diff --git a/gallery/assets/js/export-manager.js b/gallery/assets/js/export-manager.js
index b60967b..ab221c3 100644
--- a/gallery/assets/js/export-manager.js
+++ b/gallery/assets/js/export-manager.js
@@ -248,14 +248,11 @@ export class ExportManager {
     // Generate a unique temporary filename
     const tempFileName = `export_request_${Date.now()}.json`;
     
-    // Get work directory from config or fallback
-    const workDir = window.galleryConfig?.workDir || '/work/kschmidt/web';
-    
     // Save the request to a JSON file that can be picked up by a Python script
     const requestData = JSON.stringify(payload, null, 2);
-    
+
     // Show improved export instructions with full command
-    this.showExportInstructions(requestData, tempFileName, workDir);
+    this.showExportInstructions(requestData, tempFileName);
   }
 
   /**
@@ -274,9 +271,9 @@ export class ExportManager {
   /**
    * Show export instructions to user
    */
-  showExportInstructions(requestData, tempFileName, workDir) {
+  showExportInstructions(requestData, tempFileName) {
     const tempFilePath = `/tmp/${tempFileName}`;
-    const fullCommand = `echo '${requestData.replace(/'/g, "'\\''")}' > ${tempFilePath} && cd ${workDir} && python export_plots.py ${tempFilePath}`;
+    const fullCommand = `echo '${requestData.replace(/'/g, "'\\''")}' > ${tempFilePath} && python export_plots.py ${tempFilePath}`;
     
     const instructions = `
       <div class="export-instructions">
@@ -304,7 +301,6 @@ export class ExportManager {
           <h4>📋 Command Breakdown:</h4>
           <ul>
             <li><strong>Creates temporary file:</strong> <code>${tempFilePath}</code></li>
-            <li><strong>Changes to work directory:</strong> <code>${workDir}</code></li>
             <li><strong>Runs export script:</strong> <code>python export_plots.py</code></li>
             <li><strong>Output file:</strong> Will be saved in the work directory</li>
           </ul>
diff --git a/gallery/cli.py b/gallery/cli.py
index 4464774..6aa747d 100644
--- a/gallery/cli.py
+++ b/gallery/cli.py
@@ -14,7 +14,10 @@ from pathlib import Path
 import argcomplete
 
 from gallery import generate
-from gallery.config import ConfigManager, GalleryConfig, GallerySource, default_config_path
+from gallery.config import (
+    ConfigManager, GalleryConfig, GallerySource,
+    default_config_path, get_active_config_path, ensure_user_config,
+)
 
 _WELCOME = """\
 Gallery - Scientific Plot Gallery Generator
@@ -67,7 +70,7 @@ def _is_configured(config_path: Path) -> bool:
 def _source_names(prefix, parsed_args, **kwargs):
     """Autocomplete helper: return configured source names."""
     try:
-        config_path = Path(parsed_args.config) if getattr(parsed_args, "config", None) else default_config_path()
+        config_path = Path(parsed_args.config) if getattr(parsed_args, "config", None) else get_active_config_path()
         return [s["name"] for s in ConfigManager(config_path).list_sources()]
     except Exception:
         return []
@@ -76,7 +79,7 @@ def _source_names(prefix, parsed_args, **kwargs):
 def _config_keys(prefix, parsed_args, **kwargs):
     """Autocomplete helper: return known dot-notation config keys."""
     try:
-        config_path = Path(parsed_args.config) if getattr(parsed_args, "config", None) else default_config_path()
+        config_path = Path(parsed_args.config) if getattr(parsed_args, "config", None) else get_active_config_path()
         data = ConfigManager(config_path).list_all()
         keys = []
         for section, values in data.items():
@@ -94,6 +97,7 @@ def _config_keys(prefix, parsed_args, **kwargs):
 # Parser construction  (separated so TUI can reuse the structure)
 # ---------------------------------------------------------------------------
 
+
 def build_parser() -> argparse.ArgumentParser:
     parser = argparse.ArgumentParser(
         prog="gallery",
@@ -135,6 +139,7 @@ def build_parser() -> argparse.ArgumentParser:
     cfg_sub = cfg.add_subparsers(dest="action", metavar="ACTION")
 
     sub.add_parser("install-completion", help="Install shell tab-completion (bash/zsh)")
+    sub.add_parser("tui", help="Launch the interactive TUI")
 
     cfg_sub.add_parser("list", help="Print all config values")
     cfg_sub.add_parser("path", help="Print the resolved config file path")
@@ -149,8 +154,9 @@ def build_parser() -> argparse.ArgumentParser:
 
     p_add = cfg_sub.add_parser("add-source", help="Add a plot source")
     p_add.add_argument("--name", default=None, help="Source name (default: bottom-level directory name)")
-    p_add.add_argument("--path", required=True, metavar="DIR",
-                       help="Path to source directory").completer = argcomplete.completers.DirectoriesCompleter()
+    p_add.add_argument("--path", required=True, metavar="DIR", help="Path to source directory").completer = (
+        argcomplete.completers.DirectoriesCompleter()
+    )
 
     p_rm = cfg_sub.add_parser("remove-source", help="Remove a plot source by name")
     p_rm.add_argument("name", help="Source name to remove").completer = _source_names
@@ -162,8 +168,9 @@ def build_parser() -> argparse.ArgumentParser:
 # Command handlers
 # ---------------------------------------------------------------------------
 
+
 def _run_generate(args: argparse.Namespace) -> int:
-    config_path = Path(args.config) if args.config else default_config_path()
+    config_path = Path(args.config) if args.config else get_active_config_path()
     try:
         config = GalleryConfig.from_yaml(config_path)
 
@@ -179,8 +186,12 @@ def _run_generate(args: argparse.Namespace) -> int:
             else:
                 source_to_update = matching
 
-        success = generate(config=config, clean_first=args.clean, verbose=args.verbose,
-                           source_to_update=source_to_update)
+        success = generate(
+            config=config,
+            clean_first=args.clean,
+            verbose=args.verbose,
+            source_to_update=source_to_update,
+        )
         return 0 if success else 1
 
     except (FileNotFoundError, ValueError) as e:
@@ -192,7 +203,13 @@ def _run_generate(args: argparse.Namespace) -> int:
 
 
 def _run_config(args: argparse.Namespace) -> int:
-    config_path = Path(args.config) if args.config else default_config_path()
+    if args.config:
+        config_path = Path(args.config)
+    elif args.action in ("set", "add-source", "remove-source"):
+        # Writes go to the user config; create it from the template if needed
+        config_path = ensure_user_config()
+    else:
+        config_path = get_active_config_path()
     mgr = ConfigManager(config_path)
 
     if args.action == "path":
@@ -200,6 +217,7 @@ def _run_config(args: argparse.Namespace) -> int:
 
     elif args.action == "list":
         import yaml
+
         print(yaml.dump(mgr.list_all(), default_flow_style=False).rstrip())
 
     elif args.action == "sources":
@@ -280,6 +298,7 @@ def _run_install_completion() -> int:
 # Entry point
 # ---------------------------------------------------------------------------
 
+
 def main():
     parser = build_parser()
     argcomplete.autocomplete(parser)  # no-op when not completing; exits during completion
@@ -291,8 +310,13 @@ def main():
         sys.exit(_run_config(args))
     elif args.command == "install-completion":
         sys.exit(_run_install_completion())
+    elif args.command == "tui":
+        from gallery.tui import GalleryTUI
+        config_path = Path(args.config) if args.config else None
+        GalleryTUI(config_path=config_path).run()
+        sys.exit(0)
     else:
-        print(_WELCOME.format(config_path=default_config_path()))
+        print(_WELCOME.format(config_path=get_active_config_path()))
         sys.exit(0)
 
 
diff --git a/gallery/config/__init__.py b/gallery/config/__init__.py
index 3c029b7..03f3a64 100644
--- a/gallery/config/__init__.py
+++ b/gallery/config/__init__.py
@@ -5,17 +5,50 @@ This module provides dataclasses for managing configuration, including
 defaults for gallery generation settings.
 """
 
+import shutil
 from dataclasses import dataclass, field
 from pathlib import Path
 from typing import Any, Dict, List, Optional, Union
 import yaml
+from platformdirs import user_config_dir
 
 
 def default_config_path() -> Path:
-    """Return the path to the package-bundled default config."""
+    """Return the path to the package-bundled read-only template config."""
     return Path(__file__).parent / "config.yaml"
 
 
+def user_config_path() -> Path:
+    """Return the user-level config path (~/.config/gallery/config.yaml).
+
+    Follows the XDG Base Directory spec via platformdirs:
+      Linux/macOS → ~/.config/gallery/config.yaml
+      Windows     → %APPDATA%/gallery/config.yaml
+    """
+    return Path(user_config_dir("gallery", appauthor=False)) / "config.yaml"
+
+
+def get_active_config_path() -> Path:
+    """Return the config path to use, with this precedence:
+
+      1. User config  (~/.config/gallery/config.yaml)  — if it exists
+      2. Package-bundled template                       — fallback
+    """
+    ucp = user_config_path()
+    return ucp if ucp.exists() else default_config_path()
+
+
+def ensure_user_config() -> Path:
+    """Ensure ~/.config/gallery/config.yaml exists, creating it from the
+    package template if needed.  Returns the path.
+    """
+    ucp = user_config_path()
+    if not ucp.exists():
+        ucp.parent.mkdir(parents=True, exist_ok=True)
+        shutil.copy(default_config_path(), ucp)
+    return ucp
+
+
 def _load_raw(path: Path) -> Dict[str, Any]:
     with open(path, "r") as f:
         return yaml.safe_load(f) or {}
@@ -182,7 +215,6 @@ class GalleryConfig:
 
         data = {
             "paths": {
-                "work_dir": str(Path.cwd()),
                 "web_folder": str(self.web_folder),
             },
             "gallery": {
diff --git a/gallery/templates/gallery.html b/gallery/templates/gallery.html
index 8b82b68..1eacd2a 100644
--- a/gallery/templates/gallery.html
+++ b/gallery/templates/gallery.html
@@ -343,7 +343,6 @@
     window.galleryConfig = {
       searchDebounceMs: {{ ui.search_debounce_ms|default(300) }},
       maxRecentPlots: {{ ui.max_recent_plots|default(20) }},
-      workDir: "{{ paths.work_dir }}",
       stats: {% if stats %}{{ stats|tojson }}{% else %}null{% endif %}
     };
   </script>
diff --git a/gallery/tui.py b/gallery/tui.py
new file mode 100644
index 0000000..824639e
--- /dev/null
+++ b/gallery/tui.py
@@ -0,0 +1,449 @@
+"""
+Gallery TUI — interactive configuration and generation interface.
+
+Built with Textual (https://textual.textualize.io/).
+
+Key Textual concepts used here:
+  App         — the root class; owns the event loop and screen stack
+  compose()   — declarative method that yields widgets to build the UI tree
+  Collapsible — a section that can be expanded/collapsed by the user
+  Input       — single-line editable text field
+  DataTable   — scrollable table with rows/columns
+  Button      — clickable button that emits Button.Pressed messages
+  RichLog     — scrollable log pane that accepts Rich markup
+  reactive    — a descriptor that rerenders the UI whenever its value changes
+  watch_*     — method called automatically when a reactive changes
+  @on         — decorator that binds a method to a specific widget message
+  @work       — decorator that runs a method in a background thread,
+                keeping the UI responsive during long operations
+  call_from_thread() — safely posts a UI update from a background thread
+"""
+
+import subprocess
+import sys
+from pathlib import Path
+
+from textual import on, work
+from textual.app import App, ComposeResult
+from textual.binding import Binding
+from textual.containers import Horizontal, ScrollableContainer, Vertical
+from textual.reactive import reactive
+from textual.widgets import Button, Collapsible, DataTable, Footer, Header, Input, Label, RichLog, Static
+
+from gallery.config import ConfigManager, ensure_user_config, get_active_config_path
+
+# ---------------------------------------------------------------------------
+# Field definitions
+# Each tuple: (widget_id, config_key, required)
+# widget_id is used as the HTML-style id (#web-folder) in CSS selectors
+# ---------------------------------------------------------------------------
+CONFIG_FIELDS = [
+    ("web-folder",    "paths.web_folder",            True),
+    ("plot-root",     "gallery.plot_root",           False),
+    ("png-dpi",       "gallery.png_dpi",             False),
+    ("backup-folder", "gallery.backup_folder",       False),
+    ("cache-enabled", "metadata.cache_enabled",      False),
+    ("inherit-meta",  "metadata.inherit_from_parent",False),
+]
+
+REQUIRED_IDS = {fid for fid, _, req in CONFIG_FIELDS if req}
+
+
+class GalleryTUI(App):
+    """Single-screen TUI for configuring and running the gallery generator."""
+
+    TITLE = "Gallery"
+    SUB_TITLE = "Scientific Plot Gallery Generator"
+
+    # DEFAULT_CSS is Textual's inline stylesheet (TCSS — a CSS subset).
+    # Each rule targets widgets by type, id (#), or class (.).
+    DEFAULT_CSS = """
+    /* Main scrollable area fills all available space */
+    ScrollableContainer {
+        height: 1fr;
+        padding: 0 1;
+    }
+
+    /* Active config file path shown at top */
+    #config-path-label {
+        color: $text-muted;
+        margin-bottom: 1;
+    }
+
+    /* Breathing room between collapsible sections */
+    Collapsible {
+        margin-bottom: 1;
+    }
+
+    /* One-line field rows — 3 cells tall (border + content + border), no gap */
+    .field-row {
+        height: 3;
+        margin-bottom: 0;
+    }
+    .field-row Label {
+        width: 16;
+        padding-top: 1;
+        color: $text-muted;
+    }
+    .field-row Input {
+        width: 1fr;
+        height: 3;
+    }
+
+    /* Red border on required inputs that are empty */
+    .required-empty {
+        border: tall $error;
+    }
+
+    /* Sources table */
+    #sources-table {
+        height: 8;
+        margin-bottom: 1;
+    }
+
+    /* Add-source inline form (hidden by default) */
+    #add-source-form {
+        display: none;
+        height: auto;
+        border: tall $accent;
+        padding: 1;
+        margin-bottom: 1;
+    }
+    #add-source-form.visible {
+        display: block;
+    }
+    #add-source-form Label {
+        color: $text-muted;
+        margin-bottom: 0;
+    }
+    #add-source-form Input {
+        margin-bottom: 1;
+    }
+    #add-source-form Horizontal {
+        height: auto;
+        align: right middle;
+    }
+    #add-source-form Button {
+        margin-left: 1;
+    }
+
+    /* Generate log pane */
+    #generate-log {
+        height: 12;
+    }
+
+    /* Bottom action bar — docked so it is always visible regardless of
+       how tall the ScrollableContainer grows */
+    #footer-bar {
+        dock: bottom;
+        height: 3;
+        align: right middle;
+        padding: 0 1;
+        border-top: solid $accent;
+    }
+    #footer-bar Button {
+        margin-left: 2;
+    }
+
+    /* Dirty indicator shown in subtitle */
+    #dirty-indicator {
+        color: $warning;
+        text-style: bold;
+    }
+    """
+
+    # BINDINGS wires keyboard shortcuts to action_* methods.
+    # Entries with show=True appear in the Footer widget automatically.
+    # ctrl+S (capital S) is how Textual represents Ctrl+Shift+S.
+    BINDINGS = [
+        Binding("ctrl+s", "save_config", "Save Config"),
+        Binding("ctrl+S", "save_config", show=False),  # Ctrl+Shift+S alias
+    ]
+
+    # reactive is a Textual descriptor.  When `dirty` changes value, Textual
+    # automatically calls `watch_dirty()` and re-renders any widget that
+    # depends on it.
+    dirty: reactive[bool] = reactive(False)
+
+    def __init__(self, config_path: Path | None = None):
+        super().__init__()
+        self.config_path = Path(config_path) if config_path else get_active_config_path()
+        self.mgr = ConfigManager(self.config_path)
+        # Local copy of sources so we can diff on save
+        self._sources: list[dict] = []
+
+    # ------------------------------------------------------------------
+    # compose() — builds the widget tree declaratively.
+    # Textual calls this once at startup; yield order = render order.
+    # ------------------------------------------------------------------
+    def compose(self) -> ComposeResult:
+        yield Header()
+
+        with ScrollableContainer():
+            # Config file path — read-only info line
+            yield Static(id="config-path-label")
+
+            # ── Paths ───────────────────────────────────────────────
+            # Collapsible wraps any widgets in a togglable section.
+            with Collapsible(title="Paths", collapsed=False):
+                with Horizontal(classes="field-row"):
+                    yield Label("Web folder")
+                    yield Input(
+                        id="web-folder",
+                        placeholder="required — /path/to/public_html",
+                    )
+
+            # ── Gallery settings ────────────────────────────────────
+            with Collapsible(title="Gallery Settings", collapsed=False):
+                with Horizontal(classes="field-row"):
+                    yield Label("Plot root")
+                    yield Input(id="plot-root", placeholder="gallery")
+                with Horizontal(classes="field-row"):
+                    yield Label("PNG DPI")
+                    yield Input(id="png-dpi", placeholder="400")
+                with Horizontal(classes="field-row"):
+                    yield Label("Backup folder")
+                    yield Input(id="backup-folder", placeholder="leave empty to disable")
+                with Horizontal(classes="field-row"):
+                    yield Label("Cache metadata")
+                    yield Input(id="cache-enabled", placeholder="true")
+                with Horizontal(classes="field-row"):
+                    yield Label("Inherit meta")
+                    yield Input(id="inherit-meta", placeholder="true")
+
+            # ── Sources ─────────────────────────────────────────────
+            with Collapsible(title="Sources", collapsed=False):
+                # DataTable renders a scrollable grid.
+                # Rows are added in on_mount() once the widget exists.
+                yield DataTable(id="sources-table", cursor_type="row")
+                with Horizontal():
+                    yield Button("+ Add Source",     id="add-source-btn",    variant="primary")
+                    yield Button("− Remove Selected", id="remove-source-btn", variant="warning")
+                # Inline add-source form, hidden until user clicks "Add Source"
+                with Vertical(id="add-source-form"):
+                    yield Label("Name  (optional — defaults to directory name)")
+                    yield Input(id="new-name",  placeholder="e.g. my_plots")
+                    yield Label("Path")
+                    yield Input(id="new-path",  placeholder="/absolute/path/to/plots")
+                    with Horizontal():
+                        yield Button("Confirm", id="confirm-add", variant="success")
+                        yield Button("Cancel",  id="cancel-add")
+
+            # ── Generate log ────────────────────────────────────────
+            with Collapsible(title="Generate Log", collapsed=False):
+                # RichLog accepts Rich markup and plain text.
+                # We stream subprocess output here line by line.
+                yield RichLog(id="generate-log", highlight=True, markup=True)
+
+        # Bottom bar — always visible outside the scroll area
+        with Horizontal(id="footer-bar"):
+            yield Static("", id="dirty-indicator")
+            yield Button("Save Config", id="save-btn",     variant="success")
+            yield Button("Generate",    id="generate-btn", variant="primary")
+
+        yield Footer()
+
+    # ------------------------------------------------------------------
+    # on_mount — called once after compose(); safe to query widgets here
+    # ------------------------------------------------------------------
+    def on_mount(self) -> None:
+        self._setup_sources_table()
+        self._load_config_into_fields()
+        self.query_one("#config-path-label", Static).update(
+            f"Config: {self.config_path}"
+        )
+
+    def _setup_sources_table(self) -> None:
+        table: DataTable = self.query_one("#sources-table", DataTable)
+        table.add_columns("Name", "Path")
+
+    def _load_config_into_fields(self) -> None:
+        """Read config file and populate every Input widget."""
+        for widget_id, config_key, _required in CONFIG_FIELDS:
+            try:
+                value = self.mgr.get(config_key)
+                inp: Input = self.query_one(f"#{widget_id}", Input)
+                inp.value = str(value) if value is not None else ""
+            except Exception:
+                pass
+
+        # Validate required fields on load
+        self._validate_required()
+
+        # Populate sources table
+        self._sources = list(self.mgr.list_sources())
+        self._refresh_sources_table()
+
+        # Config is freshly loaded — not dirty yet
+        self.dirty = False
+
+    def _refresh_sources_table(self) -> None:
+        table: DataTable = self.query_one("#sources-table", DataTable)
+        table.clear()
+        for s in self._sources:
+            table.add_row(s.get("name", ""), s.get("path", ""))
+
+    def _validate_required(self) -> None:
+        """Add/remove .required-empty CSS class on required inputs."""
+        for widget_id in REQUIRED_IDS:
+            try:
+                inp: Input = self.query_one(f"#{widget_id}", Input)
+                # add_class / remove_class toggle CSS classes on a widget
+                if not inp.value.strip():
+                    inp.add_class("required-empty")
+                else:
+                    inp.remove_class("required-empty")
+            except Exception:
+                pass
+
+    # ------------------------------------------------------------------
+    # watch_dirty — Textual calls this automatically whenever `dirty` changes.
+    # Naming convention: watch_<reactive_name>
+    # ------------------------------------------------------------------
+    def watch_dirty(self, value: bool) -> None:
+        indicator: Static = self.query_one("#dirty-indicator", Static)
+        indicator.update("● unsaved changes" if value else "")
+
+    # ------------------------------------------------------------------
+    # Event handlers — @on(MessageType, "#widget-id") binds a method to a
+    # specific message from a specific widget (or any widget of that type).
+    # ------------------------------------------------------------------
+
+    @on(Input.Changed)
+    def _on_any_input_changed(self, event: Input.Changed) -> None:
+        """Mark config dirty and re-validate required fields on every keystroke."""
+        self.dirty = True
+        self._validate_required()
+
+    # -- Save ------------------------------------------------------------
+
+    # action_* methods are called by BINDINGS — same name after "action_"
+    def action_save_config(self) -> None:
+        self._save_config()
+
+    @on(Button.Pressed, "#save-btn")
+    def _save_config(self) -> None:
+        """Write all field values back to the config file via ConfigManager.
+
+        On first save the package template is copied to ~/.config/gallery/config.yaml
+        so that the package-bundled file is never modified.
+        """
+        # ensure_user_config() copies the template to ~/.config/gallery/config.yaml
+        # if it doesn't exist yet, then returns that path.
+        self.config_path = ensure_user_config()
+        self.mgr = ConfigManager(self.config_path)
+        self.query_one("#config-path-label", Static).update(f"Config: {self.config_path}")
+
+        for widget_id, config_key, _ in CONFIG_FIELDS:
+            try:
+                inp: Input = self.query_one(f"#{widget_id}", Input)
+                self.mgr.set(config_key, inp.value.strip() or '""')
+            except Exception as exc:
+                self.notify(f"Could not save {config_key}: {exc}", severity="error")
+                return
+
+        # Sync sources: remove all then re-add from in-memory list.
+        # ConfigManager.set("sources", ...) would lose the list structure,
+        # so we use the dedicated source helpers instead.
+        try:
+            for s in self.mgr.list_sources():
+                self.mgr.remove_source(s["name"])
+            for s in self._sources:
+                self.mgr.add_source(s["name"], s["path"])
+        except Exception as exc:
+            self.notify(f"Could not save sources: {exc}", severity="error")
+            return
+
+        self.dirty = False
+        # notify() shows a transient toast message at the bottom of the screen
+        self.notify("Config saved.", severity="information")
+
+    # -- Add source form -------------------------------------------------
+
+    @on(Button.Pressed, "#add-source-btn")
+    def _show_add_form(self) -> None:
+        """Reveal the inline add-source form."""
+        form = self.query_one("#add-source-form")
+        form.add_class("visible")
+        self.query_one("#new-path", Input).focus()
+
+    @on(Button.Pressed, "#cancel-add")
+    def _hide_add_form(self) -> None:
+        form = self.query_one("#add-source-form")
+        form.remove_class("visible")
+        self.query_one("#new-name", Input).value = ""
+        self.query_one("#new-path", Input).value = ""
+
+    @on(Button.Pressed, "#confirm-add")
+    def _confirm_add_source(self) -> None:
+        path_str = self.query_one("#new-path", Input).value.strip()
+        name_str = self.query_one("#new-name", Input).value.strip()
+        if not path_str:
+            self.notify("Path is required.", severity="warning")
+            return
+        name = name_str or Path(path_str).resolve().name
+        if any(s["name"] == name for s in self._sources):
+            self.notify(f"Source '{name}' already exists.", severity="warning")
+            return
+        self._sources.append({"name": name, "path": path_str})
+        self._refresh_sources_table()
+        self._hide_add_form()
+        self.dirty = True
+
+    # -- Remove source ---------------------------------------------------
+
+    @on(Button.Pressed, "#remove-source-btn")
+    def _remove_selected_source(self) -> None:
+        table: DataTable = self.query_one("#sources-table", DataTable)
+        # cursor_row is the index of the highlighted row
+        if table.cursor_row is None or not self._sources:
+            self.notify("Select a row first.", severity="warning")
+            return
+        idx = table.cursor_row
+        if idx < len(self._sources):
+            removed = self._sources.pop(idx)
+            self._refresh_sources_table()
+            self.dirty = True
+            self.notify(f"Removed source '{removed['name']}'.")
+
+    # -- Generate --------------------------------------------------------
+
+    @on(Button.Pressed, "#generate-btn")
+    def _start_generate(self) -> None:
+        log: RichLog = self.query_one("#generate-log", RichLog)
+        log.clear()
+        log.write("[bold green]Starting generation...[/bold green]")
+        # Expand the log collapsible so output is visible
+        for c in self.query(Collapsible):
+            if "Generate Log" in str(c.title):
+                c.collapsed = False
+        self._generate_worker()
+
+    # @work(thread=True) runs the decorated method in a background thread.
+    # Without this, the subprocess call would block the UI event loop and
+    # the screen would freeze until generation finishes.
+    @work(thread=True)
+    def _generate_worker(self) -> None:
+        log: RichLog = self.query_one("#generate-log", RichLog)
+        cmd = [sys.executable, "-m", "gallery.cli", "generate",
+               "--config", str(self.config_path), "--verbose"]
+        try:
+            proc = subprocess.Popen(
+                cmd,
+                stdout=subprocess.PIPE,
+                stderr=subprocess.STDOUT,
+                text=True,
+            )
+            for line in proc.stdout:
+                line = line.rstrip()
+                if line:
+                    # call_from_thread() is required when touching UI widgets
+                    # from a background thread — Textual's event loop is not
+                    # thread-safe, so all UI mutations must go through this.
+                    self.call_from_thread(log.write, line)
+            proc.wait()
+            msg = "[bold green]Done.[/bold green]" if proc.returncode == 0 \
+                  else f"[bold red]Failed (exit {proc.returncode}).[/bold red]"
+            self.call_from_thread(log.write, msg)
+        except Exception as exc:
+            self.call_from_thread(log.write, f"[bold red]Error: {exc}[/bold red]")
diff --git a/gallery/utils/processing.py b/gallery/utils/processing.py
index 927483c..6deb127 100644
--- a/gallery/utils/processing.py
+++ b/gallery/utils/processing.py
@@ -160,7 +160,6 @@ def render_gallery_page(
     output_html = web_dir / "index.html"
     with output_html.open("w") as f:
         paths_dict = {
-            "work_dir": str(Path.cwd()),
             "web_folder": str(config.web_folder),
         }
         ui_dict = {
diff --git a/pyproject.toml b/pyproject.toml
index e147e49..54a457e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,9 @@ dependencies = [
     "Jinja2>=3.0.0",
     "PyYAML>=5.0",
     "argcomplete>=3.0",
+    "platformdirs>=3.0",
     "pytest",
+    "textual>=0.50",
 ]
 
 [project.optional-dependencies]
@@ -66,4 +68,4 @@ line_length = 120
 
 [tool.flake8]
 max-line-length = 120
-extend-ignore = ["E203", "W503"]
\ No newline at end of file
+extend-ignore = ["E203", "W503"]
diff --git a/uv.lock b/uv.lock
index 34fb7e2..ffabb61 100644
--- a/uv.lock
+++ b/uv.lock
@@ -7,7 +7,8 @@ resolution-markers = [
     "python_full_version == '3.11.*'",
     "python_full_version == '3.10.*'",
     "python_full_version == '3.9.*'",
-    "python_full_version < '3.9'",
+    "python_full_version >= '3.8.1' and python_full_version < '3.9'",
+    "python_full_version < '3.8.1'",
 ]
 
 [[package]]
@@ -24,7 +25,8 @@ name = "astroid"
 version = "3.2.4"
 source = { registry = "https://pypi.org/simple" }
 resolution-markers = [
-    "python_full_version < '3.9'",
+    "python_full_version >= '3.8.1' and python_full_version < '3.9'",
+    "python_full_version < '3.8.1'",
 ]
 dependencies = [
     { name = "typing-extensions", version = "4.13.2", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.9'" },
@@ -72,7 +74,8 @@ name = "black"
 version = "24.8.0"
 source = { registry = "https://pypi.org/simple" }
 resolution-markers = [
-    "python_full_version < '3.9'",
+    "python_full_version >= '3.8.1' and python_full_version < '3.9'",
+    "python_full_version < '3.8.1'",
 ]
 dependencies = [
     { name = "click", version = "8.1.8", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.9'" },
@@ -210,7 +213,8 @@ version = "8.1.8"
 source = { registry = "https://pypi.org/simple" }
 resolution-markers = [
     "python_full_version == '3.9.*'",
-    "python_full_version < '3.9'",
+    "python_full_version >= '3.8.1' and python_full_version < '3.9'",
+    "python_full_version < '3.8.1'",
 ]
 dependencies = [
     { name = "colorama", marker = "python_full_version < '3.10' and sys_platform == 'win32'" },
@@ -252,7 +256,8 @@ name = "dill"
 version = "0.4.0"
 source = { registry = "https://pypi.org/simple" }
 resolution-markers = [
-    "python_full_version < '3.9'",
+    "python_full_version >= '3.8.1' and python_full_version < '3.9'",
+    "python_full_version < '3.8.1'",
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/12/80/630b4b88364e9a8c8c5797f4602d0f76ef820909ee32f0bacb9f90654042/dill-0.4.0.tar.gz", hash = "sha256:0633f1d2df477324f53a895b02c901fb961bdbf65a17122586ea7019292cbcf0", size = 186976, upload-time = "2025-04-16T00:41:48.867Z" }
 wheels = [
@@ -295,10 +300,16 @@ source = { editable = "." }
 dependencies = [
     { name = "argcomplete" },
     { name = "jinja2" },
+    { name = "platformdirs", version = "4.3.6", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.9'" },
+    { name = "platformdirs", version = "4.4.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version == '3.9.*'" },
+    { name = "platformdirs", version = "4.9.6", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.10'" },
     { name = "pytest", version = "8.3.5", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.9'" },
     { name = "pytest", version = "8.4.2", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version == '3.9.*'" },
     { name = "pytest", version = "9.0.3", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.10'" },
     { name = "pyyaml" },
+    { name = "textual", version = "0.73.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.8.1'" },
+    { name = "textual", version = "6.2.1", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.8.1' and python_full_version < '3.9'" },
+    { name = "textual", version = "8.2.5", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.9'" },
 ]
 
 [package.optional-dependencies]
@@ -323,10 +334,12 @@ requires-dist = [
     { name = "black", marker = "extra == 'dev'", specifier = ">=22.0" },
     { name = "jinja2", specifier = ">=3.0.0" },
     { name = "mypy", marker = "extra == 'dev'", specifier = ">=0.900" },
+    { name = "platformdirs", specifier = ">=3.0" },
     { name = "pylint", marker = "extra == 'dev'", specifier = ">=2.0" },
     { name = "pytest" },
     { name = "pytest", marker = "extra == 'dev'", specifier = ">=7.0" },
     { name = "pyyaml", specifier = ">=5.0" },
+    { name = "textual", specifier = ">=0.50" },
 ]
 provides-extras = ["dev"]
 
@@ -348,7 +361,8 @@ version = "2.1.0"
 source = { registry = "https://pypi.org/simple" }
 resolution-markers = [
     "python_full_version == '3.9.*'",
-    "python_full_version < '3.9'",
+    "python_full_version >= '3.8.1' and python_full_version < '3.9'",
+    "python_full_version < '3.8.1'",
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/f2/97/ebf4da567aa6827c909642694d71c9fcf53e5b504f2d96afea02718862f3/iniconfig-2.1.0.tar.gz", hash = "sha256:3abbd2e30b36733fee78f9c7f7308f2d0050e88f0087fd25c2645f63c773e1c7", size = 4793, upload-time = "2025-03-19T20:09:59.721Z" }
 wheels = [
@@ -375,7 +389,8 @@ name = "isort"
 version = "5.13.2"
 source = { registry = "https://pypi.org/simple" }
 resolution-markers = [
-    "python_full_version < '3.9'",
+    "python_full_version >= '3.8.1' and python_full_version < '3.9'",
+    "python_full_version < '3.8.1'",
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/87/f9/c1eb8635a24e87ade2efce21e3ce8cd6b8630bb685ddc9cdaca1349b2eb5/isort-5.13.2.tar.gz", hash = "sha256:48fdfcb9face5d58a4f6dde2e72a1fb8dcaf8ab26f95ab49fab84c2ddefb0109", size = 175303, upload-time = "2023-12-13T20:37:26.124Z" }
 wheels = [
@@ -522,12 +537,96 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/7c/f3/c017fe4337e263bac6a38d2768d687c06e82886d6c131c99179063006323/librt-0.10.0-cp39-cp39-win_amd64.whl", hash = "sha256:e45e46ff5fdfc690e77bb8557d5ba56974c4006b744ddbd70cce99fec6bfbeb8", size = 70725, upload-time = "2026-05-05T16:31:22.182Z" },
 ]
 
+[[package]]
+name = "linkify-it-py"
+version = "2.0.3"
+source = { registry = "https://pypi.org/simple" }
+resolution-markers = [
+    "python_full_version == '3.9.*'",
+    "python_full_version >= '3.8.1' and python_full_version < '3.9'",
+    "python_full_version < '3.8.1'",
+]
+dependencies = [
+    { name = "uc-micro-py", version = "1.0.3", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.10'" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/2a/ae/bb56c6828e4797ba5a4821eec7c43b8bf40f69cda4d4f5f8c8a2810ec96a/linkify-it-py-2.0.3.tar.gz", hash = "sha256:68cda27e162e9215c17d786649d1da0021a451bdc436ef9e0fa0ba5234b9b048", size = 27946, upload-time = "2024-02-04T14:48:04.179Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/04/1e/b832de447dee8b582cac175871d2f6c3d5077cc56d5575cadba1fd1cccfa/linkify_it_py-2.0.3-py3-none-any.whl", hash = "sha256:6bcbc417b0ac14323382aef5c5192c0075bf8a9d6b41820a2b66371eac6b6d79", size = 19820, upload-time = "2024-02-04T14:48:02.496Z" },
+]
+
+[[package]]
+name = "linkify-it-py"
+version = "2.1.0"
+source = { registry = "https://pypi.org/simple" }
+resolution-markers = [
+    "python_full_version >= '3.15'",
+    "python_full_version >= '3.12' and python_full_version < '3.15'",
+    "python_full_version == '3.11.*'",
+    "python_full_version == '3.10.*'",
+]
+dependencies = [
+    { name = "uc-micro-py", version = "2.0.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.10'" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/2e/c9/06ea13676ef354f0af6169587ae292d3e2406e212876a413bf9eece4eb23/linkify_it_py-2.1.0.tar.gz", hash = "sha256:43360231720999c10e9328dc3691160e27a718e280673d444c38d7d3aaa3b98b", size = 29158, upload-time = "2026-03-01T07:48:47.683Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/b4/de/88b3be5c31b22333b3ca2f6ff1de4e863d8fe45aaea7485f591970ec1d3e/linkify_it_py-2.1.0-py3-none-any.whl", hash = "sha256:0d252c1594ecba2ecedc444053db5d3a9b7ec1b0dd929c8f1d74dce89f86c05e", size = 19878, upload-time = "2026-03-01T07:48:46.098Z" },
+]
+
+[[package]]
+name = "markdown-it-py"
+version = "3.0.0"
+source = { registry = "https://pypi.org/simple" }
+resolution-markers = [
+    "python_full_version == '3.9.*'",
+    "python_full_version >= '3.8.1' and python_full_version < '3.9'",
+    "python_full_version < '3.8.1'",
+]
+dependencies = [
+    { name = "mdurl", marker = "python_full_version < '3.10'" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/38/71/3b932df36c1a044d397a1f92d1cf91ee0a503d91e470cbd670aa66b07ed0/markdown-it-py-3.0.0.tar.gz", hash = "sha256:e3f60a94fa066dc52ec76661e37c851cb232d92f9886b15cb560aaada2df8feb", size = 74596, upload-time = "2023-06-03T06:41:14.443Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/42/d7/1ec15b46af6af88f19b8e5ffea08fa375d433c998b8a7639e76935c14f1f/markdown_it_py-3.0.0-py3-none-any.whl", hash = "sha256:355216845c60bd96232cd8d8c40e8f9765cc86f46880e43a8fd22dc1a1a8cab1", size = 87528, upload-time = "2023-06-03T06:41:11.019Z" },
+]
+
+[package.optional-dependencies]
+linkify = [
+    { name = "linkify-it-py", version = "2.0.3", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.10'" },
+]
+plugins = [
+    { name = "mdit-py-plugins", version = "0.4.2", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.9'" },
+]
+
+[[package]]
+name = "markdown-it-py"
+version = "4.2.0"
+source = { registry = "https://pypi.org/simple" }
+resolution-markers = [
+    "python_full_version >= '3.15'",
+    "python_full_version >= '3.12' and python_full_version < '3.15'",
+    "python_full_version == '3.11.*'",
+    "python_full_version == '3.10.*'",
+]
+dependencies = [
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+wheels = [
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+]
+
+[package.optional-dependencies]
+linkify = [
+    { name = "linkify-it-py", version = "2.1.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.10'" },
+]
+
 [[package]]
 name = "markupsafe"
 version = "2.1.5"
 source = { registry = "https://pypi.org/simple" }
 resolution-markers = [
-    "python_full_version < '3.9'",
+    "python_full_version >= '3.8.1' and python_full_version < '3.9'",
+    "python_full_version < '3.8.1'",
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 sdist = { url = "https://files.pythonhosted.org/packages/87/5b/aae44c6655f3801e81aa3eef09dbbf012431987ba564d7231722f68df02d/MarkupSafe-2.1.5.tar.gz", hash = "sha256:d283d37a890ba4c1ae73ffadf8046435c76e7bc2247bbb63c00bd1a709c6544b", size = 19384, upload-time = "2024-02-02T16:31:22.863Z" }
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 ]
 
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+name = "mdit-py-plugins"
+version = "0.4.2"
+source = { registry = "https://pypi.org/simple" }
+resolution-markers = [
+    "python_full_version == '3.9.*'",
+    "python_full_version >= '3.8.1' and python_full_version < '3.9'",
+    "python_full_version < '3.8.1'",
+]
+dependencies = [
+    { name = "markdown-it-py", version = "3.0.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.10'" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/19/03/a2ecab526543b152300717cf232bb4bb8605b6edb946c845016fa9c9c9fd/mdit_py_plugins-0.4.2.tar.gz", hash = "sha256:5f2cd1fdb606ddf152d37ec30e46101a60512bc0e5fa1a7002c36647b09e26b5", size = 43542, upload-time = "2024-09-09T20:27:49.564Z" }
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+]
+
+[[package]]
+name = "mdit-py-plugins"
+version = "0.6.0"
+source = { registry = "https://pypi.org/simple" }
+resolution-markers = [
+    "python_full_version >= '3.15'",
+    "python_full_version >= '3.12' and python_full_version < '3.15'",
+    "python_full_version == '3.11.*'",
+    "python_full_version == '3.10.*'",
+]
+dependencies = [
+    { name = "markdown-it-py", version = "4.2.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.10'" },
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+sdist = { url = "https://files.pythonhosted.org/packages/d8/3d/e0e8d9d1cee04f758120915e2b2a3a07eb41f8cf4654b4734788a522bcd1/mdit_py_plugins-0.6.0.tar.gz", hash = "sha256:2436f14a7295837ac9228a36feeabda867c4abc488c8d019ad5c0bda88eee040", size = 56025, upload-time = "2026-05-07T12:20:42.295Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/71/d6/48f5b9e44e2e760855d7b489b1317cd7620e82dcb73197961e5cc1391348/mdit_py_plugins-0.6.0-py3-none-any.whl", hash = "sha256:f7e7a25d8b616fee99cb1e330da73451d11a8061baf39bb9663ab9ce0e005b90", size = 66655, upload-time = "2026-05-07T12:20:41.226Z" },
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+[[package]]
+name = "mdurl"
+version = "0.1.2"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/d6/54/cfe61301667036ec958cb99bd3efefba235e65cdeb9c84d24a8293ba1d90/mdurl-0.1.2.tar.gz", hash = "sha256:bb413d29f5eea38f31dd4754dd7377d4465116fb207585f97bf925588687c1ba", size = 8729, upload-time = "2022-08-14T12:40:10.846Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/b3/38/89ba8ad64ae25be8de66a6d463314cf1eb366222074cfda9ee839c56a4b4/mdurl-0.1.2-py3-none-any.whl", hash = "sha256:84008a41e51615a49fc9966191ff91509e3c40b939176e643fd50a5c2196b8f8", size = 9979, upload-time = "2022-08-14T12:40:09.779Z" },
+]
+
 [[package]]
 name = "mypy"
 version = "1.14.1"
 source = { registry = "https://pypi.org/simple" }
 resolution-markers = [
-    "python_full_version < '3.9'",
+    "python_full_version >= '3.8.1' and python_full_version < '3.9'",
+    "python_full_version < '3.8.1'",
 ]
 dependencies = [
     { name = "mypy-extensions", marker = "python_full_version < '3.9'" },
@@ -890,7 +1034,8 @@ name = "pathspec"
 version = "0.12.1"
 source = { registry = "https://pypi.org/simple" }
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