.number-circle {
    flex-shrink: 0;
    width: 45px;
    height: 45px;
    border-radius: 22.5px;
    background: #F2F2F2;
}
.number-circle svg{
    display: none;
}

.start-btn-dashed-primary {
    display: flex;
    align-items: center;
    padding: .375rem .75rem !important;
    height: 30px;
    border: 1px solid var(--color-primary) !important;
    border-radius: 15px;
    box-sizing: border-box !important;
    color: var(--color-primary);
    background-color: var(--color-white);
    text-transform: none;
}

.start-btn-dashed-primary:active {
    color: var(--color-primary);
}

.start-btn-dashed-primary:focus {
    color: var(--color-primary);
}

.start-btn-dashed-primary:hover {
    color: var(--color-primary);
}

.collapsed-container .lecture-title {
    display: -webkit-box;
    text-align: left;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.collapsed-container .collapsed .header-time-consuming {
    opacity: 1;
    visibility: visible;
}
.collapsed-container>.collapsed>.preview-body {
    display: none;
}

.collapsed-container>.expand>.header-time-consuming {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
}
.collapsed-container>.expand>.preview-body {
    display: block;
}
.collapsed-container>.expand>.preview-header>.title>i.expand-icon {
    transform: rotate(90deg);
}

.collapsed-container:not(.faq-list)>.expand {
    border-radius: 20px;
    box-shadow: 0 4px 6px 0 rgba(0, 0, 0, 0.05);
    background: #fcfcfc;
}

.collapsed-container:not(.faq-list)>.expand {
    border-radius: 18px;
    background: linear-gradient(0deg, #F7F8FA 0%, #FFF 100%);
}

.faq-list.collapsed-container>.expand {
    border-radius: 20px;
    background: #fcfcfc;
}

.collapsed-container>.expand>.start-btn-dashed-primary {
    background-color: var(--color-primary);
    color: var(--color-white);;
}


.navigation-header {
    padding-bottom: 8px;
    border-bottom: 1px solid #E6E6E6;
}

.pagination ul>li>a {
    padding: 0.6rem;
    border: 1px solid #000000;
    border-radius: 6px;
}
.pagination ul>li>a:hover {
    border-color: var(--color-primary);
}

.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.higher-display-ellipsis {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box !important;
    -webkit-box-orient: vertical;
}

.what-you-learn-box {
    max-width: 238px;
    padding: 24px 16px;
}

.collapsed-item {
    padding: 8px 16px;
}

.collapsed-item .preview-header {
    padding: 8px 16px;
    box-sizing: border-box;
}

.collapsed-item .preview-header.viewed .number-circle{
    background: #3CB36B;
    color: #fff;
}
.collapsed-item .preview-header.viewed .number-circle span{
    display: none;
}
.collapsed-item .preview-header.viewed .number-circle svg{
    display: block;
    width: 24px;
    height: 24px;
}

.collapsed-item .preview-header.viewed .btn{
    color: #3CB36B;
    background: #E2EEE7;
    border: none!important;
    border-radius: 34px;
}
.collapsed-item .preview-header .btn svg{
    display: none;
}
.collapsed-item .preview-header.viewed .btn svg{
    display: block;
    margin-right: 4px;
}
.collapsed-item .preview-header.faq-header {
    padding: 8px;
}

.collapsed-item.expand .preview-header .lecture-title{
    font-size: 20px;
    line-height: 24px;
    font-weight: 500;
    color: var(--color-dark-3) !important;
}

.collapsed-item.collapsed:hover .preview-header:not(.disabled-hover) {
    padding: 7px 15px;
    border: 1px solid var(--color-primary);
    border-radius: 12px;
}

.collapsed-item.collapsed:hover .preview-header.faq-header:not(.disabled-hover) {
    padding: 7px;
}

.collapsed-item .preview-body{
    padding: 0 32px;
}

.faq-list .collapsed-item .preview-body{
    padding: 0 24px;
}

.collapsed-item.expand  .preview-header.tidy3d-python{
    padding: 8px 16px 0;
}

.ellipsis-line-1 {
    -webkit-line-clamp: 1;
}

.ellipsis-line-2 {
    -webkit-line-clamp: 2;
}

.ellipsis-line-8 {
    -webkit-line-clamp: 8;
}

.top-pagination {
    display: flex;
    column-gap: 16px;
}

.top-pagination a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 32px;
    height: 32px;
    border: 1px solid #7A7977;
    border-radius: 6px;
    color: #7A7977;
    cursor: pointer;
}

.top-pagination a:hover,
.bottom-pagination a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.bottom-pagination {
    width: 100%;
    display: flex;
    justify-content: space-between;
}

.bottom-pagination a{
    display: inline-flex;
    justify-content: center;
    align-items: center;
    column-gap: 8px;
    padding: 4px 16px;
    border: 1px solid #000000;
    border-radius: 6px;
    color: #000000;
    cursor: pointer;
}