diff --git a/server/projects.js b/server/projects.js
index 3f0b2b5..4f0aae3 100755
--- a/server/projects.js
+++ b/server/projects.js
@@ -899,22 +899,16 @@ async function addProjectManually(projectPath, displayName = null) {
   // Generate project name (encode path for use as directory name)
   const projectName = absolutePath.replace(/\//g, '-');
   
-  // Check if project already exists in config or as a folder
+  // Check if project already exists in config
   const config = await loadProjectConfig();
   const projectDir = path.join(process.env.HOME, '.claude', 'projects', projectName);
-  
-  try {
-    await fs.access(projectDir);
-    throw new Error(`Project already exists for path: ${absolutePath}`);
-  } catch (error) {
-    if (error.code !== 'ENOENT') {
-      throw error;
-    }
-  }
-  
+
   if (config[projectName]) {
     throw new Error(`Project already configured for path: ${absolutePath}`);
   }
+
+  // Allow adding projects even if the directory exists - this enables tracking
+  // existing Claude Code or Cursor projects in the UI
   
   // Add to config as manually added project
   config[projectName] = {
diff --git a/src/App.jsx b/src/App.jsx
index 82bb91a..b20afb4 100644
--- a/src/App.jsx
+++ b/src/App.jsx
@@ -89,10 +89,12 @@ function AppContent() {
                           document.referrer.includes('android-app://');
       setIsPWA(isStandalone);
       
-      // Add class to body for CSS targeting
+      // Add class to html and body for CSS targeting
       if (isStandalone) {
+        document.documentElement.classList.add('pwa-mode');
         document.body.classList.add('pwa-mode');
       } else {
+        document.documentElement.classList.remove('pwa-mode');
         document.body.classList.remove('pwa-mode');
       }
     };
diff --git a/src/components/DiffViewer.jsx b/src/components/DiffViewer.jsx
new file mode 100644
index 0000000..a624c0b
--- /dev/null
+++ b/src/components/DiffViewer.jsx
@@ -0,0 +1,41 @@
+import React from 'react';
+
+function DiffViewer({ diff, fileName, isMobile, wrapText }) {
+  if (!diff) {
+    return (
+      <div className="p-4 text-center text-gray-500 dark:text-gray-400 text-sm">
+        No diff available
+      </div>
+    );
+  }
+
+  const renderDiffLine = (line, index) => {
+    const isAddition = line.startsWith('+') && !line.startsWith('+++');
+    const isDeletion = line.startsWith('-') && !line.startsWith('---');
+    const isHeader = line.startsWith('@@');
+
+    return (
+      <div
+        key={index}
+        className={`font-mono text-xs p-2 ${
+          isMobile && wrapText ? 'whitespace-pre-wrap break-all' : 'whitespace-pre overflow-x-auto'
+        } ${
+          isAddition ? 'bg-green-50 dark:bg-green-950 text-green-700 dark:text-green-300' :
+          isDeletion ? 'bg-red-50 dark:bg-red-950 text-red-700 dark:text-red-300' :
+          isHeader ? 'bg-blue-50 dark:bg-blue-950 text-blue-700 dark:text-blue-300' :
+          'text-gray-600 dark:text-gray-400'
+        }`}
+      >
+        {line}
+      </div>
+    );
+  };
+
+  return (
+    <div className="diff-viewer">
+      {diff.split('\n').map((line, index) => renderDiffLine(line, index))}
+    </div>
+  );
+}
+
+export default DiffViewer;
\ No newline at end of file
diff --git a/src/components/GitPanel.jsx b/src/components/GitPanel.jsx
index b71d2ef..5962d29 100644
--- a/src/components/GitPanel.jsx
+++ b/src/components/GitPanel.jsx
@@ -2,6 +2,7 @@ import React, { useState, useEffect, useRef } from 'react';
 import { GitBranch, GitCommit, Plus, Minus, RefreshCw, Check, X, ChevronDown, ChevronRight, Info, History, FileText, Mic, MicOff, Sparkles, Download, RotateCcw, Trash2, AlertTriangle, Upload } from 'lucide-react';
 import { MicButton } from './MicButton.jsx';
 import { authenticatedFetch } from '../utils/api';
+import DiffViewer from './DiffViewer.jsx';
 
 function GitPanel({ selectedProject, isMobile }) {
   const [gitStatus, setGitStatus] = useState(null);
@@ -523,27 +524,6 @@ function GitPanel({ selectedProject, isMobile }) {
     }
   };
 
-  const renderDiffLine = (line, index) => {
-    const isAddition = line.startsWith('+') && !line.startsWith('+++');
-    const isDeletion = line.startsWith('-') && !line.startsWith('---');
-    const isHeader = line.startsWith('@@');
-    
-    return (
-      <div
-        key={index}
-        className={`font-mono text-xs ${
-          isMobile && wrapText ? 'whitespace-pre-wrap break-all' : 'whitespace-pre overflow-x-auto'
-        } ${
-          isAddition ? 'bg-green-50 dark:bg-green-950 text-green-700 dark:text-green-300' :
-          isDeletion ? 'bg-red-50 dark:bg-red-950 text-red-700 dark:text-red-300' :
-          isHeader ? 'bg-blue-50 dark:bg-blue-950 text-blue-700 dark:text-blue-300' :
-          'text-gray-600 dark:text-gray-400'
-        }`}
-      >
-        {line}
-      </div>
-    );
-  };
 
   const getStatusLabel = (status) => {
     switch (status) {
@@ -590,7 +570,7 @@ function GitPanel({ selectedProject, isMobile }) {
               <div className="text-xs font-mono text-gray-600 dark:text-gray-400 mb-2">
                 {commit.stats}
               </div>
-              {diff.split('\n').map((line, index) => renderDiffLine(line, index))}
+              <DiffViewer diff={diff} fileName="commit" isMobile={isMobile} wrapText={wrapText} />
             </div>
           </div>
         )}
@@ -705,8 +685,8 @@ function GitPanel({ selectedProject, isMobile }) {
                 </button>
               )}
             </div>
-            <div className="max-h-96 overflow-y-auto p-2">
-              {diff && diff.split('\n').map((line, index) => renderDiffLine(line, index))}
+            <div className="max-h-96 overflow-y-auto">
+              {diff && <DiffViewer diff={diff} fileName={filePath} isMobile={isMobile} wrapText={wrapText} />}
             </div>
         </div>
       </div>
diff --git a/src/components/MainContent.jsx b/src/components/MainContent.jsx
index 645f4b4..676a83f 100644
--- a/src/components/MainContent.jsx
+++ b/src/components/MainContent.jsx
@@ -155,7 +155,6 @@ function MainContent({
         {isMobile && (
           <div 
             className="bg-white dark:bg-gray-800 border-b border-gray-200 dark:border-gray-700 p-3 sm:p-4 pwa-header-safe flex-shrink-0"
-            style={isPWA && isMobile ? { paddingTop: '56px' } : {}}
           >
             <button
               onClick={onMenuClick}
@@ -194,7 +193,6 @@ function MainContent({
         {isMobile && (
           <div 
             className="bg-white dark:bg-gray-800 border-b border-gray-200 dark:border-gray-700 p-3 sm:p-4 pwa-header-safe flex-shrink-0"
-            style={isPWA && isMobile ? { paddingTop: '56px' } : {}}
           >
             <button
               onClick={onMenuClick}
@@ -233,7 +231,6 @@ function MainContent({
       {/* Header with tabs */}
       <div 
         className="bg-white dark:bg-gray-800 border-b border-gray-200 dark:border-gray-700 p-3 sm:p-4 pwa-header-safe flex-shrink-0"
-        style={isPWA && isMobile ? { paddingTop: '56px' } : {}}
       >
         <div className="flex items-center justify-between">
           <div className="flex items-center space-x-2 sm:space-x-3">
diff --git a/src/index.css b/src/index.css
index abdf9c0..7baa3af 100644
--- a/src/index.css
+++ b/src/index.css
@@ -124,18 +124,32 @@
   }
   
   /* PWA mode detected by JavaScript - more reliable */
+  html.pwa-mode,
+  body.pwa-mode {
+    height: 100%;
+    overflow: hidden;
+    background-color: rgb(255 255 255); /* white - same as bg-white for safe area */
+  }
+
   body.pwa-mode #root {
-    padding-top: calc(env(safe-area-inset-top, 0px) + 20px);
+    padding-top: calc(env(safe-area-inset-top, 0px) + 8px);
     padding-left: env(safe-area-inset-left);
     padding-right: env(safe-area-inset-right);
+    height: 100vh;
+    overflow: hidden;
   }
-  
-  /* iOS specific PWA adjustments */
-  @supports (-webkit-touch-callout: none) {
-    body.pwa-mode #root {
-      /* iOS status bar is typically 20-44px */
-      padding-top: max(env(safe-area-inset-top, 44px), 44px);
-    }
+
+  /* Adjust fixed inset positioning in PWA mode */
+  body.pwa-mode .fixed.inset-0 {
+    top: calc(env(safe-area-inset-top, 0px) + 8px);
+    left: env(safe-area-inset-left);
+    right: env(safe-area-inset-right);
+    bottom: 0;
+  }
+
+  /* Dark mode safe area background */
+  html.dark body.pwa-mode {
+    background-color: rgb(31 41 55); /* gray-800 - matches header color */
   }
   
   /* Global transition defaults */
@@ -635,7 +649,15 @@
   /* When PWA mode is detected by JavaScript */
   body.pwa-mode .pwa-header-safe {
     /* Reset padding since #root already handles safe area */
-    padding-top: 12px;
+    padding-top: 0px !important;
+  }
+
+  /* For mobile PWA, ensure proper header spacing */
+  @media screen and (max-width: 768px) {
+    body.pwa-mode .pwa-header-safe {
+      padding-top: 4px !important;
+      padding-bottom: 12px;
+    }
   }
   
   @media screen and (max-width: 768px) {