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app.py

@@ -235,74 +235,6 @@ label, .gr-input-label { color: #94a3b8 !important; }
     padding: 12px; border-top: 1px solid #1e293b;
 }
 
-/* Landing Page */
-.landing-page {
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-    justify-content: center;
-    min-height: 80vh;
-    text-align: center;
-    background: radial-gradient(circle at center, rgba(14, 165, 233, 0.08) 0%, transparent 60%);
-    border-radius: 24px;
-    padding: 40px;
-}
-.hero-title {
-    font-family: 'Figtree', sans-serif;
-    font-size: 3.8rem;
-    font-weight: 800;
-    color: #f8fafc;
-    margin-bottom: 16px;
-    letter-spacing: -0.03em;
-    background: linear-gradient(135deg, #e0f2fe 0%, #38bdf8 100%);
-    -webkit-background-clip: text;
-    -webkit-text-fill-color: transparent;
-}
-.hero-subtitle {
-    font-size: 1.25rem;
-    color: #94a3b8;
-    max-width: 650px;
-    margin: 0 auto 32px auto;
-    line-height: 1.6;
-}
-.btn-launch {
-    background: linear-gradient(135deg, #0ea5e9, #0284c7) !important;
-    border: none !important; color: #fff !important;
-    font-size: 1.15rem !important; font-weight: 600 !important;
-    padding: 16px 42px !important; border-radius: 12px !important;
-    cursor: pointer !important;
-    transition: all 0.2s ease-out !important;
-    box-shadow: 0 8px 24px rgba(14, 165, 233, 0.3) !important;
-}
-.btn-launch:hover {
-    transform: translateY(-2px) !important;
-    box-shadow: 0 12px 32px rgba(14, 165, 233, 0.4) !important;
-}
-.features-grid {
-    display: flex;
-    gap: 24px;
-    margin-top: 56px;
-    justify-content: center;
-    flex-wrap: wrap;
-}
-.feature-card {
-    background: rgba(30, 41, 59, 0.6);
-    border: 1px solid rgba(51, 65, 85, 0.5);
-    border-radius: 16px;
-    padding: 24px;
-    width: 280px;
-    text-align: left;
-    backdrop-filter: blur(12px);
-    transition: transform 0.2s ease, border-color 0.2s ease;
-}
-.feature-card:hover {
-    transform: translateY(-4px);
-    border-color: rgba(14, 165, 233, 0.4);
-}
-.feature-icon { font-size: 2rem; margin-bottom: 14px; }
-.feature-title { color: #f1f5f9; font-weight: 600; margin-bottom: 8px; font-size: 1.1rem; }
-.feature-desc { color: #64748b; font-size: 0.88rem; line-height: 1.5; }
-
 /* Reduced motion */
 @media (prefers-reduced-motion: reduce) {
     *, *::before, *::after {
@@ -630,86 +562,45 @@ with gr.Blocks(
     title="OncoAgent — Oncology Triage Demo",
     theme=gr.themes.Base(),
 ) as demo:
-    # ── Landing Page ──────────────────────────────────────────────────
-    with gr.Column(elem_classes=["landing-page"], visible=True) as landing_page:
-        gr.HTML("""
-        <div class="hero-title">🧬 OncoAgent</div>
-        <div class="hero-subtitle">
-            An open-source, multi-agent AI system designed for clinical oncology triage. 
-            Powered by AMD Instinct™ MI300X, LangGraph, and specialized Qwen models.
-        </div>
-        """)
-        
-        launch_btn = gr.Button("🚀 Launch Demo", elem_classes=["btn-launch"], size="lg")
-        
-        gr.HTML("""
-        <div class="features-grid">
-            <div class="feature-card">
-                <div class="feature-icon">📚</div>
-                <div class="feature-title">Corrective RAG</div>
-                <div class="feature-desc">Grounded in 170+ NCCN & ESMO guidelines with distance-gating to prevent hallucinations.</div>
-            </div>
-            <div class="feature-card">
-                <div class="feature-icon">🧠</div>
-                <div class="feature-title">Multi-Agent Reasoning</div>
-                <div class="feature-desc">Tiered architecture (Qwen3.5-9B Router + Qwen3.6-27B Specialist) for complex clinical analysis.</div>
-            </div>
-            <div class="feature-card">
-                <div class="feature-icon">🛡️</div>
-                <div class="feature-title">Clinical Safety</div>
-                <div class="feature-desc">Reflexion loops validate outputs against strict medical criteria before clinician review.</div>
-            </div>
-        </div>
-        """)
-
-    # ── Main App ──────────────────────────────────────────────────────
-    with gr.Column(visible=False) as app_page:
-        # Header
-        gr.HTML(HEADER_HTML)
-        gr.HTML(INFO_HTML)
-
-        # Chat
-        chatbot = gr.Chatbot(
-            type="messages",
-            label="Clinical Triage Chat",
-            height=520,
-            show_label=False,
-            show_copy_button=True,
-            render_markdown=True,
-            elem_classes=["card"],
-        )
-
-        # Controls
-        with gr.Row():
-            with gr.Column(scale=3):
-                txt = gr.Textbox(
-                    placeholder="Enter a clinical case or click '▶ View Demo'...",
-                    show_label=False,
-                    lines=2,
-                    max_lines=5,
-                )
-            with gr.Column(scale=1, min_width=180):
-                demo_btn = gr.Button(
-                    "▶ View Demo",
-                    elem_classes=["btn-demo"],
-                    size="lg",
-                )
-
-        with gr.Row():
-            send_btn = gr.Button("Send", elem_classes=["btn-primary"], size="sm")
-            clear_btn = gr.Button("🗑 Clear", variant="secondary", size="sm")
-
-        # Footer
-        gr.HTML(FOOTER_HTML)
+    # Header
+    gr.HTML(HEADER_HTML)
+    gr.HTML(INFO_HTML)
+
+    # Chat
+    chatbot = gr.Chatbot(
+        type="messages",
+        label="Clinical Triage Chat",
+        height=520,
+        show_label=False,
+        show_copy_button=True,
+        render_markdown=True,
+        elem_classes=["card"],
+    )
 
-    # ── Event Handlers ────────────────────────────────────────────────
+    # Controls
+    with gr.Row():
+        with gr.Column(scale=3):
+            txt = gr.Textbox(
+                placeholder="Enter a clinical case or click '▶ View Demo'...",
+                show_label=False,
+                lines=2,
+                max_lines=5,
+            )
+        with gr.Column(scale=1, min_width=180):
+            demo_btn = gr.Button(
+                "▶ View Demo",
+                elem_classes=["btn-demo"],
+                size="lg",
+            )
+
+    with gr.Row():
+        send_btn = gr.Button("Send", elem_classes=["btn-primary"], size="sm")
+        clear_btn = gr.Button("🗑 Clear", variant="secondary", size="sm")
+
+    # Footer
+    gr.HTML(FOOTER_HTML)
 
-    # Landing page navigation
-    launch_btn.click(
-        fn=lambda: [gr.update(visible=False), gr.update(visible=True)],
-        inputs=None,
-        outputs=[landing_page, app_page],
-    )
+    # ── Event Handlers ────────────────────────────────────────────────
 
     demo_btn.click(
         fn=run_demo,