✨ feat: initial prototype

apps/web/app/login/page.tsx

@@ -0,0 +1,106 @@
+"use client";
+
+import { Loader2 } from "lucide-react";
+import { useRouter } from "next/navigation";
+import { useEffect, useState } from "react";
+import { Button } from "@/components/ui/button";
+import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
+import { Input } from "@/components/ui/input";
+import { Label } from "@/components/ui/label";
+import { signIn, useSession } from "@/lib/auth-client";
+
+export default function LoginPage() {
+  const router = useRouter();
+  const { data: session, isPending } = useSession();
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState("");
+
+  useEffect(() => {
+    if (!isPending && session?.user) {
+      router.replace("/dashboard");
+    }
+  }, [session, isPending, router]);
+
+  const handleSubmit = async (e: React.FormEvent<HTMLFormElement>) => {
+    e.preventDefault();
+    setLoading(true);
+    setError("");
+
+    const formData = new FormData(e.currentTarget);
+    const email = formData.get("email") as string;
+    const password = formData.get("password") as string;
+
+    try {
+      const result = await signIn.email({
+        email,
+        password,
+      });
+
+      if (result.error) {
+        setError(result.error.message || "Invalid email or password");
+      } else {
+        router.push("/dashboard");
+      }
+    } catch (err) {
+      setError("Failed to connect to server");
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  if (isPending) {
+    return (
+      <div className="min-h-screen flex items-center justify-center bg-gradient-to-br from-slate-50 to-slate-100">
+        <Loader2 className="h-8 w-8 animate-spin text-muted-foreground" />
+      </div>
+    );
+  }
+
+  if (session?.user) {
+    return (
+      <div className="min-h-screen flex items-center justify-center bg-gradient-to-br from-slate-50 to-slate-100">
+        <Loader2 className="h-8 w-8 animate-spin text-muted-foreground" />
+      </div>
+    );
+  }
+
+  return (
+    <div className="min-h-screen flex items-center justify-center bg-gradient-to-br from-slate-50 to-slate-100 p-4">
+      <Card className="w-full max-w-md">
+        <CardHeader className="space-y-1">
+          <CardTitle className="text-2xl font-bold text-center">Minikura</CardTitle>
+          <CardDescription className="text-center">Sign in to your account</CardDescription>
+        </CardHeader>
+        <CardContent>
+          <form onSubmit={handleSubmit} className="space-y-4">
+            <div className="space-y-2">
+              <Label htmlFor="email">Email</Label>
+              <Input
+                id="email"
+                name="email"
+                type="email"
+                placeholder="admin@example.com"
+                required
+                autoFocus
+              />
+            </div>
+            <div className="space-y-2">
+              <Label htmlFor="password">Password</Label>
+              <Input
+                id="password"
+                name="password"
+                type="password"
+                placeholder="••••••••"
+                required
+              />
+            </div>
+            {error && <div className="text-sm text-red-600 text-center">{error}</div>}
+            <Button type="submit" className="w-full" disabled={loading}>
+              {loading ? "Signing in..." : "Sign In"}
+            </Button>
+          </form>
+        </CardContent>
+      </Card>
+    </div>
+  );
+}