Update app.py

app.py

@@ -1,8 +1,10 @@
+
 import os
-import io
 import gc
+import io
 import uuid
 import json
+import base64
 import random
 import threading
 import concurrent.futures
@@ -17,9 +19,9 @@ 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
@@ -33,69 +35,78 @@ OUTPUT_DIR.mkdir(exist_ok=True)
 MAX_SEED = np.iinfo(np.int32).max
 MAX_IMAGE_SIZE = 1024
 
-dtype  = torch.bfloat16
-device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
+dtype = torch.bfloat16
+DEVICE = "cuda" if torch.cuda.is_available() else "cpu"
 
 if torch.cuda.is_available():
-    print("current device:", torch.cuda.current_device())
     DEVICE_LABEL = torch.cuda.get_device_name(torch.cuda.current_device()).lower()
 else:
-    DEVICE_LABEL = str(device).lower()
+    DEVICE_LABEL = DEVICE
 
-# --- 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()
+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
+
 
-# --- 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[str], width: int, height: int):
-    if not image_paths:
-        return None
-    
-    resized = []
+
+def parse_and_resize_images(image_paths: list, width: int, height: int):
+    raw_list = []
     for path in image_paths:
         try:
             img = Image.open(path).convert("RGB")
-            resized.append(img.resize((width, height), Image.LANCZOS))
+            raw_list.append(img)
         except Exception as e:
             print(f"Skipping invalid image: {e}")
-            
-    return resized if resized else None
+    if not raw_list:
+        return None
+    return [img.resize((width, height), Image.LANCZOS) for img in raw_list]
+
 
 def run_pipeline(pipe, lock, kwargs, seed):
     with lock:
@@ -103,67 +114,80 @@ def run_pipeline(pipe, lock, kwargs, seed):
         result = pipe(**kwargs, generator=gen).images[0]
     return result
 
-def save_image(img: Image.Image, prefix: str = "output") -> str:
-    filename = f"{prefix}_{uuid.uuid4().hex}.png"
+
+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):
     path = OUTPUT_DIR / filename
-    img.save(path, format="PNG")
-    return filename
+    if not path.exists():
+        return JSONResponse({"error": "File not found"}, status_code=404)
+    return FileResponse(path, filename=filename, media_type="image/png")
+
 
-# --- Inference Function ---
 @spaces.GPU(duration=120)
-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,
-):
+def run_inference(image_paths, prompt, seed, randomize_seed, width, height, steps, guidance_scale):
     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 and len(image_paths) > 0:
+    if image_paths:
         try:
             first_pil = Image.open(image_paths[0]).convert("RGB")
             width, height = calc_dimensions(first_pil)
-            image_list = parse_and_resize_images(image_paths, width, height)
-        except Exception as e:
-            print(f"Error processing upload: {e}")
+        except Exception:
+            pass
+        image_list = parse_and_resize_images(image_paths, width, height)
 
-    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=num_inference_steps,
+        num_inference_steps=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():
@@ -172,51 +196,6 @@ def infer(
     return out_standard, out_small, seed
 
 
-# --- FastAPI Endpoints ---
-def get_example_items():
-    # Explicitly structured dictionary to handle multi-image examples properly
-    return [
-        {
-            "files": ["I1.jpg", "I2.jpg"],
-            "urls": ["/example-file/I1.jpg", "/example-file/I2.jpg"],
-            "prompt": "Make her wear these glasses in Image 2."
-        },
-        {
-            "files": ["1.jpg"],
-            "urls": ["/example-file/1.jpg"],
-            "prompt": "Change the weather to stormy."
-        },
-        {
-            "files": ["2.jpg"],
-            "urls": ["/example-file/2.jpg"],
-            "prompt": "Transform the scene into a snowy winter day while preserving the original subject identity, framing, and composition."
-        },
-        {
-            "files": ["3.jpg"],
-            "urls": ["/example-file/3.jpg"],
-            "prompt": "Relight the image with soft golden sunset lighting while keeping all structures and subject details consistent."
-        },
-        {
-            "files": ["4.jpg"],
-            "urls": ["/example-file/4.jpg"],
-            "prompt": "Make the texture high-resolution."
-        }
-    ]
-
-@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(...),
@@ -225,7 +204,7 @@ async def compare_images(
     width: str = Form("1024"),
     height: str = Form("1024"),
     steps: str = Form("4"),
-    guidance: str = Form("1.0"),
+    guidance_scale: str = Form("1.0"),
     images: Optional[List[UploadFile]] = File(None),
 ):
     temp_paths = []
@@ -233,34 +212,40 @@ 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_path = OUTPUT_DIR / f"upload_{uuid.uuid4().hex}{suffix}"
+                temp_name = f"upload_{uuid.uuid4().hex}{suffix}"
+                temp_path = OUTPUT_DIR / temp_name
                 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))
 
-        result_std, result_small, used_seed = infer(
-            prompt=prompt,
+        out_standard, out_small, used_seed = run_inference(
             image_paths=image_paths,
+            prompt=prompt,
             seed=int(seed),
-            randomize_seed=(randomize_seed.lower() == "true"),
+            randomize_seed=randomize_seed.lower() == "true",
             width=int(width),
             height=int(height),
-            num_inference_steps=int(steps),
-            guidance_scale=float(guidance),
+            steps=int(steps),
+            guidance_scale=float(guidance_scale),
         )
 
-        std_filename = save_image(result_std, prefix="std")
-        small_filename = save_image(result_small, prefix="small")
+        std_filename = save_image(out_standard, prefix="standard")
+        small_filename = save_image(out_small, prefix="small")
 
         return JSONResponse({
             "success": True,
             "seed": used_seed,
-            "std_url": f"/download/{std_filename}",
-            "small_url": f"/download/{small_filename}",
+            "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}",
+            },
             "device": DEVICE_LABEL,
         })
 
@@ -268,555 +253,1729 @@ async def compare_images(
         return JSONResponse({"success": False, "error": str(e)}, status_code=500)
     finally:
         for p in temp_paths:
-            if os.path.exists(p):
-                try: os.remove(p)
-                except: pass
+            try:
+                if os.path.exists(p):
+                    os.remove(p)
+            except Exception:
+                pass
+
 
-# --- 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.2-4B-Decoder-Comparator</title>
-  <link href="https://fonts.googleapis.com/css2?family=Ubuntu:wght@300;400;500;700&display=swap" rel="stylesheet">
+  <meta charset="UTF-8"/>
+  <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
+  <title>FLUX.2 Decoder Comparator — Terminal</title>
   <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 {{
-      --ub-aubergine: #2C001E;
-      --ub-aubergine-dark: #1f0015;
-      --ub-orange: #E95420;
-      --ub-orange-hover: #c4461a;
-      --ub-panel: #3D3D3D;
-      --ub-border: rgba(255,255,255,0.1);
-      --ub-text: #FFFFFF;
-      --ub-muted: #b0b0b0;
-      --ub-input: #2b2b2b;
-      --panel-radius: 8px;
-    }}
-
-    * {{ 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;
+      --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;
       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;
     }}
 
-    .topbar {{
-      background: var(--ub-aubergine-dark);
-      padding: 16px 24px;
-      border-bottom: 1px solid var(--ub-border);
-      text-align: center;
-      font-weight: 700;
-      letter-spacing: 0.5px;
-      color: var(--ub-orange);
+    /* ── 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;
     }}
 
-    .container {{
-      max-width: 1300px;
-      margin: 0 auto;
-      padding: 30px 20px;
-      flex: 1;
-      width: 100%;
+    .tb-buttons {{
+      display: flex;
+      gap: 8px;
+      margin-right: 14px;
     }}
 
-    .header-text {{
+    .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;
       text-align: center;
-      margin-bottom: 30px;
+      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;
+    }}
+
+    .tab.active {{
+      background: var(--term-bg);
+      color: var(--white);
+      border-color: var(--term-border2);
     }}
-    .header-text h1 {{ margin: 0 0 10px 0; font-size: 2.2rem; }}
-    .header-text p {{ color: var(--ub-muted); margin: 0; }}
 
-    /* EQUAL HEIGHT PANELS */
-    .layout {{
+    .tab-dot {{
+      width: 7px;
+      height: 7px;
+      border-radius: 50%;
+      background: var(--gray2);
+    }}
+
+    .tab.active .tab-dot {{ background: var(--green); box-shadow: var(--glow-green); }}
+
+    /* ── body layout ── */
+    .term-body {{
+      flex: 1;
+      min-height: 0;
       display: grid;
-      grid-template-columns: 400px 1fr;
-      gap: 24px;
-      align-items: stretch; /* Forces equal height columns */
+      grid-template-columns: 420px 1fr;
     }}
 
-    .panel {{
-      background: var(--ub-panel);
-      border-radius: var(--panel-radius);
-      box-shadow: 0 8px 24px rgba(0,0,0,0.2);
+    /* ── LEFT PANE (input) ── */
+    .pane-left {{
+      border-right: 1px solid var(--term-border);
       display: flex;
       flex-direction: column;
       overflow: hidden;
     }}
 
-    .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;
+    .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-body {{ 
-      padding: 20px; 
-      flex: 1; /* Fills remaining vertical space */
+    /* ── TERMINAL SECTIONS ── */
+    .term-section {{
       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;
     }}
 
-    /* Input Forms */
-    .form-group {{ margin-bottom: 20px; }}
-    .label {{
-      display: block; font-weight: 500; font-size: 14px;
-      color: var(--ub-muted); margin-bottom: 8px;
+    .term-label::before {{
+      content: '#';
+      color: var(--gray2);
     }}
 
-    .textarea, .input {{
-      width: 100%; background: var(--ub-input); border: 1px solid var(--ub-border);
-      color: var(--ub-text); padding: 12px; border-radius: 4px; outline: none; font-size: 14px;
+    .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);
+      border-radius: 4px;
+      display: flex;
+      align-items: flex-start;
+      padding: 10px 12px;
+      gap: 8px;
+      transition: border-color 0.2s;
     }}
-    .textarea:focus, .input:focus {{ border-color: var(--ub-orange); }}
-    .textarea {{ min-height: 100px; resize: vertical; }}
 
-    /* Upload Zone */
+    .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);
+    }}
+
+    .term-textarea::placeholder {{ color: var(--gray2); }}
+
+    /* upload drop zone */
     .upload-zone {{
-      background: var(--ub-input); border: 1px dashed var(--ub-muted);
-      border-radius: 4px; padding: 16px; text-align: center; cursor: pointer; transition: border-color 0.2s;
+      background: var(--term-win);
+      border: 1px dashed var(--term-border2);
+      border-radius: 4px;
+      cursor: pointer;
+      transition: border-color 0.2s, background 0.2s;
     }}
+
     .upload-zone:hover, .upload-zone.dragover {{
-      border-color: var(--ub-orange); background: rgba(233,84,32,0.05);
+      border-color: var(--orange);
+      background: rgba(233,84,32,0.06);
     }}
+
     .upload-zone input[type="file"] {{ display: none; }}
-    
+
+    .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);
+    }}
+
+    .upload-icon-term {{
+      width: 42px;
+      height: 42px;
+      border: 1px solid var(--term-border2);
+      background: var(--term-chrome);
+      border-radius: 4px;
+      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);
+    }}
+
+    .upload-sub {{
+      font-size: 11px;
+      color: var(--gray2);
+      font-family: var(--font-mono);
+    }}
+
+    /* preview grid */
+    .preview-bar {{
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      padding: 0 2px;
+    }}
+
+    .preview-count {{
+      font-size: 11px;
+      font-family: var(--font-mono);
+      color: var(--green);
+      font-weight: 700;
+    }}
+
+    .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;
+    }}
+
+    .preview-clear-btn:hover {{ border-color: var(--orange); color: var(--orange2); }}
+
     .preview-grid {{
-      display: grid; grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
-      gap: 10px; margin-top: 10px;
+      display: grid;
+      grid-template-columns: repeat(4, 1fr);
+      gap: 6px;
     }}
+
     .thumb {{
-      position: relative; aspect-ratio: 1;
-      border-radius: 4px; overflow: hidden; border: 1px solid var(--ub-border);
-    }}
-    .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;
-    }}
-    
-    /* Plus Box for adding additional images */
-    .add-more-box {{
-      position: relative; aspect-ratio: 1; border-radius: 4px;
-      border: 1px dashed var(--ub-muted); background: rgba(255,255,255,0.03);
-      display: flex; align-items: center; justify-content: center;
-      font-size: 26px; color: var(--ub-muted); cursor: pointer;
+      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;
+    }}
+
+    .thumb:hover {{ border-color: var(--orange); }}
+
+    .thumb img {{
+      width: 100%;
+      height: 100%;
+      object-fit: cover;
+      display: block;
+    }}
+
+    .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;
+    }}
+
+    .thumb:hover .thumb-overlay {{ background: rgba(0,0,0,0.45); }}
+
+    .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;
+    }}
+
+    .thumb:hover .thumb-rm {{ opacity: 1; }}
+
+    .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;
     }}
-    .add-more-box:hover {{
-      border-color: var(--ub-orange); color: var(--ub-orange);
-      background: rgba(233,84,32,0.1);
+
+    .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);
     }}
 
-    /* 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;
+    /* ── 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);
     }}
-    .btn-primary {{
-      background: var(--ub-orange); color: white;
-      box-shadow: 0 4px 12px rgba(233,84,32,0.3);
-      margin-top: auto; /* Pushes button to bottom of the form panel */
+
+    .out-label {{ color: var(--pink); font-weight: 700; font-size: 12px; }}
+
+    .out-meta-chips {{
+      margin-left: auto;
+      display: flex;
+      gap: 8px;
     }}
-    .btn-primary:hover {{ background: var(--ub-orange-hover); }}
-    .btn:disabled {{ opacity: 0.6; cursor: not-allowed; }}
 
-    /* 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; font-size: 14px;
+    .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);
     }}
-    .advanced-body {{ display: none; padding-top: 10px; padding-bottom: 20px; }}
-    .advanced-body.open {{ display: block; }}
-    .grid-2 {{ display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }}
 
-    /* SLIDER CONTAINER */
+    .out-chip .val {{ color: var(--yellow); font-weight: 700; }}
+
+    /* slider stage */
     .slider-stage {{
+      flex: 1;
+      min-height: 0;
       position: relative;
-      width: 100%;
-      flex: 1; /* Stretches inside panel-body */
-      min-height: 550px;
-      background: #111;
-      border-radius: 4px;
-      overflow: hidden;
+      background: #0a0410;
       display: flex;
       align-items: center;
       justify-content: center;
+      overflow: hidden;
     }}
-    .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;
+
+    /* 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;
     }}
-    #imgSmall {{ clip-path: inset(0 50% 0 0); }}
 
-    .slider-handle {{
-      position: absolute; left: 50%; top: 0; bottom: 0;
-      width: 4px; background: var(--ub-orange);
-      cursor: ew-resize; display: none; z-index: 10;
+    .compare-overlay {{
+      position: absolute;
+      top: 0;
+      left: 0;
+      height: 100%;
+      overflow: hidden;
+      pointer-events: none;
     }}
-    .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);
+
+    .compare-overlay img {{
+      display: block;
+      height: 100%;
+      width: 100vw;
+      max-width: none;
+      object-fit: contain;
+      object-position: left center;
     }}
 
-    .slider-labels {{
-      position: absolute; top: 15px; left: 15px; right: 15px;
-      display: none; justify-content: space-between; pointer-events: none; z-index: 5;
+    .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);
     }}
-    .badge {{
-      background: rgba(0,0,0,0.6); color: white; padding: 6px 12px;
-      border-radius: 20px; font-size: 13px; backdrop-filter: blur(4px);
+
+    .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);
     }}
 
-    .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;
+    .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;
     }}
-    .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;
+
+    .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;
     }}
 
-    /* Examples */
-    .examples-section {{ margin-top: 40px; }}
-    .examples-section h3 {{ border-bottom: 1px solid var(--ub-border); padding-bottom: 10px; margin-bottom: 20px; }}
-    .examples-grid {{
-      display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px;
+    .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;
     }}
-    .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;
+
+    .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);
     }}
-    .ex-card:hover {{ transform: translateY(-3px); box-shadow: 0 6px 16px rgba(0,0,0,0.3); }}
-    
-    .multi-img-preview {{
-      display: flex; width: 100%; aspect-ratio: 1; border-bottom: 1px solid var(--ub-border);
+
+    .loader-title-bar {{
+      display: flex;
+      align-items: center;
+      gap: 8px;
+      margin-bottom: 4px;
     }}
-    .multi-img-preview img {{
-      width: 50%; height: 100%; object-fit: cover;
+
+    .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;
     }}
-    .multi-img-preview img:first-child {{ border-right: 1px solid var(--ub-border); }}
-    .single-img-preview img {{
-      width: 100%; aspect-ratio: 1; object-fit: cover; display: block; border-bottom: 1px solid var(--ub-border);
+
+    .loader-line .ll-prefix {{ color: var(--gray2); }}
+
+    .loader-spinner {{
+      display: inline-block;
+      font-size: 16px;
+      animation: spin 0.7s linear infinite;
     }}
-    
-    .ex-card p {{ padding: 12px; margin: 0; font-size: 13px; color: var(--ub-muted); line-height: 1.4; }}
 
     @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) {{
-      .layout {{ grid-template-columns: 1fr; }}
-      .slider-stage {{ min-height: 400px; }}
+      .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="topbar">Flux.2-4B VAE Decoder Comparator</div>
+<div class="toast-wrap" id="toastWrap"></div>
+
+<div class="desktop">
+  <div class="terminal">
 
-  <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>
+    <!-- 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>
 
-    <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" style="padding: 10px 0;">Click or Drag & Drop images here</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>
+              </div>
               <div class="preview-grid" id="previewGrid"></div>
             </div>
           </div>
 
-          <div class="form-group">
-            <label class="label">Prompt</label>
-            <textarea id="promptInput" class="textarea" placeholder="Describe the edit or generation..."></textarea>
+          <!-- 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>
 
-          <button class="advanced-toggle" id="advToggle">
-            <span>Advanced Settings</span> <span id="advIcon" style="font-weight: 700; font-size:18px;">+</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="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; cursor:pointer;">
-                  <input type="checkbox" id="randomize" checked> Randomize Seed
-                </label>
+          <!-- 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>
+              <label class="adv-checkbox">
+                <input type="checkbox" id="randomizeSeed" checked />
+                randomize_seed=True
+              </label>
             </div>
           </div>
 
-          <button class="btn btn-primary" id="runBtn">Run Comparison</button>
+          <!-- 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>
         </div>
-      </div>
 
-      <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;">
-                <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>
+        <!-- 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>
+          </div>
 
-            <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>
+          <!-- 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" />
             </div>
+            <span class="cmp-label cmp-label-left">standard_vae</span>
 
-            <div class="slider-handle" id="sliderHandle"></div>
+            <div class="compare-handle" id="compareHandle"></div>
+          </div>
 
-            <div class="loader" id="loader">
-              <div class="spinner"></div>
-              <div style="font-weight: 500;">Running both models...</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>
           </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>
 
-    <div class="examples-section">
-      <h3>Examples</h3>
-      <div class="examples-grid" id="examplesGrid"></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>
-  </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') ? '-' : '+';
-    }};
-
-    // --- File Upload Logic ---
-    function renderPreviews() {{
-      previewGrid.innerHTML = '';
-      if(filesState.length > 0) {{
-        uploadText.style.display = 'none';
-        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);
-        }});
-        
-        // The dynamic "Add More" (+) Box
-        const addMore = document.createElement('div');
-        addMore.className = 'add-more-box';
-        addMore.innerText = '+';
-        addMore.title = "Add another image";
-        addMore.onclick = (e) => {{ e.stopPropagation(); fileInput.click(); }};
-        previewGrid.appendChild(addMore);
-        
-      }} else {{
-        uploadText.style.display = 'block';
-      }}
-    }}
-
-    dropZone.onclick = (e) => {{ 
-        if(e.target === dropZone || e.target === uploadText || e.target === previewGrid) 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(); }}
-    }};
 
-    // --- Examples Logic ---
-    async function loadExample(urls, filenames, text) {{
-      try {{
-        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 || 'image/jpeg'}}));
-        }}
-        renderPreviews();
-        promptInput.value = text;
-        window.scrollTo({{top: 0, behavior: 'smooth'}});
-      }} catch (e) {{ alert('Failed to load example image.'); }}
+  </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 exGrid = document.getElementById('examplesGrid');
-    examples.forEach(ex => {{
-      const card = document.createElement('div');
-      card.className = 'ex-card';
-      
-      let imgHtml = '';
-      if(ex.urls.length > 1) {{
-         imgHtml = `<div class="multi-img-preview">
-                       ${{ex.urls.map(u => `<img src="${{u}}">`).join('')}}
-                    </div>`;
-      }} else {{
-         imgHtml = `<div class="single-img-preview"><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);
-    }});
+      const idx = document.createElement('div');
+      idx.className = 'thumb-idx';
+      idx.textContent = i + 1;
 
-    // --- 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);
-    }});
-    
-    // Touch support for slider
-    sliderHandle.addEventListener('touchstart', () => isDragging = true);
-    window.addEventListener('touchend', () => isDragging = false);
-    window.addEventListener('touchmove', (e) => {{
-      if (!isDragging) return;
-      updateSlider(e.touches[0].clientX);
+      wrap.appendChild(img);
+      wrap.appendChild(ov);
+      wrap.appendChild(idx);
+      previewGrid.appendChild(wrap);
     }});
 
-    // --- 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;
-          imgSmall.src = data.small_url;
-          
-          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;
-      }}
+    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);
     }};
-  </script>
+    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.forEach(item => {{
+      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;
+        }}
+      }});
+
+      body.appendChild(p);
+      body.appendChild(btn);
+      card.appendChild(img);
+      card.appendChild(body);
+      examplesScroll.appendChild(card);
+    }});
+  }}
+
+  /* ── init ── */
+  renderPreviews();
+  renderExamples();
+</script>
 </body>
-</html>
-"""
+</html>"""
+
 
 app.launch()