From 5ccc6f26724d3f23afce262c1bdb5f01badd6814 Mon Sep 17 00:00:00 2001
From: "theis.gaedigk" <theis.gaedigk@icloud.com>
Date: Wed, 13 Aug 2025 17:07:59 +0200
Subject: [PATCH] feat: implement chat interface and registration modal

---
 frontend/index.html                  |  4 +-
 frontend/src/App.tsx                 |  3 +-
 frontend/src/components/Header.tsx   | 37 +++++++++++--
 frontend/src/components/MainChat.tsx | 79 ++++++++++++++++++++++++++++
 frontend/src/components/Register.tsx | 50 ++++++++++++++++++
 frontend/src/components/Sidebar.tsx  | 41 +++++++++++++--
 frontend/src/layout/Layout.tsx       | 19 ++++---
 7 files changed, 212 insertions(+), 21 deletions(-)
 create mode 100644 frontend/src/components/MainChat.tsx
 create mode 100644 frontend/src/components/Register.tsx
diff --git a/frontend/index.html b/frontend/index.html
index e4b78ea..ac309de 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -1,4 +1,4 @@
-<!doctype html>
+<!DOCTYPE html>
 <html lang="en">
   <head>
     <meta charset="UTF-8" />
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Vite + React + TS</title>
   </head>
-  <body>
+  <body class="dark bg-neutral-950 text-neutral-100 antialiased">
     <div id="root"></div>
     <script type="module" src="/src/main.tsx"></script>
   </body>
diff --git a/frontend/src/App.tsx b/frontend/src/App.tsx
index 988d907..63bbe54 100644
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -1,10 +1,11 @@
 import "./App.css";
 import Layout from "./layout/Layout";
+import MainChat from "./components/MainChat";
 
 function App() {
   return (
     <Layout>
-      <h1>Hello World</h1>
+      <MainChat />
     </Layout>
   );
 }
diff --git a/frontend/src/components/Header.tsx b/frontend/src/components/Header.tsx
index 6620e1b..df70eba 100644
--- a/frontend/src/components/Header.tsx
+++ b/frontend/src/components/Header.tsx
@@ -1,12 +1,39 @@
 import React from "react";
+import { LifeBuoy, RectangleEllipsis } from "lucide-react";
+import Register from "./Register";
+import { useState } from "react";
 
 const Header: React.FC = () => {
+  const [isRegisterOpen, setIsRegisterOpen] = useState(false);
+
   return (
-    <>
-      <header>
-        <h1>Header</h1>
-      </header>
-    </>
+    <header className="sticky top-0 z-50 flex w-full items-center justify-between gap-4 border-b border-neutral-800 bg-neutral-900/70 px-4 py-3 backdrop-blur supports-[backdrop-filter]:bg-neutral-900/50 md:px-6">
+      <div className="flex items-center gap-2">
+        <div className="h-8 w-8 rounded-md bg-gradient-to-br from-indigo-500 via-violet-500 to-fuchsia-500 shadow ring-1 ring-white/10" />
+        <h1 className="text-lg font-semibold tracking-tight md:text-xl">
+          Versario
+        </h1>
+      </div>
+      <nav className="flex items-center gap-2">
+        <button
+          onClick={() => setIsRegisterOpen(true)}
+          className="inline-flex items-center gap-2 rounded-md border border-neutral-700/80 bg-neutral-800/60 px-3 py-2 text-xs font-medium text-neutral-200 shadow-sm transition hover:border-neutral-600 hover:bg-neutral-700/70 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-indigo-500 focus-visible:ring-offset-2 focus-visible:ring-offset-neutral-900 md:text-sm"
+          aria-label="Register"
+        >
+          <RectangleEllipsis className="h-4 w-4" />
+          <span className="hidden sm:inline">Register</span>
+        </button>
+        <button
+          className="inline-flex items-center gap-2 rounded-md bg-gradient-to-tr from-indigo-600 to-fuchsia-600 px-3 py-2 text-xs font-semibold text-white shadow-sm ring-1 ring-inset ring-white/10 transition hover:from-indigo-500 hover:to-fuchsia-500 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-indigo-400 focus-visible:ring-offset-2 focus-visible:ring-offset-neutral-900 md:text-sm"
+          aria-label="Help"
+        >
+          <LifeBuoy className="h-4 w-4" />
+          <span className="hidden sm:inline">Help</span>
+        </button>
+      </nav>
+
+      {isRegisterOpen && <Register />}
+    </header>
   );
 };
 
diff --git a/frontend/src/components/MainChat.tsx b/frontend/src/components/MainChat.tsx
new file mode 100644
index 0000000..b7ae7ca
--- /dev/null
+++ b/frontend/src/components/MainChat.tsx
@@ -0,0 +1,79 @@
+import React from "react";
+
+const sampleMessages = [
+  { id: 1, role: "assistant", text: "Hello! How can I help you today?" },
+  {
+    id: 2,
+    role: "user",
+    text: "Give me a summary of Tailwind's new features.",
+  },
+  {
+    id: 3,
+    role: "assistant",
+    text: "Tailwind 4 introduces a revamped config, faster engine, and cleaner layer imports.",
+  },
+  { id: 4, role: "user", text: "Great, thanks!" },
+];
+
+const MainChat: React.FC = () => {
+  return (
+    <section className="flex h-full flex-1 flex-col">
+      <div className="flex items-center gap-2 border-b border-neutral-800/80 bg-neutral-900/40 px-4 py-3 backdrop-blur supports-[backdrop-filter]:bg-neutral-900/30 md:px-6">
+        <h2 className="text-base font-semibold tracking-tight md:text-lg">
+          <form>
+            <input type="text" placeholder="Search personality..." />
+            <button type="submit">Search</button>
+          </form>
+        </h2>
+      </div>
+      <div className="flex flex-1 flex-col overflow-hidden">
+        <div className="flex-1 space-y-4 overflow-y-auto px-4 py-6 md:px-8 lg:px-10 scrollbar-thin scrollbar-track-transparent scrollbar-thumb-neutral-800/80 hover:scrollbar-thumb-neutral-700">
+          {sampleMessages.map((msg) => {
+            const isUser = msg.role === "user";
+            return (
+              <div
+                key={msg.id}
+                className={`flex ${isUser ? "justify-end" : "justify-start"}`}
+              >
+                <div
+                  className={
+                    "max-w-[78%] rounded-2xl px-4 py-2 text-sm leading-relaxed shadow-md ring-1 ring-inset " +
+                    (isUser
+                      ? "bg-gradient-to-tr from-indigo-600 to-fuchsia-600 text-white ring-white/10"
+                      : "bg-neutral-800/70 text-neutral-100 ring-neutral-700/70")
+                  }
+                >
+                  {msg.text}
+                </div>
+              </div>
+            );
+          })}
+        </div>
+        <div className="border-t border-neutral-800/80 bg-neutral-900/40 p-4 backdrop-blur supports-[backdrop-filter]:bg-neutral-900/30 md:p-6">
+          <form
+            onSubmit={(e) => {
+              e.preventDefault();
+            }}
+            className="group relative mx-auto flex max-w-3xl items-end gap-2"
+          >
+            <textarea
+              rows={1}
+              placeholder="Type your message..."
+              className="peer max-h-48 w-full resize-none rounded-xl border border-neutral-700/70 bg-neutral-800/60 p-3 pr-24 text-sm text-neutral-100 placeholder:text-neutral-500 shadow-inner shadow-black/10 outline-none transition focus:border-neutral-500 focus:bg-neutral-800 focus:ring-2 focus:ring-indigo-500/40"
+            />
+            <div className="absolute bottom-3 right-3 flex items-center gap-2">
+              <button
+                type="submit"
+                className="inline-flex items-center rounded-md bg-gradient-to-tr from-indigo-600 to-fuchsia-600 px-4 py-2 text-xs font-semibold text-white shadow-sm ring-1 ring-inset ring-white/10 transition hover:from-indigo-500 hover:to-fuchsia-500 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-indigo-400 focus-visible:ring-offset-2 focus-visible:ring-offset-neutral-900 md:text-sm"
+              >
+                Send
+              </button>
+            </div>
+          </form>
+        </div>
+      </div>
+    </section>
+  );
+};
+
+export default MainChat;
diff --git a/frontend/src/components/Register.tsx b/frontend/src/components/Register.tsx
new file mode 100644
index 0000000..9db13e6
--- /dev/null
+++ b/frontend/src/components/Register.tsx
@@ -0,0 +1,50 @@
+import React from "react";
+
+const Register: React.FC = () => {
+  return (
+    <div
+      className="fixed inset-0 z-[80] grid min-h-dvh place-items-center overflow-y-auto bg-neutral-950/70 p-4 backdrop-blur-sm sm:p-6"
+      role="dialog"
+      aria-modal="true"
+      aria-labelledby="register-title"
+    >
+      <div className="relative w-full max-w-md overflow-hidden rounded-2xl border border-neutral-800/70 bg-neutral-900/70 p-6 shadow-2xl backdrop-blur supports-[backdrop-filter]:bg-neutral-900/60">
+        <div className="pointer-events-none absolute inset-0 rounded-2xl ring-1 ring-inset ring-neutral-700/60" />
+        <header className="mb-5 flex flex-col gap-1">
+          <h1
+            id="register-title"
+            className="text-lg font-semibold tracking-tight text-white md:text-xl"
+          >
+            Register
+          </h1>
+        </header>
+        <form className="space-y-4">
+          <div className="space-y-2">
+            <label
+              htmlFor="email"
+              className="block text-xs font-medium uppercase tracking-wider text-neutral-400"
+            >
+              Email
+            </label>
+            <input
+              type="email"
+              id="email"
+              name="email"
+              placeholder="you@example.com"
+              className="w-full rounded-lg border border-neutral-700/70 bg-neutral-800/60 px-3 py-2 text-sm text-neutral-100 placeholder:text-neutral-500 shadow-inner shadow-black/20 outline-none transition focus:border-neutral-500 focus:bg-neutral-800 focus:ring-2 focus:ring-indigo-500/40"
+            />
+          </div>
+          <button
+            type="submit"
+            className="inline-flex w-full items-center justify-center gap-2 rounded-lg bg-gradient-to-tr from-indigo-600 to-fuchsia-600 px-4 py-2 text-sm font-semibold text-white shadow-sm ring-1 ring-inset ring-white/10 transition hover:from-indigo-500 hover:to-fuchsia-500 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-indigo-400 focus-visible:ring-offset-2 focus-visible:ring-offset-neutral-900"
+          >
+            Register
+          </button>
+        </form>
+        <div className="pointer-events-none absolute -bottom-24 right-0 h-48 w-48 translate-x-12 rounded-full bg-gradient-to-tr from-indigo-600/30 via-violet-600/20 to-fuchsia-600/30 blur-3xl" />
+      </div>
+    </div>
+  );
+};
+
+export default Register;
diff --git a/frontend/src/components/Sidebar.tsx b/frontend/src/components/Sidebar.tsx
index 9538340..1c67868 100644
--- a/frontend/src/components/Sidebar.tsx
+++ b/frontend/src/components/Sidebar.tsx
@@ -1,12 +1,43 @@
 import React from "react";
+import { Search } from "lucide-react";
 
 const Sidebar: React.FC = () => {
   return (
-    <>
-      <aside>
-        <h2>Sidebar</h2>
-      </aside>
-    </>
+    <aside className="hidden h-full w-64 shrink-0 flex-col border-r border-neutral-800 bg-neutral-900/40 px-3 py-4 backdrop-blur md:flex">
+      <form
+        onSubmit={(e) => e.preventDefault()}
+        className="relative mb-4 flex items-center"
+        role="search"
+      >
+        <Search className="pointer-events-none absolute left-3 h-4 w-4 text-neutral-500" />
+        <input
+          type="text"
+          name="searchbar"
+          id="searchbar"
+          placeholder="Search recent chats..."
+          className="w-full rounded-md border border-neutral-700/70 bg-neutral-800/60 py-2 pl-9 pr-3 text-sm text-neutral-200 placeholder:text-neutral-500 shadow-inner shadow-black/10 outline-none ring-0 transition focus:border-neutral-500 focus:bg-neutral-800 focus:ring-2 focus:ring-indigo-500/40"
+        />
+      </form>
+      <div className="flex-1 space-y-2 overflow-y-auto pr-1 text-sm scrollbar-thin scrollbar-track-transparent scrollbar-thumb-neutral-700/70 hover:scrollbar-thumb-neutral-600">
+        <p className="text-xs uppercase tracking-wider text-neutral-500">
+          Recent
+        </p>
+        <ul className="space-y-1">
+          {Array.from({ length: 6 }).map((_, i) => (
+            <li key={i}>
+              <button className="group flex w-full items-center justify-between rounded-md border border-transparent bg-neutral-800/30 px-3 py-2 text-left font-medium text-neutral-300 transition hover:border-neutral-700/60 hover:bg-neutral-800/70 hover:text-white">
+                <span className="line-clamp-1 text-xs md:text-sm">
+                  Conversation {i + 1}
+                </span>
+                <span className="ml-2 hidden text-[10px] font-semibold text-indigo-400 group-hover:inline md:text-xs">
+                  Open
+                </span>
+              </button>
+            </li>
+          ))}
+        </ul>
+      </div>
+    </aside>
   );
 };
 
diff --git a/frontend/src/layout/Layout.tsx b/frontend/src/layout/Layout.tsx
index 5d082a1..533e82f 100644
--- a/frontend/src/layout/Layout.tsx
+++ b/frontend/src/layout/Layout.tsx
@@ -9,22 +9,25 @@ type LayoutProps = {
 
 const Layout: React.FC<LayoutProps> = ({ children }) => {
   return (
-    <div>
+    <div className="flex min-h-screen flex-col bg-neutral-950 font-sans text-neutral-100 selection:bg-indigo-600/60 selection:text-white">
       <Header />
-      <Sidebar />
+      <div className="flex flex-1 overflow-hidden">
+        <Sidebar />
+        <main className="flex flex-1 flex-col overflow-hidden">{children}</main>
+      </div>
       <ToastContainer
-        position="top-right"
-        autoClose={5000}
-        hideProgressBar={false}
+        position="bottom-right"
+        autoClose={4000}
         newestOnTop
         closeOnClick
-        rtl={false}
-        pauseOnFocusLoss={false}
         draggable
         pauseOnHover
         theme="dark"
+        className="!w-auto"
+        toastClassName={() =>
+          "relative flex w-full items-start gap-3 rounded-md bg-neutral-800/90 px-4 py-3 text-sm font-medium text-neutral-100 shadow-lg backdrop-blur ring-1 ring-inset ring-neutral-700/70"
+        }
       />
-      <main>{children}</main>
     </div>
   );
 };
