.container-admin {
    flex: 1 1 auto;
    margin-right: auto;
    margin-left: auto;
    max-width: 1280px;
}

.container-slide {
    flex: 1 1 auto;
    margin-right: auto;
    margin-left: auto;
    max-width: 1200px;
}

@media (min-width: 768px) {
    .container-admin {
        width: 1024px;
    }

    .container-slide {
        width: 1200px;
    }
}

@media (min-width: 992px) {
    .container-admin {
        width: 1024px;
    }

    .container-slide {
        width: 1200px;
    }
}


.course-card {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 12px 15px;
    background: white;
    border: 1px solid #dadada;
    box-shadow: 0px 2px 7px #d6d6d6;
}

.course-card .img {
    height: 80px;
    object-fit: cover;
}

.course-card-recommend {
    position: relative;
    padding: 15px 10px;
    background: white;
    border: 1px solid #dadada;
    box-shadow: 0px 2px 7px #d6d6d6;
}

.course-card-recommend .img {
    object-fit: cover;
}

.tut-card {
    display: flex;
    align-items: center;
    position: relative;
    padding: 15px 0;
    border-bottom: 1px solid #ccc;
}

.tut-card .img {
    border: 1px solid #000;
    width: 100px;
    height: 60px;
    object-fit: cover;
}

.tab-bar {
    display: flex;
    align-items: stretch;
    justify-content: space-around;
    border-bottom: 1px solid #efefef;
    list-style: none;
    padding: 0 20px;
}

.tab-bar .tab-item {
    background: white;
    flex: 1 1 auto;
    width: 300px;
}

.tab-bar .tab-item.active {
    background: #efefef;
}

.tab-bar .tab-item:hover {
    background: #efefef;
}

.tab-link {
    padding: 20px 20px;
    text-align: center;
}

.modal-recommend {
    padding: 0;
}

.modal-recommend .search-area {}

.modal-recommend .result-area {
    overflow-y: auto;
    height: 60vh;
}

.modal-file .result-area {
    overflow-y: auto;
    max-height: 70vh;
}


.slide-preview {
    overflow-x: hidden;
    overflow-y: auto;
    height: 80vh;
}

.slide-content {
    overflow-x: hidden;
    overflow-y: auto;
    height: 80vh;
    padding-bottom: 7vh;
}


.slide-content .editor-area {
    background-color: #fefff0;
    padding-left: 1em;
}

.slide-list {
    overflow-x: hidden;
    overflow-y: auto;
    height: 70vh;
    background: #223042;
    position: relative;
}

.slide-list .slide-item {
    background: #223042;
    color: white;
    border-bottom: 1px solid #314556;
    padding: 7px 35px 7px 15px;
    position: relative;
}

.slide-list .slide-item .body {
    height: 70px;
    width: 100%;
}


.slide-list .slide-item .tool {
    position: absolute;
    right: 10px;
    top: 0;
    display: flex;
    justify-content: center;
    flex-direction: column;
    height: 100%;
}

.add-slide {
    width: 100%;
    position: sticky;
    background: #314556;
    bottom: 0;
    display: block;
    text-align: center;
    color: #585858;
}

.add-slide:hover {
    color: white;
}

.slide-save-button {
    position: absolute;
    bottom: 0;
    z-index: 1;
}

.tab-disable {
    pointer-events: none;
    user-select: none;
    opacity: 0.5;
}