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app.py

@@ -504,39 +504,45 @@ AI-assisted screening only · Not a clinical diagnosis · Findings must be integ
 # ── Static HTML sections ───────────────────────────────────────────────────
 
 HEADER = """
-<div style="padding:32px 0 24px;border-bottom:1px solid #252a35;margin-bottom:18px">
-  <div style="display:flex;align-items:baseline;gap:14px;flex-wrap:wrap">
-    <div style="font-size:2.1rem;font-weight:700;color:#f4f4f5;letter-spacing:-0.8px;line-height:1">
-      BrainConnect<span style="color:#ef4444">-ASD</span>
+<div style="padding:28px 0 20px;border-bottom:1px solid #252a35;margin-bottom:16px">
+
+  <div style="display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px">
+    <div>
+      <div style="font-size:2.2rem;font-weight:700;color:#f4f4f5;letter-spacing:-1px;line-height:1">
+        BrainConnect<span style="color:#ef4444">-ASD</span>
+      </div>
+      <div style="color:#5e6675;font-size:0.68rem;letter-spacing:2px;text-transform:uppercase;margin-top:5px">
+        Resting-state fMRI · Site-Invariant Classification
+      </div>
     </div>
-    <div style="color:#5e6675;font-size:0.7rem;letter-spacing:1.8px;text-transform:uppercase">
-      Resting-state fMRI · Site-Invariant Classification
+
+    <!-- Stat pills -->
+    <div style="display:flex;gap:10px;flex-wrap:wrap">
+      <div style="background:#161922;border:1px solid #252a35;border-radius:8px;padding:10px 18px;text-align:center">
+        <div style="font-size:1.35rem;font-weight:700;color:#ef4444;font-variant-numeric:tabular-nums">0.7872</div>
+        <div style="color:#5e6675;font-size:0.62rem;text-transform:uppercase;letter-spacing:1px;margin-top:2px">LOSO AUC</div>
+      </div>
+      <div style="background:#161922;border:1px solid #252a35;border-radius:8px;padding:10px 18px;text-align:center">
+        <div style="font-size:1.35rem;font-weight:700;color:#f4f4f5;font-variant-numeric:tabular-nums">529</div>
+        <div style="color:#5e6675;font-size:0.62rem;text-transform:uppercase;letter-spacing:1px;margin-top:2px">Held-out subjects</div>
+      </div>
+      <div style="background:#161922;border:1px solid #252a35;border-radius:8px;padding:10px 18px;text-align:center">
+        <div style="font-size:1.35rem;font-weight:700;color:#f4f4f5;font-variant-numeric:tabular-nums">17</div>
+        <div style="color:#5e6675;font-size:0.62rem;text-transform:uppercase;letter-spacing:1px;margin-top:2px">Scanner sites</div>
+      </div>
+      <div style="background:#161922;border:1px solid #f59e0b33;border-radius:8px;padding:10px 18px;text-align:center">
+        <div style="font-size:1.35rem;font-weight:700;color:#fb923c">MI300X</div>
+        <div style="color:#5e6675;font-size:0.62rem;text-transform:uppercase;letter-spacing:1px;margin-top:2px">AMD hardware</div>
+      </div>
     </div>
   </div>
-  <div style="color:#cbd5e1;font-size:0.92rem;margin-top:14px;max-width:780px;line-height:1.65">
-    1 in 44 children is diagnosed with ASD — diagnosis takes years and no biomarker exists.
-    We trained a scanner-site-invariant GCN on 1,102 subjects across 17 institutions and validated on
-    <span style="color:#ef4444;font-weight:600">529 subjects from sites the model never saw</span>.
-    Result: <span style="color:#ef4444;font-weight:600">AUC 0.7872</span> — not on held-out splits of the same scanner, but across entirely different hospitals.
-    Fine-tuned <span style="color:#fb923c;font-weight:600">Qwen2.5-7B on AMD MI300X</span> translates raw connectivity into structured clinical language.
-  </div>
-  <div style="display:flex;gap:28px;margin-top:20px;flex-wrap:wrap">
-    <div style="display:flex;align-items:baseline;gap:8px">
-      <span style="font-size:1.4rem;font-weight:700;color:#ef4444;font-variant-numeric:tabular-nums">0.7872</span>
-      <span style="color:#5e6675;font-size:0.68rem;text-transform:uppercase;letter-spacing:1px">LOSO AUC</span>
-    </div>
-    <div style="display:flex;align-items:baseline;gap:8px">
-      <span style="font-size:1.4rem;font-weight:700;color:#f4f4f5;font-variant-numeric:tabular-nums">529</span>
-      <span style="color:#5e6675;font-size:0.68rem;text-transform:uppercase;letter-spacing:1px">Held-out subjects</span>
-    </div>
-    <div style="display:flex;align-items:baseline;gap:8px">
-      <span style="font-size:1.4rem;font-weight:700;color:#f4f4f5;font-variant-numeric:tabular-nums">17</span>
-      <span style="color:#5e6675;font-size:0.68rem;text-transform:uppercase;letter-spacing:1px">Scanner sites</span>
-    </div>
-    <div style="display:flex;align-items:baseline;gap:8px">
-      <span style="font-size:1.4rem;font-weight:700;color:#fb923c">MI300X</span>
-      <span style="color:#5e6675;font-size:0.68rem;text-transform:uppercase;letter-spacing:1px">AMD hardware</span>
-    </div>
+
+  <div style="margin-top:14px;display:flex;gap:8px;flex-wrap:wrap;align-items:center">
+    <span style="background:#2a1215;border:1px solid #ef444433;color:#ef4444;font-size:0.75rem;font-weight:600;padding:4px 10px;border-radius:20px">AUC 0.7872 cross-site</span>
+    <span style="background:#1a1f2e;border:1px solid #457b9d44;color:#93c5fd;font-size:0.75rem;padding:4px 10px;border-radius:20px">4-model LOSO ensemble</span>
+    <span style="background:#1a1f15;border:1px solid #22c55e33;color:#22c55e;font-size:0.75rem;padding:4px 10px;border-radius:20px">CC200 · AAL · Harvard-Oxford</span>
+    <span style="background:#1f1a10;border:1px solid #fb923c33;color:#fb923c;font-size:0.75rem;padding:4px 10px;border-radius:20px">Qwen2.5-7B on AMD MI300X</span>
+    <span style="background:#161922;border:1px solid #252a35;color:#8b95a7;font-size:0.75rem;padding:4px 10px;border-radius:20px">1,102 ABIDE I subjects</span>
   </div>
 </div>
 """
@@ -797,15 +803,20 @@ with gr.Blocks(title="BrainConnect-ASD", css=css, theme=gr.themes.Base()) as dem
 
     with gr.Tabs():
         with gr.Tab("Analysis"):
-            file_input = gr.File(label="Upload fMRI time series — CC200 (200), AAL (116), or Harvard-Oxford (111) ROIs · .1D or .npz", type="filepath")
-            gr.HTML("<div style='color:#8b95a7;font-size:0.7rem;text-transform:uppercase;letter-spacing:1.2px;margin:14px 0 8px;font-weight:500'>Or try a real ABIDE subject from a held-out site</div>")
+            gr.HTML("""<div style="background:#161922;border:1px solid #252a35;border-radius:8px;padding:12px 16px;margin-bottom:10px;display:flex;gap:24px;flex-wrap:wrap">
+              <div style="display:flex;align-items:center;gap:8px"><span style="color:#22c55e;font-size:1rem">①</span><span style="color:#cbd5e1;font-size:0.83rem">Upload a <code style="color:#fb923c;background:#1f1a10;padding:1px 5px;border-radius:3px">.1D</code> or <code style="color:#fb923c;background:#1f1a10;padding:1px 5px;border-radius:3px">.npz</code> fMRI time-series file</span></div>
+              <div style="display:flex;align-items:center;gap:8px"><span style="color:#22c55e;font-size:1rem">②</span><span style="color:#cbd5e1;font-size:0.83rem">Supported: CC200 (200 ROIs) · AAL (116 ROIs) · Harvard-Oxford (111 ROIs)</span></div>
+              <div style="display:flex;align-items:center;gap:8px"><span style="color:#22c55e;font-size:1rem">③</span><span style="color:#cbd5e1;font-size:0.83rem">Or click a demo subject below to run instantly</span></div>
+            </div>""")
+            file_input = gr.File(label="Drop fMRI file here (.1D or .npz)", type="filepath")
+            gr.HTML("<div style='color:#8b95a7;font-size:0.68rem;text-transform:uppercase;letter-spacing:1.2px;margin:10px 0 6px;font-weight:500'>Or try a real ABIDE subject from a held-out site</div>")
             with gr.Row():
                 btn_asd = gr.Button("ASD · Stanford 0051160", size="sm")
                 btn_tc  = gr.Button("TC · Yale 0050552",  size="sm")
                 btn_brd = gr.Button("Borderline · Trinity 0050232",  size="sm")
             verdict_html = gr.HTML()
             ens_html     = gr.HTML()
-            gr.HTML("<div style='margin-top:18px;font-size:0.65rem;color:#8b95a7;letter-spacing:2px;text-transform:uppercase;margin-bottom:6px;font-weight:500'>Gradient Saliency · which brain networks drove this prediction</div>")
+            gr.HTML("<div style='margin-top:14px;font-size:0.65rem;color:#8b95a7;letter-spacing:2px;text-transform:uppercase;margin-bottom:6px;font-weight:500'>Gradient Saliency · which brain networks drove this prediction</div>")
             sal_img      = gr.Image(label="", type="pil", show_label=False)
             rep_html     = gr.HTML()
             file_input.change(fn=run_gcn, inputs=file_input,