.detail-container {
  position: relative;
  padding: 1rem 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.close-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: none;
  border: 1px solid var(--color-divider);
  border-radius: 50%;
  width: 30px;
  height: 30px;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  transition: all 0.2s ease;
}

.close-btn:hover {
  background-color: var(--color-hover);
  color: var(--color-heading);
  border-color: var(--color-secondary);
}

.detail-header {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.detail-header h1 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--color-text);
  padding-right: 2rem;
  line-height: 1.3;
}

.detail-header .subtitle {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--color-secondary);
  font-weight: normal;
  font-style: italic;
}

.detail-header .authors {
  font-size: 0.95rem;
  color: var(--color-secondary);
}

.detail-header .series {
  font-size: 0.85rem;
  color: var(--color-muted);
  font-style: italic;
}

.detail-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.metadata dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.2rem 1rem;
}

.meta-row {
  display: contents;
}

.metadata dt {
  font-weight: 600;
  color: var(--color-secondary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.metadata dd {
  color: var(--color-text);
  font-size: 0.9rem;
  margin: 0;
}

.abstract, .comment, .notes {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.abstract h2, .comment h2, .notes h2 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-heading);
  border-bottom: 1px solid var(--color-divider);
  padding-bottom: 0.25rem;
}

.abstract p, .comment p, .notes p {
  line-height: 1.7;
  color: var(--color-text-body);
  font-size: 0.92rem;
}

.note-entry {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding-left: 0.75rem;
  border-left: 2px solid var(--color-divider);
}

.note-date {
  font-size: 0.8rem;
  color: var(--color-muted);
  font-style: italic;
}

.no-data {
  padding: 3rem 2rem;
  text-align: center;
  color: var(--color-faint);
  font-size: 1rem;
  font-style: italic;
}

.count {
  font-weight: normal;
  color: var(--color-faint);
  font-size: 0.85em;
}