.product-detail-image {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: var(--dark-tertiary);
  aspect-ratio: 1;
}

.product-detail-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: zoom-in;
}

.thumbnail-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
  margin-top: 15px;
}

.thumbnail {
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid var(--border-color);
  transition: all var(--transition-speed);
  aspect-ratio: 1;
}

.thumbnail:hover,
.thumbnail.active {
  border-color: var(--primary-color);
}

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

.option-selector {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.option-selector-choice {
  padding-left: 10px;
  padding-right: 10px;
  height: 50px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition-speed);
  background: var(--dark-secondary);
}

.option-selector-choice:hover {
  border-color: var(--primary-color);
  background: var(--dark-tertiary);
}

.option-selector-choice.active {
  border-color: var(--primary-color);
  background: var(--primary-color);
  color: var(--dark-bg);
}

.option-selector-choice.disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.quantity-selector {
  display: flex;
  align-items: center;
  gap: 15px;
}

.quantity-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--dark-secondary);
  color: var(--text-primary);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.quantity-btn:hover {
  border-color: var(--primary-color);
  background: var(--dark-tertiary);
}

.quantity-value {
  font-size: 1.2rem;
  font-weight: 600;
  min-width: 40px;
  text-align: center;
}

.product-meta {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.product-meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
}

.product-meta-item i {
  color: var(--primary-color);
}

.product-tabs {
  margin-top: 60px;
}

.nav-tabs {
  border-bottom: 1px solid var(--border-color);
}

.nav-tabs .nav-link {
  color: var(--text-secondary);
  border: none;
  padding: 15px 30px;
  font-weight: 600;
  transition: all var(--transition-speed);
}

.nav-tabs .nav-link:hover {
  color: var(--primary-color);
}

.nav-tabs .nav-link.active {
  color: var(--primary-color);
  background: transparent;
  border-bottom: 2px solid var(--primary-color);
}

.review-card {
  background: var(--dark-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-color);
  color: var(--dark-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

.review-rating {
  color: #ffc107;
}

.related-products {
  margin-top: 80px;
}