Create app.py

app.py

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+import gradio as gr
+from PIL import Image
+
+def generate_fn(prompt, image):
+    # Stub: echo for now (swap with real gen later)
+    if not prompt and image is None:
+        raise gr.Error("Add a prompt or an image.")
+    msg = f"OK ✅  Prompt length: {len(prompt or '')} | Image: {'yes' if image else 'no'}"
+    return msg
+
+CUSTOM_CSS = """
+/* Page padding & grid background hint (optional) */
+.gradio-container { padding: 24px; }
+
+/* Big rounded prompt box */
+#prompt-box textarea {
+  border-radius: 28px !important;
+  min-height: 180px;
+  font-size: 18px;
+  line-height: 1.45;
+  padding: 18px 22px;
+}
+
+/* Rounded square image card */
+#add-image .wrap.svelte-1ipelgc, 
+#add-image .wrap {  /* compat across versions */
+  border-radius: 28px !important;
+}
+#add-image .input-image, 
+#add-image .empty.svelte-1ipelgc {
+  border-radius: 28px !important;
+  min-width: 240px;
+  min-height: 240px;
+}
+
+/* Pill generate button (right side) */
+#gen-btn button {
+  border-radius: 999px !important;
+  padding: 12px 24px;
+  font-size: 18px;
+}
+"""
+
+with gr.Blocks(css=CUSTOM_CSS, title="StitchMaster – UI Sketch") as demo:
+    # Row 1: Big rounded prompt input
+    prompt = gr.Textbox(
+        label=None,
+        placeholder="Prompt input",
+        lines=8,
+        elem_id="prompt-box"
+    )
+
+    # Row 2: Left = Add Image card | Right = Generate button
+    with gr.Row():
+        with gr.Column(scale=1, min_width=300):
+            img = gr.Image(
+                label="Add Image",
+                type="pil",
+                elem_id="add-image"
+            )
+        with gr.Column(scale=3, min_width=300):
+            # Spacer effect using Markdown (empty height) then right-aligned button
+            gr.Markdown(" \n\n ", elem_classes=["spacer"])
+            gen = gr.Button("Generate", elem_id="gen-btn")
+
+    out = gr.Markdown("")  # simple status/output for now
+    gen.click(fn=generate_fn, inputs=[prompt, img], outputs=out)
+
+if __name__ == "__main__":
+    demo.launch()