feat: Product Details Tabbed Section and Add to Wishlist in Item Full Page

- Add to Wishlist button next to add to cart
- Beautified Product Specifications table section
- Product Specifications can be optionally in a tabbed section with custom tabs added
- Removed hard coded gray bg to allow custom theme overwrites
- Fixed resizing issues in Item Full Page view
- Cleaned up inline styles and ported to scss
diff --git a/erpnext/templates/generators/item/item.html b/erpnext/templates/generators/item/item.html
index 17f6880..eebfb92 100644
--- a/erpnext/templates/generators/item/item.html
+++ b/erpnext/templates/generators/item/item.html
@@ -9,17 +9,33 @@
 {% endblock %}
 
 {% block page_content %}
-<div class="product-container">
+<div class="product-container col-md-12">
 	{% from "erpnext/templates/includes/macros.html" import product_image %}
 	<div class="item-content">
 		<div class="product-page-content" itemscope itemtype="http://schema.org/Product">
+			<!-- Image, Description, Add to Cart -->
 			<div class="row mb-5">
 				{% include "templates/generators/item/item_image.html" %}
 				{% include "templates/generators/item/item_details.html" %}
 			</div>
 
-			{% include "templates/generators/item/item_specifications.html" %}
+			<!-- Product Specifications Table Section -->
+			{% if show_tabs and tabs %}
+				<div class="category-tabs">
+					<!-- tabs -->
+						{{ web_block(
+							"Section with Tabs",
+							values=tabs,
+							add_container=0,
+							add_top_padding=0,
+							add_bottom_padding=0
+						) }}
+				</div>
+			{% elif website_specifications %}
+				{% include "templates/generators/item/item_specifications.html"%}
+			{% endif %}
 
+			<!-- Advanced Custom Website Content -->
 			{{ doc.website_content or '' }}
 		</div>
 	</div>
diff --git a/erpnext/templates/generators/item/item_add_to_cart.html b/erpnext/templates/generators/item/item_add_to_cart.html
index 167c848..c7713c1 100644
--- a/erpnext/templates/generators/item/item_add_to_cart.html
+++ b/erpnext/templates/generators/item/item_add_to_cart.html
@@ -5,6 +5,7 @@
 
 <div class="item-cart row mt-2" data-variant-item-code="{{ item_code }}">
 	<div class="col-md-12">
+		<!-- Price and Availability -->
 		{% if cart_settings.show_price and product_info.price %}
 		<div class="product-price">
 			{{ product_info.price.formatted_price_sales_uom }}
@@ -30,17 +31,21 @@
 			{% endif %}
 		</div>
 		{% endif %}
+
+		<!-- Add to Cart / View in Cart, Contact Us -->
 		<div class="mt-5 mb-5">
-			{% if product_info.price and (cart_settings.allow_items_not_in_stock or product_info.in_stock) %}
+			<div style="display: flex;" class="mb-4">
+				<!-- Add to Cart -->
+				{% if product_info.price and (cart_settings.allow_items_not_in_stock or product_info.in_stock) %}
 				<a href="/cart"
-					class="btn btn-light btn-view-in-cart {% if not product_info.qty %}hidden{% endif %}"
+					class="btn btn-light btn-view-in-cart hidden mr-2"
 					role="button"
 				>
 					{{ _("View in Cart") }}
 				</a>
 				<button
 					data-item-code="{{item_code}}"
-					class="btn btn-primary btn-add-to-cart {% if product_info.qty %}hidden{% endif %} w-100"
+					class="btn btn-primary btn-add-to-cart w-50 mr-2"
 				>
 					<span class="mr-2">
 						<svg class="icon icon-md">
@@ -49,7 +54,37 @@
 					</span>
 					{{ _("Add to Cart") }}
 				</button>
-			{% endif %}
+				{% endif %}
+
+				<!-- Add to Wishlist -->
+				<a href="/wishlist"
+					class="btn btn-view-in-wishlist hidden"
+					role="button"
+				>
+					<span class="mr-2">
+						<svg class="icon icon-md">
+							<use href="#icon-heart"></use>
+						</svg>
+					</span>
+					{{ _("View in Wishlist") }}
+				</a>
+
+				{% set price = product_info.get("price") or {} %}
+				<button
+						data-item-code="{{item_code}}"
+						data-price="{{ price.get('price_list_rate') or 0}}"
+						data-formatted-price="{{ price.get('formatted_price') or 0 }}"
+						class="btn btn-add-to-wishlist"
+					>
+					<span class="mr-2">
+						<svg class="icon icon-md">
+							<use href="#icon-heart"></use>
+						</svg>
+					</span>
+					{{ _("Add to Wishlist") }}
+				</button>
+			</div>
+
 			{% if cart_settings.show_contact_us_button %}
 				{% include "templates/generators/item/item_inquiry.html" %}
 			{% endif %}
@@ -60,6 +95,7 @@
 <script>
 	frappe.ready(() => {
 		$('.page_content').on('click', '.btn-add-to-cart', (e) => {
+			// Bind action on add to cart button
 			const $btn = $(e.currentTarget);
 			$btn.prop('disabled', true);
 			const item_code = $btn.data('item-code');
@@ -74,6 +110,28 @@
 				}
 			});
 		});
+
+		$('.page_content').on('click', '.btn-add-to-wishlist', (e) => {
+			// Bind action on wishlist button
+			const $btn = $(e.currentTarget);
+			$btn.prop('disabled', true);
+
+			let args = {
+				item_code: $btn.data('item-code'),
+				price: $btn.data('price'),
+				formatted_price: $btn.data('formatted-price')
+			};
+			let failure_action = function() {
+				$btn.prop('disabled', false);
+			};
+			let success_action = function() {
+				$btn.prop('disabled', false);
+				erpnext.wishlist.set_wishlist_count();
+				$('.btn-add-to-wishlist, .btn-view-in-wishlist').toggleClass('hidden');
+
+			};
+			erpnext.wishlist.add_remove_from_wishlist("add", args, success_action, failure_action);
+		});
 	});
 </script>
 
diff --git a/erpnext/templates/generators/item/item_details.html b/erpnext/templates/generators/item/item_details.html
index 3b77585..9559129 100644
--- a/erpnext/templates/generators/item/item_details.html
+++ b/erpnext/templates/generators/item/item_details.html
@@ -1,11 +1,12 @@
-<div class="col-md-7 product-details">
+{% set width_class = "expand" if not slides else "" %}
+<div class="col-md-7 product-details {{ width_class }}">
 <!-- title -->
 <h1 class="product-title" itemprop="name">
 	{{ item_name }}
 </h1>
 <p class="product-code">
 	<span>{{ _("Item Code") }}:</span>
-	<span itemprop="productID">{{ doc.name }}</span>
+	<span itemprop="productID">{{ doc.item_code }}</span>
 </p>
 {% if has_variants %}
 	<!-- configure template -->
diff --git a/erpnext/templates/generators/item/item_image.html b/erpnext/templates/generators/item/item_image.html
index e9b0916..4de3b62 100644
--- a/erpnext/templates/generators/item/item_image.html
+++ b/erpnext/templates/generators/item/item_image.html
@@ -1,4 +1,5 @@
-<div class="col-md-5 h-100 d-flex">
+{% set column_size = 5 if slides else 4 %}
+<div class="col-md-{{ column_size }} h-100 d-flex mb-4">
 	{% if slides %}
 	<div class="item-slideshow d-flex flex-column mr-3">
 		{% for item in slides %}
diff --git a/erpnext/templates/generators/item/item_specifications.html b/erpnext/templates/generators/item/item_specifications.html
index d4dfa8e..1dccff9 100644
--- a/erpnext/templates/generators/item/item_specifications.html
+++ b/erpnext/templates/generators/item/item_specifications.html
@@ -1,10 +1,13 @@
-{% if doc.website_specifications -%}
-<div class="row item-website-specification mt-5">
-	<div class="col-md-12">
-		<table class="table table-bordered">
-		{% for d in doc.website_specifications -%}
+{% if website_specifications -%}
+<div class="row mt-5 item-website-specification">
+	<div class="col-md-11">
+		{% if not show_tabs %}
+			<h2 class="product-title mb-5">Product Details</h2>
+		{% endif %}
+		<table class="table table-bordered table-hover">
+		{% for d in website_specifications -%}
 			<tr>
-				<td class="text-muted" style="width: 30%;">{{ d.label }}</td>
+				<td class="text-muted" style="width: 30%; font-weight: bold;">{{ d.label }}</td>
 				<td>{{ d.description }}</td>
 			</tr>
 		{%- endfor %}
diff --git a/erpnext/templates/includes/macros.html b/erpnext/templates/includes/macros.html
index aec201e..77c5649 100644
--- a/erpnext/templates/includes/macros.html
+++ b/erpnext/templates/includes/macros.html
@@ -172,9 +172,7 @@
 				<a href="/{{ item.route or '#' }}" style="text-decoration: none;">
 					<img class="card-img" src="{{ item.image }}" alt="{{ title }}">
 				</a>
-				<div class="remove-wish"
-					style="position:absolute; top:10px; right: 20px; border-radius: 50%; border: 1px solid var(--gray-100); width: 25px; height: 25px;"
-					data-item-code="{{ item.item_code }}">
+				<div class="remove-wish" data-item-code="{{ item.item_code }}">
 					<span style="padding-bottom: 2px;">
 						<svg class="icon sm remove-wish-icon" style="margin-bottom: 4px; margin-left: 0.5px;">
 							<use class="close" href="#icon-close"></use>
@@ -199,7 +197,7 @@
 {%- endmacro -%}
 
 {%- macro wishlist_card_body(item, settings) %}
-<div class="card-body text-center" style="width:100%">
+<div class="card-body text-center" style="width: 100%;">
 	<div style="margin-top: 16px;">
 		<div class="product-title">{{ item.item_name or item.item_code or ''}}</div>
 	</div>