.swiper-container {
    margin: 0 !important;
}


.class-container {
    padding-top: 40px;
}


.class-header {
    top: 0;
    z-index: 10;
    width: 100%;
    position: fixed;
    color: white;
    background: #37414B;
    display: flex;
    align-items: center;
    clear: both;
}


.class-header .class-menu {
    padding: 9px 15px;
    background: #000000;
    cursor: pointer;
    transition: background 200ms;
}

.class-header .class-menu:hover {
    background: #292929;
}

.class-header .class-title {
    color: #ABABAB;
    margin-left: 20px;
}

.class-header .class-exit {
    padding: 9px 15px;
    background: #000000;
    cursor: pointer;
    transition: background 200ms;
}

.class-header .class-exit:hover {
    background: #292929;
}

.class-section .section-title {
    display: flex;
    align-items: center;
}

.class-section .section-title img {
    height: 30px;
    width: 30px;
}

.class-section .section-title span {
    font-size: 22px;
    text-transform: uppercase;
    border-bottom: 1px solid rgba(112, 112, 112, .3);
}

.conversation::-webkit-scrollbar,
.class-content::-webkit-scrollbar,
.chat-list::-webkit-scrollbar {
    width: 8px;
}

.conversation::-webkit-scrollbar-thumb,
.class-content::-webkit-scrollbar-thumb,
.chat-list::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background: rgba(136, 136, 136, .5);
}

.conversation::-webkit-scrollbar-thumb:hover,
.class-content::-webkit-scrollbar-thumb:hover,
.chat-list::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, .5);
}

.conversation::-webkit-scrollbar-track,
.class-content::-webkit-scrollbar-track,
.chat-list::-webkit-scrollbar-track {
    background: #ffffff;
}

.class-content .detail {
    padding: 1rem 1rem 2rem 1rem;
    height: calc(100vh - 100px);
    position: relative;
    overscroll-behavior-y: contain;
    overflow-x: hidden;
}

.class-content .footer {
    position: fixed;
    width: inherit;
    bottom: 0;
    background: white;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* .class-content .icon {
    border-radius: 10px;
    font-size: 20px;
    align-items: center;
    display: flex;
    justify-content: center;
    background: white;
    width: 40px;
    height: 40px;
}

.class-content .action {
    border-radius: 10px;
    font-size: 15px;
    align-items: center;
    display: flex;
    justify-content: center;
    background: white;
    width: 30px;
    height: 30px;
} */


.class-content .footer .badge {
    text-transform: uppercase;
    font-size: 14px;
    bottom: 0;
    border-radius: 3px;
    padding: 6px 30px;
}

.class-history-list {
    padding: 1rem 1rem 2rem 1rem;
    height: calc(100vh - 40px);
    position: relative;
    overscroll-behavior-y: contain;
    overflow-x: hidden;
}

.handle {
    opacity: 0;
    font-size: 14px;
}

.handle.movable {
    cursor: move;
    color: #000;
}

.handle.immovable {
    color: #b7b7b7;
}

.lesson {
    display: flex;
    align-items: center;
    margin-bottom: 3px;
}

.lesson-title:hover .handle.movable,
.lesson:hover .handle.movable {
    opacity: 1;
}

.lesson-title {
    font-size: 1em;
    padding-top: 30px;
}

.lesson-title .title {
    font-size: 1em;
    font-weight: bold;
    color: black;
}

.lesson-title a {
    font-size: .8em;
}

.lesson-title.done {
    color: #cacaca !important;
}

.lesson-item {
    width: 100%;
    padding: 5px 8px 6px 0;
    font-size: .85em;
    border-bottom: 1px solid #dee2e6;
    cursor: pointer;
}

.lesson-item:hover a {
    text-decoration: underline;
}

.lesson-item.done a {
    color: #cacaca !important;
}

.lesson-item.active,
.lesson-item.redo,
.lesson-item.finish {}

.lesson-item.new i {
    color: #cacaca !important;
}

.lesson-item i {
    color: #707070;
    font-size: 22px;
}

.lesson-item i.checked {
    color: #2ce080;
}

.lesson-item i.pending {
    color: #ff8300;
}

.chat-alert-tutor {
    position: absolute;
    color: black;
    height: calc(100vh - 40px);
    text-align: center;
    z-index: 20;
    background: rgba(236, 236, 236, 0.7);
    padding: 25vh 10%;
}

.chat-alert-student {
    position: absolute;
    color: black;
    width: 100%;
    height: calc(100vh - 40px);
    text-align: center;
    z-index: 20;
    background: rgba(236, 236, 236, 0.7);
    padding: 25vh 10%;
}

.chat-box {
    padding: 0 !important;
    height: calc(100vh - 40px);
    position: relative;
    overscroll-behavior-y: contain;
    overflow-x: hidden;
    padding: 0 !important;
}

.chat-list {
    height: calc(100vh - 40px);
    position: relative;
    padding: 66px 0 !important;
    overscroll-behavior-y: contain;
    overflow-y: scroll;
}

.chat-list .search-area {
    position: fixed;
    padding: 13px;
    top: 40px;
    width: inherit;
    background: white;
}

.chat-list::-webkit-scrollbar {
    width: 5px;
}

.chat-list::-webkit-scrollbar-track {
    background: #ffffff;
}

.chat-list::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background: rgba(136, 136, 136, .5);
}

.chat-list::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, .5);
}

.chat-list .chat-list-item {
    padding: 10px .5rem;
}

.chat-list .chat-list-item.active {
    background: rgba(21, 203, 255, .2);
}

.chat-list .chat-list-item .avatar {
    height: 50px;
    border-radius: 50%;
}

.chat-message {
    white-space: pre-wrap;
    word-break: break-word;
}

.chat-message-mine {
    color: white;
    margin-left: 100px;
    padding: 6px 12px 7px;
    background: #0099ff;
    border-radius: 20px;
    white-space: pre-wrap;
    word-break: break-word;
    margin-bottom: 0;
}

.chat-message a.link {
    text-decoration: underline;
}

.chat-message-mine a.link {
    color: white;
    text-decoration: underline;
}

.chat-message img {
    width: 100px;
    float: left;
    height: 100px;
    object-fit: cover;
    border-radius: 10px;
    margin: 10px 0px 3px 3px;
}

.chat-message-mine img {
    width: 100px;
    float: right;
    height: 100px;
    object-fit: cover;
    border-radius: 10px;
    margin: 10px 0px 3px 3px;
}


.chat-box .conversation {
    height: calc(100% - 60px);
    width: 100%;
    display: flex;
    flex-direction: column-reverse;
    padding: 15px 15px 15px 15px;
    overflow-y: scroll;
    overscroll-behavior-y: contain;
    border-color: #dee2e6;
    border-style: solid;
    border-width: 0 1px 0 1px;
}

.chat-box .conversation .avatar {
    height: 50px;
    border-radius: 50%;
}

.chat-box .footer {
    display: flex;
    align-items: flex-end !important;
    position: fixed;
    width: inherit;
    bottom: 0;
    background: white;
    padding: 13px 0;
    height: auto !important;
    border-color: #dee2e6;
    border-style: solid;
    border-width: 1px 1px 0 1px;
}

.chat-box .footer textarea {
    resize: none;
    width: 88%;
}

.chat-box .footer textarea::-webkit-scrollbar {
    width: 8px;
}

.chat-box .footer textarea::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background: rgba(136, 136, 136, .5);
}

.chat-box .footer textarea::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, .5);
}

.chat-box .footer textarea::-webkit-scrollbar-track {
    background: #ffffff;
}

.chat-end-message {
    border-radius: 50%;
    width: 10px;
    padding: 5px;
    height: 10px;
    margin: 15px auto;
    background: #d2d2d2;
}

.content-progress-bar {
    width: 45%;
    border-radius: 10px;
    background: linear-gradient(to right, orange 70%, #c5c5c5 0%);
    display: block;
    height: 7px;
}

.file-block {
    text-align: center;
    border: 1px solid #e8e5e5;
    border-radius: 3px;
    width: 135px;
    height: 135px;
    position: relative;
}

.file-block img {
    width: 100%;
    height: 100%;
}

.file-block:hover {
    box-shadow: 0px 0px 10px #dcdcdc;
}

.file-block.active {
    border: 4px solid #3498db;
}

.file-block .close {
    position: absolute;
    right: 2px;
    top: 0px;
    font-size: 25px;
}

.file-list {
    list-style: none;
    padding: 0;
}

.file-list .file-item {
    padding: 3px 0;
}

.file-list .file-item img {
    width: 15px;
    height: 15px;
}

.file-list .file-item .remove-button {
    cursor: pointer;
    color: #b7b7b7
}

.file-list .file-item .remove-button:hover {
    color: crimson;
}

.class-edit-list::-webkit-scrollbar,
.class-edit::-webkit-scrollbar {
    width: 5px;
}

.class-edit-list::-webkit-scrollbar-thumb,
.class-edit::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background: rgba(136, 136, 136, .5);
}

.class-edit-list::-webkit-scrollbar-thumb:hover,
.class-edit::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, .5);
}

.class-edit-list::-webkit-scrollbar-track,
.class-edit::-webkit-scrollbar-track {
    background: #ffffff;
}

.class-edit-list {
    padding: 0rem 1rem 2rem 1rem;
    height: calc(100vh - 40px);
    position: relative;
    overscroll-behavior-y: contain;
    overflow-x: hidden;
}

.class-edit {
    height: calc(100vh - 40px);
    position: relative;
    overscroll-behavior-y: contain;
    overflow-x: hidden;
    background: #efefef;
}

.class-edit label {
    font-size: 14px;
    font-weight: bold;
}

.class-edit section {
    margin-top: 17px;
    padding: 1rem 1rem 3rem 1rem;
    box-shadow: 0px 8px 11px #e2e2e2;
    background: white;
}

.class-edit section:last-child {
    padding: 1rem;
    background: white;
    box-shadow: 0px 8px 11px #e2e2e2;
}

.class-edit section .title {
    margin-bottom: 0px;
    font-weight: bold;
}

.class-edit section .subtitle {
    margin: 4px 0 0;
    color: #b7b7b7;
    font-style: italic;
    font-size: 14px;
}

.class-edit section hr {
    margin-top: 10px;
    margin-bottom: 20px;
    border-bottom: 4px solid #5A8BF3 !important;
}

.class-edit .radio-block input {
    display: none;
}

.class-edit .radio-block label {
    min-width: fit-content;
    width: 165px;
    height: 55px;
    display: flex;
    font-size: 15px;
    justify-content: center;
    align-items: center;
    background: white;
    padding: 10px;
    font-weight: lighter;
    border: 1px solid #2ce080;
}

.class-edit .radio-block label span {
    margin-left: 5px;
}

.class-edit .radio-block input:checked+label {
    transition: background .2s;
    color: #fff;
    background: #2ce080;
}

.class-tag {
    color: #5A8BF3;
    font-size: 12px;
    padding: 4px 6px;
    border: 1px solid #5A8BF3;
    border-radius: 5px;
    margin-right: 5px;
}

.table-test tbody tr:hover {
    box-shadow: -3px 0px 0px 0px #5A8BF3;
}

.test-block {
    border: solid #d8d8d8;
    border-width: 0 1px 1px 1px;
    padding: 15px;

}

.test-block ul {
    list-style: decimal;
}

span.copyinput {
    border: 1px solid #ccc;
    width: 100%;
    padding: 5px;
    user-select: all;
    display: block;
}