Show LTX acknowledgement banner inside the Gradio app (above the fold)

The README ack appears below the iframe — users hit the app first.
Adding a styled HTML banner directly under the title so the LTX-2 +
Lightricks credit + Resemble AI branding is visible immediately on
landing.

app.py

@@ -129,13 +129,39 @@ def on_generate(prompt: str, audio_ref, cfg: float, stg: float, dur_mult: float,
 
 
 # ── UI ──────────────────────────────────────────────────────────────────────
+_BANNER_CSS = """
+.prompt-box textarea { font-size: 14px !important; line-height: 1.5 !important; }
+.ltx-banner {
+    background: linear-gradient(90deg, #1a1f3a 0%, #2a1f3a 100%);
+    border-left: 4px solid #ff6b35;
+    padding: 10px 16px;
+    margin: 0 0 12px 0;
+    border-radius: 6px;
+    color: #e8e8f0;
+    font-size: 13px;
+    line-height: 1.5;
+}
+.ltx-banner a { color: #ff9a6c; font-weight: 600; text-decoration: none; }
+.ltx-banner a:hover { text-decoration: underline; }
+.ltx-banner strong { color: #ffffff; }
+"""
+
 with gr.Blocks(
     title="DramaBox — Expressive TTS",
     theme=gr.themes.Default(),
-    css=".prompt-box textarea { font-size: 14px !important; line-height: 1.5 !important; }",
+    css=_BANNER_CSS,
     analytics_enabled=False,
 ) as app:
     gr.Markdown("# 🎭 DramaBox — Expressive TTS with Voice Cloning")
+    gr.HTML(
+        '<div class="ltx-banner">'
+        '🏗️&nbsp; Built on <a href="https://github.com/Lightricks/LTX-2">LTX-2</a> by '
+        '<a href="https://huggingface.co/Lightricks">Lightricks</a>. '
+        '<strong>DramaBox</strong> is <strong>Resemble AI\'s</strong> expressive TTS, '
+        'trained on top of the LTX-2.3 audio branch under the LTX-2 Community License. '
+        'Huge thanks to the Lightricks team for open-sourcing the base.'
+        '</div>'
+    )
     gr.Markdown(
         "Write a scene prompt, optionally upload a 10-second voice reference, "
         "and generate. Audio is automatically watermarked with "