/*ARCHIVE*/

.archive-content {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    padding: 2em;
    color: rgba(0, 42, 94, 1);
}
.archive-content h1 {
    font-weight: 200;
    font-size: 3em;
    margin: 0;
}

.archive-content em {
    color: rgb(228, 166, 0);
    font-style: normal;
}

.archive-content p {
    font-family: bebas-neue-pro, sans-serif;font-size:1.2em}

.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-bottom: 1.75rem;
    margin-top: 3em;
    user-select: none;
    flex-direction: row;
}
.controls strong {
    color: rgba(0, 42, 94, 1);
    font-family: bebas-neue-pro, sans-serif;
    font-weight: 300;
    font-size: 1.25em;
    text-transform: uppercase;
}
button.sort-btn {
    cursor: pointer;
    background-color: transparent;
    outline: 1px solid rgba(0, 42, 94, 1);
    border: 0;
    font-family: bebas-neue-pro, sans-serif;
    font-size: 1.25em;
    text-transform: uppercase;
    padding: 7px;
    width: 122px;
    border-radius: 20px;
}
button.sort-btn.selected,
button.sort-btn:hover,
button.sort-btn:focus-visible {
    background-color: rgba(0, 42, 94, 1);
    border-color: rgba(0, 42, 94, 1);
    color: white;
}
#searchBar {
    flex-grow: 1;
    margin-left: auto;
    padding: 11px 18px 9px 18px;
    font-size: 15px;
    border-radius: 25px;
    border: 1px solid #ccc;
    min-width: 220px;
    max-width: 100%;
    box-sizing: border-box;
    user-select: text;
    font-family: bebas-neue-pro, sans-serif;
    font-size: 1.25em;
}
section.group {
    margin-bottom: 1rem;
}
section.group h2 {
    padding-bottom: 7px;
    margin: 1.5rem 1rem 0 1rem;
    color: #003366;
    font-size: 2rem;
    user-select: text;
    font-weight: 300;
}

span.lecture-name {
    font-family: bebas-neue-pro, sans-serif;
    font-weight: 300;
    font-size: 1.3rem;
}
ul.lecture-list {
    list-style: none;
    margin: 0;
    padding: 1.5rem;
    outline: 1px solid rgba(0, 42, 94, 1);
}
li.lecture-item {
    border-radius: 0;
    overflow: hidden;
}
button.lecture-header {
    all: unset;
    cursor: pointer;
    display: flex;
    align-items: center;
    width: 100%;
    padding: 5px 18px;
    font-size: 18px;
    font-weight: 700;
    color: #004080;
    user-select: none;
    border-bottom: 1px solid rgba(228, 166, 0, 0);
    transition: all 500ms ease;
}
button.lecture-header:hover,
button.lecture-header:focus {
    border-bottom: 1px solid rgba(228, 166, 0, 1);
}

lecture-header .lecture-name,
button.lecture-header .lecture-name {
    transition: all 200ms ease;
}

button.lecture-header:hover .lecture-name,
button.lecture-header:focus .lecture-name {
    color: rgb(228, 166, 0);
    font-size: 1.2em;
}

div.lecturers {
    font-weight: 500;
    font-size: 16px;
    color: #555;
    margin-top: 2px;
    user-select: text;
    font-family: alegreya, serif;
    font-style: italic;
}
span.expand-icon {
    font-weight: 900;
    font-size: 22px;
    color: #004080;
    user-select: none;
    transition: transform 0.35s ease;
    line-height: 1;
}
button[aria-expanded="true"] > span.expand-icon {
    transform: rotate(90deg);
}
div.video-container {
    max-height: 0;
    overflow: hidden;
    transition:
        max-height 0.5s ease,
        padding 0.4s ease;
}
div.video-container.expanded {
    padding: 15px;
    max-height: 1110px;
}
div.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 6px;
}
div.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    max-height: 1080px;
    border: 0;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    border-radius: 6px;
}

.videoThumbContainer {
    height: 75px;
    margin-right: 1rem;
    position: relative;
}

.videoThumb {
    height: 100%;
}

button.lecture-header:hover .videoThumbContainer::before,button.lecture-header:focus .videoThumbContainer::before {
    content: "";
    display: block;
    width: 100%;
    height: 75px;
    background-color: rgba(0, 0, 0, 0.5);
    position: absolute;
}

button.lecture-header:hover .videoThumbContainer::after{
    content: "▶";
    display: flex;
    font-size: 1.35em;
    color: rgba(255, 255, 255, 1);
    position: absolute;
    top: 20px;
    right: 55px;
}

button.lecture-header:focus .videoThumbContainer::after{
    content: "⏸︎";
    display: flex;
    font-size: 1.35em;
    color: rgba(255, 255, 255, 1);
    position: absolute;
    top: 20px;
    right: 55px;
}

button.lecture-header {background-color:rgba(255, 255, 255, 0.0); transition:background-color 1s ease; padding-right:30px}

button.lecture-header:focus{background-color:rgba(255, 255, 255, 0.75);}

@media only screen and (max-width: 810px) {
    .controls {
        flex-direction: column;
    }

    button.sort-btn,
    #searchBar,
    .controls {
        width: 100%;
        font-size: 1.25em;
    }

    div.video-container.expanded {
        padding: 0;
    }

    ul.lecture-list {
        padding: 0.5rem;
    }

    .archive-content {
        padding: 1rem;
    }

    .slide-archive {
        grid-template-columns: 5% 1fr 5%;
    }
}