src/py/webui/webui.py

@@ -1,7 +1,14 @@
+# --- Imports ---
 import logging
 import yaml
+import subprocess
+import zipfile
+import os
 from pathlib import Path
-from flask import Flask, jsonify, request, send_from_directory, render_template
+from flask import (
+    Flask, jsonify, request, send_from_directory, render_template,
+    send_file, after_this_request
+)
 from src.py.builder.gallery_builder import (
     GALLERY_YAML, load_yaml, save_yaml, update_gallery, update_hero
 )
@@ -19,61 +26,64 @@ app = Flask(
     static_url_path=""
 )
 
+# --- Config paths ---
 SITE_YAML = Path(__file__).resolve().parents[3] / "config" / "site.yaml"
-
-# --- Photos directory (configurable) ---
 PHOTOS_DIR = Path(__file__).resolve().parents[3] / "config" / "photos"
 app.config["PHOTOS_DIR"] = PHOTOS_DIR
 
 # --- Register upload blueprint ---
 app.register_blueprint(upload_bp)
 
-# --- Helper functions for theme editor ---
+# --- Theme editor helper functions ---
 def get_theme_name():
+    """Get current theme name from site.yaml."""
     site_yaml_path = Path(__file__).resolve().parents[3] / "config" / "site.yaml"
     with open(site_yaml_path, "r") as f:
         site_yaml = yaml.safe_load(f)
     return site_yaml.get("build", {}).get("theme", "modern")
 
 def get_theme_yaml(theme_name):
+    """Load theme.yaml for a given theme."""
     theme_yaml_path = Path(__file__).resolve().parents[3] / "config" / "themes" / theme_name / "theme.yaml"
     with open(theme_yaml_path, "r") as f:
         return yaml.safe_load(f)
 
 def save_theme_yaml(theme_name, theme_yaml):
+    """Save theme.yaml for a given theme."""
     theme_yaml_path = Path(__file__).resolve().parents[3] / "config" / "themes" / theme_name / "theme.yaml"
     with open(theme_yaml_path, "w") as f:
         yaml.safe_dump(theme_yaml, f, sort_keys=False, allow_unicode=True)
 
 def get_local_fonts(theme_name):
+    """List local font files for a theme."""
     fonts_dir = Path(__file__).resolve().parents[3] / "config" / "themes" / theme_name / "fonts"
     if not fonts_dir.exists():
         return []
-    # Return full filenames, not just stem
     return [f.name for f in fonts_dir.glob("*") if f.is_file() and f.suffix in [".woff", ".woff2"]]
 
-# --- Routes ---
+# --- ROUTES ---
 
+# --- Main page ---
 @app.route("/")
 def index():
-    """Serve the main HTML page."""
     return render_template("index.html")
 
+# --- Gallery & Hero API ---
 @app.route("/api/gallery", methods=["GET"])
 def get_gallery():
-    """Return JSON list of gallery images from YAML."""
+    """Get gallery images."""
     data = load_yaml(GALLERY_YAML)
     return jsonify(data.get("gallery", {}).get("images", []))
 
 @app.route("/api/hero", methods=["GET"])
 def get_hero():
-    """Return JSON list of hero images from YAML."""
+    """Get hero images."""
     data = load_yaml(GALLERY_YAML)
     return jsonify(data.get("hero", {}).get("images", []))
 
 @app.route("/api/gallery/update", methods=["POST"])
 def update_gallery_api():
-    """Update gallery images in YAML from frontend JSON."""
+    """Update gallery images."""
     images = request.json
     data = load_yaml(GALLERY_YAML)
     data["gallery"]["images"] = images
@@ -82,7 +92,7 @@ def update_gallery_api():
 
 @app.route("/api/hero/update", methods=["POST"])
 def update_hero_api():
-    """Update hero images in YAML from frontend JSON."""
+    """Update hero images."""
     images = request.json
     data = load_yaml(GALLERY_YAML)
     data["hero"]["images"] = images
@@ -91,49 +101,48 @@ def update_hero_api():
 
 @app.route("/api/gallery/refresh", methods=["POST"])
 def refresh_gallery():
-    """Refresh gallery YAML from photos/gallery folder."""
+    """Refresh gallery images from disk."""
     update_gallery()
     return jsonify({"status": "ok"})
 
 @app.route("/api/hero/refresh", methods=["POST"])
 def refresh_hero():
-    """Refresh hero YAML from photos/hero folder."""
+    """Refresh hero images from disk."""
     update_hero()
     return jsonify({"status": "ok"})
 
+# --- Gallery & Hero photo deletion ---
 @app.route("/api/gallery/delete", methods=["POST"])
 def delete_gallery_photo():
-    """Delete a gallery photo from disk and return status."""
+    """Delete a gallery photo."""
     data = request.json
     src = data.get("src")
     file_path = PHOTOS_DIR / "gallery" / src
     if file_path.exists():
         file_path.unlink()
         return {"status": "ok"}
-    return {"error": "File not found"}, 404
+    return {"error": "❌ File not found"}, 404
 
 @app.route("/api/hero/delete", methods=["POST"])
 def delete_hero_photo():
-    """Delete a hero photo from disk and return status."""
+    """Delete a hero photo."""
     data = request.json
     src = data.get("src")
     file_path = PHOTOS_DIR / "hero" / src
     if file_path.exists():
         file_path.unlink()
         return {"status": "ok"}
-    return {"error": "File not found"}, 404
+    return {"error": "❌ File not found"}, 404
 
 @app.route("/api/gallery/delete_all", methods=["POST"])
 def delete_all_gallery_photos():
-    """Delete all gallery photos from disk and YAML."""
+    """Delete all gallery photos."""
     gallery_dir = PHOTOS_DIR / "gallery"
     deleted = 0
-    # Remove all files in gallery folder
     for file in gallery_dir.glob("*"):
         if file.is_file():
             file.unlink()
             deleted += 1
-    # Clear YAML gallery images
     data = load_yaml(GALLERY_YAML)
     data["gallery"]["images"] = []
     save_yaml(data, GALLERY_YAML)
@@ -141,68 +150,69 @@ def delete_all_gallery_photos():
 
 @app.route("/api/hero/delete_all", methods=["POST"])
 def delete_all_hero_photos():
-    """Delete all hero photos from disk and YAML."""
+    """Delete all hero photos."""
     hero_dir = PHOTOS_DIR / "hero"
     deleted = 0
-    # Remove all files in hero folder
     for file in hero_dir.glob("*"):
         if file.is_file():
             file.unlink()
             deleted += 1
-    # Clear YAML hero images
     data = load_yaml(GALLERY_YAML)
     data["hero"]["images"] = []
     save_yaml(data, GALLERY_YAML)
     return jsonify({"status": "ok", "deleted": deleted})
 
+# --- Serve photos ---
 @app.route("/photos/<section>/<path:filename>")
 def photos(section, filename):
-    """Serve uploaded photos from disk for a specific section."""
+    """Serve a photo from a section."""
     return send_from_directory(PHOTOS_DIR / section, filename)
 
 @app.route("/photos/<path:filename>")
 def serve_photo(filename):
-    """Serve uploaded photos from disk (generic)."""
+    """Serve a photo from the photos directory."""
     photos_dir = Path(__file__).resolve().parents[3] / "config" / "photos"
     return send_from_directory(photos_dir, filename)
 
+# --- Site info page & API ---
 @app.route("/site-info")
 def site_info():
-    """Serve the site info editor page."""
+    """Render site info editor page."""
     return render_template("site-info/index.html")
 
 @app.route("/api/site-info", methods=["GET"])
 def get_site_info():
-    """Return the site info YAML as JSON."""
+    """Get site info YAML as JSON."""
     with open(SITE_YAML, "r") as f:
         data = yaml.safe_load(f)
     return jsonify(data)
 
 @app.route("/api/site-info", methods=["POST"])
 def update_site_info():
-    """Update the site info YAML from frontend JSON."""
+    """Update site info YAML."""
     data = request.json
     with open(SITE_YAML, "w") as f:
         yaml.safe_dump(data, f, sort_keys=False, allow_unicode=True)
     return jsonify({"status": "ok"})
 
+# --- Theme management ---
 @app.route("/api/themes")
 def list_themes():
-    """List available themes (folders in config/themes)."""
+    """List available themes."""
     themes_dir = Path(__file__).resolve().parents[3] / "config" / "themes"
     themes = [d.name for d in themes_dir.iterdir() if d.is_dir()]
     return jsonify(themes)
 
+# --- Thumbnail upload/remove ---
 @app.route("/api/thumbnail/upload", methods=["POST"])
 def upload_thumbnail():
-    """Upload a thumbnail image and update site.yaml."""
+    """Upload thumbnail image and update site.yaml."""
     PHOTOS_DIR = app.config["PHOTOS_DIR"]
     file = request.files.get("file")
     if not file:
-        return {"error": "No file provided"}, 400
+        return {"error": "❌ No file provided"}, 400
     filename = "thumbnail.png"
     file.save(PHOTOS_DIR / filename)
-    # Update site.yaml
     with open(SITE_YAML, "r") as f:
         data = yaml.safe_load(f)
     data.setdefault("social", {})["thumbnail"] = filename
@@ -212,13 +222,11 @@ def upload_thumbnail():
 
 @app.route("/api/thumbnail/remove", methods=["POST"])
 def remove_thumbnail():
-    """Remove the thumbnail image and update site.yaml."""
+    """Remove thumbnail image and update site.yaml."""
     PHOTOS_DIR = app.config["PHOTOS_DIR"]
     thumbnail_path = PHOTOS_DIR / "thumbnail.png"
-    # Remove thumbnail file if exists
     if thumbnail_path.exists():
         thumbnail_path.unlink()
-    # Update site.yaml to remove thumbnail key
     with open(SITE_YAML, "r") as f:
         data = yaml.safe_load(f)
     if "social" in data and "thumbnail" in data["social"]:
@@ -227,14 +235,14 @@ def remove_thumbnail():
         yaml.safe_dump(data, f, sort_keys=False, allow_unicode=True)
     return jsonify({"status": "ok"})
 
+# --- Theme upload ---
 @app.route("/api/theme/upload", methods=["POST"])
 def upload_theme():
-    """Upload a custom theme folder and save it in config/themes."""
+    """Upload a custom theme folder."""
     themes_dir = Path(__file__).resolve().parents[3] / "config" / "themes"
     files = request.files.getlist("files")
     if not files:
-        return jsonify({"error": "No files provided"}), 400
+        return jsonify({"error": "❌ No files provided"}), 400
-    # Get folder name from first file's webkitRelativePath
     first_path = files[0].filename
     folder_name = first_path.split("/")[0] if "/" in first_path else "custom"
     theme_folder = themes_dir / folder_name
@@ -246,14 +254,15 @@ def upload_theme():
         file.save(dest_path)
     return jsonify({"status": "ok", "theme": folder_name})
 
-# --- Theme Editor API ---
+# --- Theme editor page & API ---
 @app.route("/theme-editor")
 def theme_editor():
-    """Serve the theme editor page."""
+    """Render theme editor page."""
     return render_template("theme-editor/index.html")
 
 @app.route("/api/theme-info", methods=["GET", "POST"])
 def api_theme_info():
+    """Get or update theme.yaml for current theme."""
     theme_name = get_theme_name()
     if request.method == "GET":
         theme_yaml = get_theme_yaml(theme_name)
@@ -272,25 +281,25 @@ def api_theme_info():
 
 @app.route("/api/local-fonts")
 def api_local_fonts():
+    """List local fonts for a theme."""
     theme_name = request.args.get("theme")
     fonts = get_local_fonts(theme_name)
     return jsonify(fonts)
 
-
+# --- Favicon upload/remove ---
 @app.route("/api/favicon/upload", methods=["POST"])
 def upload_favicon():
-    """Upload favicon to theme folder and update theme.yaml."""
+    """Upload favicon for a theme."""
     theme_name = request.form.get("theme")
     file = request.files.get("file")
     if not file or not theme_name:
-        return jsonify({"error": "Missing file or theme"}), 400
+        return jsonify({"error": "❌ Missing file or theme"}), 400
     ext = Path(file.filename).suffix.lower()
     if ext not in [".png", ".jpg", ".jpeg", ".ico"]:
-        return jsonify({"error": "Invalid file type"}), 400
+        return jsonify({"error": "❌ Invalid file type"}), 400
     filename = "favicon" + ext
     theme_dir = Path(__file__).resolve().parents[3] / "config" / "themes" / theme_name
     file.save(theme_dir / filename)
-    # Update theme.yaml
     theme_yaml_path = theme_dir / "theme.yaml"
     with open(theme_yaml_path, "r") as f:
         theme_yaml = yaml.safe_load(f)
@@ -301,18 +310,16 @@ def upload_favicon():
 
 @app.route("/api/favicon/remove", methods=["POST"])
 def remove_favicon():
-    """Remove favicon from theme folder and update theme.yaml."""
+    """Remove favicon for a theme."""
     data = request.get_json()
     theme_name = data.get("theme")
     if not theme_name:
-        return jsonify({"error": "Missing theme"}), 400
+        return jsonify({"error": "❌ Missing theme"}), 400
     theme_dir = Path(__file__).resolve().parents[3] / "config" / "themes" / theme_name
-    # Remove favicon file
     for ext in [".png", ".jpg", ".jpeg", ".ico"]:
         favicon_path = theme_dir / f"favicon{ext}"
         if favicon_path.exists():
             favicon_path.unlink()
-    # Update theme.yaml
     theme_yaml_path = theme_dir / "theme.yaml"
     with open(theme_yaml_path, "r") as f:
         theme_yaml = yaml.safe_load(f)
@@ -322,21 +329,24 @@ def remove_favicon():
         yaml.safe_dump(theme_yaml, f, sort_keys=False, allow_unicode=True)
     return jsonify({"status": "ok"})
 
+# --- Serve theme assets ---
 @app.route("/themes/<theme>/<filename>")
 def serve_theme_asset(theme, filename):
+    """Serve a theme asset file."""
     theme_dir = Path(__file__).resolve().parents[3] / "config" / "themes" / theme
     return send_from_directory(theme_dir, filename)
 
+# --- Font upload/remove ---
 @app.route("/api/font/upload", methods=["POST"])
 def upload_font():
-    """Upload a font file to the theme's fonts folder (only .woff/.woff2 allowed)."""
+    """Upload a font file for a theme."""
     theme_name = request.form.get("theme")
     file = request.files.get("file")
     if not file or not theme_name:
-        return jsonify({"error": "Missing file or theme"}), 400
+        return jsonify({"error": "❌ Missing theme or font"}), 400
     ext = Path(file.filename).suffix.lower()
     if ext not in [".woff", ".woff2"]:
-        return jsonify({"error": "Invalid font file type"}), 400
+        return jsonify({"error": "❌ Invalid font file type"}), 400
     fonts_dir = Path(__file__).resolve().parents[3] / "config" / "themes" / theme_name / "fonts"
     fonts_dir.mkdir(parents=True, exist_ok=True)
     file.save(fonts_dir / file.filename)
@@ -344,18 +354,90 @@ def upload_font():
 
 @app.route("/api/font/remove", methods=["POST"])
 def remove_font():
-    """Remove a font file from the theme's fonts folder."""
+    """Remove a font file for a theme."""
     data = request.get_json()
     theme_name = data.get("theme")
     font = data.get("font")
     if not theme_name or not font:
-        return jsonify({"error": "Missing theme or font"}), 400
+        return jsonify({"error": "❌ Missing theme or font"}), 400
     fonts_dir = Path(__file__).resolve().parents[3] / "config" / "themes" / theme_name / "fonts"
     font_path = fonts_dir / font
     if font_path.exists():
         font_path.unlink()
         return jsonify({"status": "ok"})
-    return jsonify({"error": "Font not found"}), 404
+    return jsonify({"error": "❌ Font not found"}), 404
+
+# --- Build & Download ZIP ---
+@app.route("/api/build", methods=["POST"])
+def trigger_build():
+    """
+    Validate site.yaml and run build.py.
+    Does NOT create zip here; zip is created on demand in download route.
+    """
+    site_yaml_path = Path(__file__).resolve().parents[3] / "config" / "site.yaml"
+    output_folder = Path(__file__).resolve().parents[3] / "output"
+
+    if not site_yaml_path.exists():
+        return jsonify({"status": "error", "message": "❌ site.yaml not found"}), 400
+
+    with open(site_yaml_path, "r") as f:
+        site_data = yaml.safe_load(f) or {}
+
+    # Dynamically check all main sections and nested keys
+    main_sections = list(site_data.keys())
+    for section in main_sections:
+        value = site_data.get(section)
+        if not value:
+            return jsonify({"status": "error", "message": f"❌ Site info are not set: missing {section}"}), 400
+        if isinstance(value, dict):
+            for k, v in value.items():
+                if v is None or v == "" or (isinstance(v, list) and not v):
+                    return jsonify({"status": "error", "message": f"❌ Site info are not set: missing {section}.{k}"}), 400
+        elif isinstance(value, list):
+            if not value:
+                return jsonify({"status": "error", "message": f"❌ Site info are not set: missing {section}"}), 400
+            for idx, item in enumerate(value):
+                if isinstance(item, dict):
+                    for k, v in item.items():
+                        if v is None or v == "" or (isinstance(v, list) and not v):
+                            return jsonify({"status": "error", "message": f"❌ Site info are not set: missing {section}[{idx}].{k}"}), 400
+                elif item is None or item == "":
+                    return jsonify({"status": "error", "message": f"❌ Site info are not set: missing {section}[{idx}]"}), 400
+        else:
+            if value is None or value == "":
+                return jsonify({"status": "error", "message": f"❌ Site info are not set: missing {section}"}), 400
+
+    try:
+        subprocess.run(["python3", "build.py"], check=True)
+        return jsonify({"status": "ok"})
+    except Exception as e:
+        return jsonify({"status": "error", "message": f"❌ {str(e)}"}), 500
+
+@app.route("/download-output-zip", methods=["POST"])
+def download_output_zip():
+    """
+    Create output zip on demand and send it to the user.
+    Zip is deleted after sending.
+    """
+    output_folder = Path(__file__).resolve().parents[3] / "output"
+    zip_path = Path(__file__).resolve().parents[3] / "site_output.zip"  # Store in lumeex/ root
+
+    # Create zip on demand
+    with zipfile.ZipFile(zip_path, "w") as zipf:
+        for root, dirs, files in os.walk(output_folder):
+            for file in files:
+                file_path = Path(root) / file
+                zipf.write(file_path, file_path.relative_to(output_folder))
+
+    @after_this_request
+    def remove_file(response):
+        try:
+            os.remove(zip_path)
+        except Exception:
+            pass
+        return response
+
+    return send_file(zip_path, as_attachment=True)
 
 # --- Run server ---
 if __name__ == "__main__":

src/webui/gallery-editor/index.html

@@ -10,12 +10,6 @@
   <!-- Top bar -->	
   <div class="nav-bar">
     <div class="content-inner nav">
-      <div class="nav-cta">
-        <div class="arrow">→</div>
-        <a class="button" href="#" target="_blank">
-          <span id="step">🚀 Build !<i class="fa-solid fa-envelope"></i></span>
-        </a>
-      </div>
       <input type="checkbox" id="nav-check">
       <div class="nav-header">
         <div class="nav-title">
@@ -31,9 +25,12 @@
       </div>
       <div class="nav-links">
         <ul class="nav-list">
-          <li class="nav-item appear2"><a href="/site-info">Site info</a></li>
+          <li class="nav-item"><a href="/gallery-editor">Gallery</a>
-          <li class="nav-item appear2"><a href="/theme-editor">Theme info</a></li>
+          <li class="nav-item"><a href="/site-info">Site info</a></li>
-          <li class="nav-item appear2"><a href="#">Gallery</a>
+          <li class="nav-item"><a href="/theme-editor">Theme info</a></li>
+          <li class="nav-item">
+            <button id="build-btn" class="button">Build !</button>
+          </li>
         </ul>
       </div>
     </div>
@@ -73,6 +70,7 @@
     </div>
     <script src="{{ url_for('static', filename='js/main.js') }}" defer></script>
     <script src="{{ url_for('static', filename='js/upload.js') }}" defer></script>
+    <script src="{{ url_for('static', filename='js/build.js') }}" defer></script>
   </div>
   <!-- Delete confirmation modal -->
   <div id="delete-modal" class="modal" style="display:none;">
@@ -86,5 +84,15 @@
       </div>
     </div>
   </div>
+  <!-- Build success modal -->
+  <div id="build-success-modal" class="modal" style="display:none;">
+    <div class="modal-content">
+      <span id="build-success-modal-close" class="modal-close">&times;</span>
+      <h3>✅ Build completed!</h3>
+      <p>Your files are available in the output folder.</p>
+      <button id="download-zip-btn" class="modal-btn">Download ZIP</button>
+      <div id="zip-loader" style="display:none;">Creating ZIP...</div>
+    </div>
+  </div>
 </body>
 </html>

src/webui/js/build.js

@@ -0,0 +1,81 @@
+/**
+ * Show a toast notification.
+ * @param {string} message - The message to display.
+ * @param {string} type - "success" or "error".
+ * @param {number} duration - Duration in ms.
+ */
+function showToast(message, type = "success", duration = 3000) {
+  const container = document.getElementById("toast-container");
+  if (!container) return;
+  const toast = document.createElement("div");
+  toast.className = `toast ${type}`;
+  toast.textContent = message;
+  container.appendChild(toast);
+  requestAnimationFrame(() => toast.classList.add("show"));
+  setTimeout(() => {
+    toast.classList.remove("show");
+    setTimeout(() => container.removeChild(toast), 300);
+  }, duration);
+}
+
+document.addEventListener("DOMContentLoaded", () => {
+  // Get build button and modal elements
+  const buildBtn = document.getElementById("build-btn");
+  const buildModal = document.getElementById("build-success-modal");
+  const buildModalClose = document.getElementById("build-success-modal-close");
+  const downloadZipBtn = document.getElementById("download-zip-btn");
+  const zipLoader = document.getElementById("zip-loader");
+
+  // Handle build button click
+  if (buildBtn) {
+    buildBtn.addEventListener("click", async () => {
+      // Trigger build on backend
+      const res = await fetch("/api/build", { method: "POST" });
+      const result = await res.json();
+      if (result.status === "ok") {
+        // Show build success modal
+        if (buildModal) buildModal.style.display = "flex";
+      } else {
+        showToast(result.message || "❌ Build failed!", "error");
+      }
+    });
+  }
+
+  // Handle download zip button click
+  if (downloadZipBtn) {
+    downloadZipBtn.addEventListener("click", async () => {
+      if (zipLoader) zipLoader.style.display = "block";
+      downloadZipBtn.disabled = true;
+
+      // Request zip creation and download from backend
+      const res = await fetch("/download-output-zip", { method: "POST" });
+      if (res.ok) {
+        const blob = await res.blob();
+        const url = window.URL.createObjectURL(blob);
+        const a = document.createElement("a");
+        a.href = url;
+        a.download = "site_output.zip";
+        document.body.appendChild(a);
+        a.click();
+        a.remove();
+        window.URL.revokeObjectURL(url);
+      } else {
+        showToast("❌ Error creating ZIP", "error");
+      }
+      if (zipLoader) zipLoader.style.display = "none";
+      downloadZipBtn.disabled = false;
+    });
+  }
+
+  // Modal close logic
+  if (buildModal && buildModalClose) {
+    buildModalClose.onclick = () => {
+      buildModal.style.display = "none";
+    };
+    window.onclick = function(event) {
+      if (event.target === buildModal) {
+        buildModal.style.display = "none";
+      }
+    };
+  }
+});

src/webui/js/site-info.js

@@ -63,7 +63,7 @@ document.addEventListener("DOMContentLoaded", () => {
       div.style.gap = "8px";
       div.style.marginBottom = "6px";
       div.innerHTML = `
-        <textarea placeholder="Paragraph" style="flex:1;" data-idx="${idx}">${item.paragraph || ""}</textarea>
+        <textarea placeholder="Paragraph" required style="flex:1;" data-idx="${idx}">${item.paragraph || ""}</textarea>
         <button type="button" class="remove-ip-paragraph" data-idx="${idx}">🗑</button>
       `;
       ipList.appendChild(div);
@@ -129,9 +129,9 @@ document.addEventListener("DOMContentLoaded", () => {
       if (result.status === "ok") {
         if (thumbnailInput) thumbnailInput.value = result.filename;
         updateThumbnailPreview(`/photos/${result.filename}?t=${Date.now()}`);
-        showToast("Thumbnail uploaded!", "success");
+        showToast("✅ Thumbnail uploaded!", "success");
       } else {
-        showToast("Error uploading thumbnail", "error");
+        showToast("❌ Error uploading thumbnail", "error");
       }
     });
   }
@@ -159,9 +159,9 @@ document.addEventListener("DOMContentLoaded", () => {
       if (result.status === "ok") {
         if (thumbnailInput) thumbnailInput.value = "";
         updateThumbnailPreview("");
-        showToast("Thumbnail removed!", "success");
+        showToast("✅ Thumbnail removed!", "success");
       } else {
-        showToast("Error removing thumbnail", "error");
+        showToast("❌ Error removing thumbnail", "error");
       }
       deleteModal.style.display = "none";
     };
@@ -182,7 +182,7 @@ document.addEventListener("DOMContentLoaded", () => {
       const res = await fetch("/api/theme/upload", { method: "POST", body: formData });
       const result = await res.json();
       if (result.status === "ok") {
-        showToast("Theme uploaded!", "success");
+        showToast("✅ Theme uploaded!", "success");
         // Refresh theme select after upload
         fetch("/api/themes")
           .then(res => res.json())
@@ -196,7 +196,7 @@ document.addEventListener("DOMContentLoaded", () => {
             });
           });
       } else {
-        showToast("Error uploading theme", "error");
+        showToast("❌ Error uploading theme", "error");
       }
     });
   }
@@ -311,6 +311,12 @@ document.addEventListener("DOMContentLoaded", () => {
       updateMenuItemsFromInputs();
       updateIpParagraphsFromInputs();
 
+      // Check if thumbnail is set before saving (uploaded or present in input)
+      if (!thumbnailInput || !thumbnailInput.value) {
+        showToast("❌ Thumbnail is required.", "error");
+        return;
+      }
+
       const build = {
         theme: themeSelect ? themeSelect.value : "",
         convert_images: !!(convertImagesCheckbox && convertImagesCheckbox.checked),

src/webui/site-info/index.html

@@ -10,12 +10,6 @@
   <!-- Top bar -->	
   <div class="nav-bar">
     <div class="content-inner nav">
-      <div class="nav-cta">
-        <div class="arrow">→</div>
-        <a class="button" href="#" target="_blank">
-          <span id="step">🚀 Build !<i class="fa-solid fa-envelope"></i></span>
-        </a>
-      </div>
       <input type="checkbox" id="nav-check">
       <div class="nav-header">
         <div class="nav-title">
@@ -31,9 +25,12 @@
       </div>
       <div class="nav-links">
         <ul class="nav-list">
-          <li class="nav-item appear2"><a href="/site-info">Site info</a></li>
+          <li class="nav-item"><a href="/gallery-editor">Gallery</a>
-          <li class="nav-item appear2"><a href="/theme-editor">Theme info</a></li>
+          <li class="nav-item"><a href="/site-info">Site info</a></li>
-          <li class="nav-item appear2"><a href="#">Gallery</a></li>
+          <li class="nav-item"><a href="/theme-editor">Theme info</a></li>
+          <li class="nav-item">
+            <button id="build-btn" class="button">Build !</button>
+          </li>
         </ul>
       </div>
     </div>
@@ -81,9 +78,10 @@
             <label>Instagram URL</label>
             <input type="text" name="social.instagram_url" placeholder="https://instagram.com/yourprofile" required>
             <label class="thumbnail-form-label">Thumbnail</label>
-            <input type="file" id="thumbnail-upload" accept="image/png,image/jpeg,image/webp" style="display:none;" required>
+            <input type="file" id="thumbnail-upload" accept="image/png,image/jpeg,image/webp" style="display:none;">
             <button type="button" id="choose-thumbnail-btn" class="up-btn">📸 Upload a photo</button>
             <div class="thumbnail-form">
+            <input type="hidden" name="social.thumbnail" id="social-thumbnail">
             <img id="thumbnail-preview" src="" alt="Thumbnail preview" style="max-width:100px;display:none;">
             <button type="button" id="remove-thumbnail-btn" class="remove-btn up-btn danger" style="display:none;">Remove</button>
             </div>
@@ -120,15 +118,15 @@
         <div class="fields">
           <div class="input-field">
             <label>Hoster Name</label>
-            <input type="text" name="legals.hoster_name" placeholder="Name">
+            <input type="text" name="legals.hoster_name" placeholder="Name" required>
           </div>
           <div class="input-field">
             <label>Hoster Address</label>
-            <input type="text" name="legals.hoster_address" placeholder="Street, Postal Code, City, Country">
+            <input type="text" name="legals.hoster_address" placeholder="Street, Postal Code, City, Country" required>
           </div>
           <div class="input-field">
             <label>Hoster Contact</label>
-            <input type="text" name="legals.hoster_contact" placeholder="Email or/and Phone">
+            <input type="text" name="legals.hoster_contact" placeholder="Email or/and Phone" required>
           </div>
           <div class="input-field" style="flex: 1 1 100%;">
             <label>Intellectual Property</label>
@@ -173,6 +171,17 @@
       </div>
     </div>
   </div>
+  <!-- Build success modal -->
+  <div id="build-success-modal" class="modal" style="display:none;">
+    <div class="modal-content">
+      <span id="build-success-modal-close" class="modal-close">&times;</span>
+      <h3>✅ Build completed!</h3>
+      <p>Your files are available in the output folder.</p>
+      <button id="download-zip-btn" class="modal-btn">Download ZIP</button>
+      <div id="zip-loader" style="display:none;">Creating ZIP...</div>
+    </div>
+  </div>
 <script src="{{ url_for('static', filename='js/site-info.js')}}"></script>
+<script src="{{ url_for('static', filename='js/build.js') }}"></script>
 </body>
 </html>

src/webui/style/style.css

@@ -7,6 +7,7 @@ body {
   color: #FBFBFB;
   min-height: 100vh;
   margin:0px;
+  padding-top: 70px;
 }
 
 .content-inner {
@@ -256,11 +257,13 @@ h2 {
 }
 
 .nav-bar {
-  height: 70px;
+  position: fixed;
+  top: 0;
+  left: 0;
   width: 100%;
+  height: 70px;
   background-color: #0c0d0c29;
-  position: relative;
+  z-index: 1000;
-  z-index: 1;
   backdrop-filter: blur(20px);
   border-bottom: 1px solid #21212157;
 }
@@ -287,6 +290,15 @@ h2 {
   display: none;
 }
 
+.nav-btn label {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  cursor: pointer;
+  width: 32px;
+  height: 32px;
+}
+
 .nav > .nav-links {
   display: inline;
   float: right;
@@ -345,7 +357,7 @@ h2 {
   font-weight: 700;
 }
 
-.nav-cta > .button {
+.nav-bar .button {
   padding: 10px 25px;
   border-radius: 40px;
   margin: 15px 20px 15px 10px;
@@ -356,17 +368,29 @@ h2 {
   text-decoration: none;
   color: #fff;
   font-weight: 700;
+  border: none;
+  cursor: pointer;
 }
 
-.nav-cta > .button:hover {
+.nav-bar .button:hover {
   background: linear-gradient(135deg, #72d9ff, #26657e);
   transition: all 0.2s ease;
+  cursor: pointer;
 }
 
 .nav-links > ul {
   display: inline-block;
 }
 
+.nav-btn span {
+  display: block;
+  height: 4px;
+  width: 28px;
+  background: #fff;
+  margin: 4px 0;
+  border-radius: 2px;
+  transition: all 0.3s;
+}
 /* --- Custom Upload Buttons --- */
 .up-btn {
   display: inline-block;

src/webui/theme-editor/index.html

@@ -10,16 +10,10 @@
   <!-- Top bar -->	
   <div class="nav-bar">
     <div class="content-inner nav">
-      <div class="nav-cta">
-        <div class="arrow">→</div>
-        <a class="button" href="/site-info">
-          <span id="step">← Back to Site Info</span>
-        </a>
-      </div>
       <input type="checkbox" id="nav-check">
       <div class="nav-header">
         <div class="nav-title">
-          <img src="../img/logo.svg">
+          <img src="{{ url_for('static', filename='img/logo.svg') }}">
         </div>
       </div>
       <div class="nav-btn">
@@ -31,9 +25,12 @@
       </div>
       <div class="nav-links">
         <ul class="nav-list">
-          <li class="nav-item appear2"><a href="/site-info">Site info</a></li>
+          <li class="nav-item"><a href="/gallery-editor">Gallery</a>
-          <li class="nav-item appear2"><a href="/theme-editor">Theme editor</a></li>
+          <li class="nav-item"><a href="/site-info">Site info</a></li>
-          <li class="nav-item appear2"><a href="#">Gallery</a></li>
+          <li class="nav-item"><a href="/theme-editor">Theme info</a></li>
+          <li class="nav-item">
+            <button id="build-btn" class="button">Build !</button>
+          </li>
         </ul>
       </div>
     </div>
@@ -197,6 +194,17 @@
       </div>
     </div>
   </div>
+  <!-- Build success modal -->
+  <div id="build-success-modal" class="modal" style="display:none;">
+    <div class="modal-content">
+      <span id="build-success-modal-close" class="modal-close">&times;</span>
+      <h3>✅ Build completed!</h3>
+      <p>Your files are available in the output folder.</p>
+      <button id="download-zip-btn" class="modal-btn">Download ZIP</button>
+      <div id="zip-loader" style="display:none;">Creating ZIP...</div>
+    </div>
+  </div>
   <script src="{{ url_for('static', filename='js/theme-editor.js') }}"></script>
+  <script src="{{ url_for('static', filename='js/build.js') }}"></script>
 </body>
 </html>