feat(login): Roundtable wordmark above tagline

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

fabledscryer/templates/auth/login.html

@@ -3,8 +3,9 @@
 {% block content %}
 <div style="max-width:400px;margin:4rem auto;">
     <div class="card">
-        <h2 class="page-title">Sign In</h2>
-        <p style="color: var(--text-dim); font-family: var(--font-serif); font-style: italic; font-size: 0.95rem; margin-top: 0.25rem;">Under Watch, Under Care.</p>
+        <h1 style="font-family: var(--font-serif); font-weight: 700; font-size: 2rem; color: var(--gold); text-align: center; margin-bottom: 0.1rem; letter-spacing: 0.02em;">Roundtable</h1>
+        <p style="color: var(--text-dim); font-family: var(--font-serif); font-style: italic; font-size: 0.95rem; text-align: center; margin-bottom: 1.5rem;">Under Watch, Under Care.</p>
+        <h2 class="page-title" style="font-size: 1rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 1rem;">Sign In</h2>
         {% if error %}
         <div style="color:var(--red);font-size:0.88rem;margin-bottom:1rem;
                     background:var(--red-dim);padding:0.6rem 0.75rem;border-radius:4px;">