer-column .item-picture-setup {
        height: 150px;
    }
}
@media (max-width:575px){
    .flex-check-answer-radio {
        width: 100%;
        padding-top: 10px;
        justify-content: flex-start;
    }
    .grid-item-audio.grid-column-3,.grid-item-audio.grid-column-2 {
        grid-template-columns: repeat(1, 1fr);
    }
    .list-tab-lesson-kq {
        gap: 0 18px;
        padding: 10px 6px 4px 10px;
        flex-wrap: nowrap;
        overflow-x: auto;
    }

    .tab-lesson-kq:before {
        width: 100%;
    }

    .item-tab-lesson-kq .text {
        font-size: 15px;
    }

    .item-tab-lesson-kq .icon {
        width: 20px;
        height: 20px;
    }

    .item-tab-lesson-kq {
        white-space: nowrap;
    }
    .box-content-tl:last-child {
        margin: 0;
    }
    .ct-box-student-lesson .main-box {
        padding: 48px 12px 16px 12px;
    }
    .ct-box-student-lesson .bottom-box {
        padding: 12px 12px;
        flex-wrap: wrap;
        gap: 8px;
        justify-content: space-between;
    }
    .box-view-answer-tsl .text {
        line-height: 1;
        width: 88px;
        margin-left: 3px;
    }

    .box-total-point-lesson p {
        font-size: 13px;
    }
    .btn-comment {
        padding-right: 20px;
    }
    .btn-comment:before {
        right: 10px;
    }
    .box-total-point-lesson:before {
        right: 10px;
    }

    .ct-box-student-lesson .bottom-box .right-bottom {
        margin-left: 0;
        flex-wrap: wrap;
    }
    .grid-image-setup.grid-column-3.grid-image-setup.grid-column-3 {
        gap: 12px;
        grid-template-columns: repeat(2, 1fr);
    }
    .item-picture-setup {
        height: 175px;
    }
    .name-header {
        max-width: 100%;
        text-align: left;
        justify-content: flex-start;
    }
    .name-header h2 {
        font-size: 16px;
        text-align: left;
    }

    .header-form-setup-question {
        padding-right: 40px;
    }
    .flex-progress-user-question .right-table .line-progress-category {
        width:60px;
    }
    .flex-progress-user-question {
        gap: 0 8px;
    }

    .flex-progress-user-question .box-user-avatar .content {
        display: none;
    }
    .item-add-picture .picture {
        height: 95px;
    }
    .main-item-question-answer .item-add-audio {
        width: 100%;
    }
    .box-answer-row .item-picture-setup {
        width: 150px;
        height: 120px;
    }
    .box-answer-row {flex-direction: column;align-items: flex-start;gap: 16px;}
    .box-answer-column .item-picture-setup {
        height: 150px;
    }
    .main-item-question-answer {
        padding: 12px;
        align-items: flex-start;
    }
}

@media (max-width:325px){
    .box-view-answer-tsl .text {
        display: none;
    }
}


/* Làm bài */


.title-block-part {
    position: relative;
    padding: 18px 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0 10px;
    align-items: center;
}

.title-block-part:before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
    width: calc(100% + 36px);
    height: 100%;
    padding: 18px 20px;
    border-radius: 12px 12px 0 0;
    background: linear-gradient(180deg, #DAE2EA 0%, rgba(218, 226, 234, 0) 100%);
    margin: auto;
    height: 300px;
}

.title-block-part .flex-part {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    flex: 1;
}

.title-block-part .text-decs {
    position: relative;
    color: rgba(28, 43, 51, 1);
    font-size: 15px;
    width: 100%;
}
.title-block-part .flex-part .label-number {
    border: 1px solid rgba(28, 43, 51, 1);
    border-radius: 6px;
    height: 32px;
    padding: 0 12px;
    display: inline-flex;
    align-items: center;
    color: rgba(28, 43, 51, 1);
    font-size: 15px;
    font-weight: 700;
}

.title-block-part .flex-part .name {
    flex: 1;
    color: rgba(28, 43, 51, 1);
    font-size: 18px;
    font-weight: 700;
    margin-left: 12px;
}

.block-part-lesson {
    margin-bottom: 52px;
}

.block-part-lesson:last-child {
    margin: 0;
}
.layout-page-student-lesson {
    display: flex;
    align-items: flex-start;
    gap: 0 48px;
    position: relative;
}

.sidebar-lesson {
    width: 150px;
    position: sticky;
    top: -15px;
    margin-left: -198px;
}

.list-number-question {
    grid-template-columns: repeat(3,1fr);
    gap: 6px;
    display: none;
    padding-top: 12px;
}

.item-number-question {
    height: 32px;
    width: 36px;
    border-radius: 6px;
    background: #ebeff3;
    border: 1px solid rgba(58, 84, 97, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all .3s;
}

.layout-sidebar-lesson {
    padding: 0 13px;
    background: #eaeff3;
    position: relative;
    top: 2px;
    border-radius: 13px 0 0 0;
    overflow-y: auto;
    max-height: calc(100vh - 180px);
    max-height: calc(100dvh - 180px);
}

.item-number-question .number {
    color: #1C2B33;
    font-size: 15px;
    transition: all .3s;
    line-height: 1;
}

.item-number-question:hover,.item-number-question.active {
    background: #218D20;
    border-color:#218D20;
}

.item-number-question:hover .number,.item-number-question.active .number {
    color: #ffff;
}
.item-number-question:hover,.item-number-question.is-answered {
    background: #218D20;
     border-color:#218D20;
}

.item-number-question:hover .number,.item-number-question.is-answered .number {
    color: #ffff;
}
.item-number-question.is-active {
    border-style: dashed;
    background: #ebeff3;
}

.item-number-question.is-active .number {
    color: #1C2B33;
}
.title-part-question-ls {
    display: flex;
    align-items: center;
    gap: 0 6px;
    cursor: pointer;
}

.title-part-question-ls .name {
    color: #1C2B33;
    font-size: 15px;
    font-weight: 700;
    flex: 1;
}

.title-part-question-ls .arrow {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: rotateX(0);
    transition: all .3s;
    transform-origin: center;
}

.box-number-question-ls.open-box .list-number-question {
    display: grid;
}

.box-number-question-ls.open-box .title-part-question-ls .arrow {
    transform: rotateX(180deg);
}

.box-number-question-ls {
    padding: 12px 0;
    border-bottom: 1px solid #C4C9D3;
}
.box-number-question-ls:last-child {
    border: none;
}
.sidebar-lesson:before {
    mask-composite: exclude;
    width: 100%;
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: -2px;
    background: linear-gradient(90deg, #218D20 52.32%, rgba(79, 79, 183, 0) 100%);
    border-radius: 10px 10px 0 0;
    height: 34px;
    z-index: -1;
}

.sidebar-lesson:after {
    transform: rotate(0);
    mask-composite: exclude;
    width: 2px;
    content: "";
    position: absolute;
    top: 8px;
    left: 0;
    right: 2px;
    background: linear-gradient(180deg, #218D20 52.32%, rgba(79, 79, 183, 0) 100%);
    border-radius: 10px 10px 0 0;
    height: 100%;
}
.layout-sidebar-lesson::-webkit-scrollbar {
    width: 4px;
  }
  .layout-sidebar-lesson.layout-sidebar-lesson::-webkit-scrollbar-track {
    background: transparent;
  }
  .layout-sidebar-lesson::-webkit-scrollbar-thumb {
    border-radius:90px;
    background: rgb(181 181 181);
  }.nav-sidebar-mobile {
    display: none;
}
.close-sidebar-mobile {
    display: none;
}
.bg-sidebar-mobile {
    display: none;
}
.column-answer .item-picture-setup.answer-wrong {
    border-color: rgba(228, 68, 87, 1);
    background: rgba(255, 248, 249, 1);
}

.column-answer .item-picture-setup .checked-correct,.column-answer .item-picture-setup .checked-wrong {
    left: auto;
    top: 4px;
    right: 4px;
}

.column-answer .item-picture-setup.answer-wrong .checked-wrong {
    opacity: 1;
    visibility: visible;
}

.column-answer .item-picture-setup.answer-correct .checked-correct {
    opacity: 1;
    visibility: visible;
}

.column-answer .item-picture-setup.answer-correct {
    border-color: rgba(27, 189, 105, 1);
    background: rgba(243, 255, 249, 1);
}

.column-connect .item-question-answer.answer-correct {}

.column-connect .item-question-answer.answer-correct .main-item-question-answer {
    border-color: rgba(27, 189, 105, 1);
    background: rgba(243, 255, 249, 1);
}

.column-connect .item-question-answer.answer-correct .main-item-question-answer .item-add-audio {
    background: rgba(218, 241, 230, 1);
}

.column-connect .item-question-answer.answer-wrong .main-item-question-answer {
    background: rgba(255, 248, 249, 1);
    border-color: rgba(228, 68, 87, 1);
}
.main-page-student-lesson {
    flex: 1;
}
.column-connect .item-question-answer.answer-wrong .main-item-question-answer .item-add-audio {
    background: rgba(240, 228, 229, 1);
}
.box-item-arrange-active {
    width: 100%;
    border-bottom: 1px dashed #A9ACB0;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding-bottom: 12px;
    margin-bottom: 12px;
}

.item-arrange {
    border: 1px solid #E0E3E9;
    border-radius: 6px;
    padding: 0 8px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all .3s;
    min-width: 50px;
}

.item-arrange .text {
    color: #1C2B33;
    font-size: 15px;
    line-height: 1.3;
    transition: all .3s;
}

.item-arrange:hover {
    background: #EBEFF3;
}

.item-arrange.active {
    background: #EBEFF3;
    height: 32px;
}

.box-list-item-arrange {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.box-list-item-arrange .item-arrange.active {
    height: 40px;
}.box-item-arrange-active {
    width: 100%;
    border-bottom: 1px dashed #A9ACB0;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding-bottom: 12px;
    margin-bottom: 12px;
}

.item-arrange {
    border: 1px solid #E0E3E9;
    border-radius: 6px;
    padding: 0 8px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all .3s;
    min-width: 50px;
}

.item-arrange .text {
    color: #1C2B33;
    font-size: 15px;
    line-height: 1.3;
    transition: all .3s;
}

.item-arrange:hover {
    background: #EBEFF3;
}

.item-arrange.active {
    background: #EBEFF3;
    height: 32px;
    cursor: pointer;
    border-color: transparent;
}

.box-list-item-arrange {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.box-correct-question-arrange {
    display: flex;
    align-items: flex-start;
}

.box-correct-question-arrange .icon {
    width: 14px;
    height: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    top: 3px;
}

.box-correct-question-arrange .name {
    flex: 1;
    margin-left: 8px;
    font-size: 15px;
    line-height: 1.3;
    color: #1C2B33;
}
.item-question-answer.answer-wrong .check, .item-question-answer.answer-correct .check {
    opacity: 0;
    visibility: hidden;
}
.item-question-answer.answer-wrong .item-arrange.item-wrong {
    background: rgba(248, 232, 234, 1);
}
.item-question-answer.item-question-ss .checked-correct,.item-question-answer.item-question-ss .checked-wrong {
    top: 31px;
    right: 5px;
    left: auto;
}
.item-number-question.item-review-question {
    border-style: dashed;
}
.list-choose-question .box-check-type:hover .name-text {
    color: rgba(211, 123, 0, 1);
}
.item-question-answer.answer-wrong .checked-wrong {
    opacity: 1;
    visibility: visible;
}
.item-question-answer.answer-correct .checked-correct {
    opacity: 1;
    visibility: visible;
}
.item-question-answer.answer-wrong .item-arrange.item-wrong .text {
    color: rgba(221, 13, 58, 1);
}
.box-list-item-arrange .item-arrange.active {
    height: 40px;
}
.select-choose-answer {
    width: 200px;
    position: relative;
    background: rgba(240, 243, 246, 1);
    border-radius: 6px;
    cursor: pointer;
}

.select-choose-answer select {
    width: 100%;
    background: transparent;
    height: 44px;
    padding: 0 10px;
    border: none;
    appearance: none;
    color: rgba(133, 141, 154, 1);
    font-size: 15px;
    border-radius: 6px;
    outline: none;
    padding-right: 36px;
    cursor: pointer;
    line-height: 44px;
}

.select-choose-answer .icon-select {
    position: absolute;
    top: 9px;
    right: 7px;
    pointer-events: none;
}

.select-choose-answer .icon-select img {
    filter: contrast(.1);
    transition: all .3s;
}

.select-choose-answer.active {
    background: #218d20;
}

.select-choose-answer.active select {
    color: #fff;
}

.select-choose-answer.active .icon-select img {
    filter: brightness(9);
}

.select-choose-answer.active select option {
    background: #fff;
    color: rgba(28, 43, 51, 1);
}
.answer-question-check-pl {
    display: flex;
    align-items: center;
    gap: 0 6px;
    width: 200px;
}

.answer-question-check-pl .checked-correct,.answer-question-check-pl .checked-wrong {
    position: relative;
    top: 0;
    left: 0;
    display: none;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
}

.item-question-answer.answer-correct .checked-correct {
    display: flex;
}

.answer-question-check-pl .checked-correct img, .answer-question-check-pl .checked-wrong img {
    width: 20px;
    height: 20px;
    object-fit: cover;
    object-position: center;
}

.answer-question-check-pl .text {
    flex: 1;
    font-size: 15px;
    font-weight: 400;
}

.item-question-answer.answer-correct .answer-question-check-pl .text {
    color: rgba(27, 189, 105, 1);
}

.item-question-answer.answer-wrong .checked-wrong {
    display: flex;
}

.item-question-answer.answer-wrong .answer-question-check-pl .text {
    color: rgba(228, 68, 87, 1);
}
.item-question-arrange-drag {
    border: 1px solid rgba(224, 227, 233, 1);
    border-radius: 6px;
    padding: 8px;
    display: flex;
    align-items: center;
    gap: 0 8px;
    margin-bottom: 16px;
    transition: all .3s;
    cursor: pointer;
}

.item-question-arrange-drag .stt {
    background: rgba(235, 239, 243, 1);
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(133, 141, 154, 1);
    font-size: 15px;
    font-weight: 700;
    transition: all .3s;
}

.item-question-arrange-drag .content-item {
    flex: 1;
}

.item-question-arrange-drag .content-item p {
    color: rgba(28, 43, 51, 1);
    font-size: 15px;
    font-weight: 400;
    line-height: 1.2;
    transition: all .3s;
}

.item-question-arrange-drag .box-drag {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 50%;
    transition: all .3s;
    background: transparent;
}
.item-question-arrange-drag:hover {
    background: rgba(235, 239, 243, 1);
}

.item-question-arrange-drag:hover .stt {
    background: #fff;
}

.item-question-arrange-drag:hover  .box-drag {
    background: rgba(244, 162, 29, 1);
}

.item-question-arrange-drag:hover .box-drag img {
    filter: brightness(9);
}

.item-question-arrange-drag .box-drag img {
    transition: all .3s;
    filter: brightness(1);
}
.box-keyword-bottom {
    padding-top: 12px;
    text-align: center;
}

.flex-keyword {
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    gap: 0 8px;
}

.flex-keyword .text {
    color: #006402;
    font-size: 15px;
    font-weight: 700;
}

.flex-keyword .arrow {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: rotateX(0);
    transition: all .4s;
}

.ct-input-keyword {
    width: 240px;
    margin: 0 auto;
    margin-top: 16px;
    display: none;
    position: relative;
}

.ct-input-keyword input {
    height: 52px;
    width: 100%;
    border: 1px solid rgba(224, 227, 233, 1);
    border-radius: 6px;
    padding: 0 28px;
    text-align: center;
    color: rgba(28, 43, 51, 1);
    font-size: 14px;
    text-transform: uppercase;
    font-weight: bold;
}

.ct-input-keyword input::placeholder {
    color: rgba(133, 141, 154, 1);
    font-weight:400;
}
.block-question-student-small {
    margin: 0 -52px;
padding: 0 52px;
border-top: 3px solid #218D20;
}

.block-question-student-small:first-child {
border: none;
}

.flex-title-question-small p {
border-radius: 0px 0px 8px 8px;
height: 32px;
margin-top: -3px;
background: #218D20;
display: inline-flex;
align-items: center;
justify-content: center;
padding: 0 12px;
color: #fff;
font-size: 15px;
font-weight: 500;
transition: all .3s;
}
.box-keyword-bottom.open-input .ct-input-keyword {
    display: block;
}
.item-question-arrange-drag.answer-correct {
    pointer-events: none;
    border-color: #1BBD69;
}

.item-question-arrange-drag.answer-correct .stt {
    background: rgba(27, 189, 105, 1);
    color: #fff;
}

.item-question-arrange-drag.answer-correct .box-drag,.item-question-arrange-drag.answer-wrong .box-drag {
    display: none;
}

.item-question-arrange-drag .checked-wrong,.item-question-arrange-drag .checked-correct {
    position: relative;
    visibility: visible;
    opacity: 1;
    display: none;
    transition: all .3s;
    top: -3px;
}

.item-question-arrange-drag.answer-correct .checked-correct {
    display: block;
}

.item-question-arrange-drag.answer-wrong .checked-wrong {
    display: block;
}

.item-question-arrange-drag.answer-wrong {
    border-color: rgba(228, 68, 87, 1);
    pointer-events: none;
}

.item-question-arrange-drag.answer-wrong .stt {
    background: rgba(228, 68, 87, 1);
    color: #fff;
}

.box-keyword-bottom.answer-wrong .flex-keyword, .box-keyword-bottom.answer-correct .flex-keyword {
    display: none;
}

.box-keyword-bottom.answer-correct .ct-input-keyword {
    display: block;
    pointer-events: none;
}

.box-keyword-bottom.answer-wrong .ct-input-keyword {
    display: block;
    pointer-events: none;
}

.box-keyword-bottom.answer-wrong .ct-input-keyword input {
    border: 1px solid rgba(228, 68, 87, 1);
    background: rgba(255, 248, 249, 1);
    color: rgba(228, 68, 87, 1);
}

.box-keyword-bottom.answer-wrong .ct-input-keyword .checked-wrong {
    opacity: 1;
    visibility: visible;
}

.ct-input-keyword .checked-correct,.ct-input-keyword .checked-wrong {
    top: 0;
    right: 8px;
    bottom: 0;
    margin: auto;
    left: auto;
}

.box-keyword-bottom.answer-correct .ct-input-keyword input {
    border: 1px solid rgba(27, 189, 105, 1);
    color: rgba(27, 189, 105, 1);
    background: rgba(243, 255, 249, 1);
}

.box-keyword-bottom.answer-correct .ct-input-keyword .checked-correct {
    opacity: 1;
    visibility: visible;
}
.box-keyword-bottom.open-input .arrow {
    transform: rotateX(180deg);
}
.popup-write-comment {
    position: absolute;
    box-shadow: 0px 0px 9px 0px rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 1);
    border-radius: 8px;
    bottom: 28px;
    z-index: 1;
    padding: 20px;
    width: 230px;
    right: 26px;
    transition: all .5s;
    opacity: 0;
    visibility: hidden;
}

.popup-write-comment .close-popup {
    position: absolute;
    top: 4px;
    right: 5px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.block-hdsd {
    position: absolute;
    top: 49%;
    transform: translateY(-50%);
    right: -98px;
    display: flex;
    align-items: center;
    gap: 0 16px;
}

.item-question-arrange-drag {
    position: relative;
}

.text-tooltip {
    width: 90px;
    padding: 4px 6px;
    position: relative;
    background: #218D20;
    z-index: 1;
    border-radius: 6px;
    color: #E5EAF0;
    font-size: 13px;
    text-align: center;
    top: -2px;
}

.text-tooltip:before {
    content: '';
    position: absolute;
    left: -5px;
    top: 47%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: #218D20;
    -ms-transform: rotate(45deg);
    transform: rotate(45deg);
    z-index: -1;
}
.popup-write-comment .close-popup img {
    transform: scale(.7);
}

.box-fill-comment {
    width: 100%;
    padding-top: 5px;
}

.box-fill-comment .appear-els {
    width: 100%;
    height: 100%;
}

.box-fill-comment .appear-els textarea {
    border-radius: 6px;
    font-size: 15px;
    outline: none;
    box-shadow: none;
    transition: all .3s;
    resize: none;
    overflow-y: hidden;
    min-height: 150px;
    max-height: 200px;
    border: none;
    width: 100%;
}

.send-comment {
    width: 32px;
    height: 32px;
    background: rgba(115, 115, 115, 1);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    transition: all .3s;
    margin-left: auto;
}

.send-comment .icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.send-comment:hover {
    background: rgb(84 84 84);
}

.popup-write-comment.open {
    opacity: 1;
    visibility: visible;
}
  @media (min-width:1400px) and (max-width:1599px){
    .ct-page-student .container {
        max-width: 1000px;
    }
  }
  @media (min-width:1200px) and (max-width:1399px){
    .ct-page-student .container {
        max-width: 820px;
    }
    
    .layout-page-student-lesson {
        gap: 0 24px;
    }
    
    .sidebar-lesson {
        margin-left: -174px;
    }
  }
  @media (min-width:1200px) and (max-width:1300px){
    .text-tooltip {
        position: absolute;
        top: auto;
        left: 50%;
        bottom: 81px;
        transform: translateX(-50%);
    }
    
    .block-hdsd {
        right: 8px;
    }
    
    .text-tooltip:before {
        top: auto;
        bottom: -6px;
        left: 44%;
    }
  }
  @media (min-width:992px) and (max-width:1199px){
    .block-connect-answer {
        gap: 0 40px;
    }
    .ct-page-student .container {
        max-width: 660px;
    }
    
    .layout-page-student-lesson {
        gap: 0 24px;
    }
    
    .sidebar-lesson {
        margin-left: -174px;
    }
  }
  @media (min-width:992px) and (max-width:1100px){
    .text-tooltip {
        position: absolute;
        top: auto;
        left: 50%;
        bottom: 81px;
        transform: translateX(-50%);
    }
    
    .block-hdsd {
        right: 8px;
    }
    
    .text-tooltip:before {
        top: auto;
        bottom: -6px;
        left: 44%;
    }
  }
  @media (max-width:991px){
    .text-tooltip {
        position: absolute;
        top: auto;
        left: 50%;
        bottom: 81px;
        transform: translateX(-50%);
    }
    
    .block-hdsd {
        right: 8px;
    }
    
    .text-tooltip:before {
        top: auto;
        bottom: -6px;
        left: 44%;
    }
    .answer-question-check-pl {
        width: 100%;
        padding-top: 12px;
    }
    .layout-page-student-lesson {
        display: block;
    }
    .close-sidebar-mobile {
        display: flex;
        position: fixed;
        top: 24px;
        right: 308px    ;
        width: 36px;
        height: 36px;
        border-radius: 6px;
        background: #eaeff3;
        z-index: 11;
        opacity:0;
        visibility: hidden;
        transition: all .4s;
        transform: translateX(40px);
        transition-delay:.2s;
    }
    .sidebar-lesson.open-sidebar .close-sidebar-mobile {
        opacity: 1;
        visibility: visible;
        transform: translateX(0);
    }
    .close-sidebar-mobile img {
        filter: brightness(1);
        transform: scale(.4);
    }
    .sidebar-lesson {
        width: 100%;
        top: 57px;
        position: fixed;
        margin: 0;
        z-index: 11;
        margin-bottom: 30px;
        left: 0;
    }
    
    .list-number-question {flex-wrap: wrap;}
    
    .box-number-question-ls.open-box .list-number-question {
        display: flex;
    }
    .bg-sidebar-mobile {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        z-index: 1;
        background: #000;
        width: 100%;
        height: 100%;
        opacity: 0;
        visibility: hidden;
        transition: all .4s;
    }
    .sidebar-lesson.open-sidebar .nav-sidebar-mobile {
        z-index: -1;
        position: relative;
    }
    .sidebar-lesson.open-sidebar .bg-sidebar-mobile {
        opacity: .8;
        visibility: visible;
    }
    
    .nav-sidebar-mobile {
        background: #ffff;
        width: 38px;
        height: 38px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 4px;
        box-shadow: 0 0 4px rgba(0, 0, 0, .12);
    }
    .sidebar-lesson.open-sidebar .layout-sidebar-lesson {
        transform: translate(0);
        z-index: 2;
    }
    
    .nav-sidebar-mobile .line {
        background: #218D20 !important;
    }
    
    .nav-sidebar-mobile .menu-line {
        width: 20px;
        height: 18px;
    }
    .item-number-question.item-number-question.item-number-question {
        width: 32px;
        height: 32px;
    }
    
    .layout-sidebar-lesson {
        max-height: 100%;
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        height: 100dvh;
        border-radius: 0;
        width: 300px;
        transform: translateX(100%);
        transition: all .5s;
    }
    
    .sidebar-lesson:before {
        display: none;
    }
    
    .sidebar-lesson:after {
        display: none;
    }
  }
  @media (min-width:768px) and (max-width:991px){
    .block-question-student-small {
        margin: 0 -25px;
        padding: 0 25px;
    }
    .block-connect-answer {
        gap: 0 40px;
    }
    .ct-question-select .main-item-question-answer {
        display: block;
    }
    .select-choose-answer {
        margin-top: 9px;
        width: 250px;
    }
  }
  @media (min-width:576px) and (max-width:767px){
    .block-part-lesson {
        margin-bottom:30px;
    }
    .block-question-student-small {
        margin: 0 -16px;
        padding: 0 16px;
    }
    .ct-question-select .main-item-question-answer {
        display: block;
    }
    .select-choose-answer {
        margin-top: 9px;
        width: 250px;
    }
    .block-connect-answer {
        gap: 0 24px;
        grid-template-columns: 1fr 1fr;
        justify-content: space-between;
    }
    .block-connect-answer .box-answer-row {
        flex-direction: column;
        gap: 12px;
    }
    
    .column-connect .item-question-answer .main-item-question-answer {
        padding: 8px;
    }
    .column-connect {
        margin-bottom: 30px;
        gap: 12px;
    }
    .column-answer .grid-image-setup {
        gap: 12px;
    }
    .column-connect .item-question-answer .main-item-question-answer .item-add-audio {
        padding: 0;
    }
  }
  @media (max-width:575px){
    .block-part-lesson {
        margin-bottom:30px;
    }
    .block-question-student-small {
        margin: 0 -12px;
        padding: 0 12px;
    }
    .ct-question-select .main-item-question-answer {
        display: block;
    }
    .select-choose-answer {
        margin-top: 9px;
        width: 100%;
    }
    .block-connect-answer {
        gap: 0 24px;
        grid-template-columns: 1fr 1fr;
   }
   .column-connect .item-question-answer .main-item-question-answer {
    padding: 8px;
}
   .column-connect {
       margin-bottom: 30px;
       gap: 12px;
   }
   .column-answer .grid-image-setup {
       gap: 12px;
   }
   
   .column-connect .item-question-answer .main-item-question-answer .item-add-audio {
       padding: 0;
   }
    .title-block-part:before {
        width: calc(100% + 24px);
    }
    .sidebar-lesson {
        top: 56px;
        left: 0;
    }
    .flex-button-setup-question .box-timeline-question {
        flex: none;
    }
    .bottom-form-setup-question .flex-progress-user-question .box-user-avatar .avatar {
        display: none;
    }
    .flex-button-setup-question .btn-bg-icon .text {
        text-align: center;
        font-size: 14px;
        line-height: 1.2;
    }
    .flex-button-setup-question .btn-bg-icon .text .hidden-mb {
        display: none;
    }
    .bottom-form-setup-question .left-bottom .btn-detele {
        padding-right: 6px;
    }
    .box-timeline-question .text {
        font-size: 16px;
    }
    .box-timeline-question .icon {
        width: 30px;
        height: 30px;
    }
    .bottom-form-setup-question .right-bottom .flex-button-setup-question .btn-bg-icon {
        padding: 0 4px;
        justify-content: center;
        gap: 0 4px;
    }
    .bottom-form-setup-question .right-bottom .flex-button-setup-question .btn-bg-icon .text {
        flex: none;
    }
    .bottom-form-setup-question .right-bottom .flex-button-setup-question .ct-button-send-kq .btn-bg-icon .text {
        flex: 1;
    }
  }
  @media (max-width:325px){
    .box-answer-row .item-picture-setup {
        width: 100%;
    }
    .block-connect-answer {
        gap: 0 20px;
   }
    .layout-sidebar-lesson {width: 260px;}

    .close-sidebar-mobile {
        right: 266px;
    }
    .box-timeline-question .text {
        font-size: 12px;
    }
    .box-timeline-question .icon {
        width: 26px;
        height: 26px;
    }
    .box-timeline-question .icon img {
        transform: scale(.8);
    }
    .flex-button-setup-question .btn-bg-icon .text {
        font-size: 12px;
    }
   
  }



  /*Bổ sung 28/3 phần câu hỏi chọn đúng sai*/
   .item-question-answer.tf-type-result .check{
    opacity: 1;
    visibility: visible;
  }

  .item-question-answer.tf-type-result .name-text{
    font-size: 15px;
    font-weight: 400;
  }

  .item-question-answer.tf-type-result .checked-answer-wrong .check,  .item-question-answer.tf-type-result .checked-answer-correct .check{
    opacity: 0;
    visibility: hidden;
  }

  .item-question-answer.tf-type-result .checked-answer-wrong .name-text,   .item-question-answer.tf-type-result .checked-answer-correct .name-text{
    color: inherit;
  }
   /*End*/