:root {
  --type-admin-title: clamp(2rem, 4vw, 4rem);
  --type-admin-subtitle: clamp(1.6rem, 2.5vw, 2.5rem);
  --type-admin-count: 2rem;
  --type-admin-guide: .9rem;
  --type-admin-meta: .65rem;
  --type-admin-rank: 1.5rem;
  --type-admin-body: 1rem;
  --type-admin-detail: .72rem;
  --type-admin-toggle: .76rem;
  --type-admin-notice: .78rem;
  --admin-highlight-min-height: 112px;
  --admin-record-min-height: 116px;
  --admin-control-size: 44px;
  --admin-control-icon-size: 18px;
  --admin-search-min-height: 48px;
  --admin-checkbox-size: 18px;
  --admin-notice-min-height: 28px;
  --admin-selected-min-width: 320px;
  --admin-toggle-min-width: 220px;
  --admin-drag-column: 40px;
  --admin-drag-column-mobile: 28px;
  --admin-rank-column-mobile: 36px;
}

.lecture-admin {
  grid-column: 1 / -1;
  margin-top: var(--space-20);
  padding-top: var(--space-16);
  border-top: 1px solid var(--rule);
}

.lecture-admin__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}

.lecture-admin__head h2,
.lecture-admin__subhead h3 {
  margin: var(--space-3) 0 0;
  color: var(--paper-bright);
  font-weight: 400;
  letter-spacing: -.04em;
}

.lecture-admin__head h2 {
  font-size: var(--type-admin-title);
}

.lecture-admin__subhead h3 {
  font-family: var(--font-display);
  font-size: var(--type-admin-subtitle);
}

.lecture-admin__head > div > p:last-child {
  max-width: 62ch;
  margin: var(--space-4) 0 0;
  color: var(--paper-muted);
  line-height: 1.75;
  word-break: keep-all;
}

.lecture-admin__layout {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(var(--admin-selected-min-width), 4fr) minmax(0, 8fr);
  gap: var(--space-12);
}

.lecture-admin__selected {
  position: sticky;
  top: var(--space-6);
}

.lecture-admin__subhead {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--rule);
}

#adminLectureCount {
  color: var(--red);
  font-family: var(--font-display);
  font-size: var(--type-admin-count);
  font-variant-numeric: tabular-nums;
}

#adminLectureCount[data-complete='false'] {
  color: var(--warning);
}

.lecture-admin__guide {
  margin: var(--space-4) 0 var(--space-6);
  color: var(--paper-muted);
  font-size: var(--type-admin-guide);
  line-height: 1.7;
  word-break: keep-all;
}

.lecture-admin__highlights,
.lecture-admin__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.lecture-admin__highlight {
  display: grid;
  min-height: var(--admin-highlight-min-height);
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--rule);
  cursor: grab;
  grid-template-columns: var(--admin-drag-column) var(--admin-control-size) minmax(0, 1fr) auto;
  gap: var(--space-3);
}

.lecture-admin__highlight:active {
  cursor: grabbing;
}

.lecture-admin__highlight[data-dragging='true'] {
  opacity: .45;
}

.lecture-admin__drag,
.lecture-admin__rank,
.lecture-admin__record-copy > span {
  color: var(--paper-muted);
  font-family: var(--font-meta);
  font-size: var(--type-admin-meta);
  font-weight: 700;
  letter-spacing: .08em;
}

.lecture-admin__drag {
  color: var(--red);
  writing-mode: vertical-rl;
}

.lecture-admin__rank {
  font-family: var(--font-display);
  font-size: var(--type-admin-rank);
}

.lecture-admin__highlight h4,
.lecture-admin__record h4 {
  margin: 0;
  color: var(--paper-bright);
  font-size: var(--type-admin-body);
  line-height: 1.55;
  word-break: keep-all;
}

.lecture-admin__highlight p,
.lecture-admin__record p {
  margin: var(--space-2) 0 0;
  color: var(--paper-muted);
  font-size: var(--type-admin-detail);
  line-height: 1.5;
}

.lecture-admin__move {
  display: flex;
  gap: var(--space-1);
}

.lecture-admin__move button {
  display: grid;
  width: var(--admin-control-size);
  height: var(--admin-control-size);
  place-items: center;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--paper-muted);
  cursor: pointer;
}

.lecture-admin__move button:hover:not(:disabled) {
  border-color: var(--paper-bright);
  color: var(--paper-bright);
}

.lecture-admin__move button:disabled {
  opacity: .3;
}

.lecture-admin__move svg {
  width: var(--admin-control-icon-size);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

.lecture-admin__search,
.lecture-admin__label {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-6) 0;
  color: var(--paper-muted);
  font-family: var(--font-meta);
  font-size: var(--type-admin-detail);
  letter-spacing: .06em;
}

.lecture-admin__search input,
.lecture-admin__label input {
  min-height: var(--admin-search-min-height);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--rule-bright);
  border-radius: 0;
  background: var(--ink);
  color: var(--paper-bright);
  font-family: var(--font-editorial);
  font-size: var(--type-admin-body);
}

.lecture-admin__label input {
  font-family: var(--font-meta);
  letter-spacing: .08em;
}

.lecture-admin__record {
  display: grid;
  min-height: var(--admin-record-min-height);
  align-items: center;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--rule);
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-6);
}

.lecture-admin__record-copy > span {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--red);
}

.lecture-admin__toggles {
  display: grid;
  min-width: var(--admin-toggle-min-width);
  gap: var(--space-2);
}

.lecture-admin__toggles label {
  display: flex;
  min-height: var(--admin-control-size);
  align-items: center;
  gap: var(--space-3);
  color: var(--paper-muted);
  cursor: pointer;
  font-family: var(--font-meta);
  font-size: var(--type-admin-toggle);
}

.lecture-admin__toggles input {
  width: var(--admin-checkbox-size);
  height: var(--admin-checkbox-size);
  accent-color: var(--red);
}

.lecture-admin__notice {
  min-height: var(--admin-notice-min-height);
  margin: var(--space-6) 0 0;
  color: var(--success);
  font-family: var(--font-meta);
  font-size: var(--type-admin-notice);
}

.lecture-admin :focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

@media (max-width: 920px) {
  .lecture-admin__layout {
    grid-template-columns: 1fr;
  }

  .lecture-admin__selected {
    position: static;
  }
}

@media (max-width: 640px) {
  .lecture-admin__head,
  .lecture-admin__record {
    align-items: stretch;
    grid-template-columns: 1fr;
  }

  .lecture-admin__head {
    flex-direction: column;
  }

  .lecture-admin__head .proof-admin__button {
    width: 100%;
  }

  .lecture-admin__highlight {
    grid-template-columns: var(--admin-drag-column-mobile) var(--admin-rank-column-mobile) minmax(0, 1fr);
  }

  .lecture-admin__move {
    grid-column: 3;
  }

  .lecture-admin__toggles {
    min-width: 0;
  }
}

.lecture-admin__head .proof-admin__button:disabled {
  cursor: not-allowed;
  opacity: .35;
}