Polish vendor stockout mobile summary

web/static/css/page-vendor-list.css

@@ -277,12 +277,104 @@
 }
 
 @media (max-width: 720px) {
+  .stockout-list-stack {
+    gap: 14px;
+  }
+
   .stockout-header,
   .stockout-table-head {
     flex-direction: column;
     align-items: stretch;
   }
-  .stockout-kpi-grid,
-  .stockout-filter-form { grid-template-columns: 1fr; }
+
+  .stockout-header {
+    gap: 14px;
+    padding: 16px;
+  }
+
+  .stockout-actions {
+    display: grid;
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+  }
+
+  .stockout-action,
+  .stockout-tab,
+  .stockout-page-link {
+    min-height: 36px;
+    padding: 8px 10px;
+  }
+
+  .stockout-kpi-grid {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+    gap: 8px;
+  }
+
+  .stockout-kpi {
+    min-width: 0;
+    padding: 12px;
+  }
+
+  .stockout-kpi:last-child {
+    grid-column: 1 / -1;
+  }
+
+  .stockout-kpi-value {
+    margin-top: 6px;
+    font-size: 22px;
+  }
+
+  .stockout-kpi-sub {
+    margin-top: 6px;
+    font-size: 10px;
+  }
+
+  .stockout-filter-card {
+    padding: 12px;
+  }
+
+  .stockout-filter-form {
+    grid-template-columns: 1fr;
+    gap: 8px;
+  }
+
+  .stockout-status-tabs {
+    flex-wrap: nowrap;
+    max-width: 100%;
+    padding-bottom: 2px;
+    overflow-x: auto;
+    scrollbar-width: none;
+  }
+
+  .stockout-status-tabs::-webkit-scrollbar {
+    display: none;
+  }
+
+  .stockout-tab {
+    flex: 0 0 auto;
+  }
+
+  .stockout-table-head,
+  .stockout-pagination {
+    padding: 12px;
+  }
+
   .stockout-title { font-size: 26px; }
 }
+
+@media (max-width: 420px) {
+  .stockout-title {
+    font-size: 24px;
+  }
+
+  .stockout-subtitle {
+    font-size: 12px;
+  }
+
+  .stockout-kpi {
+    padding: 10px;
+  }
+
+  .stockout-kpi-value {
+    font-size: 20px;
+  }
+}