feat(frontend): E-Mail-Popup, Aktivitaeten-Zeitstrahl + Profil in Tab-Leiste

- EmailsTab: Outlook-aehnlicher Detail-Popup beim Klick auf E-Mail (Von/An/Datum/Anhang-Meta, Body-Vorschau, In Kontakt speichern als EMAIL-Aktivitaet)
- Neues EmailsTab.module.css fuer kompakte Liste und Modal
- ContactDetailPage: Aktivitaeten-Filterleiste (Typ + Zeitraum Von/Bis)
- ContactDetailPage: Zeitstrahl mit vertikaler Verbindungslinie, farbigen Typ-Badges (Note/Call/Email/Meeting/Task/FollowUp)
- DashboardPage: Profil-Bereich (Theme-Schalter, Avatar, Name, Logout) in Tab-Leiste integriert und leicht farblich abgesetzt

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

packages/frontend/src/crm/contacts/ContactDetailPage.module.css

@@ -191,22 +191,99 @@
   font-weight: 500;
 }
 
-/* ---- Timeline ---- */
+/* ---- Aktivitäten-Filter ---- */
+.activityFilterBar {
+  display: flex;
+  align-items: center;
+  gap: 0.625rem;
+  flex-wrap: wrap;
+  padding: 0.625rem 0.875rem;
+  background: var(--color-bg);
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-sm);
+  margin-bottom: 1rem;
+}
+
+.activityFilterSelect {
+  padding: 0.25rem 0.5rem;
+  font-size: 0.8125rem;
+  background: var(--color-bg-card);
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-sm);
+  color: var(--color-text);
+  cursor: pointer;
+  height: 30px;
+}
+
+.activityFilterDate {
+  padding: 0.25rem 0.5rem;
+  font-size: 0.8125rem;
+  background: var(--color-bg-card);
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-sm);
+  color: var(--color-text);
+  height: 30px;
+  width: 130px;
+}
+
+.activityFilterLabel {
+  font-size: 0.75rem;
+  color: var(--color-text-muted);
+  white-space: nowrap;
+}
+
+.activityFilterReset {
+  padding: 0.25rem 0.625rem;
+  font-size: 0.75rem;
+  background: transparent;
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-sm);
+  color: var(--color-text-muted);
+  cursor: pointer;
+  transition: all 0.12s;
+  white-space: nowrap;
+}
+
+.activityFilterReset:hover {
+  color: var(--color-text);
+  border-color: var(--color-text-muted);
+}
+
+.activityFilterCount {
+  margin-left: auto;
+  font-size: 0.75rem;
+  color: var(--color-text-muted);
+  white-space: nowrap;
+}
+
+/* ---- Timeline (Zeitstrahl) ---- */
 .timeline {
+  position: relative;
   display: flex;
   flex-direction: column;
-  gap: 0;
+}
+
+/* Verbindungslinie links */
+.timeline::before {
+  content: '';
+  position: absolute;
+  left: 15px; /* Mitte des 32px Icons */
+  top: 24px;
+  bottom: 16px;
+  width: 2px;
+  background: var(--color-border);
+  pointer-events: none;
 }
 
 .timelineItem {
+  position: relative;
   display: flex;
-  gap: 0.75rem;
+  gap: 0.875rem;
-  padding: 0.75rem 0;
+  padding: 0.625rem 0;
-  border-bottom: 1px solid var(--color-border);
 }
 
 .timelineItem:last-child {
-  border-bottom: none;
+  padding-bottom: 0;
 }
 
 .timelineIcon {
@@ -214,35 +291,81 @@
   width: 32px;
   height: 32px;
   border-radius: 50%;
-  background: var(--color-bg);
+  background: var(--color-bg-card);
-  border: 1px solid var(--color-border);
+  border: 2px solid var(--color-border);
   display: flex;
   align-items: center;
   justify-content: center;
+  position: relative;
+  z-index: 1;
+  transition: border-color 0.15s;
 }
 
+/* Farbige Icon-Kreise pro Typ */
+.timelineIconNote   { border-color: #94a3b8; color: #64748b; }
+.timelineIconCall   { border-color: #22c55e; color: #16a34a; }
+.timelineIconEmail  { border-color: #3b82f6; color: #2563eb; }
+.timelineIconMeeting { border-color: #a855f7; color: #9333ea; }
+.timelineIconTask   { border-color: #f59e0b; color: #d97706; }
+.timelineIconFollowup { border-color: #ef4444; color: #dc2626; }
+
 .timelineContent {
   flex: 1;
   min-width: 0;
+  padding-top: 0.1875rem;
 }
 
 .timelineSubject {
   font-size: 0.875rem;
   font-weight: 500;
   color: var(--color-text);
+  line-height: 1.35;
 }
 
 .timelineMeta {
+  display: flex;
+  align-items: center;
+  gap: 0.375rem;
+  margin-top: 0.1875rem;
+}
+
+.timelineTypeBadge {
+  display: inline-flex;
+  align-items: center;
+  padding: 0.0625rem 0.4375rem;
+  border-radius: 9999px;
+  font-size: 0.6875rem;
+  font-weight: 600;
+  text-transform: uppercase;
+  letter-spacing: 0.4px;
+  white-space: nowrap;
+}
+
+.timelineBadgeNote     { background: #f1f5f9; color: #64748b; }
+.timelineBadgeCall     { background: #dcfce7; color: #16a34a; }
+.timelineBadgeEmail    { background: #dbeafe; color: #2563eb; }
+.timelineBadgeMeeting  { background: #f3e8ff; color: #9333ea; }
+.timelineBadgeTask     { background: #fef9c3; color: #d97706; }
+.timelineBadgeFollowup { background: #fee2e2; color: #dc2626; }
+
+.timelineDate {
   font-size: 0.75rem;
   color: var(--color-text-muted);
-  margin-top: 0.125rem;
 }
 
 .timelineDesc {
   font-size: 0.8125rem;
   color: var(--color-text-secondary);
-  margin-top: 0.375rem;
+  margin-top: 0.3125rem;
   white-space: pre-wrap;
+  line-height: 1.45;
+}
+
+.timelineEmpty {
+  text-align: center;
+  padding: 1.5rem 0;
+  color: var(--color-text-muted);
+  font-size: 0.875rem;
 }
 
 /* ---- Notes ---- */

packages/frontend/src/crm/contacts/ContactDetailPage.tsx

@@ -119,6 +119,11 @@ export function ContactDetailPage() {
   const [isDeleteOpen, setDeleteOpen] = useState(false);
   const [m365Tab, setM365Tab] = useState<M365Tab>('emails');
 
+  // Aktivitäten-Filter
+  const [actTypeFilter, setActTypeFilter] = useState<ActivityType | 'ALL'>('ALL');
+  const [actDateFrom, setActDateFrom] = useState('');
+  const [actDateTo, setActDateTo] = useState('');
+
   if (isLoading) return <p>Laden…</p>;
   if (error || !data)
     return (
@@ -128,9 +133,31 @@ export function ContactDetailPage() {
     );
 
   const contact = data.data;
-  const activities: Activity[] = contact.activities ?? [];
+  const allActivities: Activity[] = contact.activities ?? [];
   const deals = dealsData?.data ?? [];
 
+  // Gefilterte Aktivitäten
+  const activities = allActivities.filter((act) => {
+    if (actTypeFilter !== 'ALL' && act.type !== actTypeFilter) return false;
+    if (actDateFrom) {
+      const actDate = new Date(act.createdAt).toISOString().slice(0, 10);
+      if (actDate < actDateFrom) return false;
+    }
+    if (actDateTo) {
+      const actDate = new Date(act.createdAt).toISOString().slice(0, 10);
+      if (actDate > actDateTo) return false;
+    }
+    return true;
+  });
+
+  const isFilterActive = actTypeFilter !== 'ALL' || actDateFrom !== '' || actDateTo !== '';
+
+  function resetFilters() {
+    setActTypeFilter('ALL');
+    setActDateFrom('');
+    setActDateTo('');
+  }
+
   return (
     <div>
       {/* Back link */}
@@ -495,6 +522,7 @@ export function ContactDetailPage() {
 
       {/* ── Aktivitäten (full width below) ── */}
       <div className={styles.card} style={{ marginTop: '1.5rem' }}>
+        {/* Karten-Header */}
         <div
           style={{
             display: 'flex',
@@ -505,6 +533,18 @@ export function ContactDetailPage() {
         >
           <h2 className={styles.cardTitle} style={{ margin: 0 }}>
             Aktivitäten
+            {allActivities.length > 0 && (
+              <span
+                style={{
+                  marginLeft: '0.5rem',
+                  fontSize: '0.8125rem',
+                  fontWeight: 400,
+                  color: 'var(--color-text-muted)',
+                }}
+              >
+                ({allActivities.length})
+              </span>
+            )}
           </h2>
           <button
             onClick={() => setActivityOpen(true)}
@@ -523,31 +563,113 @@ export function ContactDetailPage() {
           </button>
         </div>
 
+        {/* Filter-Leiste */}
+        {allActivities.length > 0 && (
+          <div className={styles.activityFilterBar}>
+            <span className={styles.activityFilterLabel}>Typ:</span>
+            <select
+              className={styles.activityFilterSelect}
+              value={actTypeFilter}
+              onChange={(e) =>
+                setActTypeFilter(e.target.value as ActivityType | 'ALL')
+              }
+            >
+              <option value="ALL">Alle</option>
+              {(Object.keys(ACTIVITY_TYPE_LABELS) as ActivityType[]).map(
+                (t) => (
+                  <option key={t} value={t}>
+                    {ACTIVITY_TYPE_LABELS[t]}
+                  </option>
+                ),
+              )}
+            </select>
+
+            <span className={styles.activityFilterLabel}>Von:</span>
+            <input
+              type="date"
+              className={styles.activityFilterDate}
+              value={actDateFrom}
+              onChange={(e) => setActDateFrom(e.target.value)}
+            />
+
+            <span className={styles.activityFilterLabel}>Bis:</span>
+            <input
+              type="date"
+              className={styles.activityFilterDate}
+              value={actDateTo}
+              onChange={(e) => setActDateTo(e.target.value)}
+            />
+
+            {isFilterActive && (
+              <button
+                type="button"
+                className={styles.activityFilterReset}
+                onClick={resetFilters}
+              >
+                × Filter zurücksetzen
+              </button>
+            )}
+
+            <span className={styles.activityFilterCount}>
+              {activities.length} von {allActivities.length}
+            </span>
+          </div>
+        )}
+
+        {/* Zeitstrahl */}
         {activities.length === 0 ? (
-          <p style={{ color: 'var(--color-text-muted)', fontSize: '0.875rem' }}>
+          <p className={styles.timelineEmpty}>
-            Keine Aktivitäten vorhanden
+            {isFilterActive
+              ? 'Keine Aktivitäten für den gewählten Filter'
+              : 'Keine Aktivitäten vorhanden'}
           </p>
         ) : (
           <div className={styles.timeline}>
-            {activities.map((act) => (
+            {activities.map((act) => {
-              <div key={act.id} className={styles.timelineItem}>
+              const iconClass = {
-                <div className={styles.timelineIcon}>
+                NOTE: styles.timelineIconNote,
-                  {activityIcon(act.type)}
+                CALL: styles.timelineIconCall,
-                </div>
+                EMAIL: styles.timelineIconEmail,
-                <div className={styles.timelineContent}>
+                MEETING: styles.timelineIconMeeting,
-                  <div className={styles.timelineSubject}>{act.subject}</div>
+                TASK: styles.timelineIconTask,
-                  <div className={styles.timelineMeta}>
+                FOLLOWUP: styles.timelineIconFollowup,
-                    {ACTIVITY_TYPE_LABELS[act.type]} &middot;{' '}
+              }[act.type] ?? '';
-                    {formatDate(act.createdAt)}
+
+              const badgeClass = {
+                NOTE: styles.timelineBadgeNote,
+                CALL: styles.timelineBadgeCall,
+                EMAIL: styles.timelineBadgeEmail,
+                MEETING: styles.timelineBadgeMeeting,
+                TASK: styles.timelineBadgeTask,
+                FOLLOWUP: styles.timelineBadgeFollowup,
+              }[act.type] ?? '';
+
+              return (
+                <div key={act.id} className={styles.timelineItem}>
+                  <div className={`${styles.timelineIcon} ${iconClass}`}>
+                    {activityIcon(act.type)}
                   </div>
-                  {act.description && (
+                  <div className={styles.timelineContent}>
-                    <div className={styles.timelineDesc}>
+                    <div className={styles.timelineSubject}>{act.subject}</div>
-                      {act.description}
+                    <div className={styles.timelineMeta}>
+                      <span
+                        className={`${styles.timelineTypeBadge} ${badgeClass}`}
+                      >
+                        {ACTIVITY_TYPE_LABELS[act.type]}
+                      </span>
+                      <span className={styles.timelineDate}>
+                        {formatDate(act.createdAt)}
+                      </span>
                     </div>
-                  )}
+                    {act.description && (
+                      <div className={styles.timelineDesc}>
+                        {act.description}
+                      </div>
+                    )}
+                  </div>
                 </div>
-              </div>
+              );
-            ))}
+            })}
           </div>
         )}
       </div>

packages/frontend/src/crm/contacts/EmailsTab.module.css

@@ -0,0 +1,332 @@
+/* ============================================================
+   EmailsTab – E-Mail-Liste + Detail-Modal
+   ============================================================ */
+
+/* ---- E-Mail-Liste ---- */
+.emailList {
+  display: flex;
+  flex-direction: column;
+  gap: 0.3125rem;
+}
+
+.emailItem {
+  display: flex;
+  align-items: flex-start;
+  gap: 0.625rem;
+  padding: 0.5rem 0.75rem;
+  background: var(--color-bg-card);
+  border: 1px solid var(--color-border);
+  border-left-width: 3px;
+  border-left-color: transparent;
+  border-radius: var(--radius-sm);
+  cursor: pointer;
+  transition: background 0.12s, border-color 0.12s;
+  text-align: left;
+  width: 100%;
+  min-width: 0;
+}
+
+.emailItem:hover {
+  background: var(--color-bg-subtle, var(--color-bg));
+}
+
+.emailItemUnread {
+  border-left-color: var(--color-primary);
+}
+
+.emailMeta {
+  flex: 1;
+  min-width: 0;
+  overflow: hidden;
+}
+
+.emailRow1 {
+  display: flex;
+  align-items: baseline;
+  justify-content: space-between;
+  gap: 0.5rem;
+  margin-bottom: 0.125rem;
+}
+
+.emailSubject {
+  font-size: 0.8125rem;
+  font-weight: 400;
+  color: var(--color-text);
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  flex: 1;
+  min-width: 0;
+}
+
+.emailSubjectUnread {
+  font-weight: 600;
+}
+
+.emailTime {
+  font-size: 0.75rem;
+  color: var(--color-text-muted);
+  flex-shrink: 0;
+  white-space: nowrap;
+}
+
+.emailFrom {
+  font-size: 0.75rem;
+  color: var(--color-text-muted);
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.emailPreview {
+  font-size: 0.75rem;
+  color: var(--color-text-secondary);
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  margin-top: 0.125rem;
+  opacity: 0.8;
+}
+
+/* ---- Status-Dots ---- */
+.unreadDot {
+  flex-shrink: 0;
+  width: 7px;
+  height: 7px;
+  border-radius: 50%;
+  background: var(--color-primary);
+  margin-top: 0.4rem;
+}
+
+.readSpacer {
+  flex-shrink: 0;
+  width: 7px;
+}
+
+/* ---- Anhang-Badge ---- */
+.attachBadge {
+  flex-shrink: 0;
+  font-size: 0.875rem;
+  margin-top: 0.125rem;
+  opacity: 0.7;
+}
+
+/* ============================================================
+   Detail-Modal
+   ============================================================ */
+
+.backdrop {
+  position: fixed;
+  inset: 0;
+  background: rgba(0, 0, 0, 0.45);
+  z-index: 200;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 1rem;
+}
+
+.modal {
+  background: var(--color-bg-card);
+  border-radius: var(--radius-md);
+  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
+  border: 1px solid var(--color-border);
+  width: 100%;
+  max-width: 660px;
+  max-height: 82vh;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+}
+
+/* Modal-Header */
+.modalHeader {
+  padding: 1rem 1.25rem;
+  border-bottom: 1px solid var(--color-border);
+  display: flex;
+  align-items: flex-start;
+  gap: 0.75rem;
+  flex-shrink: 0;
+}
+
+.modalHeaderLeft {
+  flex: 1;
+  min-width: 0;
+  display: flex;
+  flex-direction: column;
+  gap: 0.3rem;
+}
+
+.modalSubject {
+  font-size: 1rem;
+  font-weight: 600;
+  color: var(--color-text);
+  word-break: break-word;
+  margin: 0;
+  line-height: 1.35;
+}
+
+.modalUnreadBadge {
+  display: inline-block;
+  padding: 0.125rem 0.5rem;
+  background: var(--color-primary);
+  color: white;
+  border-radius: 9999px;
+  font-size: 0.6875rem;
+  font-weight: 600;
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+  align-self: flex-start;
+}
+
+.modalClose {
+  flex-shrink: 0;
+  width: 28px;
+  height: 28px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: none;
+  border: none;
+  color: var(--color-text-muted);
+  font-size: 1.375rem;
+  cursor: pointer;
+  border-radius: var(--radius-sm);
+  transition: color 0.12s, background 0.12s;
+  line-height: 1;
+}
+
+.modalClose:hover {
+  color: var(--color-text);
+  background: var(--color-bg);
+}
+
+/* Modal-Body */
+.modalBody {
+  flex: 1;
+  overflow-y: auto;
+  padding: 1.25rem;
+  display: flex;
+  flex-direction: column;
+  gap: 1rem;
+}
+
+/* Meta-Tabelle (Von / An / Datum / Anhang) */
+.metaTable {
+  display: grid;
+  grid-template-columns: 52px 1fr;
+  gap: 0.3125rem 0.625rem;
+  font-size: 0.8125rem;
+  background: var(--color-bg);
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-sm);
+  padding: 0.75rem;
+}
+
+.metaLabel {
+  color: var(--color-text-muted);
+  font-weight: 500;
+  padding-top: 0.0625rem;
+}
+
+.metaValue {
+  color: var(--color-text);
+  word-break: break-word;
+}
+
+/* Body-Vorschau */
+.bodyPreview {
+  font-size: 0.875rem;
+  color: var(--color-text-secondary);
+  white-space: pre-wrap;
+  line-height: 1.65;
+  background: var(--color-bg);
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-sm);
+  padding: 1rem;
+}
+
+.bodyHint {
+  font-size: 0.75rem;
+  color: var(--color-text-muted);
+  text-align: center;
+  margin: 0;
+}
+
+/* Speichern-Bereich */
+.saveSection {
+  border-top: 1px solid var(--color-border);
+  padding-top: 0.875rem;
+  display: flex;
+  align-items: center;
+  gap: 0.75rem;
+  flex-wrap: wrap;
+}
+
+.saveBtn {
+  padding: 0.375rem 0.875rem;
+  background: var(--color-primary);
+  color: white;
+  border: none;
+  border-radius: var(--radius-sm);
+  font-size: 0.8125rem;
+  font-weight: 600;
+  cursor: pointer;
+  transition: opacity 0.12s;
+  white-space: nowrap;
+}
+
+.saveBtn:disabled {
+  opacity: 0.65;
+  cursor: wait;
+}
+
+.saveBtnSuccess {
+  background: #16a34a;
+}
+
+.saveBtnError {
+  background: var(--color-error, #dc2626);
+}
+
+.saveMsg {
+  font-size: 0.75rem;
+  color: var(--color-text-muted);
+}
+
+/* Modal-Footer */
+.modalFooter {
+  padding: 0.75rem 1.25rem;
+  border-top: 1px solid var(--color-border);
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 0.75rem;
+  flex-shrink: 0;
+}
+
+.modalFooterDate {
+  font-size: 0.75rem;
+  color: var(--color-text-muted);
+}
+
+.outlookBtn {
+  padding: 0.375rem 0.875rem;
+  background: transparent;
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-sm);
+  font-size: 0.8125rem;
+  color: var(--color-text-secondary);
+  cursor: pointer;
+  text-decoration: none;
+  display: inline-flex;
+  align-items: center;
+  gap: 0.375rem;
+  transition: all 0.12s;
+}
+
+.outlookBtn:hover {
+  background: var(--color-bg);
+  color: var(--color-text);
+  text-decoration: none;
+}

packages/frontend/src/crm/contacts/EmailsTab.tsx

@@ -1,6 +1,8 @@
-import { useContactEmails, useIntegrations } from '../hooks';
+import { useState } from 'react';
+import { useContactEmails, useIntegrations, useCreateActivity } from '../hooks';
 import { integrationsApi } from '../api';
-import type { M365Email } from '../types';
+import type { M365Email, M365EmailAddress } from '../types';
+import styles from './EmailsTab.module.css';
 
 interface Props {
   contactId: string;
@@ -16,19 +18,194 @@ function formatEmailDate(iso: string): string {
   });
 }
 
+function formatEmailTime(iso: string): string {
+  const d = new Date(iso);
+  const now = new Date();
+  if (d.toDateString() === now.toDateString()) {
+    return d.toLocaleTimeString('de-DE', { hour: '2-digit', minute: '2-digit' });
+  }
+  return d.toLocaleDateString('de-DE', { day: '2-digit', month: '2-digit', year: 'numeric' });
+}
+
+function recipientsText(
+  recipients: Array<{ emailAddress: M365EmailAddress }>,
+): string {
+  return recipients
+    .map((r) => r.emailAddress.name ?? r.emailAddress.address ?? '—')
+    .join(', ');
+}
+
+type SaveState = 'idle' | 'saving' | 'saved' | 'error';
+
+/* ── Detail-Popup (Outlook-ähnlich) ───────────────────────────────────────── */
+
+function EmailDetailModal({
+  email,
+  contactId,
+  onClose,
+}: {
+  email: M365Email;
+  contactId: string;
+  onClose: () => void;
+}) {
+  const createActivity = useCreateActivity();
+  const [saveState, setSaveState] = useState<SaveState>('idle');
+
+  const fromName =
+    email.from?.emailAddress?.name ?? email.from?.emailAddress?.address ?? '—';
+  const toText = email.toRecipients?.length
+    ? recipientsText(email.toRecipients)
+    : '—';
+
+  async function handleSave() {
+    if (saveState === 'saved') return;
+    setSaveState('saving');
+    try {
+      await createActivity.mutateAsync({
+        contactId,
+        type: 'EMAIL',
+        subject: email.subject ?? '(kein Betreff)',
+        description: email.bodyPreview ?? undefined,
+        scheduledAt: email.receivedDateTime,
+        completedAt: email.receivedDateTime,
+      });
+      setSaveState('saved');
+    } catch {
+      setSaveState('error');
+    }
+  }
+
+  return (
+    <div className={styles.backdrop} onClick={onClose}>
+      <div className={styles.modal} onClick={(e) => e.stopPropagation()}>
+        {/* Header */}
+        <div className={styles.modalHeader}>
+          <div className={styles.modalHeaderLeft}>
+            <h2 className={styles.modalSubject}>{email.subject ?? '(kein Betreff)'}</h2>
+            {!email.isRead && (
+              <span className={styles.modalUnreadBadge}>Ungelesen</span>
+            )}
+          </div>
+          <button
+            type="button"
+            className={styles.modalClose}
+            onClick={onClose}
+            aria-label="Schließen"
+          >
+            ×
+          </button>
+        </div>
+
+        {/* Body */}
+        <div className={styles.modalBody}>
+          {/* Meta: Von / An / Datum / Anhang */}
+          <div className={styles.metaTable}>
+            <span className={styles.metaLabel}>Von</span>
+            <span className={styles.metaValue}>{fromName}</span>
+
+            <span className={styles.metaLabel}>An</span>
+            <span className={styles.metaValue}>{toText}</span>
+
+            <span className={styles.metaLabel}>Datum</span>
+            <span className={styles.metaValue}>{formatEmailDate(email.receivedDateTime)}</span>
+
+            {email.hasAttachments && (
+              <>
+                <span className={styles.metaLabel}>Anhang</span>
+                <span className={styles.metaValue}>📎 Anhänge vorhanden</span>
+              </>
+            )}
+          </div>
+
+          {/* Body-Vorschau */}
+          {email.bodyPreview ? (
+            <>
+              <div className={styles.bodyPreview}>{email.bodyPreview}</div>
+              <p className={styles.bodyHint}>
+                Vorschau — vollständige E-Mail in Outlook öffnen
+              </p>
+            </>
+          ) : (
+            <p className={styles.bodyHint}>Kein Vorschautext verfügbar</p>
+          )}
+
+          {/* In Kontakt speichern */}
+          <div className={styles.saveSection}>
+            <button
+              type="button"
+              className={`${styles.saveBtn}${saveState === 'saved' ? ` ${styles.saveBtnSuccess}` : ''}${saveState === 'error' ? ` ${styles.saveBtnError}` : ''}`}
+              onClick={handleSave}
+              disabled={saveState === 'saving' || saveState === 'saved'}
+            >
+              {saveState === 'idle' && '+ In Kontakt speichern'}
+              {saveState === 'saving' && 'Speichern…'}
+              {saveState === 'saved' && '✓ Gespeichert'}
+              {saveState === 'error' && '✗ Fehler – erneut versuchen'}
+            </button>
+            {saveState === 'saved' && (
+              <span className={styles.saveMsg}>
+                E-Mail als Aktivität gespeichert
+              </span>
+            )}
+          </div>
+        </div>
+
+        {/* Footer */}
+        <div className={styles.modalFooter}>
+          <span className={styles.modalFooterDate}>
+            {formatEmailDate(email.receivedDateTime)}
+          </span>
+          <a
+            href={email.webLink}
+            target="_blank"
+            rel="noopener noreferrer"
+            className={styles.outlookBtn}
+          >
+            <svg
+              width="13"
+              height="13"
+              viewBox="0 0 16 16"
+              fill="none"
+              stroke="currentColor"
+              strokeWidth="1.5"
+              strokeLinecap="round"
+              strokeLinejoin="round"
+            >
+              <path d="M6 2H2a1 1 0 00-1 1v10a1 1 0 001 1h12a1 1 0 001-1V8" />
+              <path d="M10 1h5v5" />
+              <path d="M6 10L15 1" />
+            </svg>
+            In Outlook öffnen
+          </a>
+        </div>
+      </div>
+    </div>
+  );
+}
+
+/* ── Hauptkomponente ──────────────────────────────────────────────────────── */
+
 export function EmailsTab({ contactId }: Props) {
   const { data: integrationsData } = useIntegrations();
-  const isConnected = integrationsData?.data?.some(
+  const isConnected =
-    (i) => i.provider === 'MICROSOFT_365' && i.connected,
+    (integrationsData?.data?.some(
-  ) ?? false;
+      (i) => i.provider === 'MICROSOFT_365' && i.connected,
+    ) ?? false);
 
   const { data, isLoading, error } = useContactEmails(contactId);
   const emails: M365Email[] = data?.data ?? [];
+  const [selectedEmail, setSelectedEmail] = useState<M365Email | null>(null);
 
   if (!isConnected) {
     return (
       <div style={{ padding: '1.5rem 0', textAlign: 'center' }}>
-        <p style={{ color: 'var(--color-text-muted)', fontSize: '0.9375rem', marginBottom: '1rem' }}>
+        <p
+          style={{
+            color: 'var(--color-text-muted)',
+            fontSize: '0.9375rem',
+            marginBottom: '1rem',
+          }}
+        >
           Verbinden Sie Microsoft 365, um E-Mails zu diesem Kontakt zu sehen.
         </p>
         <button
@@ -55,68 +232,99 @@ export function EmailsTab({ contactId }: Props) {
   }
 
   if (isLoading) {
-    return <p style={{ color: 'var(--color-text-muted)', fontSize: '0.875rem', padding: '1rem 0' }}>Laden…</p>;
+    return (
+      <p
+        style={{
+          color: 'var(--color-text-muted)',
+          fontSize: '0.875rem',
+          padding: '1rem 0',
+        }}
+      >
+        Laden…
+      </p>
+    );
   }
 
   if (error) {
-    return <p style={{ color: 'var(--color-error)', fontSize: '0.875rem', padding: '1rem 0' }}>E-Mails konnten nicht geladen werden.</p>;
+    return (
+      <p
+        style={{
+          color: 'var(--color-error)',
+          fontSize: '0.875rem',
+          padding: '1rem 0',
+        }}
+      >
+        E-Mails konnten nicht geladen werden.
+      </p>
+    );
   }
 
   if (emails.length === 0) {
-    return <p style={{ color: 'var(--color-text-muted)', fontSize: '0.875rem', padding: '1rem 0' }}>Keine E-Mails gefunden.</p>;
+    return (
+      <p
+        style={{
+          color: 'var(--color-text-muted)',
+          fontSize: '0.875rem',
+          padding: '1rem 0',
+        }}
+      >
+        Keine E-Mails gefunden.
+      </p>
+    );
   }
 
   return (
-    <div style={{ display: 'flex', flexDirection: 'column', gap: '0.5rem' }}>
+    <>
-      {emails.map((email) => (
+      <div className={styles.emailList}>
-        <a
+        {emails.map((email) => (
-          key={email.id}
+          <button
-          href={email.webLink}
+            key={email.id}
-          target="_blank"
+            type="button"
-          rel="noopener noreferrer"
+            className={`${styles.emailItem}${!email.isRead ? ` ${styles.emailItemUnread}` : ''}`}
-          style={{
+            onClick={() => setSelectedEmail(email)}
-            display: 'block',
+          >
-            padding: '0.75rem 1rem',
+            {!email.isRead ? (
-            background: email.isRead ? 'var(--color-bg-card)' : 'var(--color-bg-subtle, var(--color-bg-card))',
+              <span className={styles.unreadDot} aria-hidden="true" />
-            border: '1px solid var(--color-border)',
+            ) : (
-            borderRadius: 'var(--radius-sm)',
+              <span className={styles.readSpacer} />
-            textDecoration: 'none',
+            )}
-            borderLeft: email.isRead ? undefined : '3px solid var(--color-primary)',
+            <div className={styles.emailMeta}>
-          }}
+              <div className={styles.emailRow1}>
-        >
+                <span
-          <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'flex-start', gap: '0.5rem' }}>
+                  className={`${styles.emailSubject}${!email.isRead ? ` ${styles.emailSubjectUnread}` : ''}`}
-            <span style={{
+                >
-              fontSize: '0.875rem',
+                  {email.subject ?? '(kein Betreff)'}
-              fontWeight: email.isRead ? 400 : 600,
+                </span>
-              color: 'var(--color-text)',
+                <span className={styles.emailTime}>
-              flex: 1,
+                  {formatEmailTime(email.receivedDateTime)}
-              overflow: 'hidden',
+                </span>
-              textOverflow: 'ellipsis',
+              </div>
-              whiteSpace: 'nowrap',
+              <div className={styles.emailFrom}>
-            }}>
+                Von:{' '}
-              {email.subject || '(kein Betreff)'}
+                {email.from?.emailAddress?.name ??
-            </span>
+                  email.from?.emailAddress?.address ??
-            <span style={{ fontSize: '0.75rem', color: 'var(--color-text-muted)', flexShrink: 0 }}>
+                  '—'}
-              {formatEmailDate(email.receivedDateTime)}
+              </div>
-            </span>
+              {email.bodyPreview && (
-          </div>
+                <div className={styles.emailPreview}>{email.bodyPreview}</div>
-          <div style={{ fontSize: '0.8125rem', color: 'var(--color-text-muted)', marginTop: '0.25rem' }}>
+              )}
-            Von: {email.from?.emailAddress?.name ?? email.from?.emailAddress?.address ?? '—'}
-          </div>
-          {email.bodyPreview && (
-            <div style={{
-              fontSize: '0.8125rem',
-              color: 'var(--color-text-secondary)',
-              marginTop: '0.25rem',
-              overflow: 'hidden',
-              textOverflow: 'ellipsis',
-              whiteSpace: 'nowrap',
-            }}>
-              {email.bodyPreview}
             </div>
-          )}
+            {email.hasAttachments && (
-        </a>
+              <span className={styles.attachBadge} title="Anhänge vorhanden">
-      ))}
+                📎
-    </div>
+              </span>
+            )}
+          </button>
+        ))}
+      </div>
+
+      {selectedEmail !== null && (
+        <EmailDetailModal
+          email={selectedEmail}
+          contactId={contactId}
+          onClose={() => setSelectedEmail(null)}
+        />
+      )}
+    </>
   );
 }

packages/frontend/src/shell/DashboardPage.module.css

@@ -22,6 +22,7 @@
 
 .tabBar {
   display: flex;
+  align-items: stretch;
   gap: 0;
   border-bottom: 2px solid var(--color-border);
   margin-bottom: 1.75rem;
@@ -55,6 +56,102 @@
   min-height: 200px;
 }
 
+/* ── Profil-Bereich in der Tab-Leiste (rechts) ── */
+
+.tabBarProfile {
+  margin-left: auto;
+  display: flex;
+  align-items: center;
+  gap: 0.375rem;
+  padding: 0 0.75rem;
+  border-left: 1px solid var(--color-border);
+  background: var(--color-bg-card);
+  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
+  /* leicht farblich abgesetzt */
+  box-shadow: inset 0 -2px 0 var(--color-border);
+}
+
+.tabBarThemeGroup {
+  display: flex;
+  gap: 1px;
+  background: var(--color-bg);
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-sm);
+  padding: 2px;
+}
+
+.tabBarThemeBtn {
+  width: 24px;
+  height: 24px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: none;
+  border: none;
+  border-radius: 3px;
+  color: var(--color-text-muted);
+  font-size: 0.75rem;
+  cursor: pointer;
+  transition: all 0.15s;
+}
+
+.tabBarThemeBtn:hover {
+  color: var(--color-text);
+  background: var(--color-bg-card);
+}
+
+.tabBarThemeBtnActive {
+  background: var(--color-primary) !important;
+  color: white !important;
+}
+
+.tabBarUser {
+  display: flex;
+  align-items: center;
+  gap: 0.375rem;
+  padding: 0.1875rem 0.4375rem 0.1875rem 0.1875rem;
+  border-radius: var(--radius-sm);
+  border: 1px solid transparent;
+  cursor: pointer;
+  transition: all 0.15s;
+  text-decoration: none;
+}
+
+.tabBarUser:hover {
+  background: var(--color-bg);
+  border-color: var(--color-border);
+}
+
+.tabBarUserName {
+  font-size: 0.8125rem;
+  font-weight: 500;
+  color: var(--color-text);
+  white-space: nowrap;
+  max-width: 120px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.tabBarLogout {
+  width: 28px;
+  height: 28px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: none;
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-sm);
+  color: var(--color-text-muted);
+  cursor: pointer;
+  transition: all 0.15s;
+  flex-shrink: 0;
+}
+
+.tabBarLogout:hover {
+  background: var(--color-bg);
+  color: var(--color-text);
+}
+
 /* ── Home-Layout (Inhalt links + Agenda rechts) ── */
 
 .homeLayout {

packages/frontend/src/shell/DashboardPage.tsx

@@ -1,6 +1,8 @@
 import { useState, useEffect } from 'react';
-import { useLocation } from 'react-router-dom';
+import { useLocation, useNavigate } from 'react-router-dom';
 import { useAuth } from '../auth/AuthContext';
+import { UserAvatar } from '../components/UserAvatar';
+import { useTheme } from '../theme/ThemeContext';
 import { WeatherWidget } from '../components/WeatherWidget';
 import { AnalogClock } from '../components/AnalogClock';
 import { DashboardEmailTab } from './DashboardEmailTab';
@@ -688,11 +690,24 @@ function HomeTab({
 
 // ── Main ──────────────────────────────────────────────────────────────────────
 
+const THEME_OPTIONS_DASH = [
+  { value: 'light' as const, icon: '☀' },
+  { value: 'dark' as const, icon: '☾' },
+  { value: 'system' as const, icon: '⚙' },
+];
+
 export function DashboardPage() {
-  const { user } = useAuth();
+  const { user, logout } = useAuth();
   const location = useLocation();
+  const navigate = useNavigate();
+  const { mode, setMode } = useTheme();
   const [activeTab, setActiveTab] = useState<DashboardTab>('home');
 
+  const handleLogout = async () => {
+    await logout();
+    navigate('/login');
+  };
+
   // Immer auf Home-Tab springen wenn Dashboard-NavLink geklickt wird
   useEffect(() => {
     setActiveTab('home');
@@ -712,6 +727,69 @@ export function DashboardPage() {
             {tab.label}
           </button>
         ))}
+
+        {/* Profil-Bereich rechts in der Tab-Leiste */}
+        <div className={styles.tabBarProfile}>
+          {/* Theme-Schalter */}
+          <div className={styles.tabBarThemeGroup}>
+            {THEME_OPTIONS_DASH.map((opt) => (
+              <button
+                key={opt.value}
+                type="button"
+                className={`${styles.tabBarThemeBtn}${mode === opt.value ? ` ${styles.tabBarThemeBtnActive}` : ''}`}
+                onClick={() => setMode(opt.value)}
+                title={opt.value === 'light' ? 'Hell' : opt.value === 'dark' ? 'Dunkel' : 'System'}
+              >
+                {opt.icon}
+              </button>
+            ))}
+          </div>
+
+          {/* Benutzer (→ Profil) */}
+          <div
+            className={styles.tabBarUser}
+            onClick={() => navigate('/profile')}
+            role="button"
+            tabIndex={0}
+            onKeyDown={(e) => {
+              if (e.key === 'Enter' || e.key === ' ') navigate('/profile');
+            }}
+            title="Profil bearbeiten"
+          >
+            <UserAvatar
+              firstName={user?.firstName ?? ''}
+              lastName={user?.lastName ?? ''}
+              avatar={user?.avatar}
+              size={24}
+            />
+            <span className={styles.tabBarUserName}>
+              {user?.firstName} {user?.lastName}
+            </span>
+          </div>
+
+          {/* Abmelden */}
+          <button
+            type="button"
+            className={styles.tabBarLogout}
+            onClick={handleLogout}
+            title="Abmelden"
+          >
+            <svg
+              width="13"
+              height="13"
+              viewBox="0 0 16 16"
+              fill="none"
+              stroke="currentColor"
+              strokeWidth="1.5"
+              strokeLinecap="round"
+              strokeLinejoin="round"
+            >
+              <path d="M10 3h3a1 1 0 011 1v8a1 1 0 01-1 1h-3" />
+              <path d="M7 11l3-3-3-3" />
+              <path d="M10 8H3" />
+            </svg>
+          </button>
+        </div>
       </div>
 
       {/* Tab-Inhalt */}