/* Modern Product Detail Styles */
.item-detail-wrap-container {
  background-color: #f8fafc;
  padding: 30px 0 50px 0;
}

.item-page {
  max-width: 1200px;
  margin: 0 auto 24px auto !important;
  background-color: #ffffff;
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
  border: 1px solid #e2e8f0;
  overflow: hidden;
}

.item-detail-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 30px;
  padding: 30px;
}

/* Picture Gallery */
.item-detail-container > .pic-container {
  border: 1px solid #f1f5f9;
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: #fafbfc;
}

.item-detail-container > .pic-container > .main-pic {
  max-height: 360px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  margin-bottom: 20px;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.08));
  transition: transform 0.3s ease;
}

.item-detail-container > .pic-container > .main-pic:hover {
  transform: scale(1.03);
}

.item-detail-container > .pic-container > .sub-pic-container {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.item-detail-container > .pic-container > .sub-pic-container > .sub-pic {
  height: 64px;
  width: 64px;
  object-fit: cover;
  border-radius: 8px;
  border: 2px solid #e2e8f0;
  cursor: pointer;
  transition: all 0.2s;
  padding: 2px;
  background: #ffffff;
}

.item-detail-container > .pic-container > .sub-pic-container > .sub-pic:hover {
  border-color: #2563eb;
  transform: translateY(-2px);
}

/* Detail Info */
.item-detail-container > .detail-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

#book-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.3;
}

#book-author, #book-publisher {
  font-size: 0.95rem;
  color: #475569;
}

#book-author b, #book-publisher b {
  color: #1e293b;
}

.has-rating#rating {
  color: #f59e0b;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 4px;
}

.price-container {
  background: #fff7ed;
  padding: 16px 20px;
  border-radius: 12px;
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 6px 0;
  border: 1px solid #fed7aa;
}

.item-detail-container .price {
  color: #dc2626;
  font-weight: 800;
  font-size: 1.8rem;
}

.item-detail-container .old-price {
  color: #94a3b8;
  font-size: 1.05rem;
  text-decoration: line-through;
}

.item-detail-container .discount-percent {
  color: #ffffff;
  background: linear-gradient(135deg, #ef4444, #dc2626);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 700;
}

/* Quantity Selector */
.quantity-container {
  display: flex;
  align-items: center;
  gap: 0;
  background: #f1f5f9;
  border-radius: 10px;
  width: fit-content;
  border: 1px solid #cbd5e1;
  overflow: hidden;
}

.quantity-btn {
  font-size: 1.1rem;
  background: #ffffff;
  border: none;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s;
  color: #334155;
  font-weight: bold;
}

.quantity-btn:hover {
  background: #e2e8f0;
}

#quantity {
  font-size: 1.05rem;
  font-weight: 700;
  min-width: 44px;
  text-align: center;
  color: #1e293b;
}

/* Cart Buttons */
.cart-btn-container {
  display: flex;
  gap: 14px;
  margin-top: 10px;
  flex-wrap: wrap;
}

#add-to-cart-btn {
  background: linear-gradient(135deg, #f97316, #ea580c);
  color: #ffffff;
  border: none;
  font-size: 1rem;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.35);
  transition: all 0.2s;
  text-decoration: none;
}

#add-to-cart-btn:hover {
  background: linear-gradient(135deg, #ea580c, #c2410c);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(249, 115, 22, 0.45);
  color: #ffffff;
}

#favorite-btn {
  background: #ffffff;
  color: #ef4444;
  border: 1.5px solid #fca5a5;
  font-size: 1rem;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
  text-decoration: none;
}

#favorite-btn:hover {
  background: #fef2f2;
  border-color: #ef4444;
}

#favorite-btn.filled {
  background: #ef4444;
  color: #ffffff;
  border-color: #ef4444;
}

/* Description & Reviews Cards */
.item-description-container, .write-rating-container, .other-users-rating-container {
  padding: 30px;
}

.item-description-container .title, .write-rating-container .title {
  font-size: 1.3rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 16px;
  border-bottom: 2px solid #f1f5f9;
  padding-bottom: 10px;
}

.item-description-container .decription {
  line-height: 1.7;
  color: #334155;
  font-size: 1rem;
}

.other-users-rating-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (max-width: 991px) {
  .item-detail-container {
    grid-template-columns: 1fr;
  }
}