switched to NKJV, improved grading, improved styling

src/routes/+page.svelte

@@ -125,7 +125,7 @@
 
   $effect(() => {
     if (!browser) return;
-    isDev = window.location.host === "192.168.0.42:5174";
+    isDev = window.location.host === "localhost:5173";
   });
 
   // Load saved guesses
@@ -335,6 +335,21 @@
         }
       });
   }
+
+  function clearLocalStorage() {
+    if (!browser) return;
+    // Clear all bibdle-related localStorage items
+    const keysToRemove: string[] = [];
+    for (let i = 0; i < localStorage.length; i++) {
+      const key = localStorage.key(i);
+      if (key && key.startsWith("bibdle-")) {
+        keysToRemove.push(key);
+      }
+    }
+    keysToRemove.forEach((key) => localStorage.removeItem(key));
+    // Reload the page to reset state
+    window.location.reload();
+  }
 </script>
 
 <svelte:head>
@@ -376,5 +391,13 @@
     {#if isWon}
       <Feedback />
     {/if}
+    {#if isDev}
+      <button
+        onclick={clearLocalStorage}
+        class="mt-4 px-4 py-2 bg-red-500 hover:bg-red-600 text-white rounded-lg text-sm font-bold transition-colors"
+      >
+        Clear LocalStorage
+      </button>
+    {/if}
   </div>
 </div>