diff --git a/src/static/css/style.css b/src/static/css/style.css
index ef7cee6..ec7a400 100644
--- a/src/static/css/style.css
+++ b/src/static/css/style.css
@@ -928,47 +928,75 @@ input[type="date"].filter-select { padding: 6px 10px; }
 .health-run-item { display: inline-flex; align-items: center; gap: 8px; }
 .health-run-item #healthRunInfo { font-size: 12px; }
 
-/* Checkbox-Filterleisten (Standard fuer alle Filter im Portal) */
+/* Checkbox-Dropdowns (Standard fuer alle Filter im Portal) */
 .filter-bar {
     display: flex;
-    flex-direction: column;
-    gap: 4px;
-    padding: 10px 14px;
+    align-items: flex-start;
+    gap: 8px;
+    flex-wrap: wrap;
     margin-bottom: 14px;
+}
+.filter-dd { position: relative; }
+.filter-dd-btn {
+    display: inline-flex;
+    align-items: center;
+    gap: 6px;
+    padding: 7px 12px;
+    background: var(--bg-secondary);
+    border: 1px solid var(--border);
+    border-radius: 6px;
+    color: var(--text-primary);
+    font-size: 13px;
+    cursor: pointer;
+}
+.filter-dd-btn:hover { background: var(--bg-tertiary); }
+.filter-dd-btn.has-selection { border-color: var(--accent); }
+.filter-dd-count {
+    background: var(--accent);
+    color: #1A1A1A; /* Text auf Gold immer dunkel (ON_ACCENT) */
+    border-radius: 999px;
+    font-size: 11px;
+    font-weight: 700;
+    padding: 0 6px;
+    line-height: 16px;
+}
+.filter-dd-caret { font-size: 10px; color: var(--text-secondary); }
+.filter-dd-panel {
+    display: none;
+    position: absolute;
+    top: calc(100% + 4px);
+    left: 0;
+    z-index: 60;
+    min-width: 210px;
+    max-height: 320px;
+    overflow-y: auto;
+    padding: 8px;
     background: var(--bg-secondary);
     border: 1px solid var(--border);
     border-radius: 8px;
+    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
+    flex-direction: column;
+    gap: 2px;
 }
-.filter-group {
-    display: flex;
-    align-items: baseline;
-    gap: 4px 10px;
-    flex-wrap: wrap;
-}
-.filter-group-label {
-    font-size: 11px;
-    font-weight: 600;
-    color: var(--text-secondary);
-    text-transform: uppercase;
-    letter-spacing: 0.4px;
-    min-width: 92px;
-    cursor: default;
-}
+.filter-dd.open .filter-dd-panel { display: flex; }
+[data-theme="light"] .filter-dd-panel { box-shadow: 0 8px 24px rgba(26, 26, 26, 0.18); }
 .filter-check {
-    display: inline-flex;
+    display: flex;
     align-items: center;
-    gap: 5px;
+    gap: 7px;
     font-size: 13px;
     cursor: pointer;
-    padding: 2px 7px;
+    padding: 4px 8px;
     border-radius: 6px;
     user-select: none;
+    white-space: nowrap;
 }
 .filter-check:hover { background: var(--bg-tertiary); }
 .filter-check input {
     accent-color: var(--accent);
     cursor: pointer;
     margin: 0;
+    flex-shrink: 0;
 }
 
 /* Checkbox-Spalte: nur sichtbar bei Herkunfts-Filter "Kundenquellen" */
diff --git a/src/static/dashboard.html b/src/static/dashboard.html
index 67a0bf7..31febef 100644
--- a/src/static/dashboard.html
+++ b/src/static/dashboard.html
@@ -6,7 +6,7 @@
   <title>AegisSight Monitor-Verwaltung</title>
   <link rel="icon" type="image/svg+xml" href="/static/favicon.svg">
   <link rel="apple-touch-icon" href="/static/favicon.svg">
-  <link rel="stylesheet" href="/static/css/style.css?v=20260725k">
+  <link rel="stylesheet" href="/static/css/style.css?v=20260725l">
   <script>(function(){var t=localStorage.getItem('portal_theme');if(t==='light')document.documentElement.setAttribute('data-theme','light');try{var a=JSON.parse(localStorage.getItem('osint_a11y')||'{}');Object.keys(a).forEach(function(k){if(a[k])document.documentElement.setAttribute('data-a11y-'+k,'true');});}catch(e){}})()</script>
 
     <style>
@@ -970,7 +970,7 @@
   </div>
 
   <script src="/static/js/a11y.js?v=20260725a"></script>
-  <script src="/static/js/app.js?v=20260725t"></script>
+  <script src="/static/js/app.js?v=20260725u"></script>
   <script src="/static/js/sources.js?v=20260725e"></script>
   <script src="/static/js/aufgaben.js?v=20260725b"></script>
   <script src="/static/js/x-scraper.js?v=20260522a"></script>
diff --git a/src/static/js/app.js b/src/static/js/app.js
index 48cf3ee..a0857f6 100644
--- a/src/static/js/app.js
+++ b/src/static/js/app.js
@@ -1375,18 +1375,30 @@ function populateSelect(el, items, allLabel) {
   if (current && items.some(it => it.key === current)) el.value = current;
 }
 
-// Checkbox-Filtergruppe (Standard für alle Filter im Portal, statt Dropdowns).
+// Checkbox-Dropdown (Standard für alle Filter im Portal). Ein Knopf mit dem
+// Filternamen klappt eine Liste von Checkboxen auf (Mehrfachauswahl).
 // selected ist ein Set mit den angehakten Keys. Nichts angehakt = keine
-// Einschränkung. onChange wird nach jedem Toggle aufgerufen.
+// Einschränkung. onChange wird nach jedem Toggle aufgerufen, das Panel
+// bleibt dabei offen.
 function renderFilterGroup(container, title, items, selected, onChange) {
   if (!container) return;
   const wrap = document.createElement("div");
-  wrap.className = "filter-group";
-  const lbl = document.createElement("span");
-  lbl.className = "filter-group-label";
-  lbl.textContent = title;
-  lbl.title = "Nichts angehakt = alle";
-  wrap.appendChild(lbl);
+  wrap.className = "filter-dd";
+
+  const btn = document.createElement("button");
+  btn.type = "button";
+  btn.className = "filter-dd-btn";
+  btn.title = "Nichts angehakt = alle";
+  const updateBtn = () => {
+    btn.innerHTML = esc(title)
+      + (selected.size ? ` <span class="filter-dd-count">${selected.size}</span>` : "")
+      + ' <span class="filter-dd-caret">&#9662;</span>';
+    btn.classList.toggle("has-selection", selected.size > 0);
+  };
+  updateBtn();
+
+  const panel = document.createElement("div");
+  panel.className = "filter-dd-panel";
   (items || []).forEach((it) => {
     const label = document.createElement("label");
     label.className = "filter-check";
@@ -1396,15 +1408,41 @@ function renderFilterGroup(container, title, items, selected, onChange) {
     cb.addEventListener("change", () => {
       if (cb.checked) selected.add(it.key);
       else selected.delete(it.key);
+      updateBtn();
       onChange();
     });
     label.appendChild(cb);
     label.appendChild(document.createTextNode(it.label));
-    wrap.appendChild(label);
+    panel.appendChild(label);
   });
+  if (!(items || []).length) {
+    const empty = document.createElement("div");
+    empty.className = "text-muted";
+    empty.style.fontSize = "12px";
+    empty.textContent = "Keine Werte vorhanden";
+    panel.appendChild(empty);
+  }
+
+  btn.addEventListener("click", (e) => {
+    e.stopPropagation();
+    const wasOpen = wrap.classList.contains("open");
+    closeAllFilterDropdowns();
+    if (!wasOpen) wrap.classList.add("open");
+  });
+  panel.addEventListener("click", (e) => e.stopPropagation());
+
+  wrap.appendChild(btn);
+  wrap.appendChild(panel);
   container.appendChild(wrap);
 }
 
+function closeAllFilterDropdowns() {
+  document.querySelectorAll(".filter-dd.open").forEach((el) => el.classList.remove("open"));
+}
+
+// Klick irgendwo anders schließt offene Filter-Dropdowns
+document.addEventListener("click", () => closeAllFilterDropdowns());
+
 document.addEventListener("DOMContentLoaded", () => {
   // Beim Page-Load Meta einmalig laden (asynchron, blockiert nicht)
   if (window.API && (localStorage.getItem("token") || window.location.pathname === "/dashboard")) {