diff --git a/app/webui/app.html b/app/webui/app.html
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index 0000000..7307778
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+<!doctype html>
+<html lang="de">
+<head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title>CRM – Dashboard</title>
+
+    <!-- Tailwind CSS via CDN (Dev) -->
+    <script src="https://cdn.tailwindcss.com"></script>
+    <link rel="stylesheet" href="/css/app.css" />
+
+    <!-- Alpine.js -->
+    <script defer src="https://cdn.jsdelivr.net/npm/alpinejs@3.14.1/dist/cdn.min.js"></script>
+
+    <!-- App stores + dashboard component -->
+    <script type="module" src="/js/store.js"></script>
+    <script type="module" src="/js/components/notifications.js"></script>
+    <script type="module" src="/components/app-shell.js"></script>
+    <script type="module" src="/components/dashboard-kpis.js"></script>
+</head>
+<body class="min-h-screen bg-slate-50">
+
+<!-- === TOAST CONTAINER === -->
+<div x-data="toastContainer()" class="crm-toast-container" x-cloak>
+    <template x-for="n in items" :key="n.id">
+        <div class="crm-toast" :class="'toast-' + n.type"
+             @click="dismiss(n.id)" x-text="n.message"></div>
+    </template>
+</div>
+
+<!-- === LAYOUT SHELL === -->
+<!-- Auth-Gate + appShell: store.js's init() redirects to /index.html when no JWT. -->
+<div x-data="{ init: () => Alpine.store('auth').init() }" x-init="init()" class="flex min-h-screen">
+<div x-data="appShell('dashboard')" x-cloak class="flex min-h-screen flex-1">
+
+    <!-- === SIDEBAR === -->
+    <aside class="crm-sidebar">
+        <div class="px-6 py-4 text-white text-lg font-bold border-b border-slate-700">
+            <a href="/app.html" class="!text-white !border-0">CRM</a>
+        </div>
+        <nav class="mt-2">
+            <a href="/app.html"            :class="{ active: active === 'dashboard' }">Dashboard</a>
+            <a href="/accounts.html"        :class="{ active: active === 'accounts' }">Accounts</a>
+            <a href="/contacts.html"        :class="{ active: active === 'contacts' }">Contacts</a>
+            <a href="/pipeline.html"        :class="{ active: active === 'pipeline' }">Pipeline</a>
+            <a href="/activities.html"      :class="{ active: active === 'activities' }">Activities</a>
+            <a href="/settings-profile.html":class="{ active: active === 'settings-profile' }">Profil</a>
+            <a href="/settings-users.html"  :class="{ active: active === 'settings-users' }"
+               x-show="$store.auth.isAdmin">Users (Admin)</a>
+            <a href="/settings-org.html"    :class="{ active: active === 'settings-org' }"
+               x-show="$store.auth.isAdmin">Org (Admin)</a>
+        </nav>
+    </aside>
+
+    <!-- === MAIN AREA === -->
+    <div class="flex-1 flex flex-col">
+
+        <!-- Top navigation -->
+        <header class="bg-white border-b border-slate-200 px-6 py-3 flex items-center justify-between">
+            <h1 class="text-xl font-semibold text-slate-800" x-text="title"></h1>
+            <div class="flex items-center gap-3 text-sm">
+                <span class="text-slate-600">
+                    Angemeldet als
+                    <strong class="text-slate-900"
+                            x-text="$store.auth.user ? $store.auth.user.name : '…'"></strong>
+                </span>
+                <button class="btn-secondary" @click="logout()">Logout</button>
+            </div>
+        </header>
+
+        <!-- === DASHBOARD CONTENT (default landing) === -->
+        <main class="flex-1 p-6" x-data="dashboardKpis()" x-init="init()">
+
+            <!-- Loading -->
+            <div x-show="loading" class="crm-card text-center py-8">
+                <div class="crm-spinner mx-auto"></div>
+                <p class="text-slate-500 mt-2 text-sm">Lade Dashboard …</p>
+            </div>
+
+            <!-- Error -->
+            <div x-show="error" class="crm-card text-red-700 bg-red-50">
+                <span x-text="error"></span>
+            </div>
+
+            <div x-show="!loading && !error">
+
+                <!-- KPI Grid -->
+                <h2 class="text-lg font-semibold mb-3">Kennzahlen</h2>
+                <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4 mb-6">
+                    <div class="crm-card">
+                        <p class="text-xs text-slate-500">Open Deals</p>
+                        <p class="text-2xl font-bold text-slate-900" x-text="kpis.open_deals ?? '–'"></p>
+                    </div>
+                    <div class="crm-card">
+                        <p class="text-xs text-slate-500">Pipeline Value</p>
+                        <p class="text-2xl font-bold text-slate-900"
+                           x-text="formatCurrency(kpis.pipeline_value)"></p>
+                    </div>
+                    <div class="crm-card">
+                        <p class="text-xs text-slate-500">Won this Month</p>
+                        <p class="text-2xl font-bold text-slate-900" x-text="kpis.won_this_month ?? '–'"></p>
+                    </div>
+                    <div class="crm-card">
+                        <p class="text-xs text-slate-500">Conversion Rate</p>
+                        <p class="text-2xl font-bold text-slate-900"
+                           x-text="formatPercent(kpis.conversion_rate)"></p>
+                    </div>
+                </div>
+
+                <!-- Quick actions -->
+                <h2 class="text-lg font-semibold mb-3">Schnellaktionen</h2>
+                <div class="flex gap-2 mb-6">
+                    <a href="/accounts.html" class="btn-primary">+ New Account</a>
+                    <a href="/contacts.html" class="btn-primary">+ New Contact</a>
+                    <a href="/pipeline.html" class="btn-primary">+ New Deal</a>
+                </div>
+
+                <!-- Activity feed -->
+                <h2 class="text-lg font-semibold mb-3">Letzte Aktivitäten</h2>
+                <div class="crm-card">
+                    <template x-for="a in feed" :key="a.id">
+                        <div class="py-2 border-b border-slate-100 last:border-0">
+                            <div class="flex justify-between items-center">
+                                <p class="text-sm">
+                                    <span class="crm-badge" :class="badgeColor(a.type)" x-text="a.type"></span>
+                                    <span class="ml-2 font-medium text-slate-800" x-text="a.subject"></span>
+                                </p>
+                                <span class="text-xs text-slate-400" x-text="formatRelative(a.created_at)"></span>
+                            </div>
+                            <p class="text-xs text-slate-500 mt-1" x-text="a.body || ''"></p>
+                        </div>
+                    </template>
+                    <p x-show="feed.length === 0" class="text-sm text-slate-500 text-center py-4">
+                        Keine Aktivitäten.
+                    </p>
+                </div>
+            </div>
+        </main>
+    </div>
+
+</div>
+</div>
+
+</body>
+</html>
