fix(ui,auth): fix login overlay styles, PWA service worker scope, favicon, and update user config to kopri

app/static/css/style.css

@@ -88,17 +88,23 @@ body {
     display: none !important;
 }
 
-/* Auth Screen */
-.auth-screen {
+/* Auth Screen / Login Overlay */
+.auth-screen,
+.login-overlay {
+    position: fixed;
+    inset: 0;
+    z-index: 10000;
     min-height: 100vh;
     display: flex;
     align-items: center;
     justify-content: center;
     padding: 20px;
-    background: radial-gradient(circle at top, rgba(56, 189, 248, 0.12), transparent 70%);
+    background-color: var(--bg-main);
+    background-image: radial-gradient(circle at top, rgba(56, 189, 248, 0.15), transparent 70%);
 }
 
-.auth-card {
+.auth-card,
+.login-card {
     background-color: var(--bg-surface);
     border: 1px solid var(--border-color);
     border-radius: var(--radius-lg);
@@ -106,31 +112,65 @@ body {
     width: 100%;
     max-width: 420px;
     box-shadow: var(--shadow-lg);
+    animation: fadeInScale 0.2s ease-out;
 }
 
-.auth-header {
+@keyframes fadeInScale {
+    from {
+        opacity: 0;
+        transform: scale(0.96);
+    }
+    to {
+        opacity: 1;
+        transform: scale(1);
+    }
+}
+
+.auth-header,
+.login-header {
     text-align: center;
     margin-bottom: 28px;
 }
 
-.auth-header .app-logo {
+.auth-header .app-logo,
+.login-header .login-logo {
     font-size: 48px;
     margin-bottom: 8px;
+    display: block;
 }
 
-.auth-header h2 {
+.auth-header h2,
+.login-header h1 {
     font-size: 24px;
     font-weight: 700;
     color: var(--text-main);
 }
 
-.auth-header p {
+.auth-header p,
+.login-header p {
     color: var(--text-muted);
     font-size: 14px;
     margin-top: 4px;
 }
 
-.auth-footer {
+.login-form {
+    display: flex;
+    flex-direction: column;
+}
+
+.login-error {
+    background-color: var(--danger-dim);
+    color: var(--danger);
+    border: 1px solid var(--danger);
+    padding: 10px 14px;
+    border-radius: var(--radius-sm);
+    font-size: 13px;
+    margin-bottom: 16px;
+    text-align: center;
+}
+
+.auth-footer,
+.login-footer {
     margin-top: 24px;
     text-align: center;
     font-size: 12px;