.section-block {
  margin-bottom: 2rem;
}

.section-title {
  font-size: 1rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
}

.book-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .book-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .top-trending {
    grid-template-columns: repeat(3, 1fr);
  }
}

.book-card {
  display: block;
  border: 1px solid #d1d5db;
  border-radius: 0.5rem;
  padding: 0.75rem;
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.book-card:hover {
  box-shadow: 0 0 0 2px currentColor;
  background-color: #f9fafb;
}

.book-card.blue:hover {
  box-shadow: 0 0 0 2px #60a5fa;
  background-color: #eff6ff;
}

.book-card.yellow:hover {
  box-shadow: 0 0 0 2px #facc15;
  background-color: #fefce8;
}

.book-card.purple:hover {
  box-shadow: 0 0 0 2px #a78bfa;
  background-color: #f5f3ff;
}

.book-card.orange:hover {
  box-shadow: 0 0 0 2px #fb923c;
  background-color: #fff7ed;
  text-align: center;
}

.book-title {
  font-weight: 600;
}

.book-title.small {
  font-size: 0.875rem;
}

.book-meta {
  font-size: 0.75rem;
  color: #6b7280;
}