diff --git a/backend/src/db.js b/backend/src/db.js
index 9d35203..8255f0c 100644
--- a/backend/src/db.js
+++ b/backend/src/db.js
@@ -521,46 +521,13 @@ if (!db.prepare("SELECT name FROM sqlite_master WHERE type='table' AND name='cal
   `);
 }
 
-// ── Upload-Freigaben (externer Upload-Link) ───────────────────────────────────
-if (!db.prepare("SELECT name FROM sqlite_master WHERE type='table' AND name='upload_shares'").get()) {
-  db.exec(`
-    CREATE TABLE upload_shares (
-      id            INTEGER PRIMARY KEY AUTOINCREMENT,
-      user_id       INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
-      token         TEXT    NOT NULL UNIQUE,
-      password_hash TEXT    NOT NULL,
-      expires_at    DATETIME NOT NULL,
-      max_size_mb   INTEGER NOT NULL DEFAULT 10,
-      folder_id     INTEGER REFERENCES folders(id) ON DELETE SET NULL,
-      is_active     INTEGER NOT NULL DEFAULT 1,
-      created_at    DATETIME DEFAULT NULL
-    )
-  `);
-}
-if (!db.prepare("SELECT name FROM sqlite_master WHERE type='table' AND name='upload_share_logs'").get()) {
-  db.exec(`
-    CREATE TABLE upload_share_logs (
-      id           INTEGER PRIMARY KEY AUTOINCREMENT,
-      share_id     INTEGER NOT NULL REFERENCES upload_shares(id) ON DELETE CASCADE,
-      user_id      INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
-      originalname TEXT    NOT NULL,
-      size         INTEGER NOT NULL DEFAULT 0,
-      ip_address   TEXT    NOT NULL DEFAULT '',
-      uploaded_at  DATETIME DEFAULT NULL
-    )
-  `);
-}
-// allow_upload_share Recht pro User
+// upload_shares Fehlversuche-Tracking
 {
-  const userCols = db.pragma('table_info(users)').map(c => c.name);
-  if (!userCols.includes('allow_upload_share'))
-    db.exec('ALTER TABLE users ADD COLUMN allow_upload_share INTEGER DEFAULT 0');
-}
-// Upload-Ordner Flag auf Folders-Tabelle
-{
-  const folderCols = db.pragma('table_info(folders)').map(c => c.name);
-  if (!folderCols.includes('is_upload_folder'))
-    db.exec('ALTER TABLE folders ADD COLUMN is_upload_folder INTEGER DEFAULT 0');
+  const usCols = db.pragma('table_info(upload_shares)').map(c => c.name);
+  if (!usCols.includes('failed_attempts'))
+    db.exec('ALTER TABLE upload_shares ADD COLUMN failed_attempts INTEGER DEFAULT 0');
+  if (!usCols.includes('deactivated_reason'))
+    db.exec("ALTER TABLE upload_shares ADD COLUMN deactivated_reason TEXT DEFAULT NULL");
 }
 
 module.exports = db;
diff --git a/backend/src/index.js b/backend/src/index.js
index 9f71d54..9541f51 100644
--- a/backend/src/index.js
+++ b/backend/src/index.js
@@ -66,10 +66,10 @@ fs.readdirSync(toolsDir, { withFileTypes: true })
     }
   });
 
-app.use('/api/tools/snippets', require('./tools/snippets/routes'));
-app.use('/api/tools/qrcodes',  require('./tools/qrcodes/routes'));
+app.use('/api/tools/snippets',  require('./tools/snippets/routes'));
+app.use('/api/tools/qrcodes',   require('./tools/qrcodes/routes'));
 app.use('/api/upload-shares',   require('./tools/dateien/upload-share'));
-app.use('/api/search',         require('./routes/search'));
+app.use('/api/search',          require('./routes/search'));
 
 const PUBLIC = path.join(__dirname, '../public');
 
diff --git a/backend/src/tools/dateien/upload-share.js b/backend/src/tools/dateien/upload-share.js
index 38e6e27..7955aed 100644
--- a/backend/src/tools/dateien/upload-share.js
+++ b/backend/src/tools/dateien/upload-share.js
@@ -10,88 +10,78 @@ const router   = express.Router();
 
 const UPLOAD_DIR = process.env.UPLOAD_DIR || '/data/uploads';
 
-// ── Hilfsfunktionen ───────────────────────────────────────────────────────────
-function generateToken() {
-  return crypto.randomBytes(20).toString('base64url');
-}
+function generateToken() { return crypto.randomBytes(20).toString('base64url'); }
 
 function getOrCreateUploadFolder(userId) {
-  let folder = db.prepare(
-    "SELECT * FROM folders WHERE user_id=? AND is_upload_folder=1 LIMIT 1"
-  ).get(userId);
-  if (!folder) {
-    const r = db.prepare(
-      "INSERT INTO folders (user_id, name, is_upload_folder, created_at) VALUES (?,?,1,datetime('now','localtime'))"
-    ).run(userId, 'Upload-Ordner');
-    folder = db.prepare('SELECT * FROM folders WHERE id=?').get(r.lastInsertRowid);
+  let f = db.prepare("SELECT * FROM folders WHERE user_id=? AND is_upload_folder=1 LIMIT 1").get(userId);
+  if (!f) {
+    const r = db.prepare("INSERT INTO folders (user_id,name,is_upload_folder,created_at) VALUES (?,?,1,datetime('now','localtime'))").run(userId,'Upload-Ordner');
+    f = db.prepare('SELECT * FROM folders WHERE id=?').get(r.lastInsertRowid);
   }
-  return folder;
+  return f;
 }
 
 function canUseUploadShare(userId) {
-  const user = db.prepare('SELECT role, allow_upload_share FROM users WHERE id=?').get(userId);
-  return user && (user.role === 'admin' || !!user.allow_upload_share);
+  const u = db.prepare('SELECT role,allow_upload_share FROM users WHERE id=?').get(userId);
+  return u && (u.role==='admin' || !!u.allow_upload_share);
 }
 
-// ── Eigene Shares verwalten ───────────────────────────────────────────────────
+// ── Eigene Shares ─────────────────────────────────────────────────────────────
 router.get('/', authenticate, (req, res) => {
-  if (!canUseUploadShare(req.user.id)) return res.status(403).json({ error: 'Keine Berechtigung' });
+  if (!canUseUploadShare(req.user.id)) return res.status(403).json({ error:'Keine Berechtigung' });
   const folder = getOrCreateUploadFolder(req.user.id);
   const shares = db.prepare(`
     SELECT s.*, COUNT(l.id) as upload_count
     FROM upload_shares s
     LEFT JOIN upload_share_logs l ON l.share_id=s.id
     WHERE s.user_id=?
-    GROUP BY s.id
-    ORDER BY s.created_at DESC
+    GROUP BY s.id ORDER BY s.created_at DESC
   `).all(req.user.id);
   res.json({ shares, folder });
 });
 
 router.post('/', authenticate, (req, res) => {
-  if (!canUseUploadShare(req.user.id)) return res.status(403).json({ error: 'Keine Berechtigung' });
+  if (!canUseUploadShare(req.user.id)) return res.status(403).json({ error:'Keine Berechtigung' });
   const { password, expires_hours=24, max_size_mb=10 } = req.body;
-  if (!password?.trim()) return res.status(400).json({ error: 'Passwort erforderlich' });
+  if (!password?.trim()) return res.status(400).json({ error:'Passwort erforderlich' });
   const folder  = getOrCreateUploadFolder(req.user.id);
   const token   = generateToken();
   const hash    = bcrypt.hashSync(password.trim(), 10);
-  const expires = new Date(Date.now() + Number(expires_hours) * 3600000).toISOString();
+  const expires = new Date(Date.now() + Number(expires_hours)*3600000).toISOString();
   const r = db.prepare(`
-    INSERT INTO upload_shares (user_id, token, password_hash, expires_at, max_size_mb, folder_id, created_at)
+    INSERT INTO upload_shares (user_id,token,password_hash,expires_at,max_size_mb,folder_id,created_at)
     VALUES (?,?,?,?,?,?,datetime('now','localtime'))
   `).run(req.user.id, token, hash, expires, Number(max_size_mb), folder.id);
-  res.json(db.prepare('SELECT * FROM upload_shares WHERE id=?').get(r.lastInsertRowid));
+  const share = db.prepare('SELECT * FROM upload_shares WHERE id=?').get(r.lastInsertRowid);
+  res.json({ ...share, url:`/u/${token}` });
 });
 
 router.delete('/:id', authenticate, (req, res) => {
   const s = db.prepare('SELECT * FROM upload_shares WHERE id=? AND user_id=?').get(req.params.id, req.user.id);
-  if (!s) return res.status(404).json({ error: 'Nicht gefunden' });
-  db.prepare('UPDATE upload_shares SET is_active=0 WHERE id=?').run(s.id);
-  res.json({ ok: true });
+  if (!s) return res.status(404).json({ error:'Nicht gefunden' });
+  db.prepare("UPDATE upload_shares SET is_active=0, deactivated_reason='manual' WHERE id=?").run(s.id);
+  res.json({ ok:true });
 });
 
 router.get('/logs', authenticate, (req, res) => {
-  if (!canUseUploadShare(req.user.id)) return res.status(403).json({ error: 'Keine Berechtigung' });
+  if (!canUseUploadShare(req.user.id)) return res.status(403).json({ error:'Keine Berechtigung' });
   const logs = db.prepare(`
     SELECT l.*, s.expires_at, s.max_size_mb
     FROM upload_share_logs l
     JOIN upload_shares s ON s.id=l.share_id
-    WHERE l.user_id=?
-    ORDER BY l.uploaded_at DESC
-    LIMIT 100
+    WHERE l.user_id=? ORDER BY l.uploaded_at DESC LIMIT 100
   `).all(req.user.id);
   res.json(logs);
 });
 
-// ── Admin: alle Logs sehen ────────────────────────────────────────────────────
+// ── Admin ─────────────────────────────────────────────────────────────────────
 router.get('/admin/logs', authenticate, requireAdmin, (req, res) => {
   const logs = db.prepare(`
     SELECT l.*, s.expires_at, s.max_size_mb, u.username
     FROM upload_share_logs l
     JOIN upload_shares s ON s.id=l.share_id
     JOIN users u ON u.id=l.user_id
-    ORDER BY l.uploaded_at DESC
-    LIMIT 500
+    ORDER BY l.uploaded_at DESC LIMIT 500
   `).all();
   res.json(logs);
 });
@@ -99,83 +89,74 @@ router.get('/admin/logs', authenticate, requireAdmin, (req, res) => {
 router.get('/admin/shares', authenticate, requireAdmin, (req, res) => {
   const shares = db.prepare(`
     SELECT s.*, u.username, COUNT(l.id) as upload_count
-    FROM upload_shares s
-    JOIN users u ON u.id=s.user_id
+    FROM upload_shares s JOIN users u ON u.id=s.user_id
     LEFT JOIN upload_share_logs l ON l.share_id=s.id
-    GROUP BY s.id
-    ORDER BY s.created_at DESC
+    GROUP BY s.id ORDER BY s.created_at DESC
   `).all();
   res.json(shares);
 });
 
-// ── Admin: Berechtigung pro User setzen ──────────────────────────────────────
 router.post('/admin/permission', authenticate, requireAdmin, (req, res) => {
   const { user_id, allow } = req.body;
   db.prepare('UPDATE users SET allow_upload_share=? WHERE id=?').run(allow?1:0, user_id);
-  res.json({ ok: true });
+  res.json({ ok:true });
 });
 
-// ── Öffentlicher Endpunkt: Infos zum Share ────────────────────────────────────
+// ── Öffentlich: Share-Info ────────────────────────────────────────────────────
 router.get('/public/:token', (req, res) => {
-  const s = db.prepare(
-    "SELECT id, expires_at, max_size_mb, is_active FROM upload_shares WHERE token=?"
-  ).get(req.params.token);
-  if (!s || !s.is_active) return res.status(404).json({ error: 'Link ungültig oder deaktiviert' });
-  if (new Date(s.expires_at) < new Date()) return res.status(410).json({ error: 'Link abgelaufen' });
-  res.json({ ok: true, max_size_mb: s.max_size_mb, expires_at: s.expires_at });
+  const s = db.prepare("SELECT id,expires_at,max_size_mb,is_active,failed_attempts,deactivated_reason FROM upload_shares WHERE token=?").get(req.params.token);
+  if (!s || !s.is_active) return res.status(404).json({ error: s?.deactivated_reason==='too_many_attempts' ? 'Link wegen zu vieler Fehlversuche gesperrt' : 'Link ungültig oder deaktiviert' });
+  if (new Date(s.expires_at) < new Date()) return res.status(410).json({ error:'Link abgelaufen' });
+  res.json({ ok:true, max_size_mb:s.max_size_mb, expires_at:s.expires_at });
 });
 
-// ── Öffentlicher Endpunkt: Passwort prüfen ────────────────────────────────────
+// ── Öffentlich: Passwort prüfen ───────────────────────────────────────────────
 router.post('/public/:token/verify', (req, res) => {
-  const s = db.prepare('SELECT * FROM upload_shares WHERE token=?').get(req.params.token);
-  if (!s || !s.is_active) return res.status(404).json({ error: 'Link ungültig' });
-  if (new Date(s.expires_at) < new Date()) return res.status(410).json({ error: 'Link abgelaufen' });
-  if (!bcrypt.compareSync(req.body.password || '', s.password_hash))
-    return res.status(401).json({ error: 'Falsches Passwort' });
-  res.json({ ok: true, max_size_mb: s.max_size_mb, expires_at: s.expires_at });
+  const s = db.prepare("SELECT * FROM upload_shares WHERE token=?").get(req.params.token);
+  if (!s || !s.is_active) return res.status(404).json({ error:'Link ungültig' });
+  if (new Date(s.expires_at) < new Date()) return res.status(410).json({ error:'Link abgelaufen' });
+
+  if (!bcrypt.compareSync(req.body?.password || '', s.password_hash)) {
+    const attempts = (s.failed_attempts||0) + 1;
+    if (attempts >= 3) {
+      // Link sperren
+      db.prepare("UPDATE upload_shares SET is_active=0, failed_attempts=?, deactivated_reason='too_many_attempts' WHERE id=?").run(attempts, s.id);
+      return res.status(401).json({ error:'Zu viele Fehlversuche – Link wurde gesperrt', locked:true });
+    }
+    db.prepare("UPDATE upload_shares SET failed_attempts=? WHERE id=?").run(attempts, s.id);
+    return res.status(401).json({ error:'Falsches Passwort', attempts_left: 3-attempts });
+  }
+
+  // Erfolgreich – Fehlversuche zurücksetzen
+  db.prepare("UPDATE upload_shares SET failed_attempts=0 WHERE id=?").run(s.id);
+  res.json({ ok:true, max_size_mb:s.max_size_mb, expires_at:s.expires_at });
 });
 
-// ── Öffentlicher Upload ───────────────────────────────────────────────────────
+// ── Öffentlich: Upload ────────────────────────────────────────────────────────
 router.post('/public/:token/upload', (req, res) => {
-  const s = db.prepare('SELECT * FROM upload_shares WHERE token=?').get(req.params.token);
-  if (!s || !s.is_active) return res.status(404).json({ error: 'Link ungültig' });
-  if (new Date(s.expires_at) < new Date()) return res.status(410).json({ error: 'Link abgelaufen' });
+  const s = db.prepare("SELECT * FROM upload_shares WHERE token=?").get(req.params.token);
+  if (!s || !s.is_active) return res.status(404).json({ error:'Link ungültig' });
+  if (new Date(s.expires_at) < new Date()) return res.status(410).json({ error:'Link abgelaufen' });
 
-  // Passwort im Header prüfen
   const pw = req.headers['x-upload-password'] || '';
-  if (!bcrypt.compareSync(pw, s.password_hash))
-    return res.status(401).json({ error: 'Nicht autorisiert' });
+  if (!bcrypt.compareSync(pw, s.password_hash)) return res.status(401).json({ error:'Nicht autorisiert' });
 
-  const maxBytes = s.max_size_mb * 1024 * 1024;
-  const storage  = multer.diskStorage({ destination: UPLOAD_DIR });
-  const upload   = multer({
-    storage,
-    limits: { fileSize: maxBytes },
-  }).single('file');
+  const storage = multer.diskStorage({ destination: UPLOAD_DIR });
+  const upload  = multer({ storage, limits:{ fileSize: s.max_size_mb*1024*1024 } }).single('file');
 
   upload(req, res, err => {
     if (err) {
-      if (err.code === 'LIMIT_FILE_SIZE')
-        return res.status(413).json({ error: `Datei zu groß (max ${s.max_size_mb} MB)` });
-      return res.status(500).json({ error: err.message });
+      if (err.code==='LIMIT_FILE_SIZE') return res.status(413).json({ error:`Datei zu groß (max ${s.max_size_mb} MB)` });
+      return res.status(500).json({ error:err.message });
     }
-    if (!req.file) return res.status(400).json({ error: 'Keine Datei' });
-
+    if (!req.file) return res.status(400).json({ error:'Keine Datei' });
     try {
-      const r = db.prepare(`
-        INSERT INTO files (user_id, filename, originalname, mimetype, size, folder_id, created_at)
-        VALUES (?,?,?,?,?,?,datetime('now','localtime'))
-      `).run(s.user_id, req.file.filename, req.file.originalname, req.file.mimetype, req.file.size, s.folder_id);
-
-      db.prepare(`
-        INSERT INTO upload_share_logs (share_id, user_id, originalname, size, ip_address, uploaded_at)
-        VALUES (?,?,?,?,?,datetime('now','localtime'))
-      `).run(s.id, s.user_id, req.file.originalname, req.file.size, req.ip || '');
-
-      res.json({ ok: true, filename: req.file.originalname });
+      db.prepare(`INSERT INTO files (user_id,filename,originalname,mimetype,size,folder_id,created_at) VALUES (?,?,?,?,?,?,datetime('now','localtime'))`).run(s.user_id,req.file.filename,req.file.originalname,req.file.mimetype,req.file.size,s.folder_id);
+      db.prepare(`INSERT INTO upload_share_logs (share_id,user_id,originalname,size,ip_address,uploaded_at) VALUES (?,?,?,?,?,datetime('now','localtime'))`).run(s.id,s.user_id,req.file.originalname,req.file.size,req.ip||'');
+      res.json({ ok:true, filename:req.file.originalname });
     } catch(e) {
       try { fs.unlinkSync(path.join(UPLOAD_DIR, req.file.filename)); } catch {}
-      res.status(500).json({ error: e.message });
+      res.status(500).json({ error:e.message });
     }
   });
 });
diff --git a/backend/upload-page.html b/backend/upload-page.html
index 11231dc..832db7d 100644
--- a/backend/upload-page.html
+++ b/backend/upload-page.html
@@ -7,140 +7,181 @@
 <style>
   *{box-sizing:border-box;margin:0;padding:0}
   body{background:#0d0d0f;color:#fff;font-family:'Courier New',monospace;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
-  .card{background:#1a1a1e;border:1px solid rgba(255,255,255,0.1);border-radius:16px;padding:32px;width:100%;max-width:440px}
+  .card{background:#1a1a1e;border:1px solid rgba(255,255,255,0.1);border-radius:16px;padding:28px;width:100%;max-width:440px}
   h1{font-size:18px;margin-bottom:6px;color:#4ecdc4}
-  .sub{color:rgba(255,255,255,0.4);font-size:12px;margin-bottom:24px}
-  label{display:block;color:rgba(255,255,255,0.5);font-size:10px;letter-spacing:2px;margin-bottom:4px}
-  input[type=password],input[type=file]{width:100%;background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.12);border-radius:8px;padding:10px 12px;color:#fff;font-family:inherit;font-size:14px;outline:none}
+  .sub{color:rgba(255,255,255,0.4);font-size:12px;margin-bottom:20px}
+  label{display:block;color:rgba(255,255,255,0.5);font-size:10px;letter-spacing:2px;margin-bottom:4px;margin-top:12px}
+  input[type=password],input[type=file]{width:100%;background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.12);border-radius:8px;padding:10px 12px;color:#fff;font-family:inherit;font-size:14px;outline:none;transition:border 0.2s}
+  input[type=password]:focus{border-color:#4ecdc4}
   input[type=file]{cursor:pointer;padding:8px}
   input[type=file]::file-selector-button{background:#4ecdc4;border:none;border-radius:6px;color:#0d0d0f;cursor:pointer;font-family:inherit;font-weight:700;padding:4px 12px;margin-right:10px}
-  .btn{width:100%;background:#4ecdc4;border:none;border-radius:8px;color:#0d0d0f;cursor:pointer;font-family:inherit;font-size:14px;font-weight:700;padding:12px;margin-top:12px}
+  .btn{width:100%;background:#4ecdc4;border:none;border-radius:8px;color:#0d0d0f;cursor:pointer;font-family:inherit;font-size:14px;font-weight:700;padding:12px;margin-top:12px;transition:opacity 0.2s}
+  .btn:hover:not(:disabled){opacity:0.85}
   .btn:disabled{opacity:0.4;cursor:default}
-  .btn.danger{background:#ff6b9d}
-  .info{background:rgba(78,205,196,0.08);border:1px solid rgba(78,205,196,0.2);border-radius:8px;padding:10px 12px;font-size:12px;color:rgba(255,255,255,0.6);margin-bottom:16px}
-  .msg{border-radius:8px;padding:10px 12px;font-size:13px;margin-top:12px}
+  .info{background:rgba(78,205,196,0.08);border:1px solid rgba(78,205,196,0.2);border-radius:8px;padding:10px 12px;font-size:12px;color:rgba(255,255,255,0.6);margin-bottom:16px;margin-top:4px}
+  .msg{border-radius:8px;padding:10px 12px;font-size:13px;margin-top:10px}
   .msg.ok{background:rgba(78,205,196,0.12);border:1px solid rgba(78,205,196,0.3);color:#4ecdc4}
   .msg.err{background:rgba(255,107,157,0.12);border:1px solid rgba(255,107,157,0.3);color:#ff6b9d}
+  .msg.warn{background:rgba(255,230,109,0.12);border:1px solid rgba(255,230,109,0.3);color:#ffe66d}
   .hidden{display:none}
-  .done-list{margin-top:12px;font-size:12px;color:rgba(255,255,255,0.5)}
-  .done-list li{padding:3px 0;list-style:none}
+  .done-list{margin-top:10px;font-size:12px;color:rgba(255,255,255,0.5)}
+  .done-list li{padding:2px 0;list-style:none}
   .done-list li::before{content:'✓ ';color:#4ecdc4}
-  #progress{height:4px;background:rgba(78,205,196,0.2);border-radius:2px;margin-top:8px;overflow:hidden}
+  #progress{height:4px;background:rgba(78,205,196,0.15);border-radius:2px;margin-top:10px;overflow:hidden}
   #progress-bar{height:100%;background:#4ecdc4;width:0;transition:width 0.3s}
+  .attempts{color:#ffe66d;font-size:11px;margin-top:6px;font-family:monospace}
 </style>
 </head>
 <body>
 <div class="card">
-  <h1>📤 Datei-Upload</h1>
-  <p class="sub" id="sub">Dateien hochladen</p>
+  <h1>📤 Datei hochladen</h1>
+  <p class="sub" id="sub">Dateien senden</p>
 
-  <!-- Passwort-Sektion -->
   <div id="pw-section">
-    <div class="info" id="share-info">Link wird geprüft…</div>
+    <div class="info" id="share-info">⏳ Link wird geprüft…</div>
     <label>PASSWORT</label>
-    <input type="password" id="pw" placeholder="Passwort eingeben" autocomplete="off"/>
+    <input type="password" id="pw" placeholder="Passwort eingeben" autocomplete="off" onkeydown="if(event.key==='Enter')verify()"/>
     <button class="btn" id="pw-btn" onclick="verify()">Zugang bestätigen</button>
-    <div id="pw-msg" class="msg hidden"></div>
+    <div id="pw-msg" class="hidden"></div>
+    <div id="attempts-info" class="attempts hidden"></div>
   </div>
 
-  <!-- Upload-Sektion -->
   <div id="upload-section" class="hidden">
     <div class="info" id="upload-info"></div>
-    <label>DATEI AUSWÄHLEN</label>
+    <label>DATEI(EN) AUSWÄHLEN</label>
     <input type="file" id="file-input" multiple/>
     <div id="progress"><div id="progress-bar"></div></div>
-    <button class="btn" id="upload-btn" onclick="upload()">⬆ Hochladen</button>
-    <div id="upload-msg" class="msg hidden"></div>
+    <button class="btn" id="upload-btn" onclick="uploadFiles()">⬆ Hochladen</button>
+    <div id="upload-msg" class="hidden"></div>
     <ul class="done-list" id="done-list"></ul>
   </div>
 </div>
 
 <script>
-const token = location.pathname.replace('/u/','').replace('/','');
+const token = location.pathname.split('/u/')[1] || '';
 let password = '';
 let maxMb = 10;
 
 async function init() {
+  if (!token) return showFatal('Ungültiger Link-Aufbau');
   try {
-    const r = await fetch(`/api/upload-shares/public/${token}`);
+    const r = await fetch('/api/upload-shares/public/' + encodeURIComponent(token));
     const d = await r.json();
-    if (!r.ok) return showFatal(d.error || 'Ungültiger Link');
+    if (!r.ok) return showFatal(d.error || 'Link ungültig');
     maxMb = d.max_size_mb;
-    const exp = new Date(d.expires_at).toLocaleString('de-DE', {timeZone:'Europe/Berlin',day:'2-digit',month:'2-digit',year:'numeric',hour:'2-digit',minute:'2-digit'});
-    document.getElementById('share-info').textContent = `Gültig bis: ${exp} · Max ${d.max_size_mb} MB pro Datei`;
-  } catch { showFatal('Verbindung fehlgeschlagen'); }
+    const exp = new Date(d.expires_at).toLocaleString('de-DE',{timeZone:'Europe/Berlin',day:'2-digit',month:'2-digit',year:'numeric',hour:'2-digit',minute:'2-digit'});
+    document.getElementById('share-info').textContent = '🔐 Gültig bis ' + exp + ' · max ' + d.max_size_mb + ' MB pro Datei';
+  } catch(e) {
+    showFatal('Verbindung fehlgeschlagen: ' + e.message);
+  }
 }
 
 function showFatal(msg) {
-  document.getElementById('pw-section').innerHTML = `<div class="msg err">${msg}</div>`;
+  document.getElementById('pw-section').innerHTML = '<div class="msg err">' + msg + '</div>';
 }
 
 async function verify() {
   const pw = document.getElementById('pw').value;
-  if (!pw) return;
-  document.getElementById('pw-btn').disabled = true;
+  if (!pw) { document.getElementById('pw').focus(); return; }
+  const btn = document.getElementById('pw-btn');
+  btn.disabled = true;
+  btn.textContent = '…';
+  const msg = document.getElementById('pw-msg');
   try {
-    const r = await fetch(`/api/upload-shares/public/${token}/verify`, {
-      method:'POST', headers:{'Content-Type':'application/json'},
+    const r = await fetch('/api/upload-shares/public/' + encodeURIComponent(token) + '/verify', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
       body: JSON.stringify({ password: pw })
     });
     const d = await r.json();
     if (!r.ok) {
-      document.getElementById('pw-msg').className = 'msg err';
-      document.getElementById('pw-msg').textContent = d.error;
-      document.getElementById('pw-msg').classList.remove('hidden');
-      document.getElementById('pw-btn').disabled = false;
+      msg.className = 'msg err';
+      msg.textContent = d.error;
+      msg.classList.remove('hidden');
+      if (d.locked) {
+        showFatal(d.error);
+        return;
+      }
+      if (d.attempts_left !== undefined) {
+        const ai = document.getElementById('attempts-info');
+        ai.textContent = '⚠ Noch ' + d.attempts_left + ' Versuch' + (d.attempts_left===1?'':'e') + ' übrig';
+        ai.classList.remove('hidden');
+      }
+      btn.disabled = false;
+      btn.textContent = 'Zugang bestätigen';
       return;
     }
     password = pw;
     maxMb = d.max_size_mb;
     document.getElementById('pw-section').classList.add('hidden');
-    document.getElementById('upload-section').classList.remove('hidden');
-    const exp = new Date(d.expires_at).toLocaleString('de-DE', {timeZone:'Europe/Berlin',day:'2-digit',month:'2-digit',year:'numeric',hour:'2-digit',minute:'2-digit'});
-    document.getElementById('upload-info').textContent = `Gültig bis ${exp} · Max ${d.max_size_mb} MB pro Datei`;
-    document.getElementById('sub').textContent = 'Dateien hochladen ✓';
-  } catch {
-    document.getElementById('pw-btn').disabled = false;
+    const us = document.getElementById('upload-section');
+    us.classList.remove('hidden');
+    const exp = new Date(d.expires_at).toLocaleString('de-DE',{timeZone:'Europe/Berlin',day:'2-digit',month:'2-digit',year:'numeric',hour:'2-digit',minute:'2-digit'});
+    document.getElementById('upload-info').textContent = '✓ Zugang bestätigt · Gültig bis ' + exp + ' · max ' + d.max_size_mb + ' MB pro Datei';
+    document.getElementById('sub').textContent = 'Bereit zum Hochladen';
+  } catch(e) {
+    msg.className = 'msg err';
+    msg.textContent = 'Verbindung fehlgeschlagen: ' + e.message;
+    msg.classList.remove('hidden');
+    btn.disabled = false;
+    btn.textContent = 'Zugang bestätigen';
   }
 }
 
-async function upload() {
+async function uploadFiles() {
   const files = document.getElementById('file-input').files;
-  if (!files.length) return;
+  if (!files.length) { document.getElementById('file-input').click(); return; }
   const btn = document.getElementById('upload-btn');
   btn.disabled = true;
-  const msg = document.getElementById('upload-msg');
-  const bar = document.getElementById('progress-bar');
+  const msg  = document.getElementById('upload-msg');
+  const bar  = document.getElementById('progress-bar');
   const list = document.getElementById('done-list');
+  msg.classList.add('hidden');
 
-  for (let i=0; i<files.length; i++) {
+  for (let i = 0; i < files.length; i++) {
     const file = files[i];
-    if (file.size > maxMb*1024*1024) {
-      msg.className = 'msg err'; msg.textContent = `"${file.name}" ist zu groß (max ${maxMb} MB)`; msg.classList.remove('hidden');
+    if (file.size > maxMb * 1024 * 1024) {
+      msg.className = 'msg warn';
+      msg.textContent = '"' + file.name + '" ist zu groß (max ' + maxMb + ' MB)';
+      msg.classList.remove('hidden');
       continue;
     }
-    bar.style.width = ((i+0.5)/files.length*100)+'%';
-    const fd = new FormData(); fd.append('file', file);
+    bar.style.width = ((i + 0.5) / files.length * 100) + '%';
+    const fd = new FormData();
+    fd.append('file', file);
     try {
-      const r = await fetch(`/api/upload-shares/public/${token}/upload`, {
-        method:'POST', headers:{'x-upload-password': password}, body: fd
+      const r = await fetch('/api/upload-shares/public/' + encodeURIComponent(token) + '/upload', {
+        method: 'POST',
+        headers: { 'x-upload-password': password },
+        body: fd
       });
       const d = await r.json();
       if (r.ok) {
-        const li = document.createElement('li'); li.textContent = file.name; list.appendChild(li);
-        msg.className = 'msg ok'; msg.textContent = `${list.children.length} Datei(en) erfolgreich hochgeladen`; msg.classList.remove('hidden');
+        const li = document.createElement('li');
+        li.textContent = file.name;
+        list.appendChild(li);
       } else {
-        msg.className = 'msg err'; msg.textContent = d.error; msg.classList.remove('hidden');
+        msg.className = 'msg err';
+        msg.textContent = d.error;
+        msg.classList.remove('hidden');
       }
-    } catch { msg.className='msg err'; msg.textContent='Upload fehlgeschlagen'; msg.classList.remove('hidden'); }
+    } catch(e) {
+      msg.className = 'msg err';
+      msg.textContent = 'Upload fehlgeschlagen: ' + e.message;
+      msg.classList.remove('hidden');
+    }
   }
   bar.style.width = '100%';
-  setTimeout(()=>{ bar.style.width='0'; }, 1500);
+  setTimeout(() => bar.style.width = '0', 1500);
+  if (list.children.length > 0) {
+    msg.className = 'msg ok';
+    msg.textContent = list.children.length + ' Datei' + (list.children.length !== 1 ? 'en' : '') + ' erfolgreich hochgeladen';
+    msg.classList.remove('hidden');
+  }
   btn.disabled = false;
   document.getElementById('file-input').value = '';
 }
 
-document.getElementById('pw').addEventListener('keydown', e => { if(e.key==='Enter') verify(); });
 init();
 </script>
 </body>
diff --git a/frontend/src/tools/dateien.jsx b/frontend/src/tools/dateien.jsx
index 3adba21..6956857 100644
--- a/frontend/src/tools/dateien.jsx
+++ b/frontend/src/tools/dateien.jsx
@@ -169,6 +169,8 @@ function UploadShareManager({ toast }) {
   const [form,        setForm]        = useState({ password:'', expires_hours:24, max_size_mb:10 });
   const [busy,        setBusy]        = useState(false);
   const [copied,      setCopied]      = useState(null);
+  const [lastPw,      setLastPw]      = useState('');   // für Passwort-Kopieren nach Erstellung
+  const [lastToken,   setLastToken]   = useState('');
 
   const load = () => api('/upload-shares').then(d=>{ setShares(d.shares||[]); setFolder(d.folder); }).catch(()=>{});
   useEffect(()=>{ load(); },[]);
@@ -182,7 +184,8 @@ function UploadShareManager({ toast }) {
     if (!form.password.trim()) { toast('Passwort erforderlich','error'); return; }
     setBusy(true);
     try {
-      await api('/upload-shares', { body: form });
+      const r = await api('/upload-shares', { body: form });
+      setLastPw(form.password); setLastToken(r.token||'');
       toast('Upload-Link erstellt ✓'); setShowCreate(false); setForm({password:'',expires_hours:24,max_size_mb:10}); load();
     } catch(e) { toast(e.message,'error'); }
     setBusy(false);
@@ -272,7 +275,7 @@ function UploadShareManager({ toast }) {
             </div>}
           </div>
           <button onClick={create} disabled={busy} style={{...S.btn('#4ecdc4'),width:'100%',textAlign:'center',padding:'10px 0',opacity:busy?0.5:1}}>
-            {busy?'…':'🔗 Link erstellen & kopieren'}
+            {busy?'…':'🔗 Link erstellen'}
           </button>
         </div>
       )}
@@ -293,9 +296,9 @@ function UploadShareManager({ toast }) {
             <div style={{display:'flex',alignItems:'center',gap:10,flexWrap:'wrap'}}>
               <div style={{flex:1,minWidth:0}}>
                 <div style={{display:'flex',alignItems:'center',gap:6,flexWrap:'wrap'}}>
-                  <span style={{color:!s.is_active||expired?'#ff6b9d':expired?'#ffe66d':'#4ecdc4',fontFamily:'monospace',fontSize:11,
+                  <span style={{color:!s.is_active?'#ff6b9d':expired?'#ffe66d':'#4ecdc4',fontFamily:'monospace',fontSize:11,
                     border:`1px solid currentColor`,borderRadius:4,padding:'1px 6px',flexShrink:0}}>
-                    {!s.is_active?'Deaktiviert':expired?'Abgelaufen':'Aktiv'}
+                    {!s.is_active?(s.deactivated_reason==='too_many_attempts'?'⚠ Gesperrt (Fehlversuche)':'Deaktiviert'):expired?'Abgelaufen':'Aktiv'}
                   </span>
                   <span style={{color:'rgba(255,255,255,0.4)',fontFamily:'monospace',fontSize:10}}>
                     bis {fmtDate(s.expires_at)} · max {s.max_size_mb} MB · {s.upload_count||0} Upload(s)
@@ -308,10 +311,16 @@ function UploadShareManager({ toast }) {
               </div>
               <div style={{display:'flex',gap:5,flexShrink:0}}>
                 {s.is_active && !expired && (
+                  <>
                   <button onClick={()=>copyLink(s.token)}
                     style={{...S.btn(copied===s.token?'#4ecdc4':'#ffe66d',copied!==s.token),fontSize:10,padding:'4px 10px'}}>
                     {copied===s.token?'✓ Kopiert':'📋 Link'}
                   </button>
+                  {lastToken===s.token && lastPw && (
+                    <button onClick={()=>{ navigator.clipboard?.writeText(lastPw).then(()=>toast('Passwort kopiert ✓')).catch(()=>toast(lastPw)); }}
+                      style={{...S.btn('#ffe66d',true),fontSize:10,padding:'4px 10px'}}>🔑 PW</button>
+                  )}
+                  </>
                 )}
                 {s.is_active && (
                   <button onClick={()=>deactivate(s.id)} style={{...S.btn('#ff6b9d',true),fontSize:10,padding:'4px 10px'}}>✕</button>