/**********************
 * Common
 **********************/
.thumbnail (@width: 150px, @height: 150px, @object-fit: contain) {
    text-align: center;

    img {
        width: @width;
        height: @height;
        object-fit: @object-fit;
    }
}

.excerpt (@lineHeight: 1.2em, @lineCount: 1, @bgColor: white){
    overflow: hidden;
    position: relative;
    line-height: @lineHeight;
    max-height: calc(@lineHeight * @lineCount);
    text-align: justify;
    margin-right: -1em;
    padding-right: 1em;

    &:before {
        content: '...';
        position: absolute;
        right: 0;
        bottom: 0;
    }

    &:after {
        content: '';
        position: absolute;
        right: 0;
        width: 1em;
        height: 1em;
        margin-top: 0.2em;
        background: @bgColor;
    }
}

/**********************
 * Card
 **********************/
.card {
    position: relative;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    background-color: #fff;
    border: 1px solid rgba(0,0,0,.125);
    border-radius: .25rem;

    .card-header {
        padding: .75rem 1.25rem;
        margin-bottom: 0;
        background-color: #f7f7f9;
        border-bottom: 1px solid rgba(0,0,0,.125);

        &:first-child {
            border-radius: calc(.25rem - 1px) calc(.25rem - 1px) 0 0;
        }
    }

    .card-img-top {
        padding-top: 2rem;
        .thumbnail;
    }

    .card-block {
        -webkit-box-flex: 1;
        -webkit-flex: 1 1 auto;
        -ms-flex: 1 1 auto;
        flex: 1 1 auto;
        padding: 2rem;

        .card-title {
            margin-bottom: .75rem;
        }

        .card-text {
            .excerpt(1.2em, 3);
        }
    }

    .card-footer {
        padding: .75rem 1.25rem;
        background-color: #f7f7f9;
        border-top: 1px solid rgba(0,0,0,.125);

        &:last-child {
            border-radius: 0 0 calc(.25rem - 1px) calc(.25rem - 1px);
        }
    }
}