diff --git a/backend/.env.example b/backend/.env.example
index abb66e4..e7c0ba1 100644
--- a/backend/.env.example
+++ b/backend/.env.example
@@ -39,10 +39,13 @@ PDF_DPI=100
 MAX_PAGES=60
 MAX_DIMENSION=2400
 LLM_TIMEOUT=180
-EXTRACT_MAX_TOKENS=32768
+EXTRACT_MAX_TOKENS=65536
 # Reasoning effort for per-sheet extraction (low keeps Gemini thinking tokens
 # from eating the output budget). Blank = don't send the parameter.
 EXTRACT_REASONING_EFFORT=low
+# Hard thinking-token budget for extraction (OpenRouter reasoning max_tokens /
+# Gemini thinking_budget). Stronger than effort; 0 = fall back to effort only.
+EXTRACT_REASONING_MAX_TOKENS=2048
 REASON_MAX_TOKENS=4096
 EXTRACT_CONCURRENCY=4
 REASON_CONCURRENCY=4