feat: add camel logo and random desert-themed subtitles to login page

25 rotating cameleer-themed login subtitles picked randomly on each
page load. Also adds the camel logo SVG next to the app name.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ui/src/auth/LoginPage.module.css

@@ -21,12 +21,20 @@
 }
 
 .logo {
+  display: flex;
+  align-items: center;
+  gap: 10px;
   margin-bottom: 8px;
   font-size: 24px;
   font-weight: 700;
   color: var(--text-primary);
 }
 
+.logoImg {
+  width: 36px;
+  height: 36px;
+}
+
 .subtitle {
   font-size: 13px;
   color: var(--text-muted);

ui/src/auth/LoginPage.tsx

@@ -1,4 +1,4 @@
-import { type FormEvent, useEffect, useState } from 'react';
+import { type FormEvent, useEffect, useMemo, useState } from 'react';
 import { Navigate } from 'react-router';
 import { useAuthStore } from './auth-store';
 import { api } from '../api/client';
@@ -10,8 +10,37 @@ interface OidcInfo {
   authorizationEndpoint: string;
 }
 
+const SUBTITLES = [
+  "Prove you're not a mirage",
+  "Only authorized cameleers beyond this dune",
+  "Halt, traveler — state your business",
+  "The caravan doesn't move without credentials",
+  "No hitchhikers on this caravan",
+  "This oasis requires a password",
+  "Camels remember faces. We use passwords.",
+  "You shall not pass... without logging in",
+  "The desert is vast. Your session has expired.",
+  "Another day, another dune to authenticate",
+  "Papers, please. The caravan master is watching.",
+  "Trust, but verify — ancient cameleer proverb",
+  "Even the Silk Road had checkpoints",
+  "Your camel is parked outside. Now identify yourself.",
+  "One does not simply walk into the dashboard",
+  "The sands shift, but your password shouldn't",
+  "Unauthorized access? In this economy?",
+  "Welcome back, weary traveler",
+  "The dashboard awaits on the other side of this dune",
+  "Keep calm and authenticate",
+  "Who goes there? Friend or rogue exchange?",
+  "Access denied looks the same in every desert",
+  "May your routes be green and your tokens valid",
+  "Forgot your password? That's between you and the dunes.",
+  "No ticket, no caravan",
+];
+
 export function LoginPage() {
   const { isAuthenticated, login, loading, error } = useAuthStore();
+  const subtitle = useMemo(() => SUBTITLES[Math.floor(Math.random() * SUBTITLES.length)], []);
   const [username, setUsername] = useState('');
   const [password, setPassword] = useState('');
   const [oidc, setOidc] = useState<OidcInfo | null>(null);
@@ -54,8 +83,11 @@ export function LoginPage() {
     <div className={styles.page}>
       <Card className={styles.card}>
         <div className={styles.loginForm}>
-          <div className={styles.logo}>cameleer3</div>
-          <p className={styles.subtitle}>Sign in to access the observability dashboard</p>
+          <div className={styles.logo}>
+            <img src="/favicon.svg" alt="" className={styles.logoImg} />
+            cameleer3
+          </div>
+          <p className={styles.subtitle}>{subtitle}</p>
 
           {error && (
             <div className={styles.error}>