Promote admin join code display

frontend/src/assets/css/admin.css

@@ -23,6 +23,58 @@
     font-size: 0.875rem;
 }
 
+.admin-summary {
+    display: flex;
+    align-items: flex-start;
+    justify-content: space-between;
+    gap: 1.5rem;
+}
+
+.admin-summary-details {
+    min-width: 0;
+}
+
+.admin-join-code {
+    flex: 0 0 auto;
+    min-width: 10.5rem;
+    padding: 0.85rem 1.1rem 0.95rem;
+    background: color-mix(in srgb, var(--accent) 12%, var(--well));
+    border: 2px solid var(--accent);
+    border-radius: var(--radius-md);
+    box-shadow: var(--shadow-soft);
+    text-align: center;
+}
+
+.admin-join-code-label {
+    display: block;
+    margin-bottom: 0.2rem;
+    color: var(--text-muted);
+    font-family: var(--font-heading);
+    font-size: 0.75rem;
+    font-weight: 700;
+    letter-spacing: 0.12em;
+    text-transform: uppercase;
+}
+
+.admin-join-code strong {
+    display: block;
+    color: var(--accent);
+    font-family: ui-monospace, monospace;
+    font-size: 2rem;
+    line-height: 1;
+    letter-spacing: 0.16em;
+}
+
+@media (max-width: 600px) {
+    .admin-summary {
+        flex-direction: column;
+    }
+
+    .admin-join-code {
+        width: 100%;
+    }
+}
+
 .admin-table {
     width: 100%;
     text-align: left;

frontend/src/lib/changelog.js

@@ -6,10 +6,17 @@
 //   - Add a CHANGELOG entry only when a commit changes something players can
 //     see. Skip refactors, tests, and tooling. Keep wording player-facing.
 
-export const VERSION = 19;
+export const VERSION = 20;
 
 // Newest first. Each entry: { version, date: 'YYYY-MM-DD', changes: [string, ...] }.
 export const CHANGELOG = [
+    {
+        version: 20,
+        date: '2026-07-10',
+        changes: [
+            'The Admin Panel now gives the game’s join code a large, easy-to-share display.',
+        ],
+    },
     {
         version: 19,
         date: '2026-07-10',

frontend/src/pages/Admin.svelte

@@ -117,10 +117,17 @@
         </div>
     {:else}
         <div class="card">
+            <div class="admin-summary">
+                <div class="admin-summary-details">
                     <h2 class="mb-4">Game: {data.game.crew_name}</h2>
                     <p><strong>Phase:</strong> {data.game.phase}</p>
-            <p><strong>Join Code:</strong> <span class="admin-key-chip">{data.game.join_code}</span></p>
                     <p><strong>Admin Key:</strong> <span class="admin-key-chip">{data.game.admin_key}</span></p>
+                </div>
+                <div class="admin-join-code" aria-label="Join code {data.game.join_code}">
+                    <span class="admin-join-code-label">Join Code</span>
+                    <strong>{data.game.join_code}</strong>
+                </div>
+            </div>
 
             {#if error}
                 <div class="alert alert-danger mt-4">{error}</div>