/** Classroom sections
 * (main layout css-classes)
 * -----------------------------------------------------------------------------
 *  .classroom {
 *      .top-bar {
 *          .breadcrumb
 *          .admin
 *      }
 *      .side-bar {
 *          .search
 *          .categories
 *      }
 *      .content
 *  }
 * -----------------------------------------------------------------------------
 */


/* Variables
 * ----------------------------------------------------------------------------
 */

:root {
    --class-blue: #337ab7;
    --class-blue-opaque: #337ab799;
    --class-blue-dark: #082e44;
    --class-orange: #f47920;
    --class-orange-opaque: #f4792099;
    --class-grey-background: #eeedeb;
    --class-red: #d13;
}



/* main layout classes
 * ----------------------------------------------------------------------------
 */

.classroom .top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
}

.classroom .top-bar .breadcrumb { margin: 0; padding: 0; background: none; }

  
.classroom .top-bar .admin .dropdown-menu .fas {
    width: 32px;
    text-align: center;
}



/* category list menu
 * -----------------------------------------------------------------------------
 */

 .classroom .side-bar { padding-top: 20px; }
 .classroom .side-bar h3 {
    font-weight: 600; font-size: 1.4em;
    color: var(--class-blue);
}

 /* --- ul > li > a --- */

.classroom .side-bar ul { list-style: none; padding: 0; }
.classroom .side-bar ul li { margin: 0.5em 0; }
.classroom .side-bar  ul li a {
    display: flex;
    padding: .2em;
    background: #4442;
    border-radius: 6px;
    transition: background 0.3s;
}
.classroom .side-bar  ul li a:hover,
.classroom .side-bar  ul li a:active {
    background: #cde;
    text-decoration: none;
}

/* --- li > a > span --- */

.classroom .side-bar  ul li a span {
    display: block;
    align-self: center;
    padding: .3em;
}
.classroom .side-bar  ul li a .label {
    font-size: 13px;
    color: var(--class-blue-dark);
    flex-grow: 1;
    text-align: left;
    padding-left: 1em;
    border-radius: 6px;
    white-space: normal;
    font-weight: 400;
}

/* --- inner --- */

.classroom .side-bar  ul .inner {
    padding-left: 1em;
    overflow: hidden;
    display: none;
}
.classroom .side-bar  ul .inner.show { display: block; }

/* --- has-childs | toggler --- */

.classroom .side-bar  ul li a.has-childs { background: #9bf4; }
.classroom .side-bar  ul li a.has-childs:hover { background: #cde;}

.classroom .side-bar  ul li a.has-childs .label {
    font-weight: 600;
    border-radius: 6px 0 0 6px;
    width: calc(100% - 36px);
}

.classroom .side-bar  ul li a.has-childs .toggler {
    text-align: center;
    width: 32px;
    font-size: 15px;
    border-radius: 4px;
    background: #7774;
    font-weight: 700;
}
.classroom .side-bar  ul li a.has-childs .toggler:hover {
    background: var(--class-blue);
    color: #fff;
}
.classroom .side-bar ul li a.selected {
    background: var(--class-orange-opaque);
}
.classroom .side-bar ul li a:hover,
.classroom .side-bar ul li a:active,
.classroom .side-bar ul li a:focus,
.classroom .side-bar ul li a:visited,
.classroom .side-bar ul li a:link,
.classroom .side-bar ul li a span:hover,
.classroom .side-bar ul li a span:active,
.classroom .side-bar ul li a span:focus,
.classroom .side-bar ul li a span:visited,
.classroom .side-bar ul li a span:link,
.classroom .side-bar ul li a span:target { text-decoration: none !important; }



.classroom .post img { max-width: 100%; }



/** breadcrumb
 * -----------------------------------------------------------------------------
 */

.classroom .breadcrumb { counter-reset: var(--class-blue); }
.classroom .breadcrumb i.fas { padding: 0 6px; }




/** content
 * -----------------------------------------------------------------------------
 */

.classroom .content--wrapper {
    max-width: 1024px;
    width: 100%;
    margin: 1em auto;
    padding: 0 2em 2em 2em;
}
.classroom .content h2 {
    font-weight: 700;
    font-size: 24px;
    padding: 8px 3em 1em 0; /* 1em 3em 1em 0; */
    color: var(--class-blue-dark);
}
.classroom .content h3 {
    font-weight: 600; font-size: 1.4em;
    padding: 1em 3em 1em 0;
    color: var(--class-blue);
    border-bottom: 1px dashed var(--class-blue-opaque);
}
.classroom .content h3 span { font-weight: 400; color: #444; }
.classroom .content p {
    line-height: 150%;
    padding: 5px 0;
}

/* --- post: medias -- */

.classroom .content--wrapper .medias {
    padding: 2em 0 1em;
    border-top: 1px solid var(--class-grey-background);
}
.classroom .content--wrapper .medias ol li {
    margin-left: -12px;
    padding: 2px 8px;
}
.classroom .content--wrapper .medias ol li::marker {
    font-size: 12px;
    color: #999;
}

/* --- post: tags --- */

.classroom .content--wrapper .tags {
    padding: 2em 0 1em;
    border-top: 1px solid var(--class-grey-background);
}
.classroom .content--wrapper .tags a {
    color: #444;
    background-color: var(--class-grey-background);
    padding: 6px 12px;
    margin: 6px;
    border-radius: 3px;
}




/** sub-categories on category page
 * -----------------------------------------------------------------------------
 */

.classroom .category-childs { margin: 1em; padding: 1em; }

.classroom .category-childs a {
    display: inline-block;
    margin: .5em;
    padding: .2em 2em;
    border-radius: 2em;
    border: 1px solid var(--class-blue);
    line-height: 2em;
    font-weight: 600;
    transition: background 0.3s;
}

.classroom .category-childs a:hover {
    background-color: var(--class-blue);
    color: #fffe;
    text-decoration: none;
}





/** articles-list
 * -----------------------------------------------------------------------------
 *   22   |  Title of artivle 
 *  July  |  path / of / categories
 *  2023  |  * some intro of article
 * -----------------------------------------------------------------------------
 */
.classroom .post-card {
    padding: .5em;
    margin: 1em;
    border-bottom: 1px solid #7773;
    display: flex;
}
.classroom .post-card .post-card--content {
    flex-grow: 1;
    width: calc(100% - 90px);
}
.classroom .post-card h3 { padding: 0; margin: 0; border: none; }
.classroom .post-card h3 a { display: block; }
.classroom .post-card h3 a:hover { color: #f47920; }
.classroom .post-card .category { color: #566; }
.classroom .post-card .intro {
    font-style: italic;
    font-size: 16px;
}
/* --- date block --- */
.classroom .date {
    display: flex;
    flex-direction: column;
    width: 90px;
}
.classroom .date p {
    padding: 0; margin: 0;
    line-height: 115%;
    text-align: center;
}
.classroom .date .day { font-size: 24px; color: var(--class-blue-opaque); }
.classroom .date .month { font-size: 16px; color: #555; }
.classroom .date .year { font-size: 12px; color: #666; }





/** post (article)
 * -----------------------------------------------------------------------------
 */



.classroom .post h2 { padding-bottom: 0; }

.classroom .post h2 span { float:right; margin-right: -3em;}

.classroom .post .intro {
    font-style: italic;
    font-size: 18px;
    color: var(--class-blue-dark);
    padding-bottom: 1em;
}

.classroom .post .post--date {
    padding: 0;
    color: var(--class-blue);
}

.classroom .article-body img {
    display: block;
    max-width: 100%;
    margin: 1em auto;
}
/*
.classroom .article-body a.modal-toggler {
    padding: 0 16px;
    background: #def;
    color: #334;
    border-radius: 3px;
    text-decoration: none;
    border: 1px solid var(--class-blue-opaque);
}
.classroom .article-body a.modal-toggler:hover { background: var(--class-blue); color: #fff; }
*/
.classroom .article-body table {
    margin: 20px auto;
    min-width: 67%;
    border-spacing: 6px 0;
    border-collapse: separate;
}
.classroom .article-body table tr { margin: 4px; }
.classroom .article-body table thead th {
    color: var(--class-btn-blue);
    border-bottom: 3px solid var(--class-blue);
    padding: 0 8px;
}
.classroom .article-body table tbody td {
    padding: 6px 8px;
    border-bottom: 1px solid var(--class-grey-background);
}