diff --git a/app/web/app.js b/app/web/app.js
index 7371de8..9845881 100644
--- a/app/web/app.js
+++ b/app/web/app.js
@@ -2245,29 +2245,74 @@ function deviceInfo() {
   return { mobile: /Mobi|Android|iPhone|iPad|iPod/i.test(ua), platform: ua.slice(0, 120) };
 }
 
-if (emergencyBtn) {
-  emergencyBtn.addEventListener("click", async () => {
-    if (!confirm("Wirklich Hilfe rufen?\nIch alarmiere sofort Helfer!")) return;
-    const lang = (langSel && langSel.value) || "de";
+// Sichtbarer Zustand am SOS-Button selbst: idle | calling | done | error.
+// So erkennt der Senior unmittelbar am Knopf, dass der Alarm ausgelöst wurde.
+function setSosState(state) {
+  if (!emergencyBtn) return;
+  emergencyBtn.classList.remove(
+    "bg-red-600", "hover:bg-red-700", "bg-green-600", "animate-pulse"
+  );
+  if (state === "calling") {
+    emergencyBtn.textContent = "Rufe …";
     emergencyBtn.disabled = true;
-    try {
-      const g = await captureGeo();
-      const body = { language: lang, device: deviceInfo() };
-      if (g.ok) body.geo = { lat: g.lat, lon: g.lon, accuracy: g.accuracy, ts: g.ts };
-      else body.geo_error = g.error;
-      const res = await fetch("/api/emergency", {
-        method: "POST",
-        headers: { "Content-Type": "application/json" },
-        body: JSON.stringify(body),
-      });
-      const data = await res.json().catch(() => ({}));
-      const notice = (data && data.notice) ||
-        "ACHTUNG: Es ist noch keine Benachrichtigung eingebaut.";
-      addMessage("emergency", "🆘 " + notice);
-    } catch (e) {
-      addMessage("emergency", "🆘 Fehler beim Auslösen des Notrufs.");
-    } finally {
-      emergencyBtn.disabled = false;
-    }
-  });
+    emergencyBtn.classList.add("bg-red-600", "animate-pulse");
+  } else if (state === "done") {
+    emergencyBtn.textContent = "Gerufen ✓";
+    emergencyBtn.disabled = true;
+    emergencyBtn.classList.add("bg-green-600");
+  } else if (state === "error") {
+    emergencyBtn.textContent = "Fehler";
+    emergencyBtn.disabled = false;
+    emergencyBtn.classList.add("bg-red-600", "hover:bg-red-700");
+  } else { // idle
+    emergencyBtn.textContent = "SOS";
+    emergencyBtn.disabled = false;
+    emergencyBtn.classList.add("bg-red-600", "hover:bg-red-700");
+  }
 }
+
+async function runEmergency() {
+  const lang = (langSel && langSel.value) || "de";
+  setSosState("calling");
+  try {
+    const g = await captureGeo();
+    const body = { language: lang, device: deviceInfo() };
+    if (g.ok) body.geo = { lat: g.lat, lon: g.lon, accuracy: g.accuracy, ts: g.ts };
+    else body.geo_error = g.error;
+    const res = await fetch("/api/emergency", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify(body),
+    });
+    const data = await res.json().catch(() => ({}));
+    const notice = (data && data.notice) ||
+      "ACHTUNG: Es ist noch keine Benachrichtigung eingebaut.";
+    addMessage("emergency", "🆘 " + notice);
+    setSosState("done");
+    setTimeout(() => setSosState("idle"), 6000);   // danach zurück zu „SOS"
+  } catch (e) {
+    addMessage("emergency", "🆘 Fehler beim Auslösen des Notrufs.");
+    setSosState("error");
+    setTimeout(() => setSosState("idle"), 4000);
+  }
+}
+
+// Großer eigener Bestätigungsdialog statt native confirm() — seniorentauglich.
+const sosConfirm = $("#sos-confirm");
+function openSosConfirm() { if (sosConfirm) sosConfirm.classList.remove("hidden"); }
+function closeSosConfirm() { if (sosConfirm) sosConfirm.classList.add("hidden"); }
+
+if (emergencyBtn) {
+  emergencyBtn.addEventListener("click", openSosConfirm);
+}
+const sosYesBtn = $("#sos-confirm-yes");
+const sosNoBtn = $("#sos-confirm-no");
+if (sosYesBtn) sosYesBtn.addEventListener("click", () => { closeSosConfirm(); runEmergency(); });
+if (sosNoBtn) sosNoBtn.addEventListener("click", closeSosConfirm);
+// Klick auf den Hintergrund oder Escape bricht ab (schließt nur den Dialog).
+if (sosConfirm) {
+  sosConfirm.addEventListener("click", (e) => { if (e.target === sosConfirm) closeSosConfirm(); });
+}
+document.addEventListener("keydown", (e) => {
+  if (e.key === "Escape" && sosConfirm && !sosConfirm.classList.contains("hidden")) closeSosConfirm();
+});
diff --git a/app/web/index.html b/app/web/index.html
index f1c782c..edceaee 100644
--- a/app/web/index.html
+++ b/app/web/index.html
@@ -229,7 +229,7 @@
     <img src="/favicon.svg?v=1" alt="" class="w-7 h-7 shrink-0" />
     <h1 class="flex-1 truncate font-semibold text-base">Voice&nbsp;Assistant</h1>
     <button type="button" id="emergency-btn" title="Hilfe rufen" aria-label="Hilfe rufen"
-      class="shrink-0 h-9 w-9 grid place-items-center rounded-lg border border-red-300 dark:border-red-800 text-red-600 dark:text-red-400 hover:bg-red-50 dark:hover:bg-red-900/20 transition-colors text-base">🆘</button>
+      class="shrink-0 h-11 px-4 grid place-items-center rounded-lg bg-red-600 hover:bg-red-700 text-white font-extrabold tracking-wide text-lg shadow-sm whitespace-nowrap transition-colors disabled:opacity-100">SOS</button>
     <select id="lang-sel" title="Sprache"
       class="text-sm rounded-lg border border-slate-300 dark:border-slate-600 bg-transparent px-2 py-1.5">
       <option value="de">🇩🇪 DE</option>
@@ -365,6 +365,27 @@
     <div id="status" class="w-full max-w-3xl mx-auto mt-1 min-h-[1rem] text-xs text-slate-500 dark:text-slate-400"></div>
   </footer>
 
-  <script src="/app.js?v=48"></script>
+  <!-- ═══════════════ SOS-Bestätigung (Notruf) ═══════════════ -->
+  <div id="sos-confirm" role="dialog" aria-modal="true" aria-labelledby="sos-confirm-title"
+    class="hidden fixed inset-0 z-[60] flex items-center justify-center bg-black/50 p-4">
+    <div class="w-full max-w-sm rounded-2xl bg-white dark:bg-slate-800 shadow-xl overflow-hidden">
+      <div class="bg-red-600 text-white px-5 py-4 flex items-center gap-3">
+        <span class="text-3xl font-extrabold tracking-wide">SOS</span>
+        <span id="sos-confirm-title" class="text-lg font-semibold">Hilfe rufen?</span>
+      </div>
+      <div class="px-5 py-4">
+        <p class="text-base text-slate-700 dark:text-slate-200">Möchten Sie wirklich Hilfe rufen?</p>
+        <p class="mt-1 text-sm font-semibold text-red-600 dark:text-red-400">Es werden sofort Helfer alarmiert.</p>
+      </div>
+      <div class="px-5 pb-5 grid grid-cols-1 gap-3">
+        <button type="button" id="sos-confirm-yes"
+          class="h-14 rounded-xl bg-red-600 hover:bg-red-700 text-white text-xl font-extrabold tracking-wide transition-colors">JA, HILFE RUFEN</button>
+        <button type="button" id="sos-confirm-no"
+          class="h-12 rounded-xl border border-slate-300 dark:border-slate-600 text-slate-700 dark:text-slate-200 text-lg font-semibold hover:bg-slate-100 dark:hover:bg-slate-700 transition-colors">Abbrechen</button>
+      </div>
+    </div>
+  </div>
+
+  <script src="/app.js?v=49"></script>
 </body>
 </html>