Surface engraving API errors instead of silent fallback

app.py

@@ -55,8 +55,9 @@ def stylize(img, style, hex_color):
                     model="timbrooks/instruct-pix2pix",
                 )
                 return result.convert("RGB")
-            except Exception:
-                pass
+            except Exception as e:
+                print(f"[engraving] HF API error: {e}")
+                raise gr.Error(f"Engraving failed: {e}")
         # fallback: high-contrast sharpened grayscale
         return ImageOps.autocontrast(ImageEnhance.Sharpness(img.convert("L")).enhance(3.0), cutoff=2).convert("RGB")
 
@@ -288,6 +289,7 @@ CSS = """
 body, .gradio-container, .main { background: #F7F0E6 !important; }
 footer { display: none !important; }
 .gradio-container { max-width: 1080px !important; margin: 0 auto !important; padding: 0 !important; }
+#controls-col { padding-top: 36px !important; overflow: visible !important; }
 
 /* ─── Blocks / panels ─── */
 .block, .form {
@@ -321,7 +323,6 @@ footer { display: none !important; }
     border: 2px dashed #C4B49A !important;
     border-radius: 12px !important;
     width: 100% !important;
-    height: 100% !important;
     box-sizing: border-box !important;
     position: relative !important;
     left: auto !important;
@@ -578,7 +579,7 @@ SECTION_DIVIDER = """
 """
 
 CONTROLS_HEADER = """
-<div style="font-family:'Space Mono',monospace;font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;color:#3D2E1E;margin-bottom:20px;margin-top:28px;">
+<div style="font-family:'Space Mono',monospace;font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;color:#3D2E1E;margin-bottom:20px;">
   ── studio controls ──
 </div>
 """
@@ -598,7 +599,7 @@ with gr.Blocks(title="stamp maker ✦") as demo:
     with gr.Row(equal_height=False):
 
         # ── Controls ──
-        with gr.Column(scale=5, min_width=300):
+        with gr.Column(scale=5, min_width=300, elem_id="controls-col"):
             gr.HTML(CONTROLS_HEADER)
             img_in = gr.Image(
                 label="photo",