.book-search {
  display: block;
  width: 100%;
  max-width: 400px;
  margin-bottom: 1.5rem;
  padding: 0.5rem;
  font-size: 1rem;
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1.5rem;
}

.book-card {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

.book-card img,
.book-cover-placeholder {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  background: #eee;
}

.book-cover-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: 0.85rem;
}

.book-card h3 {
  font-size: 0.95rem;
  margin: 0.5rem 0 0.2rem;
}

.book-author {
  font-size: 0.85rem;
  color: #666;
  margin: 0;
}