Login: Untertitel "das minimalistische Kalender Frontend" hinzufügen

frontend/css/app.css

@@ -119,7 +119,8 @@ a { color: var(--primary); text-decoration: none; }
   margin-bottom: 24px;
 }
 .auth-logo .logo-icon { font-size: 32px; }
-.auth-logo h1 { font-size: 24px; font-weight: 600; color: var(--text-1); }
+.auth-logo h1 { font-size: 24px; font-weight: 600; color: var(--text-1); margin: 0; }
+.auth-tagline { font-size: 12px; color: var(--text-3); margin: 2px 0 0; }
 .auth-card h2 { font-size: 18px; margin-bottom: 4px; }
 .auth-sub { color: var(--text-2); margin-bottom: 24px; }
 .impressum-link {

frontend/index.html

@@ -47,7 +47,10 @@
   <div class="auth-card">
     <div class="auth-logo">
       <span class="logo-icon">📅</span>
+      <div>
         <h1>Calendarr</h1>
+        <p class="auth-tagline">das minimalistische Kalender Frontend</p>
+      </div>
     </div>
     <h2>Anmelden</h2>
     <form id="login-form">