/**
 * Single book module styles.
 * Link this file when using the book module (n/book/book_module.php).
 */
*, *::before, *::after { box-sizing: border-box; }

#main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px 32px;
}

.book-detail {
  max-width: 1200px;
  margin: 0 auto;
  font-family: var(--n-font-family);
  font-size: var(--n-font-size-base);
  line-height: var(--n-line-height);
  color: var(--n-color-text);
}

#main-content .book-detail .book-detail-title {
  margin: 0 0 1rem;
  font-size: var(--n-heading-h1);
  font-weight: var(--n-font-weight-bold);
  color: var(--n-color-text-heading);
  line-height: 1.25;
}

.book-detail-bestseller {
  margin: 0 0 1rem;
  display: inline-block;
  padding: 4px 10px;
  font-size: var(--n-font-size-xs);
  font-weight: var(--n-font-weight-semibold);
  color: #b45309;
  background: #fef3c7;
  border-radius: 6px;
}

.book-detail-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (max-width: 640px) {
  .book-detail-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .book-detail-cover-col {
    text-align: center;
  }
}

.book-detail-cover {
  display: block;
  width: 200px;
  max-width: 100%;
  aspect-ratio: 2/3;
  object-fit: contain;
}

.book-detail-cover-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 200px;
  max-width: 100%;
  min-height: 300px;
  padding: 16px;
  background: linear-gradient(145deg, #f1f5f9 0%, #e2e8f0 100%);
  border: 1px dashed #cbd5e1;
  border-radius: 6px;
  line-height: 0;
}

.book-detail-cover-placeholder-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
}

.book-detail-cover-placeholder-icon svg {
  width: 56px;
  height: 56px;
}

.book-detail-meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 1rem;
  margin: 0 0 1.25rem;
  font-size: var(--n-font-size-md);
}

.book-detail-meta dt {
  margin: 0;
  font-weight: var(--n-font-weight-medium);
  color: var(--n-color-text-secondary);
}

.book-detail-meta dd {
  margin: 0;
  color: var(--n-color-text-body);
}

.book-detail-meta a {
  color: var(--n-color-link);
  text-decoration: none;
}

.book-detail-meta a:hover {
  color: var(--n-color-link-hover);
  text-decoration: underline;
}

.book-detail-meta-price strong { color: var(--n-color-price); }

.book-detail-meta-unavailable { color: var(--n-color-text-muted); font-style: italic; }

.book-detail-meta-availability { font-weight: var(--n-font-weight-medium); }

.book-detail-available { color: #15803d; }

.book-detail-unavailable { color: var(--n-color-text-muted); }

#main-content .book-detail .book-detail-offers-heading {
  margin: 0 0 1rem;
  font-size: var(--n-heading-h2);
  font-weight: var(--n-font-weight-bold);
  color: var(--n-color-text-heading);
}

.book-detail-offers {
  margin-bottom: 1rem;
}

.book-detail-price-from {
  margin: 0 0 0.25rem;
  font-size: var(--n-font-size-lg);
  font-weight: var(--n-font-weight-bold);
  color: var(--n-color-price);
}

.book-detail-offers-count {
  margin: 0;
  font-size: var(--n-font-size-sm);
  color: var(--n-color-text-muted);
}

.book-detail-offers-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.book-detail-offer-item {
  margin: 0;
}

.book-detail-offer-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 18px;
  font-size: var(--n-font-size-sm);
  font-weight: var(--n-font-weight-medium);
  font-family: var(--n-font-family);
  text-decoration: none;
  color: #fff;
  background: #ea580c;
  border-radius: 6px;
  transition: background-color 0.15s ease;
}

.book-detail-offer-link:hover {
  background: #c2410c;
  color: #fff;
}

.book-detail-offer-link:focus {
  outline: 2px solid #ea580c;
  outline-offset: 2px;
}

.book-detail-offer-shop {
  font-weight: var(--n-font-weight-semibold);
}

.book-detail-offer-price {
  opacity: 0.95;
}

.book-detail-no-offers {
  margin: 0;
  font-size: var(--n-font-size-md);
  color: var(--n-color-text-muted);
}

.book-detail-description {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e8e8e8;
}

#main-content .book-detail .book-detail-description-title {
  margin: 0 0 1rem;
  font-size: var(--n-heading-h2);
  font-weight: var(--n-font-weight-bold);
  color: var(--n-color-text-heading);
}

.book-detail-description-text {
  font-size: var(--n-font-size-md);
  color: var(--n-color-text-body);
  line-height: 1.6;
}

/* Empty state */
.book-detail-empty {
  text-align: center;
  padding: 3rem 1.5rem;
}

.book-detail-empty-msg {
  margin: 0;
  font-size: var(--n-font-size-md);
  color: var(--n-color-text-muted);
}