diff --git a/assets/styles/app.css b/assets/styles/app.css
index e870a69..52e4de9 100644
--- a/assets/styles/app.css
+++ b/assets/styles/app.css
@@ -487,19 +487,34 @@ body {
     color: #16a34a;
 }
 
+/* ── Game card ── */
+
+.game-container {
+    max-width: fit-content;
+    margin: 56px auto;
+    padding: 24px 32px 32px;
+    background: var(--surface);
+    border: 1px solid var(--border);
+    border-radius: var(--radius-lg);
+    box-shadow: 0 4px 32px var(--shadow-warm);
+}
+
+.game-container #actors {
+    margin: 16px auto 0;
+}
+
 /* ── Game actions ── */
 
 .game-actions {
     display: flex;
-    justify-content: flex-end;
-    padding: 12px 40px 0;
+    justify-content: flex-start;
 }
 
 .btn-abandon {
     padding: 7px 16px;
     background: none;
-    color: var(--text-muted);
-    border: 1.5px solid var(--border);
+    color: #dc2626;
+    border: 1.5px solid #dc2626;
     border-radius: 100px;
     font-family: 'Inter', sans-serif;
     font-size: 13px;
diff --git a/src/EventListener/AbandonAnonymousGameOnLoginListener.php b/src/EventListener/AbandonAnonymousGameOnLoginListener.php
new file mode 100644
index 0000000..267fa92
--- /dev/null
+++ b/src/EventListener/AbandonAnonymousGameOnLoginListener.php
@@ -0,0 +1,39 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\EventListener;
+
+use App\Entity\Game;
+use App\Repository\GameRepository;
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Component\EventDispatcher\Attribute\AsEventListener;
+use Symfony\Component\Security\Http\Event\LoginSuccessEvent;
+
+#[AsEventListener]
+class AbandonAnonymousGameOnLoginListener
+{
+    public function __construct(
+        private readonly GameRepository $gameRepository,
+        private readonly EntityManagerInterface $em,
+    ) {}
+
+    public function __invoke(LoginSuccessEvent $event): void
+    {
+        $session = $event->getRequest()->getSession();
+        $gameId = $session->get('current_game_id');
+
+        if (!$gameId) {
+            return;
+        }
+
+        $game = $this->gameRepository->find($gameId);
+
+        if ($game && $game->getStatus() === Game::STATUS_IN_PROGRESS) {
+            $game->abandon();
+            $this->em->flush();
+        }
+
+        $session->remove('current_game_id');
+    }
+}
diff --git a/templates/homepage/index.html.twig b/templates/homepage/index.html.twig
index 6cb0df7..ee0e2b1 100644
--- a/templates/homepage/index.html.twig
+++ b/templates/homepage/index.html.twig
@@ -2,18 +2,20 @@
 
 {% block body %}
     {% if game %}
-        <div class="game-actions">
-            <form method="post" action="{{ path('app_game_abandon', {id: game.id}) }}">
-                <input type="hidden" name="_token" value="{{ csrf_token('game_abandon') }}">
-                <button type="submit" class="btn btn-abandon">Abandonner</button>
-            </form>
-        </div>
+        <div class="game-container">
+            <div class="game-actions">
+                <form method="post" action="{{ path('app_game_abandon', {id: game.id}) }}">
+                    <input type="hidden" name="_token" value="{{ csrf_token('game_abandon') }}">
+                    <button type="submit" class="btn btn-abandon">Abandonner</button>
+                </form>
+            </div>
 
-        <div {{ react_component('GameGrid', {
-            grid: grid,
-            width: width,
-            middle: middle,
-        }) }}></div>
+            <div {{ react_component('GameGrid', {
+                grid: grid,
+                width: width,
+                middle: middle,
+            }) }}></div>
+        </div>
     {% else %}
         <div class="game-start-container">
             <form method="post" action="{{ path('app_game_start') }}">