fix: ensure filter popovers appear above pinned columns

- Add zIndex prop to ColumnFilterPopover and TextFilterPopover
- Pass higher zIndex to popovers when column is pinned (zIndex + 100)
- Filter popovers now display correctly over sticky columns

src/components/ColumnFilterPopover.tsx

@@ -19,6 +19,7 @@ interface ColumnFilterPopoverProps {
   onClose: () => void;
   title?: string;
   className?: string;
+  zIndex?: number;
 }
 
 export function ColumnFilterPopover({
@@ -29,7 +30,8 @@ export function ColumnFilterPopover({
   onClear,
   onClose,
   title,
-  className
+  className,
+  zIndex = 50
 }: ColumnFilterPopoverProps) {
   const [search, setSearch] = useState('');
   const [activeTab, setActiveTab] = useState<'values' | 'condition'>('values');
@@ -157,9 +159,10 @@ export function ColumnFilterPopover({
   return (
     <div
       className={cn(
-        "absolute top-full left-0 mt-1 w-72 bg-slate-800 border border-slate-700 rounded-lg shadow-2xl z-50 p-3 flex flex-col gap-3 animate-in fade-in zoom-in-95 duration-100",
+        "absolute top-full left-0 mt-1 w-72 bg-slate-800 border border-slate-700 rounded-lg shadow-2xl p-3 flex flex-col gap-3 animate-in fade-in zoom-in-95 duration-100",
         className
       )}
+      style={{ zIndex }}
       onClick={(e) => e.stopPropagation()}
     >
       <button

src/components/PricingView.tsx

@@ -1167,6 +1167,7 @@ export function PricingView({ data, headers, onSaveRow, onCaptureState, onEdit,
                       value={articleNoColFilter}
                       onChange={setArticleNoColFilter}
                       onClose={() => setOpenFilter(null)}
+                      zIndex={isPinned('articleNo') ? (getStickyRank('articleNo') ?? 0) + 100 : 50}
                     />
                   )}
                   <ResizeHandle onMouseDown={e => { e.stopPropagation(); handleResizeStart(e, 'articleNo', columnWidths.articleNo); }} />
@@ -1194,6 +1195,7 @@ export function PricingView({ data, headers, onSaveRow, onCaptureState, onEdit,
                       value={nameColFilter}
                       onChange={setNameColFilter}
                       onClose={() => setOpenFilter(null)}
+                      zIndex={isPinned('articleName') ? (getStickyRank('articleName') ?? 0) + 100 : 50}
                     />
                   )}
                   <ResizeHandle onMouseDown={e => { e.stopPropagation(); handleResizeStart(e, 'articleName', columnWidths.articleName); }} />
@@ -1224,6 +1226,7 @@ export function PricingView({ data, headers, onSaveRow, onCaptureState, onEdit,
                       onSelectAll={vals => setLineMultiFilter(vals)}
                       onClear={() => { setLineMultiFilter([]); setOpenFilter(null); }}
                       onClose={() => setOpenFilter(null)}
+                      zIndex={isPinned('line') ? (getStickyRank('line') ?? 0) + 100 : 50}
                     />
                   )}
                   <ResizeHandle onMouseDown={e => { e.stopPropagation(); handleResizeStart(e, 'line', columnWidths.line); }} />
@@ -1254,6 +1257,7 @@ export function PricingView({ data, headers, onSaveRow, onCaptureState, onEdit,
                       onSelectAll={vals => setClassificationFilter(vals)}
                       onClear={() => { setClassificationFilter([]); setOpenFilter(null); }}
                       onClose={() => setOpenFilter(null)}
+                      zIndex={isPinned('classification') ? (getStickyRank('classification') ?? 0) + 100 : 50}
                     />
                   )}
                   <ResizeHandle onMouseDown={e => { e.stopPropagation(); handleResizeStart(e, 'classification', columnWidths.classification); }} />
@@ -1281,6 +1285,7 @@ export function PricingView({ data, headers, onSaveRow, onCaptureState, onEdit,
                       onSelectAll={vals => setProductTypeFilter(vals)}
                       onClear={() => { setProductTypeFilter([]); setOpenFilter(null); }}
                       onClose={() => setOpenFilter(null)}
+                      zIndex={isPinned('productType') ? (getStickyRank('productType') ?? 0) + 100 : 50}
                     />
                   )}
                   <ResizeHandle onMouseDown={e => { e.stopPropagation(); handleResizeStart(e, 'productType', columnWidths.productType); }} />
@@ -1334,6 +1339,7 @@ export function PricingView({ data, headers, onSaveRow, onCaptureState, onEdit,
                             onSelectAll={vals => setDynamicColFilters(prev => ({ ...prev, [col.index]: vals }))}
                             onClear={() => { setDynamicColFilters(prev => { const next = { ...prev }; delete next[col.index]; return next; }); setOpenFilter(null); }}
                             onClose={() => setOpenFilter(null)}
+                            zIndex={isPinned(colKey) ? (getStickyRank(colKey) ?? 0) + 100 : 50}
                           />
                         )}
                       <ResizeHandle onMouseDown={e => { e.stopPropagation(); handleResizeStart(e, colKey, width); }} />
@@ -1367,6 +1373,7 @@ export function PricingView({ data, headers, onSaveRow, onCaptureState, onEdit,
                       onSelectAll={vals => setUnitsOuterFilter(vals)}
                       onClear={() => { setUnitsOuterFilter([]); setOpenFilter(null); }}
                       onClose={() => setOpenFilter(null)}
+                      zIndex={isPinned('unitsOuter') ? (getStickyRank('unitsOuter') ?? 0) + 100 : 50}
                     />
                   )}
                   <ResizeHandle onMouseDown={e => { e.stopPropagation(); handleResizeStart(e, 'unitsOuter', columnWidths.unitsOuter); }} />
@@ -1398,6 +1405,7 @@ export function PricingView({ data, headers, onSaveRow, onCaptureState, onEdit,
                       onSelectAll={vals => setOuterWFilter(vals)}
                       onClear={() => { setOuterWFilter([]); setOpenFilter(null); }}
                       onClose={() => setOpenFilter(null)}
+                      zIndex={isPinned('outerW') ? (getStickyRank('outerW') ?? 0) + 100 : 50}
                     />
                   )}
                   <ResizeHandle onMouseDown={e => { e.stopPropagation(); handleResizeStart(e, 'outerW', columnWidths.outerW); }} />
@@ -1429,6 +1437,7 @@ export function PricingView({ data, headers, onSaveRow, onCaptureState, onEdit,
                       onSelectAll={vals => setOuterLFilter(vals)}
                       onClear={() => { setOuterLFilter([]); setOpenFilter(null); }}
                       onClose={() => setOpenFilter(null)}
+                      zIndex={isPinned('outerL') ? (getStickyRank('outerL') ?? 0) + 100 : 50}
                     />
                   )}
                   <ResizeHandle onMouseDown={e => { e.stopPropagation(); handleResizeStart(e, 'outerL', columnWidths.outerL); }} />
@@ -1460,6 +1469,7 @@ export function PricingView({ data, headers, onSaveRow, onCaptureState, onEdit,
                       onSelectAll={vals => setOuterHFilter(vals)}
                       onClear={() => { setOuterHFilter([]); setOpenFilter(null); }}
                       onClose={() => setOpenFilter(null)}
+                      zIndex={isPinned('outerH') ? (getStickyRank('outerH') ?? 0) + 100 : 50}
                     />
                   )}
                   <ResizeHandle onMouseDown={e => { e.stopPropagation(); handleResizeStart(e, 'outerH', columnWidths.outerH); }} />
@@ -1503,6 +1513,7 @@ export function PricingView({ data, headers, onSaveRow, onCaptureState, onEdit,
                             onSelectAll={vals => setDynamicColFilters(prev => ({ ...prev, [col.index]: vals }))}
                             onClear={() => { setDynamicColFilters(prev => { const next = { ...prev }; delete next[col.index]; return next; }); setOpenFilter(null); }}
                             onClose={() => setOpenFilter(null)}
+                            zIndex={isPinned(colKey) ? (getStickyRank(colKey) ?? 0) + 100 : 50}
                           />
                         )}
                       <ResizeHandle onMouseDown={e => { e.stopPropagation(); handleResizeStart(e, colKey, width); }} />
@@ -1928,10 +1939,11 @@ export function PricingView({ data, headers, onSaveRow, onCaptureState, onEdit,
 }
 
 // ── Text filter popover ───────────────────────────────────────────────────────
-function TextFilterPopover({ value, onChange, onClose }: {
+function TextFilterPopover({ value, onChange, onClose, zIndex = 50 }: {
   value: { terms: string[]; op: 'and' | 'or' };
   onChange: (v: { terms: string[]; op: 'and' | 'or' }) => void;
   onClose: () => void;
+  zIndex?: number;
 }) {
   const addTerm = () => {
     if (value.terms.length < 5) {
@@ -1956,7 +1968,7 @@ function TextFilterPopover({ value, onChange, onClose }: {
   };
 
   return (
-    <div className="absolute top-full left-0 mt-1 w-72 bg-slate-800 border border-slate-700 rounded-lg shadow-2xl z-50 p-4 flex flex-col gap-4 animate-in fade-in zoom-in-95 duration-100" onClick={e => e.stopPropagation()}>
+    <div className="absolute top-full left-0 mt-1 w-72 bg-slate-800 border border-slate-700 rounded-lg shadow-2xl p-4 flex flex-col gap-4 animate-in fade-in zoom-in-95 duration-100" style={{ zIndex }} onClick={e => e.stopPropagation()}>
       <div className="flex flex-col gap-3">
         <label className="text-[10px] font-bold text-slate-500 uppercase tracking-wider">Show rows where field contains:</label>