feat: HQ redesign

adminsite/app/accept-invite/page.tsx

@@ -1,12 +1,12 @@
 "use client";
 
 import { useMutation } from "@tanstack/react-query";
-import Link from "next/link";
 import { useSearchParams } from "next/navigation";
 import { Suspense, useState } from "react";
 import { ApiError, api } from "@/lib/api";
 import { Button } from "@/components/Button";
 import { Field } from "@/components/Field";
+import { AuthMessage, AuthShell } from "@/components/AuthShell";
 
 function AcceptForm() {
     const token = useSearchParams().get("token") ?? "";
@@ -17,60 +17,65 @@ function AcceptForm() {
     const accept = useMutation({
         mutationFn: () => api.acceptInvite(token, password),
         onSuccess: () => setDone(true),
-        onError: (e) =>
-            setError(e instanceof ApiError ? e.message : "Something went wrong. Try again."),
+        onError: (e) => setError(e instanceof ApiError ? e.message : "Something went wrong. Try again."),
     });
 
-    if (!token) return <p className="text-ink-2">That link is missing its token.</p>;
+    if (!token)
+        return (
+            <AuthMessage
+                title="That link is incomplete"
+                body="It is missing its token. Use the link in the invitation exactly as sent — some mail clients cut long links in half."
+                action={{ href: "/login", label: "Go to sign in" }}
+            />
+        );
+
     if (done)
         return (
-            <div className="grid gap-3">
-                <h1 className="text-3xl">You&apos;re in</h1>
-                <p className="text-ink-2">Sign in with your email address and new password.</p>
-                <Link href="/login" className="font-semibold text-accent underline">
-                    Sign in
-                </Link>
-            </div>
+            <AuthMessage
+                title="You're in"
+                body="Sign in with your email address and the password you just set."
+                action={{ href: "/login", label: "Sign in" }}
+            />
         );
 
     return (
-        <form
-            className="grid max-w-md gap-4"
-            onSubmit={(e) => {
-                e.preventDefault();
-                setError(null);
-                accept.mutate();
-            }}
+        <AuthShell
+            title="Choose a password"
+            lede="You have been invited to a Vantage HQ account."
+            footnote="Nobody who invited you can see this password, and it is never sent to them."
         >
-            <h1 className="text-3xl">Choose a password</h1>
-            <p className="text-ink-2">
-                This password signs you into Vantage HQ and into every instance you are given
-                access to. Nobody who invited you can see it.
-            </p>
-            <Field
-                label="New password"
-                type="password"
-                autoComplete="new-password"
-                value={password}
-                onChange={(e) => setPassword(e.target.value)}
-                required
-                minLength={12}
-                hint="At least 12 characters."
-                error={error ?? undefined}
-            />
-            <Button type="submit" disabled={accept.isPending || password.length < 12}>
-                {accept.isPending ? "Setting…" : "Set password"}
-            </Button>
-        </form>
+            <form
+                className="grid gap-4"
+                onSubmit={(e) => {
+                    e.preventDefault();
+                    setError(null);
+                    accept.mutate();
+                }}
+            >
+                <p className="text-[0.86rem] text-ink-2">This password signs you into Vantage HQ and into every instance you are given access to.</p>
+                <Field
+                    label="New password"
+                    type="password"
+                    autoComplete="new-password"
+                    value={password}
+                    onChange={(e) => setPassword(e.target.value)}
+                    required
+                    minLength={12}
+                    hint="At least 12 characters."
+                    error={error ?? undefined}
+                />
+                <Button type="submit" disabled={accept.isPending || password.length < 12} className="w-full justify-center">
+                    {accept.isPending ? "Setting…" : "Set password and continue"}
+                </Button>
+            </form>
+        </AuthShell>
     );
 }
 
 export default function AcceptInvitePage() {
     return (
-        <main className="mx-auto max-w-rail px-5 py-16">
-            <Suspense fallback={<p className="text-ink-3">Loading…</p>}>
-                <AcceptForm />
-            </Suspense>
-        </main>
+        <Suspense fallback={<AuthShell title="Choose a password" lede="One moment." />}>
+            <AcceptForm />
+        </Suspense>
     );
 }