Add shopping mode for focused single-store shopping (#34)

- Full-screen view for one store at a time
- Tap items to toggle completion
- Completed items greyed and sorted to bottom
- Quick-add form at bottom of screen
- Store switcher pills for easy navigation
- "Shop" button on each store in shopping tab

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

1 files changed, 45 insertions, 0 deletions

diff --git a/web/templates/partials/shopping-mode-items.html b/web/templates/partials/shopping-mode-items.html
new file mode 100644
index 0000000..fdf0674
--- /dev/null
+++ b/web/templates/partials/shopping-mode-items.html
@@ -0,0 +1,45 @@
+{{define "shopping-mode-items"}}
+<div class="space-y-2">
+    {{if .Items}}
+    {{range .Items}}
+    <div class="item-row flex items-center gap-3 p-4 bg-white/5 rounded-xl border border-white/10 cursor-pointer {{if .Checked}}item-checked{{end}}"
+         hx-post="/shopping/mode/{{$.StoreName}}/toggle"
+         hx-vals='{"id":"{{.ID}}","source":"{{.Source}}","checked":{{if .Checked}}false{{else}}true{{end}}}'
+         hx-target="#shopping-items"
+         hx-swap="innerHTML">
+
+        <!-- Checkbox visual -->
+        <div class="w-6 h-6 rounded-full border-2 flex items-center justify-center flex-shrink-0
+                    {{if .Checked}}bg-green-500/30 border-green-500{{else}}border-white/30{{end}}">
+            {{if .Checked}}
+            <svg class="w-4 h-4 text-green-400" fill="currentColor" viewBox="0 0 20 20">
+                <path fill-rule="evenodd" d="M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z" clip-rule="evenodd"></path>
+            </svg>
+            {{end}}
+        </div>
+
+        <!-- Item content -->
+        <div class="flex-1 min-w-0">
+            <span class="item-name text-white block">{{.Name}}</span>
+            {{if .Quantity}}
+            <span class="text-sm text-white/50">{{.Quantity}}</span>
+            {{end}}
+        </div>
+
+        <!-- Source badge -->
+        <span class="text-xs px-2 py-0.5 rounded flex-shrink-0
+                    {{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>
+    </div>
+    {{end}}
+    {{else}}
+    <div class="text-center py-16 text-white/50">
+        <p class="text-lg mb-2">No items</p>
+        <p class="text-sm">Add items using the form below</p>
+    </div>
+    {{end}}
+</div>
+{{end}}