.v-divider {
    margin-left: 5px;
    margin-right: 5px;
    width: 1px;
    height: 100%;
    border-left: 1px solid gray;
}

#content {
    background: rgba(134, 134, 134, 0.05);
}

#home-btn:hover {
    color: white;
}

.lesson {
    background-color: rgba(151, 151, 151, 0.466) !important;
}

.lesson .card {
    border: none;
}


.lesson hr {
    margin: 1.5rem 0;
}

/* .main-lesson-input {
    border-bottom: 1pt solid grey;
} */

.lesson .card-title {
    margin: 1.2rem 0 1.2rem 0rem;
    /*original: 0.5rem 0;*/
    font-size: 0.9rem;
    letter-spacing: 0.05rem;
    /*original: .1rem;*/
    font-weight: bold;
    white-space: nowrap;
    /*new*/
    text-align: center;
    /*new*/
}

.lesson ul li {
    margin-bottom: 1rem;
}

.home-btn {
    font-size: 80%;
    border-radius: 5rem;
    letter-spacing: .1rem;
    font-weight: bold;
    padding: 1rem;
    opacity: 0.7;
    transition: all 0.2s;
}

.lesson-code-block {
    border: 1pt solid grey;
}

#new-topic {
    margin: 0.5em 0em 0.5em 0.5em;
    padding: 0.25em 0.5em 0.25em 0.5em;
    border-radius: 0.5em;
    background-color: white;
}

#delete-topic {
    margin: 0.5em 0em 0.5em 0.5em;
    padding: 0.25em 0.5em 0.25em 0.5em;
    border-radius: 0.5em;
    background-color: rgb(179, 0, 0);
    color: white;
}

#topic-left,
#topic-right {
    border-radius: 0.5em;
    border: 0;
    background-color: #ffffff00;
}

#topic-left:hover,
#topic-right:hover {
    background-color: #dddfeb63;
}

.lesson-pages-container {
    border-radius: 0.5em;
    background-color: white;
}

#lesson-topic-btns li {
    margin: 0em 0.2em 0em 0em;
    padding: 1em 2em 1em 2em;
    border-radius: 0.5em 0.5em 0em 0em;
    background-color: #ffffff45;
    display: inline-block;
}

.topic-tabs-container,
#lesson-topic-btns {
    margin-bottom: 0em;
}

#lesson-topic-btns {
    white-space: nowrap;
    display: block !important;
    flex-wrap: nowrap;
    max-width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

#lesson-topic-btns li.active {
    background-color: white;
}

#lesson-topic-btns li:hover,
.edit-btn:hover,
.lesson-btn:hover,
.move-block-down-btn:hover,
.move-block-up-btn:hover,
#tree-refresh-btn:hover,
#tour-btn-container,
.close {
    cursor: pointer;
    opacity: 1;
}

.edit-btn,
.move-block-up-btn,
.move-block-down-btn {
    opacity: 0.75;
}

.sticky-sidebar-item {
    position: -webkit-sticky;
    /* Safari */
    position: sticky;
    top: 0;
}

/* .lesson-block:hover {
    border: 1pt solid rgba(0, 0, 0, 0.438);
} */

.disabled-btn {
    opacity: 0.5;
}

#module-card {
    opacity: 50%;
    background-color: white;
    background-repeat: no-repeat;
    background-size: cover;
    -ms-background-size: cover;
    -o-background-size: cover;
    -moz-background-size: cover;
    -webkit-background-size: cover;
}


/* Hover Effects on Card */

@media (min-width: 992px) {
    #toggle-main-lesson-slide:hover {
        margin-top: -.08rem;
        margin-bottom: .08rem;
    }

    #new-topic:hover {
        box-shadow: 0 0.5rem 1rem 0 rgba(0, 0, 0, 0.5);
    }

    .lesson .card:hover .btn {
        opacity: 1;
    }

}


/* Active lesson / topic button styling */
.active-lesson {
    /* color:white !important; */
    background-color: rgb(60, 185, 56) !important;
    /* background-image: linear-gradient(to bottom right, rgb(255, 255, 255), rgb(131, 252, 127)); */
    border-bottom: 1pt solid #ffffff;
}

.active-topic,
.active-lesson {
    background-color: rgb(131, 252, 127) !important;
}

/*
.topic-btn {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
} */


/* .topic-title {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
} */


@media (max-width:768px) {
    .sidebar {
        display: none;
    }
}

.card {
    min-width: 250px;
}


span {
    overflow: hidden;
}

.ca {
    white-space: nowrap;
}

.bar {
    height: 18px;
    background: linear-gradient(to right, #45bb00, rgb(73, 255, 73));
    border-color: rgb(0, 0, 0);
    border-radius: 2em;
}

#video-widget {
    border-radius: 0.5em;
    background-color: rgb(245, 245, 245);
    margin: 1em 0em 0em 0em !important;
    width: 100%;
    border: 1pt solid rgb(196, 196, 196);
}

#video-upload-title {
    border-bottom: 1pt solid rgb(196, 196, 196);
}

#progress-text {
    white-space: nowrap;
}

.home-page-btn:hover {
    /* background: linear-gradient(to bottom, #ffffff, rgba(0, 0, 0, 0.041)); */
    border:1pt solid rgba(0, 0, 0, 0.1);
    /* border-top:1pt solid rgba(0, 0, 0, 0.1); */
    /* border-radius: 0.25em; */
}

.sidebar-brand-icon {
    opacity: 0.5;
}

.sidebar-brand-icon:hover {
    cursor: pointer;
    opacity: 1;
}

a {
    text-decoration: none !important;
}

hr {
    padding: 0;
    margin: 0;
}

/*Start Changes by Abdallah*/
.lesson-item-row {
    padding-top: .5em;
    padding-left: .5em;
}

.topic-title {
    padding-left: 0;
    text-align: left;
    line-height: initial;
}

.sidebar-lesson-topics {
    padding-bottom: .5em;
}

.lesson-btn-row {
    padding: .5em;
    padding-left: 0em;
    margin: 0;
    background: #ecfdff;
    color: #005461;
}

#accordionSidebar, #accordionSidebarRight {
    min-width: 320px;
}

.nav-link {
    min-width: 100%;
}

#lesson-topbar {
    margin-left: 320px;
    margin-right: 320px;
}

/*end  Changes by Abdallah*/

@media screen and (max-width: 768px) {
    #lesson-topbar {
        margin-left: 0;
    }
}

#lesson-preview-options-container {
    padding-bottom: 15px;
}

/* Sidebar Toggle on Border */
.sidebar-toggle-border {
    position: fixed;
    left: 320px;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    transition: left 0.15s ease;
}

.sidebar-toggle-border button {
    width: 2.5rem;
    height: 2.5rem;
    background-color: #3a3b45;
    color: rgba(255, 255, 255, 0.8);
    border: 2px solid #5a5c69;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.3);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding-left: 0.5rem;
    font-size: 0.875rem;
    transition: all 0.15s ease;
}

.sidebar-toggle-border button:hover {
    background-color: #2e2f37;
    color: rgba(255, 255, 255, 1);
    border-color: #4e4f5a;
    box-shadow: 0 0.25rem 2rem 0 rgba(58, 59, 69, 0.4);
}

.sidebar-toggle-border button:focus {
    outline: none;
}

.sidebar-toggle-border button::after {
    font-weight: 900;
    content: '\f104';
    font-family: 'Font Awesome 5 Free';
    color: inherit;
}

/* Adjust position and icon when sidebar is collapsed */
.sidebar-toggle-border.collapsed {
    left: 64px;
}

.sidebar-toggle-border.collapsed button::after {
    content: '\f105';
    font-family: 'Font Awesome 5 Free';
}

/* Hide on mobile */
@media (max-width: 991.98px) {
    .sidebar-toggle-border {
        display: none;
    }
}

/* Responsive positioning/sizing for session timeout alerts */
#jTimeoutAlert,
#jTimedoutAlert {
    position: fixed !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    right: auto !important;
    max-width: 420px;
    width: 90vw;
    z-index: 20000; /* above nav */
}

/* Portrait phones */
@media (max-width: 575.98px) {
    #jTimeoutAlert,
    #jTimedoutAlert {
        top: 12vh !important;
        max-height: 76vh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* Landscape phones (short height) */
@media (orientation: landscape) and (max-height: 480px) {
    #jTimeoutAlert,
    #jTimedoutAlert {
        top: 8vh !important;
        width: 92vw;
        max-width: 520px; /* utilize width due to short height */
        max-height: 82vh;
        overflow-y: auto;
    }
    #jTimeoutAlert .btn,
    #jTimedoutAlert .btn {
        padding: .4rem .6rem;
        font-size: .95rem;
    }
}