compact Generate Music UI, same layout style as Train tab

app.py

@@ -863,14 +863,15 @@ def gradio_main():
             # Tab 1: Generate Music
             # ============================================================
             with gr.Tab("Generate Music"):
-                gr.Markdown(
-                    "**[ACE-Step 1.5 XL (CPU)](https://github.com/ace-step/ACE-Step-1.5)** "
-                    "GGUF Q4_K_M via "
-                    "[acestep.cpp](https://github.com/ServeurpersoCom/acestep.cpp)"
-                )
-
                 with gr.Row(elem_classes="compact-row"):
-                    with gr.Column(scale=2):
+                    with gr.Column(scale=3):
+                        audio_out = gr.Audio(label="Output", type="filepath")
+                        status = gr.Textbox(
+                            label="Status",
+                            interactive=False,
+                            lines=2,
+                            elem_classes="status-box",
+                        )
                         caption = gr.Textbox(
                             label="Music Description",
                             lines=2,
@@ -882,40 +883,30 @@ def gradio_main():
                             value="[Instrumental]",
                             placeholder="Enter lyrics or [Instrumental] for no vocals",
                         )
-                    with gr.Column(scale=1):
-                        audio_out = gr.Audio(label="Output", type="filepath")
-                        status = gr.Textbox(
-                            label="Status",
-                            interactive=False,
-                            lines=2,
-                            elem_classes="status-box",
+                    with gr.Column(scale=2):
+                        gen_btn = gr.Button("Generate Music", variant="primary")
+                        with gr.Row(elem_classes="compact-row"):
+                            instrumental = gr.Checkbox(label="Instrumental", value=True)
+                            bpm = gr.Number(label="BPM", value=120, minimum=0, maximum=300)
+                        with gr.Row(elem_classes="compact-row"):
+                            duration = gr.Slider(
+                                label="Duration (s)", minimum=10, maximum=120,
+                                value=10, step=5,
+                            )
+                            steps = gr.Slider(
+                                label="Steps", minimum=1, maximum=32,
+                                value=8, step=1,
+                            )
+                        seed = gr.Number(label="Seed (-1=random)", value=-1)
+                        lora_select = gr.Dropdown(
+                            label="LoRA", choices=_list_lora_choices(),
+                            value="None (no LoRA)",
+                            allow_custom_value=True,
+                        )
+                        lm_model_select = gr.Dropdown(
+                            label="LM Model", choices=_lm_model_choices(),
+                            value=DEFAULT_LM,
                         )
-
-                with gr.Row(elem_classes="compact-row"):
-                    instrumental = gr.Checkbox(label="Instrumental", value=True, scale=1)
-                    bpm = gr.Number(label="BPM", value=120, minimum=0, maximum=300, scale=1)
-                    duration = gr.Slider(
-                        label="Duration (s)", minimum=10, maximum=120,
-                        value=10, step=5, scale=1,
-                    )
-                    steps = gr.Slider(
-                        label="Steps", minimum=1, maximum=32,
-                        value=8, step=1, scale=1,
-                    )
-                    seed = gr.Number(label="Seed (-1=random)", value=-1, scale=1)
-
-                with gr.Row(elem_classes="compact-row"):
-                    lora_select = gr.Dropdown(
-                        label="LoRA", choices=_list_lora_choices(),
-                        value="None (no LoRA)", scale=1,
-                        allow_custom_value=True,
-                    )
-                    lm_model_select = gr.Dropdown(
-                        label="LM Model", choices=_lm_model_choices(),
-                        value=DEFAULT_LM, scale=1,
-                    )
-
-                gen_btn = gr.Button("Generate Music", variant="primary")
 
                 gen_btn.click(
                     fn=generate_music,