feat(chat): redesign chat and add theme support

.vscode/settings.json

@@ -1,3 +1,4 @@
 {
     "editor.formatOnSave": true,
+    "editor.defaultFormatter": "esbenp.prettier-vscode"
 }

chat/components.json

@@ -0,0 +1,21 @@
+{
+  "$schema": "https://ui.shadcn.com/schema.json",
+  "style": "new-york",
+  "rsc": true,
+  "tsx": true,
+  "tailwind": {
+    "config": "",
+    "css": "src/app/globals.css",
+    "baseColor": "slate",
+    "cssVariables": true,
+    "prefix": ""
+  },
+  "aliases": {
+    "components": "@/components",
+    "utils": "@/lib/utils",
+    "ui": "@/components/ui",
+    "lib": "@/lib",
+    "hooks": "@/hooks"
+  },
+  "iconLibrary": "lucide"
+}

chat/package.json

@@ -12,9 +12,18 @@
     "deploy-gh-pages": "GITHUB_PAGES=true next build && gh-pages -d out --nojekyll -e chat -f"
   },
   "dependencies": {
+    "@radix-ui/react-dropdown-menu": "^2.1.14",
+    "@radix-ui/react-slot": "^1.2.2",
+    "@radix-ui/react-tabs": "^1.1.11",
+    "class-variance-authority": "^0.7.1",
+    "clsx": "^2.1.1",
+    "lucide-react": "^0.511.0",
     "next": "15.2.4",
+    "next-themes": "^0.4.6",
     "react": "^19.0.0",
-    "react-dom": "^19.0.0"
+    "react-dom": "^19.0.0",
+    "sonner": "^2.0.3",
+    "tailwind-merge": "^3.3.0"
   },
   "devDependencies": {
     "@eslint/eslintrc": "^3",
@@ -26,6 +35,7 @@
     "eslint-config-next": "15.2.4",
     "gh-pages": "^6.3.0",
     "tailwindcss": "^4",
+    "tw-animate-css": "^1.3.0",
     "typescript": "^5"
   }
 }

chat/src/app/globals.css

@@ -1,34 +1,122 @@
 @import "tailwindcss";
+@import "tw-animate-css";
 
-:root {
-  --background: #ffffff;
-  --foreground: #171717;
-}
+@custom-variant dark (&:is(.dark *));
 
 @theme inline {
   --color-background: var(--background);
   --color-foreground: var(--foreground);
   --font-sans: var(--font-geist-sans);
-  --font-mono: var(--font-geist-mono);
+  --font-mono: "Menlo", "DejaVu Sans Mono", "Consolas", "Courier New", monospace;
+  --color-sidebar-ring: var(--sidebar-ring);
+  --color-sidebar-border: var(--sidebar-border);
+  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
+  --color-sidebar-accent: var(--sidebar-accent);
+  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
+  --color-sidebar-primary: var(--sidebar-primary);
+  --color-sidebar-foreground: var(--sidebar-foreground);
+  --color-sidebar: var(--sidebar);
+  --color-chart-5: var(--chart-5);
+  --color-chart-4: var(--chart-4);
+  --color-chart-3: var(--chart-3);
+  --color-chart-2: var(--chart-2);
+  --color-chart-1: var(--chart-1);
+  --color-ring: var(--ring);
+  --color-input: var(--input);
+  --color-border: var(--border);
+  --color-destructive: var(--destructive);
+  --color-accent-foreground: var(--accent-foreground);
+  --color-accent: var(--accent);
+  --color-muted-foreground: var(--muted-foreground);
+  --color-muted: var(--muted);
+  --color-secondary-foreground: var(--secondary-foreground);
+  --color-secondary: var(--secondary);
+  --color-primary-foreground: var(--primary-foreground);
+  --color-primary: var(--primary);
+  --color-popover-foreground: var(--popover-foreground);
+  --color-popover: var(--popover);
+  --color-card-foreground: var(--card-foreground);
+  --color-card: var(--card);
+  --radius-sm: calc(var(--radius) - 4px);
+  --radius-md: calc(var(--radius) - 2px);
+  --radius-lg: var(--radius);
+  --radius-xl: calc(var(--radius) + 4px);
 }
 
-@media (prefers-color-scheme: dark) {
-  :root {
-    --background: #0a0a0a;
-    --foreground: #ededed;
-  }
+:root {
+  --radius: 0.625rem;
+  --background: oklch(1 0 0);
+  --foreground: oklch(0.129 0.042 264.695);
+  --card: oklch(1 0 0);
+  --card-foreground: oklch(0.129 0.042 264.695);
+  --popover: oklch(1 0 0);
+  --popover-foreground: oklch(0.129 0.042 264.695);
+  --primary: oklch(0.208 0.042 265.755);
+  --primary-foreground: oklch(0.984 0.003 247.858);
+  --secondary: oklch(0.968 0.007 247.896);
+  --secondary-foreground: oklch(0.208 0.042 265.755);
+  --muted: oklch(0.968 0.007 247.896);
+  --muted-foreground: oklch(0.554 0.046 257.417);
+  --accent: oklch(0.968 0.007 247.896);
+  --accent-foreground: oklch(0.208 0.042 265.755);
+  --destructive: oklch(0.577 0.245 27.325);
+  --border: oklch(0.929 0.013 255.508);
+  --input: oklch(0.929 0.013 255.508);
+  --ring: oklch(0.704 0.04 256.788);
+  --chart-1: oklch(0.646 0.222 41.116);
+  --chart-2: oklch(0.6 0.118 184.704);
+  --chart-3: oklch(0.398 0.07 227.392);
+  --chart-4: oklch(0.828 0.189 84.429);
+  --chart-5: oklch(0.769 0.188 70.08);
+  --sidebar: oklch(0.984 0.003 247.858);
+  --sidebar-foreground: oklch(0.129 0.042 264.695);
+  --sidebar-primary: oklch(0.208 0.042 265.755);
+  --sidebar-primary-foreground: oklch(0.984 0.003 247.858);
+  --sidebar-accent: oklch(0.968 0.007 247.896);
+  --sidebar-accent-foreground: oklch(0.208 0.042 265.755);
+  --sidebar-border: oklch(0.929 0.013 255.508);
+  --sidebar-ring: oklch(0.704 0.04 256.788);
 }
 
-body {
-  background: var(--background);
-  color: var(--foreground);
-  font-family: Arial, Helvetica, sans-serif;
+.dark {
+  --background: oklch(0.129 0.042 264.695);
+  --foreground: oklch(0.984 0.003 247.858);
+  --card: oklch(0.208 0.042 265.755);
+  --card-foreground: oklch(0.984 0.003 247.858);
+  --popover: oklch(0.208 0.042 265.755);
+  --popover-foreground: oklch(0.984 0.003 247.858);
+  --primary: oklch(0.929 0.013 255.508);
+  --primary-foreground: oklch(0.208 0.042 265.755);
+  --secondary: oklch(0.279 0.041 260.031);
+  --secondary-foreground: oklch(0.984 0.003 247.858);
+  --muted: oklch(0.279 0.041 260.031);
+  --muted-foreground: oklch(0.704 0.04 256.788);
+  --accent: oklch(0.279 0.041 260.031);
+  --accent-foreground: oklch(0.984 0.003 247.858);
+  --destructive: oklch(0.704 0.191 22.216);
+  --border: oklch(1 0 0 / 10%);
+  --input: oklch(1 0 0 / 15%);
+  --ring: oklch(0.551 0.027 264.364);
+  --chart-1: oklch(0.488 0.243 264.376);
+  --chart-2: oklch(0.696 0.17 162.48);
+  --chart-3: oklch(0.769 0.188 70.08);
+  --chart-4: oklch(0.627 0.265 303.9);
+  --chart-5: oklch(0.645 0.246 16.439);
+  --sidebar: oklch(0.208 0.042 265.755);
+  --sidebar-foreground: oklch(0.984 0.003 247.858);
+  --sidebar-primary: oklch(0.488 0.243 264.376);
+  --sidebar-primary-foreground: oklch(0.984 0.003 247.858);
+  --sidebar-accent: oklch(0.279 0.041 260.031);
+  --sidebar-accent-foreground: oklch(0.984 0.003 247.858);
+  --sidebar-border: oklch(1 0 0 / 10%);
+  --sidebar-ring: oklch(0.551 0.027 264.364);
 }
 
-/* Ensure the monospace font is loaded with proper spacing for terminal output */
-.font-mono {
-  font-family: 'Menlo', 'DejaVu Sans Mono', 'Consolas', 'Courier New', monospace;
-  font-size: 0.9rem;
-  letter-spacing: 0;
-  line-height: 1.2;
+@layer base {
+  * {
+    @apply border-border outline-ring/50;
+  }
+  body {
+    @apply bg-background text-foreground;
+  }
 }

chat/src/app/layout.tsx

@@ -1,17 +1,14 @@
 import type { Metadata } from "next";
-import { Geist, Geist_Mono } from "next/font/google";
+import { Geist } from "next/font/google";
 import "./globals.css";
+import { Toaster } from "@/components/ui/sonner";
+import { ThemeProvider } from "@/components/theme-provider";
 
 const geistSans = Geist({
   variable: "--font-geist-sans",
   subsets: ["latin"],
 });
 
-const geistMono = Geist_Mono({
-  variable: "--font-geist-mono",
-  subsets: ["latin"],
-});
-
 export const metadata: Metadata = {
   title: "AgentAPI Chat",
   description: "A ChatGPT-like interface for AgentAPI",
@@ -23,12 +20,18 @@ export default function RootLayout({
   children: React.ReactNode;
 }>) {
   return (
-    <html lang="en">
-      <body
-        className={`${geistSans.variable} ${geistMono.variable} antialiased`}
-      >
-        {children}
+    <html lang="en" suppressHydrationWarning>
+      <body className={`${geistSans.variable} antialiased`}>
+        <ThemeProvider
+          attribute="class"
+          defaultTheme="system"
+          enableSystem
+          disableTransitionOnChange
+        >
+          {children}
+          <Toaster richColors />
+        </ThemeProvider>
       </body>
     </html>
   );
-}
+}

chat/src/app/page.tsx

@@ -1,16 +1,14 @@
-import { Suspense } from 'react';
-import ChatInterface from '@/components/ChatInterface';
+import { Suspense } from "react";
+import ChatInterface from "@/components/ChatInterface";
 
 export default function Home() {
   return (
-    <main className="flex min-h-screen flex-col items-center justify-between p-4 md:p-12">
-      <div className="w-full max-w-5xl">
-        <h1 className="text-3xl font-bold mb-6 text-center">AgentAPI Chat</h1>
-        {/* Use Suspense boundary for useSearchParams in ChatInterface */}
-        <Suspense fallback={<div className="text-center p-4">Loading chat interface...</div>}>
-          <ChatInterface />
-        </Suspense>
-      </div>
-    </main>
+    <Suspense
+      fallback={
+        <div className="text-center p-4">Loading chat interface...</div>
+      }
+    >
+      <ChatInterface />
+    </Suspense>
   );
-}
+}