/* Viewer sections */

.viewer-sections {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: black;
  color: white;
  display: block;
  transition: transform 0.2s;
  transform: translateZ(0) translateY(25rem);
  border-top: 1px solid #fff;
}
.nav-open .viewer-sections {
  transform: translateZ(0) translateY(0);
}
.checklist-open .viewer-sections {
  transform: translateZ(0) translateY(calc(3rem - 100vh - 4px));
  z-index: 20;
}

/* scrolling part */

.viewer-sections .viewer-sections-scroll {
  width: 100%;
  white-space: nowrap;
  overflow-y: auto;
}
.viewer-sections-scroll::-webkit-scrollbar {
  cursor: pointer;
  user-select: none;
  height: 4px
}
.viewer-sections-scroll::-webkit-scrollbar-button {
  display: block;
  width: 0;
  height: 0;
}
.viewer-sections-scroll::-webkit-scrollbar-track-piece {
  background:rgba(211,211,211,0.8);
}
.viewer-sections-scroll::-webkit-scrollbar-thumb {
  display: block;
  background: #000;
}

/* clickable section indicators */

.viewer-sections .viewer-section {
  display: inline-flex;
  white-space: normal;
  width: 12rem;
  margin: 1rem 0 1rem 1rem;
  font-size: 16px;
  cursor: pointer;
}
.viewer-section > div {
  height: 20rem;
}
.viewer-sections .section-thumbnail {
  display: block;
  border-radius: 1rem;
  width: 12rem;
  height: 8rem;
  margin-bottom: 0.5rem;
  background-size: cover;
  background-position: center center;
}
.viewer-sections .section-media {
  margin-top: 0.75rem;
  font-size: 12px;
}