diff --git a/app/static/css/layout.css b/app/static/css/layout.css
index 6acaf6c..a66d5bb 100644
--- a/app/static/css/layout.css
+++ b/app/static/css/layout.css
@@ -246,6 +246,20 @@ body.drawer-open .drawer-backdrop { opacity: 1; }
     grid-template-columns: 1fr;
     grid-template-areas: "header" "indicators" "portfolio" "log" "news";
   }
+  /* Single-column layout — the log panel no longer shares a row with
+     indicators + portfolio, so the height-constraint dance above
+     would just collapse the panel to nothing. Drop the constraint and
+     let the log expand to its natural content height; page scroll
+     takes over. */
+  #log-panel {
+    contain: none;
+    display: block;
+  }
+  #log-panel .panel-body {
+    flex: none;
+    min-height: auto;
+    overflow-y: visible;
+  }
 }
 
 #dash-header-container { grid-area: header; }
@@ -253,10 +267,25 @@ body.drawer-open .drawer-backdrop { opacity: 1; }
 #portfolio-panel  { grid-area: portfolio; }
 #log-panel        {
   grid-area: log;
-  /* Stretch (default align-self) so the log panel's border reaches the
-     bottom of the portfolio next to it — the two right-hand panels
-     align cleanly. The log body itself sits at the top of the panel;
-     any height beyond its content is empty padding inside the box. */
+  /* Bottom-align with the portfolio panel WITHOUT padding the inside
+     of either box. The key is `contain: size`: a grid item with this
+     contracts to declare "my contents do not contribute to my own
+     intrinsic size." The outer grid therefore sizes rows 2-3 from
+     indicators + portfolio alone; this panel stretches to that
+     combined height; if the log content is taller it scrolls inside.
+     The flex column + min-height:0 chain lets .panel-body fill the
+     remaining height below the header and scroll instead of
+     overflowing the panel. */
+  contain: size;
+  display: flex;
+  flex-direction: column;
+  min-height: 0;
+}
+#log-panel .panel-header { flex-shrink: 0; }
+#log-panel .panel-body {
+  flex: 1;
+  min-height: 0;
+  overflow-y: auto;
 }
 #news-panel       { grid-area: news; }