Simplify location display on inventory QR label

Plain text 'Location: <value>' in larger bold font instead of
pill badge with map pin icon.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/PowderCoating.Web/Controllers/InventoryController.cs

@@ -56,15 +56,16 @@ public class InventoryController : Controller
 
     /// <summary>
     /// Displays the paginated inventory list with optional keyword search, category filter,
-    /// and a low-stock quick-filter. When lowStockOnly is active the default sort switches
-    /// to QuantityOnHand ascending so the most depleted items surface immediately. Stats
-    /// (total value, active count, low-stock count) are computed directly on the DbSet
-    /// using aggregate SQL to avoid loading all rows into memory.
+    /// color family filter, and a low-stock quick-filter. When lowStockOnly is active the
+    /// default sort switches to QuantityOnHand ascending so the most depleted items surface
+    /// immediately. Stats (total value, active count, low-stock count) are computed directly
+    /// on the DbSet using aggregate SQL to avoid loading all rows into memory.
     /// </summary>
     public async Task<IActionResult> Index(
         string? searchTerm,
         string? category,
         string? location,
+        string? colorFamily,
         string? sortColumn,
         string sortDirection = "asc",
         bool lowStockOnly = false,
@@ -88,64 +89,35 @@ public class InventoryController : Controller
             };
             gridRequest.Validate();
 
-            // Build filter — compose search, category, location, and low-stock predicates
+            var hasSearch      = !string.IsNullOrWhiteSpace(searchTerm);
+            var hasCategory    = !string.IsNullOrWhiteSpace(category);
+            var hasLocation    = !string.IsNullOrWhiteSpace(location);
+            var hasColorFamily = !string.IsNullOrWhiteSpace(colorFamily);
+
+            var search   = searchTerm?.ToLower() ?? "";
+            var cat      = category ?? "";
+            var loc      = location ?? "";
+            var colorFam = colorFamily ?? "";
+
+            // Single composable predicate — EF Core evaluates the captured booleans as constants
+            // so inactive conditions fold to true and are omitted from the generated SQL WHERE clause.
             System.Linq.Expressions.Expression<Func<InventoryItem, bool>>? filter = null;
-
-            var hasSearch   = !string.IsNullOrWhiteSpace(searchTerm);
-            var hasCategory = !string.IsNullOrWhiteSpace(category);
-            var hasLocation = !string.IsNullOrWhiteSpace(location);
-
-            var search = searchTerm?.ToLower() ?? "";
-            var cat    = category ?? "";
-            var loc    = location ?? "";
-
-            if (lowStockOnly && hasSearch && hasLocation)
-                filter = i => i.IsActive && i.QuantityOnHand <= i.ReorderPoint
-                    && (i.Location != null && i.Location.ToLower() == loc.ToLower())
-                    && (i.SKU.ToLower().Contains(search) || i.Name.ToLower().Contains(search)
-                        || (i.ColorName != null && i.ColorName.ToLower().Contains(search))
-                        || (i.Manufacturer != null && i.Manufacturer.ToLower().Contains(search)));
-            else if (lowStockOnly && hasSearch)
-                filter = i => i.IsActive && i.QuantityOnHand <= i.ReorderPoint
-                    && (i.SKU.ToLower().Contains(search) || i.Name.ToLower().Contains(search)
-                        || (i.ColorName != null && i.ColorName.ToLower().Contains(search))
-                        || (i.Manufacturer != null && i.Manufacturer.ToLower().Contains(search)));
-            else if (lowStockOnly && hasLocation)
-                filter = i => i.IsActive && i.QuantityOnHand <= i.ReorderPoint
-                    && (i.Location != null && i.Location.ToLower() == loc.ToLower());
-            else if (lowStockOnly)
-                filter = i => i.IsActive && i.QuantityOnHand <= i.ReorderPoint;
-            else if (hasSearch && hasCategory && hasLocation)
-                filter = i => (i.SKU.ToLower().Contains(search) || i.Name.ToLower().Contains(search)
+            if (hasSearch || hasCategory || hasLocation || hasColorFamily || lowStockOnly)
+            {
+                filter = i =>
+                    (!lowStockOnly || (i.IsActive && i.QuantityOnHand <= i.ReorderPoint)) &&
+                    (!hasSearch || (i.SKU.ToLower().Contains(search) || i.Name.ToLower().Contains(search)
                         || (i.Description != null && i.Description.ToLower().Contains(search))
                         || (i.ColorName != null && i.ColorName.ToLower().Contains(search))
-                        || (i.Manufacturer != null && i.Manufacturer.ToLower().Contains(search)))
-                    && i.Category.ToLower() == cat.ToLower()
-                    && (i.Location != null && i.Location.ToLower() == loc.ToLower());
-            else if (hasSearch && hasCategory)
-                filter = i => (i.SKU.ToLower().Contains(search) || i.Name.ToLower().Contains(search)
-                        || (i.Description != null && i.Description.ToLower().Contains(search))
-                        || (i.ColorName != null && i.ColorName.ToLower().Contains(search))
-                        || (i.Manufacturer != null && i.Manufacturer.ToLower().Contains(search)))
-                    && i.Category.ToLower() == cat.ToLower();
-            else if (hasSearch && hasLocation)
-                filter = i => (i.SKU.ToLower().Contains(search) || i.Name.ToLower().Contains(search)
-                        || (i.Description != null && i.Description.ToLower().Contains(search))
-                        || (i.ColorName != null && i.ColorName.ToLower().Contains(search))
-                        || (i.Manufacturer != null && i.Manufacturer.ToLower().Contains(search)))
-                    && (i.Location != null && i.Location.ToLower() == loc.ToLower());
-            else if (hasSearch)
-                filter = i => i.SKU.ToLower().Contains(search) || i.Name.ToLower().Contains(search)
-                    || (i.Description != null && i.Description.ToLower().Contains(search))
-                    || (i.ColorName != null && i.ColorName.ToLower().Contains(search))
-                    || (i.Manufacturer != null && i.Manufacturer.ToLower().Contains(search));
-            else if (hasCategory && hasLocation)
-                filter = i => i.Category.ToLower() == cat.ToLower()
-                    && (i.Location != null && i.Location.ToLower() == loc.ToLower());
-            else if (hasCategory)
-                filter = i => i.Category.ToLower() == cat.ToLower();
-            else if (hasLocation)
-                filter = i => i.Location != null && i.Location.ToLower() == loc.ToLower();
+                        || (i.Manufacturer != null && i.Manufacturer.ToLower().Contains(search)))) &&
+                    (!hasCategory || i.Category.ToLower() == cat.ToLower()) &&
+                    (!hasLocation || (i.Location != null && i.Location.ToLower() == loc.ToLower())) &&
+                    (!hasColorFamily || (i.ColorFamilies != null && (
+                        i.ColorFamilies == colorFam ||
+                        i.ColorFamilies.StartsWith(colorFam + ",") ||
+                        i.ColorFamilies.EndsWith("," + colorFam) ||
+                        i.ColorFamilies.Contains("," + colorFam + ","))));
+            }
 
             // Build orderBy function
             Func<IQueryable<InventoryItem>, IOrderedQueryable<InventoryItem>> orderBy = gridRequest.SortColumn switch
@@ -179,6 +151,14 @@ public class InventoryController : Controller
             var allItems = (await _unitOfWork.InventoryItems.FindAsync(i => i.CompanyId == companyId)).ToList();
             ViewBag.Categories         = allItems.Select(i => i.Category).Where(c => c != null).Distinct().OrderBy(c => c).ToList();
             ViewBag.Locations          = allItems.Select(i => i.Location).Where(l => !string.IsNullOrWhiteSpace(l)).Distinct().OrderBy(l => l).ToList();
+            ViewBag.ColorFamilies      = allItems
+                .Where(i => !string.IsNullOrEmpty(i.ColorFamilies))
+                .SelectMany(i => i.ColorFamilies!.Split(',', StringSplitOptions.RemoveEmptyEntries))
+                .Select(f => f.Trim())
+                .Where(f => f.Length > 0)
+                .Distinct()
+                .OrderBy(f => f)
+                .ToList();
             ViewBag.StatsLowStockCount = allItems.Count(i => i.IsActive && i.QuantityOnHand <= i.ReorderPoint);
             ViewBag.StatsActiveCount   = allItems.Count(i => i.IsActive);
             ViewBag.StatsTotalValue    = allItems.Sum(i => (decimal?)i.QuantityOnHand * i.UnitCost) ?? 0m;
@@ -187,6 +167,7 @@ public class InventoryController : Controller
             ViewBag.SearchTerm   = searchTerm;
             ViewBag.Category     = category;
             ViewBag.Location     = location;
+            ViewBag.ColorFamily  = colorFamily;
             ViewBag.LowStockOnly = lowStockOnly;
             ViewBag.SortColumn   = gridRequest.SortColumn;
             ViewBag.SortDirection = gridRequest.SortDirection;

src/PowderCoating.Web/Controllers/VendorsController.cs

@@ -215,8 +215,23 @@ public class VendorsController : Controller
         try
         {
             var currentUser = await _userManager.GetUserAsync(User);
+            var companyId = currentUser!.CompanyId;
+
+            var duplicate = await _unitOfWork.Vendors.FirstOrDefaultAsync(
+                v => v.CompanyId == companyId && v.CompanyName.ToLower() == dto.CompanyName.ToLower());
+            if (duplicate != null)
+            {
+                var msg = $"A vendor named '{dto.CompanyName}' already exists.";
+                if (inline)
+                    return Json(new { success = false, errors = new[] { msg } });
+                ModelState.AddModelError(nameof(dto.CompanyName), msg);
+                await PopulateExpenseAccountsAsync();
+                await PopulateVendorCategoriesAsync(dto.CategoryIds);
+                return View(dto);
+            }
+
             var vendor = _mapper.Map<Vendor>(dto);
-            vendor.CompanyId = currentUser!.CompanyId;
+            vendor.CompanyId = companyId;
 
             if (dto.CategoryIds.Any())
             {

src/PowderCoating.Web/Views/Inventory/Index.cshtml

@@ -124,8 +124,9 @@
 @{
     var lowStockOnly = (bool)(ViewBag.LowStockOnly ?? false);
     var activeLocation = ViewBag.Location as string;
+    var activeColorFamily = ViewBag.ColorFamily as string;
 }
-@if (!string.IsNullOrEmpty(ViewBag.SearchTerm) || !string.IsNullOrEmpty(ViewBag.Category) || !string.IsNullOrEmpty(activeLocation) || lowStockOnly)
+@if (!string.IsNullOrEmpty(ViewBag.SearchTerm) || !string.IsNullOrEmpty(ViewBag.Category) || !string.IsNullOrEmpty(activeLocation) || !string.IsNullOrEmpty(activeColorFamily) || lowStockOnly)
 {
     <div class="alert @(lowStockOnly ? "alert-warning" : "alert-info") alert-permanent d-flex justify-content-between align-items-center flex-wrap gap-2">
         <div>
@@ -149,6 +150,10 @@
                 {
                     <span> in bin "<strong>@activeLocation</strong>"</span>
                 }
+                @if (!string.IsNullOrEmpty(activeColorFamily))
+                {
+                    <span> in color family "<strong>@activeColorFamily</strong>"</span>
+                }
             }
         </div>
         <div class="d-flex gap-2 flex-wrap">
@@ -182,6 +187,16 @@
                             <option value="@cat" selected="@(cat == ViewBag.Category)">@cat</option>
                         }
                     </select>
+                    @if (((IEnumerable<string>)ViewBag.ColorFamilies).Any())
+                    {
+                        <select name="colorFamily" class="form-select" style="max-width: 160px; min-width: 120px;" onchange="this.form.submit()">
+                            <option value="">All Colors</option>
+                            @foreach (var family in ViewBag.ColorFamilies)
+                            {
+                                <option value="@family" selected="@(family == activeColorFamily)">@family</option>
+                            }
+                        </select>
+                    }
                     @if (((IEnumerable<string?>)ViewBag.Locations).Any())
                     {
                         <select name="location" class="form-select" style="max-width: 180px; min-width: 130px;" onchange="this.form.submit()">
@@ -215,7 +230,7 @@
     <div class="card-body p-0">
         @if (!Model.Items.Any())
         {
-            var isInventoryFiltered = !string.IsNullOrEmpty(ViewBag.SearchTerm as string) || !string.IsNullOrEmpty(ViewBag.Category as string) || lowStockOnly;
+            var isInventoryFiltered = !string.IsNullOrEmpty(ViewBag.SearchTerm as string) || !string.IsNullOrEmpty(ViewBag.Category as string) || !string.IsNullOrEmpty(activeColorFamily) || lowStockOnly;
             <div class="text-center py-5">
                 <i class="bi bi-inbox" style="font-size: 4rem; color: #d1d5db;"></i>
                 <h5 class="mt-3 text-muted">No inventory items found</h5>

src/PowderCoating.Web/Views/Inventory/Label.cshtml

@@ -95,6 +95,12 @@
             color: #333;
         }
 
+        .label-location {
+            font-size: 14px;
+            font-weight: 700;
+            color: #111;
+        }
+
         .label-scan-hint {
             font-size: 9px;
             color: #888;
@@ -158,6 +164,11 @@
             <div class="label-sku" style="color:#777">@Model.Manufacturer</div>
         }
 
+        @if (!string.IsNullOrEmpty(Model.Location))
+        {
+            <div class="label-location">Location: @Model.Location</div>
+        }
+
         <div class="label-scan-hint">
             Scan to log usage &bull; Powder Coating Logix
         </div>

src/PowderCoating.Web/Views/Shared/_Pagination.cshtml

@@ -83,4 +83,12 @@
             </nav>
         </div>
     </div>
+    <script>
+        function changePageSize(size) {
+            var url = new URL(window.location.href);
+            url.searchParams.set('pageSize', size);
+            url.searchParams.set('pageNumber', '1');
+            window.location.href = url.toString();
+        }
+    </script>
 }

src/PowderCoating.Web/wwwroot/css/company-settings-lookups.css

@@ -88,6 +88,20 @@
     border-bottom: 3px solid var(--bs-primary);
 }
 
+/* ── Dark mode fix for main settings tabs: UA button styling bleeds through
+   without an explicit background-color, producing white buttons with faint text. */
+[data-bs-theme="dark"] #settingsTabs .nav-link {
+    background-color: transparent;
+}
+
+[data-bs-theme="dark"] #settingsTabs .nav-link:hover:not(.active) {
+    background-color: var(--bs-tertiary-bg);
+}
+
+[data-bs-theme="dark"] #settingsTabs .nav-link.active {
+    background-color: var(--bs-body-bg);
+}
+
 /* ── PDF Templates inner tabs (card-header-tabs) ────────────────────────── */
 #pdfTemplateTabs .nav-link {
     color: var(--bs-secondary-color);