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src/components/article/ArticleTileTab.jsx

@@ -79,8 +79,19 @@ const SETTINGS_TAB = {
   help: 'Artikeleinstellungen, Einheiten, Steuersatz und Löschen',
 };
 
-function visibleTabs() {
-  return [...ALWAYS_TABS, SETTINGS_TAB];
+function visibleTabs(article) {
+  const isFather = Boolean(article?.isFather);
+  const tabs = ALWAYS_TABS.map((row) => {
+    if (row.id === ARTICLE_TAB.supplier && isFather) {
+      return {
+        ...row,
+        disabled: true,
+        help: 'Lieferanten sind für Vaterartikel deaktiviert (werden auf Variantenebene gepflegt).',
+      };
+    }
+    return row;
+  });
+  return [...tabs, SETTINGS_TAB];
 }
 
 function readRouteTab() {
@@ -264,6 +275,7 @@ class ArticleTileTab extends PureComponent {
                 <Tab
                   key={row.id}
                   value={row.id}
+                  disabled={Boolean(row.disabled)}
                   aria-label={row.label}
                   icon={
                     <>
@@ -300,6 +312,12 @@ class ArticleTileTab extends PureComponent {
                       color: 'text.primary',
                       borderBottom: 'none',
                     },
+                    '&.Mui-disabled': {
+                      opacity: 0.4,
+                      bgcolor: '#e2e8f0',
+                      cursor: 'not-allowed',
+                      pointerEvents: 'auto',
+                    },
                   }}
                 />
               );

src/components/article/articleRoute.js

@@ -30,8 +30,12 @@ export function articleSku(article) {
   return sku || null;
 }
 
-export function articleTabIds() {
-  return [...BASE_ARTICLE_TAB_IDS, ARTICLE_TAB.settings];
+export function articleTabIds(article) {
+  let ids = [...BASE_ARTICLE_TAB_IDS];
+  if (article?.isFather) {
+    ids = ids.filter((id) => id !== ARTICLE_TAB.supplier);
+  }
+  return [...ids, ARTICLE_TAB.settings];
 }
 
 export function isArticleTabId(tab) {

src/components/article/boxes/ArticleViewPrice.jsx

@@ -3,7 +3,7 @@ import Box from '@mui/material/Box';
 import InputAdornment from '@mui/material/InputAdornment';
 import TextField from '@mui/material/TextField';
 import Typography from '@mui/material/Typography';
-import { EditablePanelTile } from 'dashgui/panels';
+import { EditablePanelTile, PanelTile } from 'dashgui/panels';
 import ArticlePriceTiersDialog from '../ArticlePriceTiersDialog';
 import ArticleUnitEditorDialog from '../ArticleUnitEditorDialog';
 import { StorageManagerContext } from '../../../api/storageManagerContext';
@@ -485,6 +485,53 @@ export default class ArticleViewPrice extends PureComponent {
 
   render() {
     const { article: articleData } = this.props;
+
+    if (articleData?.isFather) {
+      return (
+        <PanelTile
+          wide={1}
+          minHeight={SECOND_ROW_MIN_HEIGHT}
+          color="#e2e8f0"
+          contentAlignItems="flex-start"
+        >
+          <Box sx={{ display: 'flex', flexDirection: 'column', height: '100%', width: '100%' }}>
+            <Typography
+              variant="caption"
+              color="text.secondary"
+              sx={{
+                textTransform: 'uppercase',
+                letterSpacing: 0.6,
+                fontWeight: 600,
+                display: 'block',
+              }}
+            >
+              Preis
+            </Typography>
+            <Box sx={{ my: 0.75 }}>
+              <Typography
+                component="div"
+                sx={{
+                  fontSize: '1.25rem',
+                  fontWeight: 700,
+                  lineHeight: 1.2,
+                  color: 'text.secondary',
+                }}
+              >
+                Kein Preis
+              </Typography>
+              <Typography
+                variant="caption"
+                color="text.secondary"
+                sx={{ display: 'block', mt: 0.25 }}
+              >
+                Preise werden auf Variantenebene gepflegt
+              </Typography>
+            </Box>
+          </Box>
+        </PanelTile>
+      );
+    }
+
     const { company, tiersDialogOpen, unitEditorOpen } = this.state;
     const priceValue = priceDraftValue(articleData, company);
     const basePrice = primaryPrice(articleData);

src/components/article/boxes/ArticleViewStock.jsx

@@ -31,8 +31,9 @@ export default class ArticleViewStock extends PureComponent {
   render() {
     const { article: articleData } = this.props;
     const { adjustOpen } = this.state;
+    const isFather = Boolean(articleData?.isFather);
     const isTrackStock =
-      articleData?.track_stock !== false && articleData?.track_stock !== 0;
+      !isFather && articleData?.track_stock !== false && articleData?.track_stock !== 0;
 
     const rawWarehouses = Array.isArray(articleData?.warehouses)
       ? articleData.warehouses
@@ -60,12 +61,16 @@ export default class ArticleViewStock extends PureComponent {
         <PanelTile
           wide={1}
           minHeight={SECOND_ROW_MIN_HEIGHT}
-          color="#bbf7d0"
-          action={{
-            label: 'Bestand anpassen',
-            icon: EditOutlinedIcon,
-            onClick: this.handleOpenAdjust,
-          }}
+          color={isFather ? '#e2e8f0' : '#bbf7d0'}
+          action={
+            isFather
+              ? null
+              : {
+                  label: 'Bestand anpassen',
+                  icon: EditOutlinedIcon,
+                  onClick: this.handleOpenAdjust,
+                }
+          }
         >
           <Box
             sx={{
@@ -90,7 +95,28 @@ export default class ArticleViewStock extends PureComponent {
                 Bestand
               </Typography>
 
-              {isTrackStock ? (
+              {isFather ? (
+                <Box sx={{ my: 0.75 }}>
+                  <Typography
+                    component="div"
+                    sx={{
+                      fontSize: '1.25rem',
+                      fontWeight: 700,
+                      lineHeight: 1.2,
+                      color: 'text.secondary',
+                    }}
+                  >
+                    Kein Bestand
+                  </Typography>
+                  <Typography
+                    variant="caption"
+                    color="text.secondary"
+                    sx={{ display: 'block', mt: 0.25 }}
+                  >
+                    Bestand wird auf Variantenebene geführt
+                  </Typography>
+                </Box>
+              ) : isTrackStock ? (
                 <Tooltip title="Klicken, um Bestand anzupassen" arrow placement="top-start">
                   <Box
                     onClick={this.handleOpenAdjust}
@@ -251,11 +277,13 @@ export default class ArticleViewStock extends PureComponent {
           </Box>
         </PanelTile>
 
-        <ArticleStockAdjustDialog
-          open={adjustOpen}
-          onClose={this.handleCloseAdjust}
-          article={articleData}
-        />
+        {!isFather ? (
+          <ArticleStockAdjustDialog
+            open={adjustOpen}
+            onClose={this.handleCloseAdjust}
+            article={articleData}
+          />
+        ) : null}
       </>
     );
   }

src/components/article/tabs/ArticleSupplierTab.jsx

@@ -197,6 +197,33 @@ export default class ArticleSupplierTab extends PureComponent {
       busyId,
     } = this.state;
 
+    if (this.props.article?.isFather) {
+      return (
+        <Box
+          sx={{
+            display: 'flex',
+            flexDirection: 'column',
+            alignItems: 'center',
+            justifyContent: 'center',
+            py: 6,
+            px: 2,
+            borderRadius: 2,
+            border: '1px dashed rgba(0, 0, 0, 0.15)',
+            bgcolor: 'rgba(0, 0, 0, 0.01)',
+            textAlign: 'center',
+          }}
+        >
+          <LocalShippingOutlinedIcon sx={{ fontSize: 48, mb: 1.5, color: 'text.secondary', opacity: 0.4 }} />
+          <Typography variant="subtitle2" sx={{ fontWeight: 600, mb: 0.5, color: 'text.secondary' }}>
+            Lieferanten sind für Vaterartikel deaktiviert
+          </Typography>
+          <Typography variant="body2" color="text.secondary" sx={{ maxWidth: 400 }}>
+            Lieferanten, Einkaufspreise und Lieferanten-Artikelnummern werden für jede Variante separat gepflegt.
+          </Typography>
+        </Box>
+      );
+    }
+
     if (loading) {
       return (
         <Box sx={{ display: 'flex', justifyContent: 'center', alignItems: 'center', py: 6 }}>