feat: add compact Toolbox tiles and details overlay

.env.example

@@ -4,5 +4,5 @@ TRAEFIK_NETWORK=internal
 TRAEFIK_CERT_RESOLVER=netcup
 
 # Keep these two values paired when deploying a newer published toolbox release.
-TOOLBOX_RELEASE_VERSION=0.4.2
+TOOLBOX_RELEASE_VERSION=0.4.3
-TOOLBOX_RELEASE_SHA256=20c1eacbcf03a9c8f0beeb53d2326a963e54dd9ca93e4f0118f95f10aec45389
+TOOLBOX_RELEASE_SHA256=0c26315c987f7ef6d025c66c21e25999786ede3e971b66495c856117e0b7c522

Containerfile.release

@@ -2,8 +2,8 @@ ARG NGINX_IMAGE=nginxinc/nginx-unprivileged:1.31.3-alpine@sha256:18d67281256ded3
 
 FROM ${NGINX_IMAGE} AS release
 
-ARG TOOLBOX_RELEASE_VERSION=0.4.2
+ARG TOOLBOX_RELEASE_VERSION=0.4.3
-ARG TOOLBOX_RELEASE_SHA256=20c1eacbcf03a9c8f0beeb53d2326a963e54dd9ca93e4f0118f95f10aec45389
+ARG TOOLBOX_RELEASE_SHA256=0c26315c987f7ef6d025c66c21e25999786ede3e971b66495c856117e0b7c522
 ARG TOOLBOX_RELEASE_BASE_URL=https://git.add-ideas.de/zemion/toolbox-portal/releases/download
 
 RUN set -eu; \

README.md

@@ -1,8 +1,8 @@
 # add·ideas Toolbox Portal
 
 `toolbox-portal` is the static launcher and release assembler for the add·ideas
-browser toolbox. Version `0.2.2` reads one same-origin catalogue, shows each app
+browser toolbox. Version `0.2.3` reads one same-origin catalogue, shows each app
-as a full-page launch tile, and keeps personal pins, drag-and-drop ordering,
+as a compact launch tile, and keeps personal pins, drag-and-drop ordering,
 visibility, and appearance in the current browser. Pinned tools have their own
 section; search, category, and clickable tag filters stay close to the tool
 list.
@@ -68,7 +68,7 @@ privacy and executable-code warning. Light, dark, and system modes are supported
 ## Production deployment behind Traefik
 
 The committed `compose.yaml` is the shortest production path. Its release
-container downloads the immutable Toolbox 0.4.2 ZIP during the image build,
+container downloads the immutable Toolbox 0.4.3 ZIP during the image build,
 verifies SHA-256 before extracting it, and then copies only the verified static
 files into the pinned unprivileged nginx image. Node.js and a local portal
 assembly are not required on the deployment host.
@@ -119,8 +119,8 @@ The app release should also publish a matching `.sha256` sidecar. The manifest
 must declare the pinned reverse-DNS id and version. Application and portal
 versions are independent.
 
-`release/toolbox.lock.json` is the reviewed v0.4.2 lock. Its URLs and checksums
+`release/toolbox.lock.json` is the reviewed v0.4.3 lock. Its URLs and checksums
-pin the published PDF Tools 0.4.2, XSLT Tools 0.4.2, and OneNote Tools 0.3.2
+pin the published PDF Tools 0.4.3, XSLT Tools 0.4.2, and OneNote Tools 0.3.3
 release bytes. Use
 `release/toolbox.lock.example.json` as the template for a future release and
 verify every downloaded asset before committing updated values. Artifacts may be:
@@ -142,7 +142,7 @@ npm run assemble -- \
   --lock release/toolbox.lock.json \
   --portal-dist dist \
   --output build/toolbox \
-  --archive build/add-ideas-toolbox-0.4.2.zip
+  --archive build/add-ideas-toolbox-0.4.3.zip
 ```
 
 Existing output is refused. Pass `--force` only when replacing those exact
@@ -162,8 +162,8 @@ build/toolbox/
     ├── xslt/
     └── onenote/
 
-build/add-ideas-toolbox-0.4.2.zip
+build/add-ideas-toolbox-0.4.3.zip
-build/add-ideas-toolbox-0.4.2.zip.sha256
+build/add-ideas-toolbox-0.4.3.zip.sha256
 ```
 
 The assembler verifies SHA-256 before opening an artifact, validates every app
@@ -184,7 +184,7 @@ directory separately:
 ```sh
 npm run package:static -- \
   --input build/toolbox \
-  --output artifacts/add-ideas-toolbox-0.4.2.zip
+  --output artifacts/add-ideas-toolbox-0.4.3.zip
 ```
 
 This also emits a `.sha256` sidecar.
@@ -201,9 +201,9 @@ normal local XML/XSLT transformations do not require that permission.
 
 ```sh
 podman build -f Containerfile \
-  -t git.add-ideas.de/zemion/toolbox:0.4.2 .
+  -t git.add-ideas.de/zemion/toolbox:0.4.3 .
 podman run --rm -p 8080:8080 \
-  git.add-ideas.de/zemion/toolbox:0.4.2
+  git.add-ideas.de/zemion/toolbox:0.4.3
 ```
 
 For a direct-port local deployment after assembly, use the separate example:
@@ -220,7 +220,7 @@ docker login git.add-ideas.de
 docker buildx build \
   --platform linux/amd64,linux/arm64 \
   --file Containerfile.release \
-  --tag git.add-ideas.de/zemion/toolbox:0.4.2 \
+  --tag git.add-ideas.de/zemion/toolbox:0.4.3 \
   --tag git.add-ideas.de/zemion/toolbox:0.4 \
   --push .
 ```
@@ -246,8 +246,8 @@ permission to push code, releases, and container packages.
    all three apps, switch between them, and confirm the encoded `toolbox`
    context.
 5. Verify the distribution with
-   `(cd build && sha256sum -c add-ideas-toolbox-0.4.2.zip.sha256)`.
+   `(cd build && sha256sum -c add-ideas-toolbox-0.4.3.zip.sha256)`.
-6. Commit the reviewed lock, tag the toolbox release (for example `v0.4.2`), and
+6. Commit the reviewed lock, tag the toolbox release (for example `v0.4.3`), and
    push the branch and tag to Gitea.
 7. In Gitea, open **Releases → New release**, select the tag, and upload the
    static ZIP plus its `.sha256` file. Do not use a mutable “latest” URL in a

compose.example.yaml

@@ -3,7 +3,7 @@ services:
     build:
       context: .
       dockerfile: Containerfile
-    image: git.add-ideas.de/zemion/toolbox:0.4.2
+    image: git.add-ideas.de/zemion/toolbox:0.4.3
     restart: unless-stopped
     read_only: true
     ports:

compose.yaml

@@ -6,9 +6,9 @@ services:
       context: .
       dockerfile: Containerfile.release
       args:
-        TOOLBOX_RELEASE_VERSION: "${TOOLBOX_RELEASE_VERSION:-0.4.2}"
+        TOOLBOX_RELEASE_VERSION: "${TOOLBOX_RELEASE_VERSION:-0.4.3}"
-        TOOLBOX_RELEASE_SHA256: "${TOOLBOX_RELEASE_SHA256:-20c1eacbcf03a9c8f0beeb53d2326a963e54dd9ca93e4f0118f95f10aec45389}"
+        TOOLBOX_RELEASE_SHA256: "${TOOLBOX_RELEASE_SHA256:-0c26315c987f7ef6d025c66c21e25999786ede3e971b66495c856117e0b7c522}"
-    image: "git.add-ideas.de/zemion/toolbox:${TOOLBOX_RELEASE_VERSION:-0.4.2}"
+    image: "git.add-ideas.de/zemion/toolbox:${TOOLBOX_RELEASE_VERSION:-0.4.3}"
     restart: unless-stopped
     read_only: true
     tmpfs:

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "@add-ideas/toolbox-portal",
-  "version": "0.2.2",
+  "version": "0.2.3",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@add-ideas/toolbox-portal",
-      "version": "0.2.2",
+      "version": "0.2.3",
       "license": "AGPL-3.0-only",
       "dependencies": {
         "@add-ideas/toolbox-contract": "^0.2.2",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@add-ideas/toolbox-portal",
-  "version": "0.2.2",
+  "version": "0.2.3",
   "license": "AGPL-3.0-only",
   "private": true,
   "type": "module",

public/SOURCE.md

@@ -1,8 +1,8 @@
 # Corresponding source
 
-The source code corresponding to add·ideas Toolbox Portal 0.2.2 is available at:
+The source code corresponding to add·ideas Toolbox Portal 0.2.3 is available at:
 
-https://git.add-ideas.de/zemion/toolbox-portal/src/tag/v0.4.2
+https://git.add-ideas.de/zemion/toolbox-portal/src/tag/v0.4.3
 
 Each bundled application contains its own `SOURCE.md`, license, and third-party
 license materials. The application sources are also linked from the portal.

release/toolbox.lock.example.json

@@ -1,8 +1,8 @@
 {
   "$schema": "./toolbox-release-lock.schema.json",
   "schemaVersion": 1,
-  "releaseVersion": "0.4.2",
+  "releaseVersion": "0.4.3",
-  "portalVersion": "0.2.2",
+  "portalVersion": "0.2.3",
   "catalogue": {
     "id": "de.add-ideas.toolbox",
     "name": "add·ideas Toolbox",
@@ -15,9 +15,9 @@
   "apps": [
     {
       "id": "de.add-ideas.pdf-tools",
-      "version": "0.4.2",
+      "version": "0.4.3",
-      "artifact": "https://git.add-ideas.de/zemion/pdf-tools/releases/download/v0.4.2/pdf-tools-0.4.2.zip",
+      "artifact": "https://git.add-ideas.de/zemion/pdf-tools/releases/download/v0.4.3/pdf-tools-0.4.3.zip",
-      "sha256": "ebb6711e149a59abf51eddc0927debba9118205bde91faf7dded132478bc23d0",
+      "sha256": "f2dfd3bade49a4b8be9c0c54c6c2bf1bbb153fc0505a38af14de5ab52d5183cf",
       "target": "pdf"
     },
     {
@@ -29,9 +29,9 @@
     },
     {
       "id": "de.add-ideas.onenote-tools",
-      "version": "0.3.2",
+      "version": "0.3.3",
-      "artifact": "https://git.add-ideas.de/zemion/onenote-tools/releases/download/v0.3.2/onenote-tools-0.3.2.zip",
+      "artifact": "https://git.add-ideas.de/zemion/onenote-tools/releases/download/v0.3.3/onenote-tools-0.3.3.zip",
-      "sha256": "c07e6909ae57bd7681f26ec29c7a4e927b6919123ef9e28aa2d8c55b842b65d2",
+      "sha256": "37c0ef7cdc7f435d0d4f5a341523f4e522118d5b258c374b5a7ef7b8e6c27cec",
       "target": "onenote"
     }
   ]

release/toolbox.lock.json

@@ -1,8 +1,8 @@
 {
   "$schema": "./toolbox-release-lock.schema.json",
   "schemaVersion": 1,
-  "releaseVersion": "0.4.2",
+  "releaseVersion": "0.4.3",
-  "portalVersion": "0.2.2",
+  "portalVersion": "0.2.3",
   "catalogue": {
     "id": "de.add-ideas.toolbox",
     "name": "add·ideas Toolbox",
@@ -15,9 +15,9 @@
   "apps": [
     {
       "id": "de.add-ideas.pdf-tools",
-      "version": "0.4.2",
+      "version": "0.4.3",
-      "artifact": "https://git.add-ideas.de/zemion/pdf-tools/releases/download/v0.4.2/pdf-tools-0.4.2.zip",
+      "artifact": "https://git.add-ideas.de/zemion/pdf-tools/releases/download/v0.4.3/pdf-tools-0.4.3.zip",
-      "sha256": "ebb6711e149a59abf51eddc0927debba9118205bde91faf7dded132478bc23d0",
+      "sha256": "f2dfd3bade49a4b8be9c0c54c6c2bf1bbb153fc0505a38af14de5ab52d5183cf",
       "target": "pdf"
     },
     {
@@ -29,9 +29,9 @@
     },
     {
       "id": "de.add-ideas.onenote-tools",
-      "version": "0.3.2",
+      "version": "0.3.3",
-      "artifact": "https://git.add-ideas.de/zemion/onenote-tools/releases/download/v0.3.2/onenote-tools-0.3.2.zip",
+      "artifact": "https://git.add-ideas.de/zemion/onenote-tools/releases/download/v0.3.3/onenote-tools-0.3.3.zip",
-      "sha256": "c07e6909ae57bd7681f26ec29c7a4e927b6919123ef9e28aa2d8c55b842b65d2",
+      "sha256": "37c0ef7cdc7f435d0d4f5a341523f4e522118d5b258c374b5a7ef7b8e6c27cec",
       "target": "onenote"
     }
   ]

scripts/assembler.test.ts

@@ -83,7 +83,7 @@ function makeLock(artifact: string, sha256: string) {
   return {
     schemaVersion: 1,
     releaseVersion: '0.1.0',
-    portalVersion: '0.2.2',
+    portalVersion: '0.2.3',
     catalogue: {
       id: 'de.add-ideas.toolbox',
       name: 'Test Toolbox',

src/App.test.tsx

@@ -13,35 +13,48 @@ import { catalogue, catalogueFetch } from './test/fixtures';
 
 afterEach(() => vi.unstubAllGlobals());
 
+function toolLink(name: string) {
+  return screen.getByRole('link', { name: `Open ${name}` });
+}
+
+function queryToolLink(name: string) {
+  return screen.queryByRole('link', { name: `Open ${name}` });
+}
+
+function findToolLink(name = 'PDF Workbench') {
+  return screen.findByRole('link', { name: `Open ${name}` });
+}
+
 describe('portal UI', () => {
-  it('renders app cards and persists accessible pin/hide controls', async () => {
+  it('renders compact actionable tiles and persists pin/hide controls', async () => {
     vi.stubGlobal('fetch', vi.fn(catalogueFetch()));
     const user = userEvent.setup();
     render(<App />);
+    const launch = await findToolLink();
+    const card = screen.getByTestId('app-card-de.add-ideas.pdf-tools');
+    expect(within(card).getByRole('heading', { level: 3 })).toHaveTextContent(
+      'PDF'
+    );
+    expect(within(card).getByText('Arrange PDF pages locally.')).toBeVisible();
     expect(
-      await screen.findByRole('heading', { name: 'PDF Workbench' })
+      screen.getByTestId('app-card-de.add-ideas.xslt-tools')
-    ).toBeInTheDocument();
+    ).toHaveTextContent('XSLT');
     expect(
-      screen.getAllByText(
+      screen.getByTestId('app-card-de.add-ideas.onenote-tools')
+    ).toHaveTextContent('OneNote');
+    expect(
+      screen.queryByText(
+        'Page-level PDF operations performed locally in the browser.'
+      )
+    ).not.toBeInTheDocument();
+    expect(
+      screen.queryByText(
         'Local processing · no file uploads declared · no telemetry declared'
       )
-    ).toHaveLength(3);
+    ).not.toBeInTheDocument();
-    const sourceLinks = screen.getAllByRole('link', {
-      name: 'Source and license',
-    });
-    expect(sourceLinks).toHaveLength(4);
     expect(
-      sourceLinks.find(
+      screen.getAllByRole('link', { name: 'Source and license' })
-        (link) =>
+    ).toHaveLength(1);
-          link.getAttribute('href') ===
-          'https://git.add-ideas.de/zemion/pdf-tools'
-      )
-    ).toHaveAttribute('rel', 'noopener noreferrer');
-    expect(
-      sourceLinks.find((link) =>
-        link.getAttribute('href')?.endsWith('/toolbox-portal/src/tag/v0.4.2')
-      )
-    ).toBeDefined();
     expect(
       screen.queryByRole('region', { name: 'Pinned' })
     ).not.toBeInTheDocument();
@@ -50,12 +63,20 @@ describe('portal UI', () => {
     });
     expect(showHidden).toBeDisabled();
     expect(showHidden).not.toBeChecked();
-    const launch = screen
+    expect(launch).toHaveClass('app-card__launch-link');
-      .getAllByRole('link', { name: 'PDF Workbench' })
-      .find((link) => link.classList.contains('app-card__launch-link'))!;
     expect(
       new URL(launch.getAttribute('href')!).searchParams.get('toolbox')
     ).toContain('toolbox.catalog.json');
+    const actions = within(card).getByRole('group', {
+      name: 'Actions for PDF Workbench',
+    });
+    const info = within(actions).getByRole('button', {
+      name: 'More information about PDF Workbench',
+    });
+    expect(info).toHaveAttribute('aria-haspopup', 'dialog');
+    for (const control of within(actions).getAllByRole('button'))
+      expect(control.closest('a')).toBeNull();
+    expect(launch).not.toContainElement(info);
 
     await user.click(screen.getByRole('button', { name: 'Pin PDF Workbench' }));
     await waitFor(() =>
@@ -69,6 +90,12 @@ describe('portal UI', () => {
     expect(
       screen.queryByRole('button', { name: /Move PDF Workbench/i })
     ).not.toBeInTheDocument();
+    const unpin = screen.getByRole('button', {
+      name: 'Unpin PDF Workbench',
+    });
+    expect(unpin).toHaveAttribute('aria-pressed', 'true');
+    expect(unpin).toHaveClass('is-active');
+    await waitFor(() => expect(unpin).toHaveFocus());
     expect(
       screen.getByRole('button', { name: 'Reorder PDF Workbench' })
     ).toBeInTheDocument();
@@ -76,27 +103,92 @@ describe('portal UI', () => {
     await user.click(
       screen.getByRole('button', { name: 'Hide PDF Workbench' })
     );
-    expect(
+    expect(queryToolLink('PDF Workbench')).not.toBeInTheDocument();
-      screen.queryByRole('heading', { name: 'PDF Workbench' })
-    ).not.toBeInTheDocument();
     expect(showHidden).toBeEnabled();
     expect(showHidden).toHaveAccessibleName('Show hidden (1)');
+    await waitFor(() => expect(showHidden).toHaveFocus());
     fireEvent.click(showHidden);
-    expect(
+    expect(toolLink('PDF Workbench')).toBeInTheDocument();
-      screen.getByRole('heading', { name: 'PDF Workbench' })
-    ).toBeInTheDocument();
     await user.click(
       screen.getByRole('button', { name: 'Show PDF Workbench' })
     );
     expect(showHidden).toBeDisabled();
     expect(showHidden).not.toBeChecked();
+    await waitFor(() =>
+      expect(
+        screen.getByRole('button', { name: 'Hide PDF Workbench' })
+      ).toHaveFocus()
+    );
+  });
+
+  it('moves the full disclosure into an accessible modal', async () => {
+    vi.stubGlobal('fetch', vi.fn(catalogueFetch()));
+    const user = userEvent.setup();
+    const { container } = render(<App />);
+    await findToolLink();
+    const info = screen.getByRole('button', {
+      name: 'More information about PDF Workbench',
+    });
+
+    await user.click(info);
+    const dialog = screen.getByRole('dialog', { name: 'PDF Workbench' });
+    expect(dialog).toHaveAttribute('aria-modal', 'true');
+    expect(dialog).toHaveTextContent(
+      'Page-level PDF operations performed locally in the browser.'
+    );
+    expect(dialog).toHaveTextContent(
+      'Local processing · no file uploads declared · no telemetry declared'
+    );
+    expect(dialog).toHaveTextContent(
+      'Needs Secure context · Web workers · IndexedDB'
+    );
+    expect(dialog).toHaveTextContent('v0.4.3');
+    expect(
+      within(dialog).getByRole('button', { name: 'documents' })
+    ).toBeInTheDocument();
+    expect(
+      within(dialog).getByRole('button', { name: '#merge' })
+    ).toBeInTheDocument();
+    const sourceLink = within(dialog).getByRole('link', {
+      name: 'Source and license',
+    });
+    expect(sourceLink).toHaveAttribute(
+      'href',
+      'https://git.add-ideas.de/zemion/pdf-tools'
+    );
+    expect(sourceLink).toHaveAttribute('rel', 'noopener noreferrer');
+    expect(
+      within(dialog).getByRole('link', { name: 'Open PDF' })
+    ).toBeInTheDocument();
+    expect(container.querySelector('.site-shell')).toHaveAttribute('inert');
+    expect(container.querySelector('.site-shell')).toHaveAttribute(
+      'aria-hidden',
+      'true'
+    );
+    expect(document.documentElement).toHaveStyle({ overflow: 'hidden' });
+
+    const close = within(dialog).getByRole('button', {
+      name: 'Close information for PDF Workbench',
+    });
+    expect(close).toHaveFocus();
+    within(dialog).getByRole('link', { name: 'Open PDF' }).focus();
+    await user.tab();
+    expect(close).toHaveFocus();
+
+    await user.keyboard('{Escape}');
+    expect(
+      screen.queryByRole('dialog', { name: 'PDF Workbench' })
+    ).not.toBeInTheDocument();
+    expect(info).toHaveFocus();
+    expect(container.querySelector('.site-shell')).not.toHaveAttribute('inert');
+    expect(document.documentElement).not.toHaveStyle({ overflow: 'hidden' });
   });
 
   it('keeps search and category controls together and filters with each', async () => {
     vi.stubGlobal('fetch', vi.fn(catalogueFetch()));
     const user = userEvent.setup();
     render(<App />);
-    await screen.findByRole('heading', { name: 'PDF Workbench' });
+    await findToolLink();
 
     const search = screen.getByRole('searchbox', { name: 'Search tools' });
     const category = screen.getByRole('combobox', {
@@ -107,28 +199,37 @@ describe('portal UI', () => {
     );
 
     await user.type(search, 'xslt');
-    expect(
+    expect(toolLink('XSLT Workbench')).toBeInTheDocument();
-      screen.getByRole('heading', { name: 'XSLT Workbench' })
+    expect(queryToolLink('PDF Workbench')).not.toBeInTheDocument();
-    ).toBeInTheDocument();
-    expect(
-      screen.queryByRole('heading', { name: 'PDF Workbench' })
-    ).not.toBeInTheDocument();
 
     await user.clear(search);
     await user.selectOptions(category, 'notes');
-    expect(
+    expect(toolLink('OneNote Reader')).toBeInTheDocument();
-      screen.getByRole('heading', { name: 'OneNote Reader' })
+    expect(queryToolLink('XSLT Workbench')).not.toBeInTheDocument();
-    ).toBeInTheDocument();
+
-    expect(
+    await user.selectOptions(category, '');
-      screen.queryByRole('heading', { name: 'XSLT Workbench' })
+    await user.click(
-    ).not.toBeInTheDocument();
+      screen.getByRole('button', {
+        name: 'More information about PDF Workbench',
+      })
+    );
+    await user.click(
+      within(screen.getByRole('dialog', { name: 'PDF Workbench' })).getByRole(
+        'button',
+        { name: 'pdf' }
+      )
+    );
+    expect(screen.queryByRole('dialog')).not.toBeInTheDocument();
+    expect(category).toHaveValue('pdf');
+    expect(toolLink('PDF Workbench')).toBeInTheDocument();
+    expect(queryToolLink('OneNote Reader')).not.toBeInTheDocument();
   });
 
   it('keeps remaining hidden tools visible while editing the hidden set', async () => {
     vi.stubGlobal('fetch', vi.fn(catalogueFetch()));
     const user = userEvent.setup();
     render(<App />);
-    await screen.findByRole('heading', { name: 'PDF Workbench' });
+    await findToolLink();
 
     await user.click(
       screen.getByRole('button', { name: 'Hide PDF Workbench' })
@@ -147,16 +248,14 @@ describe('portal UI', () => {
 
     expect(showHidden).toBeChecked();
     expect(showHidden).toHaveAccessibleName('Show hidden (1)');
-    expect(
+    expect(toolLink('XSLT Workbench')).toBeInTheDocument();
-      screen.getByRole('heading', { name: 'XSLT Workbench' })
-    ).toBeInTheDocument();
   });
 
   it('clears search filters without revealing hidden tools', async () => {
     vi.stubGlobal('fetch', vi.fn(catalogueFetch()));
     const user = userEvent.setup();
     render(<App />);
-    await screen.findByRole('heading', { name: 'PDF Workbench' });
+    await findToolLink();
     await user.click(
       screen.getByRole('button', { name: 'Hide PDF Workbench' })
     );
@@ -166,12 +265,8 @@ describe('portal UI', () => {
     );
     await user.click(screen.getByRole('button', { name: 'Clear filters' }));
 
-    expect(
+    expect(queryToolLink('PDF Workbench')).not.toBeInTheDocument();
-      screen.queryByRole('heading', { name: 'PDF Workbench' })
+    expect(toolLink('XSLT Workbench')).toBeInTheDocument();
-    ).not.toBeInTheDocument();
-    expect(
-      screen.getByRole('heading', { name: 'XSLT Workbench' })
-    ).toBeInTheDocument();
     expect(
       screen.getByRole('checkbox', { name: 'Show hidden (1)' })
     ).not.toBeChecked();
@@ -181,7 +276,7 @@ describe('portal UI', () => {
     vi.stubGlobal('fetch', vi.fn(catalogueFetch()));
     const user = userEvent.setup();
     render(<App />);
-    await screen.findByRole('heading', { name: 'PDF Workbench' });
+    await findToolLink();
     await user.click(screen.getByRole('button', { name: 'Apps' }));
     const navigation = screen.getByRole('navigation', {
       name: 'Toolbox applications',
@@ -197,7 +292,7 @@ describe('portal UI', () => {
   it('uses the shared accessible header identity and control order', async () => {
     vi.stubGlobal('fetch', vi.fn(catalogueFetch()));
     render(<App />);
-    await screen.findByRole('heading', { name: 'PDF Workbench' });
+    await findToolLink();
 
     const header = document.querySelector<HTMLElement>('.portal-header')!;
     expect(
@@ -263,7 +358,7 @@ describe('portal UI', () => {
     vi.stubGlobal('fetch', vi.fn(catalogueFetch()));
     const user = userEvent.setup();
     render(<App />);
-    await screen.findByRole('heading', { name: 'PDF Workbench' });
+    await findToolLink();
     const personalize = screen.getByRole('button', { name: 'Personalize' });
     await user.click(personalize);
     expect(
@@ -299,7 +394,7 @@ describe('portal UI', () => {
   it('supports keyboard drag ordering from each tile grip', async () => {
     vi.stubGlobal('fetch', vi.fn(catalogueFetch()));
     render(<App />);
-    await screen.findByRole('heading', { name: 'PDF Workbench' });
+    await findToolLink();
     const cards = [
       screen.getByTestId('app-card-de.add-ideas.pdf-tools'),
       screen.getByTestId('app-card-de.add-ideas.xslt-tools'),
@@ -309,11 +404,11 @@ describe('portal UI', () => {
       const rect = {
         x: index * 220,
         y: 0,
-        width: 200,
+        width: 188,
-        height: 320,
+        height: 188,
         top: 0,
-        right: index * 220 + 200,
+        right: index * 220 + 188,
-        bottom: 320,
+        bottom: 188,
         left: index * 220,
         toJSON: () => ({}),
       } as DOMRect;
@@ -334,7 +429,7 @@ describe('portal UI', () => {
         within(tools)
           .getAllByRole('heading', { level: 3 })
           .map((heading) => heading.textContent)
-      ).toEqual(['XSLT Workbench', 'PDF Workbench', 'OneNote Reader']);
+      ).toEqual(['XSLT', 'PDF', 'OneNote']);
     });
     expect(
       JSON.parse(localStorage.getItem(PREFERENCES_KEY) ?? '{}').order
@@ -349,41 +444,53 @@ describe('portal UI', () => {
     vi.stubGlobal('fetch', vi.fn(catalogueFetch()));
     const user = userEvent.setup();
     render(<App />);
-    const merge = await screen.findByRole('button', { name: '#merge' });
+    await findToolLink();
-    await user.click(merge);
+    await user.click(
-    expect(merge).toHaveAttribute('aria-pressed', 'true');
+      screen.getByRole('button', {
-    expect(
+        name: 'More information about PDF Workbench',
-      screen.getByRole('heading', { name: 'PDF Workbench' })
+      })
-    ).toBeInTheDocument();
+    );
-    expect(
+    const dialog = screen.getByRole('dialog', { name: 'PDF Workbench' });
-      screen.queryByRole('heading', { name: 'XSLT Workbench' })
+    await user.click(within(dialog).getByRole('button', { name: '#merge' }));
-    ).not.toBeInTheDocument();
-    expect(
-      screen.queryByRole('heading', { name: 'OneNote Reader' })
-    ).not.toBeInTheDocument();
 
-    await user.click(screen.getByRole('button', { name: '#merge' }));
+    expect(screen.queryByRole('dialog')).not.toBeInTheDocument();
-    expect(
+    expect(toolLink('PDF Workbench')).toBeInTheDocument();
-      await screen.findByRole('heading', { name: 'XSLT Workbench' })
+    expect(queryToolLink('XSLT Workbench')).not.toBeInTheDocument();
-    ).toBeInTheDocument();
+    expect(queryToolLink('OneNote Reader')).not.toBeInTheDocument();
-    expect(
+
-      screen.getByRole('heading', { name: 'OneNote Reader' })
+    const activeTag = screen.getByRole('button', {
-    ).toBeInTheDocument();
+      name: /#merge.*Clear tag filter/i,
+    });
+    await user.click(activeTag);
+    expect(await findToolLink('XSLT Workbench')).toBeInTheDocument();
+    expect(toolLink('OneNote Reader')).toBeInTheDocument();
   });
 
   it('opens the standard help control and explains tile interaction', async () => {
     vi.stubGlobal('fetch', vi.fn(catalogueFetch()));
     const user = userEvent.setup();
     const { container } = render(<App />);
-    await screen.findByRole('heading', { name: 'PDF Workbench' });
+    await findToolLink();
-    await user.click(screen.getByRole('button', { name: 'Help' }));
+    const help = screen.getByRole('button', { name: 'Help' });
-    expect(
+    await user.click(help);
-      screen.getByRole('dialog', { name: 'Choose and arrange your tools' })
+    const dialog = screen.getByRole('dialog', {
-    ).toHaveTextContent('click anywhere on a tool tile');
+      name: 'Choose and arrange your tools',
+    });
+    expect(dialog).toHaveTextContent('click anywhere on a tool tile');
+    expect(dialog).toHaveTextContent('use the light bulb');
     expect(container.querySelector('.site-shell')).toHaveAttribute('inert');
-    await user.click(screen.getByRole('button', { name: 'Close help' }));
+    expect(container.querySelector('.site-shell')).toHaveAttribute(
+      'aria-hidden',
+      'true'
+    );
+    const close = within(dialog).getByRole('button', { name: 'Close help' });
+    expect(close).toHaveFocus();
+    await user.tab();
+    expect(close).toHaveFocus();
+    await user.keyboard('{Escape}');
     expect(screen.queryByRole('dialog')).not.toBeInTheDocument();
     expect(container.querySelector('.site-shell')).not.toHaveAttribute('inert');
+    expect(help).toHaveFocus();
   });
 
   it('shows a recoverable catalogue error', async () => {
@@ -397,9 +504,7 @@ describe('portal UI', () => {
       await screen.findByRole('heading', { name: 'Toolbox unavailable' })
     ).toBeInTheDocument();
     fireEvent.click(screen.getByRole('button', { name: 'Try again' }));
-    expect(
+    expect(await findToolLink()).toBeInTheDocument();
-      await screen.findByRole('heading', { name: 'PDF Workbench' })
-    ).toBeInTheDocument();
   });
 
   it('shows a dedicated empty state for a valid catalogue', async () => {

src/App.tsx

@@ -16,8 +16,9 @@ import {
   ToolboxHeader,
   type ToolboxHeaderApp,
 } from '@add-ideas/toolbox-shell-react';
-import { useCallback, useEffect, useMemo, useState } from 'react';
+import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
 import { AppCard } from './components/AppCard';
+import { AppDetailsPanel } from './components/AppDetailsPanel';
 import { HelpPanel } from './components/HelpPanel';
 import { Logo } from './components/Logo';
 import { PreferencesPanel } from './components/PreferencesPanel';
@@ -34,6 +35,9 @@ type LoadState =
   | { status: 'error'; message: string }
   | { status: 'ready'; value: LoadedCatalogue };
 
+type PortalOverlay =
+  { kind: 'help' } | { kind: 'details'; appId: string } | null;
+
 function appMatches(
   app: ResolvedApp,
   query: string,
@@ -50,29 +54,25 @@ function appMatches(
 }
 
 interface AppSectionProps {
-  activeTag: string;
   apps: ResolvedApp[];
   catalogueUrl: string;
   hiddenIds: readonly string[];
   id: string;
-  onCategory: (category: string) => void;
+  onDetails: (id: string) => void;
   onHide: (id: string) => void;
   onPin: (id: string) => void;
-  onTag: (tag: string) => void;
   pinned: boolean;
   title: string;
 }
 
 function AppSection({
-  activeTag,
   apps,
   catalogueUrl,
   hiddenIds,
   id,
-  onCategory,
+  onDetails,
   onHide,
   onPin,
-  onTag,
   pinned,
   title,
 }: AppSectionProps) {
@@ -97,11 +97,9 @@ function AppSection({
               contextualUrl={contextualLaunchUrl}
               pinned={pinned}
               hidden={hiddenIds.includes(app.id)}
-              activeTag={activeTag}
+              onDetails={() => onDetails(app.id)}
-              onCategory={onCategory}
               onPin={() => onPin(app.id)}
               onHide={() => onHide(app.id)}
-              onTag={onTag}
             />
           ))}
         </div>
@@ -119,9 +117,10 @@ export default function App() {
   const [shownHiddenIds, setShownHiddenIds] = useState<
     readonly string[] | null
   >(null);
-  const [helpOpen, setHelpOpen] = useState(false);
+  const [overlay, setOverlay] = useState<PortalOverlay>(null);
+  const hiddenToggle = useRef<HTMLInputElement>(null);
   const [preferences, setPreferences, storageAvailable] = usePreferences();
-  const closeHelp = useCallback(() => setHelpOpen(false), []);
+  const closeOverlay = useCallback(() => setOverlay(null), []);
   const showHidden =
     preferences.hidden.length > 0 &&
     shownHiddenIds?.some((id) => preferences.hidden.includes(id)) === true;
@@ -150,6 +149,11 @@ export default function App() {
 
   const loaded = loadState.status === 'ready' ? loadState.value : undefined;
   const apps = useMemo(() => loaded?.apps ?? [], [loaded]);
+  const detailsApp =
+    overlay?.kind === 'details'
+      ? apps.find((app) => app.id === overlay.appId)
+      : undefined;
+  const overlayOpen = overlay?.kind === 'help' || detailsApp !== undefined;
 
   useEffect(() => {
     if (!loaded) return;
@@ -206,6 +210,7 @@ export default function App() {
   }));
 
   function toggleListItem(field: 'pinned' | 'hidden', id: string) {
+    const keepCardVisible = field === 'pinned' || showHidden;
     if (field === 'hidden' && showHidden && !preferences.hidden.includes(id)) {
       setShownHiddenIds((current) => [...new Set([...(current ?? []), id])]);
     }
@@ -215,6 +220,20 @@ export default function App() {
         ? current[field].filter((item) => item !== id)
         : [...current[field], id],
     }));
+    window.requestAnimationFrame(() => {
+      if (!keepCardVisible) {
+        hiddenToggle.current?.focus();
+        return;
+      }
+      const action = field === 'pinned' ? 'pin' : 'visibility';
+      [
+        ...document.querySelectorAll<HTMLButtonElement>(
+          `[data-card-action="${action}"]`
+        ),
+      ]
+        .find((button) => button.dataset.appId === id)
+        ?.focus();
+    });
   }
 
   function handleDragEnd(event: DragEndEvent) {
@@ -243,8 +262,8 @@ export default function App() {
     <>
       <div
         className="site-shell"
-        inert={helpOpen}
+        inert={overlayOpen}
-        aria-hidden={helpOpen || undefined}
+        aria-hidden={overlayOpen || undefined}
       >
         <a className="skip-link" href="#main-content">
           Skip to tools
@@ -257,7 +276,7 @@ export default function App() {
           homeHref={loaded?.homeUrl ?? './'}
           homeLabel="add·ideas Toolbox"
           brandIconUrl="./favicon.svg"
-          helpAction={{ onClick: () => setHelpOpen(true) }}
+          helpAction={{ onClick: () => setOverlay({ kind: 'help' }) }}
           sourceHref={PORTAL_SOURCE}
           sourceLabel="Toolbox source on Gitea"
           personalizeContent={
@@ -331,6 +350,7 @@ export default function App() {
                   }`}
                 >
                   <input
+                    ref={hiddenToggle}
                     type="checkbox"
                     checked={showHidden}
                     disabled={preferences.hidden.length === 0}
@@ -415,30 +435,26 @@ export default function App() {
                       title="Pinned"
                       apps={pinnedApps}
                       pinned
-                      activeTag={activeTag}
                       catalogueUrl={loaded.catalogueUrl.href}
                       hiddenIds={preferences.hidden}
-                      onCategory={setCategory}
+                      onDetails={(id) =>
+                        setOverlay({ kind: 'details', appId: id })
+                      }
                       onPin={(id) => toggleListItem('pinned', id)}
                       onHide={(id) => toggleListItem('hidden', id)}
-                      onTag={(tag) =>
-                        setActiveTag((current) => (current === tag ? '' : tag))
-                      }
                     />
                     <AppSection
                       id="regular-apps"
                       title="Tools"
                       apps={regularApps}
                       pinned={false}
-                      activeTag={activeTag}
                       catalogueUrl={loaded.catalogueUrl.href}
                       hiddenIds={preferences.hidden}
-                      onCategory={setCategory}
+                      onDetails={(id) =>
+                        setOverlay({ kind: 'details', appId: id })
+                      }
                       onPin={(id) => toggleListItem('pinned', id)}
                       onHide={(id) => toggleListItem('hidden', id)}
-                      onTag={(tag) =>
-                        setActiveTag((current) => (current === tag ? '' : tag))
-                      }
                     />
                   </div>
                 </DndContext>
@@ -473,9 +489,9 @@ export default function App() {
             </span>
           </p>
           <span>
-            Portal v0.2.2 ·{' '}
+            Portal v0.2.3 ·{' '}
             <a
-              href="https://git.add-ideas.de/zemion/toolbox-portal/src/tag/v0.4.2"
+              href="https://git.add-ideas.de/zemion/toolbox-portal/src/tag/v0.4.3"
               target="_blank"
               rel="noopener noreferrer"
             >
@@ -485,7 +501,26 @@ export default function App() {
         </footer>
       </div>
 
-      <HelpPanel open={helpOpen} onClose={closeHelp} />
+      <HelpPanel open={overlay?.kind === 'help'} onClose={closeOverlay} />
+      {detailsApp && loaded ? (
+        <AppDetailsPanel
+          app={detailsApp}
+          catalogueUrl={loaded.catalogueUrl.href}
+          contextualUrl={contextualLaunchUrl}
+          pinned={preferences.pinned.includes(detailsApp.id)}
+          hidden={preferences.hidden.includes(detailsApp.id)}
+          activeTag={activeTag}
+          onCategory={(nextCategory) => {
+            setCategory(nextCategory);
+            closeOverlay();
+          }}
+          onTag={(tag) => {
+            setActiveTag((current) => (current === tag ? '' : tag));
+            closeOverlay();
+          }}
+          onClose={closeOverlay}
+        />
+      ) : null}
     </>
   );
 }

src/components/AppCard.tsx

@@ -1,5 +1,7 @@
+import { useId } from 'react';
 import { useSortable } from '@dnd-kit/sortable';
 import { CSS } from '@dnd-kit/utilities';
+import { shortToolDescription, shortToolTitle } from '../toolPresentation';
 import type { ResolvedApp } from '../types';
 
 interface AppCardProps {
@@ -7,48 +9,50 @@ interface AppCardProps {
   catalogueUrl: string;
   hidden: boolean;
   pinned: boolean;
-  activeTag: string;
+  onDetails: () => void;
-  onCategory: (category: string) => void;
   onHide: () => void;
   onPin: () => void;
-  onTag: (tag: string) => void;
   contextualUrl: (entryUrl: string, catalogueUrl: string) => string;
 }
 
-function RequirementSummary({ app }: { app: ResolvedApp }) {
+function MoveIcon() {
-  if (!app.requirements) return null;
+  return (
-  const requirements = [
+    <svg viewBox="0 0 20 20" aria-hidden="true">
-    app.requirements.secureContext && 'Secure context',
+      <circle cx="7" cy="5" r="1.2" />
-    app.requirements.workers && 'Web workers',
+      <circle cx="13" cy="5" r="1.2" />
-    app.requirements.indexedDb && 'IndexedDB',
+      <circle cx="7" cy="10" r="1.2" />
-    app.requirements.crossOriginIsolated && 'Cross-origin isolation',
+      <circle cx="13" cy="10" r="1.2" />
-  ].filter(Boolean);
+      <circle cx="7" cy="15" r="1.2" />
-  if (requirements.length === 0) return null;
+      <circle cx="13" cy="15" r="1.2" />
-  return <p className="requirements">Needs {requirements.join(' · ')}</p>;
+    </svg>
+  );
 }
 
-function PrivacySummary({ app }: { app: ResolvedApp }) {
+function LightBulbIcon() {
-  if (!app.privacy)
   return (
-      <p className="privacy-summary">
+    <svg viewBox="0 0 24 24" aria-hidden="true">
-        External destination · review its privacy terms
+      <path d="M9 18h6M10 21h4" />
-      </p>
+      <path d="M8.4 14.8A6 6 0 1 1 15.6 14.8c-.9.7-1.4 1.4-1.6 2.2h-4c-.2-.8-.7-1.5-1.6-2.2Z" />
+    </svg>
   );
-  if (app.privacy.label)
+}
-    return <p className="privacy-summary">{app.privacy.label}</p>;
+
-  const processing = {
+function PinIcon() {
-    local: 'Local processing',
-    remote: 'Remote processing',
-    mixed: 'Local and remote capabilities',
-  }[app.privacy.processing];
   return (
-    <p className="privacy-summary">
+    <svg viewBox="0 0 24 24" aria-hidden="true">
-      {processing} ·{' '}
+      <path d="M8 3h8l-1 6 3 3v2H6v-2l3-3-1-6Z" />
-      {app.privacy.fileUploads
+      <path d="M12 14v7" />
-        ? 'file/data transmission declared'
+    </svg>
-        : 'no file uploads declared'}{' '}
+  );
-      · {app.privacy.telemetry ? 'telemetry declared' : 'no telemetry declared'}
+}
-    </p>
+
+function VisibilityIcon({ hidden }: { hidden: boolean }) {
+  return (
+    <svg viewBox="0 0 24 24" aria-hidden="true">
+      <path d="M3 12s3.2-5 9-5 9 5 9 5-3.2 5-9 5-9-5-9-5Z" />
+      <circle cx="12" cy="12" r="2.3" />
+      {!hidden && <path d="m4 4 16 16" />}
+    </svg>
   );
 }
 
@@ -57,13 +61,12 @@ export function AppCard({
   catalogueUrl,
   hidden,
   pinned,
-  activeTag,
+  onDetails,
-  onCategory,
   onHide,
   onPin,
-  onTag,
   contextualUrl,
 }: AppCardProps) {
+  const titleId = useId();
   const {
     attributes,
     isDragging,
@@ -84,10 +87,23 @@ export function AppCard({
       className={`app-card${hidden ? ' app-card--hidden' : ''}${
         isDragging ? ' app-card--dragging' : ''
       }`}
+      aria-labelledby={titleId}
       data-testid={`app-card-${app.id}`}
       style={{ transform: CSS.Transform.toString(transform), transition }}
     >
-      <div className="app-card__top">
+      <button
+        ref={setActivatorNodeRef}
+        {...attributes}
+        {...listeners}
+        className="drag-handle"
+        type="button"
+        aria-label={`Reorder ${app.name}`}
+        title="Drag to reorder"
+      >
+        <MoveIcon />
+      </button>
+
+      <div className="app-card__face">
         <div className="app-card__icon" aria-hidden="true">
           {app.iconUrl ? (
             <img src={app.iconUrl} alt="" loading="lazy" />
@@ -95,112 +111,60 @@ export function AppCard({
             <span>{app.name.slice(0, 1).toLocaleUpperCase()}</span>
           )}
         </div>
-        <div
+        <h3 id={titleId}>
-          className="app-card__actions"
-          aria-label={`Personalize ${app.name}`}
-        >
-          <button
-            ref={setActivatorNodeRef}
-            {...attributes}
-            {...listeners}
-            className="icon-button drag-handle"
-            type="button"
-            aria-label={`Reorder ${app.name}`}
-            title="Drag to reorder"
-          >
-            <span aria-hidden="true">⠿</span>
-          </button>
-          <button
-            className={`icon-button${pinned ? ' is-active' : ''}`}
-            type="button"
-            aria-label={pinned ? `Unpin ${app.name}` : `Pin ${app.name}`}
-            aria-pressed={pinned}
-            title={pinned ? 'Unpin' : 'Pin'}
-            onClick={onPin}
-          >
-            <span aria-hidden="true">⌁</span>
-          </button>
-          <button
-            className="icon-button"
-            type="button"
-            aria-label={hidden ? `Show ${app.name}` : `Hide ${app.name}`}
-            onClick={onHide}
-          >
-            <span aria-hidden="true">{hidden ? '○' : '—'}</span>
-          </button>
-        </div>
-      </div>
-      <div className="app-card__body">
-        <div className="title-line">
-          <h3>
           <a
             className="app-card__launch-link"
             href={launchUrl}
             target={target}
             rel={target ? 'noopener noreferrer' : undefined}
+            aria-label={`Open ${app.name}`}
           >
-              {app.name}
+            {shortToolTitle(app)}
           </a>
         </h3>
-          {pinned && <span className="status-chip">Pinned</span>}
+        <p>{shortToolDescription(app)}</p>
-          {hidden && (
-            <span className="status-chip status-chip--muted">Hidden</span>
-          )}
-          {app.isExternal && (
-            <span className="status-chip status-chip--muted">External</span>
-          )}
       </div>
-        <p>{app.description}</p>
+
-        <PrivacySummary app={app} />
+      <div
-        <RequirementSummary app={app} />
+        className="app-card__actions"
-        {app.categories.length > 0 && (
+        role="group"
-          <div className="category-row" aria-label="Categories">
+        aria-label={`Actions for ${app.name}`}
-            {app.categories.slice(0, 3).map((category) => (
+      >
         <button
+          className="icon-button info-button"
           type="button"
-                key={category}
+          aria-label={`More information about ${app.name}`}
-                onClick={() => onCategory(category)}
+          aria-haspopup="dialog"
+          title="More information"
+          data-details-trigger={app.id}
+          onClick={onDetails}
         >
-                {category}
+          <LightBulbIcon />
         </button>
-            ))}
-          </div>
-        )}
-        {app.tags.length > 0 && (
-          <div className="tag-row" aria-label="Tags">
-            {app.tags.map((tag) => (
         <button
+          className={`icon-button pin-button${pinned ? ' is-active' : ''}`}
           type="button"
-                key={tag}
+          data-app-id={app.id}
-                aria-pressed={activeTag === tag}
+          data-card-action="pin"
-                onClick={() => onTag(tag)}
+          aria-label={pinned ? `Unpin ${app.name}` : `Pin ${app.name}`}
+          aria-pressed={pinned}
+          title={pinned ? 'Unpin' : 'Pin'}
+          onClick={onPin}
         >
-                #{tag}
+          <PinIcon />
         </button>
-            ))}
+        <button
-          </div>
+          className="icon-button visibility-button"
-        )}
+          type="button"
-      </div>
+          data-app-id={app.id}
-      <footer className="app-card__footer">
+          data-card-action="visibility"
-        <div className="app-card__meta">
+          aria-label={hidden ? `Show ${app.name}` : `Hide ${app.name}`}
-          <span className="version">
+          title={hidden ? 'Show' : 'Hide'}
-            {app.version ? `v${app.version}` : 'External service'}
+          onClick={onHide}
-          </span>
-          {app.sourceUrl && (
-            <a
-              className="source-link"
-              href={app.sourceUrl}
-              target="_blank"
-              rel="noopener noreferrer"
         >
-              Source and license
+          <VisibilityIcon hidden={hidden} />
-            </a>
+        </button>
-          )}
       </div>
-        <span className="open-hint">
-          Open tool <span aria-hidden="true">↗</span>
-        </span>
-      </footer>
     </article>
   );
 }

src/components/AppDetailsPanel.tsx

@@ -0,0 +1,172 @@
+import { useId } from 'react';
+import type { ResolvedApp } from '../types';
+import { shortToolTitle } from '../toolPresentation';
+import { ModalPanel } from './ModalPanel';
+
+interface AppDetailsPanelProps {
+  activeTag: string;
+  app: ResolvedApp;
+  catalogueUrl: string;
+  hidden: boolean;
+  pinned: boolean;
+  contextualUrl: (entryUrl: string, catalogueUrl: string) => string;
+  onCategory: (category: string) => void;
+  onClose: () => void;
+  onTag: (tag: string) => void;
+}
+
+function RequirementSummary({ app }: { app: ResolvedApp }) {
+  if (!app.requirements) return null;
+  const requirements = [
+    app.requirements.secureContext && 'Secure context',
+    app.requirements.workers && 'Web workers',
+    app.requirements.indexedDb && 'IndexedDB',
+    app.requirements.crossOriginIsolated && 'Cross-origin isolation',
+  ].filter(Boolean);
+  if (requirements.length === 0) return null;
+  return <p className="requirements">Needs {requirements.join(' · ')}</p>;
+}
+
+function PrivacySummary({ app }: { app: ResolvedApp }) {
+  if (!app.privacy)
+    return (
+      <p className="privacy-summary">
+        External destination · review its privacy terms
+      </p>
+    );
+  if (app.privacy.label)
+    return <p className="privacy-summary">{app.privacy.label}</p>;
+  const processing = {
+    local: 'Local processing',
+    remote: 'Remote processing',
+    mixed: 'Local and remote capabilities',
+  }[app.privacy.processing];
+  return (
+    <p className="privacy-summary">
+      {processing} ·{' '}
+      {app.privacy.fileUploads
+        ? 'file/data transmission declared'
+        : 'no file uploads declared'}{' '}
+      · {app.privacy.telemetry ? 'telemetry declared' : 'no telemetry declared'}
+    </p>
+  );
+}
+
+export function AppDetailsPanel({
+  activeTag,
+  app,
+  catalogueUrl,
+  hidden,
+  pinned,
+  contextualUrl,
+  onCategory,
+  onClose,
+  onTag,
+}: AppDetailsPanelProps) {
+  const titleId = useId();
+  const launchUrl = app.isExternal
+    ? app.entryUrl
+    : contextualUrl(app.entryUrl, catalogueUrl);
+  const target = app.launchModes.includes('navigate') ? undefined : '_blank';
+
+  return (
+    <ModalPanel
+      className="app-info-panel"
+      labelledBy={titleId}
+      onClose={onClose}
+    >
+      <header className="app-info-panel__header">
+        <div className="app-info-panel__identity">
+          <div className="app-info-panel__icon" aria-hidden="true">
+            {app.iconUrl ? (
+              <img src={app.iconUrl} alt="" />
+            ) : (
+              <span>{app.name.slice(0, 1).toLocaleUpperCase()}</span>
+            )}
+          </div>
+          <div>
+            <p className="eyebrow">Tool information</p>
+            <div className="title-line">
+              <h2 id={titleId}>{app.name}</h2>
+              {pinned && <span className="status-chip">Pinned</span>}
+              {hidden && (
+                <span className="status-chip status-chip--muted">Hidden</span>
+              )}
+              {app.isExternal && (
+                <span className="status-chip status-chip--muted">External</span>
+              )}
+            </div>
+          </div>
+        </div>
+        <button
+          className="close-button"
+          type="button"
+          aria-label={`Close information for ${app.name}`}
+          onClick={onClose}
+        >
+          ×
+        </button>
+      </header>
+
+      <div className="app-info-panel__body">
+        <p className="app-info-panel__description">{app.description}</p>
+        <PrivacySummary app={app} />
+        <RequirementSummary app={app} />
+
+        {app.categories.length > 0 && (
+          <div className="category-row" role="group" aria-label="Categories">
+            {app.categories.slice(0, 3).map((category) => (
+              <button
+                type="button"
+                key={category}
+                onClick={() => onCategory(category)}
+              >
+                {category}
+              </button>
+            ))}
+          </div>
+        )}
+        {app.tags.length > 0 && (
+          <div className="tag-row" role="group" aria-label="Tags">
+            {app.tags.map((tag) => (
+              <button
+                type="button"
+                key={tag}
+                aria-pressed={activeTag === tag}
+                onClick={() => onTag(tag)}
+              >
+                #{tag}
+              </button>
+            ))}
+          </div>
+        )}
+      </div>
+
+      <footer className="app-info-panel__footer">
+        <div className="app-info-panel__meta">
+          <span className="version">
+            {app.version ? `v${app.version}` : 'External service'}
+          </span>
+          {app.sourceUrl && (
+            <a
+              className="source-link"
+              href={app.sourceUrl}
+              target="_blank"
+              rel="noopener noreferrer"
+            >
+              Source and license
+            </a>
+          )}
+        </div>
+        <a
+          className="app-info-panel__launch"
+          href={launchUrl}
+          target={target}
+          rel={target ? 'noopener noreferrer' : undefined}
+        >
+          Open {shortToolTitle(app)} <span aria-hidden="true">↗</span>
+        </a>
+      </footer>
+    </ModalPanel>
+  );
+}

src/components/HelpPanel.tsx

@@ -1,4 +1,4 @@
-import { useEffect, useRef } from 'react';
+import { ModalPanel } from './ModalPanel';
 
 interface HelpPanelProps {
   open: boolean;
@@ -6,61 +6,12 @@ interface HelpPanelProps {
 }
 
 export function HelpPanel({ open, onClose }: HelpPanelProps) {
-  const panel = useRef<HTMLElement>(null);
-
-  useEffect(() => {
-    if (!open) return;
-    const returnFocus =
-      document.activeElement instanceof HTMLElement
-        ? document.activeElement
-        : null;
-    const dialog = panel.current;
-    const focusable = () =>
-      dialog
-        ? [...dialog.querySelectorAll<HTMLElement>(FOCUSABLE_SELECTOR)]
-        : [];
-    focusable()[0]?.focus();
-
-    const handleKeyDown = (event: KeyboardEvent) => {
-      if (event.key === 'Escape') {
-        event.preventDefault();
-        onClose();
-        return;
-      }
-      if (event.key !== 'Tab') return;
-      const elements = focusable();
-      const first = elements[0];
-      const last = elements.at(-1);
-      if (!first || !last) return;
-      if (event.shiftKey && document.activeElement === first) {
-        event.preventDefault();
-        last.focus();
-      } else if (!event.shiftKey && document.activeElement === last) {
-        event.preventDefault();
-        first.focus();
-      }
-    };
-    document.addEventListener('keydown', handleKeyDown);
-    return () => {
-      document.removeEventListener('keydown', handleKeyDown);
-      returnFocus?.focus();
-    };
-  }, [open, onClose]);
-
   if (!open) return null;
   return (
-    <div
+    <ModalPanel
-      className="dialog-backdrop"
-      role="presentation"
-      onMouseDown={(event) => event.target === event.currentTarget && onClose()}
-    >
-      <section
-        ref={panel}
       className="help-panel"
-        role="dialog"
+      labelledBy="help-title"
-        aria-modal="true"
+      onClose={onClose}
-        aria-labelledby="help-title"
-        tabIndex={-1}
     >
       <header>
         <div>
@@ -82,28 +33,19 @@ export function HelpPanel({ open, onClose }: HelpPanelProps) {
           control.
         </p>
         <p>
-            <strong>Filter:</strong> search, choose a category, or click a tag.
+          <strong>Details:</strong> use the light bulb to review privacy,
-            Click the selected tag again to clear it.
+          requirements, categories, tags, version, and source before opening.
+        </p>
+        <p>
+          <strong>Filter:</strong> search, choose a category, or select a tag
+          from a tool's information panel. Select the tag again to clear it.
         </p>
         <p>
           <strong>Arrange:</strong> pin frequently used tools into their own
           section, then drag the grip to reorder. The grip also supports
           keyboard dragging with Space, arrow keys, and Escape.
         </p>
-          <p>
-            <strong>Privacy:</strong> each tile reports its declared processing,
-            uploads, telemetry, and browser requirements before you open it.
-          </p>
-        </div>
-      </section>
       </div>
+    </ModalPanel>
   );
 }
-
-const FOCUSABLE_SELECTOR = [
-  'a[href]',
-  'button:not([disabled])',
-  'input:not([disabled])',
-  'select:not([disabled])',
-  '[tabindex]:not([tabindex="-1"])',
-].join(',');

src/components/ModalPanel.tsx

@@ -0,0 +1,102 @@
+import { useEffect, useRef, type ReactNode } from 'react';
+
+interface ModalPanelProps {
+  children: ReactNode;
+  className: string;
+  labelledBy: string;
+  onClose: () => void;
+}
+
+export function ModalPanel({
+  children,
+  className,
+  labelledBy,
+  onClose,
+}: ModalPanelProps) {
+  const panel = useRef<HTMLElement>(null);
+
+  useEffect(() => {
+    const returnFocus =
+      document.activeElement instanceof HTMLElement
+        ? document.activeElement
+        : null;
+    const dialog = panel.current;
+    const focusable = () =>
+      dialog
+        ? [...dialog.querySelectorAll<HTMLElement>(FOCUSABLE_SELECTOR)].filter(
+            (element) => !element.hasAttribute('disabled')
+          )
+        : [];
+
+    (focusable()[0] ?? dialog)?.focus();
+    const previousOverflow = document.documentElement.style.overflow;
+    document.documentElement.style.overflow = 'hidden';
+
+    const handleKeyDown = (event: KeyboardEvent) => {
+      if (event.key === 'Escape') {
+        event.preventDefault();
+        onClose();
+        return;
+      }
+      if (event.key !== 'Tab') return;
+
+      const elements = focusable();
+      const first = elements[0];
+      const last = elements.at(-1);
+      if (!first || !last) {
+        event.preventDefault();
+        dialog?.focus();
+        return;
+      }
+
+      const active = document.activeElement;
+      if (!dialog?.contains(active)) {
+        event.preventDefault();
+        (event.shiftKey ? last : first).focus();
+      } else if (event.shiftKey && active === first) {
+        event.preventDefault();
+        last.focus();
+      } else if (!event.shiftKey && active === last) {
+        event.preventDefault();
+        first.focus();
+      }
+    };
+
+    document.addEventListener('keydown', handleKeyDown);
+    return () => {
+      document.removeEventListener('keydown', handleKeyDown);
+      document.documentElement.style.overflow = previousOverflow;
+      if (returnFocus?.isConnected) returnFocus.focus();
+    };
+  }, [onClose]);
+
+  return (
+    <div
+      className="dialog-backdrop"
+      role="presentation"
+      onPointerDown={(event) =>
+        event.target === event.currentTarget && onClose()
+      }
+    >
+      <section
+        ref={panel}
+        className={className}
+        role="dialog"
+        aria-modal="true"
+        aria-labelledby={labelledBy}
+        tabIndex={-1}
+      >
+        {children}
+      </section>
+    </div>
+  );
+}
+
+const FOCUSABLE_SELECTOR = [
+  'a[href]',
+  'button:not([disabled])',
+  'input:not([disabled])',
+  'select:not([disabled])',
+  'textarea:not([disabled])',
+  '[tabindex]:not([tabindex="-1"])',
+].join(',');

src/styles.css

@@ -125,8 +125,9 @@ summary:focus-visible {
 
 main,
 .site-footer {
-  width: min(1160px, calc(100% - 2.5rem));
+  width: min(100%, 90rem);
   margin-inline: auto;
+  padding-inline: 1rem;
 }
 
 .state-card button,
@@ -305,23 +306,31 @@ main {
 
 .app-grid {
   display: grid;
-  grid-template-columns: repeat(3, minmax(0, 1fr));
+  grid-template-columns: repeat(
-  gap: 1.1rem;
+    auto-fill,
+    minmax(min(10.5rem, 100%), 11.75rem)
+  );
+  align-items: start;
+  justify-content: start;
+  gap: 0.9rem;
 }
 
 .app-card {
   position: relative;
-  min-height: 340px;
+  aspect-ratio: 1;
+  min-width: 0;
   display: flex;
   flex-direction: column;
+  align-items: center;
+  justify-content: space-between;
   overflow: hidden;
+  padding: 1rem 0.85rem 0.75rem;
   border: 1px solid var(--line);
-  border-radius: 1.2rem;
+  border-radius: 1rem;
   background: var(--surface);
   box-shadow: var(--shadow);
   transition:
     border-color 180ms ease,
-    transform 180ms ease,
     box-shadow 180ms ease;
 }
 
@@ -333,33 +342,35 @@ main {
 
 .app-card:hover {
   border-color: color-mix(in srgb, var(--brand) 35%, var(--line));
-  transform: translateY(-2px);
   box-shadow: 0 20px 54px rgba(24, 34, 68, 0.13);
 }
 
 .app-card--hidden {
   border-style: dashed;
-  opacity: 0.7;
+  background: color-mix(in srgb, var(--surface-soft) 55%, var(--surface));
 }
 
-.app-card__top {
+.app-card__face {
-  display: flex;
+  min-height: 0;
-  align-items: flex-start;
+  display: grid;
-  justify-content: space-between;
+  flex: 1;
-  padding: 1.35rem 1.35rem 0;
+  align-content: center;
+  justify-items: center;
+  padding: 0.2rem 0.25rem 0;
+  text-align: center;
 }
 
 .app-card__icon {
-  width: 52px;
+  width: 3.6rem;
-  height: 52px;
+  height: 3.6rem;
   display: grid;
   place-items: center;
   overflow: hidden;
-  border-radius: 0.95rem;
+  border-radius: 0.9rem;
   background: var(--brand-soft);
   color: var(--brand);
   font-family: Inter, Avenir, 'Segoe UI', sans-serif;
-  font-size: 1.45rem;
+  font-size: 1.35rem;
   font-weight: 700;
 }
 
@@ -369,51 +380,130 @@ main {
   object-fit: contain;
 }
 
-.app-card__actions {
+.app-card__face h3 {
-  position: relative;
+  margin: 0.7rem 0 0;
-  z-index: 2;
+  font-family: Inter, Avenir, 'Segoe UI', sans-serif;
-  display: flex;
+  font-size: 1.05rem;
-  gap: 0.15rem;
+  letter-spacing: -0.025em;
+}
+
+.app-card__face p {
+  display: -webkit-box;
+  margin: 0.35rem 0 0;
+  overflow: hidden;
+  color: var(--muted);
+  font-size: 0.72rem;
+  line-height: 1.35;
+  -webkit-box-orient: vertical;
+  -webkit-line-clamp: 2;
 }
 
 .drag-handle {
-  touch-action: none;
+  position: absolute;
+  z-index: 2;
+  top: 50%;
+  left: 0.35rem;
+  width: 1.7rem;
+  height: 2.25rem;
+  display: grid;
+  place-items: center;
+  padding: 0;
+  border: 1px solid var(--line);
+  border-radius: 0.55rem;
+  background: var(--surface);
+  color: var(--muted);
+  opacity: 0;
   cursor: grab;
+  pointer-events: none;
+  touch-action: none;
+  transform: translate(-0.2rem, -50%);
+  transition:
+    opacity 150ms ease,
+    color 150ms ease,
+    transform 150ms ease;
+}
+
+.app-card:hover .drag-handle,
+.app-card:focus-within .drag-handle,
+.drag-handle:focus-visible {
+  opacity: 1;
+  pointer-events: auto;
+  transform: translate(0, -50%);
+}
+
+.drag-handle:hover {
+  color: var(--brand);
 }
 
 .drag-handle:active {
   cursor: grabbing;
 }
 
+.drag-handle svg {
+  width: 1rem;
+  height: 1rem;
+  fill: currentColor;
+}
+
+.app-card__actions {
+  position: relative;
+  z-index: 2;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 0.35rem;
+  pointer-events: none;
+}
+
 .icon-button,
 .close-button {
-  width: 32px;
+  width: 2.15rem;
-  height: 32px;
+  height: 2.15rem;
   display: grid;
   place-items: center;
-  border: 0;
+  padding: 0;
+  border: 1px solid var(--line);
   border-radius: 50%;
-  background: transparent;
+  background: var(--surface-soft);
   color: var(--muted);
   cursor: pointer;
 }
 
+.app-card__actions .icon-button {
+  pointer-events: auto;
+}
+
 .icon-button:hover:not(:disabled),
 .icon-button.is-active {
+  border-color: color-mix(in srgb, var(--brand) 30%, var(--line));
   background: var(--brand-soft);
   color: var(--brand);
 }
 
+.icon-button svg {
+  width: 1.05rem;
+  height: 1.05rem;
+  fill: none;
+  stroke: currentColor;
+  stroke-linecap: round;
+  stroke-linejoin: round;
+  stroke-width: 1.7;
+}
+
+.pin-button svg {
+  transform: rotate(0);
+  transition: transform 180ms ease;
+}
+
+.pin-button.is-active svg {
+  transform: rotate(45deg);
+}
+
 .icon-button:disabled {
   cursor: not-allowed;
   opacity: 0.28;
 }
 
-.app-card__body {
-  flex: 1;
-  padding: 1.25rem 1.35rem 1rem;
-}
-
 .title-line {
   display: flex;
   flex-wrap: wrap;
@@ -421,10 +511,10 @@ main {
   gap: 0.45rem;
 }
 
-.title-line h3 {
+.title-line h2 {
   margin: 0;
   font-family: Inter, Avenir, 'Segoe UI', sans-serif;
-  font-size: 1.3rem;
+  font-size: 1.35rem;
   letter-spacing: -0.025em;
 }
 
@@ -472,22 +562,6 @@ main {
   color: var(--muted);
 }
 
-.app-card__body > p {
-  margin: 0.75rem 0 0;
-  color: var(--muted);
-  line-height: 1.6;
-}
-
-.app-card__body .requirements {
-  font-size: 0.72rem;
-}
-
-.app-card__body .privacy-summary {
-  color: var(--text);
-  font-size: 0.76rem;
-  font-weight: 650;
-}
-
 .tag-row,
 .category-row {
   display: flex;
@@ -521,26 +595,11 @@ main {
   color: var(--brand);
 }
 
-.app-card__footer {
-  min-height: 68px;
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  gap: 1rem;
-  padding: 0.85rem 1.35rem;
-  border-top: 1px solid var(--line);
-}
-
 .version {
   color: var(--muted);
   font-size: 0.78rem;
 }
 
-.app-card__meta {
-  display: grid;
-  gap: 0.25rem;
-}
-
 .source-link,
 .site-footer a {
   position: relative;
@@ -548,12 +607,6 @@ main {
   color: var(--brand);
 }
 
-.open-hint {
-  color: var(--brand);
-  font-size: 0.84rem;
-  font-weight: 700;
-}
-
 .state-card {
   max-width: 600px;
   margin: 0 auto 5rem;
@@ -657,14 +710,16 @@ main {
   inset: 0;
   display: grid;
   place-items: center;
+  overflow-y: auto;
   padding: 1rem;
   background: rgba(5, 9, 22, 0.56);
   backdrop-filter: blur(5px);
 }
 
-.help-panel {
+.help-panel,
-  width: min(560px, 100%);
+.app-info-panel {
   max-height: calc(100vh - 2rem);
+  max-height: calc(100dvh - 2rem);
   overflow: auto;
   padding: 1.5rem;
   border: 1px solid var(--line);
@@ -673,6 +728,15 @@ main {
   box-shadow: 0 30px 90px rgba(0, 0, 0, 0.28);
 }
 
+.help-panel {
+  width: min(560px, 100%);
+}
+
+.app-info-panel {
+  position: relative;
+  width: min(680px, 100%);
+}
+
 .help-panel > header {
   display: flex;
   align-items: flex-start;
@@ -686,6 +750,105 @@ main {
   letter-spacing: -0.025em;
 }
 
+.app-info-panel__header {
+  display: flex;
+  align-items: flex-start;
+  justify-content: space-between;
+  gap: 1rem;
+}
+
+.app-info-panel__identity {
+  min-width: 0;
+  display: flex;
+  align-items: center;
+  gap: 1rem;
+}
+
+.app-info-panel__icon {
+  width: 4rem;
+  height: 4rem;
+  display: grid;
+  flex: 0 0 auto;
+  place-items: center;
+  overflow: hidden;
+  border-radius: 1rem;
+  background: var(--brand-soft);
+  color: var(--brand);
+  font-size: 1.45rem;
+  font-weight: 700;
+}
+
+.app-info-panel__icon img {
+  width: 100%;
+  height: 100%;
+  object-fit: contain;
+}
+
+.app-info-panel .eyebrow {
+  margin-bottom: 0.4rem;
+}
+
+.app-info-panel__body {
+  margin-top: 1.35rem;
+  padding: 1.1rem;
+  border: 1px solid var(--line);
+  border-radius: 0.85rem;
+  background: var(--surface);
+}
+
+.app-info-panel__description {
+  margin: 0;
+  color: var(--muted);
+  font-size: 1rem;
+  line-height: 1.6;
+}
+
+.app-info-panel__body .privacy-summary {
+  margin: 1rem 0 0;
+  color: var(--text);
+  font-size: 0.8rem;
+  font-weight: 650;
+  line-height: 1.5;
+}
+
+.app-info-panel__body .requirements {
+  margin: 0.55rem 0 0;
+  color: var(--muted);
+  font-size: 0.76rem;
+  line-height: 1.5;
+}
+
+.app-info-panel__footer {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 1rem;
+  margin-top: 1.25rem;
+}
+
+.app-info-panel__meta {
+  display: grid;
+  gap: 0.25rem;
+}
+
+.app-info-panel__launch {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  gap: 0.4rem;
+  padding: 0.7rem 0.9rem;
+  border-radius: 0.7rem;
+  background: var(--brand);
+  color: var(--surface) !important;
+  font-size: 0.85rem;
+  font-weight: 700;
+}
+
+.app-info-panel__launch:hover {
+  background: var(--brand-hover);
+  text-decoration: none;
+}
+
 .help-panel .eyebrow {
   margin-bottom: 0.5rem;
 }
@@ -790,7 +953,8 @@ main {
 @media (max-width: 700px) {
   main,
   .site-footer {
-    width: min(100% - 1.4rem, 1160px);
+    width: min(100%, 90rem);
+    padding-inline: 0.7rem;
   }
 
   .hero {
@@ -811,14 +975,6 @@ main {
     margin: 0.25rem 0;
   }
 
-  .app-grid {
-    grid-template-columns: 1fr;
-  }
-
-  .app-card {
-    min-height: 320px;
-  }
-
   .site-footer {
     min-height: 130px;
     align-items: flex-start;
@@ -842,15 +998,35 @@ main {
   .hidden-toggle {
     justify-self: start;
   }
+
+  .app-info-panel__header,
+  .app-info-panel__footer {
+    align-items: flex-start;
+    flex-direction: column;
+  }
+
+  .app-info-panel__header .close-button {
+    position: absolute;
+    top: 1.1rem;
+    right: 1.1rem;
+  }
+
+  .app-info-panel__identity {
+    padding-right: 2.5rem;
+  }
 }
 
 @media (min-width: 701px) and (max-width: 960px) {
   .hero {
     grid-template-columns: minmax(0, 1fr) minmax(17rem, 21rem);
   }
+}
 
-  .app-grid {
+@media (hover: none) {
-    grid-template-columns: repeat(2, minmax(0, 1fr));
+  .drag-handle {
+    opacity: 1;
+    pointer-events: auto;
+    transform: translate(0, -50%);
   }
 }
 

src/test/fixtures.ts

@@ -7,7 +7,7 @@ export const pdfManifest: ToolboxAppManifest = {
   schemaVersion: 1,
   id: 'de.add-ideas.pdf-tools',
   name: 'PDF Workbench',
-  version: '0.4.2',
+  version: '0.4.3',
   description: 'Page-level PDF operations performed locally in the browser.',
   entry: './',
   icon: './favicon.svg',
@@ -54,7 +54,7 @@ export const onenoteManifest: ToolboxAppManifest = {
   ...pdfManifest,
   id: 'de.add-ideas.onenote-tools',
   name: 'OneNote Reader',
-  version: '0.3.2',
+  version: '0.3.3',
   description: 'Inspect OneNote packages locally in the browser.',
   icon: './onenote.svg',
   categories: ['documents', 'notes'],

src/toolPresentation.ts

@@ -0,0 +1,27 @@
+import type { ResolvedApp } from './types';
+
+const PRESENTATION: Record<string, { title: string; description: string }> = {
+  'de.add-ideas.pdf-tools': {
+    title: 'PDF',
+    description: 'Arrange PDF pages locally.',
+  },
+  'de.add-ideas.xslt-tools': {
+    title: 'XSLT',
+    description: 'Transform XML locally.',
+  },
+  'de.add-ideas.onenote-tools': {
+    title: 'OneNote',
+    description: 'Open OneNote files locally.',
+  },
+};
+
+export function shortToolTitle(app: ResolvedApp): string {
+  return (
+    PRESENTATION[app.id]?.title ??
+    app.name.replace(/\s+(?:reader|tools?|workbench)$/iu, '')
+  );
+}
+
+export function shortToolDescription(app: ResolvedApp): string {
+  return PRESENTATION[app.id]?.description ?? app.description;
+}