.file_filter_list {
  margin: 0 0 15px;
  padding:  15px;
  border-radius: 7px;
  line-height: 1;
  font-size: 0.9rem;
  background-color: #f3f3f3;
}

.file_filter_item {
  margin: 0 0 15px;
}
.file_filter_item:last-child {
  margin-bottom: 0;
}

.file_filter_item ul {
  margin: 0 0 0 15px !important;
  padding: 0 !important;
}

.file_filter_item li {
  margin: 0 !important;
  padding: 0 !important;
}

.file_filter_item strong,
.file_filter_item ul,
.file_filter_item li,
.file_filter_item li a,
.file_filter_item li span {
  display: inline-block;
  vertical-align: middle;
  line-height: 1;
}

.file_filter_item li a {
  text-decoration: underline;
  padding: 5px 10px;
  border-radius: 3px;
  cursor: pointer;
}
.file_filter_item li a:hover {
  background-color: rgba(0,0,0, 0.1);
}

.file_filter_item li a.selected {
  text-decoration: none;
  color: #333;
  background-color: rgba(0,0,0,0.2);
}

/* -------------------------------------------------------------------------- */
/* Default File list styles */

.file_list_body {
  display: grid;
  grid-template-columns: 50% 50%;
  gap: 10px;
}

@media screen and (max-width: 1000px) {
  .file_list_body {
    grid-template-columns: 100%;
  }
}

.file_list_body > div > a {
  display: block;
  background-color: #f9f9f9;
  border: solid 1px #ccc;
  padding: 10px;
  padding-right: 60px;
  border-radius: 2px;
  position: relative;
  line-height: 1.25;
  font-size: 0.9rem;
  transition: background 0.25s;
}
.file_list_body > div > a:hover {
  color: #333;
  background-color: #eee;
}
.ico_down {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 2rem;
  transform: translateY(0);
}
.file_list_body > div > a:hover .ico_down {
  animation: loop_icon 0.8s linear infinite;
}
.file_list_body cite {
  font-size: 0.8rem;
}
.file_item .file_title {
  display: block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}


@keyframes loop_icon {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(5px);
  }
  100% {
    transform: translateY(0);
  }
}


/* -------------------------------------------------------------------------- */
/* Default open close list styles */

.file_list_items details {
  margin: 0 0 20px;
  background-color: #eaeaea;
  border-radius: 4px;
  padding: 10px;
  transition: background 0.5s;
}
.file_list_items details:hover,
.file_list_items details[open] {
  background-color: #f3f3f3;
}

/* Hide default arrow */
.file_list_items summary::-moz-list-bullet {
  list-style-type: none;
  display: block;
}
/* Create customizable arrow */
.file_list_items summary:before {
  content: ' ';
  border: solid #939faa;
  border-width: 0 2px 2px 0;
  display: inline-block;
  padding: 0 10px 10px 0;
  transform: rotate(-45deg);
  vertical-align: middle;
  line-height: 1;
  transition: transform 0.5s;
  transform-origin: center center;
}

.file_list_items summary::marker {
  content: "";
}

.file_list_items details:hover summary:before,
.file_list_items details[open] summary:before {
  transform: rotate(45deg);
}

.file_list_items details[open] summary {
  margin: 0 0 20px;
}

.file_list_items summary {
  cursor: pointer;
}

.file_list_items summary > strong {
  display: inline-block;
  margin: 0;
  padding: 0 0 0 15px;
  vertical-align: middle;
  line-height: 1;
  font-size: 1.4rem;
}

.file_list_items .nb_files {
  float: right;
}