MediaWiki:Common.css: Difference between revisions

@@ Line 135: / Line 135: @@
    -ms-user-select: none;
    user-select: none;
+}
+/* Scroll container */
+.l1-compare-wrap {
+  overflow-x: auto;
+  max-width: 100%;
+  -webkit-overflow-scrolling: touch;
+  background: #fff;
+}
+/* Keep cells from wrapping so horizontal scroll behaves predictably */
+table.l1-compare {
+  white-space: nowrap;
+  width: 100%;
+  border-collapse: separate;
+  border-spacing: 0;
+}
+/* Sticky header row */
+table.l1-compare th {
+  position: -webkit-sticky;
+  position: sticky;
+  top: 0;
+  background: #f8f9fa; /* Vector/Minerva-friendly */
+  color: #202122;
+  z-index: 10;
+}
+/* Sticky first column (including the top-left corner cell) */
+table.l1-compare th:first-child,
+table.l1-compare td:first-child {
+  position: -webkit-sticky;
+  position: sticky;
+  left: 0;
+  background: #fff;
+  z-index: 9;
+  border-right: 1px solid #a2a9b1;
+}
+/* Ensure the top-left cell sits above both sticky layers */
+table.l1-compare th:first-child {
+  z-index: 11;
+  background: #f8f9fa;
 }