🔙 Add "Back Home" button and improve layout styling in Gamemaster Explorer view

code/websites/pokedex.online/src/views/GamemasterExplorer.vue

@@ -25,6 +25,7 @@
     <div v-else class="explorer-container">
       <!-- Header -->
       <header class="explorer-header">
+        <router-link to="/" class="back-button">← Back Home</router-link>
         <h1>🔍 Gamemaster Explorer</h1>
         <div class="header-controls">
           <button
@@ -709,6 +710,8 @@ onMounted(() => {
   background: var(--bg-primary, #ffffff);
   color: var(--text-primary, #1a1a1a);
   padding: 1rem;
+  max-width: 1600px;
+  margin: 0 auto;
 }
 
 /* Loading & Error States */
@@ -750,11 +753,31 @@ onMounted(() => {
   margin-bottom: 1.5rem;
   padding-bottom: 1rem;
   border-bottom: 2px solid #e0e0e0;
+  gap: 1rem;
 }
 
 .explorer-header h1 {
   margin: 0;
   font-size: 1.75rem;
+  flex: 1;
+}
+
+.back-button {
+  padding: 0.5rem 1rem;
+  border-radius: 8px;
+  background: #f5f5f5;
+  border: 1px solid #ccc;
+  text-decoration: none;
+  color: #1a1a1a;
+  cursor: pointer;
+  font-size: 0.9rem;
+  white-space: nowrap;
+  transition: all 0.2s ease;
+}
+
+.back-button:hover {
+  background: #e0e0e0;
+  border-color: #999;
 }
 
 .header-controls {