.book-detail-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  max-width: 1000px;
  margin: 0 auto;
}

.book-detail-content {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 2rem;
}

.book-cover-section {
  background: linear-gradient(135deg, #c17250 0%, #d4915e 100%);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.book-cover-large {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  padding: 2rem;
  backdrop-filter: blur(10px);
}

.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.btn-status {
  padding: 0.875rem 1.5rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  text-align: center;
  width: 100%;
  display: block;
}

.btn-status:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-status.active {
  background: white;
  color: var(--warm-primary);
  border-color: white;
}

.book-info-section {
  padding: 2rem;
}

.book-header {
  margin-bottom: 2rem;
}

.book-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
  font-family: Georgia, 'Times New Roman', serif;
}

.book-author {
  font-size: 1.25rem;
  color: var(--text-medium);
  margin-bottom: 1rem;
}

.book-genre {
  display: inline-block;
  background: var(--warm-light);
  color: var(--warm-primary);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
}

.book-description {
  margin: 2rem 0;
  padding: 1.5rem;
  background: #faf8f5;
  border-radius: 12px;
  line-height: 1.6;
  color: var(--text-medium);
}

.rating-section {
  background: var(--warm-light);
  padding: 1.5rem;
  border-radius: 12px;
  margin-top: 2rem;
}

.rating-section h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.rating-display {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
}

.star {
  color: var(--warm-secondary);
}

.star.empty {
  color: #e8e8e8;
}

.rating-form {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
  margin-top: 1rem;
}

.form-group {
  flex: 1;
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.form-select {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid #e8e8e8;
  border-radius: 8px;
  font-size: 1rem;
  background: white;
}

.form-select:focus {
  border-color: var(--warm-primary);
  outline: none;
}

.btn-rate {
  background: linear-gradient(135deg, var(--warm-primary) 0%, var(--warm-secondary) 100%);
  color: white;
  border: none;
  padding: 0.75rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-rate:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(193, 114, 80, 0.3);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--warm-primary);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

@media (max-width: 768px) {
  .book-detail-content {
    grid-template-columns: 1fr;
  }

  .book-cover-section {
    padding: 1.5rem;
  }

  .book-cover-large {
    height: 300px;
  }

  .book-title {
    font-size: 2rem;
  }

  .rating-form {
    flex-direction: column;
    align-items: stretch;
  }
}