/* Books Listing Page */
.books-listing-page {
  background: #F5F5F5;
}

/* Hero Section */
.books-hero {
  position: relative;
  overflow: hidden;
  width: 100%;
  margin-top: -84px; /* Move banner up 4px */
  z-index: 0;
}

.hero-banner {
  width: 100%;
  position: relative;
}

.hero-banner img {
  width: 100%;
  height: auto;
  display: block;
  max-height: 400px;
  object-fit: cover;
  object-position: center;
}

/* Age Filters Section */
.age-filters-section {
  background: #fff;
  padding: 2rem;
}

.age-filters-section .container {
  max-width: 1400px;
  margin: 0 auto;
}

.age-group-selectors {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.age-group-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  transition: transform 0.3s ease;
  user-select: none;
}

.age-group-item:hover {
  transform: translateY(-5px);
}

.age-group-item.active .age-avatar {
  border-color: #FF6B6B;
  box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
  transform: scale(1.05);
}

.age-group-item.active .age-label {
  color: #FF6B6B;
  font-weight: 700;
}

.age-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid #E0E0E0;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
}

.age-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.age-icon {
  font-size: 48px;
}

.age-label {
  font-family: 'Roboto Slab', serif;
  font-size: 16px;
  font-weight: 600;
  color: #333;
}

/* Search and Filter Section */
.search-filter-section {
  background: #fff;
  padding: 2rem;
  border-top: 1px solid #E0E0E0;
}

.search-filter-section .container {
  max-width: 1400px;
  margin: 0 auto;
}

.search-filter-controls {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
}

.search-input {
  flex: 1;
  padding: 0.75rem 1.25rem;
  border: 2px solid #E0E0E0;
  border-radius: 8px;
  font-family: 'Roboto Slab', serif;
  font-size: 15px;
  transition: border-color 0.3s ease;
}

.search-input:focus {
  outline: none;
  border-color: #4DD0E1;
}

.genre-select {
  padding: 0.75rem 1.25rem;
  border: 2px solid #E0E0E0;
  border-radius: 8px;
  font-family: 'Roboto Slab', serif;
  font-size: 15px;
  background: #fff;
  cursor: pointer;
  min-width: 200px;
  transition: border-color 0.3s ease;
}

.genre-select:focus {
  outline: none;
  border-color: #4DD0E1;
}

.apply-button {
  padding: 0.75rem 2rem;
  background: #4DD0E1;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-family: 'Roboto Slab', serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.apply-button:hover {
  background: #26C6DA;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(77, 208, 225, 0.3);
}

/* Books Grid Section */
.books-grid-section {
  padding: 3rem 2rem;
}

.books-grid-section .container {
  max-width: 1400px;
  margin: 0 auto;
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 2rem;
}

.book-item {
  transition: transform 0.3s ease;
}

.book-item:hover {
  transform: translateY(-8px);
}

.book-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.book-cover-wrapper {
  position: relative;
  margin-bottom: 0.75rem;
}

.book-cover {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s ease;
}

.book-item:hover .book-cover {
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.book-cover-placeholder {
  width: 100%;
  height: 300px;
  background: #E0E0E0;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  font-family: 'Roboto Slab', serif;
}

.book-rating {
  position: absolute;
  top: 8px;
  right: 8px;
  background: #FFD700;
  color: #2C3E50;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  font-family: 'Roboto Slab', serif;
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.book-title {
  font-family: 'Roboto Slab', serif;
  font-size: 16px;
  font-weight: 600;
  color: #2C3E50;
  margin: 0;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.no-books,
.no-results {
  text-align: center;
  font-family: 'Roboto Slab', serif;
  font-size: 18px;
  color: #999;
  padding: 3rem;
  grid-column: 1 / -1;
}

.no-results {
  background: #FFF3CD;
  color: #856404;
  border-radius: 8px;
  margin-top: 2rem;
}

/* Pagination Controls */
.pagination-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}

.pagination-btn {
  padding: 0.5rem 1rem;
  background: #fff;
  color: #2C3E50;
  border: 2px solid #E0E0E0;
  border-radius: 6px;
  font-family: 'Roboto Slab', serif;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 44px;
}

.pagination-btn:hover:not(.disabled) {
  background: #4DD0E1;
  color: #fff;
  border-color: #4DD0E1;
  transform: translateY(-2px);
}

.pagination-btn.active {
  background: #4DD0E1;
  color: #fff;
  border-color: #4DD0E1;
  font-weight: 600;
}

.pagination-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination-ellipsis {
  padding: 0.5rem;
  color: #999;
  font-family: 'Roboto Slab', serif;
  user-select: none;
}

.pagination-info {
  margin-left: 1rem;
  padding: 0.5rem 1rem;
  background: #F5F5F5;
  border-radius: 6px;
  font-family: 'Roboto Slab', serif;
  font-size: 14px;
  color: #666;
  white-space: nowrap;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-banner img {
    max-height: 250px;
  }

  .age-group-selectors {
    gap: 1.5rem;
  }

  .age-avatar {
    width: 90px;
    height: 90px;
  }

  .age-icon {
    font-size: 36px;
  }

  .search-filter-controls {
    flex-direction: column;
    width: 100%;
  }

  .search-input,
  .genre-select {
    width: 100%;
  }

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

  .book-cover,
  .book-cover-placeholder {
    height: 220px;
  }
}