.book-detail-not-found {
  text-align: center;
  max-width: 28rem;
  margin: 1rem auto 0;
}

.book-detail-not-found .btn {
  margin-top: 1.5rem;
}

.book-detail__layout {
  display: grid;
  overflow: hidden;
  transition: none;
}

.book-detail__layout.card:hover {
  border-color: var(--border);
  transform: none;
}

.book-detail__body {
  padding: 2rem;
}

.book-detail__order {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 0.35rem;
}

.book-detail__series {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-muted);
  margin: 0 0 1rem;
}

.book-detail__series a {
  color: var(--gold-muted);
}

.book-detail__year {
  font-size: 0.95rem;
  color: var(--gold);
  margin: 0 0 1.25rem;
}

.book-detail__desc {
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.book-detail__buy {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.book-detail__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

@media (min-width: 768px) {
  .book-detail__layout {
    grid-template-columns: 400px 1fr;
  }
}