new features, bookstack

2026-03-03 21:30:38 +01:00
parent 817329db70
commit d3561c1109
32 changed files with 1923 additions and 207 deletions
--- a/.env.example
+++ b/.env.example
@@ -159,6 +159,23 @@ AUTHENTIK_REDIRECT_URI=https://start.feuerwehr-rems.at/auth/callback
 # Used by the backend for Nextcloud integration
 NEXTCLOUD_URL=https://cloud.feuerwehr-rems.at

+# ============================================================================
+# BOOKSTACK CONFIGURATION
+# ============================================================================
+
+# BookStack base URL
+# The URL of your BookStack instance (without trailing slash)
+BOOKSTACK_URL=https://docs.feuerwehr-rems.at
+
+# BookStack API Token ID
+# Create via BookStack user profile → API Tokens
+BOOKSTACK_TOKEN_ID=your_bookstack_token_id
+
+# BookStack API Token Secret
+# Create via BookStack user profile → API Tokens
+# WARNING: Keep this secret!
+BOOKSTACK_TOKEN_SECRET=your_bookstack_token_secret
+
 # ============================================================================
 # LOGGING CONFIGURATION (Optional)
 # ============================================================================
--- a/backend/src/app.ts
+++ b/backend/src/app.ts
@@ -81,6 +81,7 @@ import atemschutzRoutes  from './routes/atemschutz.routes';
 import eventsRoutes      from './routes/events.routes';
 import bookingRoutes     from './routes/booking.routes';
 import notificationRoutes from './routes/notification.routes';
+import bookstackRoutes   from './routes/bookstack.routes';

 app.use('/api/auth',        authRoutes);
 app.use('/api/user',        userRoutes);
@@ -95,6 +96,7 @@ app.use('/api/nextcloud/talk', nextcloudRoutes);
 app.use('/api/events',      eventsRoutes);
 app.use('/api/bookings',    bookingRoutes);
 app.use('/api/notifications', notificationRoutes);
+app.use('/api/bookstack',   bookstackRoutes);

 // 404 handler
 app.use(notFoundHandler);
--- a/backend/src/config/environment.ts
+++ b/backend/src/config/environment.ts
@@ -33,6 +33,11 @@ interface EnvironmentConfig {
    redirectUri: string;
  };
  nextcloudUrl: string;
+  bookstack: {
+    url: string;
+    tokenId: string;
+    tokenSecret: string;
+  };
 }

 const environment: EnvironmentConfig = {
@@ -63,6 +68,11 @@ const environment: EnvironmentConfig = {
    redirectUri: process.env.AUTHENTIK_REDIRECT_URI || 'http://localhost:5173/auth/callback',
  },
  nextcloudUrl: process.env.NEXTCLOUD_URL || '',
+  bookstack: {
+    url: process.env.BOOKSTACK_URL || '',
+    tokenId: process.env.BOOKSTACK_TOKEN_ID || '',
+    tokenSecret: process.env.BOOKSTACK_TOKEN_SECRET || '',
+  },
 };

 export default environment;
--- a/backend/src/controllers/bookstack.controller.ts
+++ b/backend/src/controllers/bookstack.controller.ts
@@ -0,0 +1,41 @@
+import { Request, Response } from 'express';
+import bookstackService from '../services/bookstack.service';
+import environment from '../config/environment';
+import logger from '../utils/logger';
+
+class BookStackController {
+  async getRecent(_req: Request, res: Response): Promise<void> {
+    if (!environment.bookstack.url) {
+      res.status(200).json({ success: true, data: [], configured: false });
+      return;
+    }
+    try {
+      const pages = await bookstackService.getRecentPages();
+      res.status(200).json({ success: true, data: pages, configured: true });
+    } catch (error) {
+      logger.error('BookStackController.getRecent error', { error });
+      res.status(500).json({ success: false, message: 'BookStack konnte nicht abgefragt werden' });
+    }
+  }
+
+  async search(req: Request, res: Response): Promise<void> {
+    if (!environment.bookstack.url) {
+      res.status(200).json({ success: true, data: [], configured: false });
+      return;
+    }
+    const query = req.query.query as string | undefined;
+    if (!query || query.trim().length === 0) {
+      res.status(400).json({ success: false, message: 'Suchbegriff fehlt' });
+      return;
+    }
+    try {
+      const results = await bookstackService.searchPages(query.trim());
+      res.status(200).json({ success: true, data: results, configured: true });
+    } catch (error) {
+      logger.error('BookStackController.search error', { error });
+      res.status(500).json({ success: false, message: 'BookStack-Suche fehlgeschlagen' });
+    }
+  }
+}
+
+export default new BookStackController();
--- a/backend/src/controllers/events.controller.ts
+++ b/backend/src/controllers/events.controller.ts
@@ -325,6 +325,43 @@ class EventsController {
      res.status(500).json({ success: false, message: 'Fehler beim Erstellen des Kalender-Exports' });
    }
  };
+  // -------------------------------------------------------------------------
+  // POST /api/events/import
+  // -------------------------------------------------------------------------
+  importEvents = async (req: Request, res: Response): Promise<void> => {
+    try {
+      const { events } = req.body as { events: unknown[] };
+      if (!Array.isArray(events) || events.length === 0) {
+        res.status(400).json({ success: false, message: 'Keine Ereignisse zum Importieren' });
+        return;
+      }
+      const userId = (req.user as any)?.id ?? 'unknown';
+      const created: number[] = [];
+      const errors: string[] = [];
+
+      for (let i = 0; i < events.length; i++) {
+        try {
+          const parsed = CreateVeranstaltungSchema.safeParse(events[i]);
+          if (!parsed.success) {
+            errors.push(`Zeile ${i + 2}: ${parsed.error.issues.map((e) => e.message).join(', ')}`);
+            continue;
+          }
+          await eventsService.createEvent(parsed.data, userId);
+          created.push(i);
+        } catch (e) {
+          errors.push(`Zeile ${i + 2}: ${e instanceof Error ? e.message : 'Unbekannter Fehler'}`);
+        }
+      }
+
+      res.status(200).json({
+        success: true,
+        data: { created: created.length, errors },
+      });
+    } catch (error) {
+      logger.error('importEvents error', { error });
+      res.status(500).json({ success: false, message: 'Import fehlgeschlagen' });
+    }
+  };
 }

 export default new EventsController();
--- a/backend/src/routes/bookstack.routes.ts
+++ b/backend/src/routes/bookstack.routes.ts
@@ -0,0 +1,10 @@
+import { Router } from 'express';
+import bookstackController from '../controllers/bookstack.controller';
+import { authenticate } from '../middleware/auth.middleware';
+
+const router = Router();
+
+router.get('/recent', authenticate, bookstackController.getRecent.bind(bookstackController));
+router.get('/search', authenticate, bookstackController.search.bind(bookstackController));
+
+export default router;
--- a/backend/src/routes/events.routes.ts
+++ b/backend/src/routes/events.routes.ts
@@ -104,6 +104,17 @@ router.get(
 // Events CRUD
 // ---------------------------------------------------------------------------

+/**
+ * POST /api/events/import
+ * Bulk import events from CSV data. Requires admin or moderator.
+ */
+router.post(
+  '/import',
+  authenticate,
+  requireGroups(WRITE_GROUPS),
+  eventsController.importEvents.bind(eventsController)
+);
+
 /**
 * POST /api/events
 * Create a new event. Requires admin or moderator.
--- a/backend/src/services/bookstack.service.ts
+++ b/backend/src/services/bookstack.service.ts
@@ -0,0 +1,113 @@
+import axios from 'axios';
+import environment from '../config/environment';
+import logger from '../utils/logger';
+
+export interface BookStackPage {
+  id: number;
+  name: string;
+  slug: string;
+  book_id: number;
+  book_slug: string;
+  chapter_id: number;
+  draft: boolean;
+  template: boolean;
+  created_at: string;
+  updated_at: string;
+  url: string;
+  preview_html?: { content: string };
+  book?: { name: string };
+  tags?: { name: string; value: string; order: number }[];
+  createdBy?: { name: string };
+  updatedBy?: { name: string };
+}
+
+export interface BookStackSearchResult {
+  id: number;
+  name: string;
+  slug: string;
+  book_id: number;
+  book_slug: string;
+  url: string;
+  preview_html: { content: string };
+  tags: { name: string; value: string; order: number }[];
+}
+
+function buildHeaders(): Record<string, string> {
+  const { bookstack } = environment;
+  return {
+    'Authorization': `Token ${bookstack.tokenId}:${bookstack.tokenSecret}`,
+    'Content-Type': 'application/json',
+  };
+}
+
+async function getRecentPages(): Promise<BookStackPage[]> {
+  const { bookstack } = environment;
+  if (!bookstack.url) {
+    throw new Error('BOOKSTACK_URL is not configured');
+  }
+
+  try {
+    const response = await axios.get(
+      `${bookstack.url}/api/pages`,
+      {
+        params: { sort: '-updated_at', count: 5 },
+        headers: buildHeaders(),
+      },
+    );
+    const pages: BookStackPage[] = response.data?.data ?? [];
+    return pages.map((p) => ({
+      ...p,
+      url: `${bookstack.url}/books/${p.book_slug}/page/${p.slug}`,
+    }));
+  } catch (error) {
+    if (axios.isAxiosError(error)) {
+      logger.error('BookStack getRecentPages failed', {
+        status: error.response?.status,
+        statusText: error.response?.statusText,
+      });
+    }
+    logger.error('BookStackService.getRecentPages failed', { error });
+    throw new Error('Failed to fetch BookStack recent pages');
+  }
+}
+
+async function searchPages(query: string): Promise<BookStackSearchResult[]> {
+  const { bookstack } = environment;
+  if (!bookstack.url) {
+    throw new Error('BOOKSTACK_URL is not configured');
+  }
+
+  try {
+    const response = await axios.get(
+      `${bookstack.url}/api/search`,
+      {
+        params: { query, count: 8 },
+        headers: buildHeaders(),
+      },
+    );
+    const results: BookStackSearchResult[] = (response.data?.data ?? [])
+      .filter((item: any) => item.type === 'page')
+      .map((item: any) => ({
+        id: item.id,
+        name: item.name,
+        slug: item.slug,
+        book_id: item.book_id ?? 0,
+        book_slug: item.book_slug ?? '',
+        url: `${bookstack.url}/books/${item.book_slug}/page/${item.slug}`,
+        preview_html: item.preview_html ?? { content: '' },
+        tags: item.tags ?? [],
+      }));
+    return results;
+  } catch (error) {
+    if (axios.isAxiosError(error)) {
+      logger.error('BookStack searchPages failed', {
+        status: error.response?.status,
+        statusText: error.response?.statusText,
+      });
+    }
+    logger.error('BookStackService.searchPages failed', { error });
+    throw new Error('Failed to search BookStack pages');
+  }
+}
+
+export default { getRecentPages, searchPages };
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -12,11 +12,16 @@
        "@emotion/styled": "^11.11.0",
        "@mui/icons-material": "^5.14.18",
        "@mui/material": "^5.14.18",
+        "@tanstack/react-query": "^5.60.0",
        "axios": "^1.6.2",
+        "date-fns": "^3.6.0",
+        "jspdf": "^2.5.2",
+        "jspdf-autotable": "^3.8.4",
        "jwt-decode": "^4.0.0",
        "react": "^18.2.0",
        "react-dom": "^18.2.0",
-        "react-router-dom": "^6.20.0"
+        "react-router-dom": "^6.20.0",
+        "recharts": "^2.12.7"
      },
      "devDependencies": {
        "@types/react": "^18.2.37",
@@ -53,6 +58,7 @@
      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.29.0.tgz",
      "integrity": "sha512-CGOfOJqWjg2qW/Mb6zNsDm+u5vFQ8DxXfbM09z69p5Z6+mE1ikP2jUXw+j42Pf1XTYED2Rni5f95npYeuwMDQA==",
      "dev": true,
+      "peer": true,
      "dependencies": {
        "@babel/code-frame": "^7.29.0",
        "@babel/generator": "^7.29.0",
@@ -345,6 +351,7 @@
      "version": "11.14.0",
      "resolved": "https://registry.npmjs.org/@emotion/react/-/react-11.14.0.tgz",
      "integrity": "sha512-O000MLDBDdk/EohJPFUqvnp4qnHeYkVP5B0xEG0D/L7cOKP9kefu2DXn8dj74cQfsEzUqh+sr1RzFqiL1o+PpA==",
+      "peer": true,
      "dependencies": {
        "@babel/runtime": "^7.18.3",
        "@emotion/babel-plugin": "^11.13.5",
@@ -385,6 +392,7 @@
      "version": "11.14.1",
      "resolved": "https://registry.npmjs.org/@emotion/styled/-/styled-11.14.1.tgz",
      "integrity": "sha512-qEEJt42DuToa3gurlH4Qqc1kVpNq8wO8cJtDzU46TjlzWjDlsVyevtYCRijVq3SrHsROS+gVQ8Fnea108GnKzw==",
+      "peer": true,
      "dependencies": {
        "@babel/runtime": "^7.18.3",
        "@emotion/babel-plugin": "^11.13.5",
@@ -873,6 +881,7 @@
      "version": "5.18.0",
      "resolved": "https://registry.npmjs.org/@mui/material/-/material-5.18.0.tgz",
      "integrity": "sha512-bbH/HaJZpFtXGvWg3TsBWG4eyt3gah3E7nCNU8GLyRjVoWcA91Vm/T+sjHfUcwgJSw9iLtucfHBoq+qW/T30aA==",
+      "peer": true,
      "dependencies": {
        "@babel/runtime": "^7.23.9",
        "@mui/core-downloads-tracker": "^5.18.0",
@@ -1400,6 +1409,30 @@
        "win32"
      ]
    },
+    "node_modules/@tanstack/query-core": {
+      "version": "5.90.20",
+      "resolved": "https://npm.apple.com/@tanstack/query-core/-/query-core-5.90.20.tgz",
+      "integrity": "sha512-OMD2HLpNouXEfZJWcKeVKUgQ5n+n3A2JFmBaScpNDUqSrQSjiveC7dKMe53uJUg1nDG16ttFPz2xfilz6i2uVg==",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/tannerlinsley"
+      }
+    },
+    "node_modules/@tanstack/react-query": {
+      "version": "5.90.21",
+      "resolved": "https://npm.apple.com/@tanstack/react-query/-/react-query-5.90.21.tgz",
+      "integrity": "sha512-0Lu6y5t+tvlTJMTO7oh5NSpJfpg/5D41LlThfepTixPYkJ0sE2Jj0m0f6yYqujBwIXlId87e234+MxG3D3g7kg==",
+      "dependencies": {
+        "@tanstack/query-core": "5.90.20"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/tannerlinsley"
+      },
+      "peerDependencies": {
+        "react": "^18 || ^19"
+      }
+    },
    "node_modules/@types/babel__core": {
      "version": "7.20.5",
      "resolved": "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.20.5.tgz",
@@ -1441,6 +1474,60 @@
        "@babel/types": "^7.28.2"
      }
    },
+    "node_modules/@types/d3-array": {
+      "version": "3.2.2",
+      "resolved": "https://npm.apple.com/@types/d3-array/-/d3-array-3.2.2.tgz",
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+    },
+    "node_modules/@types/d3-color": {
+      "version": "3.1.3",
+      "resolved": "https://npm.apple.com/@types/d3-color/-/d3-color-3.1.3.tgz",
+      "integrity": "sha512-iO90scth9WAbmgv7ogoq57O9YpKmFBbmoEoCHDB2xMBY0+/KVrqAaCDyCE16dUspeOvIxFFRI+0sEtqDqy2b4A=="
+    },
+    "node_modules/@types/d3-ease": {
+      "version": "3.0.2",
+      "resolved": "https://npm.apple.com/@types/d3-ease/-/d3-ease-3.0.2.tgz",
+      "integrity": "sha512-NcV1JjO5oDzoK26oMzbILE6HW7uVXOHLQvHshBUW4UMdZGfiY6v5BeQwh9a9tCzv+CeefZQHJt5SRgK154RtiA=="
+    },
+    "node_modules/@types/d3-interpolate": {
+      "version": "3.0.4",
+      "resolved": "https://npm.apple.com/@types/d3-interpolate/-/d3-interpolate-3.0.4.tgz",
+      "integrity": "sha512-mgLPETlrpVV1YRJIglr4Ez47g7Yxjl1lj7YKsiMCb27VJH9W8NVM6Bb9d8kkpG/uAQS5AmbA48q2IAolKKo1MA==",
+      "dependencies": {
+        "@types/d3-color": "*"
+      }
+    },
+    "node_modules/@types/d3-path": {
+      "version": "3.1.1",
+      "resolved": "https://npm.apple.com/@types/d3-path/-/d3-path-3.1.1.tgz",
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+    },
+    "node_modules/@types/d3-scale": {
+      "version": "4.0.9",
+      "resolved": "https://npm.apple.com/@types/d3-scale/-/d3-scale-4.0.9.tgz",
+      "integrity": "sha512-dLmtwB8zkAeO/juAMfnV+sItKjlsw2lKdZVVy6LRr0cBmegxSABiLEpGVmSJJ8O08i4+sGR6qQtb6WtuwJdvVw==",
+      "dependencies": {
+        "@types/d3-time": "*"
+      }
+    },
+    "node_modules/@types/d3-shape": {
+      "version": "3.1.8",
+      "resolved": "https://npm.apple.com/@types/d3-shape/-/d3-shape-3.1.8.tgz",
+      "integrity": "sha512-lae0iWfcDeR7qt7rA88BNiqdvPS5pFVPpo5OfjElwNaT2yyekbM0C9vK+yqBqEmHr6lDkRnYNoTBYlAgJa7a4w==",
+      "dependencies": {
+        "@types/d3-path": "*"
+      }
+    },
+    "node_modules/@types/d3-time": {
+      "version": "3.0.4",
+      "resolved": "https://npm.apple.com/@types/d3-time/-/d3-time-3.0.4.tgz",
+      "integrity": "sha512-yuzZug1nkAAaBlBBikKZTgzCeA+k1uy4ZFwWANOfKw5z5LRhV0gNA7gNkKm7HoK+HRN0wX3EkxGk0fpbWhmB7g=="
+    },
+    "node_modules/@types/d3-timer": {
+      "version": "3.0.2",
+      "resolved": "https://npm.apple.com/@types/d3-timer/-/d3-timer-3.0.2.tgz",
+      "integrity": "sha512-Ps3T8E8dZDam6fUyNiMkekK3XUsaUEik+idO9/YjPtfj2qruF8tFBXS7XhtE4iIXBLxhmLjP3SXpLhVf21I9Lw=="
+    },
    "node_modules/@types/estree": {
      "version": "1.0.8",
      "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.8.tgz",
@@ -1457,10 +1544,18 @@
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    },
+    "node_modules/@types/raf": {
+      "version": "3.4.3",
+      "resolved": "https://artifacts.apple.com/artifactory/api/npm/npm-apple/@types/raf/-/raf-3.4.3.tgz",
+      "integrity": "sha512-c4YAvMedbPZ5tEyxzQdMoOhhJ4RD3rngZIdwC2/qDN3d7JpEhB6fiBRKVY1lg5B7Wk+uPBjn5f39j1/2MY1oOw==",
+      "license": "MIT",
+      "optional": true
+    },
    "node_modules/@types/react": {
      "version": "18.3.28",
      "resolved": "https://registry.npmjs.org/@types/react/-/react-18.3.28.tgz",
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+      "peer": true,
      "dependencies": {
        "@types/prop-types": "*",
        "csstype": "^3.2.2"
@@ -1508,6 +1603,18 @@
      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
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    },
+    "node_modules/atob": {
+      "version": "2.1.2",
+      "resolved": "https://artifacts.apple.com/artifactory/api/npm/npm-apple/atob/-/atob-2.1.2.tgz",
+      "integrity": "sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg==",
+      "license": "(MIT OR Apache-2.0)",
+      "bin": {
+        "atob": "bin/atob.js"
+      },
+      "engines": {
+        "node": ">= 4.5.0"
+      }
+    },
    "node_modules/axios": {
      "version": "1.13.5",
      "resolved": "https://registry.npmjs.org/axios/-/axios-1.13.5.tgz",
@@ -1532,6 +1639,15 @@
        "npm": ">=6"
      }
    },
+    "node_modules/base64-arraybuffer": {
+      "version": "1.0.2",
+      "resolved": "https://npm.apple.com/base64-arraybuffer/-/base64-arraybuffer-1.0.2.tgz",
+      "integrity": "sha512-I3yl4r9QB5ZRY3XuJVEPfc2XhZO6YweFPI+UovAzn+8/hb3oJ6lnysaFcjVpkCPfVWFUDvoZ8kmVDP7WyRtYtQ==",
+      "optional": true,
+      "engines": {
+        "node": ">= 0.6.0"
+      }
+    },
    "node_modules/baseline-browser-mapping": {
      "version": "2.10.0",
      "resolved": "https://registry.npmjs.org/baseline-browser-mapping/-/baseline-browser-mapping-2.10.0.tgz",
@@ -1563,6 +1679,7 @@
          "url": "https://github.com/sponsors/ai"
        }
      ],
+      "peer": true,
      "dependencies": {
        "baseline-browser-mapping": "^2.9.0",
        "caniuse-lite": "^1.0.30001759",
@@ -1577,6 +1694,18 @@
        "node": "^6 || ^7 || ^8 || ^9 || ^10 || ^11 || ^12 || >=13.7"
      }
    },
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+    "node_modules/recharts": {
+      "version": "2.15.4",
+      "resolved": "https://npm.apple.com/recharts/-/recharts-2.15.4.tgz",
+      "integrity": "sha512-UT/q6fwS3c1dHbXv2uFgYJ9BMFHu3fwnd7AYZaEQhXuYQ4hgsxLvsUXzGdKeZrW5xopzDCvuA2N41WJ88I7zIw==",
+      "dependencies": {
+        "clsx": "^2.0.0",
+        "eventemitter3": "^4.0.1",
+        "lodash": "^4.17.21",
+        "react-is": "^18.3.1",
+        "react-smooth": "^4.0.4",
+        "recharts-scale": "^0.4.4",
+        "tiny-invariant": "^1.3.1",
+        "victory-vendor": "^36.6.8"
+      },
+      "engines": {
+        "node": ">=14"
+      },
+      "peerDependencies": {
+        "react": "^16.0.0 || ^17.0.0 || ^18.0.0 || ^19.0.0",
+        "react-dom": "^16.0.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
+      }
+    },
+    "node_modules/recharts-scale": {
+      "version": "0.4.5",
+      "resolved": "https://npm.apple.com/recharts-scale/-/recharts-scale-0.4.5.tgz",
+      "integrity": "sha512-kivNFO+0OcUNu7jQquLXAxz1FIwZj8nrj+YkOKc5694NbjCvcT6aSZiIzNzd2Kul4o4rTto8QVR9lMNtxD4G1w==",
+      "dependencies": {
+        "decimal.js-light": "^2.4.1"
+      }
+    },
+    "node_modules/recharts/node_modules/react-is": {
+      "version": "18.3.1",
+      "resolved": "https://npm.apple.com/react-is/-/react-is-18.3.1.tgz",
+      "integrity": "sha512-/LLMVyas0ljjAtoYiPqYiL8VWXzUUdThrmU5+n20DZv+a+ClRoevUzw5JxU+Ieh5/c87ytoTBV9G1FiKfNJdmg=="
+    },
+    "node_modules/regenerator-runtime": {
+      "version": "0.13.11",
+      "resolved": "https://npm.apple.com/regenerator-runtime/-/regenerator-runtime-0.13.11.tgz",
+      "integrity": "sha512-kY1AZVr2Ra+t+piVaJ4gxaFaReZVH40AKNo7UCX6W+dEwBo/2oZJzqfuN1qLq1oL45o56cPaTXELwrTh8Fpggg==",
+      "optional": true
+    },
    "node_modules/resolve": {
      "version": "1.22.11",
      "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.22.11.tgz",
@@ -2352,6 +2806,16 @@
        "node": ">=4"
      }
    },
+    "node_modules/rgbcolor": {
+      "version": "1.0.1",
+      "resolved": "https://artifacts.apple.com/artifactory/api/npm/npm-apple/rgbcolor/-/rgbcolor-1.0.1.tgz",
+      "integrity": "sha512-9aZLIrhRaD97sgVhtJOW6ckOEh6/GnvQtdVNfdZ6s67+3/XwLS9lBcQYzEEhYVeUowN7pRzMLsyGhK2i/xvWbw==",
+      "license": "MIT OR SEE LICENSE IN FEEL-FREE.md",
+      "optional": true,
+      "engines": {
+        "node": ">= 0.8.15"
+      }
+    },
    "node_modules/rollup": {
      "version": "4.59.0",
      "resolved": "https://registry.npmjs.org/rollup/-/rollup-4.59.0.tgz",
@@ -2430,6 +2894,16 @@
        "node": ">=0.10.0"
      }
    },
+    "node_modules/stackblur-canvas": {
+      "version": "2.7.0",
+      "resolved": "https://artifacts.apple.com/artifactory/api/npm/npm-apple/stackblur-canvas/-/stackblur-canvas-2.7.0.tgz",
+      "integrity": "sha512-yf7OENo23AGJhBriGx0QivY5JP6Y1HbrrDI6WLt6C5auYZXlQrheoY8hD4ibekFKz1HOfE48Ww8kMWMnJD/zcQ==",
+      "license": "MIT",
+      "optional": true,
+      "engines": {
+        "node": ">=0.1.14"
+      }
+    },
    "node_modules/stylis": {
      "version": "4.2.0",
      "resolved": "https://registry.npmjs.org/stylis/-/stylis-4.2.0.tgz",
@@ -2446,6 +2920,32 @@
        "url": "https://github.com/sponsors/ljharb"
      }
    },
+    "node_modules/svg-pathdata": {
+      "version": "6.0.3",
+      "resolved": "https://artifacts.apple.com/artifactory/api/npm/npm-apple/svg-pathdata/-/svg-pathdata-6.0.3.tgz",
+      "integrity": "sha512-qsjeeq5YjBZ5eMdFuUa4ZosMLxgr5RZ+F+Y1OrDhuOCEInRMA3x74XdBtggJcj9kOeInz0WE+LgCPDkZFlBYJw==",
+      "license": "MIT",
+      "optional": true,
+      "engines": {
+        "node": ">=12.0.0"
+      }
+    },
+    "node_modules/text-segmentation": {
+      "version": "1.0.3",
+      "resolved": "https://artifacts.apple.com/artifactory/api/npm/npm-apple/text-segmentation/-/text-segmentation-1.0.3.tgz",
+      "integrity": "sha512-iOiPUo/BGnZ6+54OsWxZidGCsdU8YbE4PSpdPinp7DeMtUJNJBoJ/ouUSTJjHkh1KntHaltHl/gDs2FC4i5+Nw==",
+      "license": "MIT",
+      "optional": true,
+      "dependencies": {
+        "utrie": "^1.0.2"
+      }
+    },
+    "node_modules/tiny-invariant": {
+      "version": "1.3.3",
+      "resolved": "https://artifacts.apple.com/artifactory/api/npm/npm-apple/tiny-invariant/-/tiny-invariant-1.3.3.tgz",
+      "integrity": "sha512-+FbBPE1o9QAYvviau/qC5SE3caw21q3xkvWKBtja5vgqOWIHHJ3ioaq1VPfn/Szqctz2bU/oYeKd9/z5BL+PVg==",
+      "license": "MIT"
+    },
    "node_modules/typescript": {
      "version": "5.9.3",
      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
@@ -2489,11 +2989,43 @@
        "browserslist": ">= 4.21.0"
      }
    },
+    "node_modules/utrie": {
+      "version": "1.0.2",
+      "resolved": "https://artifacts.apple.com/artifactory/api/npm/npm-apple/utrie/-/utrie-1.0.2.tgz",
+      "integrity": "sha512-1MLa5ouZiOmQzUbjbu9VmjLzn1QLXBhwpUa7kdLUQK+KQ5KA9I1vk5U4YHe/X2Ch7PYnJfWuWT+VbuxbGwljhw==",
+      "license": "MIT",
+      "optional": true,
+      "dependencies": {
+        "base64-arraybuffer": "^1.0.2"
+      }
+    },
+    "node_modules/victory-vendor": {
+      "version": "36.9.2",
+      "resolved": "https://npm.apple.com/victory-vendor/-/victory-vendor-36.9.2.tgz",
+      "integrity": "sha512-PnpQQMuxlwYdocC8fIJqVXvkeViHYzotI+NJrCuav0ZYFoq912ZHBk3mCeuj+5/VpodOjPe1z0Fk2ihgzlXqjQ==",
+      "dependencies": {
+        "@types/d3-array": "^3.0.3",
+        "@types/d3-ease": "^3.0.0",
+        "@types/d3-interpolate": "^3.0.1",
+        "@types/d3-scale": "^4.0.2",
+        "@types/d3-shape": "^3.1.0",
+        "@types/d3-time": "^3.0.0",
+        "@types/d3-timer": "^3.0.0",
+        "d3-array": "^3.1.6",
+        "d3-ease": "^3.0.1",
+        "d3-interpolate": "^3.0.1",
+        "d3-scale": "^4.0.2",
+        "d3-shape": "^3.1.0",
+        "d3-time": "^3.0.0",
+        "d3-timer": "^3.0.1"
+      }
+    },
    "node_modules/vite": {
      "version": "5.4.21",
      "resolved": "https://registry.npmjs.org/vite/-/vite-5.4.21.tgz",
      "integrity": "sha512-o5a9xKjbtuhY6Bi5S3+HvbRERmouabWbyUcpXXUA1u+GNUKoROi9byOJ8M0nHbHYHkYICiMlqxkg1KkYmm25Sw==",
      "dev": true,
+      "peer": true,
      "dependencies": {
        "esbuild": "^0.21.3",
        "postcss": "^8.4.43",
@@ -2563,4 +3095,4 @@
      }
    }
  }
-}
+}
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -10,17 +10,19 @@
    "lint": "eslint . --ext ts,tsx --report-unused-disable-directives --max-warnings 0"
  },
  "dependencies": {
+    "@emotion/react": "^11.11.1",
+    "@emotion/styled": "^11.11.0",
+    "@mui/icons-material": "^5.14.18",
+    "@mui/material": "^5.14.18",
+    "@tanstack/react-query": "^5.60.0",
+    "axios": "^1.6.2",
+    "date-fns": "^3.6.0",
+    "jspdf": "^2.5.2",
+    "jspdf-autotable": "^3.8.4",
+    "jwt-decode": "^4.0.0",
    "react": "^18.2.0",
    "react-dom": "^18.2.0",
    "react-router-dom": "^6.20.0",
-    "@mui/material": "^5.14.18",
-    "@mui/icons-material": "^5.14.18",
-    "@emotion/react": "^11.11.1",
-    "@emotion/styled": "^11.11.0",
-    "axios": "^1.6.2",
-    "@tanstack/react-query": "^5.60.0",
-    "jwt-decode": "^4.0.0",
-    "date-fns": "^3.6.0",
    "recharts": "^2.12.7"
  },
  "devDependencies": {
--- a/frontend/src/components/dashboard/BookStackRecentWidget.tsx
+++ b/frontend/src/components/dashboard/BookStackRecentWidget.tsx
@@ -0,0 +1,138 @@
+import React from 'react';
+import {
+  Card,
+  CardContent,
+  Typography,
+  Box,
+  Divider,
+  Skeleton,
+} from '@mui/material';
+import { MenuBook } from '@mui/icons-material';
+import { useQuery } from '@tanstack/react-query';
+import { formatDistanceToNow } from 'date-fns';
+import { de } from 'date-fns/locale';
+import { bookstackApi } from '../../services/bookstack';
+import type { BookStackPage } from '../../types/bookstack.types';
+
+const PageRow: React.FC<{ page: BookStackPage; showDivider: boolean }> = ({
+  page,
+  showDivider,
+}) => {
+  const handleClick = () => {
+    window.open(page.url, '_blank', 'noopener,noreferrer');
+  };
+
+  const relativeTime = page.updated_at
+    ? formatDistanceToNow(new Date(page.updated_at), { addSuffix: true, locale: de })
+    : null;
+
+  return (
+    <>
+      <Box
+        onClick={handleClick}
+        sx={{
+          display: 'flex',
+          alignItems: 'flex-start',
+          justifyContent: 'space-between',
+          py: 1.5,
+          px: 1,
+          cursor: 'pointer',
+          borderRadius: 1,
+          transition: 'background-color 0.15s ease',
+          '&:hover': { bgcolor: 'action.hover' },
+        }}
+      >
+        <Box sx={{ flex: 1, minWidth: 0 }}>
+          <Typography variant="subtitle2" noWrap>
+            {page.name}
+          </Typography>
+          {page.book && (
+            <Typography variant="body2" color="text.secondary" noWrap sx={{ mt: 0.25 }}>
+              {page.book.name}
+            </Typography>
+          )}
+        </Box>
+        {relativeTime && (
+          <Typography
+            variant="caption"
+            color="text.secondary"
+            sx={{ ml: 1, whiteSpace: 'nowrap', mt: 0.25 }}
+          >
+            {relativeTime}
+          </Typography>
+        )}
+      </Box>
+      {showDivider && <Divider />}
+    </>
+  );
+};
+
+const BookStackRecentWidget: React.FC = () => {
+  const { data, isLoading, isError } = useQuery({
+    queryKey: ['bookstack-recent'],
+    queryFn: () => bookstackApi.getRecent(),
+    refetchInterval: 5 * 60 * 1000,
+    retry: 1,
+  });
+
+  const configured = data?.configured ?? true;
+  const pages = data?.data ?? [];
+
+  if (!configured) return null;
+
+  return (
+    <Card
+      sx={{
+        height: '100%',
+        transition: 'all 0.3s ease',
+        '&:hover': { boxShadow: 3 },
+      }}
+    >
+      <CardContent>
+        <Box sx={{ display: 'flex', alignItems: 'center', gap: 1, mb: 2 }}>
+          <MenuBook color="primary" />
+          <Typography variant="h6" sx={{ flexGrow: 1 }}>
+            BookStack — Neueste Seiten
+          </Typography>
+        </Box>
+
+        {isLoading && (
+          <Box>
+            {[1, 2, 3, 4, 5].map((n) => (
+              <Box key={n} sx={{ mb: 1.5 }}>
+                <Skeleton variant="text" width="70%" height={22} />
+                <Skeleton variant="text" width="50%" height={18} />
+              </Box>
+            ))}
+          </Box>
+        )}
+
+        {isError && (
+          <Typography variant="body2" color="text.secondary" sx={{ py: 2, textAlign: 'center' }}>
+            BookStack nicht erreichbar
+          </Typography>
+        )}
+
+        {!isLoading && !isError && pages.length === 0 && (
+          <Typography variant="body2" color="text.secondary" sx={{ py: 2, textAlign: 'center' }}>
+            Keine Seiten gefunden
+          </Typography>
+        )}
+
+        {!isLoading && !isError && pages.length > 0 && (
+          <Box>
+            {pages.map((page, index) => (
+              <PageRow
+                key={page.id}
+                page={page}
+                showDivider={index < pages.length - 1}
+              />
+            ))}
+          </Box>
+        )}
+      </CardContent>
+    </Card>
+  );
+};
+
+export default BookStackRecentWidget;
--- a/frontend/src/components/dashboard/BookStackSearchWidget.tsx
+++ b/frontend/src/components/dashboard/BookStackSearchWidget.tsx
@@ -0,0 +1,152 @@
+import React, { useState, useEffect, useRef } from 'react';
+import {
+  Card,
+  CardContent,
+  Typography,
+  Box,
+  TextField,
+  Divider,
+  CircularProgress,
+  InputAdornment,
+} from '@mui/material';
+import { Search, MenuBook } from '@mui/icons-material';
+import { bookstackApi } from '../../services/bookstack';
+import type { BookStackSearchResult } from '../../types/bookstack.types';
+
+function stripHtml(html: string): string {
+  return html.replace(/<[^>]*>/g, '').trim();
+}
+
+const ResultRow: React.FC<{ result: BookStackSearchResult; showDivider: boolean }> = ({
+  result,
+  showDivider,
+}) => {
+  const preview = result.preview_html?.content ? stripHtml(result.preview_html.content) : '';
+
+  return (
+    <>
+      <Box
+        onClick={() => window.open(result.url, '_blank', 'noopener,noreferrer')}
+        sx={{
+          py: 1.5,
+          px: 1,
+          cursor: 'pointer',
+          borderRadius: 1,
+          transition: 'background-color 0.15s ease',
+          '&:hover': { bgcolor: 'action.hover' },
+        }}
+      >
+        <Typography variant="subtitle2" noWrap>
+          {result.name}
+        </Typography>
+        {preview && (
+          <Typography
+            variant="body2"
+            color="text.secondary"
+            sx={{
+              mt: 0.25,
+              overflow: 'hidden',
+              display: '-webkit-box',
+              WebkitLineClamp: 2,
+              WebkitBoxOrient: 'vertical',
+            }}
+          >
+            {preview}
+          </Typography>
+        )}
+      </Box>
+      {showDivider && <Divider />}
+    </>
+  );
+};
+
+const BookStackSearchWidget: React.FC = () => {
+  const [query, setQuery] = useState('');
+  const [results, setResults] = useState<BookStackSearchResult[]>([]);
+  const [loading, setLoading] = useState(false);
+  const [configured, setConfigured] = useState(true);
+  const debounceRef = useRef<ReturnType<typeof setTimeout> | null>(null);
+
+  useEffect(() => {
+    if (debounceRef.current) clearTimeout(debounceRef.current);
+
+    if (!query.trim()) {
+      setResults([]);
+      setLoading(false);
+      return;
+    }
+
+    setLoading(true);
+    debounceRef.current = setTimeout(async () => {
+      try {
+        const response = await bookstackApi.search(query.trim());
+        setConfigured(response.configured);
+        setResults(response.data);
+      } catch {
+        setResults([]);
+      } finally {
+        setLoading(false);
+      }
+    }, 400);
+
+    return () => {
+      if (debounceRef.current) clearTimeout(debounceRef.current);
+    };
+  }, [query]);
+
+  if (!configured) return null;
+
+  return (
+    <Card
+      sx={{
+        height: '100%',
+        transition: 'all 0.3s ease',
+        '&:hover': { boxShadow: 3 },
+      }}
+    >
+      <CardContent>
+        <Box sx={{ display: 'flex', alignItems: 'center', gap: 1, mb: 2 }}>
+          <MenuBook color="primary" />
+          <Typography variant="h6" sx={{ flexGrow: 1 }}>
+            BookStack — Suche
+          </Typography>
+        </Box>
+
+        <TextField
+          fullWidth
+          size="small"
+          placeholder="Suchbegriff eingeben..."
+          value={query}
+          onChange={(e) => setQuery(e.target.value)}
+          InputProps={{
+            startAdornment: (
+              <InputAdornment position="start">
+                {loading ? <CircularProgress size={16} /> : <Search fontSize="small" />}
+              </InputAdornment>
+            ),
+          }}
+        />
+
+        {!loading && query.trim() && results.length === 0 && (
+          <Typography variant="body2" color="text.secondary" sx={{ py: 2, textAlign: 'center' }}>
+            Keine Ergebnisse für „{query}"
+          </Typography>
+        )}
+
+        {results.length > 0 && (
+          <Box sx={{ mt: 1 }}>
+            {results.map((result, index) => (
+              <ResultRow
+                key={result.id}
+                result={result}
+                showDivider={index < results.length - 1}
+              />
+            ))}
+          </Box>
+        )}
+      </CardContent>
+    </Card>
+  );
+};
+
+export default BookStackSearchWidget;
--- a/frontend/src/components/incidents/CreateEinsatzDialog.tsx
+++ b/frontend/src/components/incidents/CreateEinsatzDialog.tsx
@@ -14,6 +14,7 @@ import {
 } from '@mui/material';
 import { incidentsApi, EINSATZ_ARTEN, EINSATZ_ART_LABELS, CreateEinsatzPayload } from '../../services/incidents';
 import { useNotification } from '../../contexts/NotificationContext';
+import { toGermanDateTime, fromGermanDateTime } from '../../utils/dateInput';

 interface CreateEinsatzDialogProps {
  open: boolean;
@@ -21,16 +22,16 @@ interface CreateEinsatzDialogProps {
  onSuccess: () => void;
 }

-// Default alarm_time = now (rounded to minute)
-function nowISO(): string {
+// Default alarm_time = now (rounded to minute) in DD.MM.YYYY HH:MM format
+function nowGerman(): string {
  const d = new Date();
  d.setSeconds(0, 0);
-  return d.toISOString().slice(0, 16); // YYYY-MM-DDTHH:mm
+  return toGermanDateTime(d.toISOString());
 }

 const INITIAL_FORM: CreateEinsatzPayload & { alarm_time_local: string } = {
  alarm_time: '',
-  alarm_time_local: nowISO(),
+  alarm_time_local: nowGerman(),
  einsatz_art: 'Brand',
  einsatz_stichwort: '',
  strasse: '',
@@ -47,7 +48,7 @@ const CreateEinsatzDialog: React.FC<CreateEinsatzDialogProps> = ({
  onSuccess,
 }) => {
  const notification = useNotification();
-  const [form, setForm] = useState({ ...INITIAL_FORM, alarm_time_local: nowISO() });
+  const [form, setForm] = useState({ ...INITIAL_FORM, alarm_time_local: nowGerman() });
  const [loading, setLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);

@@ -74,8 +75,9 @@ const CreateEinsatzDialog: React.FC<CreateEinsatzDialogProps> = ({
    setLoading(true);
    try {
      // Convert local datetime string to UTC ISO string
+      const isoLocal = fromGermanDateTime(form.alarm_time_local);
      const payload: CreateEinsatzPayload = {
-        alarm_time: new Date(form.alarm_time_local).toISOString(),
+        alarm_time: isoLocal ? new Date(isoLocal).toISOString() : new Date().toISOString(),
        einsatz_art: form.einsatz_art,
        einsatz_stichwort: form.einsatz_stichwort || null,
        strasse: form.strasse || null,
@@ -88,7 +90,7 @@ const CreateEinsatzDialog: React.FC<CreateEinsatzDialogProps> = ({

      await incidentsApi.create(payload);
      notification.showSuccess('Einsatz erfolgreich angelegt');
-      setForm({ ...INITIAL_FORM, alarm_time_local: nowISO() });
+      setForm({ ...INITIAL_FORM, alarm_time_local: nowGerman() });
      onSuccess();
    } catch (err) {
      const msg = err instanceof Error ? err.message : 'Fehler beim Anlegen des Einsatzes';
@@ -101,7 +103,7 @@ const CreateEinsatzDialog: React.FC<CreateEinsatzDialogProps> = ({
  const handleClose = () => {
    if (loading) return;
    setError(null);
-    setForm({ ...INITIAL_FORM, alarm_time_local: nowISO() });
+    setForm({ ...INITIAL_FORM, alarm_time_local: nowGerman() });
    onClose();
  };

@@ -132,7 +134,7 @@ const CreateEinsatzDialog: React.FC<CreateEinsatzDialogProps> = ({
            <TextField
              label="Alarmzeit *"
              name="alarm_time_local"
-              type="datetime-local"
+              placeholder="TT.MM.JJJJ HH:MM"
              value={form.alarm_time_local}
              onChange={handleChange}
              InputLabelProps={{ shrink: true }}
@@ -141,7 +143,6 @@ const CreateEinsatzDialog: React.FC<CreateEinsatzDialogProps> = ({
              helperText="DD.MM.YYYY HH:mm"
              inputProps={{
                'aria-label': 'Alarmzeit',
-                // HTML datetime-local uses YYYY-MM-DDTHH:mm format
              }}
            />
          </Grid>
--- a/frontend/src/contexts/ThemeContext.tsx
+++ b/frontend/src/contexts/ThemeContext.tsx
@@ -0,0 +1,76 @@
+import React, { createContext, useContext, useState, useEffect, useMemo } from 'react';
+import { ThemeProvider } from '@mui/material/styles';
+import { CssBaseline } from '@mui/material';
+import { lightTheme, darkTheme } from '../theme/theme';
+
+type ThemeMode = 'system' | 'light' | 'dark';
+
+interface ThemeModeContextValue {
+  themeMode: ThemeMode;
+  setThemeMode: (mode: ThemeMode) => void;
+  resolvedMode: 'light' | 'dark';
+}
+
+const ThemeModeContext = createContext<ThemeModeContextValue>({
+  themeMode: 'system',
+  setThemeMode: () => {},
+  resolvedMode: 'light',
+});
+
+export function useThemeMode(): ThemeModeContextValue {
+  return useContext(ThemeModeContext);
+}
+
+function getSystemPreference(): 'light' | 'dark' {
+  if (window.matchMedia('(prefers-color-scheme: dark)').matches) {
+    return 'dark';
+  }
+  return 'light';
+}
+
+const STORAGE_KEY = 'themeMode';
+
+export const ThemeModeProvider: React.FC<{ children: React.ReactNode }> = ({ children }) => {
+  const [themeMode, setThemeModeState] = useState<ThemeMode>(() => {
+    const stored = localStorage.getItem(STORAGE_KEY);
+    if (stored === 'light' || stored === 'dark' || stored === 'system') {
+      return stored;
+    }
+    return 'system';
+  });
+
+  const [systemPreference, setSystemPreference] = useState<'light' | 'dark'>(getSystemPreference);
+
+  useEffect(() => {
+    const mq = window.matchMedia('(prefers-color-scheme: dark)');
+    const handler = (e: MediaQueryListEvent) => {
+      setSystemPreference(e.matches ? 'dark' : 'light');
+    };
+    mq.addEventListener('change', handler);
+    return () => mq.removeEventListener('change', handler);
+  }, []);
+
+  const setThemeMode = (mode: ThemeMode) => {
+    setThemeModeState(mode);
+    localStorage.setItem(STORAGE_KEY, mode);
+  };
+
+  const resolvedMode: 'light' | 'dark' =
+    themeMode === 'system' ? systemPreference : themeMode;
+
+  const theme = resolvedMode === 'dark' ? darkTheme : lightTheme;
+
+  const value = useMemo(
+    () => ({ themeMode, setThemeMode, resolvedMode }),
+    [themeMode, resolvedMode],
+  );
+
+  return (
+    <ThemeModeContext.Provider value={value}>
+      <ThemeProvider theme={theme}>
+        <CssBaseline />
+        {children}
+      </ThemeProvider>
+    </ThemeModeContext.Provider>
+  );
+};
--- a/frontend/src/main.tsx
+++ b/frontend/src/main.tsx
@@ -1,9 +1,8 @@
 import React from 'react';
 import ReactDOM from 'react-dom/client';
 import { BrowserRouter } from 'react-router-dom';
-import { CssBaseline, ThemeProvider } from '@mui/material';
 import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
-import { lightTheme } from './theme/theme';
+import { ThemeModeProvider } from './contexts/ThemeContext';
 import App from './App';

 const queryClient = new QueryClient({
@@ -20,12 +19,11 @@ const queryClient = new QueryClient({
 ReactDOM.createRoot(document.getElementById('root')!).render(
  <React.StrictMode>
    <BrowserRouter future={{ v7_startTransition: true, v7_relativeSplatPath: true }}>
-      <ThemeProvider theme={lightTheme}>
-        <CssBaseline />
+      <ThemeModeProvider>
        <QueryClientProvider client={queryClient}>
          <App />
        </QueryClientProvider>
-      </ThemeProvider>
+      </ThemeModeProvider>
    </BrowserRouter>
  </React.StrictMode>,
 );
--- a/frontend/src/pages/Atemschutz.tsx
+++ b/frontend/src/pages/Atemschutz.tsx
@@ -45,6 +45,7 @@ import { atemschutzApi } from '../services/atemschutz';
 import { membersService } from '../services/members';
 import { useNotification } from '../contexts/NotificationContext';
 import { useAuth } from '../contexts/AuthContext';
+import { toGermanDate, fromGermanDate } from '../utils/dateInput';
 import type {
  AtemschutzUebersicht,
  AtemschutzStats,
@@ -66,17 +67,6 @@ function formatDate(iso: string | null): string {
  });
 }

-/** Extract YYYY-MM-DD from an ISO timestamp or date string for <input type="date"> */
-function toInputDate(iso: string | null | undefined): string {
-  if (!iso) return '';
-  // Already DD.MM.YYYY
-  if (/^\d{2}\.\d{2}\.\d{4}$/.test(iso)) return iso;
-  // YYYY-MM-DD → DD.MM.YYYY
-  const m = iso.match(/^(\d{4})-(\d{2})-(\d{2})/);
-  if (m) return `${m[3]}.${m[2]}.${m[1]}`;
-  return '';
-}
-
 function getDisplayName(item: AtemschutzUebersicht): string {
  if (item.user_family_name || item.user_given_name) {
    return [item.user_family_name, item.user_given_name].filter(Boolean).join(', ');
@@ -240,12 +230,12 @@ function Atemschutz() {
    setForm({
      user_id: item.user_id,
      atemschutz_lehrgang: item.atemschutz_lehrgang,
-      lehrgang_datum: toInputDate(item.lehrgang_datum),
-      untersuchung_datum: toInputDate(item.untersuchung_datum),
-      untersuchung_gueltig_bis: toInputDate(item.untersuchung_gueltig_bis),
+      lehrgang_datum: toGermanDate(item.lehrgang_datum),
+      untersuchung_datum: toGermanDate(item.untersuchung_datum),
+      untersuchung_gueltig_bis: toGermanDate(item.untersuchung_gueltig_bis),
      untersuchung_ergebnis: item.untersuchung_ergebnis || '',
-      leistungstest_datum: toInputDate(item.leistungstest_datum),
-      leistungstest_gueltig_bis: toInputDate(item.leistungstest_gueltig_bis),
+      leistungstest_datum: toGermanDate(item.leistungstest_datum),
+      leistungstest_gueltig_bis: toGermanDate(item.leistungstest_gueltig_bis),
      leistungstest_bestanden: item.leistungstest_bestanden || false,
      bemerkung: item.bemerkung || '',
    });
@@ -267,24 +257,11 @@ function Atemschutz() {
    setForm((prev) => ({ ...prev, [field]: value }));
  };

-  /** Normalize dates before submit: parse DD.MM.YYYY or YYYY-MM-DD → YYYY-MM-DD for API */
+  /** Normalize dates before submit: parse DD.MM.YYYY → YYYY-MM-DD for API */
  const normalizeDate = (val: string | undefined): string | undefined => {
    if (!val) return undefined;
-    // DD.MM.YYYY format (German)
-    const dmy = val.match(/^(\d{1,2})\.(\d{1,2})\.(\d{4})$/);
-    if (dmy) {
-      const y = parseInt(dmy[3], 10);
-      if (y < 1900 || y > 2100) return undefined;
-      return `${dmy[3]}-${dmy[2].padStart(2, '0')}-${dmy[1].padStart(2, '0')}`;
-    }
-    // YYYY-MM-DD format (ISO)
-    const iso = val.match(/^(\d{4})-(\d{2})-(\d{2})$/);
-    if (iso) {
-      const y = parseInt(iso[1], 10);
-      if (y < 1900 || y > 2100) return undefined;
-      return val;
-    }
-    return undefined;
+    const iso = fromGermanDate(val);
+    return iso || undefined;
  };

  const handleSubmit = async () => {
--- a/frontend/src/pages/AusruestungDetail.tsx
+++ b/frontend/src/pages/AusruestungDetail.tsx
@@ -45,6 +45,7 @@ import {
 import { Link as RouterLink, useNavigate, useParams } from 'react-router-dom';
 import DashboardLayout from '../components/dashboard/DashboardLayout';
 import { equipmentApi } from '../services/equipment';
+import { fromGermanDate } from '../utils/dateInput';
 import {
  AusruestungDetail,
  AusruestungWartungslog,
@@ -375,6 +376,7 @@ const WartungTab: React.FC<WartungTabProps> = ({ equipmentId, wartungslog, onAdd
      setSaveError(null);
      await equipmentApi.addWartungslog(equipmentId, {
        ...form,
+        datum: fromGermanDate(form.datum) || form.datum,
        pruefende_stelle: form.pruefende_stelle || undefined,
        ergebnis: form.ergebnis || undefined,
      });
@@ -459,8 +461,8 @@ const WartungTab: React.FC<WartungTabProps> = ({ equipmentId, wartungslog, onAdd
            <Grid item xs={12} sm={6}>
              <TextField
                label="Datum *"
-                type="date"
                fullWidth
+                placeholder="TT.MM.JJJJ"
                value={form.datum}
                onChange={(e) => setForm((f) => ({ ...f, datum: e.target.value }))}
                InputLabelProps={{ shrink: true }}
--- a/frontend/src/pages/AusruestungForm.tsx
+++ b/frontend/src/pages/AusruestungForm.tsx
@@ -19,6 +19,7 @@ import {
 import { ArrowBack, Save } from '@mui/icons-material';
 import { useNavigate, useParams } from 'react-router-dom';
 import DashboardLayout from '../components/dashboard/DashboardLayout';
+import { toGermanDate, fromGermanDate } from '../utils/dateInput';
 import { equipmentApi } from '../services/equipment';
 import { vehiclesApi } from '../services/vehicles';
 import {
@@ -71,10 +72,9 @@ const EMPTY_FORM: FormState = {

 // -- Helpers ------------------------------------------------------------------

-/** Convert a Date ISO string like '2026-03-15T00:00:00.000Z' to 'YYYY-MM-DD' */
+/** Convert a Date ISO string like '2026-03-15T00:00:00.000Z' to 'DD.MM.YYYY' */
 function toDateInput(iso: string | null | undefined): string {
-  if (!iso) return '';
-  return iso.slice(0, 10);
+  return toGermanDate(iso);
 }

 // -- Component ----------------------------------------------------------------
@@ -217,8 +217,8 @@ function AusruestungForm() {
          fahrzeug_id:           form.fahrzeug_id || null,
          standort:              !form.fahrzeug_id ? (form.standort.trim() || 'Lager') : undefined,
          pruef_intervall_monate: form.pruef_intervall_monate ? parseInt(form.pruef_intervall_monate, 10) : undefined,
-          letzte_pruefung_am:    form.letzte_pruefung_am || undefined,
-          naechste_pruefung_am:  form.naechste_pruefung_am || undefined,
+          letzte_pruefung_am:    form.letzte_pruefung_am ? fromGermanDate(form.letzte_pruefung_am) || undefined : undefined,
+          naechste_pruefung_am:  form.naechste_pruefung_am ? fromGermanDate(form.naechste_pruefung_am) || undefined : undefined,
          bemerkung:             form.bemerkung.trim() || undefined,
        };
        await equipmentApi.update(id, payload);
@@ -237,8 +237,8 @@ function AusruestungForm() {
          fahrzeug_id:           form.fahrzeug_id || undefined,
          standort:              !form.fahrzeug_id ? (form.standort.trim() || 'Lager') : undefined,
          pruef_intervall_monate: form.pruef_intervall_monate ? parseInt(form.pruef_intervall_monate, 10) : undefined,
-          letzte_pruefung_am:    form.letzte_pruefung_am || undefined,
-          naechste_pruefung_am:  form.naechste_pruefung_am || undefined,
+          letzte_pruefung_am:    form.letzte_pruefung_am ? fromGermanDate(form.letzte_pruefung_am) || undefined : undefined,
+          naechste_pruefung_am:  form.naechste_pruefung_am ? fromGermanDate(form.naechste_pruefung_am) || undefined : undefined,
          bemerkung:             form.bemerkung.trim() || undefined,
        };
        const created = await equipmentApi.create(payload);
@@ -462,8 +462,8 @@ function AusruestungForm() {
            <Grid item xs={12} sm={4}>
              <TextField
                label="Letzte Prüfung"
-                type="date"
                fullWidth
+                placeholder="TT.MM.JJJJ"
                value={form.letzte_pruefung_am}
                onChange={(e) => setForm((prev) => ({ ...prev, letzte_pruefung_am: e.target.value }))}
                InputLabelProps={{ shrink: true }}
@@ -472,8 +472,8 @@ function AusruestungForm() {
            <Grid item xs={12} sm={4}>
              <TextField
                label="Nächste Prüfung"
-                type="date"
                fullWidth
+                placeholder="TT.MM.JJJJ"
                value={form.naechste_pruefung_am}
                onChange={(e) => setForm((prev) => ({ ...prev, naechste_pruefung_am: e.target.value }))}
                InputLabelProps={{ shrink: true }}
--- a/frontend/src/pages/Dashboard.tsx
+++ b/frontend/src/pages/Dashboard.tsx
@@ -13,6 +13,8 @@ import UpcomingEventsWidget from '../components/dashboard/UpcomingEventsWidget';
 import AtemschutzDashboardCard from '../components/atemschutz/AtemschutzDashboardCard';
 import EquipmentDashboardCard from '../components/equipment/EquipmentDashboardCard';
 import VehicleDashboardCard from '../components/vehicles/VehicleDashboardCard';
+import BookStackRecentWidget from '../components/dashboard/BookStackRecentWidget';
+import BookStackSearchWidget from '../components/dashboard/BookStackSearchWidget';
 function Dashboard() {
  const { user } = useAuth();
  const canViewAtemschutz = user?.groups?.some(g =>
@@ -104,6 +106,24 @@ function Dashboard() {
              </Fade>
            )}
          </Box>
+
+          {/* BookStack Recent Pages Widget */}
+          <Box>
+            <Fade in={!dataLoading} timeout={600} style={{ transitionDelay: '520ms' }}>
+              <Box>
+                <BookStackRecentWidget />
+              </Box>
+            </Fade>
+          </Box>
+
+          {/* BookStack Search Widget */}
+          <Box>
+            <Fade in={!dataLoading} timeout={600} style={{ transitionDelay: '560ms' }}>
+              <Box>
+                <BookStackSearchWidget />
+              </Box>
+            </Fade>
+          </Box>
        </Box>
      </Container>
    </DashboardLayout>
--- a/frontend/src/pages/Einsaetze.tsx
+++ b/frontend/src/pages/Einsaetze.tsx
@@ -36,6 +36,7 @@ import {
 import { format, parseISO } from 'date-fns';
 import { de } from 'date-fns/locale';
 import DashboardLayout from '../components/dashboard/DashboardLayout';
+import { fromGermanDate } from '../utils/dateInput';
 import IncidentStatsChart from '../components/incidents/IncidentStatsChart';
 import {
  incidentsApi,
@@ -206,12 +207,18 @@ function Einsaetze() {
        limit: rowsPerPage,
        offset: page * rowsPerPage,
      };
-      if (dateFrom) filters.dateFrom = new Date(dateFrom).toISOString();
+      if (dateFrom) {
+        const iso = fromGermanDate(dateFrom);
+        if (iso) filters.dateFrom = new Date(iso).toISOString();
+      }
      if (dateTo) {
        // Set to end of day for dateTo
-        const end = new Date(dateTo);
-        end.setHours(23, 59, 59, 999);
-        filters.dateTo = end.toISOString();
+        const iso = fromGermanDate(dateTo);
+        if (iso) {
+          const end = new Date(iso);
+          end.setHours(23, 59, 59, 999);
+          filters.dateTo = end.toISOString();
+        }
      }
      if (selectedArts.length === 1) filters.einsatzArt = selectedArts[0];

@@ -336,7 +343,7 @@ function Einsaetze() {
            <Grid item xs={12} sm={4} md={3}>
              <TextField
                label="Von (Alarmzeit)"
-                type="date"
+                placeholder="TT.MM.JJJJ"
                value={dateFrom}
                onChange={(e) => { setDateFrom(e.target.value); setPage(0); }}
                InputLabelProps={{ shrink: true }}
@@ -348,7 +355,7 @@ function Einsaetze() {
            <Grid item xs={12} sm={4} md={3}>
              <TextField
                label="Bis (Alarmzeit)"
-                type="date"
+                placeholder="TT.MM.JJJJ"
                value={dateTo}
                onChange={(e) => { setDateTo(e.target.value); setPage(0); }}
                InputLabelProps={{ shrink: true }}
--- a/frontend/src/pages/FahrzeugBuchungen.tsx
+++ b/frontend/src/pages/FahrzeugBuchungen.tsx
@@ -692,18 +692,33 @@ function FahrzeugBuchungen() {
                InputLabelProps={{ shrink: true }}
              />

-              {availability !== null && (
-                <Chip
-                  icon={availability ? <CheckCircle /> : <Warning />}
-                  label={
-                    availability
-                      ? 'Fahrzeug verfügbar'
-                      : 'Konflikt: bereits gebucht'
-                  }
-                  color={availability ? 'success' : 'error'}
-                  size="small"
-                  sx={{ alignSelf: 'flex-start' }}
-                />
+              {/* Availability indicator */}
+              {form.fahrzeugId && form.beginn && form.ende ? (
+                <Box sx={{ display: 'flex', alignItems: 'center', gap: 1 }}>
+                  {availability === null ? (
+                    <Box sx={{ display: 'flex', alignItems: 'center', gap: 1 }}>
+                      <CircularProgress size={16} />
+                      <Typography variant="body2" color="text.secondary">
+                        Verfügbarkeit wird geprüft...
+                      </Typography>
+                    </Box>
+                  ) : (
+                    <Chip
+                      icon={availability ? <CheckCircle /> : <Warning />}
+                      label={
+                        availability
+                          ? 'Fahrzeug verfügbar'
+                          : 'Konflikt: bereits gebucht'
+                      }
+                      color={availability ? 'success' : 'error'}
+                      size="small"
+                    />
+                  )}
+                </Box>
+              ) : (
+                <Typography variant="body2" color="text.secondary" sx={{ fontSize: '0.75rem' }}>
+                  Wähle Fahrzeug und Zeitraum für Verfügbarkeitsprüfung
+                </Typography>
              )}

              <FormControl fullWidth size="small">
@@ -758,25 +773,43 @@ function FahrzeugBuchungen() {
          </DialogContent>
          <DialogActions>
            <Button onClick={() => setDialogOpen(false)}>Abbrechen</Button>
-            <Button
-              variant="contained"
-              onClick={handleSave}
-              disabled={
-                dialogLoading ||
-                !form.titel ||
-                !form.fahrzeugId ||
-                !form.beginn ||
-                !form.ende
+            <Tooltip
+              title={
+                dialogLoading || (form.titel && form.fahrzeugId && form.beginn && form.ende)
+                  ? ''
+                  : `Bitte fülle alle Pflichtfelder aus: ${[
+                      !form.titel && 'Titel',
+                      !form.fahrzeugId && 'Fahrzeug',
+                      !form.beginn && 'Beginn',
+                      !form.ende && 'Ende',
+                    ]
+                      .filter(Boolean)
+                      .join(', ')}`
              }
+              disableHoverListener={!!(form.titel && form.fahrzeugId && form.beginn && form.ende)}
            >
-              {dialogLoading ? (
-                <CircularProgress size={20} />
-              ) : editingBooking ? (
-                'Speichern'
-              ) : (
-                'Buchen'
-              )}
-            </Button>
+              <span>
+                <Button
+                  variant="contained"
+                  onClick={handleSave}
+                  disabled={
+                    dialogLoading ||
+                    !form.titel ||
+                    !form.fahrzeugId ||
+                    !form.beginn ||
+                    !form.ende
+                  }
+                >
+                  {dialogLoading ? (
+                    <CircularProgress size={20} />
+                  ) : editingBooking ? (
+                    'Speichern'
+                  ) : (
+                    'Buchen'
+                  )}
+                </Button>
+              </span>
+            </Tooltip>
          </DialogActions>
        </Dialog>

--- a/frontend/src/pages/FahrzeugDetail.tsx
+++ b/frontend/src/pages/FahrzeugDetail.tsx
@@ -56,6 +56,7 @@ import {
 import { useNavigate, useParams } from 'react-router-dom';
 import DashboardLayout from '../components/dashboard/DashboardLayout';
 import { vehiclesApi } from '../services/vehicles';
+import { fromGermanDate } from '../utils/dateInput';
 import { equipmentApi } from '../services/equipment';
 import {
  FahrzeugDetail,
@@ -347,6 +348,7 @@ const WartungTab: React.FC<WartungTabProps> = ({ fahrzeugId, wartungslog, onAdde
      setSaveError(null);
      await vehiclesApi.addWartungslog(fahrzeugId, {
        ...form,
+        datum: fromGermanDate(form.datum) || form.datum,
        externe_werkstatt: form.externe_werkstatt || undefined,
      });
      setDialogOpen(false);
@@ -411,8 +413,8 @@ const WartungTab: React.FC<WartungTabProps> = ({ fahrzeugId, wartungslog, onAdde
            <Grid item xs={12} sm={6}>
              <TextField
                label="Datum *"
-                type="date"
                fullWidth
+                placeholder="TT.MM.JJJJ"
                value={form.datum}
                onChange={(e) => setForm((f) => ({ ...f, datum: e.target.value }))}
                InputLabelProps={{ shrink: true }}
--- a/frontend/src/pages/FahrzeugForm.tsx
+++ b/frontend/src/pages/FahrzeugForm.tsx
@@ -18,6 +18,7 @@ import { ArrowBack, Save } from '@mui/icons-material';
 import { useNavigate, useParams } from 'react-router-dom';
 import DashboardLayout from '../components/dashboard/DashboardLayout';
 import { vehiclesApi } from '../services/vehicles';
+import { toGermanDate, fromGermanDate } from '../utils/dateInput';
 import {
  FahrzeugStatus,
  FahrzeugStatusLabel,
@@ -64,10 +65,9 @@ const EMPTY_FORM: FormState = {

 // ── Helpers ───────────────────────────────────────────────────────────────────

-/** Convert a Date ISO string like '2026-03-15T00:00:00.000Z' to 'YYYY-MM-DD' */
+/** Convert a Date ISO string like '2026-03-15T00:00:00.000Z' to 'DD.MM.YYYY' */
 function toDateInput(iso: string | null | undefined): string {
-  if (!iso) return '';
-  return iso.slice(0, 10);
+  return toGermanDate(iso);
 }

 // ── Component ─────────────────────────────────────────────────────────────────
@@ -169,8 +169,8 @@ function FahrzeugForm() {
          status_bemerkung:       form.status_bemerkung.trim() || undefined,
          standort:               form.standort.trim() || 'Feuerwehrhaus',
          bild_url:               form.bild_url.trim() || undefined,
-          paragraph57a_faellig_am: form.paragraph57a_faellig_am || undefined,
-          naechste_wartung_am:    form.naechste_wartung_am || undefined,
+          paragraph57a_faellig_am: form.paragraph57a_faellig_am ? fromGermanDate(form.paragraph57a_faellig_am) || undefined : undefined,
+          naechste_wartung_am:    form.naechste_wartung_am ? fromGermanDate(form.naechste_wartung_am) || undefined : undefined,
        };
        await vehiclesApi.update(id, payload);
        navigate(`/fahrzeuge/${id}`);
@@ -188,8 +188,8 @@ function FahrzeugForm() {
          status_bemerkung:       form.status_bemerkung.trim() || undefined,
          standort:               form.standort.trim() || 'Feuerwehrhaus',
          bild_url:               form.bild_url.trim() || undefined,
-          paragraph57a_faellig_am: form.paragraph57a_faellig_am || undefined,
-          naechste_wartung_am:    form.naechste_wartung_am || undefined,
+          paragraph57a_faellig_am: form.paragraph57a_faellig_am ? fromGermanDate(form.paragraph57a_faellig_am) || undefined : undefined,
+          naechste_wartung_am:    form.naechste_wartung_am ? fromGermanDate(form.naechste_wartung_am) || undefined : undefined,
        };
        const newVehicle = await vehiclesApi.create(payload);
        navigate(`/fahrzeuge/${newVehicle.id}`);
@@ -314,8 +314,8 @@ function FahrzeugForm() {
            <Grid item xs={12} sm={6}>
              <TextField
                label="§57a fällig am"
-                type="date"
                fullWidth
+                placeholder="TT.MM.JJJJ"
                value={form.paragraph57a_faellig_am}
                onChange={(e) => setForm((prev) => ({ ...prev, paragraph57a_faellig_am: e.target.value }))}
                InputLabelProps={{ shrink: true }}
@@ -325,8 +325,8 @@ function FahrzeugForm() {
            <Grid item xs={12} sm={6}>
              <TextField
                label="Nächste Wartung am"
-                type="date"
                fullWidth
+                placeholder="TT.MM.JJJJ"
                value={form.naechste_wartung_am}
                onChange={(e) => setForm((prev) => ({ ...prev, naechste_wartung_am: e.target.value }))}
                InputLabelProps={{ shrink: true }}
--- a/frontend/src/pages/Kalender.tsx
+++ b/frontend/src/pages/Kalender.tsx
@@ -55,8 +55,11 @@ import {
  DirectionsCar as CarIcon,
  Edit as EditIcon,
  Event as EventIcon,
+  FileDownload as FileDownloadIcon,
+  FileUpload as FileUploadIcon,
  HelpOutline as UnknownIcon,
  IosShare,
+  PictureAsPdf as PdfIcon,
  Star as StarIcon,
  Today as TodayIcon,
  Tune,
@@ -65,6 +68,7 @@ import {
 } from '@mui/icons-material';
 import { useNavigate } from 'react-router-dom';
 import DashboardLayout from '../components/dashboard/DashboardLayout';
+import { toGermanDate, toGermanDateTime, fromGermanDate, fromGermanDateTime } from '../utils/dateInput';
 import { useAuth } from '../contexts/AuthContext';
 import { useNotification } from '../contexts/NotificationContext';
 import { trainingApi } from '../services/training';
@@ -193,13 +197,12 @@ function formatDateLong(d: Date): string {
  return `${days[d.getDay()]}, ${d.getDate()}. ${MONTH_LABELS[d.getMonth()]} ${d.getFullYear()}`;
 }

-function toDatetimeLocal(isoString: string): string {
-  const d = new Date(isoString);
-  const pad = (n: number) => String(n).padStart(2, '0');
-  return `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())}T${pad(d.getHours())}:${pad(d.getMinutes())}`;
-}
-
 function fromDatetimeLocal(value: string): string {
+  if (!value) return new Date().toISOString();
+  const dtIso = fromGermanDateTime(value);
+  if (dtIso) return new Date(dtIso).toISOString();
+  const dIso = fromGermanDate(value);
+  if (dIso) return new Date(dIso).toISOString();
  return new Date(value).toISOString();
 }

@@ -609,6 +612,323 @@ function DayPopover({
  );
 }

+// ──────────────────────────────────────────────────────────────────────────────
+// PDF Export helper
+// ──────────────────────────────────────────────────────────────────────────────
+
+async function generatePdf(
+  year: number,
+  month: number,
+  trainingEvents: UebungListItem[],
+  veranstaltungen: VeranstaltungListItem[],
+) {
+  // Dynamically import jsPDF to avoid bundle bloat if not needed
+  const { jsPDF } = await import('jspdf');
+  const autoTable = (await import('jspdf-autotable')).default;
+
+  const doc = new jsPDF({ orientation: 'landscape', unit: 'mm', format: 'a4' });
+  const monthLabel = MONTH_LABELS[month];
+
+  // Header bar
+  doc.setFillColor(183, 28, 28); // fire-red
+  doc.rect(0, 0, 297, 18, 'F');
+  doc.setTextColor(255, 255, 255);
+  doc.setFontSize(14);
+  doc.setFont('helvetica', 'bold');
+  doc.text(`Kalender — ${monthLabel} ${year}`, 10, 12);
+  doc.setFontSize(9);
+  doc.setFont('helvetica', 'normal');
+  doc.text('Feuerwehr Rems', 250, 12);
+
+  // Build combined list (same logic as CombinedListView)
+  type ListEntry =
+    | { kind: 'training'; item: UebungListItem }
+    | { kind: 'event'; item: VeranstaltungListItem };
+
+  const combined: ListEntry[] = [
+    ...trainingEvents.map((t): ListEntry => ({ kind: 'training', item: t })),
+    ...veranstaltungen.map((e): ListEntry => ({ kind: 'event', item: e })),
+  ].sort((a, b) => a.item.datum_von.localeCompare(b.item.datum_von));
+
+  const formatDateCell = (iso: string) => {
+    const d = new Date(iso);
+    return `${String(d.getDate()).padStart(2, '0')}.${String(d.getMonth() + 1).padStart(2, '0')}.${d.getFullYear()}`;
+  };
+  const formatTimeCell = (iso: string) => {
+    const d = new Date(iso);
+    return `${String(d.getHours()).padStart(2, '0')}:${String(d.getMinutes()).padStart(2, '0')}`;
+  };
+
+  const rows = combined.map((entry) => {
+    const item = entry.item;
+    return [
+      formatDateCell(item.datum_von),
+      formatTimeCell(item.datum_von),
+      item.titel,
+      entry.kind === 'training'
+        ? (item as UebungListItem).typ
+        : ((item as VeranstaltungListItem).kategorie_name ?? 'Veranstaltung'),
+      (item as any).ort ?? '',
+    ];
+  });
+
+  autoTable(doc, {
+    head: [['Datum', 'Uhrzeit', 'Titel', 'Kategorie/Typ', 'Ort']],
+    body: rows,
+    startY: 22,
+    headStyles: { fillColor: [183, 28, 28], textColor: 255, fontStyle: 'bold' },
+    alternateRowStyles: { fillColor: [250, 235, 235] },
+    margin: { left: 10, right: 10 },
+    styles: { fontSize: 9, cellPadding: 2 },
+    columnStyles: {
+      0: { cellWidth: 25 },
+      1: { cellWidth: 18 },
+      2: { cellWidth: 90 },
+      3: { cellWidth: 40 },
+      4: { cellWidth: 60 },
+    },
+  });
+
+  const filename = `kalender_${year}_${String(month + 1).padStart(2, '0')}.pdf`;
+  doc.save(filename);
+}
+
+// ──────────────────────────────────────────────────────────────────────────────
+// CSV Import Dialog
+// ──────────────────────────────────────────────────────────────────────────────
+
+const CSV_EXAMPLE = [
+  'Titel;Datum Von;Datum Bis;Ganztaegig;Ort;Kategorie;Beschreibung',
+  'Übung Atemschutz;15.03.2026 19:00;15.03.2026 21:00;Nein;Feuerwehrhaus;Übung;Atemschutzübung für alle',
+  'Tag der offenen Tür;20.04.2026;20.04.2026;Ja;Feuerwehrhaus;Veranstaltung;',
+].join('\n');
+
+interface CsvRow {
+  titel: string;
+  datum_von: string;
+  datum_bis: string;
+  ganztaegig: boolean;
+  ort: string | null;
+  beschreibung: string | null;
+  valid: boolean;
+  error?: string;
+}
+
+function parseCsvRow(line: string, lineNo: number): CsvRow {
+  const parts = line.split(';');
+  if (parts.length < 4) {
+    return { titel: '', datum_von: '', datum_bis: '', ganztaegig: false, ort: null, beschreibung: null, valid: false, error: `Zeile ${lineNo}: Zu wenige Spalten` };
+  }
+  const [titel, rawVon, rawBis, rawGanztaegig, ort, , beschreibung] = parts;
+  const ganztaegig = rawGanztaegig?.trim().toLowerCase() === 'ja';
+
+  const convertDate = (raw: string): string => {
+    const trimmed = raw.trim();
+    // DD.MM.YYYY HH:MM
+    const dtIso = fromGermanDateTime(trimmed);
+    if (dtIso) return new Date(dtIso).toISOString();
+    // DD.MM.YYYY
+    const dIso = fromGermanDate(trimmed);
+    if (dIso) return new Date(dIso + 'T00:00:00').toISOString();
+    return '';
+  };
+
+  const datum_von = convertDate(rawVon ?? '');
+  const datum_bis = convertDate(rawBis ?? '');
+
+  if (!titel?.trim()) {
+    return { titel: '', datum_von, datum_bis, ganztaegig, ort: null, beschreibung: null, valid: false, error: `Zeile ${lineNo}: Titel fehlt` };
+  }
+  if (!datum_von) {
+    return { titel: titel.trim(), datum_von, datum_bis, ganztaegig, ort: null, beschreibung: null, valid: false, error: `Zeile ${lineNo}: Datum Von ungültig` };
+  }
+
+  return {
+    titel: titel.trim(),
+    datum_von,
+    datum_bis: datum_bis || datum_von,
+    ganztaegig,
+    ort: ort?.trim() || null,
+    beschreibung: beschreibung?.trim() || null,
+    valid: true,
+  };
+}
+
+interface CsvImportDialogProps {
+  open: boolean;
+  onClose: () => void;
+  onImported: () => void;
+}
+
+function CsvImportDialog({ open, onClose, onImported }: CsvImportDialogProps) {
+  const [rows, setRows] = useState<CsvRow[]>([]);
+  const [importing, setImporting] = useState(false);
+  const [result, setResult] = useState<{ created: number; errors: string[] } | null>(null);
+  const notification = useNotification();
+  const fileRef = React.useRef<HTMLInputElement>(null);
+
+  const handleFileChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+    const file = e.target.files?.[0];
+    if (!file) return;
+    const reader = new FileReader();
+    reader.onload = (ev) => {
+      const text = ev.target?.result as string;
+      const lines = text.split(/\r?\n/).filter((l) => l.trim());
+      // Skip header line
+      const dataLines = lines[0]?.toLowerCase().includes('titel') ? lines.slice(1) : lines;
+      const parsed = dataLines.map((line, i) => parseCsvRow(line, i + 2));
+      setRows(parsed);
+      setResult(null);
+    };
+    reader.readAsText(file, 'UTF-8');
+  };
+
+  const downloadExample = () => {
+    const blob = new Blob(['\uFEFF' + CSV_EXAMPLE], { type: 'text/csv;charset=utf-8;' });
+    const url = URL.createObjectURL(blob);
+    const a = document.createElement('a');
+    a.href = url;
+    a.download = 'kalender_import_beispiel.csv';
+    a.click();
+    URL.revokeObjectURL(url);
+  };
+
+  const validRows = rows.filter((r) => r.valid);
+
+  const handleImport = async () => {
+    if (validRows.length === 0) return;
+    setImporting(true);
+    try {
+      const events = validRows.map((r) => ({
+        titel: r.titel,
+        datum_von: r.datum_von,
+        datum_bis: r.datum_bis,
+        ganztaegig: r.ganztaegig,
+        ort: r.ort,
+        beschreibung: r.beschreibung,
+        zielgruppen: [],
+        alle_gruppen: true,
+        anmeldung_erforderlich: false,
+      }));
+      const res = await eventsApi.importEvents(events);
+      setResult(res);
+      if (res.created > 0) {
+        notification.showSuccess(`${res.created} Veranstaltung${res.created !== 1 ? 'en' : ''} importiert`);
+        onImported();
+      }
+    } catch {
+      notification.showError('Import fehlgeschlagen');
+    } finally {
+      setImporting(false);
+    }
+  };
+
+  const handleClose = () => {
+    setRows([]);
+    setResult(null);
+    if (fileRef.current) fileRef.current.value = '';
+    onClose();
+  };
+
+  return (
+    <Dialog open={open} onClose={handleClose} maxWidth="md" fullWidth>
+      <DialogTitle>Kalender importieren (CSV)</DialogTitle>
+      <DialogContent>
+        <Stack spacing={2} sx={{ mt: 1 }}>
+          <Button
+            variant="outlined"
+            size="small"
+            startIcon={<FileDownloadIcon />}
+            onClick={downloadExample}
+            sx={{ alignSelf: 'flex-start' }}
+          >
+            Beispiel-CSV herunterladen
+          </Button>
+
+          <Box>
+            <input
+              ref={fileRef}
+              type="file"
+              accept=".csv,text/csv"
+              onChange={handleFileChange}
+              style={{ display: 'none' }}
+              id="csv-import-input"
+            />
+            <label htmlFor="csv-import-input">
+              <Button variant="contained" component="span" startIcon={<FileUploadIcon />}>
+                CSV-Datei auswählen
+              </Button>
+            </label>
+          </Box>
+
+          {rows.length > 0 && (
+            <>
+              <Typography variant="body2">
+                {validRows.length} gültige / {rows.length - validRows.length} fehlerhafte Zeilen
+              </Typography>
+              {rows.some((r) => !r.valid) && (
+                <Alert severity="warning" sx={{ whiteSpace: 'pre-line' }}>
+                  {rows.filter((r) => !r.valid).map((r) => r.error).join('\n')}
+                </Alert>
+              )}
+              <TableContainer component={Paper} variant="outlined" sx={{ maxHeight: 300 }}>
+                <Table size="small" stickyHeader>
+                  <TableHead>
+                    <TableRow>
+                      <TableCell>Status</TableCell>
+                      <TableCell>Titel</TableCell>
+                      <TableCell>Von</TableCell>
+                      <TableCell>Bis</TableCell>
+                      <TableCell>Ganztägig</TableCell>
+                      <TableCell>Ort</TableCell>
+                    </TableRow>
+                  </TableHead>
+                  <TableBody>
+                    {rows.map((row, i) => (
+                      <TableRow key={i} sx={{ bgcolor: row.valid ? undefined : 'error.light' }}>
+                        <TableCell>
+                          <Chip
+                            label={row.valid ? 'OK' : 'Fehler'}
+                            color={row.valid ? 'success' : 'error'}
+                            size="small"
+                          />
+                        </TableCell>
+                        <TableCell>{row.titel}</TableCell>
+                        <TableCell>{row.datum_von ? new Date(row.datum_von).toLocaleDateString('de-DE') : '—'}</TableCell>
+                        <TableCell>{row.datum_bis ? new Date(row.datum_bis).toLocaleDateString('de-DE') : '—'}</TableCell>
+                        <TableCell>{row.ganztaegig ? 'Ja' : 'Nein'}</TableCell>
+                        <TableCell>{row.ort ?? '—'}</TableCell>
+                      </TableRow>
+                    ))}
+                  </TableBody>
+                </Table>
+              </TableContainer>
+            </>
+          )}
+
+          {result && (
+            <Alert severity={result.errors.length === 0 ? 'success' : 'warning'}>
+              {result.created} Veranstaltung{result.created !== 1 ? 'en' : ''} importiert.
+              {result.errors.length > 0 && ` ${result.errors.length} Fehler.`}
+            </Alert>
+          )}
+        </Stack>
+      </DialogContent>
+      <DialogActions>
+        <Button onClick={handleClose}>Schließen</Button>
+        <Button
+          variant="contained"
+          onClick={handleImport}
+          disabled={validRows.length === 0 || importing}
+          startIcon={importing ? <CircularProgress size={16} /> : <FileUploadIcon />}
+        >
+          {validRows.length > 0 ? `${validRows.length} importieren` : 'Importieren'}
+        </Button>
+      </DialogActions>
+    </Dialog>
+  );
+}
+
 // ──────────────────────────────────────────────────────────────────────────────
 // Combined List View (training + events sorted by date)
 // ──────────────────────────────────────────────────────────────────────────────
@@ -874,7 +1194,7 @@ function VeranstaltungFormDialog({
        wiederholung: (!editingEvent && wiederholungAktiv && wiederholungBis)
          ? {
              typ: wiederholungTyp,
-              bis: wiederholungBis,
+              bis: fromGermanDate(wiederholungBis) || wiederholungBis,
              intervall: wiederholungTyp === 'wöchentlich' ? wiederholungIntervall : undefined,
              wochentag: (wiederholungTyp === 'monatlich_erster_wochentag' || wiederholungTyp === 'monatlich_letzter_wochentag')
                ? wiederholungWochentag
@@ -956,16 +1276,17 @@ function VeranstaltungFormDialog({
          />
          <TextField
            label="Von"
-            type={form.ganztaegig ? 'date' : 'datetime-local'}
+            placeholder={form.ganztaegig ? 'TT.MM.JJJJ' : 'TT.MM.JJJJ HH:MM'}
            value={
              form.ganztaegig
-                ? toDatetimeLocal(form.datum_von).slice(0, 10)
-                : toDatetimeLocal(form.datum_von)
+                ? toGermanDate(form.datum_von)
+                : toGermanDateTime(form.datum_von)
            }
            onChange={(e) => {
+              const raw = e.target.value;
              const iso = form.ganztaegig
-                ? fromDatetimeLocal(`${e.target.value}T00:00`)
-                : fromDatetimeLocal(e.target.value);
+                ? fromDatetimeLocal(raw ? `${fromGermanDate(raw)} 00:00` : '')
+                : fromDatetimeLocal(raw);
              handleChange('datum_von', iso);
            }}
            InputLabelProps={{ shrink: true }}
@@ -973,16 +1294,17 @@ function VeranstaltungFormDialog({
          />
          <TextField
            label="Bis"
-            type={form.ganztaegig ? 'date' : 'datetime-local'}
+            placeholder={form.ganztaegig ? 'TT.MM.JJJJ' : 'TT.MM.JJJJ HH:MM'}
            value={
              form.ganztaegig
-                ? toDatetimeLocal(form.datum_bis).slice(0, 10)
-                : toDatetimeLocal(form.datum_bis)
+                ? toGermanDate(form.datum_bis)
+                : toGermanDateTime(form.datum_bis)
            }
            onChange={(e) => {
+              const raw = e.target.value;
              const iso = form.ganztaegig
-                ? fromDatetimeLocal(`${e.target.value}T23:59`)
-                : fromDatetimeLocal(e.target.value);
+                ? fromDatetimeLocal(raw ? `${fromGermanDate(raw)} 23:59` : '')
+                : fromDatetimeLocal(raw);
              handleChange('datum_bis', iso);
            }}
            InputLabelProps={{ shrink: true }}
@@ -1039,11 +1361,14 @@ function VeranstaltungFormDialog({
          {form.anmeldung_erforderlich && (
            <TextField
              label="Anmeldeschluss"
-              type="datetime-local"
-              value={form.anmeldung_bis ? toDatetimeLocal(form.anmeldung_bis) : ''}
-              onChange={(e) =>
-                handleChange('anmeldung_bis', e.target.value ? fromDatetimeLocal(e.target.value) : null)
-              }
+              placeholder="TT.MM.JJJJ HH:MM"
+              value={form.anmeldung_bis ? toGermanDateTime(form.anmeldung_bis) : ''}
+              onChange={(e) => {
+                const raw = e.target.value;
+                if (!raw) { handleChange('anmeldung_bis', null); return; }
+                const iso = fromGermanDateTime(raw);
+                if (iso) handleChange('anmeldung_bis', new Date(iso).toISOString());
+              }}
              InputLabelProps={{ shrink: true }}
              fullWidth
            />
@@ -1109,8 +1434,8 @@ function VeranstaltungFormDialog({

                  <TextField
                    label="Wiederholungen bis"
-                    type="date"
                    size="small"
+                    placeholder="TT.MM.JJJJ"
                    value={wiederholungBis}
                    onChange={(e) => setWiederholungBis(e.target.value)}
                    InputLabelProps={{ shrink: true }}
@@ -1216,6 +1541,7 @@ export default function Kalender() {
  const [icalEventOpen, setIcalEventOpen] = useState(false);
  const [icalEventUrl, setIcalEventUrl] = useState('');
  const [icalBookingOpen, setIcalBookingOpen] = useState(false);
+  const [csvImportOpen, setCsvImportOpen] = useState(false);
  const [icalBookingUrl, setIcalBookingUrl] = useState('');

  // ── Data loading ─────────────────────────────────────────────────────────────
@@ -1405,8 +1731,8 @@ export default function Kalender() {
    setBookingForm({
      ...EMPTY_BOOKING_FORM,
      fahrzeugId: vehicleId,
-      beginn: fnsFormat(day, "yyyy-MM-dd'T'08:00"),
-      ende: fnsFormat(day, "yyyy-MM-dd'T'17:00"),
+      beginn: toGermanDateTime(fnsFormat(day, "yyyy-MM-dd'T'08:00")),
+      ende: toGermanDateTime(fnsFormat(day, "yyyy-MM-dd'T'17:00")),
    });
    setBookingDialogError(null);
    setAvailability(null);
@@ -1420,8 +1746,8 @@ export default function Kalender() {
      fahrzeugId: detailBooking.fahrzeug_id,
      titel: detailBooking.titel,
      beschreibung: '',
-      beginn: fnsFormat(parseISO(detailBooking.beginn as unknown as string), "yyyy-MM-dd'T'HH:mm"),
-      ende: fnsFormat(parseISO(detailBooking.ende as unknown as string), "yyyy-MM-dd'T'HH:mm"),
+      beginn: toGermanDateTime(fnsFormat(parseISO(detailBooking.beginn as unknown as string), "yyyy-MM-dd'T'HH:mm")),
+      ende: toGermanDateTime(fnsFormat(parseISO(detailBooking.ende as unknown as string), "yyyy-MM-dd'T'HH:mm")),
      buchungsArt: detailBooking.buchungs_art,
      kontaktPerson: '',
      kontaktTelefon: '',
@@ -1440,11 +1766,13 @@ export default function Kalender() {
      return;
    }
    let cancelled = false;
+    const beginnIso = fromGermanDateTime(bookingForm.beginn) || bookingForm.beginn;
+    const endeIso = fromGermanDateTime(bookingForm.ende) || bookingForm.ende;
    bookingApi
      .checkAvailability(
        bookingForm.fahrzeugId,
-        new Date(bookingForm.beginn),
-        new Date(bookingForm.ende)
+        new Date(beginnIso),
+        new Date(endeIso)
      )
      .then(({ available }) => {
        if (!cancelled) setAvailability(available);
@@ -1461,8 +1789,8 @@ export default function Kalender() {
    try {
      const payload: CreateBuchungInput = {
        ...bookingForm,
-        beginn: new Date(bookingForm.beginn).toISOString(),
-        ende: new Date(bookingForm.ende).toISOString(),
+        beginn: (() => { const iso = fromGermanDateTime(bookingForm.beginn); return iso ? new Date(iso).toISOString() : new Date(bookingForm.beginn).toISOString(); })(),
+        ende: (() => { const iso = fromGermanDateTime(bookingForm.ende); return iso ? new Date(iso).toISOString() : new Date(bookingForm.ende).toISOString(); })(),
      };
      if (editingBooking) {
        await bookingApi.update(editingBooking.id, payload);
@@ -1622,6 +1950,35 @@ export default function Kalender() {
                </Tooltip>
              )}

+              {/* PDF Export — only in list view */}
+              {viewMode === 'list' && (
+                <Tooltip title="Als PDF exportieren">
+                  <IconButton
+                    size="small"
+                    onClick={() => generatePdf(
+                      viewMonth.year,
+                      viewMonth.month,
+                      trainingForMonth,
+                      eventsForMonth,
+                    )}
+                  >
+                    <PdfIcon fontSize="small" />
+                  </IconButton>
+                </Tooltip>
+              )}
+
+              {/* CSV Import */}
+              {canWriteEvents && (
+                <Tooltip title="Kalender importieren (CSV)">
+                  <IconButton
+                    size="small"
+                    onClick={() => setCsvImportOpen(true)}
+                  >
+                    <FileUploadIcon fontSize="small" />
+                  </IconButton>
+                </Tooltip>
+              )}
+
              {/* iCal subscribe */}
              <Button
                startIcon={<IosShare />}
@@ -2166,7 +2523,7 @@ export default function Kalender() {
                  />

                  <TextField
-                    fullWidth size="small" label="Beginn" type="datetime-local" required
+                    fullWidth size="small" label="Beginn" placeholder="TT.MM.JJJJ HH:MM" required
                    value={bookingForm.beginn}
                    onChange={(e) =>
                      setBookingForm((f) => ({ ...f, beginn: e.target.value }))
@@ -2175,7 +2532,7 @@ export default function Kalender() {
                  />

                  <TextField
-                    fullWidth size="small" label="Ende" type="datetime-local" required
+                    fullWidth size="small" label="Ende" placeholder="TT.MM.JJJJ HH:MM" required
                    value={bookingForm.ende}
                    onChange={(e) =>
                      setBookingForm((f) => ({ ...f, ende: e.target.value }))
@@ -2327,6 +2684,16 @@ export default function Kalender() {
        )}

      </Box>
+
+      {/* CSV Import Dialog */}
+      <CsvImportDialog
+        open={csvImportOpen}
+        onClose={() => setCsvImportOpen(false)}
+        onImported={() => {
+          setCsvImportOpen(false);
+          loadCalendarData();
+        }}
+      />
    </DashboardLayout>
  );
 }
--- a/frontend/src/pages/MitgliedDetail.tsx
+++ b/frontend/src/pages/MitgliedDetail.tsx
@@ -39,6 +39,7 @@ import { useParams, useNavigate } from 'react-router-dom';
 import DashboardLayout from '../components/dashboard/DashboardLayout';
 import { useAuth } from '../contexts/AuthContext';
 import { membersService } from '../services/members';
+import { toGermanDate, fromGermanDate } from '../utils/dateInput';
 import {
  MemberWithProfile,
  StatusEnum,
@@ -239,10 +240,11 @@ function MitgliedDetail() {
      setFormData({
        mitglieds_nr: member.profile.mitglieds_nr ?? undefined,
        dienstgrad: member.profile.dienstgrad ?? undefined,
+        dienstgrad_seit: toGermanDate(member.profile.dienstgrad_seit) || undefined,
        funktion: member.profile.funktion,
        status: member.profile.status,
-        eintrittsdatum: member.profile.eintrittsdatum ?? undefined,
-        geburtsdatum: member.profile.geburtsdatum ?? undefined,
+        eintrittsdatum: toGermanDate(member.profile.eintrittsdatum) || undefined,
+        geburtsdatum: toGermanDate(member.profile.geburtsdatum) || undefined,
        telefon_mobil: member.profile.telefon_mobil ?? undefined,
        telefon_privat: member.profile.telefon_privat ?? undefined,
        notfallkontakt_name: member.profile.notfallkontakt_name ?? undefined,
@@ -263,7 +265,13 @@ function MitgliedDetail() {
    setSaving(true);
    setSaveError(null);
    try {
-      const updated = await membersService.updateMember(userId, formData);
+      const payload: UpdateMemberProfileData = {
+        ...formData,
+        eintrittsdatum: formData.eintrittsdatum ? fromGermanDate(formData.eintrittsdatum) || undefined : undefined,
+        geburtsdatum: formData.geburtsdatum ? fromGermanDate(formData.geburtsdatum) || undefined : undefined,
+        dienstgrad_seit: formData.dienstgrad_seit ? fromGermanDate(formData.dienstgrad_seit) || undefined : undefined,
+      };
+      const updated = await membersService.updateMember(userId, payload);
      setMember(updated);
      setEditMode(false);
    } catch {
@@ -491,9 +499,9 @@ function MitgliedDetail() {

                      <TextField
                        label="Dienstgrad seit"
-                        type="date"
                        fullWidth
                        size="small"
+                        placeholder="TT.MM.JJJJ"
                        value={formData.dienstgrad_seit ?? ''}
                        onChange={(e) => handleFieldChange('dienstgrad_seit', e.target.value || undefined)}
                        InputLabelProps={{ shrink: true }}
@@ -522,9 +530,9 @@ function MitgliedDetail() {

                      <TextField
                        label="Eintrittsdatum"
-                        type="date"
                        fullWidth
                        size="small"
+                        placeholder="TT.MM.JJJJ"
                        value={formData.eintrittsdatum ?? ''}
                        onChange={(e) => handleFieldChange('eintrittsdatum', e.target.value || undefined)}
                        InputLabelProps={{ shrink: true }}
@@ -532,9 +540,9 @@ function MitgliedDetail() {

                      <TextField
                        label="Geburtsdatum"
-                        type="date"
                        fullWidth
                        size="small"
+                        placeholder="TT.MM.JJJJ"
                        value={formData.geburtsdatum ?? ''}
                        onChange={(e) => handleFieldChange('geburtsdatum', e.target.value || undefined)}
                        InputLabelProps={{ shrink: true }}
--- a/frontend/src/pages/Settings.tsx
+++ b/frontend/src/pages/Settings.tsx
@@ -11,20 +11,23 @@ import {
  Divider,
  Box,
  Button,
+  ToggleButtonGroup,
+  ToggleButton,
 } from '@mui/material';
-import { Settings as SettingsIcon, Notifications, Palette, Language, Save } from '@mui/icons-material';
+import { Settings as SettingsIcon, Notifications, Palette, Language, Save, SettingsBrightness, LightMode, DarkMode } from '@mui/icons-material';
 import DashboardLayout from '../components/dashboard/DashboardLayout';
 import { useNotification } from '../contexts/NotificationContext';
+import { useThemeMode } from '../contexts/ThemeContext';

 function Settings() {
  const notification = useNotification();
+  const { themeMode, setThemeMode } = useThemeMode();

  // Settings state
  const [emailNotifications, setEmailNotifications] = useState(true);
  const [alarmNotifications, setAlarmNotifications] = useState(true);
  const [maintenanceReminders, setMaintenanceReminders] = useState(false);
  const [systemNotifications, setSystemNotifications] = useState(true);
-  const [darkMode, setDarkMode] = useState(false);
  const [compactView, setCompactView] = useState(true);
  const [animations, setAnimations] = useState(true);

@@ -105,18 +108,6 @@ function Settings() {
                </Box>
                <Divider sx={{ mb: 2 }} />
                <FormGroup>
-                  <FormControlLabel
-                    control={
-                      <Switch
-                        checked={darkMode}
-                        onChange={(e) => {
-                          setDarkMode(e.target.checked);
-                          notification.showInfo('Dunkler Modus wird in einer zukünftigen Version verfügbar sein');
-                        }}
-                      />
-                    }
-                    label="Dunkler Modus (Vorschau)"
-                  />
                  <FormControlLabel
                    control={
                      <Switch
@@ -135,6 +126,30 @@ function Settings() {
                    }
                    label="Animationen"
                  />
+                  <Box sx={{ mt: 1 }}>
+                    <Typography variant="body2" sx={{ mb: 1 }}>
+                      Farbschema
+                    </Typography>
+                    <ToggleButtonGroup
+                      value={themeMode}
+                      exclusive
+                      onChange={(_e, value) => { if (value) setThemeMode(value); }}
+                      size="small"
+                    >
+                      <ToggleButton value="system">
+                        <SettingsBrightness fontSize="small" sx={{ mr: 0.5 }} />
+                        System
+                      </ToggleButton>
+                      <ToggleButton value="light">
+                        <LightMode fontSize="small" sx={{ mr: 0.5 }} />
+                        Hell
+                      </ToggleButton>
+                      <ToggleButton value="dark">
+                        <DarkMode fontSize="small" sx={{ mr: 0.5 }} />
+                        Dunkel
+                      </ToggleButton>
+                    </ToggleButtonGroup>
+                  </Box>
                </FormGroup>
              </CardContent>
            </Card>
--- a/frontend/src/pages/Veranstaltungen.tsx
+++ b/frontend/src/pages/Veranstaltungen.tsx
@@ -52,6 +52,7 @@ import {
  Delete as DeleteIcon,
 } from '@mui/icons-material';
 import DashboardLayout from '../components/dashboard/DashboardLayout';
+import { toGermanDate, toGermanDateTime, fromGermanDate, fromGermanDateTime } from '../utils/dateInput';
 import { useAuth } from '../contexts/AuthContext';
 import { useNotification } from '../contexts/NotificationContext';
 import { eventsApi } from '../services/events';
@@ -121,15 +122,15 @@ function formatDateShort(isoString: string): string {
  return `${String(d.getDate()).padStart(2, '0')}.${String(d.getMonth() + 1).padStart(2, '0')}.${d.getFullYear()}`;
 }

-/** Convert a Date to datetime-local input value "YYYY-MM-DDTHH:MM" */
-function toDatetimeLocal(isoString: string): string {
-  const d = new Date(isoString);
-  const pad = (n: number) => String(n).padStart(2, '0');
-  return `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())}T${pad(d.getHours())}:${pad(d.getMinutes())}`;
-}
-
 /** Convert datetime-local value back to ISO string */
 function fromDatetimeLocal(value: string): string {
+  if (!value) return new Date().toISOString();
+  // DD.MM.YYYY HH:MM format
+  const dtIso = fromGermanDateTime(value);
+  if (dtIso) return new Date(dtIso).toISOString();
+  // DD.MM.YYYY format (for ganztaegig)
+  const dIso = fromGermanDate(value);
+  if (dIso) return new Date(dIso).toISOString();
  return new Date(value).toISOString();
 }

@@ -720,16 +721,16 @@ function EventFormDialog({
          {/* Datum von */}
          <TextField
            label="Von"
-            type={form.ganztaegig ? 'date' : 'datetime-local'}
+            placeholder={form.ganztaegig ? 'TT.MM.JJJJ' : 'TT.MM.JJJJ HH:MM'}
            value={
              form.ganztaegig
-                ? toDatetimeLocal(form.datum_von).slice(0, 10)
-                : toDatetimeLocal(form.datum_von)
+                ? toGermanDate(form.datum_von)
+                : toGermanDateTime(form.datum_von)
            }
            onChange={(e) => {
              const raw = e.target.value;
              const iso = form.ganztaegig
-                ? fromDatetimeLocal(`${raw}T00:00`)
+                ? fromDatetimeLocal(raw ? `${fromGermanDate(raw)}T00:00` : '')
                : fromDatetimeLocal(raw);
              handleChange('datum_von', iso);
            }}
@@ -740,16 +741,16 @@ function EventFormDialog({
          {/* Datum bis */}
          <TextField
            label="Bis"
-            type={form.ganztaegig ? 'date' : 'datetime-local'}
+            placeholder={form.ganztaegig ? 'TT.MM.JJJJ' : 'TT.MM.JJJJ HH:MM'}
            value={
              form.ganztaegig
-                ? toDatetimeLocal(form.datum_bis).slice(0, 10)
-                : toDatetimeLocal(form.datum_bis)
+                ? toGermanDate(form.datum_bis)
+                : toGermanDateTime(form.datum_bis)
            }
            onChange={(e) => {
              const raw = e.target.value;
              const iso = form.ganztaegig
-                ? fromDatetimeLocal(`${raw}T23:59`)
+                ? fromDatetimeLocal(raw ? `${fromGermanDate(raw)}T23:59` : '')
                : fromDatetimeLocal(raw);
              handleChange('datum_bis', iso);
            }}
@@ -827,9 +828,14 @@ function EventFormDialog({
          {form.anmeldung_erforderlich && (
            <TextField
              label="Anmeldeschluss"
-              type="datetime-local"
-              value={form.anmeldung_bis ? toDatetimeLocal(form.anmeldung_bis) : ''}
-              onChange={(e) => handleChange('anmeldung_bis', e.target.value ? fromDatetimeLocal(e.target.value) : null)}
+              placeholder="TT.MM.JJJJ HH:MM"
+              value={form.anmeldung_bis ? toGermanDateTime(form.anmeldung_bis) : ''}
+              onChange={(e) => {
+                const raw = e.target.value;
+                if (!raw) { handleChange('anmeldung_bis', null); return; }
+                const iso = fromGermanDateTime(raw);
+                if (iso) handleChange('anmeldung_bis', new Date(iso).toISOString());
+              }}
              InputLabelProps={{ shrink: true }}
              fullWidth
            />
--- a/frontend/src/pages/admin/AuditLog.tsx
+++ b/frontend/src/pages/admin/AuditLog.tsx
@@ -40,10 +40,7 @@ import {
  DialogTitle,
  Divider,
  IconButton,
-  MenuItem,
  Paper,
-  Select,
-  SelectChangeEvent,
  Skeleton,
  Stack,
  TextField,
@@ -57,8 +54,6 @@ import {
  GridRenderCellParams,
  GridRowParams,
 } from '@mui/x-data-grid';
-import { DatePicker, LocalizationProvider } from '@mui/x-date-pickers';
-import { AdapterDateFns } from '@mui/x-date-pickers/AdapterDateFns';
 import { de } from 'date-fns/locale';
 import { format, parseISO } from 'date-fns';
 import CloseIcon from '@mui/icons-material/Close';
@@ -66,6 +61,7 @@ import DownloadIcon from '@mui/icons-material/Download';
 import FilterAltIcon from '@mui/icons-material/FilterAlt';
 import DashboardLayout from '../../components/dashboard/DashboardLayout';
 import { api } from '../../services/api';
+import { fromGermanDate } from '../../utils/dateInput';

 // ---------------------------------------------------------------------------
 // Types — mirror the backend AuditLogEntry interface
@@ -106,8 +102,8 @@ interface AuditFilters {
  userId?:       string;
  action?:       AuditAction[];
  resourceType?: AuditResourceType[];
-  dateFrom?:     Date | null;
-  dateTo?:       Date | null;
+  dateFrom?:     string;
+  dateTo?:       string;
 }

 // ---------------------------------------------------------------------------
@@ -349,17 +345,23 @@ const FilterPanel: React.FC<FilterPanelProps> = ({ filters, onChange, onReset })

        <Box sx={{ display: 'flex', flexWrap: 'wrap', gap: 2 }}>
          {/* Date range */}
-          <DatePicker
+          <TextField
            label="Von"
-            value={filters.dateFrom ?? null}
-            onChange={(date) => onChange({ ...filters, dateFrom: date })}
-            slotProps={{ textField: { size: 'small', sx: { minWidth: 160 } } }}
+            size="small"
+            placeholder="TT.MM.JJJJ"
+            value={filters.dateFrom ?? ''}
+            onChange={(e) => onChange({ ...filters, dateFrom: e.target.value })}
+            sx={{ minWidth: 160 }}
+            InputLabelProps={{ shrink: true }}
          />
-          <DatePicker
+          <TextField
            label="Bis"
-            value={filters.dateTo ?? null}
-            onChange={(date) => onChange({ ...filters, dateTo: date })}
-            slotProps={{ textField: { size: 'small', sx: { minWidth: 160 } } }}
+            size="small"
+            placeholder="TT.MM.JJJJ"
+            value={filters.dateTo ?? ''}
+            onChange={(e) => onChange({ ...filters, dateTo: e.target.value })}
+            sx={{ minWidth: 160 }}
+            InputLabelProps={{ shrink: true }}
          />

          {/* Action multi-select */}
@@ -416,8 +418,8 @@ const FilterPanel: React.FC<FilterPanelProps> = ({ filters, onChange, onReset })
 const DEFAULT_FILTERS: AuditFilters = {
  action:       [],
  resourceType: [],
-  dateFrom:     null,
-  dateTo:       null,
+  dateFrom:     '',
+  dateTo:       '',
 };

 const AuditLog: React.FC = () => {
@@ -460,8 +462,14 @@ const AuditLog: React.FC = () => {
        pageSize: String(pagination.pageSize),
      };

-      if (f.dateFrom) params.dateFrom = f.dateFrom.toISOString();
-      if (f.dateTo)   params.dateTo   = f.dateTo.toISOString();
+      if (f.dateFrom) {
+        const iso = fromGermanDate(f.dateFrom);
+        if (iso) params.dateFrom = new Date(iso).toISOString();
+      }
+      if (f.dateTo) {
+        const iso = fromGermanDate(f.dateTo);
+        if (iso) params.dateTo = new Date(iso + 'T23:59:59').toISOString();
+      }
      if (f.action   && f.action.length   > 0) {
        params.action = f.action.join(',');
      }
@@ -513,8 +521,14 @@ const AuditLog: React.FC = () => {
    setExporting(true);
    try {
      const params: Record<string, string> = {};
-      if (appliedFilters.dateFrom) params.dateFrom = appliedFilters.dateFrom.toISOString();
-      if (appliedFilters.dateTo)   params.dateTo   = appliedFilters.dateTo.toISOString();
+      if (appliedFilters.dateFrom) {
+        const iso = fromGermanDate(appliedFilters.dateFrom);
+        if (iso) params.dateFrom = new Date(iso).toISOString();
+      }
+      if (appliedFilters.dateTo) {
+        const iso = fromGermanDate(appliedFilters.dateTo);
+        if (iso) params.dateTo = new Date(iso + 'T23:59:59').toISOString();
+      }
      if (appliedFilters.action   && appliedFilters.action.length   > 0) {
        params.action = appliedFilters.action.join(',');
      }
@@ -637,8 +651,7 @@ const AuditLog: React.FC = () => {
  // -------------------------------------------------------------------------

  return (
-    <LocalizationProvider dateAdapter={AdapterDateFns} adapterLocale={de}>
-      <DashboardLayout>
+    <DashboardLayout>
        <Container maxWidth="xl">
          {/* Header */}
          <Stack
@@ -726,7 +739,6 @@ const AuditLog: React.FC = () => {
          />
        </Container>
      </DashboardLayout>
-    </LocalizationProvider>
  );
 };

--- a/frontend/src/services/bookstack.ts
+++ b/frontend/src/services/bookstack.ts
@@ -0,0 +1,24 @@
+import { api } from './api';
+import type { BookStackRecentResponse, BookStackSearchResponse } from '../types/bookstack.types';
+
+interface ApiResponse<T> {
+  success: boolean;
+  data: T;
+  configured: boolean;
+}
+
+export const bookstackApi = {
+  getRecent(): Promise<BookStackRecentResponse> {
+    return api
+      .get<ApiResponse<BookStackRecentResponse['data']>>('/api/bookstack/recent')
+      .then((r) => ({ configured: r.data.configured, data: r.data.data }));
+  },
+
+  search(query: string): Promise<BookStackSearchResponse> {
+    return api
+      .get<ApiResponse<BookStackSearchResponse['data']>>('/api/bookstack/search', {
+        params: { query },
+      })
+      .then((r) => ({ configured: r.data.configured, data: r.data.data }));
+  },
+};
--- a/frontend/src/services/events.ts
+++ b/frontend/src/services/events.ts
@@ -146,4 +146,11 @@ export const eventsApi = {
      )
      .then((r) => r.data.data);
  },
+
+  /** Bulk-import events from CSV-parsed data */
+  importEvents(events: CreateVeranstaltungInput[]): Promise<{ created: number; errors: string[] }> {
+    return api
+      .post<ApiResponse<{ created: number; errors: string[] }>>('/api/events/import', { events })
+      .then((r) => r.data.data);
+  },
 };
--- a/frontend/src/types/bookstack.types.ts
+++ b/frontend/src/types/bookstack.types.ts
@@ -0,0 +1,36 @@
+export interface BookStackPage {
+  id: number;
+  name: string;
+  slug: string;
+  book_id: number;
+  book_slug: string;
+  chapter_id: number;
+  draft: boolean;
+  template: boolean;
+  created_at: string;
+  updated_at: string;
+  url: string;
+  book?: { name: string };
+  updatedBy?: { name: string };
+}
+
+export interface BookStackSearchResult {
+  id: number;
+  name: string;
+  slug: string;
+  book_id: number;
+  book_slug: string;
+  url: string;
+  preview_html: { content: string };
+  tags: { name: string; value: string; order: number }[];
+}
+
+export interface BookStackRecentResponse {
+  configured: boolean;
+  data: BookStackPage[];
+}
+
+export interface BookStackSearchResponse {
+  configured: boolean;
+  data: BookStackSearchResult[];
+}
--- a/frontend/src/utils/dateInput.ts
+++ b/frontend/src/utils/dateInput.ts
@@ -0,0 +1,60 @@
+/**
+ * Shared utilities for German date format (DD.MM.YYYY / DD.MM.YYYY HH:MM)
+ * Used as plain TextField inputs with placeholder instead of type="date"/"datetime-local"
+ */
+
+/** ISO/YYYY-MM-DD → DD.MM.YYYY */
+export function toGermanDate(iso: string | null | undefined): string {
+  if (!iso) return '';
+  // Already DD.MM.YYYY
+  if (/^\d{2}\.\d{2}\.\d{4}$/.test(iso)) return iso;
+  // YYYY-MM-DD (possibly with time)
+  const m = iso.match(/^(\d{4})-(\d{2})-(\d{2})/);
+  if (m) return `${m[3]}.${m[2]}.${m[1]}`;
+  return '';
+}
+
+/** ISO datetime → DD.MM.YYYY HH:MM */
+export function toGermanDateTime(iso: string | null | undefined): string {
+  if (!iso) return '';
+  // Already DD.MM.YYYY HH:MM
+  if (/^\d{2}\.\d{2}\.\d{4} \d{2}:\d{2}$/.test(iso)) return iso;
+  // YYYY-MM-DDTHH:MM or YYYY-MM-DD HH:MM
+  const m = iso.match(/^(\d{4})-(\d{2})-(\d{2})[T ](\d{2}):(\d{2})/);
+  if (m) return `${m[3]}.${m[2]}.${m[1]} ${m[4]}:${m[5]}`;
+  // Date only → midnight
+  const d = iso.match(/^(\d{4})-(\d{2})-(\d{2})$/);
+  if (d) return `${d[3]}.${d[2]}.${d[1]} 00:00`;
+  return '';
+}
+
+/** DD.MM.YYYY → YYYY-MM-DD (ISO date string) */
+export function fromGermanDate(german: string): string {
+  const m = german.match(/^(\d{2})\.(\d{2})\.(\d{4})$/);
+  if (!m) return '';
+  return `${m[3]}-${m[2]}-${m[1]}`;
+}
+
+/** DD.MM.YYYY HH:MM → ISO datetime string (YYYY-MM-DDTHH:MM:00.000Z local) */
+export function fromGermanDateTime(german: string): string {
+  const m = german.match(/^(\d{2})\.(\d{2})\.(\d{4}) (\d{2}):(\d{2})$/);
+  if (!m) return '';
+  return `${m[3]}-${m[2]}-${m[1]}T${m[4]}:${m[5]}`;
+}
+
+/** Validates DD.MM.YYYY format and that the date is valid */
+export function isValidGermanDate(value: string): boolean {
+  if (!/^\d{2}\.\d{2}\.\d{4}$/.test(value)) return false;
+  const [dd, mm, yyyy] = value.split('.').map(Number);
+  const date = new Date(yyyy, mm - 1, dd);
+  return date.getFullYear() === yyyy && date.getMonth() === mm - 1 && date.getDate() === dd;
+}
+
+/** Validates DD.MM.YYYY HH:MM format */
+export function isValidGermanDateTime(value: string): boolean {
+  if (!/^\d{2}\.\d{2}\.\d{4} \d{2}:\d{2}$/.test(value)) return false;
+  const [datePart, timePart] = value.split(' ');
+  const [hh, mm] = timePart.split(':').map(Number);
+  if (hh > 23 || mm > 59) return false;
+  return isValidGermanDate(datePart);
+}