UI improvements: filters, map layout, search bar

- Add hubCountries query and country filter for hubs page
- Add getAvailableProducts query for offers (only products with active offers)
- Add sourceLatitude/sourceLongitude to orders GraphQL
- Fix ListMapLayout with position fixed for proper map height
- GlobalSearchBar: make fields wider, remove unit selector
- Remove status/isVerified filters from suppliers/offers (backend handles this)

app/components/search/GlobalSearchBar.vue

@@ -7,7 +7,7 @@
       >
         <!-- Product field (clickable, navigates to /goods) -->
         <div
-          class="flex flex-col px-4 py-2 min-w-32 pl-6 rounded-l-full hover:bg-base-200/50 border-r border-base-300 cursor-pointer"
+          class="flex flex-col px-4 py-2 min-w-48 pl-6 rounded-l-full hover:bg-base-200/50 border-r border-base-300 cursor-pointer"
           @click="goToProductSelection"
         >
           <label class="text-xs font-semibold text-base-content/60 mb-0.5">
@@ -19,29 +19,23 @@
         </div>
 
         <!-- Quantity field (editable) -->
-        <div class="flex flex-col px-4 py-2 min-w-32 hover:bg-base-200/50 border-r border-base-300">
+        <div class="flex flex-col px-4 py-2 min-w-48 hover:bg-base-200/50 border-r border-base-300">
           <label class="text-xs font-semibold text-base-content/60 mb-0.5">
             {{ $t('search.quantity') }}
           </label>
-          <div class="flex items-center gap-1">
-            <input
-              v-model="quantity"
-              type="number"
-              min="1"
-              :placeholder="$t('search.quantity_placeholder')"
-              class="w-16 bg-transparent outline-none text-sm"
-              @change="syncQuantityToStore"
-            />
-            <select v-model="unit" class="bg-transparent outline-none text-sm text-base-content/70" @change="syncQuantityToStore">
-              <option value="t">{{ $t('units.t') }}</option>
-              <option value="kg">{{ $t('units.kg') }}</option>
-            </select>
-          </div>
+          <input
+            v-model="quantity"
+            type="number"
+            min="1"
+            :placeholder="$t('search.quantity_placeholder')"
+            class="w-full bg-transparent outline-none text-sm"
+            @change="syncQuantityToStore"
+          />
         </div>
 
         <!-- Destination field (clickable, navigates to /select-location) -->
         <div
-          class="flex flex-col px-4 py-2 min-w-32 hover:bg-base-200/50 cursor-pointer"
+          class="flex flex-col px-4 py-2 min-w-48 hover:bg-base-200/50 cursor-pointer"
           @click="goToLocationSelection"
         >
           <label class="text-xs font-semibold text-base-content/60 mb-0.5">
@@ -67,7 +61,7 @@
 
 <script setup lang="ts">
 const emit = defineEmits<{
-  search: [params: { productUuid?: string; quantity?: number; unit?: string; locationUuid?: string }]
+  search: [params: { productUuid?: string; quantity?: number; locationUuid?: string }]
 }>()
 
 const router = useRouter()
@@ -84,13 +78,11 @@ const locationUuid = computed(() => searchStore.searchForm.locationUuid || '')
 const quantity = ref<number | undefined>(
   searchStore.searchForm.quantity ? Number(searchStore.searchForm.quantity) : undefined
 )
-const unit = ref(searchStore.searchForm.unit || 't')
 
 const syncQuantityToStore = () => {
   if (quantity.value) {
     searchStore.setQuantity(String(quantity.value))
   }
-  searchStore.setUnit(unit.value)
 }
 
 // Navigation to selection pages
@@ -135,7 +127,6 @@ const handleSearch = () => {
   emit('search', {
     productUuid: productUuid.value,
     quantity: quantity.value,
-    unit: unit.value,
     locationUuid: locationUuid.value
   })
 }
@@ -146,10 +137,4 @@ watch(() => searchStore.searchForm.quantity, (val) => {
     quantity.value = Number(val)
   }
 }, { immediate: true })
-
-watch(() => searchStore.searchForm.unit, (val) => {
-  if (val) {
-    unit.value = val
-  }
-}, { immediate: true })
 </script>