feat: add Priority 1 e-commerce shop macros

New macros in shared/macros/shop/:
- product-card.html: Product cards with badges, ratings, wishlist,
  quick-add, size variants (sm/md/lg)
- product-grid.html: Responsive grid with loading skeletons, empty state
- add-to-cart.html: Add to cart button/form, buy now, quantity selector
- mini-cart.html: Cart icon with badge, dropdown, items, summary

All components support:
- Dark mode via Tailwind dark: classes
- Vendor theming via CSS variables
- Alpine.js integration
- Accessible markup

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app/templates/shared/macros/shop/add-to-cart.html

@@ -0,0 +1,209 @@
+{#
+  Add to Cart Components
+  ======================
+  Standardized add-to-cart functionality with quantity selector.
+
+  Usage:
+    {% from 'shared/macros/shop/add-to-cart.html' import add_to_cart_button, add_to_cart_form %}
+#}
+
+
+{#
+  Add to Cart Button
+  ==================
+  Simple add to cart button with loading state.
+
+  Parameters:
+    - product_id_var: Alpine.js expression for product ID (default: 'product.id')
+    - variant_id_var: Alpine.js expression for variant ID (default: 'selectedVariant?.id')
+    - quantity_var: Alpine.js variable for quantity (default: 'quantity')
+    - loading_var: Alpine.js variable for loading state (default: 'addingToCart')
+    - stock_var: Alpine.js expression for stock (default: 'product.stock')
+    - action: Alpine.js action to execute (default: 'addToCart()')
+    - size: 'sm' | 'md' | 'lg' (default: 'md')
+    - full_width: Make button full width (default: true)
+    - show_icon: Show cart icon (default: true)
+    - label: Button label (default: 'Add to Cart')
+    - loading_label: Label while loading (default: 'Adding...')
+
+  Usage:
+    {{ add_to_cart_button() }}
+    {{ add_to_cart_button(size='lg', label='Buy Now') }}
+#}
+{% macro add_to_cart_button(
+    product_id_var='product.id',
+    variant_id_var='selectedVariant?.id',
+    quantity_var='quantity',
+    loading_var='addingToCart',
+    stock_var='product.stock',
+    action='addToCart()',
+    size='md',
+    full_width=true,
+    show_icon=true,
+    label='Add to Cart',
+    loading_label='Adding...'
+) %}
+{% set sizes = {
+    'sm': {'btn': 'px-3 py-1.5 text-sm', 'icon': 'w-4 h-4'},
+    'md': {'btn': 'px-4 py-2.5 text-base', 'icon': 'w-5 h-5'},
+    'lg': {'btn': 'px-6 py-3 text-lg', 'icon': 'w-6 h-6'}
+} %}
+{% set s = sizes[size] %}
+
+<button
+    type="button"
+    @click="{{ action }}"
+    :disabled="{{ loading_var }} || {{ stock_var }} === 0"
+    class="{{ s.btn }} {{ 'w-full' if full_width else '' }} font-medium text-white bg-purple-600 hover:bg-purple-700 dark:bg-purple-500 dark:hover:bg-purple-600 rounded-lg transition-colors disabled:opacity-50 disabled:cursor-not-allowed flex items-center justify-center gap-2"
+>
+    {# Loading Spinner #}
+    <span x-show="{{ loading_var }}" x-html="$icon('spinner', '{{ s.icon }}')"></span>
+
+    {# Cart Icon #}
+    {% if show_icon %}
+    <span x-show="!{{ loading_var }}" x-html="$icon('shopping-cart', '{{ s.icon }}')"></span>
+    {% endif %}
+
+    {# Label #}
+    <span x-text="{{ loading_var }} ? '{{ loading_label }}' : ({{ stock_var }} === 0 ? 'Out of Stock' : '{{ label }}')"></span>
+</button>
+{% endmacro %}
+
+
+{#
+  Add to Cart Form
+  ================
+  Complete add to cart section with quantity selector.
+
+  Parameters:
+    - product_var: Alpine.js variable for product (default: 'product')
+    - quantity_var: Alpine.js variable for quantity (default: 'quantity')
+    - loading_var: Alpine.js variable for loading state (default: 'addingToCart')
+    - action: Alpine.js action to execute (default: 'addToCart()')
+    - show_stock: Show stock status (default: true)
+    - size: 'sm' | 'md' | 'lg' (default: 'md')
+
+  Usage:
+    {{ add_to_cart_form() }}
+#}
+{% macro add_to_cart_form(
+    product_var='product',
+    quantity_var='quantity',
+    loading_var='addingToCart',
+    action='addToCart()',
+    show_stock=true,
+    size='md'
+) %}
+{% from 'shared/macros/inputs.html' import number_stepper %}
+
+<div class="space-y-4">
+    {# Stock Status #}
+    {% if show_stock %}
+    <div class="flex items-center gap-2">
+        <span
+            class="inline-flex items-center gap-1 text-sm"
+            :class="{{ product_var }}.stock > 10 ? 'text-green-600 dark:text-green-400' : {{ product_var }}.stock > 0 ? 'text-orange-600 dark:text-orange-400' : 'text-red-600 dark:text-red-400'"
+        >
+            <span x-html="$icon({{ product_var }}.stock > 0 ? 'check-circle' : 'x-circle', 'w-4 h-4')"></span>
+            <span x-text="{{ product_var }}.stock > 10 ? 'In Stock' : {{ product_var }}.stock > 0 ? 'Only ' + {{ product_var }}.stock + ' left' : 'Out of Stock'"></span>
+        </span>
+    </div>
+    {% endif %}
+
+    {# Quantity and Add Button #}
+    <div class="flex items-center gap-4">
+        {# Quantity Selector #}
+        <div class="flex-shrink-0">
+            <label class="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1">Quantity</label>
+            {{ number_stepper(model=quantity_var, min=1, max=product_var ~ '.stock', size=size, disabled_var=loading_var) }}
+        </div>
+
+        {# Add to Cart Button #}
+        <div class="flex-1">
+            <label class="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1 invisible">Action</label>
+            {{ add_to_cart_button(
+                stock_var=product_var ~ '.stock',
+                loading_var=loading_var,
+                action=action,
+                size=size,
+                full_width=true
+            ) }}
+        </div>
+    </div>
+
+    {# Success Message #}
+    <div
+        x-show="addedToCart"
+        x-transition:enter="transition ease-out duration-200"
+        x-transition:enter-start="opacity-0 transform -translate-y-2"
+        x-transition:enter-end="opacity-100 transform translate-y-0"
+        class="flex items-center gap-2 text-green-600 dark:text-green-400 text-sm"
+    >
+        <span x-html="$icon('check-circle', 'w-5 h-5')"></span>
+        <span>Added to cart!</span>
+        <a href="/cart" class="underline hover:no-underline">View Cart</a>
+    </div>
+</div>
+{% endmacro %}
+
+
+{#
+  Buy Now Button
+  ==============
+  Direct checkout button (skips cart).
+
+  Parameters:
+    - action: Alpine.js action (default: 'buyNow()')
+    - loading_var: Loading state variable (default: 'buyingNow')
+    - stock_var: Stock expression (default: 'product.stock')
+    - size: 'sm' | 'md' | 'lg' (default: 'md')
+    - full_width: Full width button (default: true)
+
+  Usage:
+    {{ buy_now_button() }}
+#}
+{% macro buy_now_button(
+    action='buyNow()',
+    loading_var='buyingNow',
+    stock_var='product.stock',
+    size='md',
+    full_width=true
+) %}
+{% set sizes = {
+    'sm': {'btn': 'px-3 py-1.5 text-sm', 'icon': 'w-4 h-4'},
+    'md': {'btn': 'px-4 py-2.5 text-base', 'icon': 'w-5 h-5'},
+    'lg': {'btn': 'px-6 py-3 text-lg', 'icon': 'w-6 h-6'}
+} %}
+{% set s = sizes[size] %}
+
+<button
+    type="button"
+    @click="{{ action }}"
+    :disabled="{{ loading_var }} || {{ stock_var }} === 0"
+    class="{{ s.btn }} {{ 'w-full' if full_width else '' }} font-medium text-purple-600 dark:text-purple-400 bg-purple-50 dark:bg-purple-900/30 hover:bg-purple-100 dark:hover:bg-purple-900/50 border border-purple-200 dark:border-purple-800 rounded-lg transition-colors disabled:opacity-50 disabled:cursor-not-allowed flex items-center justify-center gap-2"
+>
+    <span x-show="{{ loading_var }}" x-html="$icon('spinner', '{{ s.icon }}')"></span>
+    <span x-show="!{{ loading_var }}" x-html="$icon('lightning-bolt', '{{ s.icon }}')"></span>
+    <span>Buy Now</span>
+</button>
+{% endmacro %}
+
+
+{#
+  Quantity Selector (Shop variant)
+  ================================
+  Shop-specific quantity selector with stock validation.
+
+  Parameters:
+    - model: Alpine.js model for quantity (required)
+    - max_var: Alpine.js expression for max stock (default: 'product.stock')
+    - disabled_var: Alpine.js variable for disabled state (default: none)
+    - size: 'sm' | 'md' | 'lg' (default: 'md')
+
+  Usage:
+    {{ shop_quantity_selector(model='quantity', max_var='product.stock') }}
+#}
+{% macro shop_quantity_selector(model, max_var='product.stock', disabled_var=none, size='md') %}
+{% from 'shared/macros/inputs.html' import number_stepper %}
+{{ number_stepper(model=model, min=1, max=max_var, size=size, disabled_var=disabled_var, label='Quantity') }}
+{% endmacro %}

app/templates/shared/macros/shop/mini-cart.html

@@ -0,0 +1,408 @@
+{#
+  Mini Cart Components
+  ====================
+  Cart preview dropdown and cart item components.
+
+  Usage:
+    {% from 'shared/macros/shop/mini-cart.html' import mini_cart, cart_icon_button, cart_item %}
+#}
+
+
+{#
+  Cart Icon Button
+  ================
+  Cart icon with item count badge for header.
+
+  Parameters:
+    - cart_count_var: Alpine.js expression for cart item count (default: 'cart.items.length')
+    - toggle_action: Alpine.js action to toggle cart dropdown (default: 'toggleCart()')
+    - size: 'sm' | 'md' | 'lg' (default: 'md')
+
+  Usage:
+    {{ cart_icon_button() }}
+#}
+{% macro cart_icon_button(
+    cart_count_var='cart.items.length',
+    toggle_action='toggleCart()',
+    size='md'
+) %}
+{% set sizes = {
+    'sm': {'btn': 'p-1.5', 'icon': 'w-5 h-5', 'badge': 'w-4 h-4 text-xs -top-1 -right-1'},
+    'md': {'btn': 'p-2', 'icon': 'w-6 h-6', 'badge': 'w-5 h-5 text-xs -top-1.5 -right-1.5'},
+    'lg': {'btn': 'p-2.5', 'icon': 'w-7 h-7', 'badge': 'w-6 h-6 text-sm -top-2 -right-2'}
+} %}
+{% set s = sizes[size] %}
+
+<button
+    type="button"
+    @click="{{ toggle_action }}"
+    class="relative {{ s.btn }} text-gray-600 dark:text-gray-300 hover:text-purple-600 dark:hover:text-purple-400 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-700 transition-colors"
+    aria-label="Shopping cart"
+>
+    <span x-html="$icon('shopping-cart', '{{ s.icon }}')"></span>
+
+    {# Badge #}
+    <span
+        x-show="{{ cart_count_var }} > 0"
+        x-text="{{ cart_count_var }}"
+        class="absolute {{ s.badge }} flex items-center justify-center font-bold text-white bg-purple-600 dark:bg-purple-500 rounded-full"
+    ></span>
+</button>
+{% endmacro %}
+
+
+{#
+  Mini Cart Dropdown
+  ==================
+  Cart preview dropdown showing recent items.
+
+  Parameters:
+    - cart_var: Alpine.js variable for cart object (default: 'cart')
+    - show_var: Alpine.js variable for dropdown visibility (default: 'showCart')
+    - max_items: Maximum items to show (default: 3)
+    - cart_url: URL to full cart page (default: '/cart')
+    - checkout_url: URL to checkout (default: '/checkout')
+
+  Expected cart object structure:
+    {
+      items: [
+        {id, product_id, name, image_url, price, quantity, variant_name}
+      ],
+      subtotal: number,
+      item_count: number
+    }
+
+  Usage:
+    {{ mini_cart() }}
+#}
+{% macro mini_cart(
+    cart_var='cart',
+    show_var='showCart',
+    max_items=3,
+    cart_url='/cart',
+    checkout_url='/checkout'
+) %}
+<div
+    x-show="{{ show_var }}"
+    x-transition:enter="transition ease-out duration-200"
+    x-transition:enter-start="opacity-0 transform scale-95"
+    x-transition:enter-end="opacity-100 transform scale-100"
+    x-transition:leave="transition ease-in duration-150"
+    x-transition:leave-start="opacity-100 transform scale-100"
+    x-transition:leave-end="opacity-0 transform scale-95"
+    @click.away="{{ show_var }} = false"
+    class="absolute right-0 top-full mt-2 w-80 bg-white dark:bg-gray-800 rounded-lg shadow-xl border border-gray-200 dark:border-gray-700 z-50"
+>
+    {# Header #}
+    <div class="px-4 py-3 border-b border-gray-200 dark:border-gray-700">
+        <h3 class="text-sm font-semibold text-gray-900 dark:text-gray-100">Shopping Cart</h3>
+        <p class="text-xs text-gray-500 dark:text-gray-400" x-text="{{ cart_var }}.item_count + ' item' + ({{ cart_var }}.item_count !== 1 ? 's' : '')"></p>
+    </div>
+
+    {# Empty State #}
+    <div x-show="{{ cart_var }}.items.length === 0" class="px-4 py-8 text-center">
+        <div class="w-12 h-12 mx-auto mb-3 text-gray-300 dark:text-gray-600">
+            <span x-html="$icon('shopping-cart', 'w-full h-full')"></span>
+        </div>
+        <p class="text-sm text-gray-500 dark:text-gray-400">Your cart is empty</p>
+        <a href="/shop" class="inline-block mt-3 text-sm text-purple-600 dark:text-purple-400 hover:underline">
+            Continue Shopping
+        </a>
+    </div>
+
+    {# Cart Items #}
+    <div x-show="{{ cart_var }}.items.length > 0" class="max-h-64 overflow-y-auto">
+        <template x-for="(item, index) in {{ cart_var }}.items.slice(0, {{ max_items }})" :key="item.id">
+            {{ cart_item_mini(cart_var=cart_var) }}
+        </template>
+
+        {# More Items Notice #}
+        <div
+            x-show="{{ cart_var }}.items.length > {{ max_items }}"
+            class="px-4 py-2 text-center text-xs text-gray-500 dark:text-gray-400 border-t border-gray-100 dark:border-gray-700"
+        >
+            <span x-text="'+ ' + ({{ cart_var }}.items.length - {{ max_items }}) + ' more item' + ({{ cart_var }}.items.length - {{ max_items }} !== 1 ? 's' : '')"></span>
+        </div>
+    </div>
+
+    {# Footer #}
+    <div x-show="{{ cart_var }}.items.length > 0" class="px-4 py-3 border-t border-gray-200 dark:border-gray-700">
+        {# Subtotal #}
+        <div class="flex justify-between items-center mb-3">
+            <span class="text-sm text-gray-600 dark:text-gray-400">Subtotal</span>
+            <span class="text-lg font-bold text-gray-900 dark:text-gray-100" x-text="'€' + {{ cart_var }}.subtotal.toFixed(2)"></span>
+        </div>
+
+        {# Actions #}
+        <div class="space-y-2">
+            <a
+                href="{{ cart_url }}"
+                class="block w-full px-4 py-2 text-center text-sm font-medium text-purple-600 dark:text-purple-400 bg-purple-50 dark:bg-purple-900/30 hover:bg-purple-100 dark:hover:bg-purple-900/50 rounded-lg transition-colors"
+            >
+                View Cart
+            </a>
+            <a
+                href="{{ checkout_url }}"
+                class="block w-full px-4 py-2 text-center text-sm font-medium text-white bg-purple-600 hover:bg-purple-700 dark:bg-purple-500 dark:hover:bg-purple-600 rounded-lg transition-colors"
+            >
+                Checkout
+            </a>
+        </div>
+    </div>
+</div>
+{% endmacro %}
+
+
+{#
+  Cart Item (Mini version)
+  ========================
+  Compact cart item for mini cart dropdown.
+
+  Parameters:
+    - cart_var: Cart variable for remove action (default: 'cart')
+
+  Usage:
+    <template x-for="item in cart.items" :key="item.id">
+        {{ cart_item_mini() }}
+    </template>
+#}
+{% macro cart_item_mini(cart_var='cart') %}
+<div class="flex gap-3 px-4 py-3 hover:bg-gray-50 dark:hover:bg-gray-700/50 transition-colors">
+    {# Image #}
+    <a :href="item.url" class="flex-shrink-0">
+        <img
+            :src="item.image_url"
+            :alt="item.name"
+            class="w-14 h-14 object-cover rounded-lg"
+            loading="lazy"
+        >
+    </a>
+
+    {# Details #}
+    <div class="flex-1 min-w-0">
+        <h4 class="text-sm font-medium text-gray-900 dark:text-gray-100 truncate">
+            <a :href="item.url" class="hover:text-purple-600 dark:hover:text-purple-400" x-text="item.name"></a>
+        </h4>
+        <p x-show="item.variant_name" class="text-xs text-gray-500 dark:text-gray-400" x-text="item.variant_name"></p>
+        <div class="flex items-center justify-between mt-1">
+            <span class="text-xs text-gray-500 dark:text-gray-400" x-text="'Qty: ' + item.quantity"></span>
+            <span class="text-sm font-medium text-gray-900 dark:text-gray-100" x-text="'€' + (item.price * item.quantity).toFixed(2)"></span>
+        </div>
+    </div>
+
+    {# Remove Button #}
+    <button
+        type="button"
+        @click="removeFromCart(item.id)"
+        class="flex-shrink-0 p-1 text-gray-400 hover:text-red-500 dark:hover:text-red-400 transition-colors"
+        :aria-label="'Remove ' + item.name + ' from cart'"
+    >
+        <span x-html="$icon('x', 'w-4 h-4')"></span>
+    </button>
+</div>
+{% endmacro %}
+
+
+{#
+  Cart Item (Full version)
+  ========================
+  Full cart item for cart page with quantity controls.
+
+  Parameters:
+    - item_var: Variable name for item (default: 'item')
+    - index_var: Variable name for index (default: 'index')
+    - show_image: Show product image (default: true)
+    - editable: Allow quantity editing (default: true)
+
+  Usage:
+    <template x-for="(item, index) in cart.items" :key="item.id">
+        {{ cart_item() }}
+    </template>
+#}
+{% macro cart_item(
+    item_var='item',
+    index_var='index',
+    show_image=true,
+    editable=true
+) %}
+{% from 'shared/macros/inputs.html' import number_stepper %}
+
+<div class="flex gap-4 py-4 border-b border-gray-200 dark:border-gray-700 last:border-0">
+    {# Image #}
+    {% if show_image %}
+    <a :href="{{ item_var }}.url" class="flex-shrink-0">
+        <img
+            :src="{{ item_var }}.image_url"
+            :alt="{{ item_var }}.name"
+            class="w-20 h-20 md:w-24 md:h-24 object-cover rounded-lg"
+            loading="lazy"
+        >
+    </a>
+    {% endif %}
+
+    {# Details #}
+    <div class="flex-1 min-w-0">
+        <div class="flex justify-between gap-4">
+            <div>
+                <h3 class="font-medium text-gray-900 dark:text-gray-100">
+                    <a :href="{{ item_var }}.url" class="hover:text-purple-600 dark:hover:text-purple-400" x-text="{{ item_var }}.name"></a>
+                </h3>
+                <p x-show="{{ item_var }}.variant_name" class="text-sm text-gray-500 dark:text-gray-400" x-text="{{ item_var }}.variant_name"></p>
+                <p class="text-sm text-gray-600 dark:text-gray-400 mt-1" x-text="'€' + {{ item_var }}.price.toFixed(2) + ' each'"></p>
+            </div>
+
+            {# Remove Button #}
+            <button
+                type="button"
+                @click="removeFromCart({{ item_var }}.id)"
+                class="text-gray-400 hover:text-red-500 dark:hover:text-red-400 transition-colors"
+                :aria-label="'Remove ' + {{ item_var }}.name"
+            >
+                <span x-html="$icon('trash', 'w-5 h-5')"></span>
+            </button>
+        </div>
+
+        {# Quantity and Total #}
+        <div class="flex items-center justify-between mt-3">
+            {% if editable %}
+            <div>
+                {{ number_stepper(
+                    model=item_var ~ '.quantity',
+                    min=1,
+                    max=item_var ~ '.max_quantity',
+                    size='sm',
+                    label='Quantity'
+                ) }}
+            </div>
+            {% else %}
+            <span class="text-sm text-gray-600 dark:text-gray-400" x-text="'Qty: ' + {{ item_var }}.quantity"></span>
+            {% endif %}
+
+            <span class="text-lg font-bold text-gray-900 dark:text-gray-100" x-text="'€' + ({{ item_var }}.price * {{ item_var }}.quantity).toFixed(2)"></span>
+        </div>
+
+        {# Low Stock Warning #}
+        <div
+            x-show="{{ item_var }}.max_quantity && {{ item_var }}.max_quantity <= 5"
+            class="flex items-center gap-1 mt-2 text-orange-600 dark:text-orange-400 text-xs"
+        >
+            <span x-html="$icon('exclamation', 'w-4 h-4')"></span>
+            <span x-text="'Only ' + {{ item_var }}.max_quantity + ' left in stock'"></span>
+        </div>
+    </div>
+</div>
+{% endmacro %}
+
+
+{#
+  Cart Summary
+  ============
+  Order summary with totals and checkout button.
+
+  Parameters:
+    - cart_var: Alpine.js variable for cart (default: 'cart')
+    - show_promo: Show promo code input (default: true)
+    - show_shipping: Show shipping estimate (default: true)
+    - checkout_url: Checkout URL (default: '/checkout')
+
+  Expected cart structure:
+    {
+      subtotal: number,
+      discount: number,
+      shipping: number,
+      tax: number,
+      total: number,
+      promo_code: string | null
+    }
+
+  Usage:
+    {{ cart_summary() }}
+#}
+{% macro cart_summary(
+    cart_var='cart',
+    show_promo=true,
+    show_shipping=true,
+    checkout_url='/checkout'
+) %}
+<div class="bg-white dark:bg-gray-800 rounded-lg shadow-sm p-6">
+    <h2 class="text-lg font-semibold text-gray-900 dark:text-gray-100 mb-4">Order Summary</h2>
+
+    {# Promo Code #}
+    {% if show_promo %}
+    <div class="mb-4 pb-4 border-b border-gray-200 dark:border-gray-700">
+        <label class="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">Promo Code</label>
+        <div class="flex gap-2">
+            <input
+                type="text"
+                x-model="promoCode"
+                placeholder="Enter code"
+                class="flex-1 px-3 py-2 text-sm border border-gray-300 dark:border-gray-600 dark:bg-gray-700 dark:text-gray-200 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent"
+            >
+            <button
+                type="button"
+                @click="applyPromoCode()"
+                :disabled="!promoCode || applyingPromo"
+                class="px-4 py-2 text-sm font-medium text-purple-600 dark:text-purple-400 bg-purple-50 dark:bg-purple-900/30 hover:bg-purple-100 dark:hover:bg-purple-900/50 rounded-lg transition-colors disabled:opacity-50"
+            >
+                Apply
+            </button>
+        </div>
+        <p x-show="{{ cart_var }}.promo_code" class="mt-2 text-sm text-green-600 dark:text-green-400" x-text="'Code &quot;' + {{ cart_var }}.promo_code + '&quot; applied'"></p>
+    </div>
+    {% endif %}
+
+    {# Totals #}
+    <div class="space-y-3 text-sm">
+        <div class="flex justify-between">
+            <span class="text-gray-600 dark:text-gray-400">Subtotal</span>
+            <span class="text-gray-900 dark:text-gray-100" x-text="'€' + {{ cart_var }}.subtotal.toFixed(2)"></span>
+        </div>
+
+        <div x-show="{{ cart_var }}.discount > 0" class="flex justify-between text-green-600 dark:text-green-400">
+            <span>Discount</span>
+            <span x-text="'-€' + {{ cart_var }}.discount.toFixed(2)"></span>
+        </div>
+
+        {% if show_shipping %}
+        <div class="flex justify-between">
+            <span class="text-gray-600 dark:text-gray-400">Shipping</span>
+            <span class="text-gray-900 dark:text-gray-100" x-text="{{ cart_var }}.shipping > 0 ? '€' + {{ cart_var }}.shipping.toFixed(2) : 'Free'"></span>
+        </div>
+        {% endif %}
+
+        <div x-show="{{ cart_var }}.tax > 0" class="flex justify-between">
+            <span class="text-gray-600 dark:text-gray-400">Tax</span>
+            <span class="text-gray-900 dark:text-gray-100" x-text="'€' + {{ cart_var }}.tax.toFixed(2)"></span>
+        </div>
+
+        <div class="pt-3 border-t border-gray-200 dark:border-gray-700">
+            <div class="flex justify-between text-lg font-bold">
+                <span class="text-gray-900 dark:text-gray-100">Total</span>
+                <span class="text-gray-900 dark:text-gray-100" x-text="'€' + {{ cart_var }}.total.toFixed(2)"></span>
+            </div>
+        </div>
+    </div>
+
+    {# Checkout Button #}
+    <div class="mt-6">
+        <a
+            href="{{ checkout_url }}"
+            class="block w-full px-6 py-3 text-center text-base font-medium text-white bg-purple-600 hover:bg-purple-700 dark:bg-purple-500 dark:hover:bg-purple-600 rounded-lg transition-colors"
+        >
+            Proceed to Checkout
+        </a>
+
+        {# Trust Badges #}
+        <div class="mt-4 flex items-center justify-center gap-4 text-xs text-gray-500 dark:text-gray-400">
+            <span class="flex items-center gap-1">
+                <span x-html="$icon('lock-closed', 'w-4 h-4')"></span>
+                Secure Checkout
+            </span>
+            <span class="flex items-center gap-1">
+                <span x-html="$icon('shield-check', 'w-4 h-4')"></span>
+                SSL Encrypted
+            </span>
+        </div>
+    </div>
+</div>
+{% endmacro %}

app/templates/shared/macros/shop/product-card.html

@@ -0,0 +1,253 @@
+{#
+  Product Card
+  ============
+  A versatile product card component for e-commerce listings.
+  Supports multiple sizes, badges, ratings, and quick actions.
+
+  Parameters:
+    - product_var: Alpine.js variable name for the product object (default: 'product')
+    - size: 'sm' | 'md' | 'lg' (default: 'md')
+    - show_rating: Show star rating (default: true)
+    - show_quick_add: Show quick add to cart button (default: true)
+    - show_wishlist: Show wishlist heart icon (default: true)
+    - show_vendor: Show vendor name for marketplace (default: false)
+    - add_to_cart_action: Alpine.js action for add to cart (default: 'addToCart(product)')
+    - wishlist_action: Alpine.js action for wishlist toggle (default: 'toggleWishlist(product)')
+    - product_url_field: Field name for product URL (default: 'url')
+    - image_field: Field name for image URL (default: 'image_url')
+    - title_field: Field name for product title (default: 'name')
+    - price_field: Field name for price (default: 'price')
+    - sale_price_field: Field name for sale price (default: 'sale_price')
+    - rating_field: Field name for rating (default: 'rating')
+    - review_count_field: Field name for review count (default: 'review_count')
+    - stock_field: Field name for stock quantity (default: 'stock')
+    - vendor_field: Field name for vendor name (default: 'vendor_name')
+
+  Expected product object structure:
+    {
+      id: number,
+      name: string,
+      url: string,
+      image_url: string,
+      price: number,
+      sale_price: number | null,
+      rating: number (0-5),
+      review_count: number,
+      stock: number,
+      is_new: boolean,
+      vendor_name: string (optional)
+    }
+
+  Usage:
+    {% from 'shared/macros/shop/product-card.html' import product_card %}
+
+    <template x-for="product in products" :key="product.id">
+        {{ product_card() }}
+    </template>
+
+    {# With custom settings #}
+    {{ product_card(product_var='featuredProduct', size='lg', show_vendor=true) }}
+#}
+
+{% macro product_card(
+    product_var='product',
+    size='md',
+    show_rating=true,
+    show_quick_add=true,
+    show_wishlist=true,
+    show_vendor=false,
+    add_to_cart_action='addToCart(product)',
+    wishlist_action='toggleWishlist(product)',
+    product_url_field='url',
+    image_field='image_url',
+    title_field='name',
+    price_field='price',
+    sale_price_field='sale_price',
+    rating_field='rating',
+    review_count_field='review_count',
+    stock_field='stock',
+    vendor_field='vendor_name'
+) %}
+{% set sizes = {
+    'sm': {
+        'card': 'max-w-[200px]',
+        'image': 'h-32',
+        'title': 'text-sm',
+        'price': 'text-sm',
+        'badge': 'text-xs px-1.5 py-0.5',
+        'btn': 'text-xs px-2 py-1',
+        'icon': 'w-4 h-4',
+        'rating': 'w-3 h-3'
+    },
+    'md': {
+        'card': 'max-w-[280px]',
+        'image': 'h-48',
+        'title': 'text-base',
+        'price': 'text-base',
+        'badge': 'text-xs px-2 py-1',
+        'btn': 'text-sm px-3 py-2',
+        'icon': 'w-5 h-5',
+        'rating': 'w-4 h-4'
+    },
+    'lg': {
+        'card': 'max-w-[360px]',
+        'image': 'h-64',
+        'title': 'text-lg',
+        'price': 'text-lg',
+        'badge': 'text-sm px-2.5 py-1',
+        'btn': 'text-base px-4 py-2.5',
+        'icon': 'w-6 h-6',
+        'rating': 'w-5 h-5'
+    }
+} %}
+{% set s = sizes[size] %}
+
+<div class="group relative bg-white dark:bg-gray-800 rounded-lg shadow-sm hover:shadow-md transition-shadow duration-200 overflow-hidden {{ s.card }}">
+    {# Image Container #}
+    <div class="relative {{ s.image }} overflow-hidden bg-gray-100 dark:bg-gray-700">
+        <a :href="{{ product_var }}.{{ product_url_field }}">
+            <img
+                :src="{{ product_var }}.{{ image_field }}"
+                :alt="{{ product_var }}.{{ title_field }}"
+                class="w-full h-full object-cover group-hover:scale-105 transition-transform duration-300"
+                loading="lazy"
+            >
+        </a>
+
+        {# Badges #}
+        <div class="absolute top-2 left-2 flex flex-col gap-1">
+            {# Sale Badge #}
+            <span
+                x-show="{{ product_var }}.{{ sale_price_field }}"
+                class="{{ s.badge }} font-semibold text-white bg-red-500 rounded"
+            >
+                <span x-text="'-' + Math.round((1 - {{ product_var }}.{{ sale_price_field }} / {{ product_var }}.{{ price_field }}) * 100) + '%'"></span>
+            </span>
+            {# New Badge #}
+            <span
+                x-show="{{ product_var }}.is_new"
+                class="{{ s.badge }} font-semibold text-white bg-green-500 rounded"
+            >
+                New
+            </span>
+        </div>
+
+        {# Wishlist Button #}
+        {% if show_wishlist %}
+        <button
+            type="button"
+            @click.prevent="{{ wishlist_action.replace('product', product_var) }}"
+            class="absolute top-2 right-2 p-1.5 rounded-full bg-white/80 dark:bg-gray-800/80 hover:bg-white dark:hover:bg-gray-800 transition-colors opacity-0 group-hover:opacity-100"
+            :class="{{ product_var }}.in_wishlist ? 'text-red-500' : 'text-gray-400 hover:text-red-500'"
+            :aria-label="{{ product_var }}.in_wishlist ? 'Remove from wishlist' : 'Add to wishlist'"
+        >
+            <span x-html="$icon('heart', '{{ s.icon }}')" :class="{{ product_var }}.in_wishlist && 'fill-current'"></span>
+        </button>
+        {% endif %}
+
+        {# Out of Stock Overlay #}
+        <div
+            x-show="{{ product_var }}.{{ stock_field }} === 0"
+            class="absolute inset-0 bg-black/50 flex items-center justify-center"
+        >
+            <span class="text-white font-semibold {{ s.badge }} bg-gray-900 rounded">Out of Stock</span>
+        </div>
+    </div>
+
+    {# Content #}
+    <div class="p-3">
+        {# Vendor Name #}
+        {% if show_vendor %}
+        <p class="text-xs text-gray-500 dark:text-gray-400 mb-1" x-text="{{ product_var }}.{{ vendor_field }}"></p>
+        {% endif %}
+
+        {# Title #}
+        <h3 class="{{ s.title }} font-medium text-gray-900 dark:text-gray-100 mb-1 line-clamp-2">
+            <a :href="{{ product_var }}.{{ product_url_field }}" class="hover:text-purple-600 dark:hover:text-purple-400" x-text="{{ product_var }}.{{ title_field }}"></a>
+        </h3>
+
+        {# Rating #}
+        {% if show_rating %}
+        <div class="flex items-center gap-1 mb-2" x-show="{{ product_var }}.{{ rating_field }}">
+            <div class="flex">
+                <template x-for="i in 5" :key="i">
+                    <span
+                        x-html="$icon('star', '{{ s.rating }}')"
+                        :class="i <= Math.round({{ product_var }}.{{ rating_field }}) ? 'text-yellow-400 fill-current' : 'text-gray-300 dark:text-gray-600'"
+                    ></span>
+                </template>
+            </div>
+            <span class="text-xs text-gray-500 dark:text-gray-400" x-text="'(' + {{ product_var }}.{{ review_count_field }} + ')'"></span>
+        </div>
+        {% endif %}
+
+        {# Price #}
+        <div class="flex items-center gap-2 mb-3">
+            <span
+                class="{{ s.price }} font-bold"
+                :class="{{ product_var }}.{{ sale_price_field }} ? 'text-red-600 dark:text-red-400' : 'text-gray-900 dark:text-gray-100'"
+                x-text="'€' + ({{ product_var }}.{{ sale_price_field }} || {{ product_var }}.{{ price_field }}).toFixed(2)"
+            ></span>
+            <span
+                x-show="{{ product_var }}.{{ sale_price_field }}"
+                class="text-sm text-gray-400 line-through"
+                x-text="'€' + {{ product_var }}.{{ price_field }}.toFixed(2)"
+            ></span>
+        </div>
+
+        {# Quick Add Button #}
+        {% if show_quick_add %}
+        <button
+            type="button"
+            @click="{{ add_to_cart_action.replace('product', product_var) }}"
+            :disabled="{{ product_var }}.{{ stock_field }} === 0"
+            class="w-full {{ s.btn }} font-medium text-white bg-purple-600 hover:bg-purple-700 dark:bg-purple-500 dark:hover:bg-purple-600 rounded-lg transition-colors disabled:opacity-50 disabled:cursor-not-allowed flex items-center justify-center gap-2"
+        >
+            <span x-html="$icon('shopping-cart', '{{ s.icon }}')"></span>
+            <span x-text="{{ product_var }}.{{ stock_field }} === 0 ? 'Out of Stock' : 'Add to Cart'"></span>
+        </button>
+        {% endif %}
+    </div>
+</div>
+{% endmacro %}
+
+
+{#
+  Product Badge
+  =============
+  Standalone badge component for product overlays.
+
+  Parameters:
+    - type: 'sale' | 'new' | 'bestseller' | 'low_stock' | 'out_of_stock'
+    - value: Optional value (e.g., '-20%' for sale, 'Only 3 left' for low_stock)
+    - size: 'sm' | 'md' | 'lg' (default: 'md')
+
+  Usage:
+    {{ product_badge(type='sale', value='-20%') }}
+    {{ product_badge(type='new') }}
+    {{ product_badge(type='low_stock', value='Only 3 left') }}
+#}
+{% macro product_badge(type, value=none, size='md') %}
+{% set badge_styles = {
+    'sale': 'bg-red-500 text-white',
+    'new': 'bg-green-500 text-white',
+    'bestseller': 'bg-yellow-500 text-gray-900',
+    'low_stock': 'bg-orange-500 text-white',
+    'out_of_stock': 'bg-gray-700 text-white'
+} %}
+{% set badge_labels = {
+    'sale': 'Sale',
+    'new': 'New',
+    'bestseller': 'Bestseller',
+    'low_stock': 'Low Stock',
+    'out_of_stock': 'Out of Stock'
+} %}
+{% set sizes = {
+    'sm': 'text-xs px-1.5 py-0.5',
+    'md': 'text-xs px-2 py-1',
+    'lg': 'text-sm px-2.5 py-1'
+} %}
+<span class="{{ sizes[size] }} font-semibold {{ badge_styles[type] }} rounded">
+    {{ value if value else badge_labels[type] }}
+</span>
+{% endmacro %}

app/templates/shared/macros/shop/product-grid.html

@@ -0,0 +1,215 @@
+{#
+  Product Grid
+  ============
+  Responsive grid layout for product listings.
+  Includes loading skeletons and empty state.
+
+  Parameters:
+    - products_var: Alpine.js variable containing products array (default: 'products')
+    - loading_var: Alpine.js variable for loading state (default: 'loading')
+    - columns: Dict with breakpoint column counts (default: {sm: 2, md: 3, lg: 4})
+    - gap: Gap size 'sm' | 'md' | 'lg' (default: 'md')
+    - card_size: Product card size 'sm' | 'md' | 'lg' (default: 'md')
+    - show_rating: Pass to product cards (default: true)
+    - show_quick_add: Pass to product cards (default: true)
+    - show_wishlist: Pass to product cards (default: true)
+    - show_vendor: Pass to product cards (default: false)
+    - empty_title: Title for empty state (default: 'No products found')
+    - empty_message: Message for empty state (default: 'Try adjusting your filters')
+    - empty_icon: Icon for empty state (default: 'shopping-bag')
+
+  Usage:
+    {% from 'shared/macros/shop/product-grid.html' import product_grid, product_grid_skeleton %}
+
+    {{ product_grid() }}
+
+    {# With custom columns #}
+    {{ product_grid(columns={'sm': 1, 'md': 2, 'lg': 3}) }}
+#}
+
+{% macro product_grid(
+    products_var='products',
+    loading_var='loading',
+    columns=none,
+    gap='md',
+    card_size='md',
+    show_rating=true,
+    show_quick_add=true,
+    show_wishlist=true,
+    show_vendor=false,
+    empty_title='No products found',
+    empty_message='Try adjusting your filters or search terms',
+    empty_icon='shopping-bag'
+) %}
+{% from 'shared/macros/shop/product-card.html' import product_card %}
+
+{% set cols = columns if columns else {'sm': 2, 'md': 3, 'lg': 4} %}
+{% set gaps = {'sm': 'gap-3', 'md': 'gap-4', 'lg': 'gap-6'} %}
+
+{# Loading State #}
+<div x-show="{{ loading_var }}" class="grid grid-cols-{{ cols.sm }} md:grid-cols-{{ cols.md }} lg:grid-cols-{{ cols.lg }} {{ gaps[gap] }}">
+    <template x-for="i in 8" :key="i">
+        {{ product_skeleton(size=card_size) }}
+    </template>
+</div>
+
+{# Empty State #}
+<div
+    x-show="!{{ loading_var }} && {{ products_var }}.length === 0"
+    class="flex flex-col items-center justify-center py-16 px-4"
+>
+    <div class="w-16 h-16 mb-4 text-gray-300 dark:text-gray-600">
+        <span x-html="$icon('{{ empty_icon }}', 'w-full h-full')"></span>
+    </div>
+    <h3 class="text-lg font-medium text-gray-900 dark:text-gray-100 mb-2">{{ empty_title }}</h3>
+    <p class="text-sm text-gray-500 dark:text-gray-400 text-center max-w-sm">{{ empty_message }}</p>
+</div>
+
+{# Product Grid #}
+<div
+    x-show="!{{ loading_var }} && {{ products_var }}.length > 0"
+    class="grid grid-cols-{{ cols.sm }} md:grid-cols-{{ cols.md }} lg:grid-cols-{{ cols.lg }} {{ gaps[gap] }}"
+>
+    <template x-for="product in {{ products_var }}" :key="product.id">
+        {{ product_card(
+            product_var='product',
+            size=card_size,
+            show_rating=show_rating,
+            show_quick_add=show_quick_add,
+            show_wishlist=show_wishlist,
+            show_vendor=show_vendor
+        ) }}
+    </template>
+</div>
+{% endmacro %}
+
+
+{#
+  Product Skeleton
+  ================
+  Loading skeleton for a single product card.
+
+  Parameters:
+    - size: 'sm' | 'md' | 'lg' (default: 'md')
+
+  Usage:
+    {{ product_skeleton() }}
+#}
+{% macro product_skeleton(size='md') %}
+{% set sizes = {
+    'sm': {'card': 'max-w-[200px]', 'image': 'h-32'},
+    'md': {'card': 'max-w-[280px]', 'image': 'h-48'},
+    'lg': {'card': 'max-w-[360px]', 'image': 'h-64'}
+} %}
+{% set s = sizes[size] %}
+
+<div class="bg-white dark:bg-gray-800 rounded-lg shadow-sm overflow-hidden {{ s.card }} animate-pulse">
+    {# Image Skeleton #}
+    <div class="{{ s.image }} bg-gray-200 dark:bg-gray-700"></div>
+
+    {# Content Skeleton #}
+    <div class="p-3 space-y-3">
+        {# Title #}
+        <div class="h-4 bg-gray-200 dark:bg-gray-700 rounded w-3/4"></div>
+        <div class="h-4 bg-gray-200 dark:bg-gray-700 rounded w-1/2"></div>
+
+        {# Rating #}
+        <div class="flex gap-1">
+            <template x-for="i in 5" :key="i">
+                <div class="w-4 h-4 bg-gray-200 dark:bg-gray-700 rounded"></div>
+            </template>
+        </div>
+
+        {# Price #}
+        <div class="h-5 bg-gray-200 dark:bg-gray-700 rounded w-1/3"></div>
+
+        {# Button #}
+        <div class="h-10 bg-gray-200 dark:bg-gray-700 rounded"></div>
+    </div>
+</div>
+{% endmacro %}
+
+
+{#
+  Product List Item
+  =================
+  Horizontal product card for list views.
+
+  Parameters:
+    - product_var: Alpine.js variable name (default: 'product')
+    - show_rating: Show star rating (default: true)
+    - show_quick_add: Show add to cart button (default: true)
+    - compact: Use compact spacing (default: false)
+
+  Usage:
+    <template x-for="product in products" :key="product.id">
+        {{ product_list_item() }}
+    </template>
+#}
+{% macro product_list_item(
+    product_var='product',
+    show_rating=true,
+    show_quick_add=true,
+    compact=false
+) %}
+<div class="flex gap-4 bg-white dark:bg-gray-800 rounded-lg shadow-sm p-{{ '3' if compact else '4' }} hover:shadow-md transition-shadow">
+    {# Image #}
+    <a :href="{{ product_var }}.url" class="flex-shrink-0">
+        <img
+            :src="{{ product_var }}.image_url"
+            :alt="{{ product_var }}.name"
+            class="w-{{ '20' if compact else '32' }} h-{{ '20' if compact else '32' }} object-cover rounded-lg"
+            loading="lazy"
+        >
+    </a>
+
+    {# Content #}
+    <div class="flex-1 min-w-0">
+        <h3 class="font-medium text-gray-900 dark:text-gray-100 truncate">
+            <a :href="{{ product_var }}.url" class="hover:text-purple-600 dark:hover:text-purple-400" x-text="{{ product_var }}.name"></a>
+        </h3>
+
+        {% if show_rating %}
+        <div class="flex items-center gap-1 mt-1" x-show="{{ product_var }}.rating">
+            <div class="flex">
+                <template x-for="i in 5" :key="i">
+                    <span
+                        x-html="$icon('star', 'w-3 h-3')"
+                        :class="i <= Math.round({{ product_var }}.rating) ? 'text-yellow-400 fill-current' : 'text-gray-300 dark:text-gray-600'"
+                    ></span>
+                </template>
+            </div>
+            <span class="text-xs text-gray-500 dark:text-gray-400" x-text="'(' + {{ product_var }}.review_count + ')'"></span>
+        </div>
+        {% endif %}
+
+        <div class="flex items-center gap-2 mt-2">
+            <span
+                class="font-bold"
+                :class="{{ product_var }}.sale_price ? 'text-red-600 dark:text-red-400' : 'text-gray-900 dark:text-gray-100'"
+                x-text="'€' + ({{ product_var }}.sale_price || {{ product_var }}.price).toFixed(2)"
+            ></span>
+            <span
+                x-show="{{ product_var }}.sale_price"
+                class="text-sm text-gray-400 line-through"
+                x-text="'€' + {{ product_var }}.price.toFixed(2)"
+            ></span>
+        </div>
+    </div>
+
+    {# Actions #}
+    {% if show_quick_add %}
+    <div class="flex-shrink-0 self-center">
+        <button
+            type="button"
+            @click="addToCart({{ product_var }})"
+            :disabled="{{ product_var }}.stock === 0"
+            class="p-2 text-purple-600 hover:bg-purple-50 dark:text-purple-400 dark:hover:bg-gray-700 rounded-lg transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
+            :aria-label="'Add ' + {{ product_var }}.name + ' to cart'"
+        >
+            <span x-html="$icon('shopping-cart', 'w-5 h-5')"></span>
+        </button>
+    </div>
+    {% endif %}
+</div>
+{% endmacro %}