diff --git a/frontend/src/features/log-explorer/components/LogExplorerView.tsx b/frontend/src/features/log-explorer/components/LogExplorerView.tsx
index 46d94bee3..fa237d2d5 100644
--- a/frontend/src/features/log-explorer/components/LogExplorerView.tsx
+++ b/frontend/src/features/log-explorer/components/LogExplorerView.tsx
@@ -67,7 +67,7 @@ const IMPORTANT_FIELDS = [
   'origin.url',
   'target.url',
 ]
-const MAX_AUTO_COLUMNS = 5
+const MAX_AUTO_COLUMNS = 10
 
 /** Router state passed by an alert's "view all related logs" action. */
 interface RelatedLogsSeed {
@@ -372,8 +372,8 @@ export function LogExplorerView({ initial, onConfigChange }: LogExplorerViewProp
   // fields + a flex message column (default mode). Label-based floors keep
   // header names from cropping when a column is dragged narrow.
   const logGridMins = columns.length > 0
-    ? [20, 3, 168, ...colMins(columns)]
-    : [20, 3, 168, 96, ...colMins(autoColumns), 96]
+    ? [20, 30, 168, ...colMins(columns)]
+    : [20, 30, 168, 96, ...colMins(autoColumns), 96]
   const { template: tableCols, startDrag } = useResizableColumns(logGridColumnSizes(columns, autoColumns), {
     min: logGridMins,
     storageKey: columnStorageKey,
diff --git a/frontend/src/features/log-explorer/components/log-results.tsx b/frontend/src/features/log-explorer/components/log-results.tsx
index 19aa3440f..1b6ae09df 100644
--- a/frontend/src/features/log-explorer/components/log-results.tsx
+++ b/frontend/src/features/log-explorer/components/log-results.tsx
@@ -47,9 +47,12 @@ function absTimestamp(iso: string) {
 // Grid columns. Manual mode (user picked columns): time + each picked column (last
 // flexes). Default mode: time + source + auto-detected important columns + a
 // flexible message column.
+const FIELD_COL = 160
+const MESSAGE_COL = 320
+
 export function logGridColumnSizes(columns: string[], autoColumns: string[] = []): Array<string | number> {
-  if (columns.length > 0) return [20, 3, 168, ...columns.map(() => 'minmax(120px, 1fr)')]
-  return [20, 3, 168, 120, ...autoColumns.map(() => 'minmax(96px, 0.7fr)'), 'minmax(0, 1fr)']
+  if (columns.length > 0) return [20, 30, 168, ...columns.map(() => FIELD_COL)]
+  return [20, 30, 168, FIELD_COL, ...autoColumns.map(() => FIELD_COL), MESSAGE_COL]
 }
 
 function gridTemplate(columns: string[], autoColumns: string[] = []): string {
diff --git a/frontend/src/shared/hooks/useResizableColumns.ts b/frontend/src/shared/hooks/useResizableColumns.ts
index 4e22f7b56..e1c66af3d 100644
--- a/frontend/src/shared/hooks/useResizableColumns.ts
+++ b/frontend/src/shared/hooks/useResizableColumns.ts
@@ -37,6 +37,8 @@ export function useResizableColumns(initial: ColSize[], opts: Opts = {}) {
   const [widths, setWidths] = useState<ColSize[]>(initial)
   const dragRef = useRef<{ index: number; startX: number; startW: number; measured: number[] } | null>(null)
 
+  const effectiveWidths = widths.length === initial.length ? widths : initial
+
   useEffect(() => {
     setWidths(initial)
   }, [initial.length, storageKey])
@@ -88,17 +90,17 @@ export function useResizableColumns(initial: ColSize[], opts: Opts = {}) {
     [min],
   )
 
-  const mins = widths.map((_, i) => minAt(min, i))
+  const mins = effectiveWidths.map((_, i) => minAt(min, i))
   // ponytail: wrap simple fr tracks in minmax so a narrow viewport can't
   // collapse labels below their per-column min. Fixed px tracks and strings
   // that already declare their own function (e.g. `minmax(120px, 1fr)`) are
   // passed through unchanged.
-  const template = widths
+  const template = effectiveWidths
     .map((w, i) => {
       if (typeof w === 'number') return `${w}px`
       return /^[\d.]+fr$/.test(w.trim()) ? `minmax(${mins[i]}px, ${w})` : w
     })
     .join(' ')
 
-  return { widths, template, setWidths, startDrag, mins }
+  return { widths: effectiveWidths, template, setWidths, startDrag, mins }
 }