docs: add user guide and product screenshots

docs/index.md

@@ -2,9 +2,10 @@
 
 **Stop throwing food away. Cook what you already have.**
 
-Kiwi tracks your pantry, watches for expiry dates, and suggests recipes based on what's about to go bad. Scan barcodes, photograph receipts, and let Kiwi tell you what to make for dinner — without needing an AI backend to do it.
+Kiwi tracks your pantry, watches for expiry dates, and suggests recipes based on what's about to go bad. Scan barcodes, photograph receipts, and let Kiwi tell you what to make for dinner — no LLM required.
 
-![Kiwi pantry view](screenshots/01-pantry.png)
+![Kiwi pantry view](screenshots/01-pantry.png){ .only-light }
+![Kiwi pantry view](screenshots/01-pantry-dark.png){ .only-dark }
 
 ---
 

docs/user-guide/inventory.md

@@ -1,6 +1,7 @@
 # Inventory
 
-![Kiwi pantry view](../screenshots/01-pantry.png)
+![Kiwi pantry view](../screenshots/01-pantry.png){ .only-light }
+![Kiwi pantry view](../screenshots/01-pantry-dark.png){ .only-dark }
 
 The inventory is your pantry. Every item you add gives Kiwi the data it needs to show pantry match percentages, flag expiry, and rank recipe suggestions.
 

docs/user-guide/leftover-mode.md

@@ -1,6 +1,7 @@
 # Leftover Mode
 
-![Kiwi recipe results with pantry match](../screenshots/03-recipe-results.png)
+![Kiwi recipe results with pantry match](../screenshots/03-recipe-results.png){ .only-light }
+![Kiwi recipe results with pantry match](../screenshots/03-recipe-results-dark.png){ .only-dark }
 
 Leftover mode re-ranks recipe suggestions to surface dishes that use your nearly-expired items first. It's the fastest way to answer "what should I cook before this goes bad?"
 

docs/user-guide/receipt-ocr.md

@@ -1,6 +1,7 @@
 # Receipt OCR
 
-![Kiwi receipt upload](../screenshots/04-receipts.png)
+![Kiwi receipt upload](../screenshots/04-receipts.png){ .only-light }
+![Kiwi receipt upload](../screenshots/04-receipts-dark.png){ .only-dark }
 
 Receipt OCR automatically extracts grocery line items from a photo of your receipt and adds them to your pantry after you approve. It's available on the Paid tier and BYOK-unlockable on Free.
 

docs/user-guide/recipes.md

@@ -1,6 +1,7 @@
 # Recipe Browser
 
-![Kiwi recipe finder](../screenshots/02-recipes.png)
+![Kiwi recipe finder](../screenshots/02-recipes.png){ .only-light }
+![Kiwi recipe finder](../screenshots/02-recipes-dark.png){ .only-dark }
 
 The recipe browser lets you explore the full recipe corpus filtered by cuisine, meal type, dietary preference, and main ingredient. Your **pantry match percentage** is shown on every recipe card so you can see at a glance what you can cook tonight.
 

mkdocs.yml

@@ -31,6 +31,7 @@ theme:
 
 markdown_extensions:
   - admonition
+  - attr_list
   - pymdownx.details
   - pymdownx.superfences:
       custom_fences:
@@ -63,6 +64,7 @@ nav:
     - Recipe Engine: reference/recipe-engine.md
     - Tier System: reference/tier-system.md
     - Architecture: reference/architecture.md
+  - All CF Docs: https://docs.circuitforge.tech
 
 extra_css:
   - stylesheets/theme.css