/* Custom styles to enhance Bootstrap */
body {
  background-color: #f8f9fa;
}

.book-list {
  min-height: 300px;
}

.book-card {
  transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
  cursor: pointer;
  border: none;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

.book-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15) !important;
}

.book-title {
  color: #2c3e50;
  font-weight: 600;
  margin-bottom: 8px;
}

.book-author {
  color: #6c757d;
  font-style: italic;
  margin-bottom: 8px;
}

.book-pages {
  color: #495057;
  font-size: 0.9rem;
}

.book-read-status {
  font-weight: 500;
  font-size: 0.9rem;
}

.read-status {
  color: #28a745;
}

.not-read-status {
  color: #dc3545;
}

.hero-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Book count animation */
#book-count {
  transition: all 0.3s ease;
}

/* Empty state styling */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: #6c757d;
}

.empty-state i {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .display-4 {
    font-size: 2rem;
  }

  .book-card {
    margin-bottom: 1rem;
  }
}