header fix

src/components/ScopeCard.tsx

@@ -203,8 +203,8 @@ const ScopeCard: Component<ScopeCardProps> = (props) => {
                     onClick={(e) => { if (e.target === e.currentTarget) props.onClearSelection(); }}
                     class="p-6 space-y-4 relative"
                 >
-                    <div class="overflow-x-auto w-full pb-4 -mx-6 px-6">
+                    <Show when={scopeItems().length > 0}>
-                        <div class="min-w-[768px]">
+                        <div class="relative pb-4">
                             {/* Column Headers - Sticky, Square Top */}
                             <div class="sticky top-header z-20 bg-background/95 backdrop-blur-sm border-b border-border py-2 mb-2 hidden md:flex items-center gap-4 text-[10px] font-bold text-muted-foreground uppercase tracking-wider px-3 rounded-none">
                                 <div class="w-4 shrink-0"></div> {/* Grip space */}
@@ -240,14 +240,15 @@ const ScopeCard: Component<ScopeCardProps> = (props) => {
                                 </LazyItem>
                             )}
                                 </For>
+                            </div>
+                        </div>
+                    </Show>
+
                     <Show when={scopeItems().length === 0 && props.subScopes.length === 0}>
                         <div class="text-center py-8 text-muted-foreground/50 italic text-sm">
                             Empty scope. Drag items here or add sub-scopes.
                         </div>
                     </Show>
-                    </div>
-                        </div>
-                    </div>
 
                     {/* Sub-scopes */}
                     <div class="space-y-6 pt-4">

src/components/SubScopeCard.tsx

@@ -164,12 +164,27 @@ const SubScopeCard: Component<SubScopeCardProps> = (props) => {
             </div>
 
             <Show when={!isCollapsed()}>
-                <div class="overflow-x-auto w-full pb-2 -mx-2 px-2">
-                    <div class="min-w-[768px]">
                 <div
                     onClick={(e) => { if (e.target === e.currentTarget) props.onClearSelection(); }}
-                            class="p-2 space-y-1.5"
+                    class="p-2 space-y-1.5 relative"
                 >
+                    {/* SubScope Column Headers */}
+                    <Show when={props.items.length > 0}>
+                        <div class="sticky top-header z-20 bg-background/95 backdrop-blur-sm hidden md:flex items-center gap-4 text-[9px] font-bold text-muted-foreground/60 uppercase tracking-wider px-3 pb-2 pt-1 mb-2 border-b border-border/40">
+                            <div class="w-4 shrink-0"></div>
+                            <div class="flex-1 min-w-[200px]">Description</div>
+                            <div class="w-20 shrink-0 text-right">Qty</div>
+                            <div class="w-24 shrink-0 text-right">Price</div>
+                            <div class="w-24 shrink-0 text-right">Subtotal</div>
+                            <Show when={props.isSidebarCollapsed() || !props.hideColumns}>
+                                <div class="w-32 shrink-0 text-center">Markup</div>
+                                <div class="w-32 shrink-0 text-center">Contingency</div>
+                            </Show>
+                            <div class="w-28 shrink-0 text-right px-2">Total</div>
+                            <div class="w-16 shrink-0"></div>
+                        </div>
+                    </Show>
+
                     <For each={props.items}>
                         {(item) => (
                             <LazyItem estimatedHeight={60}>
@@ -194,8 +209,6 @@ const SubScopeCard: Component<SubScopeCardProps> = (props) => {
                         </div>
                     </Show>
                 </div>
-                    </div>
-                </div>
             </Show>
         </div>
     );

src/components/estimate-builder/UnassignedItemsSection.tsx

@@ -43,8 +43,7 @@ export const UnassignedItemsSection: Component<UnassignedItemsSectionProps> = (p
                         {props.unassignedItems.length} Items Pending
                     </span>
                 </div>
-                <div class="overflow-x-auto w-full pb-4 -mx-6 px-6">
+                <div class="relative pb-4">
-                    <div class="min-w-[768px]">
                     {/* Sticky Column Headers for Unassigned */}
                         <div class="sticky top-header z-10 bg-background/95 backdrop-blur-sm border-b border-border py-3 mb-4 hidden md:flex items-center gap-4 text-[10px] font-black text-muted-foreground/60 uppercase tracking-[0.2em] px-3">
                             <div class="w-4 shrink-0"></div>
@@ -82,7 +81,6 @@ export const UnassignedItemsSection: Component<UnassignedItemsSectionProps> = (p
                 </div>
             </div>
             </div>
-            </div>
         </Show>
     );
 };