diff --git a/llm_providers.py b/llm_providers.py
index 8dc957b..c271dd0 100644
--- a/llm_providers.py
+++ b/llm_providers.py
@@ -190,6 +190,12 @@ async def _call_gemini_async(model: str, prompt: str, system_prompt: str = None)
     
     payload = {
         "contents": contents,
+        "safetySettings": [
+            {"category": "HARM_CATEGORY_HARASSMENT", "threshold": "BLOCK_NONE"},
+            {"category": "HARM_CATEGORY_HATE_SPEECH", "threshold": "BLOCK_NONE"},
+            {"category": "HARM_CATEGORY_SEXUALLY_EXPLICIT", "threshold": "BLOCK_NONE"},
+            {"category": "HARM_CATEGORY_DANGEROUS_CONTENT", "threshold": "BLOCK_NONE"}
+        ],
         "generationConfig": {
             "temperature": 0.7,
             "maxOutputTokens": 4096
@@ -200,7 +206,14 @@ async def _call_gemini_async(model: str, prompt: str, system_prompt: str = None)
         async with httpx.AsyncClient() as client:
             res = await client.post(url, json=payload, timeout=60)
             if res.status_code == 200:
-                return res.json()["candidates"][0]["content"]["parts"][0]["text"]
+                data = res.json()
+                try:
+                    candidate = data["candidates"][0]
+                    return candidate["content"]["parts"][0]["text"]
+                except KeyError:
+                    # Model might have blocked it due to safety or empty response
+                    finish_reason = data.get("candidates", [{}])[0].get("finishReason", "Unknown")
+                    return f"Erro Gemini (Parsing): Resposta sem formato esperado. Motivo/FinishReason: {finish_reason}. Raw: {json.dumps(data)}"
             return f"Erro Gemini: {res.status_code} - {res.text}"
     except Exception as e:
         return f"Erro Gemini: {str(e)}"