{{define "shopping-tab"}}
<div class="space-y-6 text-shadow-sm" id="shopping-tab-container">

    <!-- Header with View Toggle -->
    <div class="flex items-center justify-between">
        <h2 class="text-lg font-medium text-white/80">Shopping List</h2>
        <div class="flex gap-2">
            <button hx-get="/tabs/shopping?grouped=true"
                    hx-target="#tab-content"
                    hx-swap="innerHTML"
                    class="px-3 py-1.5 rounded-lg text-sm transition-colors {{if .Grouped}}bg-white/20 text-white{{else}}bg-white/5 text-white/50 hover:bg-white/10{{end}}">
                Grouped
            </button>
            <button hx-get="/tabs/shopping?grouped=false"
                    hx-target="#tab-content"
                    hx-swap="innerHTML"
                    class="px-3 py-1.5 rounded-lg text-sm transition-colors {{if not .Grouped}}bg-white/20 text-white{{else}}bg-white/5 text-white/50 hover:bg-white/10{{end}}">
                Flat
            </button>
        </div>
    </div>

    <!-- Quick Add Form -->
    <form id="shopping-quick-add"
          hx-post="/shopping/add"
          hx-target="#shopping-items-list"
          hx-swap="innerHTML scroll:#shopping-quick-add:top"
          hx-indicator="#shopping-add-indicator"
          class="bg-panel backdrop-blur-sm rounded-xl p-4 sm:p-5">
        <input type="hidden" name="grouped" value="{{.Grouped}}">
        <div class="flex gap-2">
            <input type="text" name="name" placeholder="Add item..."
                   class="flex-1 bg-white/10 border border-white/20 rounded-lg px-3 py-2 text-white placeholder-white/40 focus:outline-none focus:ring-2 focus:ring-white/30 text-sm"
                   required autocomplete="off">
            <select name="store" class="bg-white/10 border border-white/20 rounded-lg px-3 py-2 text-white text-sm focus:outline-none focus:ring-2 focus:ring-white/30" required>
                {{range .Stores}}
                <option value="{{.Name}}">{{.Name}}</option>
                {{end}}
            </select>
            <button type="submit" class="bg-white/20 hover:bg-white/30 text-white px-4 py-2 rounded-lg text-sm font-medium transition-colors">
                <span id="shopping-add-indicator" class="htmx-indicator">...</span>
                <span class="htmx-hide-indicator">Add</span>
            </button>
        </div>
    </form>

    <!-- Items List Container -->
    <div id="shopping-items-list">
        {{template "shopping-items-content" .}}
    </div>

    <script>
    (function() {
        document.body.addEventListener('htmx:afterRequest', function(evt) {
            if (evt.detail.elt.id === 'shopping-quick-add' && evt.detail.successful) {
                var form = evt.detail.elt;
                var input = form.querySelector('input[name="name"]');
                if (input) {
                    input.value = '';
                    input.focus();
                }
                form.classList.add('flash-success');
                setTimeout(function() { form.classList.remove('flash-success'); }, 300);
            }
            // Handle inline add forms
            if (evt.detail.elt.classList.contains('inline-add-form') && evt.detail.successful) {
                var form = evt.detail.elt;
                var input = form.querySelector('input[name="name"]');
                if (input) {
                    input.value = '';
                    input.focus();
                }
            }
        });
    })();
    </script>
    <style>
        .flash-success { background: rgba(34, 197, 94, 0.2) !important; transition: background 0.3s; }
        .htmx-indicator { display: none; }
        .htmx-request .htmx-indicator { display: inline; }
        .htmx-request .htmx-hide-indicator { display: none; }
    </style>
</div>
{{end}}

{{define "shopping-items-content"}}
    {{if .Stores}}
    {{if .Grouped}}
    <!-- Grouped View: Items by Store -->
    {{range .Stores}}
    <section class="bg-panel backdrop-blur-sm rounded-xl p-4 sm:p-5 mb-6">
        <div class="flex items-center justify-between mb-4">
            <h2 class="text-xl font-medium text-white">{{.Name}}</h2>
            <a href="/shopping/mode/{{.Name}}"
               class="px-3 py-1.5 bg-white/10 hover:bg-white/20 rounded-lg text-sm text-white/70 hover:text-white transition-colors flex items-center gap-1.5">
                <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 3h2l.4 2M7 13h10l4-8H5.4M7 13L5.4 5M7 13l-2.293 2.293c-.63.63-.184 1.707.707 1.707H17m0 0a2 2 0 100 4 2 2 0 000-4zm-8 2a2 2 0 11-4 0 2 2 0 014 0z"></path>
                </svg>
                Shop
            </a>
        </div>
        {{range .Categories}}
        <div class="mb-4 last:mb-0">
            {{if .Name}}<h3 class="text-sm text-white/60 mb-2 uppercase tracking-wide">{{.Name}}</h3>{{end}}
            <ul class="space-y-2">
                {{range .Items}}
                {{if not .Checked}}
                <li class="flex items-center gap-3 p-3 bg-card bg-card-hover transition-colors rounded-lg border border-white/5">
                    <span class="flex-1 text-white">{{.Name}}</span>
                    {{if .Quantity}}<span class="text-white/50 text-sm">{{.Quantity}}</span>{{end}}
                    <span class="text-xs px-2 py-0.5 rounded {{if eq .Source "trello"}}bg-blue-900/50 text-blue-300{{else if eq .Source "user"}}bg-purple-900/50 text-purple-300{{else}}bg-green-900/50 text-green-300{{end}}">
                        {{.Source}}
                    </span>
                </li>
                {{end}}
                {{end}}
            </ul>
        </div>
        {{end}}
        <!-- Inline Add Item -->
        <form class="inline-add-form mt-3 flex gap-2"
              hx-post="/shopping/add"
              hx-target="#shopping-items-list"
              hx-swap="innerHTML">
            <input type="hidden" name="store" value="{{.Name}}">
            <input type="hidden" name="grouped" value="true">
            <input type="text" name="name" placeholder="Add to {{.Name}}..."
                   class="flex-1 bg-white/5 border border-white/10 rounded-lg px-3 py-2 text-white placeholder-white/30 focus:outline-none focus:ring-1 focus:ring-white/20 text-sm"
                   required autocomplete="off">
            <button type="submit" class="bg-white/10 hover:bg-white/20 text-white/70 hover:text-white px-3 py-2 rounded-lg text-sm transition-colors">
                +
            </button>
        </form>
    </section>
    {{end}}
    {{else}}
    <!-- Flat View: All Items in One List -->
    <section class="bg-panel backdrop-blur-sm rounded-xl p-4 sm:p-5">
        <ul class="space-y-2">
            {{range .Stores}}
            {{range .Categories}}
            {{range .Items}}
            {{if not .Checked}}
            <li class="flex items-center gap-3 p-3 bg-card bg-card-hover transition-colors rounded-lg border border-white/5">
                <span class="flex-1 text-white">{{.Name}}</span>
                {{if .Quantity}}<span class="text-white/50 text-sm">{{.Quantity}}</span>{{end}}
                <span class="text-xs px-2 py-0.5 rounded bg-white/10 text-white/50">
                    {{.Store}}
                </span>
                <span class="text-xs px-2 py-0.5 rounded {{if eq .Source "trello"}}bg-blue-900/50 text-blue-300{{else if eq .Source "user"}}bg-purple-900/50 text-purple-300{{else}}bg-green-900/50 text-green-300{{end}}">
                    {{.Source}}
                </span>
            </li>
            {{end}}
            {{end}}
            {{end}}
            {{end}}
        </ul>
    </section>
    {{end}}
    {{else}}
    <div class="text-center py-16 text-white/50">
        <p class="text-lg mb-2">No shopping items</p>
        <p class="text-sm">Use the form above to add items quickly</p>
    </div>
    {{end}}
{{end}}