/* ------------------------------------------------------------------------- */
/* filter */
/* ------------------------------------------------------------------------- */

.filter-program {
    background-size: cover;
    background-position: center;
    border-radius: .5rem;
    overflow: hidden;
    cursor: pointer;
    height: 6.5rem;
}

.filter-program > div {
    background-color: rgba(0, 0, 0, 0.8);
    color: var(--primary-white);
    padding: 1rem;
    height: 100%;
    display: flex;
    position: relative;
    transition: background-color 0.3s ease;
}

.filter-program:hover > div {
    background-color: rgba(0, 0, 0, 0.6);
}

.filter-program > div > div {
    margin: auto 0;
}

.filter-program.selected > div {
    background-color: rgba(106, 168, 217, 0.8);
}

.filter-program.selected > div::after {
    content: '\f00d';
    font-family: 'Line Awesome Free';
    font-weight: 900;
    position: absolute;
    top: .4rem;
    right: .5rem;
}

.filter-topic {
    border-radius: .5rem;
    cursor: pointer;
    background-color: #f4f4f4;
    display: inline-block;
    padding: .4rem 1rem;
    transition: background-color 0.3s ease;
}

.filter-topic:hover {
    background-color: #e6e6e6;
}

.filter-topic.selected {
    background-color: var(--primary-blue);
    color: var(--primary-white);
}

.filter-topic.selected::after {
    content: '\f00d';
    font-family: 'Line Awesome Free';
    font-weight: 900;
    margin-left: .6rem;
    font-size: 90%;
}

/* ------------------------------------------------------------------------- */
/* course card */
/* ------------------------------------------------------------------------- */

.course-card {
    background-color: var(--primary-white);
    border-radius: .5rem;
    box-shadow: 0 4px 4px #eeeeee;
    overflow: hidden;
    cursor: pointer;
}

.course-card:hover {
    transform: translate(0, -.2rem);
    transition: transform 200ms ease-in-out 0s;
}

.course-card.inactive {
    filter: grayscale(1); 
    opacity: 0.5;
}

.course-card > .course-program {
    text-align: center;
    background-color: var(--primary-blue);
    color: var(--primary-white);
    padding: 4px 8px;
    font-size: 16px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.course-card > .course-thumbnail-container {
    height: 140px;
    overflow: hidden;
}

.course-card > .course-thumbnail-container > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.course-card > .course-content-container {
    height: 160px;
    margin: 1rem;
    margin-bottom: .75rem;
    overflow: hidden;
}

/* .course-card > .course-content-container > .course-name {
    font-size: 20px;
    line-height: 24px;
    max-height: 48px;
    margin-bottom: 4px;
    overflow: hidden;
} */

.course-card > .course-content-container > .course-datetime-container {
    margin-bottom: 12px;
}

.course-card > .course-content-container > .course-datetime-container > .course-datetime {
    color: #aaaaaa;
    font-size: 14px;
    line-height: 21px;
    height: 21px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.course-card > .course-content-container > .course-topics-container {
    max-height: 58px;
    overflow: hidden;
}

.course-card > .course-content-container > .course-topics-container > .course-topic {
    background-color: var(--primary-light-blue);
    color: var(--primary-blue);
    border-radius: .25rem;
    padding-left: 8px;
    padding-right: 8px;
    padding-top: 5px;
    padding-bottom: 7px;
    margin-right: 6px;
    margin-bottom: 6px;
    font-size: 13px;
    line-height: 13px;
    display: inline-block;
    white-space: pre;
}

.course-card > .course-instructor-container {
    margin: 1rem;
    margin-top: .75rem;
    height: 50px;
    overflow: hidden;
    display: flex;
}

.course-card > .course-instructor-container > div > .course-instructor-image {
    display: inline-block;
    height: 50px;
    border-radius: 100%;
    border: 2.6px solid white;
    margin-right: -8px;
    margin-left: -2px;
    object-fit: cover;
}

.course-card > .course-instructor-container > .course-instructor-name {
    color: #888888;
    margin-top: auto;
    margin-bottom: auto;
    margin-left: 1rem;
    padding-top: .25rem;
    font-size: 16px;
    line-height: 16px;
    height: 30px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.course-card:hover > div > .view-course-description::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

.view-course-description::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-blue);
    transform-origin: bottom right;
    transition: transform 0.25s ease-out;
}

@media only screen and (max-width: 576px) {
    
    .course-card > .course-content-container,
    .course-card > .course-instructor-images-container {
        height: fit-content !important;
    }

}

hr {
    margin: 1rem;
    background-color: #ccc;
}