/* backdrop */
#filterBackdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: none;
    z-index: 1040;
}

/* drawer */
.bs4-offcanvas {
    position: fixed;
    top: 0;
    right: -340px;
    width: 340px;
    height: 100%;
    background: #fff;
    z-index: 1050;
    transition: right 0.3s ease;
    box-shadow: -2px 0 10px rgba(0,0,0,0.2);
}

    /* open state */
    .bs4-offcanvas.show {
        right: 0;
    }

#filterBackdrop.show {
    display: block;
}

.offcanvas-header {
    padding: 15px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.offcanvas-body {
    padding: 15px;
    overflow-y: auto;
    height: calc(100% - 60px);
}

#closeFilter {
    padding-right: 4px;
    margin-top: -6px;
    background: none;
    border: none;
    font-size: 20px;
}