'Log in', 'challenge.input.username' => 'Username', 'challenge.input.password' => 'Password', 'challenge.input.otp' => 'One-time passcode', 'challenge.message.wrong-password' => 'Incorrect username or password', 'challenge.message.wrong-otp' => 'Invalid OTP code', 'challenge.continue' => 'Continue', ][$key] ?? $key; }