feat: increase textbox height to 6 lines and remove input placeholder

app.py

@@ -102,8 +102,7 @@ def _build_demo() -> gr.Blocks:
                     interactive=False,
                 )
                 input_text = gr.Textbox(
-                    placeholder="Enter English text here",
-                    lines=4,
+                    lines=6,
                     show_label=False,
                 )
                 char_count = gr.Markdown("0 characters")
@@ -116,7 +115,7 @@ def _build_demo() -> gr.Blocks:
                 )
                 output_text = gr.Textbox(
                     placeholder="Translation",
-                    lines=4,
+                    lines=6,
                     show_label=False,
                     interactive=False,
                     buttons=["copy"],

tests/test_app.py

@@ -180,6 +180,27 @@ def test_dropdown_choices_include_locale_codes(demo):
     assert all("(" in label and ")" in label for label in labels), f"Expected locale codes in choices: {labels}"
 
 
+def test_input_textbox_height(demo):
+    """Input textbox should use lines=6."""
+    textboxes = [b for b in demo.blocks.values() if type(b).__name__ == "Textbox"]
+    interactive = [t for t in textboxes if t.interactive is not False]
+    assert interactive[0].lines == 6, f"Expected lines=6, got {interactive[0].lines}"
+
+
+def test_output_textbox_height(demo):
+    """Output textbox should use lines=6."""
+    textboxes = [b for b in demo.blocks.values() if type(b).__name__ == "Textbox"]
+    non_interactive = [t for t in textboxes if t.interactive is False]
+    assert non_interactive[0].lines == 6, f"Expected lines=6, got {non_interactive[0].lines}"
+
+
+def test_input_textbox_has_no_placeholder(demo):
+    """Input textbox should have no placeholder text."""
+    textboxes = [b for b in demo.blocks.values() if type(b).__name__ == "Textbox"]
+    interactive = [t for t in textboxes if t.interactive is not False]
+    assert interactive[0].placeholder is None, f"Expected no placeholder, got {interactive[0].placeholder!r}"
+
+
 # --- Slow tests (require CUDA + model download) ---
 
 gpu_available = torch.cuda.is_available()