/* ========================================
   SEÇÃO LIVROS INOVADORA
   ======================================== */
.books-section {
  position: relative;
  min-height: 100vh;
  background: var(--books-bg);
  padding: 80px 0;
  overflow: hidden;
  transition: background 0.4s ease;
}

/* Textura de fundo */
.books-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 20% 30%, var(--shadow-light) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, var(--shadow-light) 0%, transparent 50%);
  pointer-events: none;
}

/* Container principal */
.books-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
  z-index: 2;
}

/* Cabeçalho da seção */
.books-header {
  text-align: center;
  margin-bottom: 60px;
  animation: fadeInDown 0.8s ease;
}

.books-header h2 {
  font-family: 'Merriweather', serif;
  font-size: 48px;
  color: var(--text-light);
  margin-bottom: 15px;
  text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
  letter-spacing: 1px;
}

.books-header p {
  font-size: 20px;
  color: var(--text-secondary);
  font-style: italic;
  opacity: 0.9;
}

.books-header .divider {
  width: 120px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent-warm), transparent);
  margin: 25px auto;
}

/* Carrossel moderno - apenas para sec-livros */
.books-section .carousel-modern {
  position: relative;
  margin: 0;
  max-width: 100%;
  overflow: hidden;
}

/* Track do carrossel - SOMENTE sec-livros */
.books-section .carousel-track {
  display: flex;
  gap: 30px;
  padding: 30px 0 50px;
  animation: rolling-books 60s linear infinite;
  width: max-content;
  will-change: transform;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.books-section .carousel-track:hover {
  animation-play-state: paused;
}

.books-section .carousel-track::-webkit-scrollbar {
  display: none;
}

@keyframes rolling-books {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

/* Card moderno */
.book-card-modern {
  flex: 0 0 280px;
  background: var(--books-card-bg);
  border-radius: 24px;
  overflow: hidden;
  position: relative;
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  height: 580px;
  /* Altura fixa para padronização */
  display: flex;
  flex-direction: column;
}

.book-card-modern:hover {
  transform: translateY(-15px) scale(1.03);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

/* Badge de destaque */
.book-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  color: white;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: bold;
  text-transform: uppercase;
  z-index: 3;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

/* Imagem com overlay */
.book-image-wrapper {
  position: relative;
  height: 400px;
  overflow: hidden;
  background: #3a2a1f;
}

.book-image-wrapper::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(to top, rgba(58, 42, 31, 0.9), transparent);
}

.book-card-modern img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.book-card-modern:hover img {
  transform: scale(1.1);
}

/* Info do livro */
.book-info {
  padding: 25px;
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.book-title {
  font-family: 'Merriweather', serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--books-card-title);
  margin-bottom: 10px;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 52px;
}

.book-author {
  font-size: 14px;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 15px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 20px;
  /* Garante espaço mesmo sem autor */
}

/* Preço em destaque */
.book-price-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 15px;
  border-top: 2px solid var(--border-color);
  margin-top: auto;
  /* Empurra para o final do card */
}

.book-price {
  font-family: 'Merriweather', serif;
  font-size: 28px;
  font-weight: 900;
  color: var(--accent-warm);
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.book-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 25px;
  font-size: 13px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.book-btn:hover {
  background: linear-gradient(135deg, var(--accent-warm), var(--accent-dark));
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(168, 153, 104, 0.4);
}

/* Botões de navegação */
.nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  border: none;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  color: white;
  font-size: 24px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-btn:hover {
  background: linear-gradient(135deg, var(--accent-warm), var(--accent));
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 10px 30px rgba(200, 184, 150, 0.5);
}

.nav-btn.prev,
.nav-btn.next {
  display: none !important;
  /* Removidos para o efeito de rolagem contínua */
}

/* Indicadores de página - OCULTOS */
.carousel-indicators {
  display: none;
}

/* Loading state */
.loading-card {
  flex: 0 0 280px;
  height: 550px;
  background: linear-gradient(90deg,
      rgba(249, 247, 244, 0.5) 0%,
      rgba(232, 220, 196, 0.5) 50%,
      rgba(249, 247, 244, 0.5) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: 24px;
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Mensagem vazia */
.empty-message {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-secondary);
}

.empty-message-icon {
  font-size: 80px;
  margin-bottom: 20px;
  opacity: 0.3;
}

.empty-message h3 {
  font-size: 28px;
  color: var(--text-light);
  margin-bottom: 10px;
  font-family: 'Merriweather', serif;
}