feat(auth): update layout and styling for login and registration pages

app/(auth)/login/page.tsx

@@ -3,12 +3,11 @@ import { LoginForm } from "@/components/auth/login-form";
 
 export default function LoginPage() {
   return (
-    <main className="mx-auto flex min-h-screen w-full max-w-md flex-col justify-center px-6 py-16">
+    <main className="auth-shell">
-      <div className="rounded-xl border border-border/80 bg-panel/50 p-6 md:p-7">
+      <div className="w-full p-2 md:p-4">
-        <div className="mb-8 space-y-3">
+        <div className="mb-8 space-y-3 text-center">
           <p className="text-xs uppercase tracking-[0.2em] text-muted">PayMe</p>
-          <h1 className="text-2xl font-semibold">Sign in</h1>
+          <h1 className="text-3xl font-semibold">Sign in</h1>
-          <p className="text-sm text-muted">Use your email and password to manage your public payment profile.</p>
         </div>
         <LoginForm />
         <p className="mt-6 text-sm text-muted">

app/(auth)/register/page.tsx

@@ -3,12 +3,11 @@ import { RegisterForm } from "@/components/auth/register-form";
 
 export default function RegisterPage() {
   return (
-    <main className="mx-auto flex min-h-screen w-full max-w-md flex-col justify-center px-6 py-16">
+    <main className="auth-shell">
-      <div className="rounded-xl border border-border/80 bg-panel/50 p-6 md:p-7">
+      <div className="w-full p-2 md:p-4">
-        <div className="mb-8 space-y-3">
+        <div className="mb-8 space-y-3 text-center">
           <p className="text-xs uppercase tracking-[0.2em] text-muted">PayMe</p>
-          <h1 className="text-2xl font-semibold">Create account</h1>
+          <h1 className="text-3xl font-semibold">Create account</h1>
-          <p className="text-sm text-muted">Start publishing your payment details in a self-hosted profile.</p>
         </div>
         <RegisterForm />
         <p className="mt-6 text-sm text-muted">

app/globals.css

@@ -75,6 +75,17 @@ a {
   padding: 2.5rem 1.75rem 3rem;
 }
 
+.auth-shell {
+  width: 100%;
+  max-width: 40rem;
+  margin: 0 auto;
+  min-height: 100vh;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 2rem 1.25rem;
+}
+
 .terminal-section {
   border-top: 1px solid rgb(var(--color-border) / 0.8);
   padding-top: 2.5rem;
@@ -159,6 +170,10 @@ select.ui-control {
     padding: 3rem 2.25rem 3.5rem;
   }
 
+  .auth-shell {
+    padding: 3rem 2rem;
+  }
+
   .terminal-section {
     padding-top: 3rem;
   }

components/auth/login-form.tsx

@@ -38,7 +38,7 @@ export function LoginForm() {
   }
 
   return (
-    <form className="space-y-4" onSubmit={onSubmit}>
+    <form className="space-y-5" onSubmit={onSubmit}>
       <label className="block space-y-2 text-sm">
         <span className="text-muted">Email</span>
         <Input
@@ -63,9 +63,11 @@ export function LoginForm() {
 
       {error ? <p className="text-sm text-red-300">{error}</p> : null}
 
-      <Button type="submit" variant="primary" className="w-full" disabled={pending}>
+      <div style={{ marginTop: 26 }}>
+        <Button type="submit" variant="primary" className="dashboard-action min-h-11 w-full text-base" disabled={pending}>
           {pending ? "Signing in..." : "Sign in"}
         </Button>
+      </div>
     </form>
   );
 }

components/auth/register-form.tsx

@@ -97,7 +97,7 @@ export function RegisterForm() {
 
       {error ? <p className="text-sm text-red-300">{error}</p> : null}
 
-      <Button type="submit" variant="primary" className="w-full" disabled={pending}>
+      <Button type="submit" variant="primary" className="dashboard-action min-h-11 w-full text-base" disabled={pending}>
         {pending ? "Creating account..." : "Create account"}
       </Button>
     </form>