Fix Tailwind CSS styling configuration

- Add tailwind.config.ts with proper content paths and theme config
- Add postcss.config.js for Tailwind and autoprefixer processing
- Downgrade tailwindcss to v3.4.17 and add missing PostCSS dependencies
- Update Dockerfile to clarify build process
- Fix UI styling issues in Docker environment

app/page.tsx

@@ -1,11 +1,20 @@
-import AIAnalysisPanel from '../components/AIAnalysisPanel'
 import Dashboard from '../components/Dashboard'
 
 export default function HomePage() {
   return (
-    <>
-      <AIAnalysisPanel />
+    <div className="space-y-8">
+      {/* Hero Section */}
+      <div className="text-center py-8">
+        <h1 className="text-4xl font-bold bg-gradient-to-r from-cyan-400 to-blue-600 bg-clip-text text-transparent mb-4">
+          AI Trading Dashboard
+        </h1>
+        <p className="text-gray-400 text-lg max-w-2xl mx-auto">
+          Advanced cryptocurrency trading with AI-powered analysis, automated execution, and real-time monitoring.
+        </p>
+      </div>
+      
+      {/* Main Dashboard */}
       <Dashboard />
-    </>
+    </div>
   )
 }