sizing interface

app.py

@@ -12,6 +12,27 @@ from stl_slicer import SliceStack, load_mesh, slice_stl_to_tiffs
 ViewerState = dict[str, Any]
 SAMPLE_STL_FILENAMES = ("Hollow_Pyramid.stl", "balanced_die.stl", "halfsphere.stl")
 SAMPLE_STL_DIR = Path(__file__).resolve().parent / "sample_stls"
+APP_CSS = """
+.gradio-container {
+    font-size: 90%;
+    padding-top: 0.5rem !important;
+    padding-bottom: 0.5rem !important;
+}
+
+.gradio-container .gr-row {
+    gap: 0.5rem !important;
+}
+
+.gradio-container .gr-form,
+.gradio-container .gr-box,
+.gradio-container .block {
+    padding: 0.4rem !important;
+}
+
+.gradio-container .prose {
+    margin-bottom: 0.4rem !important;
+}
+"""
 
 
 def _read_slice_preview(path: str) -> Image.Image:
@@ -34,21 +55,6 @@ def _stack_to_state(stack: SliceStack) -> ViewerState:
     }
 
 
-def _format_summary(stack: SliceStack, source_name: str) -> str:
-    (x_min, y_min, z_min), (x_max, y_max, z_max) = stack.bounds
-    return "\n".join(
-        [
-            "### Slice Stack Ready",
-            f"- Source: `{source_name}`",
-            f"- TIFF count: `{len(stack.tiff_paths)}`",
-            f"- Image size: `{stack.image_size[0]} x {stack.image_size[1]}` pixels",
-            f"- Layer height: `{stack.layer_height}`",
-            f"- Pixel size: `{stack.pixel_size}`",
-            f"- Bounds: `x={x_min:.3f}..{x_max:.3f}`, `y={y_min:.3f}..{y_max:.3f}`, `z={z_min:.3f}..{z_max:.3f}`",
-        ]
-    )
-
-
 def _format_model_details(source_name: str, mesh) -> str:
     extents = mesh.extents
     return "\n".join(
@@ -138,7 +144,6 @@ def generate_all_stacks(
     for stl_file in files:
         if not stl_file:
             results.extend([
-                "No file uploaded.",
                 _empty_state(),
                 _reset_slider(),
                 "No slice stack loaded yet.",
@@ -171,7 +176,6 @@ def generate_all_stacks(
             interactive=len(stack.tiff_paths) > 1,
         )
         results.extend([
-            _format_summary(stack, Path(stl_file).name),
             state,
             slider,
             label,
@@ -198,7 +202,7 @@ def shift_slice(state: ViewerState, index: float, delta: int) -> tuple[int, str,
 
 
 def build_demo() -> gr.Blocks:
-    with gr.Blocks(title="STL TIFF Slicer") as demo:
+    with gr.Blocks(title="STL TIFF Slicer", css=APP_CSS) as demo:
         gr.Markdown(
             """
             # STL to TIFF Slicer
@@ -232,7 +236,7 @@ def build_demo() -> gr.Blocks:
                         label=f"3D Viewer {i + 1}",
                         display_mode="solid",
                         clear_color=(0.94, 0.95, 0.97, 1.0),
-                        height=300,
+                        height=270,
                     )
                     model_details = gr.Markdown(f"No model {i + 1} loaded.")
                     stl_files.append(stl_file)
@@ -248,7 +252,6 @@ def build_demo() -> gr.Blocks:
         # --- Per-object slice browsers ---
         states: list[gr.State] = []
         sliders: list[gr.Slider] = []
-        summaries: list[gr.Markdown] = []
         slice_labels: list[gr.Markdown] = []
         slice_previews: list[gr.Image] = []
         download_zips: list[gr.File] = []
@@ -256,13 +259,12 @@ def build_demo() -> gr.Blocks:
         with gr.Row():
             for i in range(3):
                 with gr.Column():
-                    summary = gr.Markdown(f"Upload STL {i + 1} to begin.")
                     slice_label = gr.Markdown("No slice stack loaded yet.")
                     slice_preview = gr.Image(
                         label=f"Slice Preview {i + 1}",
                         type="pil",
                         image_mode="L",
-                        height=360,
+                        height=324,
                     )
                     with gr.Row():
                         prev_button = gr.Button("\u25c4 Prev")
@@ -278,7 +280,6 @@ def build_demo() -> gr.Blocks:
                     download_zip = gr.File(label=f"Download TIFF ZIP {i + 1}")
                     state = gr.State(_empty_state())
 
-                    summaries.append(summary)
                     slice_labels.append(slice_label)
                     slice_previews.append(slice_preview)
                     sliders.append(slice_slider)
@@ -316,7 +317,6 @@ def build_demo() -> gr.Blocks:
         generate_outputs: list = []
         for i in range(3):
             generate_outputs.extend([
-                summaries[i],
                 states[i],
                 sliders[i],
                 slice_labels[i],