diff --git a/webui/src/pages/Config.tsx b/webui/src/pages/Config.tsx
index 3d7bcfb..98a707e 100644
--- a/webui/src/pages/Config.tsx
+++ b/webui/src/pages/Config.tsx
@@ -1,26 +1,30 @@
-import React, { useState } from 'react';
+import React, { useMemo, useState } from 'react';
 import { RefreshCw, Save } from 'lucide-react';
 import { useTranslation } from 'react-i18next';
 import { useAppContext } from '../context/AppContext';
 import RecursiveConfig from '../components/RecursiveConfig';
 
 function setPath(obj: any, path: string, value: any) {
-  const keys = path.split('.')
-  const next = JSON.parse(JSON.stringify(obj || {}))
-  let cur = next
+  const keys = path.split('.');
+  const next = JSON.parse(JSON.stringify(obj || {}));
+  let cur = next;
   for (let i = 0; i < keys.length - 1; i++) {
-    const k = keys[i]
-    if (typeof cur[k] !== 'object' || cur[k] === null) cur[k] = {}
-    cur = cur[k]
+    const k = keys[i];
+    if (typeof cur[k] !== 'object' || cur[k] === null) cur[k] = {};
+    cur = cur[k];
   }
-  cur[keys[keys.length - 1]] = value
-  return next
+  cur[keys[keys.length - 1]] = value;
+  return next;
 }
 
 const Config: React.FC = () => {
   const { t } = useTranslation();
   const { cfg, setCfg, cfgRaw, setCfgRaw, loadConfig, hotReloadFieldDetails, q } = useAppContext();
   const [showRaw, setShowRaw] = useState(false);
+  const topKeys = useMemo(() => Object.keys(cfg || {}).filter(k => typeof (cfg as any)?.[k] === 'object' && (cfg as any)?.[k] !== null), [cfg]);
+  const [selectedTop, setSelectedTop] = useState<string>('');
+
+  const activeTop = selectedTop || topKeys[0] || '';
 
   async function saveConfig() {
     try {
@@ -35,8 +39,8 @@ const Config: React.FC = () => {
   }
 
   return (
-    <div className="p-8 max-w-5xl mx-auto space-y-6 flex flex-col min-h-full">
-      <div className="flex items-center justify-between">
+    <div className="p-4 md:p-8 max-w-7xl mx-auto space-y-6 flex flex-col min-h-full">
+      <div className="flex items-center justify-between gap-3 flex-wrap">
         <h1 className="text-2xl font-semibold tracking-tight">{t('configuration')}</h1>
         <div className="flex items-center gap-1 bg-zinc-900/80 p-1 rounded-lg border border-zinc-800">
           <button onClick={() => setShowRaw(false)} className={`px-4 py-1.5 text-sm font-medium rounded-md transition-all ${!showRaw ? 'bg-zinc-800 text-white shadow-sm' : 'text-zinc-400 hover:text-zinc-200'}`}>{t('form')}</button>
@@ -65,19 +69,41 @@ const Config: React.FC = () => {
         </div>
       </div>
 
-      <div className="flex-1 bg-zinc-900/40 border border-zinc-800/80 rounded-2xl overflow-hidden flex flex-col shadow-sm">
+      <div className="flex-1 bg-zinc-900/40 border border-zinc-800/80 rounded-2xl overflow-hidden flex flex-col shadow-sm min-h-[420px]">
         {!showRaw ? (
-          <div className="p-8 overflow-y-auto">
-            <RecursiveConfig 
-              data={cfg} 
-              labels={t('configLabels', { returnObjects: true }) as Record<string, string>}
-              onChange={(path, val) => setCfg(v => setPath(v, path, val))} 
-            />
+          <div className="flex-1 flex min-h-0">
+            <aside className="w-44 md:w-56 border-r border-zinc-800 bg-zinc-950/40 p-2 md:p-3 overflow-y-auto shrink-0">
+              <div className="text-xs text-zinc-500 uppercase tracking-widest mb-2 px-2">Top Level</div>
+              <div className="space-y-1">
+                {topKeys.map((k) => (
+                  <button
+                    key={k}
+                    onClick={() => setSelectedTop(k)}
+                    className={`w-full text-left px-3 py-2 rounded-lg text-sm transition-colors ${activeTop === k ? 'bg-indigo-500/20 text-indigo-300 border border-indigo-500/30' : 'text-zinc-300 hover:bg-zinc-800/60'}`}
+                  >
+                    {k}
+                  </button>
+                ))}
+              </div>
+            </aside>
+
+            <div className="flex-1 p-4 md:p-6 overflow-y-auto">
+              {activeTop ? (
+                <RecursiveConfig
+                  data={(cfg as any)?.[activeTop] || {}}
+                  labels={t('configLabels', { returnObjects: true }) as Record<string, string>}
+                  path={activeTop}
+                  onChange={(path, val) => setCfg(v => setPath(v, path, val))}
+                />
+              ) : (
+                <div className="text-zinc-500 text-sm">No config groups found.</div>
+              )}
+            </div>
           </div>
         ) : (
-          <textarea 
-            value={cfgRaw} 
-            onChange={(e) => setCfgRaw(e.target.value)} 
+          <textarea
+            value={cfgRaw}
+            onChange={(e) => setCfgRaw(e.target.value)}
             className="flex-1 w-full bg-zinc-950 p-6 font-mono text-sm text-zinc-300 focus:outline-none resize-none"
             spellCheck={false}
           />