Keep event log toggle in place

frontend/src/components/ScenePhase.svelte

@@ -7,7 +7,7 @@
 
     export let state;
 
-    // The inline Event Log can be collapsed to a corner button to declutter.
+    // The inline Event Log can be toggled from a fixed corner button to declutter.
     let logOpen = true;
 
     $: hand = state.player.hand_cards ? JSON.parse(state.player.hand_cards) : [];
@@ -70,8 +70,10 @@
     {/if}
 </div>
 
-{#if !logOpen}
-    <button class="log-reopen-btn" title="Show the event log" on:click={() => (logOpen = true)}>
-        📜 Event Log
-    </button>
-{/if}
+<button
+    class="log-reopen-btn"
+    title={logOpen ? 'Hide the event log' : 'Show the event log'}
+    on:click={() => (logOpen = !logOpen)}
+>
+    {logOpen ? '✕ Close Log' : '📜 Event Log'}
+</button>