#ketQuaBackdrop{
    background: #0E0F14;
    opacity: 0.95;
    overflow: auto !important;
}
#ketQuaBackdrop .modal-dialog{
    min-width: 900px;
}
#ketQuaBackdrop .modal-content{
    background: none;
}
#ketQuaBackdrop .modal-body{
    padding: 20px 20px;
}
#ketQuaBackdrop .modal-body .ket-qua{
    text-align: center;
    background: #FFFFFF;
    padding: 33px 25px;
    position: relative;
}
#ketQuaBackdrop .modal-body .ket-qua .icon-1{
    position: absolute;
    left: 31px;
    top: 0px;
    height: 249px;
}
#ketQuaBackdrop .modal-body .ket-qua .icon-2{
    position: absolute;
    right: 31px;
    top: 0px;
    height: 249px;
}
#ketQuaBackdrop .modal-body .ket-qua .ket-qua-text{
    font-size: 36px;
    color: #050709;
}
#ketQuaBackdrop .modal-body .ket-qua .ket-qua-score{
    color: #FFC646;
    font-size: 72px;
    margin-bottom: 19px;
}
#ketQuaBackdrop .modal-body .ket-qua .ket-qua-score span{
    font-size: 36px;
    color: #F87B54;
}
#ketQuaBackdrop .modal-body .ket-qua .review{
    background: #FFC646;
    border-radius: 4px;
    color: #FFFFFF;
    font-size: 18px;
    padding: 13px 65px;
}
#ketQuaBackdrop .modal-body .bxh{
    margin-top: 20px;
    overflow: auto;
}
#ketQuaBackdrop .modal-body .bxh .list-bxh .item{
    background: #FFFFFF;
    border-radius: 22px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    min-height: 44px;
}
#ketQuaBackdrop .modal-body .bxh .list-bxh .item.stt_top{
    background: #7BCDC7;
}
#ketQuaBackdrop .modal-body .bxh .list-bxh .item.stt_top span{

}
#ketQuaBackdrop .modal-body .bxh .list-bxh .item span{

}
#ketQuaBackdrop .modal-body .bxh .list-bxh .item .name{
   width: 38%;
}
#ketQuaBackdrop .modal-body .bxh .list-bxh .item .score{
    width: 37%;
}
#ketQuaBackdrop .modal-body .bxh .list-bxh .item .time{
    width: 20%;
}
#ketQuaBackdrop .modal-body .bxh .list-bxh .item img{
    width: 44px;
    border-radius: 50%;
    margin-right: 20px;
}
#ketQuaBackdrop .modal-body .bxh .list-bxh .item .bxh-text{
    color: #000000;
    font-size: 18px;
    line-height: 21px;
}
#ketQuaBackdrop .modal-body .bxh .list-bxh .item.stt_top .bxh-text{
    color: #FFFFFF;
}
#examDoing #hoclythuyet{
    margin-top: 40px;
}
#examDoing .box-time{
    background: #FFFFFF;
    padding: 12px;
    border-radius: 4px;
}
#examDoing .box-time .box-submit{
    margin-top: 20px;
    text-align: center;
}
#examDoing .box-time .box-submit .btn{
    background: #FFC646;
    border-radius: 9px;
    padding: 7px 65px;
    color: #FFFFFF;
    text-transform: uppercase;
}
#examDoing .box-time .box-submit .btn:focus{
    outline: none;
}
#nopBaiBackdrop .modal-content .modal-header .modal-title{
    text-align: center;
}
#nopBaiBackdrop .modal-header{
    border-bottom: none;
}
#nopBaiBackdrop .modal-footer{
    border-top:none;
    text-align: center;
}
#nopBaiBackdrop .modal-footer .btn:focus{
    outline: none;
}
#examDoing .head_course .close_course{
    margin-left: 10px;
}
#examDoing .head_course .close_course a{
    background: #ca670c;
    color: #fff;
    font-size: 16px;
    padding: 12px 14px;
    border-radius: 4px;
}
#hoclythuyet .trac_nghiem_box .content_question .question_item .list_answer .radio{
    margin: 10px 0px;
    background: #E5E7E9;
    border-radius: 8px;
    padding: 10px 10px;
    cursor: pointer;
}
#hoclythuyet .trac_nghiem_box .content_question .question_item .list_answer .radio.radio_click{
    background: RGBA(255,198,70,0.4);
}
#hoclythuyet .trac_nghiem_box .content_question .question_item .list_answer .radio.radio_click input[type='radio']:before{
    width: 10px;
    height: 10px;
    border: 5px solid #FF8515;
    border-radius: 50%;
    top: 2px;
    webkit-transform: rotate(-45deg) scale(1,1);
    -moz-transform: rotate(-45deg) scale(1,1);
    -ms-transform: rotate(-45deg) scale(1,1);
    -o-transform: rotate(-45deg) scale(1,1);
    transform: rotate(-45deg) scale(1,1);
}
#hoclythuyet .trac_nghiem_box .content_question .question_item .list_answer .radio label img{
    max-width: 300px;
}
#hoclythuyet .trac_nghiem_box .content_question .question_item .list_answer .bg-green{
    background: rgb(123,205,199,0.4);
}
#hoclythuyet .trac_nghiem_box .content_question .question_item .list_answer .bg-red{
    background: rgb(248,123,84,0.4);
}
#examDoing #hoclythuyet .trac_nghiem_box{
    padding:15px;
}
#box-wrapper{
    background: #F5F7F9;
}
.head_course .lesson_name{
    width: 100%;
    display: flex;
    align-items: center;
}
.head_course .lesson_name .name{
    width: 100%;
}
.head_course .lesson_name .name .title{
    color: #FFFFFF;
    font-size: 24px;
}
.head_course .lesson_name .progress{
    height: 10px;
}
.head_course .lesson_name .progress .progress-bar{
    background-color:#FFFFFF;
    height: 11px;
}
#examDoing.lam_kiem_tra .question_type{
    display: block;
}
.time-exam{
    border: 1px solid #35365E;
    border-radius: 0;
    font-weight: bold;
}

.time-exam .text-score{
    background: #F87B54;
    padding: 12px;
    color: white;
}

.time-exam .time-score{
    padding: 6px 0;
    font-size: 26px;
    color: #35365E;
}
.result-exam{
    max-height: calc(100vh - 130px);
    margin-top: 20px;
    /*overflow-y: scroll;*/
    border: 1px solid #EDD1D1;
    padding: 5px;
    background: #FFFFFF;
}
.answer-question .answer-box{
    border: 1px solid #35365E;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    text-align: center;
    margin-right: 5px;
    padding-top: 0px;
    cursor: pointer;
}
.answer-question .answer-box.miss{
    border: 1px solid#7BCDC7;
}
.answer-question .answer-box.active{
    background: #000;
    color: #FFF;
}
.bai_ktra_box_left.sticky{
    height: calc(100vh - 130px);
    width: 245px;
    position: fixed;
    top: 40px;
}
.bai_ktra_box_left.sticky .result-exam{
    overflow: auto;
    max-height: 400px;
}
.bai_ktra_box_left.sticky .result-exam.result-exam-loading{
    opacity: 0.3;
    background: rgb(249 253 249 / 70%);
}
.content-exam-group .box-wait-submit.wait-submit{
    opacity: 0.3;
    background: rgb(249 253 249 / 70%);
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0px;
    left: 0px;
    z-index: 99999;
}
.result-exam .list-question{
    /*padding-top: 10px;*/
    display: inline-block;
    width: 100%;
}
.result-exam .list-question .list-question-child{
    display: flex;
    width: 100%;
    align-items: center;
    padding: 3px 0px;
}
.number-question{
    width: 31%;
    float: left;
}
.number-question{
    cursor: pointer;
    font-size: 14px;
}
.number-question.question_type_3, .number-question.question_type_5{
    width: 100%;
}
.answer-question{
    width: 68%;
    float: right;
    display: flex;
    margin-bottom: 5px;
}
.lam_kiem_tra .box-loading-page{
    z-index: 999999999;
    position: fixed;
    top: 0px;
    right: 10px;
}
#examDoing.lam_kiem_tra .bai_ktra_box_left .result-exam{
    border:none;
}
#examDoing.lam_kiem_tra{
    background: #FFFFFF;
}
#examDoing.lam_kiem_tra .bai_ktra_box_left .result-exam-title{
    font-size: 20px;
    color: #000000;
    text-transform: uppercase;
    font-family: Roboto-Bold;
    margin-bottom: 10px;
}
#examDoing.review .answer-box.active{
    background: #000;
    color: #FFF;
}
#examDoing.review .answer-question .answer-box.active{
    background: #FFC646;
    border: 1px solid #35365E;
    color: #000000;
}
#examDoing.review .answer-question .answer-box.active.correct{
    background: #51FF25;
    color: #000;
    border: 1px solid#35365E;
}
#examDoing.review .answer-question .answer-box.correct{
    background: #51FF25;
    color: #000;
    border: 1px solid#35365E;
}
#examDoing.review .trac_nghiem_box .content_question .question_item .list_answer .bg-green{
    background: rgba(107, 255, 70, 0.4);
}
#examDoing.review .trac_nghiem_box .content_question .question_item .list_answer .bg-red{
    background: rgba(255, 198, 70, 0.4);
}
#examDoing.review .answer-question .answer-box.miss{
    border: 1px solid #51FF25;
}
#examDoing.review .trac_nghiem_box .content_question .question_item .list_answer .bg-red input[type='radio']:after{
    background: #FFC646;
    border:1px solid#FFFFFF;
}
#examDoing.review .trac_nghiem_box .content_question .question_item .list_answer .bg-green input[type='radio']:after{
    background: rgba(107, 255, 70, 0.4);
    border:1px solid#FFFFFF;
}
.exam-url-out{
    background: #FFC646;
    border-radius: 8px;
    font-size: 18px;
    color: #FFFFFF;
    text-transform: uppercase;
    padding: 10px 15px;

}
.exam-url-out:hover{
    color: #FFFFFF;
}
#examDoing.review{
    padding-bottom: 30px;
}
#examDoing .head_course .lesson_name .progress{
    background-color: #DEA627;
}
.footer-exam-mb{
    display: none;
}
.phieuLamBackdrop{
    display: none;
}
#ketQuaBackdrop .btn-out{
    display: none;
}
@media (min-width: 320px) and (max-width: 767px) {
    #phieuLamBackdrop .modal-body .question_item.correct .stt_question{
        background: #6BFF46;
        border: 1px solid #35365E;
    }
    #phieuLamBackdrop .review .modal-body .stt_question{
        border: 1px solid #6BFF46;
        background: #FFFFFF;
    }
    #phieuLamBackdrop .modal-body .question_item.error .stt_question{
        background: #FFC646;
        border: 1px solid #35365E;
    }
    .exam-url-out{
        display: none;
    }
    #examDoing.review .bai_ktra_box_left{
        display: none;
    }
    #ketQuaBackdrop .modal-body .bxh{
        display: none;
    }
    #ketQuaBackdrop .btn-out{
        display: block;
        font-size: 18px;
        padding: 10px 41px;
        background: #FFFFFF;
        border: 2px solid #FFC646;
        border-radius: 4px;
        color: #FFC646;
        width: 195px;
        text-transform: uppercase;
        margin: 21px auto;
    }
    .phieuLamBackdrop{
        display: block;
    }
    #examDoing #hoclythuyet{
        margin-top: 0px;
    }
    #examDoing #hoclythuyet .trac_nghiem_box{
        padding: 0px;
    }
    main{
        padding-top: 0px;
        padding-bottom: 0px;
    }
    .head_course .lesson_name img{
        width: 50px;
    }
    .head_course .lesson_name .name .title{
        font-size: 16px;
    }
    #examDoing .box-time{
        display: none;
    }
    .bai_ktra_box_left.sticky{
        background: #FFF;
        display: none;
    }
    .footer-exam-mb{
        display: block;
        border-top: 1px solid#ccc;
        position: fixed;
        bottom: 0px;
        width: 100%;
        background: #FFF;
    }
    .footer-exam-mb .footer-group{
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 22px 0px;
    }
    .footer-exam-mb .footer-group .btn-sheet{
        background: #32A8F7;
        border-radius: 9px;
        margin-right: 10px;
        border: 1px solid#32A8F7;
        font-size: 16px;
    }
    .footer-exam-mb .footer-group .btn-submit{
        background: #FFC646;
        border-radius: 9px;
        border: 1px solid#FFC646;
        margin-left: 10px;
        font-size: 16px;
        padding: 6px 25px;
    }
    .footer-exam-mb .footer-group .time-exam{
        border-radius: 15px;
    }
    .footer-exam-mb .footer-group .time-exam .time-score{
        font-size: 16px;
        padding: 6px 10px;
    }
    .content-exam-group{
        padding-bottom: 100px;
    }
    #phieuLamBackdrop .modal-body .stt_question{
        border-radius: 50%;
        width: 30px;
        border: 1px solid #35365E;
        height: 30px;
        text-align: center;
        margin: 0 auto;
        padding: 4px;
    }
    #phieuLamBackdrop .modal-body .question_item{
        margin-bottom: 15px;
    }
    #phieuLamBackdrop .modal-title{
        text-transform: uppercase;
        font-size: 20px;
    }
    #phieuLamBackdrop .modal-body .question_item.active .stt_question{
        background: #FFC646;
        border: 1px solid #FFC646;
    }
    .footer-exam-mb .footer-group .btn-sheet:focus, .footer-exam-mb .footer-group .btn-submit:focus{
        outline: none;
    }
    #ketQuaBackdrop .modal-body .ket-qua .icon-1, #ketQuaBackdrop .modal-body .ket-qua .icon-2{
        display: none;
    }
    #ketQuaBackdrop .modal-dialog{
        min-width: 95%;
    }
    #ketQuaBackdrop .modal-body{
        padding: 0px;
    }
    #ketQuaBackdrop .modal-body .ket-qua{
        padding: 10px;
    }
    #ketQuaBackdrop .modal-body .ket-qua .ket-qua-text{
        font-size: 25px;
    }
    #ketQuaBackdrop .modal-body .ket-qua .ket-qua-score{
        font-size: 40px;
    }
    #ketQuaBackdrop .modal-body .ket-qua .ket-qua-score span{
        font-size: 30px;
    }
}
/* Split screen 50/50 for desktop multiple-choice exercises */
@media (min-width: 768px) {

    #hoclythuyet .trac_nghiem_box form.has_passage,
    #hoclythuyet .dien_tu_doan_van form.has_passage {
        display: flex !important;
        gap: 20px !important;
        height: calc(100vh - 165px) !important;
        align-items: stretch !important;
    }

    #hoclythuyet .trac_nghiem_box form.has_passage .head_content,
    #hoclythuyet .dien_tu_doan_van form.has_passage .head_content {
        flex: 1 !important;
        width: 50% !important;
        max-width: 50% !important;
        overflow-y: auto !important;
        padding-right: 15px !important;
        border-right: 2px solid #f1f1f1 !important;
        display: flex !important;
        flex-direction: column !important;
    }

    #hoclythuyet .trac_nghiem_box form.has_passage .content_question,
    #hoclythuyet .dien_tu_doan_van form.has_passage .content_question {
        flex: 1 !important;
        width: 50% !important;
        max-width: 50% !important;
        overflow-y: auto !important;
        padding-left: 15px !important;
        display: flex !important;
        flex-direction: column !important;
        justify-content: space-between !important;
    }

    #hoclythuyet .trac_nghiem_box form.has_passage .submit_question,
    #hoclythuyet .dien_tu_doan_van form.has_passage .submit_question {
        position: sticky !important;
        bottom: 0 !important;
        background: #fff !important;
        padding: 10px 0 !important;
        border-top: 1px solid #f1f1f1 !important;
        z-index: 10 !important;
    }
}



/* User Text Highlight classes */
.app-highlight {
    background-color: #fff2a8 !important;
    cursor: pointer;
    border-radius: 2px;
    padding: 1px 0;
    transition: background-color 0.2s ease;
}

.app-highlight:hover {
    background-color: #ffd875 !important;
}

/* Highlight Tooltip styling */
.highlight-tooltip {
    position: absolute;
    background: #333;
    color: #fff;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;
    z-index: 9999;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 6px;
    user-select: none;
    transform: translate(-50%, -100%);
    margin-top: -8px;
}

.highlight-tooltip::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 6px 6px 0;
    border-style: solid;
    border-color: #333 transparent transparent;
    display: block;
    width: 0;
}

.highlight-tooltip:hover {
    background: #444;
}