changes to the login and signup, similar to in the saas repo (#6577)

Co-authored-by: Anthony Stirling <[email protected]>

frontend/editor/src/proprietary/routes/Login.tsx

@@ -17,12 +17,11 @@ import { useDocumentMeta } from "@app/hooks/useDocumentMeta";
 import AuthLayout from "@app/routes/authShared/AuthLayout";
 import { useBackendProbe } from "@app/hooks/useBackendProbe";
 import apiClient from "@app/services/apiClient";
-import { BASE_PATH } from "@app/constants/app";
+import { BASE_PATH, withBasePath } from "@app/constants/app";
 import { type OAuthProvider } from "@app/auth/oauthTypes";
 import { updateSupportedLanguages } from "@app/i18n";
 
 // Import login components
-import LoginHeader from "@app/routes/login/LoginHeader";
 import ErrorMessage from "@app/routes/login/ErrorMessage";
 import EmailPasswordForm from "@app/routes/login/EmailPasswordForm";
 import OAuthButtons, {
@@ -74,7 +73,6 @@ export default function Login() {
   const autoLoginErrorRecorded = useRef(false);
   const isUserPassAllowed = loginMethod === "all" || loginMethod === "normal";
   const isSsoOnlyMode = loginMethod !== "all" && loginMethod !== "normal";
-  const isSingleSsoOnly = !isUserPassAllowed && enabledProviders.length === 1;
 
   const AUTO_LOGIN_ATTEMPTS_KEY = "stirling_sso_auto_login_attempts";
   const AUTO_LOGIN_ERRORS_KEY = "stirling_sso_auto_login_errors";
@@ -461,7 +459,6 @@ export default function Login() {
 
   // If backend isn't ready yet, show a lightweight status screen instead of the form
   if (backendProbe.status !== "up" && !loginDisabled) {
-    const backendTitle = t("backendStartup.notFoundTitle", "Backend not found");
     const handleRetry = async () => {
       const result = await backendProbe.probe();
       if (result.status === "up") {
@@ -471,7 +468,18 @@ export default function Login() {
     };
     return (
       <AuthLayout>
-        <LoginHeader title={backendTitle} />
+        <div className="auth-logo-block">
+          <img
+            src={withBasePath("/modern-logo/LoginLightModeHeader.svg")}
+            alt="Stirling PDF"
+            className="auth-logo-header auth-logo-header--light"
+          />
+          <img
+            src={withBasePath("/modern-logo/LoginDarkModeHeader.svg")}
+            alt="Stirling PDF"
+            className="auth-logo-header auth-logo-header--dark"
+          />
+        </div>
         <div
           className="auth-section"
           style={{
@@ -555,10 +563,18 @@ export default function Login() {
 
   return (
     <AuthLayout>
-      <LoginHeader
-        title={isSingleSsoOnly ? "" : t("login.login") || "Sign in"}
-        centerOnly={isSingleSsoOnly}
-      />
+      <div className="auth-logo-block">
+        <img
+          src={withBasePath("/modern-logo/LoginLightModeHeader.svg")}
+          alt="Stirling PDF"
+          className="auth-logo-header auth-logo-header--light"
+        />
+        <img
+          src={withBasePath("/modern-logo/LoginDarkModeHeader.svg")}
+          alt="Stirling PDF"
+          className="auth-logo-header auth-logo-header--dark"
+        />
+      </div>
 
       {/* Success message */}
       {successMessage && (

frontend/editor/src/proprietary/routes/Signup.tsx

@@ -5,10 +5,9 @@ import { useDocumentMeta } from "@app/hooks/useDocumentMeta";
 import { useAuth } from "@app/auth/UseSession";
 import AuthLayout from "@app/routes/authShared/AuthLayout";
 import "@app/routes/authShared/auth.css";
-import { BASE_PATH } from "@app/constants/app";
+import { BASE_PATH, withBasePath } from "@app/constants/app";
 
 // Import signup components
-import LoginHeader from "@app/routes/login/LoginHeader";
 import ErrorMessage from "@app/routes/login/ErrorMessage";
 import DividerWithText from "@app/components/shared/DividerWithText";
 import SignupForm from "@app/routes/signup/SignupForm";
@@ -92,10 +91,18 @@ export default function Signup() {
 
   return (
     <AuthLayout>
-      <LoginHeader
-        title={t("signup.title", "Create an account")}
-        subtitle={t("signup.subtitle", "Join Stirling PDF")}
-      />
+      <div className="auth-logo-block">
+        <img
+          src={withBasePath("/modern-logo/LoginLightModeHeader.svg")}
+          alt="Stirling PDF"
+          className="auth-logo-header auth-logo-header--light"
+        />
+        <img
+          src={withBasePath("/modern-logo/LoginDarkModeHeader.svg")}
+          alt="Stirling PDF"
+          className="auth-logo-header auth-logo-header--dark"
+        />
+      </div>
 
       <ErrorMessage error={error} />
 

frontend/editor/src/proprietary/routes/authShared/auth.css

@@ -615,3 +615,90 @@
   background-color: #af3434 !important;
   opacity: 0.6 !important;
 }
+
+/* ── Logo block ─────────────────────────────────────────────────────── */
+.auth-logo-block {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  margin-bottom: 2rem;
+  margin-top: 0.5rem;
+  animation: authFadeUp 0.4s ease both;
+}
+
+.auth-logo-header {
+  height: 8rem;
+  width: auto;
+}
+
+.auth-logo-header--dark {
+  display: none;
+}
+
+/* ── Page entrance animation ────────────────────────────────────────── */
+@keyframes authFadeUp {
+  from {
+    opacity: 0;
+    transform: translateY(12px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+/* ── Expandable trigger button state ────────────────────────────────── */
+.auth-expandable-trigger {
+  transition:
+    background-color 180ms ease,
+    box-shadow 180ms ease,
+    border-color 180ms ease;
+}
+
+.auth-expandable-trigger--active {
+  border-color: #af3434 !important;
+  box-shadow: 0 0 0 3px rgba(175, 52, 52, 0.12);
+}
+
+/* ── Animated expand/collapse via grid-template-rows ───────────────── */
+.auth-expand-grid {
+  display: grid;
+  grid-template-rows: 0fr;
+  transition:
+    grid-template-rows 280ms cubic-bezier(0.4, 0, 0.2, 1),
+    opacity 220ms ease;
+  opacity: 0;
+}
+
+.auth-expand-grid--open {
+  grid-template-rows: 1fr;
+  opacity: 1;
+}
+
+.auth-expand-inner {
+  overflow: hidden;
+  min-height: 0;
+}
+
+/* ── Icon+label group — keeps icons vertically aligned across buttons ── */
+.oauth-btn-group {
+  display: inline-flex;
+  align-items: center;
+  min-width: 12.5rem;
+}
+
+.oauth-btn-label {
+  flex: 1;
+  text-align: center;
+}
+
+/* ── Icon helpers inside oauth-button-fullwidth ─────────────────────── */
+.auth-at-icon {
+  font-size: 1.25rem;
+  line-height: 1;
+  margin-right: 0.5rem;
+  display: inline-block;
+  width: 1.75rem;
+  text-align: center;
+  flex-shrink: 0;
+}