/* Session explanation cards stack below the player, newest first. */
#nihonez-primary .vl-explanations.hidden {
  display: none;
}

#nihonez-primary .vl-explanations {
  width: 100%;
  color: var(--vl-ink);
}

#nihonez-primary .vl-explanations-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 0 0 10px;
}

#nihonez-primary .vl-explanations-heading > div {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
}

#nihonez-primary .vl-explanations-title {
  color: var(--vl-muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

#nihonez-primary .vl-explanations-count {
  color: var(--vl-muted);
  font-size: 12px;
}

#nihonez-primary .vl-explanations-clear {
  flex: 0 0 auto;
  padding: 5px 10px;
  border: 1px solid var(--vl-line);
  border-radius: 8px;
  background: var(--vl-card);
  color: var(--vl-muted);
  box-shadow: none;
  font-size: 11.5px;
}

#nihonez-primary .vl-explanations-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#nihonez-primary .vl-explain-card {
  overflow: hidden;
  border: 1px solid var(--vl-line);
  border-radius: 13px;
  background: var(--vl-card);
  color: var(--vl-ink);
  box-shadow: var(--vl-shadow);
}

#nihonez-primary .vl-explain-card-header {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 8px 10px 8px 14px;
  border-bottom: 1px solid var(--vl-line-soft);
}

#nihonez-primary .vl-explain-card.is-collapsed .vl-explain-card-header {
  border-bottom: 0;
}

#nihonez-primary .vl-explain-card-title {
  display: block;
  min-width: 0;
  overflow: hidden;
  color: var(--vl-ink);
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#nihonez-primary .vl-explain-card-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

#nihonez-primary .vl-explain-card-toggle,
#nihonez-primary .vl-explain-card-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--vl-muted);
  box-shadow: none;
  font-size: 17px;
  line-height: 1;
}

#nihonez-primary .vl-explain-card-remove {
  background: var(--vl-panel-soft);
}

#nihonez-primary .vl-explain-card-toggle:hover,
#nihonez-primary .vl-explain-card-remove:hover,
#nihonez-primary .vl-explanations-clear:hover {
  color: var(--vl-accent);
}

#nihonez-primary .vl-explain-card-body {
  padding: 15px 16px 17px;
  font-size: 13px;
  line-height: 1.6;
}

#nihonez-primary .vl-explain-card.is-collapsed .vl-explain-card-body {
  display: none;
}

#nihonez-primary .vl-line-more-body {
  font-size: 13px;
  line-height: 1.6;
}

#nihonez-primary .vl-explain-detail + .vl-explain-detail {
  margin-top: 13px;
}

#nihonez-primary .vl-explain-label {
  margin: 0 0 4px;
  color: var(--vl-ink);
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1.35;
}

#nihonez-primary .vl-explain-detail p {
  margin: 0;
}

#nihonez-primary .vl-explain-breakdown {
  margin: 3px 0 0;
  padding-left: 19px;
}

#nihonez-primary .vl-explain-breakdown li + li {
  margin-top: 5px;
}

#nihonez-primary .vl-explain-summary {
  margin: 0;
  color: var(--vl-ink);
  font-size: 13.5px;
  line-height: 1.65;
}

#nihonez-primary .vl-explain-vocabulary {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 6px;
}

#nihonez-primary .vl-explain-vocab-row {
  display: grid;
  grid-template-columns: minmax(76px, 0.7fr) minmax(72px, 0.8fr) minmax(130px, 1.6fr);
  align-items: baseline;
  gap: 14px;
}

#nihonez-primary .vl-explain-vocab-word {
  color: var(--vl-ink);
  font-size: 15px;
}

#nihonez-primary .vl-explain-vocab-reading,
#nihonez-primary .vl-explain-vocab-meaning {
  color: var(--vl-muted);
  font-size: 12.5px;
}

@media (max-width: 520px) {
  #nihonez-primary .vl-explain-vocab-row {
    grid-template-columns: minmax(58px, 0.65fr) minmax(60px, 0.75fr) minmax(105px, 1.4fr);
    gap: 9px;
  }
}

#nihonez-primary .video-learning-container > .nihonez-notes-panel {
  grid-column: 1;
  grid-row: 2;
  margin: 4px 10px 0 0;
  padding-top: 16px;
  border-top-color: var(--vl-line);
}

#nihonez-primary .nihonez-notes-title,
#nihonez-primary .nihonez-notes-status,
#nihonez-primary .nihonez-notes-all-link,
#nihonez-primary .nihonez-notes-add-btn {
  color: var(--vl-muted);
}