ui: simplify adaptive sign-in choices

src/components/auth/LoginDialog.tsx

@@ -66,7 +66,7 @@ export const LoginDialog: React.FC<LoginDialogProps> = ({ isOpen, onClose, onLog
   const isAndroid = /Android/i.test(navigator.userAgent);
   // Which login method panel is showing. The three method cards below switch it.
   const [loginTab, setLoginTab] = useState<'amber' | 'bunker' | 'nsec' | 'extension' | 'connect'>(
-    isAndroid ? 'amber' : 'bunker',
+    isAndroid ? 'amber' : 'connect',
   );
 
   // Step 1: open Amber
@@ -360,18 +360,19 @@ export const LoginDialog: React.FC<LoginDialogProps> = ({ isOpen, onClose, onLog
           <Tabs value={loginTab} onValueChange={(v) => setLoginTab(v as typeof loginTab)} className="w-full">
             {/* Method cards — plain-language labels; protocol names move to a
                 tiny hint so newcomers aren't met with "NIP-46" as the main word. */}
-            <div className="mb-3 grid grid-cols-3 gap-2">
+            <div className="mb-3 grid grid-cols-2 gap-2">
               {([
                 { id: 'extension', Icon: Shield, label: t('settingsUi.loginDialog.extensionCard'), hint: 'NIP-07' },
-                { id: isAndroid ? 'amber' : 'bunker', Icon: isAndroid ? Smartphone : Cloud, label: t('settingsUi.loginDialog.signerCard'), hint: isAndroid ? 'NIP-55' : 'NIP-46' },
+                isAndroid
-                { id: 'connect', Icon: QrCode, label: t('settingsUi.loginDialog.signInWithPhone'), hint: 'NIP-46' },
+                  ? { id: 'amber', Icon: Smartphone, label: t('settingsUi.loginDialog.amberCard'), hint: 'NIP-55' }
+                  : { id: 'connect', Icon: QrCode, label: t('settingsUi.loginDialog.pairSignerCard'), hint: 'NIP-46' },
               ] as const).map(({ id, Icon, label, hint }) => {
-                const active = loginTab === id;
+                const active = loginTab === id || (id === 'connect' && loginTab === 'bunker');
                 return (
                   <button
                     key={id}
                     type="button"
-                    onClick={() => setLoginTab(id)}
+                    onClick={() => setLoginTab(id as typeof loginTab)}
                     className={cn(
                       'flex min-h-0 flex-col items-center gap-1 rounded-xl border p-2.5 text-center transition-colors',
                       active
@@ -425,6 +426,13 @@ export const LoginDialog: React.FC<LoginDialogProps> = ({ isOpen, onClose, onLog
                   >
                     {t('settingsUi.loginDialog.noAmberGetIt')}
                   </a>
+                  <button
+                    type="button"
+                    onClick={() => setLoginTab('connect')}
+                    className="text-[11px] text-gray-500 underline underline-offset-2 hover:text-gray-300"
+                  >
+                    {t('settingsUi.loginDialog.useAnotherSigner')}
+                  </button>
                 </div>
               )}
 
@@ -566,6 +574,14 @@ export const LoginDialog: React.FC<LoginDialogProps> = ({ isOpen, onClose, onLog
                     </Button>
                   </div>
                 )}
+
+                <button
+                  type='button'
+                  onClick={() => setLoginTab('bunker')}
+                  className='w-full text-[11px] text-gray-500 underline underline-offset-2 hover:text-gray-300'
+                >
+                  {t('settingsUi.loginDialog.pasteBunker')}
+                </button>
               </div>
             </TabsContent>
 
@@ -581,6 +597,13 @@ export const LoginDialog: React.FC<LoginDialogProps> = ({ isOpen, onClose, onLog
                 <Button className='w-full rounded-full py-2.5 bg-blue-500 hover:bg-blue-600 text-white font-bold uppercase' disabled={isLoading || !bunkerUri.trim()} onClick={handleBunkerLogin}>
                   {isLoading ? <Loader2 className='w-4 h-4 animate-spin mr-2' /> : <Cloud className='w-4 h-4 mr-2' />}{t('settingsUi.loginDialog.connect')}
                 </Button>
+                <button
+                  type='button'
+                  onClick={() => setLoginTab('connect')}
+                  className='w-full text-[11px] text-gray-500 underline underline-offset-2 hover:text-gray-300'
+                >
+                  {t('settingsUi.loginDialog.backToQR')}
+                </button>
                 {/* Instructions collapse: the default state is just input + Connect. */}
                 <details>
                   <summary className='cursor-pointer text-[11px] text-gray-500 hover:text-gray-300'>

src/i18n/en.ts

@@ -4590,6 +4590,11 @@ settingsUi: {
       welcomeSubtitle: 'Sign up or log in to continue',
       welcomeSubtitleBrowse: 'Sign up or log in — or keep browsing.',
       extensionCard: 'Browser extension',
+      amberCard: 'Amber',
+      pairSignerCard: 'Pair a signer',
+      useAnotherSigner: 'Use another signer (QR)',
+      pasteBunker: 'Paste a bunker URI instead',
+      backToQR: '← Back to QR pairing',
       signerCard: 'Signer app',
       secretKeyLink: 'Use a secret key instead',
       whereBunker: 'Where do I get a bunker?',
@@ -4632,7 +4637,7 @@ settingsUi: {
       connect: 'Connect',
       back: '← Back',
       signInWithPhone: 'Sign in with your phone',
-      signInWithPhoneDesc: 'Scan with a signer app (Amber, nsec.app). Your key never leaves your phone.',
+      signInWithPhoneDesc: 'Scan with a NIP-46 signer such as nsec.app or Nostrum. On Android, Amber is the one-tap option above.',
       showPairingCode: 'Show pairing code',
       waitingSigner: 'Waiting for your signer…',
       copyLink: 'Copy link',

src/i18n/es.ts

@@ -4590,6 +4590,11 @@ settingsUi: {
       welcomeSubtitle: 'Regístrate o inicia sesión para continuar',
       welcomeSubtitleBrowse: 'Regístrate o inicia sesión, o sigue explorando.',
       extensionCard: 'Extensión del navegador',
+      amberCard: 'Amber',
+      pairSignerCard: 'Emparejar un firmador',
+      useAnotherSigner: 'Usar otro firmador (QR)',
+      pasteBunker: 'Pegar una URI de bunker',
+      backToQR: '← Volver al emparejamiento QR',
       signerCard: 'App firmante',
       secretKeyLink: 'Usar una clave secreta',
       whereBunker: '¿Dónde consigo un bunker?',
@@ -4632,7 +4637,7 @@ settingsUi: {
       connect: 'Conectar',
       back: '← Atrás',
       signInWithPhone: 'Inicia sesión con tu teléfono',
-      signInWithPhoneDesc: 'Escanea con una app firmadora (Amber, nsec.app). Tu clave nunca sale de tu teléfono.',
+      signInWithPhoneDesc: 'Escanea con un firmador NIP-46 como nsec.app o Nostrum. En Android, Amber es la opción de un toque de arriba.',
       showPairingCode: 'Mostrar código de emparejamiento',
       waitingSigner: 'Esperando a tu firmador…',
       copyLink: 'Copiar enlace',