diff --git a/bullseye/page.py b/bullseye/page.py
index e7661fa..c35fb02 100644
--- a/bullseye/page.py
+++ b/bullseye/page.py
@@ -33,6 +33,7 @@ body {{ font-family: 'Courier New', Courier, monospace; color: #c8ffc8; margin:
 #status {{ background: rgba(0, 20, 0, var(--box-alpha)); border: 1px solid #0a4; border-radius: 4px; padding: 8px; margin-bottom: 10px; overflow-x: auto; }}
 #status table, #status td, #status th {{ color: #c8ffc8; }}
 a {{ color: #7fffa0; }}
+.grind-trace {{ color: #6a6a7a; font-style: italic; display: block; opacity: 0.85; }}
 input {{ background: rgba(0, 0, 0, 0.6); color: #c8ffc8; border: 1px solid #0a3; padding: 4px; }}
 input::placeholder {{ color: #6a9; }}
 select {{ background: rgba(0, 0, 0, 0.6); color: #c8ffc8; border: 1px solid #0a3; padding: 3px; }}
diff --git a/bullseye/render.py b/bullseye/render.py
index 0676a6a..1f935aa 100644
--- a/bullseye/render.py
+++ b/bullseye/render.py
@@ -75,6 +75,9 @@ def md_to_html(text):
         return fenced_parts[idx] if idx < len(fenced_parts) else match.group(0)
     escaped = re.sub(r'\x00FENCED(\d+)\x00', restore_fenced, escaped)
     
+    # THINKING REVEAL: dim the grinder's live progress/reasoning trace lines
+    escaped = re.sub(r'(?m)^(\[(?:iter |EMPTY REPLY|reasoning |regression |stall ).*)$',
+                     r'<span class="grind-trace">\1</span>', escaped)
     return escaped