optimize layout

app.py

@@ -56,6 +56,7 @@ RUNS_DIR.mkdir(parents=True, exist_ok=True)
 
 TIMEOUT_SECONDS = 1800  # 30 minutes
 RETENTION_HOURS = 1    # auto-clean runs older than N hours
+DEFAULT_RIGHT_LOGO_PATH = ROOT / "posterbuilder" / "latex_proj" / "logos" / "right_logo.png"
 
 # ---------------------
 # Utils
@@ -586,41 +587,61 @@ def run_pipeline(arxiv_url, pdf_file, openai_key, logo_files, meeting_logo_file,
 # =====================
 # Gradio UI
 # =====================
-iface = gr.Interface(
-    fn=run_pipeline,
-    inputs=[
-        gr.Textbox(label="📘 ArXiv URL (choose one)", placeholder="https://arxiv.org/abs/2505.xxxxx"),
-        gr.File(label="📄 Upload PDF (choose one)"),
-        gr.Textbox(label="🔑 OpenAI API Key", placeholder="sk-...", type="password"),
-        gr.File(
+with gr.Blocks(title="🎓 Paper2Poster") as iface:
+    gr.Markdown("# 🎓 Paper2Poster")
+    gr.Markdown("""
+[Paper](https://arxiv.org/abs/2505.21497) | [GitHub](https://github.com/Paper2Poster/Paper2Poster) | [Project Page](https://paper2poster.github.io/)  
+
+**TL;DR:** Upload your paper and get an auto-generated poster.
+Please be patient — each paper takes about 8–10 minutes to process.
+
+This work, developed in collaboration with [TVG@Oxford](https://torrvision.com/index.html) and [UWaterloo](https://uwaterloo.ca/), has been accepted to [NeurIPS 2025 D&B](https://neurips.cc/).
+The framework builds upon [CAMEL-ai](https://github.com/camel-ai/camel).
+""")
+
+    # -------- Input box --------
+    with gr.Accordion("Input", open=True):
+        with gr.Row():
+            arxiv_in = gr.Textbox(label="📘 ArXiv URL (choose one)", placeholder="https://arxiv.org/abs/2505.xxxxx")
+            pdf_in   = gr.File(label="📄 Upload PDF (choose one)")
+
+        key_in = gr.Textbox(label="🔑 OpenAI API Key", placeholder="sk-...", type="password")
+
+        inst_logo_in = gr.File(
             label="🏷️ Institutional Logo (optional, multiple allowed)",
             file_count="multiple",
             file_types=["image"],
-        ),
-        gr.File(label="🧩 Optional: Conference Logo (defaults to NeurIPS logo)", file_count="single", file_types=["image"]),
-        gr.ColorPicker(
-            label="🎨 Theme Color (optional)",
-            value="#5E2E91"   # default purple (94,46,145)
-        ),
-    ],
-    outputs=[
-        gr.Textbox(label="🧾 Logs (8~10 minutes)", lines=30, max_lines=50),
-        gr.File(label="📦 Download Results (.zip)"),
-        gr.HTML(label="Open in Overleaf")
-    ],
-
-    title="🎓 Paper2Poster",
-    description="""
-    [paper](https://arxiv.org/abs/2505.21497) | [GitHub](https://github.com/Paper2Poster/Paper2Poster) | [project page](https://paper2poster.github.io/) 
-
-    Upload a paper, generate a poster for you.  
-    Each paper takes approximately **8–10 minutes**.  
-
-    This work is based on the **[CAMEL-ai](https://camel-ai.org/)** framework.
-    """,
-
-    allow_flagging="never",
-)
+        )
+
+        with gr.Row():
+            with gr.Column():
+                conf_logo_in = gr.File(
+                    label="🧩 Optional: Conference Logo (defaults to NeurIPS logo)",
+                    file_count="single",
+                    file_types=["image"],
+                )
+            with gr.Column():
+                conf_preview = gr.Image(
+                    value=str(DEFAULT_RIGHT_LOGO_PATH) if DEFAULT_RIGHT_LOGO_PATH.exists() else None,
+                    label="Default conference logo preview",
+                    interactive=False,
+                )
+
+        theme_in = gr.ColorPicker(label="🎨 Theme Color (optional)", value="#5E2E91")
+
+        run_btn = gr.Button("🚀 Run", variant="primary")
+
+    # -------- Output box --------
+    with gr.Accordion("Output", open=True):
+        logs_out      = gr.Textbox(label="🧾 Logs (8–10 minutes)", lines=30, max_lines=50)
+        zip_out       = gr.File(label="📦 Download Results (.zip)")
+        overleaf_out  = gr.HTML(label="Open in Overleaf")
+
+    run_btn.click(
+        fn=run_pipeline,
+        inputs=[arxiv_in, pdf_in, key_in, inst_logo_in, conf_logo_in, theme_in],
+        outputs=[logs_out, zip_out, overleaf_out],
+    )
 
 if __name__ == "__main__":
     iface.launch(server_name="0.0.0.0", server_port=7860)