Update app.py

app.py

@@ -1,10 +1,7 @@
-
 import os
 import gc
-import io
 import uuid
 import json
-import base64
 import random
 import threading
 import concurrent.futures
@@ -19,9 +16,9 @@ from PIL import Image
 from gradio import Server
 from fastapi import Request, UploadFile, File, Form
 from fastapi.responses import HTMLResponse, JSONResponse, FileResponse
-
 from diffusers import Flux2KleinPipeline, AutoencoderKLFlux2
 
+# --- App Configuration & Directories ---
 app = Server()
 
 BASE_DIR = Path(__file__).resolve().parent
@@ -35,78 +32,70 @@ OUTPUT_DIR.mkdir(exist_ok=True)
 MAX_SEED = np.iinfo(np.int32).max
 MAX_IMAGE_SIZE = 1024
 
-dtype = torch.bfloat16
-DEVICE = "cuda" if torch.cuda.is_available() else "cpu"
+dtype  = torch.bfloat16
+device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
 
 if torch.cuda.is_available():
+    print("current device:", torch.cuda.current_device())
+    print("device name:", torch.cuda.get_device_name(torch.cuda.current_device()))
     DEVICE_LABEL = torch.cuda.get_device_name(torch.cuda.current_device()).lower()
 else:
-    DEVICE_LABEL = DEVICE
+    DEVICE_LABEL = str(device).lower()
 
+# --- Model Loading ---
 print("Loading 4B Distilled model (Standard VAE)...")
 pipe_standard = Flux2KleinPipeline.from_pretrained(
     "black-forest-labs/FLUX.2-klein-4B",
     torch_dtype=dtype,
-)
+).to(device)
 pipe_standard.enable_model_cpu_offload()
 
 print("Loading Small Decoder VAE...")
 vae_small = AutoencoderKLFlux2.from_pretrained(
     "black-forest-labs/FLUX.2-small-decoder",
     torch_dtype=dtype,
-)
+).to(device)
 
 print("Loading 4B Distilled model (Small Decoder VAE)...")
 pipe_small_decoder = Flux2KleinPipeline.from_pretrained(
     "black-forest-labs/FLUX.2-klein-4B",
     vae=vae_small,
     torch_dtype=dtype,
-)
+).to(device)
 pipe_small_decoder.enable_model_cpu_offload()
 
 pipe_lock_standard = threading.Lock()
-pipe_lock_small = threading.Lock()
-
-
-def image_to_base64(img: Image.Image) -> str:
-    buf = io.BytesIO()
-    img.save(buf, format="PNG")
-    return base64.b64encode(buf.getvalue()).decode("utf-8")
-
-
-def save_image(img: Image.Image, prefix: str = "output") -> str:
-    filename = f"{prefix}_{uuid.uuid4().hex}.png"
-    path = OUTPUT_DIR / filename
-    img.save(path, format="PNG")
-    return filename
-
+pipe_lock_small    = threading.Lock()
 
+# --- Utility Functions ---
 def calc_dimensions(pil_img: Image.Image):
     iw, ih = pil_img.size
     aspect = iw / ih
+
     if aspect >= 1:
-        new_width = 1024
+        new_width  = 1024
         new_height = int(round(1024 / aspect))
     else:
         new_height = 1024
-        new_width = int(round(1024 * aspect))
-    new_width = max(256, min(1024, round(new_width / 8) * 8))
+        new_width  = int(round(1024 * aspect))
+
+    new_width  = max(256, min(1024, round(new_width  / 8) * 8))
     new_height = max(256, min(1024, round(new_height / 8) * 8))
     return new_width, new_height
 
-
-def parse_and_resize_images(image_paths: list, width: int, height: int):
-    raw_list = []
+def parse_and_resize_images(image_paths: List[str], width: int, height: int):
+    if not image_paths:
+        return None
+    
+    resized = []
     for path in image_paths:
         try:
             img = Image.open(path).convert("RGB")
-            raw_list.append(img)
+            resized.append(img.resize((width, height), Image.LANCZOS))
         except Exception as e:
             print(f"Skipping invalid image: {e}")
-    if not raw_list:
-        return None
-    return [img.resize((width, height), Image.LANCZOS) for img in raw_list]
-
+            
+    return resized if resized else None
 
 def run_pipeline(pipe, lock, kwargs, seed):
     with lock:
@@ -114,80 +103,67 @@ def run_pipeline(pipe, lock, kwargs, seed):
         result = pipe(**kwargs, generator=gen).images[0]
     return result
 
-
-def get_example_items():
-    example_prompts = {
-        "1.jpg": "Change the weather to stormy.",
-        "2.jpg": "Transform the scene into a snowy winter day while preserving the original subject identity, framing, and composition.",
-        "3.jpg": "Relight the image with soft golden sunset lighting while keeping all structures and subject details consistent.",
-        "4.jpg": "Make the texture high-resolution.",
-    }
-    items = []
-    if EXAMPLES_DIR.exists():
-        for name in sorted(os.listdir(EXAMPLES_DIR)):
-            if name.lower().endswith((".png", ".jpg", ".jpeg", ".webp")):
-                items.append({
-                    "file": name,
-                    "url": f"/example-file/{name}",
-                    "prompt": example_prompts.get(name, "Edit this image while preserving composition."),
-                })
-    return items
-
-
-@app.get("/example-file/{filename}")
-async def example_file(filename: str):
-    path = EXAMPLES_DIR / filename
-    if not path.exists():
-        return JSONResponse({"error": "Example not found"}, status_code=404)
-    return FileResponse(path)
-
-
-@app.get("/download/{filename}")
-async def download_file(filename: str):
+def save_image(img: Image.Image, prefix: str = "output") -> str:
+    filename = f"{prefix}_{uuid.uuid4().hex}.png"
     path = OUTPUT_DIR / filename
-    if not path.exists():
-        return JSONResponse({"error": "File not found"}, status_code=404)
-    return FileResponse(path, filename=filename, media_type="image/png")
-
+    img.save(path, format="PNG")
+    return filename
 
+# --- Inference Function ---
 @spaces.GPU(duration=120)
-def run_inference(image_paths, prompt, seed, randomize_seed, width, height, steps, guidance_scale):
+def infer(
+    prompt: str,
+    image_paths: List[str] = None,
+    seed: int = 42,
+    randomize_seed: bool = False,
+    width: int = 1024,
+    height: int = 1024,
+    num_inference_steps: int = 4,
+    guidance_scale: float = 1.0,
+):
     gc.collect()
     if torch.cuda.is_available():
         torch.cuda.empty_cache()
 
+    if not prompt or not prompt.strip():
+        raise ValueError("Please enter a prompt.")
+
     if randomize_seed:
         seed = random.randint(0, MAX_SEED)
 
     image_list = None
-    if image_paths:
+    if image_paths and len(image_paths) > 0:
         try:
             first_pil = Image.open(image_paths[0]).convert("RGB")
             width, height = calc_dimensions(first_pil)
-        except Exception:
-            pass
-        image_list = parse_and_resize_images(image_paths, width, height)
+            image_list = parse_and_resize_images(image_paths, width, height)
+        except Exception as e:
+            print(f"Error processing upload: {e}")
 
-    width = max(256, min(MAX_IMAGE_SIZE, round(int(width) / 8) * 8))
+    width  = max(256, min(MAX_IMAGE_SIZE, round(int(width)  / 8) * 8))
     height = max(256, min(MAX_IMAGE_SIZE, round(int(height) / 8) * 8))
 
     shared_kwargs = dict(
         prompt=prompt,
         height=height,
         width=width,
-        num_inference_steps=steps,
+        num_inference_steps=num_inference_steps,
         guidance_scale=guidance_scale,
     )
     if image_list is not None:
         shared_kwargs["image"] = image_list
 
     with concurrent.futures.ThreadPoolExecutor(max_workers=2) as executor:
-        future_std = executor.submit(run_pipeline, pipe_standard, pipe_lock_standard, shared_kwargs, seed)
+        future_std   = executor.submit(run_pipeline, pipe_standard, pipe_lock_standard, shared_kwargs, seed)
         future_small = executor.submit(run_pipeline, pipe_small_decoder, pipe_lock_small, shared_kwargs, seed)
-        concurrent.futures.wait([future_std, future_small], return_when=concurrent.futures.ALL_COMPLETED)
+        
+        concurrent.futures.wait(
+            [future_std, future_small],
+            return_when=concurrent.futures.ALL_COMPLETED,
+        )
 
     out_standard = future_std.result()
-    out_small = future_small.result()
+    out_small    = future_small.result()
 
     gc.collect()
     if torch.cuda.is_available():
@@ -196,6 +172,51 @@ def run_inference(image_paths, prompt, seed, randomize_seed, width, height, step
     return out_standard, out_small, seed
 
 
+# --- FastAPI Endpoints ---
+def get_example_items():
+    items = []
+    
+    # 1. Multi-image example (Explicitly Handled)
+    items.append({
+        "files": ["I1.jpg", "I2.jpg"],
+        "urls": ["/example-file/I1.jpg", "/example-file/I2.jpg"],
+        "prompt": "Make her wear these glasses in Image 2."
+    })
+
+    # 2. Single image examples
+    example_prompts = {
+        "1.jpg": "Change the weather to stormy.",
+        "2.jpg": "Transform the scene into a snowy winter day while preserving the original subject identity, framing, and composition.",
+        "3.jpg": "Relight the image with soft golden sunset lighting while keeping all structures and subject details consistent.",
+        "4.jpg": "Make the texture high-resolution.",
+    }
+
+    if EXAMPLES_DIR.exists():
+        for name in sorted(os.listdir(EXAMPLES_DIR)):
+            # Skip the ones explicitly handled above to avoid duplicates
+            if name in ["I1.jpg", "I2.jpg"]: continue
+            if name.lower().endswith((".png", ".jpg", ".jpeg", ".webp")):
+                items.append({
+                    "files": [name],
+                    "urls": [f"/example-file/{name}"],
+                    "prompt": example_prompts.get(name, "Edit this image while preserving composition.")
+                })
+    return items
+
+@app.get("/example-file/{filename}")
+async def example_file(filename: str):
+    path = EXAMPLES_DIR / filename
+    if not path.exists():
+        return JSONResponse({"error": "Example not found"}, status_code=404)
+    return FileResponse(path)
+
+@app.get("/download/{filename}")
+async def download_file(filename: str):
+    path = OUTPUT_DIR / filename
+    if not path.exists():
+        return JSONResponse({"error": "File not found"}, status_code=404)
+    return FileResponse(path, filename=filename, media_type="image/png")
+
 @app.post("/api/compare")
 async def compare_images(
     prompt: str = Form(...),
@@ -204,7 +225,7 @@ async def compare_images(
     width: str = Form("1024"),
     height: str = Form("1024"),
     steps: str = Form("4"),
-    guidance_scale: str = Form("1.0"),
+    guidance: str = Form("1.0"),
     images: Optional[List[UploadFile]] = File(None),
 ):
     temp_paths = []
@@ -212,40 +233,34 @@ async def compare_images(
         image_paths = []
         if images:
             for upload in images:
+                if not upload.filename: continue
                 suffix = Path(upload.filename).suffix or ".png"
-                temp_name = f"upload_{uuid.uuid4().hex}{suffix}"
-                temp_path = OUTPUT_DIR / temp_name
+                temp_path = OUTPUT_DIR / f"upload_{uuid.uuid4().hex}{suffix}"
                 content = await upload.read()
                 with open(temp_path, "wb") as f:
                     f.write(content)
                 temp_paths.append(str(temp_path))
                 image_paths.append(str(temp_path))
 
-        out_standard, out_small, used_seed = run_inference(
-            image_paths=image_paths,
+        result_std, result_small, used_seed = infer(
             prompt=prompt,
+            image_paths=image_paths,
             seed=int(seed),
-            randomize_seed=randomize_seed.lower() == "true",
+            randomize_seed=(randomize_seed.lower() == "true"),
             width=int(width),
             height=int(height),
-            steps=int(steps),
-            guidance_scale=float(guidance_scale),
+            num_inference_steps=int(steps),
+            guidance_scale=float(guidance),
         )
 
-        std_filename = save_image(out_standard, prefix="standard")
-        small_filename = save_image(out_small, prefix="small")
+        std_filename = save_image(result_std, prefix="std")
+        small_filename = save_image(result_small, prefix="small")
 
         return JSONResponse({
             "success": True,
             "seed": used_seed,
-            "standard": {
-                "image_url": f"/download/{std_filename}",
-                "download_url": f"/download/{std_filename}",
-            },
-            "small": {
-                "image_url": f"/download/{small_filename}",
-                "download_url": f"/download/{small_filename}",
-            },
+            "std_url": f"/download/{std_filename}",
+            "small_url": f"/download/{small_filename}",
             "device": DEVICE_LABEL,
         })
 
@@ -253,1729 +268,604 @@ async def compare_images(
         return JSONResponse({"success": False, "error": str(e)}, status_code=500)
     finally:
         for p in temp_paths:
-            try:
-                if os.path.exists(p):
-                    os.remove(p)
-            except Exception:
-                pass
-
+            if os.path.exists(p):
+                os.remove(p)
 
+# --- Frontend ---
 @app.get("/", response_class=HTMLResponse)
 async def homepage(request: Request):
     examples = get_example_items()
     examples_json = json.dumps(examples)
 
-    return f"""<!DOCTYPE html>
+    return f"""
+<!DOCTYPE html>
 <html lang="en">
 <head>
-  <meta charset="UTF-8"/>
-  <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
-  <title>FLUX.2 Decoder Comparator — Terminal</title>
+  <meta charset="UTF-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+  <title>Flux.2-4B-Decoder-Comparator</title>
+  <link href="https://fonts.googleapis.com/css2?family=Ubuntu:wght@300;400;500;700&display=swap" rel="stylesheet">
   <style>
-    @import url('https://fonts.googleapis.com/css2?family=Ubuntu+Mono:ital,wght@0,400;0,700;1,400&family=Ubuntu:wght@300;400;500;700&display=swap');
-
     :root {{
-      --term-bg:        #300a24;
-      --term-bg2:       #2c0a20;
-      --term-bg3:       #3a0f2e;
-      --term-win:       #1e0a18;
-      --term-chrome:    #3c1535;
-      --term-border:    #5a1e48;
-      --term-border2:   #7a2860;
-      --green:          #4edd91;
-      --green2:         #2ec27e;
-      --orange:         #e95420;
-      --orange2:        #ff6b35;
-      --orange-soft:    rgba(233,84,32,0.18);
-      --orange-border:  rgba(233,84,32,0.45);
-      --yellow:         #f4c21b;
-      --cyan:           #4fd8e0;
-      --pink:           #e06dc0;
-      --white:          #f8f8f2;
-      --gray:           #a89db8;
-      --gray2:          #6d5f7d;
-      --prompt-color:   #4edd91;
-      --cursor-color:   #f8f8f2;
-      --scrollbar:      #5a1e48;
-      --font-mono:      'Ubuntu Mono', 'Courier New', monospace;
-      --font-ui:        'Ubuntu', sans-serif;
-      --radius:         0px;
-      --shadow:         0 8px 32px rgba(0,0,0,0.6);
-      --shadow-lg:      0 16px 48px rgba(0,0,0,0.75);
-      --glow-green:     0 0 12px rgba(78,221,145,0.35);
-      --glow-orange:    0 0 12px rgba(233,84,32,0.45);
-    }}
-
-    *, *::before, *::after {{ box-sizing: border-box; margin: 0; padding: 0; }}
-
-    html, body {{
-      height: 100%;
-      background: #1a0514;
-      font-family: var(--font-mono);
-      overflow: hidden;
-    }}
-
-    ::-webkit-scrollbar {{ width: 5px; height: 5px; }}
-    ::-webkit-scrollbar-track {{ background: var(--term-bg2); }}
-    ::-webkit-scrollbar-thumb {{ background: var(--scrollbar); border-radius: 2px; }}
-
-    /* ══════════════════════════════════════════
-       DESKTOP WALLPAPER
-    ══════════════════════════════════════════ */
-    .desktop {{
-      width: 100vw;
-      height: 100vh;
-      background:
-        radial-gradient(ellipse at 20% 50%, rgba(233,84,32,0.12) 0%, transparent 60%),
-        radial-gradient(ellipse at 80% 20%, rgba(124,58,237,0.10) 0%, transparent 55%),
-        radial-gradient(ellipse at 60% 80%, rgba(78,221,145,0.07) 0%, transparent 50%),
-        #1a0514;
-      display: flex;
-      align-items: center;
-      justify-content: center;
-      position: relative;
-      overflow: hidden;
-    }}
-
-    /* subtle grid */
-    .desktop::before {{
-      content: '';
-      position: absolute;
-      inset: 0;
-      background-image:
-        linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
-        linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
-      background-size: 40px 40px;
-      pointer-events: none;
-    }}
-
-    /* ══════════════════════════════════════════
-       TERMINAL WINDOW
-    ══════════════════════════════════════════ */
-    .terminal {{
-      width: min(1380px, 97vw);
-      height: min(920px, 96vh);
-      background: var(--term-bg);
-      border: 1px solid var(--term-border);
-      border-radius: 10px;
+      --ub-aubergine: #2C001E;
+      --ub-aubergine-dark: #1f0015;
+      --ub-orange: #E95420;
+      --ub-orange-hover: #c4461a;
+      --ub-panel: #3D3D3D;
+      --ub-panel-light: #4f4f4f;
+      --ub-border: rgba(255,255,255,0.1);
+      --ub-text: #FFFFFF;
+      --ub-muted: #b0b0b0;
+      --ub-input: #2b2b2b;
+      --panel-radius: 8px;
+      --panel-height: 700px; /* Locked equal height */
+    }}
+
+    * {{ box-sizing: border-box; font-family: 'Ubuntu', sans-serif; }}
+
+    body {{
+      margin: 0; padding: 0;
+      background: var(--ub-aubergine);
+      color: var(--ub-text);
+      min-height: 100vh;
       display: flex;
       flex-direction: column;
-      box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,0.04) inset;
-      overflow: hidden;
-      position: relative;
-    }}
-
-    /* ── title bar ── */
-    .titlebar {{
-      height: 38px;
-      min-height: 38px;
-      background: linear-gradient(180deg, #4a1a38 0%, #3c1535 100%);
-      border-bottom: 1px solid var(--term-border);
-      display: flex;
-      align-items: center;
-      padding: 0 14px;
-      gap: 0;
-      user-select: none;
-      border-radius: 10px 10px 0 0;
-    }}
-
-    .tb-buttons {{
-      display: flex;
-      gap: 8px;
-      margin-right: 14px;
-    }}
-
-    .tb-btn {{
-      width: 13px;
-      height: 13px;
-      border-radius: 50%;
-      border: none;
-      cursor: pointer;
-      position: relative;
-      display: flex;
-      align-items: center;
-      justify-content: center;
-      font-size: 0;
-      transition: filter 0.15s;
     }}
-    .tb-btn:hover {{ filter: brightness(1.25); font-size: 9px; color: rgba(0,0,0,0.6); font-weight: 900; }}
-    .tb-close  {{ background: #e95420; }}
-    .tb-min    {{ background: #f4c21b; }}
-    .tb-max    {{ background: #4edd91; }}
 
-    .tb-title {{
-      flex: 1;
+    .topbar {{
+      background: var(--ub-aubergine-dark);
+      padding: 16px 24px;
+      border-bottom: 1px solid var(--ub-border);
       text-align: center;
-      font-size: 13px;
-      color: #c8a8c0;
-      letter-spacing: 0.04em;
-      font-family: var(--font-mono);
-    }}
-
-    .tb-title strong {{ color: var(--white); }}
-
-    .tb-right {{
-      display: flex;
-      align-items: center;
-      gap: 10px;
-      font-size: 11px;
-      color: var(--gray2);
-      font-family: var(--font-mono);
-    }}
-
-    .tb-badge {{
-      padding: 2px 8px;
-      background: var(--orange-soft);
-      border: 1px solid var(--orange-border);
-      border-radius: 20px;
-      color: var(--orange2);
-      font-size: 11px;
-    }}
-
-    /* ── tab bar ── */
-    .tabbar {{
-      height: 34px;
-      min-height: 34px;
-      background: var(--term-win);
-      border-bottom: 1px solid var(--term-border);
-      display: flex;
-      align-items: flex-end;
-      padding: 0 12px;
-      gap: 2px;
-    }}
-
-    .tab {{
-      height: 28px;
-      padding: 0 16px;
-      background: var(--term-chrome);
-      border: 1px solid var(--term-border);
-      border-bottom: none;
-      border-radius: 5px 5px 0 0;
-      display: flex;
-      align-items: center;
-      gap: 7px;
-      font-size: 12px;
-      color: var(--gray);
-      cursor: pointer;
-      font-family: var(--font-mono);
-      transition: background 0.15s;
+      font-weight: 700;
+      letter-spacing: 0.5px;
+      color: var(--ub-orange);
     }}
 
-    .tab.active {{
-      background: var(--term-bg);
-      color: var(--white);
-      border-color: var(--term-border2);
+    .container {{
+      max-width: 1300px;
+      margin: 0 auto;
+      padding: 30px 20px;
+      flex: 1;
+      width: 100%;
     }}
 
-    .tab-dot {{
-      width: 7px;
-      height: 7px;
-      border-radius: 50%;
-      background: var(--gray2);
+    .header-text {{
+      text-align: center;
+      margin-bottom: 30px;
     }}
+    .header-text h1 {{ margin: 0 0 10px 0; font-size: 2.2rem; }}
+    .header-text p {{ color: var(--ub-muted); margin: 0; }}
 
-    .tab.active .tab-dot {{ background: var(--green); box-shadow: var(--glow-green); }}
-
-    /* ── body layout ── */
-    .term-body {{
-      flex: 1;
-      min-height: 0;
+    /* Layout & Panels */
+    .layout {{
       display: grid;
-      grid-template-columns: 420px 1fr;
+      grid-template-columns: 400px 1fr;
+      gap: 24px;
+      align-items: stretch; /* Ensures columns match height natively if unset, but we use fixed height */
     }}
 
-    /* ── LEFT PANE (input) ── */
-    .pane-left {{
-      border-right: 1px solid var(--term-border);
+    .panel {{
+      background: var(--ub-panel);
+      border-radius: var(--panel-radius);
+      box-shadow: 0 8px 24px rgba(0,0,0,0.2);
       display: flex;
       flex-direction: column;
+      height: var(--panel-height); /* Enforces exact equal height */
       overflow: hidden;
     }}
 
-    .pane-header {{
-      height: 32px;
-      min-height: 32px;
-      background: var(--term-win);
-      border-bottom: 1px solid var(--term-border);
-      display: flex;
-      align-items: center;
-      padding: 0 14px;
-      gap: 8px;
-      font-size: 11px;
-      color: var(--gray2);
-      font-family: var(--font-mono);
-    }}
-
-    .pane-header-label {{ color: var(--green); font-weight: 700; font-size: 12px; }}
-    .pane-header-path  {{ color: var(--cyan); font-size: 11px; }}
-
-    .pane-scroll {{
-      flex: 1;
-      min-height: 0;
-      overflow-y: auto;
-      overflow-x: hidden;
-      padding: 14px;
-      display: flex;
-      flex-direction: column;
-      gap: 14px;
-    }}
-
-    /* ── RIGHT PANE ── */
-    .pane-right {{
-      display: flex;
-      flex-direction: column;
-      overflow: hidden;
-      background: var(--term-win);
+    .panel-header {{
+      padding: 16px 20px;
+      background: rgba(0,0,0,0.2);
+      border-bottom: 1px solid var(--ub-border);
+      font-weight: 500;
+      font-size: 1.1rem;
+      flex-shrink: 0;
     }}
 
-    /* ── TERMINAL SECTIONS ── */
-    .term-section {{
+    .panel-body {{ 
+      padding: 20px; 
+      flex: 1; 
+      overflow-y: auto; /* Allows left settings panel to scroll without expanding container */
       display: flex;
       flex-direction: column;
-      gap: 6px;
     }}
 
-    .term-label {{
-      display: flex;
-      align-items: center;
-      gap: 6px;
-      font-size: 11px;
-      font-family: var(--font-mono);
-      color: var(--gray);
-      padding-left: 2px;
-    }}
+    .panel-body::-webkit-scrollbar {{ width: 8px; }}
+    .panel-body::-webkit-scrollbar-track {{ background: var(--ub-panel); }}
+    .panel-body::-webkit-scrollbar-thumb {{ background: var(--ub-panel-light); border-radius: 4px; }}
 
-    .term-label::before {{
-      content: '#';
-      color: var(--gray2);
+    /* Input Forms */
+    .form-group {{ margin-bottom: 20px; flex-shrink: 0; }}
+    .label {{
+      display: block; font-weight: 500; font-size: 14px;
+      color: var(--ub-muted); margin-bottom: 8px;
     }}
 
-    .term-label .lbl {{ color: var(--cyan); font-weight: 700; }}
-    .term-label .lbl-opt {{ color: var(--gray2); margin-left: 4px; }}
-
-    /* prompt input */
-    .term-prompt-wrap {{
-      background: var(--term-win);
-      border: 1px solid var(--term-border);
+    .textarea, .input {{
+      width: 100%;
+      background: var(--ub-input);
+      border: 1px solid var(--ub-border);
+      color: var(--ub-text);
+      padding: 12px;
       border-radius: 4px;
-      display: flex;
-      align-items: flex-start;
-      padding: 10px 12px;
-      gap: 8px;
-      transition: border-color 0.2s;
-    }}
-
-    .term-prompt-wrap:focus-within {{ border-color: var(--green2); box-shadow: 0 0 0 2px rgba(78,221,145,0.1); }}
-
-    .term-prompt-prefix {{
-      color: var(--prompt-color);
-      font-size: 14px;
-      font-family: var(--font-mono);
-      padding-top: 1px;
-      flex-shrink: 0;
-      font-weight: 700;
-    }}
-
-    .term-textarea {{
-      flex: 1;
-      background: transparent;
-      border: none;
       outline: none;
-      color: var(--white);
-      font-family: var(--font-mono);
-      font-size: 13.5px;
-      line-height: 1.55;
-      resize: none;
-      min-height: 62px;
-      caret-color: var(--cursor-color);
+      font-size: 14px;
     }}
+    .textarea:focus, .input:focus {{ border-color: var(--ub-orange); }}
+    .textarea {{ min-height: 100px; resize: vertical; }}
 
-    .term-textarea::placeholder {{ color: var(--gray2); }}
-
-    /* upload drop zone */
+    /* Upload Zone & Plus Button */
     .upload-zone {{
-      background: var(--term-win);
-      border: 1px dashed var(--term-border2);
+      background: var(--ub-input);
+      border: 1px dashed var(--ub-muted);
       border-radius: 4px;
+      padding: 20px;
+      text-align: center;
       cursor: pointer;
       transition: border-color 0.2s, background 0.2s;
     }}
-
     .upload-zone:hover, .upload-zone.dragover {{
-      border-color: var(--orange);
-      background: rgba(233,84,32,0.06);
+      border-color: var(--ub-orange);
+      background: rgba(233,84,32,0.05);
+    }}
+    .upload-zone.has-files {{
+      padding: 10px;
+      border-style: solid;
     }}
-
     .upload-zone input[type="file"] {{ display: none; }}
+    
+    .preview-grid {{
+      display: grid; 
+      grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
+      gap: 10px; 
+    }}
+    .thumb {{
+      position: relative; aspect-ratio: 1;
+      border-radius: 4px; overflow: hidden;
+      border: 1px solid var(--ub-border);
+      background: rgba(0,0,0,0.2);
+    }}
+    .thumb img {{ width: 100%; height: 100%; object-fit: cover; display: block; }}
+    .thumb-remove {{
+      position: absolute; top: 4px; right: 4px;
+      background: rgba(0,0,0,0.7); color: white;
+      border: none; border-radius: 50%; width: 20px; height: 20px;
+      display: flex; align-items: center; justify-content: center;
+      cursor: pointer; font-size: 12px;
+    }}
+    .add-more-btn {{
+      display: flex; align-items: center; justify-content: center;
+      font-size: 28px; font-weight: 300; color: var(--ub-muted);
+      cursor: pointer; transition: 0.2s;
+      border: 1px dashed var(--ub-muted); background: transparent;
+    }}
+    .add-more-btn:hover {{
+      color: var(--ub-orange); border-color: var(--ub-orange);
+      background: rgba(233,84,32,0.05);
+    }}
+
+    /* Buttons */
+    .btn {{
+      width: 100%; padding: 14px; border: none; border-radius: 4px;
+      font-size: 16px; font-weight: 700; cursor: pointer;
+      transition: opacity 0.2s, background 0.2s;
+      flex-shrink: 0;
+    }}
+    .btn-primary {{
+      background: var(--ub-orange); color: white;
+      box-shadow: 0 4px 12px rgba(233,84,32,0.3);
+    }}
+    .btn-primary:hover {{ background: var(--ub-orange-hover); }}
+    .btn:disabled {{ opacity: 0.6; cursor: not-allowed; }}
 
-    .upload-placeholder {{
-      padding: 20px 16px;
-      display: flex;
-      flex-direction: column;
-      align-items: center;
-      gap: 8px;
-      text-align: center;
-      background: transparent;
-      border: none;
-      width: 100%;
-      cursor: pointer;
-      color: var(--white);
+    /* Advanced Accordion */
+    .advanced-toggle {{
+      width: 100%; background: none; border: none; color: var(--ub-orange);
+      text-align: left; padding: 10px 0; font-weight: 500; cursor: pointer;
+      display: flex; justify-content: space-between; align-items: center;
+      flex-shrink: 0;
     }}
+    .advanced-toggle span.icon {{ font-family: monospace; font-size: 18px; font-weight: bold; }}
+    .advanced-body {{ display: none; padding-top: 10px; flex-shrink: 0; }}
+    .advanced-body.open {{ display: block; }}
+    .grid-2 {{ display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }}
 
-    .upload-icon-term {{
-      width: 42px;
-      height: 42px;
-      border: 1px solid var(--term-border2);
-      background: var(--term-chrome);
+    /* SLIDER CONTAINER */
+    .slider-stage {{
+      position: relative;
+      width: 100%;
+      flex: 1; /* Automatically takes remaining height to hit 700px */
+      min-height: 0; 
+      background: #111;
       border-radius: 4px;
+      overflow: hidden;
       display: flex;
       align-items: center;
       justify-content: center;
-      color: var(--orange2);
-      margin-bottom: 2px;
     }}
-
-    .upload-main {{
-      font-size: 12.5px;
-      font-weight: 700;
-      color: var(--white);
-      font-family: var(--font-mono);
+    .slider-empty {{
+      color: var(--ub-muted);
+      text-align: center;
+    }}
+    
+    .slider-img {{
+      position: absolute;
+      top: 0; left: 0;
+      width: 100%; height: 100%;
+      object-fit: contain;
+      display: none;
+      user-select: none;
+      -webkit-user-drag: none;
     }}
+    #imgSmall {{ clip-path: inset(0 50% 0 0); }}
 
-    .upload-sub {{
-      font-size: 11px;
-      color: var(--gray2);
-      font-family: var(--font-mono);
+    .slider-handle {{
+      position: absolute;
+      left: 50%;
+      top: 0; bottom: 0;
+      width: 4px;
+      background: var(--ub-orange);
+      cursor: ew-resize;
+      display: none;
+      z-index: 10;
+    }}
+    .slider-handle::after {{
+      content: '◀ ▶';
+      position: absolute;
+      top: 50%; left: 50%;
+      transform: translate(-50%, -50%);
+      width: 40px; height: 30px;
+      background: var(--ub-orange);
+      color: white;
+      border-radius: 15px;
+      display: flex; align-items: center; justify-content: center;
+      font-size: 10px; font-weight: bold;
+      box-shadow: 0 2px 6px rgba(0,0,0,0.5);
     }}
 
-    /* preview grid */
-    .preview-bar {{
-      display: flex;
-      align-items: center;
+    .slider-labels {{
+      position: absolute;
+      top: 15px; left: 15px; right: 15px;
+      display: none;
       justify-content: space-between;
-      padding: 0 2px;
+      pointer-events: none;
+      z-index: 5;
     }}
-
-    .preview-count {{
-      font-size: 11px;
-      font-family: var(--font-mono);
-      color: var(--green);
-      font-weight: 700;
+    .badge {{
+      background: rgba(0,0,0,0.6); color: white; padding: 6px 12px;
+      border-radius: 20px; font-size: 13px; backdrop-filter: blur(4px);
     }}
 
-    .preview-count::before {{ content: '$ ls -1 | wc -l  →  '; color: var(--gray2); }}
-
-    .preview-clear-btn {{
-      background: transparent;
-      border: 1px solid var(--term-border);
-      border-radius: 3px;
-      color: var(--gray2);
-      font-size: 11px;
-      font-family: var(--font-mono);
-      cursor: pointer;
-      padding: 2px 8px;
-      transition: all 0.15s;
+    .loader {{
+      position: absolute; inset: 0; background: rgba(0,0,0,0.7);
+      display: none; flex-direction: column;
+      align-items: center; justify-content: center; z-index: 20;
     }}
-
-    .preview-clear-btn:hover {{ border-color: var(--orange); color: var(--orange2); }}
-
-    .preview-grid {{
-      display: grid;
-      grid-template-columns: repeat(4, 1fr);
-      gap: 6px;
+    .spinner {{
+      width: 40px; height: 40px; border: 4px solid rgba(255,255,255,0.2);
+      border-top-color: var(--ub-orange); border-radius: 50%;
+      animation: spin 1s linear infinite; margin-bottom: 15px;
     }}
 
-    .thumb {{
-      position: relative;
-      aspect-ratio: 1/1;
-      border: 1px solid var(--term-border);
-      border-radius: 3px;
-      overflow: hidden;
-      background: #0d0510;
-      cursor: pointer;
-      transition: border-color 0.15s;
+    /* Examples */
+    .examples-section {{ margin-top: 40px; }}
+    .examples-section h3 {{ border-bottom: 1px solid var(--ub-border); padding-bottom: 10px; }}
+    .examples-grid {{
+      display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px;
+    }}
+    .ex-card {{
+      background: var(--ub-panel); border-radius: 4px; overflow: hidden;
+      cursor: pointer; transition: transform 0.2s, box-shadow 0.2s;
+      display: flex; flex-direction: column;
+    }}
+    .ex-card:hover {{ transform: translateY(-3px); box-shadow: 0 6px 16px rgba(0,0,0,0.3); }}
+    
+    .ex-card-images {{
+      display: flex; width: 100%; aspect-ratio: 1;
     }}
+    .ex-card-images img {{
+      flex: 1; min-width: 0; object-fit: cover;
+    }}
+    .ex-card-images img:nth-child(2) {{ border-left: 1px solid #111; }}
+    
+    .ex-card p {{ padding: 12px; margin: 0; font-size: 13px; color: var(--ub-muted); line-height: 1.4; }}
 
-    .thumb:hover {{ border-color: var(--orange); }}
+    @keyframes spin {{ to {{ transform: rotate(360deg); }} }}
 
-    .thumb img {{
-      width: 100%;
-      height: 100%;
-      object-fit: cover;
-      display: block;
+    @media (max-width: 900px) {{
+      .layout {{ grid-template-columns: 1fr; }}
+      .panel {{ height: auto; min-height: 500px; }}
     }}
+  </style>
+</head>
+<body>
 
-    .thumb-overlay {{
-      position: absolute;
-      inset: 0;
-      background: rgba(0,0,0,0);
-      transition: background 0.15s;
-      display: flex;
-      align-items: flex-start;
-      justify-content: flex-end;
-      padding: 4px;
-    }}
+  <div class="topbar">Flux.2-4B VAE Decoder Comparator</div>
 
-    .thumb:hover .thumb-overlay {{ background: rgba(0,0,0,0.45); }}
+  <div class="container">
+    <div class="header-text">
+      <h1>Standard vs. Small Decoder</h1>
+      <p>Upload an image, enter a prompt, and use the slider to compare outputs in real-time.</p>
+    </div>
 
-    .thumb-rm {{
-      width: 20px;
-      height: 20px;
-      border-radius: 50%;
-      background: rgba(233,84,32,0.9);
-      border: none;
-      color: white;
-      font-size: 13px;
-      cursor: pointer;
-      display: flex;
-      align-items: center;
-      justify-content: center;
-      opacity: 0;
-      transition: opacity 0.15s;
-    }}
+    <div class="layout">
+      <div class="panel">
+        <div class="panel-header">Settings</div>
+        <div class="panel-body">
+          <div class="form-group">
+            <label class="label">Input Images (Optional)</label>
+            <div class="upload-zone" id="dropZone">
+              <input type="file" id="fileInput" multiple accept="image/*" />
+              <div id="uploadText">Click or Drag & Drop images here</div>
+              <div class="preview-grid" id="previewGrid" style="display:none;"></div>
+            </div>
+          </div>
 
-    .thumb:hover .thumb-rm {{ opacity: 1; }}
+          <div class="form-group">
+            <label class="label">Prompt</label>
+            <textarea id="promptInput" class="textarea" placeholder="Describe the edit or generation..."></textarea>
+          </div>
 
-    .thumb-idx {{
-      position: absolute;
-      bottom: 3px;
-      left: 3px;
-      background: rgba(233,84,32,0.85);
-      color: white;
-      font-size: 9px;
-      font-weight: 700;
-      font-family: var(--font-mono);
-      width: 16px;
-      height: 16px;
-      border-radius: 50%;
-      display: flex;
-      align-items: center;
-      justify-content: center;
-    }}
-
-    .thumb-add {{
-      aspect-ratio: 1/1;
-      border: 1px dashed var(--term-border2);
-      border-radius: 3px;
-      background: transparent;
-      display: flex;
-      align-items: center;
-      justify-content: center;
-      color: var(--gray2);
-      font-size: 20px;
-      cursor: pointer;
-      transition: all 0.15s;
-    }}
-
-    .thumb-add:hover {{ border-color: var(--orange); color: var(--orange2); }}
-
-    /* advanced toggle */
-    .adv-toggle {{
-      width: 100%;
-      background: var(--term-win);
-      border: 1px solid var(--term-border);
-      border-radius: 4px;
-      color: var(--gray);
-      font-family: var(--font-mono);
-      font-size: 12px;
-      cursor: pointer;
-      display: flex;
-      align-items: center;
-      justify-content: space-between;
-      padding: 8px 12px;
-      transition: all 0.15s;
-    }}
-
-    .adv-toggle:hover {{ border-color: var(--term-border2); color: var(--white); }}
-
-    .adv-toggle-left {{ display: flex; align-items: center; gap: 8px; }}
-    .adv-toggle-left::before {{ content: '$'; color: var(--prompt-color); }}
-    .adv-chevron {{ font-size: 10px; transition: transform 0.25s; color: var(--gray2); }}
-    .adv-chevron.open {{ transform: rotate(180deg); }}
-
-    .adv-body {{
-      display: none;
-      flex-direction: column;
-      gap: 12px;
-      background: var(--term-win);
-      border: 1px solid var(--term-border);
-      border-radius: 4px;
-      padding: 14px;
-      margin-top: -8px;
-    }}
-
-    .adv-body.open {{ display: flex; }}
-
-    .adv-grid {{ display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }}
-
-    .adv-field {{ display: flex; flex-direction: column; gap: 5px; }}
-
-    .adv-field-label {{
-      display: flex;
-      justify-content: space-between;
-      font-size: 11px;
-      font-family: var(--font-mono);
-      color: var(--gray2);
-    }}
-
-    .adv-field-label .adv-key {{ color: var(--cyan); }}
-    .adv-field-label .adv-val {{ color: var(--yellow); font-weight: 700; }}
-
-    input[type="range"] {{
-      -webkit-appearance: none;
-      width: 100%;
-      height: 3px;
-      background: var(--term-border);
-      border-radius: 2px;
-      outline: none;
-    }}
-
-    input[type="range"]::-webkit-slider-thumb {{
-      -webkit-appearance: none;
-      width: 14px;
-      height: 14px;
-      border-radius: 50%;
-      background: var(--orange);
-      cursor: pointer;
-      box-shadow: 0 0 8px rgba(233,84,32,0.6);
-    }}
-
-    .adv-checkbox {{
-      display: flex;
-      align-items: center;
-      gap: 8px;
-      font-size: 12px;
-      font-family: var(--font-mono);
-      color: var(--gray);
-      cursor: pointer;
-    }}
-
-    .adv-checkbox::before {{ content: '$'; color: var(--prompt-color); }}
-
-    .adv-checkbox input {{
-      width: 14px;
-      height: 14px;
-      accent-color: var(--orange);
-      cursor: pointer;
-    }}
-
-    /* run button */
-    .run-btn {{
-      width: 100%;
-      height: 42px;
-      background: linear-gradient(135deg, var(--orange) 0%, #c74119 100%);
-      border: none;
-      border-radius: 4px;
-      color: white;
-      font-family: var(--font-mono);
-      font-size: 14px;
-      font-weight: 700;
-      cursor: pointer;
-      display: flex;
-      align-items: center;
-      justify-content: center;
-      gap: 10px;
-      letter-spacing: 0.06em;
-      transition: all 0.2s;
-      box-shadow: 0 3px 14px rgba(233,84,32,0.4);
-      margin-top: 4px;
-    }}
-
-    .run-btn:hover {{ filter: brightness(1.12); transform: translateY(-1px); }}
-    .run-btn:active {{ transform: translateY(0); }}
-    .run-btn:disabled {{
-      background: var(--term-chrome);
-      box-shadow: none;
-      cursor: not-allowed;
-      transform: none;
-      filter: none;
-      color: var(--gray2);
-    }}
-
-    /* ── OUTPUT AREA ── */
-    .output-header {{
-      height: 32px;
-      min-height: 32px;
-      background: var(--term-win);
-      border-bottom: 1px solid var(--term-border);
-      display: flex;
-      align-items: center;
-      padding: 0 14px;
-      gap: 10px;
-      font-size: 11px;
-      font-family: var(--font-mono);
-      color: var(--gray2);
-    }}
-
-    .out-label {{ color: var(--pink); font-weight: 700; font-size: 12px; }}
-
-    .out-meta-chips {{
-      margin-left: auto;
-      display: flex;
-      gap: 8px;
-    }}
-
-    .out-chip {{
-      padding: 2px 8px;
-      background: var(--term-chrome);
-      border: 1px solid var(--term-border);
-      border-radius: 3px;
-      font-size: 10px;
-      font-family: var(--font-mono);
-      color: var(--gray2);
-    }}
-
-    .out-chip .val {{ color: var(--yellow); font-weight: 700; }}
-
-    /* slider stage */
-    .slider-stage {{
-      flex: 1;
-      min-height: 0;
-      position: relative;
-      background: #0a0410;
-      display: flex;
-      align-items: center;
-      justify-content: center;
-      overflow: hidden;
-    }}
-
-    /* empty */
-    .empty-state {{
-      display: flex;
-      flex-direction: column;
-      align-items: center;
-      gap: 16px;
-      text-align: center;
-      padding: 40px;
-      color: var(--gray2);
-    }}
-
-    .empty-ascii {{
-      font-family: var(--font-mono);
-      font-size: 11px;
-      color: var(--term-border2);
-      line-height: 1.3;
-      white-space: pre;
-    }}
-
-    .empty-msg {{
-      font-family: var(--font-mono);
-      font-size: 13px;
-      color: var(--gray2);
-    }}
-
-    .empty-msg .em-cmd {{ color: var(--green); }}
-    .empty-msg .em-dim {{ color: var(--gray2); }}
-
-    .cursor-blink {{
-      display: inline-block;
-      width: 8px;
-      height: 14px;
-      background: var(--cursor-color);
-      margin-left: 2px;
-      animation: blink 1.1s step-end infinite;
-      vertical-align: middle;
-    }}
-
-    @keyframes blink {{ 0%,100% {{ opacity:1; }} 50% {{ opacity:0; }} }}
-
-    /* compare widget */
-    .compare-wrap {{
-      position: relative;
-      width: 100%;
-      height: 100%;
-      user-select: none;
-      display: none;
-    }}
-
-    .compare-wrap.visible {{ display: block; }}
-
-    .compare-img-base {{
-      display: block;
-      width: 100%;
-      height: 100%;
-      object-fit: contain;
-    }}
-
-    .compare-overlay {{
-      position: absolute;
-      top: 0;
-      left: 0;
-      height: 100%;
-      overflow: hidden;
-      pointer-events: none;
-    }}
-
-    .compare-overlay img {{
-      display: block;
-      height: 100%;
-      width: 100vw;
-      max-width: none;
-      object-fit: contain;
-      object-position: left center;
-    }}
-
-    .compare-handle {{
-      position: absolute;
-      top: 0;
-      height: 100%;
-      width: 3px;
-      background: rgba(255,255,255,0.9);
-      cursor: ew-resize;
-      z-index: 10;
-      box-shadow: 0 0 10px rgba(255,255,255,0.4);
-    }}
-
-    .compare-handle::before {{
-      content: '';
-      position: absolute;
-      top: 50%;
-      left: 50%;
-      transform: translate(-50%, -50%);
-      width: 34px;
-      height: 34px;
-      border-radius: 50%;
-      background: white;
-      box-shadow: 0 2px 12px rgba(0,0,0,0.5);
-    }}
-
-    .compare-handle::after {{
-      content: '◀▶';
-      position: absolute;
-      top: 50%;
-      left: 50%;
-      transform: translate(-50%, -50%);
-      font-size: 9px;
-      color: #333;
-      font-weight: 900;
-      pointer-events: none;
-      letter-spacing: -1px;
-    }}
-
-    .cmp-label {{
-      position: absolute;
-      top: 12px;
-      padding: 4px 10px;
-      border-radius: 3px;
-      font-size: 11px;
-      font-weight: 700;
-      font-family: var(--font-mono);
-      pointer-events: none;
-      z-index: 5;
-      letter-spacing: 0.05em;
-    }}
-
-    .cmp-label-left  {{ left:  12px; background: rgba(233,84,32,0.9);  color: white; }}
-    .cmp-label-right {{ right: 12px; background: rgba(20,10,18,0.85); color: var(--cyan); border: 1px solid var(--term-border); }}
-
-    /* loader */
-    .loader-overlay {{
-      position: absolute;
-      inset: 0;
-      background: rgba(10,4,16,0.82);
-      backdrop-filter: blur(10px);
-      -webkit-backdrop-filter: blur(10px);
-      display: none;
-      align-items: center;
-      justify-content: center;
-      flex-direction: column;
-      gap: 18px;
-      z-index: 20;
-    }}
-
-    .loader-overlay.active {{ display: flex; }}
-
-    .loader-terminal {{
-      background: var(--term-win);
-      border: 1px solid var(--term-border2);
-      border-radius: 6px;
-      padding: 20px 28px;
-      min-width: 320px;
-      display: flex;
-      flex-direction: column;
-      gap: 12px;
-      box-shadow: var(--shadow-lg);
-    }}
-
-    .loader-title-bar {{
-      display: flex;
-      align-items: center;
-      gap: 8px;
-      margin-bottom: 4px;
-    }}
-
-    .loader-dots {{ display: flex; gap: 6px; }}
-    .loader-dot {{ width: 10px; height: 10px; border-radius: 50%; }}
-    .ld-r {{ background: var(--orange); animation: pulse 1s ease-in-out infinite; }}
-    .ld-y {{ background: var(--yellow); animation: pulse 1s ease-in-out 0.2s infinite; }}
-    .ld-g {{ background: var(--green); animation: pulse 1s ease-in-out 0.4s infinite; }}
-
-    @keyframes pulse {{ 0%,100% {{ opacity:1; }} 50% {{ opacity:0.3; }} }}
-
-    .loader-terminal-title {{ font-size: 11px; color: var(--gray2); font-family: var(--font-mono); }}
-
-    .loader-line {{
-      font-family: var(--font-mono);
-      font-size: 13px;
-      color: var(--green);
-      display: flex;
-      align-items: center;
-      gap: 8px;
-    }}
-
-    .loader-line .ll-prefix {{ color: var(--gray2); }}
-
-    .loader-spinner {{
-      display: inline-block;
-      font-size: 16px;
-      animation: spin 0.7s linear infinite;
-    }}
-
-    @keyframes spin {{ to {{ transform: rotate(360deg); }} }}
-
-    .loader-progress {{
-      height: 3px;
-      background: var(--term-border);
-      border-radius: 2px;
-      overflow: hidden;
-    }}
-
-    .loader-progress-bar {{
-      height: 100%;
-      background: linear-gradient(90deg, var(--orange), var(--orange2));
-      border-radius: 2px;
-      animation: progress-anim 2s ease-in-out infinite;
-      box-shadow: 0 0 8px rgba(233,84,32,0.6);
-    }}
-
-    @keyframes progress-anim {{
-      0%   {{ width: 0%; margin-left: 0%; }}
-      50%  {{ width: 70%; margin-left: 15%; }}
-      100% {{ width: 0%; margin-left: 100%; }}
-    }}
-
-    /* output footer */
-    .output-footer {{
-      height: 36px;
-      min-height: 36px;
-      background: var(--term-win);
-      border-top: 1px solid var(--term-border);
-      display: flex;
-      align-items: center;
-      padding: 0 14px;
-      gap: 10px;
-      font-size: 11px;
-      font-family: var(--font-mono);
-    }}
-
-    .dl-link {{
-      display: inline-flex;
-      align-items: center;
-      gap: 5px;
-      padding: 3px 10px;
-      background: var(--term-chrome);
-      border: 1px solid var(--term-border);
-      border-radius: 3px;
-      color: var(--gray);
-      text-decoration: none;
-      font-size: 11px;
-      font-family: var(--font-mono);
-      cursor: pointer;
-      transition: all 0.15s;
-    }}
-
-    .dl-link:hover {{ border-color: var(--green2); color: var(--green); }}
-    .dl-link.hidden {{ display: none; }}
-
-    .footer-seed {{
-      margin-left: auto;
-      color: var(--gray2);
-      font-family: var(--font-mono);
-      font-size: 11px;
-    }}
-
-    .footer-seed .seed-val {{ color: var(--yellow); font-weight: 700; }}
-
-    .footer-device {{
-      color: var(--gray2);
-      font-family: var(--font-mono);
-      font-size: 11px;
-    }}
-
-    .footer-device .dev-val {{ color: var(--cyan); }}
-
-    /* ── BOTTOM: EXAMPLES TAB ── */
-    .bottom-bar {{
-      border-top: 1px solid var(--term-border);
-      background: var(--term-bg2);
-      display: flex;
-      flex-direction: column;
-    }}
-
-    .bottom-tab-row {{
-      height: 32px;
-      display: flex;
-      align-items: center;
-      padding: 0 14px;
-      gap: 12px;
-      border-bottom: 1px solid var(--term-border);
-    }}
-
-    .bottom-tab {{
-      font-size: 11px;
-      font-family: var(--font-mono);
-      color: var(--gray2);
-      cursor: pointer;
-      padding: 3px 0;
-      border-bottom: 2px solid transparent;
-      transition: all 0.15s;
-    }}
-
-    .bottom-tab.active {{ color: var(--green); border-bottom-color: var(--green); }}
-
-    .examples-scroll {{
-      padding: 12px 14px;
-      overflow-x: auto;
-      overflow-y: hidden;
-      display: flex;
-      gap: 12px;
-    }}
-
-    .example-card {{
-      flex-shrink: 0;
-      width: 200px;
-      background: var(--term-win);
-      border: 1px solid var(--term-border);
-      border-radius: 4px;
-      overflow: hidden;
-      cursor: pointer;
-      transition: border-color 0.15s, transform 0.15s;
-    }}
-
-    .example-card:hover {{
-      border-color: var(--orange);
-      transform: translateY(-2px);
-    }}
-
-    .example-img {{
-      width: 100%;
-      aspect-ratio: 4/3;
-      object-fit: cover;
-      display: block;
-      border-bottom: 1px solid var(--term-border);
-    }}
-
-    .example-body {{
-      padding: 8px 10px;
-    }}
-
-    .example-prompt {{
-      font-size: 11px;
-      font-family: var(--font-mono);
-      color: var(--gray);
-      line-height: 1.45;
-      display: -webkit-box;
-      -webkit-line-clamp: 2;
-      -webkit-box-orient: vertical;
-      overflow: hidden;
-      margin-bottom: 7px;
-    }}
-
-    .example-use-btn {{
-      width: 100%;
-      padding: 4px 0;
-      background: var(--orange-soft);
-      border: 1px solid var(--orange-border);
-      border-radius: 3px;
-      color: var(--orange2);
-      font-size: 10px;
-      font-weight: 700;
-      font-family: var(--font-mono);
-      cursor: pointer;
-      letter-spacing: 0.04em;
-      transition: background 0.15s;
-    }}
-
-    .example-use-btn:hover {{ background: rgba(233,84,32,0.3); }}
-
-    /* ── STATUS BAR ── */
-    .statusbar {{
-      height: 22px;
-      min-height: 22px;
-      background: var(--orange);
-      display: flex;
-      align-items: center;
-      padding: 0 12px;
-      gap: 16px;
-      border-radius: 0 0 10px 10px;
-    }}
-
-    .sb-item {{
-      font-size: 11px;
-      font-family: var(--font-mono);
-      color: rgba(255,255,255,0.85);
-      display: flex;
-      align-items: center;
-      gap: 5px;
-    }}
-
-    .sb-item strong {{ color: white; font-weight: 700; }}
-
-    .sb-sep {{ color: rgba(255,255,255,0.35); }}
-
-    .sb-right {{ margin-left: auto; display: flex; gap: 12px; }}
-
-    .sb-status-dot {{
-      width: 7px;
-      height: 7px;
-      border-radius: 50%;
-      background: rgba(255,255,255,0.5);
-      transition: all 0.3s;
-    }}
-
-    .sb-status-dot.running {{
-      background: white;
-      box-shadow: 0 0 6px rgba(255,255,255,0.8);
-      animation: pulse 0.8s ease-in-out infinite;
-    }}
-
-    .sb-status-dot.done {{ background: var(--green); box-shadow: 0 0 6px rgba(78,221,145,0.6); }}
-
-    /* ── TOAST ── */
-    .toast-wrap {{
-      position: fixed;
-      bottom: 30px;
-      right: 24px;
-      z-index: 9999;
-      display: flex;
-      flex-direction: column;
-      gap: 8px;
-    }}
-
-    .toast {{
-      background: var(--term-win);
-      border: 1px solid var(--term-border2);
-      border-radius: 4px;
-      padding: 10px 14px;
-      display: flex;
-      align-items: flex-start;
-      gap: 10px;
-      min-width: 240px;
-      max-width: 340px;
-      box-shadow: var(--shadow-lg);
-      font-family: var(--font-mono);
-      font-size: 12px;
-      animation: slideUp 0.25s ease;
-    }}
-
-    .toast-err  {{ border-color: rgba(233,84,32,0.6); }}
-    .toast-ok   {{ border-color: rgba(78,221,145,0.5); }}
-
-    .toast-prefix {{ color: var(--prompt-color); flex-shrink: 0; }}
-    .toast-err .toast-prefix {{ color: var(--orange2); }}
-    .toast-msg {{ color: var(--white); flex: 1; }}
-    .toast-x {{ background: transparent; border: none; color: var(--gray2); cursor: pointer; font-size: 14px; }}
-
-    @keyframes slideUp {{
-      from {{ transform: translateY(12px); opacity: 0; }}
-      to   {{ transform: translateY(0);    opacity: 1; }}
-    }}
-
-    /* ── RESPONSIVE ── */
-    @media (max-width: 900px) {{
-      .terminal {{ width: 100vw; height: 100vh; border-radius: 0; }}
-      .term-body {{ grid-template-columns: 1fr; grid-template-rows: auto 1fr; }}
-      .pane-left {{ border-right: none; border-bottom: 1px solid var(--term-border); max-height: 52vh; }}
-      .statusbar {{ border-radius: 0; }}
-    }}
-
-    @media (max-width: 600px) {{
-      .adv-grid {{ grid-template-columns: 1fr; }}
-      .preview-grid {{ grid-template-columns: repeat(3, 1fr); }}
-    }}
-  </style>
-</head>
-<body>
-
-<div class="toast-wrap" id="toastWrap"></div>
-
-<div class="desktop">
-  <div class="terminal">
-
-    <!-- TITLE BAR -->
-    <div class="titlebar">
-      <div class="tb-buttons">
-        <button class="tb-btn tb-close"  title="Close">×</button>
-        <button class="tb-btn tb-min"    title="Minimize">−</button>
-        <button class="tb-btn tb-max"    title="Maximize">+</button>
-      </div>
-      <div class="tb-title">
-        <strong>flux2-decoder-comparator</strong> — bash
-      </div>
-      <div class="tb-right">
-        <span class="tb-badge">GPU: {DEVICE_LABEL}</span>
-      </div>
-    </div>
-
-    <!-- TAB BAR -->
-    <div class="tabbar">
-      <div class="tab active">
-        <div class="tab-dot"></div>
-        flux2-comparator
-      </div>
-      <div class="tab">
-        <div class="tab-dot"></div>
-        model-logs
-      </div>
-    </div>
-
-    <!-- BODY -->
-    <div class="term-body">
-
-      <!-- ═══ LEFT: INPUT PANE ═══ -->
-      <div class="pane-left">
-        <div class="pane-header">
-          <span class="pane-header-label">INPUT</span>
-          <span style="color:var(--gray2);">//</span>
-          <span class="pane-header-path">~/flux2/configure</span>
-        </div>
-        <div class="pane-scroll">
-
-          <!-- upload -->
-          <div class="term-section">
-            <div class="term-label"><span class="lbl">images</span><span class="lbl-opt">(optional)</span></div>
-            <div class="upload-zone" id="uploadZone">
-              <input id="fileInput" type="file" accept="image/*" multiple />
-              <button class="upload-placeholder" id="uploadPlaceholder" type="button">
-                <div class="upload-icon-term">
-                  <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
-                    <path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/>
-                    <polyline points="17 8 12 3 7 8"/>
-                    <line x1="12" y1="3" x2="12" y2="15"/>
-                  </svg>
-                </div>
-                <div class="upload-main">drop images or click to browse</div>
-                <div class="upload-sub">PNG · JPG · WEBP — multiple files</div>
-              </button>
-            </div>
-
-            <div id="previewContainer" style="display:none; flex-direction:column; gap:6px;">
-              <div class="preview-bar">
-                <span class="preview-count" id="previewCount">0</span>
-                <button class="preview-clear-btn" id="clearImagesBtn" type="button">rm -rf *</button>
+          <button class="advanced-toggle" id="advToggle">
+            <span>Advanced Settings</span> <span class="icon" id="advIcon">+</span>
+          </button>
+          
+          <div class="advanced-body" id="advBody">
+            <div class="grid-2">
+              <div class="form-group">
+                <label class="label">Seed</label>
+                <input type="number" id="seed" class="input" value="0">
               </div>
-              <div class="preview-grid" id="previewGrid"></div>
-            </div>
-          </div>
-
-          <!-- prompt -->
-          <div class="term-section">
-            <div class="term-label"><span class="lbl">prompt</span></div>
-            <div class="term-prompt-wrap">
-              <span class="term-prompt-prefix">$&gt;</span>
-              <textarea id="prompt" class="term-textarea" placeholder="describe the edit or generation..." rows="3"></textarea>
-            </div>
-          </div>
-
-          <!-- advanced -->
-          <div class="term-section">
-            <button class="adv-toggle" id="advToggle" type="button">
-              <span class="adv-toggle-left">advanced --options</span>
-              <span class="adv-chevron" id="advChevron">▼</span>
-            </button>
-            <div class="adv-body" id="advBody">
-              <div class="adv-grid">
-                <div class="adv-field">
-                  <div class="adv-field-label">
-                    <span class="adv-key">--seed</span>
-                    <span class="adv-val" id="seedVal">0</span>
-                  </div>
-                  <input type="range" id="seed" min="0" max="{MAX_SEED}" step="1" value="0"
-                         oninput="document.getElementById('seedVal').textContent=this.value" />
-                </div>
-                <div class="adv-field">
-                  <div class="adv-field-label">
-                    <span class="adv-key">--steps</span>
-                    <span class="adv-val" id="stepsVal">4</span>
-                  </div>
-                  <input type="range" id="steps" min="1" max="20" step="1" value="4"
-                         oninput="document.getElementById('stepsVal').textContent=this.value" />
-                </div>
-                <div class="adv-field">
-                  <div class="adv-field-label">
-                    <span class="adv-key">--width</span>
-                    <span class="adv-val" id="widthVal">1024</span>
-                  </div>
-                  <input type="range" id="width" min="256" max="{MAX_IMAGE_SIZE}" step="8" value="1024"
-                         oninput="document.getElementById('widthVal').textContent=this.value" />
-                </div>
-                <div class="adv-field">
-                  <div class="adv-field-label">
-                    <span class="adv-key">--height</span>
-                    <span class="adv-val" id="heightVal">1024</span>
-                  </div>
-                  <input type="range" id="height" min="256" max="{MAX_IMAGE_SIZE}" step="8" value="1024"
-                         oninput="document.getElementById('heightVal').textContent=this.value" />
-                </div>
-                <div class="adv-field">
-                  <div class="adv-field-label">
-                    <span class="adv-key">--guidance</span>
-                    <span class="adv-val" id="guidanceVal">1.0</span>
-                  </div>
-                  <input type="range" id="guidance" min="0" max="10" step="0.1" value="1.0"
-                         oninput="document.getElementById('guidanceVal').textContent=parseFloat(this.value).toFixed(1)" />
-                </div>
+              <div class="form-group">
+                <label class="label">Steps</label>
+                <input type="number" id="steps" class="input" value="4">
+              </div>
+              <div class="form-group">
+                <label class="label">Width</label>
+                <input type="number" id="width" class="input" value="1024" step="8">
+              </div>
+              <div class="form-group">
+                <label class="label">Height</label>
+                <input type="number" id="height" class="input" value="1024" step="8">
+              </div>
+              <div class="form-group" style="grid-column: span 2;">
+                <label class="label">Guidance Scale</label>
+                <input type="number" id="guidance" class="input" value="1.0" step="0.1">
+              </div>
+              <div class="form-group" style="grid-column: span 2;">
+                <label style="display:flex; align-items:center; gap:8px; font-size:14px;">
+                  <input type="checkbox" id="randomize" checked> Randomize Seed
+                </label>
               </div>
-              <label class="adv-checkbox">
-                <input type="checkbox" id="randomizeSeed" checked />
-                randomize_seed=True
-              </label>
             </div>
           </div>
 
-          <!-- run -->
-          <button class="run-btn" id="runBtn" type="button">
-            <svg width="15" height="15" viewBox="0 0 24 24" fill="currentColor">
-              <polygon points="5 3 19 12 5 21 5 3"/>
-            </svg>
-            ./run_comparison.sh
-          </button>
-
-        </div><!-- /pane-scroll -->
-      </div><!-- /pane-left -->
-
-      <!-- ═══ RIGHT: OUTPUT PANE ═══ -->
-      <div class="pane-right">
-        <div class="output-header">
-          <span class="out-label">OUTPUT</span>
-          <span style="color:var(--gray2);">//</span>
-          <span style="color:var(--pink); font-size:11px;">standard_decoder ◀▶ small_decoder</span>
-          <div class="out-meta-chips">
-            <span class="out-chip">seed: <span class="val" id="chipSeed">—</span></span>
-            <span class="out-chip" id="chipStatus">idle</span>
-          </div>
+          <button class="btn btn-primary" id="runBtn" style="margin-top: 20px;">Run Comparison</button>
         </div>
+      </div>
 
-        <!-- stage -->
-        <div class="slider-stage" id="sliderStage">
-
-          <!-- empty -->
-          <div class="empty-state" id="emptyState">
-            <div class="empty-ascii">┌─────────────────────────────────┐
-│  flux2 decoder comparator v1.0  │
-│  standard vae  ◀▶  small vae    │
-└─────────────────────────────────┘</div>
-            <div class="empty-msg">
-              <span class="em-dim">$ </span><span class="em-cmd">./run_comparison.sh</span><span class="em-dim"> --waiting</span><span class="cursor-blink"></span>
-            </div>
-            <div style="font-size:11px; color:var(--gray2); font-family:var(--font-mono);">
-              configure inputs on the left, then click run
+      <div class="panel">
+        <div class="panel-header">Comparison View</div>
+        <div class="panel-body" style="padding:0;">
+          <div class="slider-stage" id="sliderStage">
+            <div class="slider-empty" id="sliderEmpty">
+              <svg width="48" height="48" fill="none" stroke="currentColor" stroke-width="1.5" viewBox="0 0 24 24" style="margin-bottom:10px; opacity:0.5; display:inline-block;">
+                <path d="M4 16l4.586-4.586a2 2 0 012.828 0L16 16m-2-2l1.586-1.586a2 2 0 012.828 0L20 14m-6-6h.01M6 20h12a2 2 0 002-2V6a2 2 0 00-2-2H6a2 2 0 00-2 2v12a2 2 0 002 2z"></path>
+              </svg>
+              <div>Results will appear here</div>
             </div>
-          </div>
-
-          <!-- compare widget -->
-          <div class="compare-wrap" id="compareWrap">
-            <img class="compare-img-base" id="imgSmall" alt="Small Decoder" />
-            <span class="cmp-label cmp-label-right">small_decoder</span>
 
-            <div class="compare-overlay" id="compareOverlay">
-              <img id="imgStandard" alt="Standard Decoder" />
+            <img id="imgStd" class="slider-img" alt="Standard Decoder" />
+            <img id="imgSmall" class="slider-img" alt="Small Decoder" />
+            
+            <div class="slider-labels" id="sliderLabels">
+              <div class="badge">Standard Decoder</div>
+              <div class="badge">Small Decoder</div>
             </div>
-            <span class="cmp-label cmp-label-left">standard_vae</span>
 
-            <div class="compare-handle" id="compareHandle"></div>
-          </div>
+            <div class="slider-handle" id="sliderHandle"></div>
 
-          <!-- loader -->
-          <div class="loader-overlay" id="loaderOverlay">
-            <div class="loader-terminal">
-              <div class="loader-title-bar">
-                <div class="loader-dots">
-                  <div class="loader-dot ld-r"></div>
-                  <div class="loader-dot ld-y"></div>
-                  <div class="loader-dot ld-g"></div>
-                </div>
-                <span class="loader-terminal-title">flux2-inference — running</span>
-              </div>
-              <div class="loader-line">
-                <span class="ll-prefix">$&gt;</span>
-                <span class="loader-spinner">⠋</span>
-                <span id="loaderMsg">spawning parallel pipelines...</span>
-              </div>
-              <div class="loader-line" style="color:var(--cyan); font-size:11px;">
-                <span class="ll-prefix">  </span>
-                standard_vae ──┐
-              </div>
-              <div class="loader-line" style="color:var(--pink); font-size:11px;">
-                <span class="ll-prefix">  </span>
-                small_decoder ─┘ running concurrently
-              </div>
-              <div class="loader-progress">
-                <div class="loader-progress-bar"></div>
-              </div>
+            <div class="loader" id="loader">
+              <div class="spinner"></div>
+              <div style="font-weight: 500;">Running both models...</div>
             </div>
           </div>
         </div>
-
-        <!-- output footer -->
-        <div class="output-footer">
-          <a class="dl-link hidden" id="dlStd" download="standard_decoder.png">
-            ↓ standard
-          </a>
-          <a class="dl-link hidden" id="dlSmall" download="small_decoder.png">
-            ↓ small
-          </a>
-          <span class="footer-seed">seed=<span class="seed-val" id="footerSeed">—</span></span>
-          <span class="footer-device">device=<span class="dev-val">{DEVICE_LABEL}</span></span>
-        </div>
-      </div><!-- /pane-right -->
-    </div><!-- /term-body -->
-
-    <!-- EXAMPLES BOTTOM BAR -->
-    <div class="bottom-bar">
-      <div class="bottom-tab-row">
-        <span class="bottom-tab active">examples</span>
-        <span style="font-size:11px; color:var(--gray2); font-family:var(--font-mono); margin-left:auto;">
-          click a card to load · drag-compare after run
-        </span>
       </div>
-      <div class="examples-scroll" id="examplesScroll"></div>
     </div>
 
-    <!-- STATUS BAR -->
-    <div class="statusbar">
-      <div class="sb-item"><div class="sb-status-dot" id="sbDot"></div><span id="sbText">idle</span></div>
-      <span class="sb-sep">|</span>
-      <div class="sb-item">branch: <strong>main</strong></div>
-      <span class="sb-sep">|</span>
-      <div class="sb-item">model: <strong>flux.2-klein-4b</strong></div>
-      <div class="sb-right">
-        <div class="sb-item">standard_vae + small_decoder</div>
-        <span class="sb-sep">|</span>
-        <div class="sb-item">4-step distilled</div>
-      </div>
+    <div class="examples-section">
+      <h3>Examples</h3>
+      <div class="examples-grid" id="examplesGrid"></div>
     </div>
+  </div>
+
+  <script>
+    const examples = {examples_json};
+    let filesState = [];
+
+    // UI Elements
+    const dropZone = document.getElementById('dropZone');
+    const fileInput = document.getElementById('fileInput');
+    const previewGrid = document.getElementById('previewGrid');
+    const uploadText = document.getElementById('uploadText');
+    const promptInput = document.getElementById('promptInput');
+    const runBtn = document.getElementById('runBtn');
+    
+    // Slider Elements
+    const sliderStage = document.getElementById('sliderStage');
+    const imgStd = document.getElementById('imgStd');
+    const imgSmall = document.getElementById('imgSmall');
+    const sliderHandle = document.getElementById('sliderHandle');
+    const sliderLabels = document.getElementById('sliderLabels');
+    const sliderEmpty = document.getElementById('sliderEmpty');
+    const loader = document.getElementById('loader');
+
+    // Advanced Toggle
+    document.getElementById('advToggle').onclick = function() {{
+      const body = document.getElementById('advBody');
+      body.classList.toggle('open');
+      document.getElementById('advIcon').innerText = body.classList.contains('open') ? '-' : '+';
+    }};
 
-  </div><!-- /terminal -->
-</div><!-- /desktop -->
-
-<script>
-  const examples = {examples_json};
-
-  /* ── state ── */
-  const S = {{ files: [], advOpen: false, running: false }};
-
-  /* ── refs ── */
-  const uploadZone       = document.getElementById('uploadZone');
-  const fileInput        = document.getElementById('fileInput');
-  const uploadPlaceholder= document.getElementById('uploadPlaceholder');
-  const previewContainer = document.getElementById('previewContainer');
-  const previewGrid      = document.getElementById('previewGrid');
-  const previewCount     = document.getElementById('previewCount');
-  const clearImagesBtn   = document.getElementById('clearImagesBtn');
-
-  const promptEl         = document.getElementById('prompt');
-  const seedEl           = document.getElementById('seed');
-  const stepsEl          = document.getElementById('steps');
-  const widthEl          = document.getElementById('width');
-  const heightEl         = document.getElementById('height');
-  const guidanceEl       = document.getElementById('guidance');
-  const randomizeSeedEl  = document.getElementById('randomizeSeed');
-
-  const advToggle        = document.getElementById('advToggle');
-  const advBody          = document.getElementById('advBody');
-  const advChevron       = document.getElementById('advChevron');
-
-  const runBtn           = document.getElementById('runBtn');
-
-  const sliderStage      = document.getElementById('sliderStage');
-  const emptyState       = document.getElementById('emptyState');
-  const compareWrap      = document.getElementById('compareWrap');
-  const imgSmall         = document.getElementById('imgSmall');
-  const imgStandard      = document.getElementById('imgStandard');
-  const compareOverlay   = document.getElementById('compareOverlay');
-  const compareHandle    = document.getElementById('compareHandle');
-
-  const loaderOverlay    = document.getElementById('loaderOverlay');
-  const loaderMsg        = document.getElementById('loaderMsg');
-  const chipSeed         = document.getElementById('chipSeed');
-  const chipStatus       = document.getElementById('chipStatus');
-
-  const dlStd            = document.getElementById('dlStd');
-  const dlSmall          = document.getElementById('dlSmall');
-  const footerSeed       = document.getElementById('footerSeed');
-
-  const examplesScroll   = document.getElementById('examplesScroll');
-  const toastWrap        = document.getElementById('toastWrap');
-
-  const sbDot            = document.getElementById('sbDot');
-  const sbText           = document.getElementById('sbText');
-
-  /* ── spinner frames ── */
-  const spinFrames = ['⠋','⠙','⠹','⠸','⠼','⠴','⠦','⠧','⠇','⠏'];
-  let spinIdx = 0, spinTimer = null;
-
-  function startSpinner() {{
-    spinTimer = setInterval(() => {{
-      const sp = loaderOverlay.querySelector('.loader-spinner');
-      if (sp) sp.textContent = spinFrames[spinIdx++ % spinFrames.length];
-    }}, 80);
-  }}
-
-  function stopSpinner() {{
-    clearInterval(spinTimer);
-  }}
-
-  /* ── toast ── */
-  function toast(msg, type='info') {{
-    const el = document.createElement('div');
-    el.className = 'toast' + (type==='error' ? ' toast-err' : type==='ok' ? ' toast-ok' : '');
-    el.innerHTML = `<span class="toast-prefix">${{type==='error' ? '✗' : '✓'}}</span>
-                    <span class="toast-msg">${{msg}}</span>
-                    <button class="toast-x" onclick="this.parentElement.remove()">×</button>`;
-    toastWrap.appendChild(el);
-    setTimeout(() => el.remove(), 4500);
-  }}
-
-  /* ── status ── */
-  function setRunning(running) {{
-    S.running = running;
-    runBtn.disabled = running;
-    sbDot.className = 'sb-status-dot' + (running ? ' running' : '');
-    sbText.textContent = running ? 'running...' : 'idle';
-    chipStatus.textContent = running ? 'processing...' : (compareWrap.classList.contains('visible') ? 'done' : 'idle');
-    if (running) {{
-      loaderOverlay.classList.add('active');
-      startSpinner();
-    }} else {{
-      loaderOverlay.classList.remove('active');
-      stopSpinner();
-      if (compareWrap.classList.contains('visible')) sbDot.classList.add('done');
-    }}
-  }}
-
-  /* ── advanced ── */
-  advToggle.addEventListener('click', () => {{
-    S.advOpen = !S.advOpen;
-    advBody.classList.toggle('open', S.advOpen);
-    advChevron.classList.toggle('open', S.advOpen);
-  }});
-
-  /* ── file upload ── */
-  function addFiles(fl) {{
-    const valid = Array.from(fl).filter(f => f.type.startsWith('image/'));
-    if (!valid.length) {{ toast('Please upload valid image files.', 'error'); return; }}
-    S.files = [...S.files, ...valid];
-    renderPreviews();
-  }}
-
-  function renderPreviews() {{
-    previewGrid.innerHTML = '';
-    if (!S.files.length) {{
-      previewContainer.style.display = 'none';
-      uploadPlaceholder.style.display = 'flex';
-      return;
-    }}
-    previewContainer.style.display = 'flex';
-    uploadPlaceholder.style.display = 'none';
-    previewCount.textContent = S.files.length;
-
-    S.files.forEach((file, i) => {{
-      const wrap = document.createElement('div');
-      wrap.className = 'thumb';
-
-      const img = document.createElement('img');
-      img.src = URL.createObjectURL(file);
-      img.alt = file.name;
-
-      const ov = document.createElement('div');
-      ov.className = 'thumb-overlay';
-
-      const rm = document.createElement('button');
-      rm.type = 'button';
-      rm.className = 'thumb-rm';
-      rm.innerHTML = '×';
-      rm.addEventListener('click', e => {{
-        e.stopPropagation();
-        S.files.splice(i, 1);
-        renderPreviews();
-      }});
-      ov.appendChild(rm);
-
-      const idx = document.createElement('div');
-      idx.className = 'thumb-idx';
-      idx.textContent = i + 1;
-
-      wrap.appendChild(img);
-      wrap.appendChild(ov);
-      wrap.appendChild(idx);
-      previewGrid.appendChild(wrap);
-    }});
-
-    const addMore = document.createElement('div');
-    addMore.className = 'thumb-add';
-    addMore.title = 'Add more';
-    addMore.textContent = '+';
-    addMore.addEventListener('click', () => fileInput.click());
-    previewGrid.appendChild(addMore);
-  }}
-
-  uploadPlaceholder.addEventListener('click', () => fileInput.click());
-  uploadZone.addEventListener('click', e => {{ if (e.target === uploadZone) fileInput.click(); }});
-  fileInput.addEventListener('change', e => {{ addFiles(e.target.files); fileInput.value = ''; }});
-  uploadZone.addEventListener('dragover', e => {{ e.preventDefault(); uploadZone.classList.add('dragover'); }});
-  uploadZone.addEventListener('dragleave', () => uploadZone.classList.remove('dragover'));
-  uploadZone.addEventListener('drop', e => {{
-    e.preventDefault();
-    uploadZone.classList.remove('dragover');
-    if (e.dataTransfer.files?.length) addFiles(e.dataTransfer.files);
-  }});
-  clearImagesBtn.addEventListener('click', () => {{ S.files = []; renderPreviews(); }});
-
-  /* ── compare slider ── */
-  let dragging = false;
-
-  function setSlider(pct) {{
-    pct = Math.max(0, Math.min(100, pct));
-    compareHandle.style.left = pct + '%';
-    compareOverlay.style.width = pct + '%';
-  }}
-
-  compareHandle.addEventListener('mousedown', e => {{ dragging = true; e.preventDefault(); }});
-  window.addEventListener('mousemove', e => {{
-    if (!dragging) return;
-    const r = compareWrap.getBoundingClientRect();
-    setSlider(((e.clientX - r.left) / r.width) * 100);
-  }});
-  window.addEventListener('mouseup', () => dragging = false);
-
-  compareHandle.addEventListener('touchstart', () => dragging = true, {{passive:true}});
-  window.addEventListener('touchmove', e => {{
-    if (!dragging) return;
-    const r = compareWrap.getBoundingClientRect();
-    setSlider(((e.touches[0].clientX - r.left) / r.width) * 100);
-  }}, {{passive:true}});
-  window.addEventListener('touchend', () => dragging = false);
-
-  /* ── show comparison ── */
-  function showComparison(stdUrl, smallUrl) {{
-    imgSmall.src = smallUrl + '?t=' + Date.now();
-    imgStandard.onload = () => {{
-      emptyState.style.display = 'none';
-      compareWrap.classList.add('visible');
-      setSlider(50);
+    // --- File Upload Logic ---
+    function renderPreviews() {{
+      previewGrid.innerHTML = '';
+      if(filesState.length > 0) {{
+        uploadText.style.display = 'none';
+        previewGrid.style.display = 'grid';
+        dropZone.classList.add('has-files');
+
+        // 1. Render actual thumbnails
+        filesState.forEach((f, i) => {{
+          const div = document.createElement('div');
+          div.className = 'thumb';
+          const img = document.createElement('img');
+          img.src = URL.createObjectURL(f);
+          const btn = document.createElement('button');
+          btn.className = 'thumb-remove';
+          btn.innerText = '×';
+          btn.onclick = (e) => {{ e.stopPropagation(); filesState.splice(i, 1); renderPreviews(); }};
+          div.appendChild(img); div.appendChild(btn);
+          previewGrid.appendChild(div);
+        }});
+
+        // 2. Add the "+" box to append more
+        const addMore = document.createElement('div');
+        addMore.className = 'thumb add-more-btn';
+        addMore.innerText = '+';
+        addMore.onclick = (e) => {{ e.stopPropagation(); fileInput.click(); }};
+        previewGrid.appendChild(addMore);
+
+      }} else {{
+        uploadText.style.display = 'block';
+        previewGrid.style.display = 'none';
+        dropZone.classList.remove('has-files');
+      }}
+    }}
+
+    dropZone.onclick = (e) => {{ if(e.target === dropZone || e.target === uploadText) fileInput.click(); }};
+    fileInput.onchange = (e) => {{ filesState.push(...Array.from(e.target.files)); renderPreviews(); fileInput.value=''; }};
+    dropZone.ondragover = (e) => {{ e.preventDefault(); dropZone.classList.add('dragover'); }};
+    dropZone.ondragleave = () => dropZone.classList.remove('dragover');
+    dropZone.ondrop = (e) => {{
+      e.preventDefault(); dropZone.classList.remove('dragover');
+      if(e.dataTransfer.files.length) {{ filesState.push(...Array.from(e.dataTransfer.files)); renderPreviews(); }}
     }};
-    imgStandard.src = stdUrl + '?t=' + Date.now();
-    dlStd.href = stdUrl;   dlStd.classList.remove('hidden');
-    dlSmall.href = smallUrl; dlSmall.classList.remove('hidden');
-  }}
-
-  /* ── submit ── */
-  async function submit() {{
-    if (S.running) return;
-    const prompt = promptEl.value.trim();
-    if (!prompt) {{ toast('Please enter a prompt.', 'error'); return; }}
-
-    const fd = new FormData();
-    fd.append('prompt', prompt);
-    fd.append('seed', seedEl.value);
-    fd.append('randomize_seed', String(randomizeSeedEl.checked));
-    fd.append('width', widthEl.value);
-    fd.append('height', heightEl.value);
-    fd.append('steps', stepsEl.value);
-    fd.append('guidance_scale', parseFloat(guidanceEl.value).toFixed(1));
-    S.files.forEach(f => fd.append('images', f));
-
-    setRunning(true);
-
-    try {{
-      const res  = await fetch('/api/compare', {{ method: 'POST', body: fd }});
-      const data = await res.json();
-      if (!res.ok || !data.success) throw new Error(data.error || 'Processing failed.');
-
-      showComparison(data.standard.image_url, data.small.image_url);
-      chipSeed.textContent = data.seed;
-      footerSeed.textContent = data.seed;
-      chipStatus.textContent = 'done ✓';
-      toast('Comparison ready — drag the slider to compare!', 'ok');
-    }} catch(err) {{
-      toast(err.message || 'Unexpected error.', 'error');
-    }} finally {{
-      setRunning(false);
-    }}
-  }}
-
-  runBtn.addEventListener('click', submit);
-  promptEl.addEventListener('keydown', e => {{ if (e.ctrlKey && e.key === 'Enter') submit(); }});
-
-  /* ── examples ── */
-  async function fileFromUrl(url, name) {{
-    const res = await fetch(url);
-    if (!res.ok) throw new Error('Failed to fetch example.');
-    const blob = await res.blob();
-    return new File([blob], name, {{ type: blob.type || 'image/jpeg' }});
-  }}
-
-  function renderExamples() {{
-    examplesScroll.innerHTML = '';
-    if (!examples.length) {{
-      examplesScroll.innerHTML = '<span style="font-size:12px;color:var(--gray2);font-family:var(--font-mono);padding:12px;">// no examples found in ./examples/</span>';
-      return;
+
+    // --- Examples Logic ---
+    async function loadExample(urls, filenames, text) {{
+      try {{
+        // Reset state and load all provided files
+        filesState = [];
+        for(let i=0; i<urls.length; i++) {{
+          const res = await fetch(urls[i]);
+          const blob = await res.blob();
+          filesState.push(new File([blob], filenames[i], {{type: blob.type}}));
+        }}
+        renderPreviews();
+        promptInput.value = text;
+        window.scrollTo({{top: 0, behavior: 'smooth'}});
+      }} catch (e) {{ alert('Failed to load example image.'); }}
     }}
-    examples.forEach(item => {{
+
+    const exGrid = document.getElementById('examplesGrid');
+    examples.forEach(ex => {{
       const card = document.createElement('div');
-      card.className = 'example-card';
-
-      const img = document.createElement('img');
-      img.className = 'example-img';
-      img.src = item.url;
-      img.alt = item.file;
-      img.loading = 'lazy';
-
-      const body = document.createElement('div');
-      body.className = 'example-body';
-
-      const p = document.createElement('p');
-      p.className = 'example-prompt';
-      p.textContent = item.prompt;
-
-      const btn = document.createElement('button');
-      btn.type = 'button';
-      btn.className = 'example-use-btn';
-      btn.textContent = '$ load --example';
-
-      btn.addEventListener('click', async e => {{
-        e.stopPropagation();
-        try {{
-          btn.textContent = 'fetching...';
-          btn.disabled = true;
-          const file = await fileFromUrl(item.url, item.file);
-          S.files = [file];
-          renderPreviews();
-          promptEl.value = item.prompt;
-          toast('Example loaded.', 'ok');
-        }} catch(err) {{
-          toast(err.message, 'error');
-        }} finally {{
-          btn.textContent = '$ load --example';
-          btn.disabled = false;
-        }}
-      }});
+      card.className = 'ex-card';
+
+      // Split view logic for multi-image examples
+      let imgHtml = '';
+      if (ex.urls.length > 1) {{
+        const imgs = ex.urls.map(u => `<img src="${{u}}">`).join('');
+        imgHtml = `<div class="ex-card-images">${{imgs}}</div>`;
+      }} else {{
+        imgHtml = `<div class="ex-card-images"><img src="${{ex.urls[0]}}"></div>`;
+      }}
+
+      card.innerHTML = `${{imgHtml}}<p>${{ex.prompt}}</p>`;
+      card.onclick = () => loadExample(ex.urls, ex.files, ex.prompt);
+      exGrid.appendChild(card);
+    }});
 
-      body.appendChild(p);
-      body.appendChild(btn);
-      card.appendChild(img);
-      card.appendChild(body);
-      examplesScroll.appendChild(card);
+    // --- Image Slider Logic ---
+    let isDragging = false;
+    
+    function updateSlider(clientX) {{
+      const rect = sliderStage.getBoundingClientRect();
+      let pos = Math.max(0, Math.min(clientX - rect.left, rect.width));
+      let percent = (pos / rect.width) * 100;
+      
+      sliderHandle.style.left = percent + '%';
+      imgSmall.style.clipPath = `inset(0 ${{100 - percent}}% 0 0)`;
+    }}
+
+    sliderHandle.addEventListener('mousedown', () => isDragging = true);
+    window.addEventListener('mouseup', () => isDragging = false);
+    window.addEventListener('mousemove', (e) => {{
+      if (!isDragging) return;
+      updateSlider(e.clientX);
+    }});
+    
+    sliderHandle.addEventListener('touchstart', () => isDragging = true);
+    window.addEventListener('touchend', () => isDragging = false);
+    window.addEventListener('touchmove', (e) => {{
+      if (!isDragging) return;
+      updateSlider(e.touches[0].clientX);
     }});
-  }}
 
-  /* ── init ── */
-  renderPreviews();
-  renderExamples();
-</script>
+    // --- Form Submission ---
+    runBtn.onclick = async () => {{
+      const prompt = promptInput.value.trim();
+      if(!prompt) return alert("Enter a prompt");
+
+      const fd = new FormData();
+      fd.append('prompt', prompt);
+      fd.append('seed', document.getElementById('seed').value);
+      fd.append('randomize_seed', document.getElementById('randomize').checked);
+      fd.append('width', document.getElementById('width').value);
+      fd.append('height', document.getElementById('height').value);
+      fd.append('steps', document.getElementById('steps').value);
+      fd.append('guidance', document.getElementById('guidance').value);
+      
+      filesState.forEach(f => fd.append('images', f));
+
+      loader.style.display = 'flex';
+      runBtn.disabled = true;
+
+      try {{
+        const res = await fetch('/api/compare', {{ method: 'POST', body: fd }});
+        const data = await res.json();
+        
+        if(data.success) {{
+          imgStd.src = data.std_url + "?t=" + Date.now();
+          imgSmall.src = data.small_url + "?t=" + Date.now();
+          
+          imgStd.onload = () => {{
+            sliderEmpty.style.display = 'none';
+            imgStd.style.display = 'block';
+            imgSmall.style.display = 'block';
+            sliderHandle.style.display = 'block';
+            sliderLabels.style.display = 'flex';
+            
+            const rect = sliderStage.getBoundingClientRect();
+            updateSlider(rect.left + rect.width / 2);
+          }};
+        }} else {{
+          alert('Error: ' + data.error);
+        }}
+      }} catch(e) {{
+        alert('Failed to connect to server.');
+      }} finally {{
+        loader.style.display = 'none';
+        runBtn.disabled = false;
+      }}
+    }};
+  </script>
 </body>
-</html>"""
-
+</html>
+"""
 
 app.launch()