feat: Trip-specific bag selection with duration-based Carry-On vs Checked Bag auto-matching

src/App.tsx

@@ -8,7 +8,8 @@ import {
   AppSettings, 
   TripDebrief,
   CustomBag,
-  CustomArchetype 
+  CustomArchetype,
+  getActiveTripBags
 } from './types';
 import { StorageClient } from './utils/storage';
 import { sound } from './utils/audio';
@@ -111,6 +112,76 @@ export function App() {
   }, []);
 
   const activeTrip = trips.find((t) => t.id === activeTripId) || null;
+  const activeTripBags: CustomBag[] = activeTrip
+    ? getActiveTripBags(activeTrip, settings.customBags)
+    : settings.customBags;
+
+  // Keep quick-add bag dropdown pointed at a bag that is actually on this trip
+  useEffect(() => {
+    if (activeTripBags.length > 0 && !activeTripBags.some((b) => b.id === newItemBag)) {
+      const preferred =
+        activeTripBags.find((b) => b.id === 'checked') ||
+        activeTripBags.find((b) => b.id === 'carry_on') ||
+        activeTripBags[0];
+      if (preferred) setNewItemBag(preferred.id);
+    }
+  }, [activeTripId, activeTrip?.activeBags, settings.customBags]);
+
+  const handleToggleTripBag = async (bagId: BagType) => {
+    if (!activeTrip) return;
+    const currentIds = activeTripBags.map((b) => b.id);
+    const isCurrentlyActive = currentIds.includes(bagId);
+
+    if (isCurrentlyActive && currentIds.length <= 1) {
+      showToast('At least one bag must remain active on the trip!');
+      return;
+    }
+
+    const nextIds = isCurrentlyActive
+      ? currentIds.filter((id) => id !== bagId)
+      : [...currentIds, bagId];
+
+    const fallbackBag: BagType = nextIds.includes('checked')
+      ? 'checked'
+      : nextIds.includes('carry_on')
+      ? 'carry_on'
+      : nextIds.find((id) => id !== 'worn') || nextIds[0];
+
+    let movedCount = 0;
+    const updatedItems = activeTrip.items.map((item) => {
+      if (!nextIds.includes(item.bag)) {
+        movedCount++;
+        return { ...item, bag: fallbackBag };
+      }
+      return item;
+    });
+
+    const derivedConfig = nextIds.includes('checked')
+      ? 'checked_bag'
+      : nextIds.includes('carry_on')
+      ? 'carry_on_only'
+      : 'backpack_only';
+
+    const updatedTrip: Trip = {
+      ...activeTrip,
+      activeBags: nextIds,
+      luggageConfig: derivedConfig,
+      items: updatedItems,
+    };
+
+    if (selectedBag === bagId && isCurrentlyActive) {
+      setSelectedBag('all');
+    }
+
+    await StorageClient.saveTrip(updatedTrip);
+    setTrips((prev) => prev.map((t) => (t.id === activeTrip.id ? updatedTrip : t)));
+
+    if (movedCount > 0) {
+      const targetLabel =
+        settings.customBags.find((b) => b.id === fallbackBag)?.label || fallbackBag;
+      showToast(`Moved ${movedCount} item(s) into ${targetLabel}`);
+    }
+  };
 
   const handleSelectTrip = (id: string) => {
     setActiveTripId(id);
@@ -235,7 +306,7 @@ export function App() {
     text += `Destination: ${activeTrip.destination} • ${activeTrip.durationDays}D / ${activeTrip.durationNights}N • Archetype: ${activeTrip.tripType.toUpperCase()}\n`;
     text += `==========================================================\n\n`;
 
-    for (const bag of settings.customBags) {
+    for (const bag of activeTripBags) {
       const bagItems = activeTrip.items.filter((i) => i.bag === bag.id);
       if (bagItems.length > 0) {
         text += `[${bag.tagCode}] ${bag.label} (${bag.sub}):\n`;
@@ -352,7 +423,9 @@ export function App() {
               selectedBag={selectedBag}
               onSelectBag={setSelectedBag}
               luggageConfig={activeTrip.luggageConfig}
+              activeTripBags={activeTripBags}
               customBags={settings.customBags}
+              onToggleTripBag={handleToggleTripBag}
               onEditBags={() => {
                 setSettingsTab('bags');
                 setIsSettingsOpen(true);
@@ -393,7 +466,7 @@ export function App() {
                   onChange={(e) => setNewItemBag(e.target.value)}
                   className="bg-white border-2 border-ink px-2 py-2 font-mono text-xs font-bold shadow-xs cursor-pointer"
                 >
-                  {settings.customBags.map((b) => (
+                  {activeTripBags.map((b) => (
                     <option key={b.id} value={b.id}>
                       {b.label} ({b.tagCode})
                     </option>
@@ -613,7 +686,7 @@ export function App() {
                     key={item.id}
                     item={item}
                     compact={compactView}
-                    availableBags={settings.customBags}
+                    availableBags={activeTripBags}
                     onTogglePacked={handleTogglePacked}
                     onUpdateQuantity={handleUpdateQuantity}
                     onUpdateBag={handleUpdateBag}
@@ -664,6 +737,11 @@ export function App() {
         onClose={() => setIsTripModalOpen(false)}
         onSaveTrip={handleSaveTrip}
         memory={memory}
+        customBags={settings.customBags}
+        onEditBags={() => {
+          setSettingsTab('bags');
+          setIsSettingsOpen(true);
+        }}
         customArchetypes={settings.customArchetypes}
         onEditArchetypes={() => {
           setSettingsTab('archetypes');

src/components/BagOverview.tsx

@@ -1,4 +1,4 @@
-import React from 'react';
+import React, { useState } from 'react';
 import { BagType, PackingItem, LuggageConfig, CustomBag } from '../types';
 import { sound } from '../utils/audio';
 import { 
@@ -11,7 +11,9 @@ import {
   Settings2, 
   Camera, 
   Compass, 
-  Tag 
+  Tag,
+  Check,
+  Luggage
 } from 'lucide-react';
 
 interface BagOverviewProps {
@@ -19,7 +21,9 @@ interface BagOverviewProps {
   selectedBag: BagType | 'all';
   onSelectBag: (bag: BagType | 'all') => void;
   luggageConfig: LuggageConfig;
+  activeTripBags: CustomBag[];
   customBags: CustomBag[];
+  onToggleTripBag: (bagId: BagType) => void;
   onEditBags: () => void;
 }
 
@@ -46,35 +50,48 @@ export const BagOverview: React.FC<BagOverviewProps> = ({
   items,
   selectedBag,
   onSelectBag,
-  luggageConfig,
+  activeTripBags,
   customBags,
+  onToggleTripBag,
   onEditBags,
 }) => {
-  // Filter bags based on luggage mode if it's a default bag
-  const visibleBags = customBags.filter((b) => {
-    if (b.id === 'carry_on' && luggageConfig === 'backpack_only') return false;
-    if (b.id === 'checked' && luggageConfig !== 'checked_bag') return false;
-    return true;
-  });
+  const [showTripBagPicker, setShowTripBagPicker] = useState(false);
+  const visibleBags = activeTripBags;
 
   return (
     <div className="mb-6">
       <div className="flex items-center justify-between mb-2 flex-wrap gap-2">
-        <div className="flex items-center gap-2">
+        <div className="flex items-center gap-1.5 sm:gap-2 flex-wrap">
           <span className="font-mono text-xs uppercase font-bold text-ink tracking-wider">
-            LUGGAGE ALLOCATION // "WHAT GOES IN WHAT BAG"
+            TRIP BAGS ({visibleBags.length}/{customBags.length})
           </span>
+          <button
+            type="button"
+            onClick={() => {
+              sound.playClick();
+              setShowTripBagPicker(!showTripBagPicker);
+            }}
+            className={`font-mono text-[11px] font-bold px-2 py-0.5 border border-ink transition-colors flex items-center gap-1 shadow-xs ${
+              showTripBagPicker
+                ? 'bg-ink text-canary'
+                : 'bg-canary/80 hover:bg-canary text-ink'
+            }`}
+            title="Select which bags are going on this specific trip"
+          >
+            <Luggage size={12} />
+            <span>SELECT TRIP BAGS</span>
+          </button>
           <button
             type="button"
             onClick={() => {
               sound.playClick();
               onEditBags();
             }}
-            className="font-mono text-[11px] font-bold px-2 py-0.5 border border-ink bg-white hover:bg-canary text-ink transition-colors flex items-center gap-1 shadow-xs"
-            title="Add, rename, or reconfigure bags"
+            className="font-mono text-[11px] font-bold px-2 py-0.5 border border-ink bg-white hover:bg-ticket-200 text-ink transition-colors flex items-center gap-1 shadow-xs"
+            title="Add, rename, or reconfigure your global bag pool"
           >
             <Settings2 size={12} />
-            <span>EDIT BAGS</span>
+            <span>EDIT BAG POOL</span>
           </button>
         </div>
 
@@ -91,10 +108,53 @@ export const BagOverview: React.FC<BagOverviewProps> = ({
           }`}
         >
           <Layers size={13} />
-          <span>VIEW ALL BAGS ({items.length})</span>
+          <span>VIEW ALL ({items.length})</span>
         </button>
       </div>
 
+      {/* Inline Trip Bag Loadout Switcher */}
+      {showTripBagPicker && (
+        <div className="mb-3 p-3 bg-ticket-100 border-2 border-ink shadow-card-hard-sm animate-in fade-in duration-100">
+          <div className="flex items-center justify-between mb-2">
+            <span className="font-mono text-[11px] font-bold uppercase text-ink">
+              WHICH BAGS ARE GOING ON THIS TRIP? (UNCHECKED BAGS AUTOMATICALLY MOVE ITEMS TO YOUR MAIN BAG)
+            </span>
+          </div>
+          <div className="flex flex-wrap gap-2">
+            {customBags.map((bag) => {
+              const isBringing = visibleBags.some((b) => b.id === bag.id);
+              return (
+                <button
+                  type="button"
+                  key={bag.id}
+                  onClick={() => {
+                    sound.playClick();
+                    onToggleTripBag(bag.id);
+                  }}
+                  className={`px-2.5 py-1.5 border-2 font-mono text-xs font-bold flex items-center gap-2 transition-all ${
+                    isBringing
+                      ? 'bg-canary-light border-ink text-ink shadow-card-hard-sm'
+                      : 'bg-white/60 border-ink/40 text-ink/50 hover:bg-white hover:text-ink'
+                  }`}
+                >
+                  <span
+                    className={`w-4 h-4 border border-ink flex items-center justify-center ${
+                      isBringing ? 'bg-ink text-canary' : 'bg-white'
+                    }`}
+                  >
+                    {isBringing && <Check size={11} strokeWidth={3} />}
+                  </span>
+                  <span>{bag.label}</span>
+                  <span className="text-[10px] bg-ink text-ticket-100 px-1 py-0.2">
+                    {bag.tagCode}
+                  </span>
+                </button>
+              );
+            })}
+          </div>
+        </div>
+      )}
+
       <div className="grid grid-cols-2 lg:grid-cols-4 gap-2 sm:gap-3">
         {visibleBags.map((b) => {
           const bagItems = items.filter((i) => i.bag === b.id);

src/components/TripModal.tsx

@@ -1,5 +1,17 @@
 import React, { useState, useEffect } from 'react';
-import { TripType, Climate, LuggageConfig, Trip, PackMemory, CustomArchetype, PackingItem } from '../types';
+import {
+  TripType,
+  Climate,
+  LuggageConfig,
+  Trip,
+  PackMemory,
+  CustomArchetype,
+  CustomBag,
+  BagType,
+  PackingItem,
+  getRecommendedBagIdsForTrip,
+  getActiveTripBags,
+} from '../types';
 import { generateAirportCode, generatePackingList } from '../utils/generator';
 import { sound } from '../utils/audio';
 import { 
@@ -22,6 +34,8 @@ interface TripModalProps {
   onClose: () => void;
   onSaveTrip: (trip: Trip) => void;
   memory: PackMemory;
+  customBags: CustomBag[];
+  onEditBags: () => void;
   customArchetypes: CustomArchetype[];
   onEditArchetypes: () => void;
   trips: Trip[];
@@ -35,12 +49,6 @@ const CLIMATES: { id: Climate; label: string; icon: string }[] = [
   { id: 'rainy', label: 'Rainy / Variable', icon: '🌧️' },
 ];
 
-const LUGGAGE_MODES: { id: LuggageConfig; label: string; desc: string }[] = [
-  { id: 'carry_on_only', label: 'Carry-On Only', desc: 'Personal item + overhead roller (TSA 3-1-1 liquids rule enforced)' },
-  { id: 'checked_bag', label: 'Checked Bag Included', desc: 'Cargo hold: full liquids allowed, trekking poles, heavy winter boots' },
-  { id: 'backpack_only', label: 'One Backpack Only', desc: 'Minimalist 25-35L pack for ultra-mobile travel' },
-];
-
 const ACTIVITIES = [
   { id: 'formal', label: 'Formal / Fine Dining', icon: '👔' },
   { id: 'swimming', label: 'Swimming / Water', icon: '🏊' },
@@ -55,6 +63,8 @@ export const TripModal: React.FC<TripModalProps> = ({
   onClose,
   onSaveTrip,
   memory,
+  customBags,
+  onEditBags,
   customArchetypes,
   onEditArchetypes,
   trips,
@@ -73,12 +83,25 @@ export const TripModal: React.FC<TripModalProps> = ({
   const [destination, setDestination] = useState('');
   const [title, setTitle] = useState('');
   const [tripType, setTripType] = useState<TripType>(customArchetypes[0]?.id || 'international_urban');
-  const [durationDays, setDurationDays] = useState(7);
+  const [durationDays, setDurationDays] = useState(4);
   const [climate, setClimate] = useState<Climate>('mild');
-  const [luggageConfig, setLuggageConfig] = useState<LuggageConfig>('carry_on_only');
+  const [selectedBags, setSelectedBags] = useState<BagType[]>(() =>
+    getRecommendedBagIdsForTrip(4, customArchetypes[0]?.id || 'international_urban', customBags)
+  );
+  const [bagsManuallyCustomized, setBagsManuallyCustomized] = useState(false);
   const [hasLaundry, setHasLaundry] = useState(true);
   const [selectedActivities, setSelectedActivities] = useState<string[]>(['remote_work']);
 
+  // Automatically recommend bags when duration or archetype changes (unless manually overridden)
+  const applyDurationAndArchetype = (newDays: number, newArchetype: TripType, forceAuto = false) => {
+    setDurationDays(newDays);
+    setTripType(newArchetype);
+    if (!bagsManuallyCustomized || forceAuto) {
+      setSelectedBags(getRecommendedBagIdsForTrip(newDays, newArchetype, customBags));
+      if (forceAuto) setBagsManuallyCustomized(false);
+    }
+  };
+
   // Handle pre-populating when cloning from a trip
   useEffect(() => {
     if (initialCloneTripId) {
@@ -91,7 +114,8 @@ export const TripModal: React.FC<TripModalProps> = ({
         setTripType(src.tripType);
         setDurationDays(src.durationDays);
         setClimate(src.climate);
-        setLuggageConfig(src.luggageConfig);
+        setSelectedBags(getActiveTripBags(src, customBags).map((b) => b.id));
+        setBagsManuallyCustomized(false);
         setHasLaundry(src.hasLaundry);
         setSelectedActivities(src.activities || []);
       }
@@ -108,12 +132,43 @@ export const TripModal: React.FC<TripModalProps> = ({
       setTripType(src.tripType);
       setDurationDays(src.durationDays);
       setClimate(src.climate);
-      setLuggageConfig(src.luggageConfig);
+      setSelectedBags(getActiveTripBags(src, customBags).map((b) => b.id));
+      setBagsManuallyCustomized(false);
       setHasLaundry(src.hasLaundry);
       setSelectedActivities(src.activities || []);
     }
   };
 
+  const toggleBagForTrip = (bagId: BagType) => {
+    sound.playClick();
+    setBagsManuallyCustomized(true);
+    setSelectedBags((prev) => {
+      if (prev.includes(bagId)) {
+        // Don't allow deselecting the very last bag
+        if (prev.length <= 1) return prev;
+        return prev.filter((id) => id !== bagId);
+      }
+      return [...prev, bagId];
+    });
+  };
+
+  const applyBagPreset = (preset: 'short_carryon' | 'long_checked' | 'both' | 'minimal') => {
+    sound.playClick();
+    setBagsManuallyCustomized(true);
+    const hasBag = (id: string) => customBags.some((b) => b.id === id);
+    const next: BagType[] = [];
+    if (hasBag('personal_item')) next.push('personal_item');
+    if (preset === 'short_carryon' && hasBag('carry_on')) next.push('carry_on');
+    if (preset === 'long_checked' && hasBag('checked')) next.push('checked');
+    if (preset === 'both') {
+      if (hasBag('carry_on')) next.push('carry_on');
+      if (hasBag('checked')) next.push('checked');
+    }
+    if (hasBag('worn')) next.push('worn');
+    if (next.length === 0 && customBags[0]) next.push(customBags[0].id);
+    setSelectedBags(next);
+  };
+
   const destinationAirportCode = generateAirportCode(destination || 'DEST');
   const routeCode = `DEP ➔ ${destinationAirportCode}`;
 
@@ -133,15 +188,33 @@ export const TripModal: React.FC<TripModalProps> = ({
     const tripTitle = title.trim() || `${destination.trim() || 'Voyage'} Expedition`;
     const tripId = `trip_${Date.now()}`;
 
+    const activeBags: BagType[] =
+      selectedBags.length > 0
+        ? selectedBags
+        : getRecommendedBagIdsForTrip(durationDays, tripType, customBags);
+
+    const derivedLuggageConfig: LuggageConfig = activeBags.includes('checked')
+      ? 'checked_bag'
+      : activeBags.includes('carry_on')
+      ? 'carry_on_only'
+      : 'backpack_only';
+
+    const mainBag: BagType = activeBags.includes('checked')
+      ? 'checked'
+      : activeBags.includes('carry_on')
+      ? 'carry_on'
+      : activeBags.find((b) => b !== 'worn') || activeBags[0] || 'personal_item';
+
     let items: PackingItem[] = [];
 
     if (creationMode === 'clone') {
       const sourceTrip = trips.find((t) => t.id === selectedCloneId);
       if (sourceTrip) {
-        // Clone items with reset packed checkboxes and new IDs
+        // Clone items and automatically re-route any item whose bag isn't coming on this trip!
         items = sourceTrip.items.map((item) => ({
           ...item,
           id: `item_${Date.now()}_${Math.random().toString(36).substring(2, 7)}`,
+          bag: activeBags.includes(item.bag) ? item.bag : mainBag,
           packed: false,
         }));
 
@@ -151,7 +224,7 @@ export const TripModal: React.FC<TripModalProps> = ({
           // Remove deadweight items
           items = items.filter((item) => !excludedLower.includes(item.name.toLowerCase()));
 
-          // Inject wishlist items
+          // Inject wishlist items into the trip's main luggage bag
           for (const wishlistName of sourceTrip.debrief.includedItemNames) {
             if (!items.some((i) => i.name.toLowerCase() === wishlistName.toLowerCase())) {
               items.push({
@@ -159,7 +232,7 @@ export const TripModal: React.FC<TripModalProps> = ({
                 name: wishlistName,
                 category: 'gear',
                 quantity: 1,
-                bag: 'carry_on',
+                bag: mainBag,
                 packed: false,
                 source: 'learned',
                 learnedReason: `Included from past debrief of ${sourceTrip.title}`,
@@ -179,7 +252,8 @@ export const TripModal: React.FC<TripModalProps> = ({
         durationDays,
         durationNights: Math.max(1, durationDays - 1),
         climate,
-        luggageConfig,
+        luggageConfig: derivedLuggageConfig,
+        activeBags,
         hasLaundry,
         activities: selectedActivities,
         memory,
@@ -195,7 +269,8 @@ export const TripModal: React.FC<TripModalProps> = ({
       durationDays,
       durationNights: Math.max(1, durationDays - 1),
       climate,
-      luggageConfig,
+      luggageConfig: derivedLuggageConfig,
+      activeBags,
       hasLaundry,
       activities: selectedActivities,
       items,
@@ -384,7 +459,7 @@ export const TripModal: React.FC<TripModalProps> = ({
                   key={t.id}
                   onClick={() => {
                     sound.playClick();
-                    setTripType(t.id);
+                    applyDurationAndArchetype(durationDays, t.id);
                   }}
                   className={`text-left p-2.5 border-2 border-ink transition-all flex flex-col ${
                     tripType === t.id
@@ -419,17 +494,17 @@ export const TripModal: React.FC<TripModalProps> = ({
                 min="1"
                 max="30"
                 value={durationDays}
-                onChange={(e) => setDurationDays(parseInt(e.target.value))}
+                onChange={(e) => applyDurationAndArchetype(parseInt(e.target.value), tripType)}
                 className="w-full accent-gate-orange cursor-pointer"
               />
-              <div className="flex gap-1.5 mt-2">
-                {[3, 5, 7, 10, 14].map((d) => (
+              <div className="flex gap-1.5 mt-2 flex-wrap">
+                {[2, 4, 5, 7, 10, 14].map((d) => (
                   <button
                     type="button"
                     key={d}
                     onClick={() => {
                       sound.playClick();
-                      setDurationDays(d);
+                      applyDurationAndArchetype(d, tripType);
                     }}
                     className={`font-mono text-[10px] font-bold px-2 py-0.5 border border-ink ${
                       durationDays === d ? 'bg-ink text-ticket-100' : 'bg-white text-ink'
@@ -507,34 +582,123 @@ export const TripModal: React.FC<TripModalProps> = ({
             </div>
           </div>
 
-          {/* Luggage Mode */}
-          <div>
-            <label className="block font-mono text-xs font-bold uppercase text-ink mb-1.5">
-              Baggage Allowance Mode
-            </label>
-            <div className="grid grid-cols-1 sm:grid-cols-3 gap-2">
-              {LUGGAGE_MODES.map((m) => (
+          {/* Trip-Specific Bag Selection ("Which Bags Go on This Trip") */}
+          <div className="bg-ticket-200/50 border-2 border-ink p-3.5 space-y-2.5">
+            <div className="flex items-center justify-between flex-wrap gap-2">
+              <div>
+                <label className="block font-mono text-xs font-bold uppercase text-ink">
+                  BAGS GOING ON THIS TRIP ({selectedBags.length} SELECTED)
+                </label>
+                <span className="font-mono text-[10px] text-ink-muted block">
+                  {!bagsManuallyCustomized
+                    ? durationDays <= 2
+                      ? `Auto-matched for ${durationDays}D overnight trip: Personal Item only`
+                      : durationDays <= 5
+                      ? `Auto-matched for ${durationDays}D shorter trip: Carry-On (no Checked Bag)`
+                      : `Auto-matched for ${durationDays}D longer trip: Checked Bag (no Carry-On)`
+                    : 'Custom bag selection for this voyage'}
+                </span>
+              </div>
+
+              <div className="flex items-center gap-1.5">
+                {bagsManuallyCustomized && (
+                  <button
+                    type="button"
+                    onClick={() => {
+                      sound.playClick();
+                      applyDurationAndArchetype(durationDays, tripType, true);
+                    }}
+                    className="font-mono text-[10px] font-bold px-2 py-0.5 border border-ink bg-canary text-ink shadow-2xs"
+                    title="Reset bags to automatic recommendation based on trip duration"
+                  >
+                    AUTO-MATCH BY LENGTH
+                  </button>
+                )}
                 <button
                   type="button"
-                  key={m.id}
                   onClick={() => {
                     sound.playClick();
-                    setLuggageConfig(m.id);
+                    onEditBags();
                   }}
-                  className={`p-2.5 border-2 border-ink text-left flex flex-col ${
-                    luggageConfig === m.id
-                      ? 'bg-gate-light border-gate-orange shadow-card-hard-sm'
-                      : 'bg-white hover:bg-ticket-50'
-                  }`}
+                  className="font-mono text-[10px] font-bold px-2 py-0.5 border border-ink bg-white hover:bg-canary text-ink flex items-center gap-1 shadow-2xs"
+                  title="Create or edit bags in your collection"
                 >
-                  <span className="font-grotesk font-bold text-xs uppercase text-ink">
-                    {m.label}
-                  </span>
-                  <span className="font-sans text-[10px] text-ink-muted leading-tight mt-0.5">
-                    {m.desc}
-                  </span>
+                  <Settings2 size={11} />
+                  <span>EDIT BAG POOL</span>
                 </button>
-              ))}
+              </div>
+            </div>
+
+            {/* Quick Presets */}
+            <div className="flex flex-wrap gap-1.5 font-mono text-[10px] font-bold">
+              <button
+                type="button"
+                onClick={() => applyBagPreset('short_carryon')}
+                className="px-2 py-1 border border-ink bg-white hover:bg-ticket-100 text-ink"
+              >
+                SHORT TRIP (CARRY-ON + PERSONAL)
+              </button>
+              <button
+                type="button"
+                onClick={() => applyBagPreset('long_checked')}
+                className="px-2 py-1 border border-ink bg-white hover:bg-ticket-100 text-ink"
+              >
+                LONGER TRIP (CHECKED + PERSONAL)
+              </button>
+              <button
+                type="button"
+                onClick={() => applyBagPreset('both')}
+                className="px-2 py-1 border border-ink bg-white hover:bg-ticket-100 text-ink"
+              >
+                HEAVY HAUL (CHECKED + CARRY-ON + PERSONAL)
+              </button>
+              <button
+                type="button"
+                onClick={() => applyBagPreset('minimal')}
+                className="px-2 py-1 border border-ink bg-white hover:bg-ticket-100 text-ink"
+              >
+                OVERNIGHT (PERSONAL ONLY)
+              </button>
+            </div>
+
+            {/* Individual Bag Toggle Cards */}
+            <div className="grid grid-cols-1 sm:grid-cols-2 gap-2 pt-1">
+              {customBags.map((bag) => {
+                const isSelected = selectedBags.includes(bag.id);
+                return (
+                  <button
+                    type="button"
+                    key={bag.id}
+                    onClick={() => toggleBagForTrip(bag.id)}
+                    className={`p-2.5 border-2 text-left transition-all flex items-start gap-2.5 ${
+                      isSelected
+                        ? 'bg-canary-light border-ink shadow-card-hard-sm'
+                        : 'bg-white/60 border-ink/40 text-ink/50 hover:bg-white hover:border-ink'
+                    }`}
+                  >
+                    <div
+                      className={`w-4 h-4 mt-0.5 border border-ink flex items-center justify-center shrink-0 ${
+                        isSelected ? 'bg-ink text-canary' : 'bg-white'
+                      }`}
+                    >
+                      {isSelected && <Check size={12} strokeWidth={3} />}
+                    </div>
+                    <div className="min-w-0 flex-1">
+                      <div className="flex items-center justify-between gap-1">
+                        <span className="font-grotesk font-bold text-xs uppercase text-ink truncate">
+                          {bag.label}
+                        </span>
+                        <span className="font-mono text-[9px] font-bold bg-ink text-ticket-100 px-1 py-0.2 shrink-0">
+                          {bag.tagCode}
+                        </span>
+                      </div>
+                      <span className="font-sans text-[10px] text-ink-muted block truncate">
+                        {bag.sub}
+                      </span>
+                    </div>
+                  </button>
+                );
+              })}
             </div>
           </div>
 

src/types/index.ts

@@ -42,6 +42,7 @@ export interface Trip {
   durationNights: number;
   climate: Climate;
   luggageConfig: LuggageConfig;
+  activeBags?: BagType[]; // Specific bag IDs brought on this trip
   hasLaundry: boolean;
   activities: string[]; // 'formal', 'swimming', 'hiking', 'gym', 'remote_work', 'photography'
   items: PackingItem[];
@@ -49,6 +50,80 @@ export interface Trip {
   debrief?: TripDebrief;
 }
 
+/**
+ * Recommends which bags go on a trip based on trip duration and archetype:
+ * - 1-2 days: Personal Item + Worn (unless business/alpine)
+ * - 3-5 days (shorter trips): Personal Item + Carry-On + Worn (no checked bag)
+ * - 6+ days (longer trips): Personal Item + Checked Bag + Worn
+ */
+export function getRecommendedBagIdsForTrip(
+  durationDays: number,
+  tripType: TripType,
+  allBags: CustomBag[]
+): BagType[] {
+  const hasBag = (id: string) => allBags.some((b) => b.id === id);
+  const selected: BagType[] = [];
+
+  if (hasBag('personal_item')) selected.push('personal_item');
+
+  if (durationDays <= 2 && tripType !== 'business' && tripType !== 'alpine_cold') {
+    // Ultra-short 1-2 day trip: Personal item only (+ worn)
+  } else if (durationDays <= 5 && tripType !== 'alpine_cold') {
+    // Shorter trip (3-5 days): Carry-On bag, no Checked bag
+    if (hasBag('carry_on')) selected.push('carry_on');
+  } else {
+    // Longer trip (6+ days) or Alpine gear trip: Checked bag instead of Carry-On by default
+    if (hasBag('checked')) {
+      selected.push('checked');
+    } else if (hasBag('carry_on')) {
+      selected.push('carry_on');
+    }
+  }
+
+  if (hasBag('worn')) selected.push('worn');
+
+  // Fallback if user deleted all default bags and only has custom ones
+  if (selected.length === 0 && allBags.length > 0) {
+    selected.push(allBags[0].id);
+  }
+
+  return selected;
+}
+
+/**
+ * Resolves the active CustomBag objects for a given trip.
+ */
+export function getActiveTripBags(trip: Trip, allBags: CustomBag[]): CustomBag[] {
+  if (trip.activeBags && trip.activeBags.length > 0) {
+    const filtered = allBags.filter((b) => trip.activeBags!.includes(b.id));
+    if (filtered.length > 0) return filtered;
+  }
+
+  // Fallback for legacy trips created before activeBags was stored
+  const legacyIds = new Set<string>();
+  if (trip.luggageConfig === 'backpack_only') {
+    legacyIds.add('personal_item');
+    legacyIds.add('worn');
+  } else if (trip.luggageConfig === 'carry_on_only') {
+    legacyIds.add('personal_item');
+    legacyIds.add('carry_on');
+    legacyIds.add('worn');
+  } else if (trip.luggageConfig === 'checked_bag') {
+    legacyIds.add('personal_item');
+    // If legacy trip has no items in carry_on, only include checked; otherwise include any bag with items
+    legacyIds.add('checked');
+    legacyIds.add('worn');
+  }
+
+  // Also ensure any bag that currently holds items in this trip is visible
+  for (const item of trip.items || []) {
+    legacyIds.add(item.bag);
+  }
+
+  const matched = allBags.filter((b) => legacyIds.has(b.id));
+  return matched.length > 0 ? matched : allBags;
+}
+
 export interface MemoryExclusion {
   itemName: string;
   tripType: TripType;

src/utils/generator.ts

@@ -8,6 +8,7 @@ interface GenerationParams {
   durationNights: number;
   climate: Climate;
   luggageConfig: LuggageConfig;
+  activeBags?: BagType[];
   hasLaundry: boolean;
   activities: string[];
   memory?: PackMemory;
@@ -56,11 +57,69 @@ export function generatePackingList(params: GenerationParams): PackingItem[] {
     durationDays,
     climate,
     luggageConfig,
+    activeBags,
     hasLaundry,
     activities,
     memory,
   } = params;
 
+  // Determine which bags are actually going on this trip
+  const tripBags: BagType[] =
+    activeBags && activeBags.length > 0
+      ? activeBags
+      : luggageConfig === 'backpack_only'
+      ? ['personal_item', 'worn']
+      : luggageConfig === 'checked_bag'
+      ? ['personal_item', 'checked', 'worn']
+      : ['personal_item', 'carry_on', 'worn'];
+
+  const activeSet = new Set<string>(tripBags);
+  const hasChecked = activeSet.has('checked');
+  const hasCarryOn = activeSet.has('carry_on');
+  const hasPersonal = activeSet.has('personal_item');
+  const hasWorn = activeSet.has('worn');
+
+  // Find any custom bag IDs the user selected for this trip
+  const customBagIds = tripBags.filter(
+    (id) => !['personal_item', 'carry_on', 'checked', 'worn'].includes(id)
+  );
+
+  // Fallback cabin/personal bag
+  const cabinBag: BagType = hasPersonal
+    ? 'personal_item'
+    : hasCarryOn
+    ? 'carry_on'
+    : customBagIds[0] || tripBags[0] || 'personal_item';
+
+  // Primary main luggage bag (Carry-On for shorter trips, Checked Bag for longer trips)
+  const mainLuggageBag: BagType = hasChecked
+    ? 'checked'
+    : hasCarryOn
+    ? 'carry_on'
+    : customBagIds[0] || cabinBag;
+
+  // Secondary luggage bag (if user brings BOTH Carry-On and Checked on an extended trip)
+  const secondaryLuggageBag: BagType =
+    hasChecked && hasCarryOn ? 'carry_on' : mainLuggageBag;
+
+  // Resolve any requested bag to a valid active bag on this trip
+  const resolveBag = (requested: BagType): BagType => {
+    if (requested === 'worn') {
+      return hasWorn ? 'worn' : mainLuggageBag;
+    }
+    if (requested === 'personal_item') {
+      return cabinBag;
+    }
+    if (requested === 'checked') {
+      return hasChecked ? 'checked' : mainLuggageBag;
+    }
+    if (requested === 'carry_on') {
+      // Route standard clothing/gear to mainLuggageBag (Checked on long trips, Carry-On on short trips)
+      return mainLuggageBag;
+    }
+    return activeSet.has(requested) ? requested : mainLuggageBag;
+  };
+
   const items: PackingItem[] = [];
 
   const addItem = (
@@ -93,7 +152,7 @@ export function generatePackingList(params: GenerationParams): PackingItem[] {
       name,
       category,
       quantity,
-      bag: luggageConfig === 'backpack_only' && bag === 'checked' ? 'carry_on' : bag,
+      bag: resolveBag(bag),
       packed: false,
       essential,
       notes,
@@ -178,7 +237,7 @@ export function generatePackingList(params: GenerationParams): PackingItem[] {
     addItem('Casual shorts', 'clothing', Math.max(2, Math.min(durationDays, 4)), 'carry_on');
     addItem('UV protection sunglasses', 'gear', 1, 'personal_item', true);
     addItem('Wide-brim sun hat or baseball cap', 'clothing', 1, 'personal_item');
-    addItem('Reef-safe sunscreen SPF 50', 'toiletries', 1, luggageConfig === 'checked_bag' ? 'checked' : 'carry_on', true, luggageConfig === 'checked_bag' ? 'Full size in checked' : 'TSA 3.4oz limit');
+    addItem('Reef-safe sunscreen SPF 50', 'toiletries', 1, hasChecked ? 'checked' : 'carry_on', true, hasChecked ? 'Full size in checked' : 'TSA 3.4oz limit');
   }
 
   if (climate === 'rainy') {
@@ -197,7 +256,7 @@ export function generatePackingList(params: GenerationParams): PackingItem[] {
   }
 
   if (activities.includes('formal') || tripType === 'business') {
-    addItem('Tailored blazer / suit jacket', 'clothing', 1, 'carry_on', true);
+    addItem('Tailored blazer / suit jacket', 'clothing', 1, secondaryLuggageBag, true);
     addItem('Dress button-down shirts', 'clothing', Math.min(durationDays, 3), 'carry_on', true);
     addItem('Dress belt', 'clothing', 1, 'carry_on');
     addItem('Dress shoes / oxfords / heels', 'clothing', 1, 'carry_on', true);
@@ -213,7 +272,7 @@ export function generatePackingList(params: GenerationParams): PackingItem[] {
     addItem('Headlamp with extra batteries', 'gear', 1, 'personal_item', true);
     addItem('Blister treatment & moleskin tape', 'wellness', 1, 'personal_item', true);
     addItem('Insect repellent spray / wipes', 'toiletries', 1, 'carry_on');
-    if (luggageConfig === 'checked_bag') {
+    if (hasChecked) {
       addItem('Collapsible trekking poles', 'gear', 1, 'checked', false, 'TSA banned in carry-on!');
       addItem('Pocket knife / multi-tool', 'gear', 1, 'checked', false, 'TSA strictly prohibited in cabin');
     }
@@ -226,12 +285,12 @@ export function generatePackingList(params: GenerationParams): PackingItem[] {
   }
 
   // 7. TOILETRIES (TSA 3-1-1 liquids rule enforced if carry-on)
-  const toiletryBag: BagType = luggageConfig === 'checked_bag' ? 'checked' : 'carry_on';
-  const liquidNote = luggageConfig === 'checked_bag' ? 'Full size allowed' : 'Must be <= 3.4oz (100ml) in 1-quart transparent pouch';
+  const toiletryBag: BagType = hasChecked ? 'checked' : 'carry_on';
+  const liquidNote = hasChecked ? 'Full size allowed in Checked Bag' : 'Must be <= 3.4oz (100ml) in 1-quart transparent pouch';
 
-  addItem('Toothbrush & travel toothpaste', 'toiletries', 1, 'carry_on', true, liquidNote);
-  addItem('Dental floss', 'toiletries', 1, 'carry_on');
-  addItem('Deodorant', 'toiletries', 1, 'carry_on', true);
+  addItem('Toothbrush & travel toothpaste', 'toiletries', 1, secondaryLuggageBag, true, liquidNote);
+  addItem('Dental floss', 'toiletries', 1, secondaryLuggageBag);
+  addItem('Deodorant', 'toiletries', 1, secondaryLuggageBag, true);
   addItem('Face wash & moisturizer', 'toiletries', 1, toiletryBag, false, liquidNote);
   addItem('Shampoo & conditioner bar or travel bottles', 'toiletries', 1, toiletryBag, false, liquidNote);
   addItem('Razor & shave cream', 'toiletries', 1, toiletryBag);