update docker

www/style.css

@@ -137,15 +137,38 @@ body {
 .content {
   padding: 18px;
   display: grid;
-  grid-template-columns: min(460px, 100%) 1fr;
+  grid-template-columns: var(--leftPaneW, 460px) 10px 1fr;
   gap: 16px;
   align-items: start;
+  height: 100%;
+  min-height: 0;
 }
 .contentLeft {
   display: flex;
   flex-direction: column;
   gap: 16px;
   min-width: 0;
+  max-height: 100%;
+  overflow: auto;
+  overscroll-behavior: contain;
+}
+.contentRight {
+  min-width: 0;
+  max-height: 100%;
+}
+.splitter {
+  align-self: stretch;
+  width: 10px;
+  margin: 0 -16px; /* overlap gap a bit for easier grab */
+  cursor: col-resize;
+  border-radius: 10px;
+  background: rgba(15, 23, 42, 0.04);
+  border: 1px solid rgba(15, 23, 42, 0.08);
+}
+.splitter:hover,
+.splitter.dragging {
+  background: rgba(37, 99, 235, 0.12);
+  border-color: rgba(37, 99, 235, 0.25);
 }
 .modelForm { display: grid; gap: 10px; }
 .modelParams { display: grid; gap: 10px; }
@@ -519,6 +542,8 @@ canvas {
   .shell { grid-template-columns: 1fr; }
   .sidebar { position: relative; height: auto; }
   .body { grid-template-rows: auto 1fr; }
-  .content { grid-template-columns: 1fr; }
+  .content { grid-template-columns: 1fr; height: auto; }
+  .splitter { display: none; }
+  .contentLeft { max-height: none; overflow: visible; }
 }