diff --git a/css/style.css b/css/style.css
index b8aa842..464084a 100644
--- a/css/style.css
+++ b/css/style.css
@@ -786,7 +786,9 @@ input[type="range"]::-webkit-slider-thumb {
    table header) offsets by --hdr-h. */
 .content-header {
     display: flex; align-items: baseline; gap: 12px; margin-bottom: 20px;
-    /* Height of the batch bar — reserved even when nothing is selected. */
+    /* Height of the batch bar — reserved even when nothing is selected, so
+       selecting something never moves the grid. .batch-bar pins itself to the
+       same value; change both together. */
     min-height: 38px;
     position: sticky; top: 0; z-index: 12;
     background: var(--bg);
@@ -996,8 +998,13 @@ input[type="range"]::-webkit-slider-thumb {
 .batch-bar {
     flex: 1;
     align-self: center;
+    /* EXACTLY the height .content-header reserves. Left to grow, the bar was a
+       few pixels taller than the reservation and pushed the whole grid down as
+       soon as anything was selected — the shift the sticky header was meant to
+       prevent in the first place. */
+    height: 38px;
     display: flex; align-items: center; gap: 8px;
-    padding: 5px 10px;
+    padding: 0 10px;
     background: var(--bg-elev);
     border: 1px solid var(--accent);
     border-radius: var(--radius);