body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f5f6f8;
  color: #333;
  margin: 0;
  padding: 2rem;
}

#back-btn {
  background-color: #007bff;
  color: white;
  padding: 0.5rem 1.2rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  margin-bottom: 1.5rem;
  font-weight: bold;
}

#back-btn:hover {
  background-color: #0056b3;
}

#book-details {
  background-color: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  max-width: 1000px;
  margin: 0 auto 2rem auto;
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  flex-wrap: wrap;
}

#book-details img {
  width: 10%;
  min-width: 100px;
  border-radius: 8px;
  margin-top: 10px; /* puxa imagem mais para baixo */
}

.book-info {
  flex: 1;
}

.book-info h1 {
  margin-top: 0;
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.book-info p {
  line-height: 1.6;
  margin-bottom: 1rem;
}

#add-to-fav-btn {
  background-color: #007bff;
  color: white;
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
  display: block;
  margin: 1rem auto 0 auto;
}

#add-to-fav-btn:hover {
  background-color: #0056b3;
}

@media (max-width: 700px) {
  #book-details {
    flex-direction: column;
    text-align: center;
  }

  #book-details img {
    margin: 0 auto 1rem auto;
  }

  .book-info h1 {
    font-size: 1.6rem;
  }
}