diff --git a/src/PowderCoating.Web/Controllers/InvoicesController.cs b/src/PowderCoating.Web/Controllers/InvoicesController.cs
index ddb3537..8a6d39e 100644
--- a/src/PowderCoating.Web/Controllers/InvoicesController.cs
+++ b/src/PowderCoating.Web/Controllers/InvoicesController.cs
@@ -355,6 +355,15 @@ public class InvoicesController : Controller
                 var job = await _unitOfWork.Jobs.GetByIdAsync(jobId.Value, false, j => j.Customer, j => j.JobItems);
                 if (job == null) return NotFound();
 
+                // Pre-load coats so we can derive color names for invoice line items
+                var activeItemIds = job.JobItems.Where(ji => !ji.IsDeleted).Select(ji => ji.Id).ToList();
+                var allCoats = activeItemIds.Any()
+                    ? (await _unitOfWork.JobItemCoats.FindAsync(c => activeItemIds.Contains(c.JobItemId) && !c.IsDeleted)).ToList()
+                    : new List<JobItemCoat>();
+                var coatsByItem = allCoats
+                    .GroupBy(c => c.JobItemId)
+                    .ToDictionary(g => g.Key, g => g.OrderBy(c => c.Sequence).ToList());
+
                 // Validate no existing active invoice for this job (voided ones are kept as history)
                 var existing = await _unitOfWork.Invoices.GetForJobAsync(jobId.Value);
                 if (existing != null && existing.Status != InvoiceStatus.Voided)
@@ -404,6 +413,16 @@ public class InvoicesController : Controller
                         revenueAccountId = ci.RevenueAccountId;
                     revenueAccountId ??= defaultRevenueAccount?.Id;
 
+                    // Derive color from coats when the item itself has no explicit color set
+                    var derivedColor = item.ColorName;
+                    if (string.IsNullOrEmpty(derivedColor) && coatsByItem.TryGetValue(item.Id, out var itemCoats))
+                    {
+                        var coatColors = itemCoats
+                            .Where(c => !string.IsNullOrEmpty(c.ColorName))
+                            .Select(c => c.ColorName!);
+                        derivedColor = string.Join(" / ", coatColors);
+                    }
+
                     dto.InvoiceItems.Add(new CreateInvoiceItemDto
                     {
                         SourceJobItemId  = item.Id,
@@ -412,7 +431,7 @@ public class InvoicesController : Controller
                         Quantity         = item.Quantity > 0 ? item.Quantity : 1,
                         UnitPrice        = item.UnitPrice,
                         TotalPrice       = item.TotalPrice,
-                        ColorName        = item.ColorName,
+                        ColorName        = derivedColor,
                         Notes            = item.Notes,
                         DisplayOrder     = order++,
                         RevenueAccountId = revenueAccountId
diff --git a/src/PowderCoating.Web/Views/Jobs/Details.cshtml b/src/PowderCoating.Web/Views/Jobs/Details.cshtml
index 2ca0385..ba820ec 100644
--- a/src/PowderCoating.Web/Views/Jobs/Details.cshtml
+++ b/src/PowderCoating.Web/Views/Jobs/Details.cshtml
@@ -324,6 +324,7 @@
                         @* -- Catalog Products -- *@
                         @if (catalogItems.Any())
                         {
+                            <div class="d-none d-lg-block">
                             <h6 class="text-primary mb-3"><i class="bi bi-bag-check me-2"></i>Catalog Products</h6>
                             <div class="table-responsive mb-4">
                                 <table class="table table-hover table-sm">
@@ -412,11 +413,13 @@
                                     </tbody>
                                 </table>
                             </div>
+                            </div>
                         }
 
                         @* -- Custom Work -- *@
                         @if (customItems.Any())
                         {
+                            <div class="d-none d-lg-block">
                             <h6 class="text-success mb-3"><i class="bi bi-calculator me-2"></i>Custom Work</h6>
                             <div class="table-responsive mb-4">
                                 <table class="table table-hover table-sm">
@@ -563,11 +566,13 @@
                                     </tbody>
                                 </table>
                             </div>
+                            </div>
                         }
 
                         @* -- Labor -- *@
                         @if (laborItems.Any())
                         {
+                            <div class="d-none d-lg-block">
                             <h6 class="text-warning mb-3"><i class="bi bi-person-gear me-2"></i>Labor</h6>
                             <div class="table-responsive mb-4">
                                 <table class="table table-hover table-sm">
@@ -614,6 +619,7 @@
                                     </tbody>
                                 </table>
                             </div>
+                            </div>
                         }
 
                         @* -- Mobile cards -- *@