diff --git a/core/admin.py b/core/admin.py
index 615ca03..d8867b2 100644
--- a/core/admin.py
+++ b/core/admin.py
@@ -1,5 +1,5 @@
 from django.contrib import admin
-from .models import ApiKey, Attachment, Item, Kanban, Tag, Team, TeamInvite, TeamMembership, UserPreference
+from .models import ApiKey, Attachment, Item, Kanban, Tag, Team, TeamInvite, TeamMembership, UserInvite, UserPreference
 
 
 class AttachmentInline(admin.TabularInline):
@@ -22,6 +22,7 @@ class ApiKeyAdmin(admin.ModelAdmin):
 
 
 admin.site.register(Tag)
+admin.site.register(UserInvite)
 admin.site.register(Team)
 admin.site.register(TeamMembership)
 admin.site.register(TeamInvite)
diff --git a/core/context_processors.py b/core/context_processors.py
new file mode 100644
index 0000000..3c883b5
--- /dev/null
+++ b/core/context_processors.py
@@ -0,0 +1,24 @@
+from django.urls import reverse
+from django.utils.translation import gettext as _
+
+from .models import UserPreference
+
+
+def overview_navigation(request):
+    if not request.user.is_authenticated:
+        return {'nav_overview_labels': [_('Notes'), _('Tasks'), _('Links')], 'nav_hidden_links': []}
+    prefs, _created = UserPreference.objects.get_or_create(user=request.user)
+    overview = []
+    hidden = []
+    task_shown = prefs.show_open_todos or prefs.show_done_todos
+    items = [
+        (task_shown, _('Tasks'), f"{reverse('index')}?kind=todo"),
+        (prefs.show_notes, _('Notes'), f"{reverse('index')}?kind=note"),
+        (prefs.show_links, _('Links'), f"{reverse('index')}?kind=link"),
+    ]
+    for shown, label, url in items:
+        if shown:
+            overview.append(label)
+        else:
+            hidden.append({'label': label, 'url': url})
+    return {'nav_overview_labels': overview or [_('Overview')], 'nav_hidden_links': hidden}
diff --git a/core/forms.py b/core/forms.py
index 283eb90..8d9db24 100644
--- a/core/forms.py
+++ b/core/forms.py
@@ -1,7 +1,8 @@
 from django import forms
+from django.contrib.auth.forms import UserCreationForm
 from django.contrib.auth.models import User
 from django.utils.translation import gettext_lazy as _
-from .models import ApiKey, Attachment, Item, Kanban, Tag, Team, TeamInvite, UserPreference
+from .models import ApiKey, Attachment, Item, Kanban, Tag, Team, TeamInvite, UserInvite, UserPreference
 
 
 class MultipleFileInput(forms.ClearableFileInput):
@@ -38,17 +39,12 @@ class EditItemForm(forms.ModelForm):
 
     class Meta:
         model = Item
-        fields = ['content', 'comment', 'visibility', 'due_at', 'url']
+        fields = ['content', 'comment', 'visibility', 'url']
         widgets = {
             'comment': forms.Textarea(attrs={'class': 'form-control', 'rows': 3}),
-            'due_at': forms.DateTimeInput(attrs={'type': 'datetime-local'}, format='%Y-%m-%dT%H:%M'),
             'url': forms.URLInput(attrs={'class': 'form-control', 'placeholder': 'URL'}),
         }
 
-    def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
-        self.fields['due_at'].input_formats = ['%Y-%m-%dT%H:%M']
-
 
 class UserSettingsForm(forms.ModelForm):
     class Meta:
@@ -60,16 +56,42 @@ class UserSettingsForm(forms.ModelForm):
 class UserPreferenceForm(forms.ModelForm):
     class Meta:
         model = UserPreference
-        fields = ['show_notes', 'show_open_todos', 'show_done_todos', 'show_links', 'show_journal', 'overview_lines']
+        fields = ['language', 'show_notes', 'show_open_todos', 'show_done_todos', 'show_links', 'due_first', 'overview_lines']
         labels = {
+            'language': _('Language'),
             'show_notes': _('Show notes'),
             'show_open_todos': _('Show open tasks'),
             'show_done_todos': _('Show completed tasks'),
             'show_links': _('Show links'),
-            'show_journal': _('Show journal'),
+            'due_first': _('Always show due items first'),
             'overview_lines': _('Lines in overview'),
         }
-        widgets = {'overview_lines': forms.NumberInput(attrs={'class': 'form-control', 'min': 1, 'max': 50})}
+        widgets = {
+            'language': forms.Select(attrs={'class': 'form-select'}),
+            'overview_lines': forms.NumberInput(attrs={'class': 'form-control', 'min': 1, 'max': 50}),
+        }
+
+
+class UserInviteForm(forms.ModelForm):
+    email = forms.EmailField(required=True, label=_('Email'), widget=forms.EmailInput(attrs={'class': 'form-control', 'placeholder': 'person@example.com', 'required': True}))
+
+    class Meta:
+        model = UserInvite
+        fields = ['email']
+
+
+class InviteRegistrationForm(UserCreationForm):
+    email = forms.EmailField(required=False, label=_('Email'), widget=forms.EmailInput(attrs={'class': 'form-control'}))
+
+    class Meta:
+        model = User
+        fields = ['username', 'email', 'password1', 'password2']
+        widgets = {'username': forms.TextInput(attrs={'class': 'form-control'})}
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        for name in ['password1', 'password2']:
+            self.fields[name].widget.attrs.update({'class': 'form-control'})
 
 
 class TeamForm(forms.ModelForm):
diff --git a/core/middleware.py b/core/middleware.py
new file mode 100644
index 0000000..2df8c6b
--- /dev/null
+++ b/core/middleware.py
@@ -0,0 +1,24 @@
+from django.utils import translation
+
+
+class UserLanguageMiddleware:
+    """Prefer the authenticated user's saved language over browser/cookie language."""
+
+    def __init__(self, get_response):
+        self.get_response = get_response
+
+    def __call__(self, request):
+        user = getattr(request, 'user', None)
+        language = ''
+        if user and user.is_authenticated:
+            try:
+                language = user.preferences.language
+            except Exception:
+                language = ''
+        if language:
+            translation.activate(language)
+            request.LANGUAGE_CODE = language
+        response = self.get_response(request)
+        if language:
+            response.setdefault('Content-Language', language)
+        return response
diff --git a/core/migrations/0012_userpreference_language.py b/core/migrations/0012_userpreference_language.py
new file mode 100644
index 0000000..53c6c50
--- /dev/null
+++ b/core/migrations/0012_userpreference_language.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.2.17 on 2026-08-23 13:03
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0011_alter_item_kanban_status_alter_item_kind_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='userpreference',
+            name='language',
+            field=models.CharField(blank=True, choices=[('', 'Browser default'), ('de', 'Deutsch'), ('en', 'English')], default='', max_length=10),
+        ),
+    ]
diff --git a/core/migrations/0013_userinvite.py b/core/migrations/0013_userinvite.py
new file mode 100644
index 0000000..10ff4f0
--- /dev/null
+++ b/core/migrations/0013_userinvite.py
@@ -0,0 +1,30 @@
+# Generated by Django 5.2.17 on 2026-08-23 13:53
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0012_userpreference_language'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='UserInvite',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('email', models.EmailField(blank=True, max_length=254)),
+                ('token', models.CharField(editable=False, max_length=80, unique=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('accepted_at', models.DateTimeField(blank=True, null=True)),
+                ('invited_by', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='sent_user_invites', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'ordering': ['-created_at'],
+            },
+        ),
+    ]
diff --git a/core/migrations/0014_alter_userinvite_email.py b/core/migrations/0014_alter_userinvite_email.py
new file mode 100644
index 0000000..8254ad6
--- /dev/null
+++ b/core/migrations/0014_alter_userinvite_email.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.2.17 on 2026-08-23 14:01
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0013_userinvite'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='userinvite',
+            name='email',
+            field=models.EmailField(max_length=254),
+        ),
+    ]
diff --git a/core/migrations/0015_userpreference_due_first.py b/core/migrations/0015_userpreference_due_first.py
new file mode 100644
index 0000000..baa0563
--- /dev/null
+++ b/core/migrations/0015_userpreference_due_first.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.2.17 on 2026-08-23 14:22
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0014_alter_userinvite_email'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='userpreference',
+            name='due_first',
+            field=models.BooleanField(default=True),
+        ),
+    ]
diff --git a/core/models.py b/core/models.py
index 07b77c2..628cf9f 100644
--- a/core/models.py
+++ b/core/models.py
@@ -3,6 +3,7 @@ import secrets
 from django.conf import settings
 from django.db import models
 from django.urls import reverse
+from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
 
 TAG_RE = re.compile(r'(?<!\w)#([\wäöüÄÖÜß-]+)')
@@ -19,6 +20,25 @@ class Tag(models.Model):
         return f'#{self.name}'
 
 
+class UserInvite(models.Model):
+    email = models.EmailField()
+    token = models.CharField(max_length=80, unique=True, editable=False)
+    invited_by = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='sent_user_invites')
+    created_at = models.DateTimeField(auto_now_add=True)
+    accepted_at = models.DateTimeField(blank=True, null=True)
+
+    class Meta:
+        ordering = ['-created_at']
+
+    def save(self, *args, **kwargs):
+        if not self.token:
+            self.token = secrets.token_urlsafe(32)
+        super().save(*args, **kwargs)
+
+    def __str__(self):
+        return f'Benutzereinladung {self.email}'
+
+
 class Team(models.Model):
     name = models.CharField(max_length=120)
     slug = models.SlugField(max_length=80, unique=True, allow_unicode=True, help_text='Team-Tag ohne #, z.B. my2dos')
@@ -112,6 +132,14 @@ class Item(models.Model):
     def get_absolute_url(self):
         return reverse('item_detail', args=[self.pk])
 
+    @property
+    def is_overdue(self):
+        return self.kind == self.Kind.TODO and not self.is_done and self.due_at and self.due_at < timezone.now()
+
+    @property
+    def is_due_today(self):
+        return self.kind == self.Kind.TODO and not self.is_done and self.due_at and timezone.localdate(self.due_at) == timezone.localdate()
+
     def sync_metadata(self):
         tag_names = {m.group(1).lower() for m in TAG_RE.finditer(self.content)}
         tags = [Tag.objects.get_or_create(name=name)[0] for name in tag_names]
@@ -136,11 +164,13 @@ class Kanban(models.Model):
 
 class UserPreference(models.Model):
     user = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='preferences')
+    language = models.CharField(max_length=10, blank=True, default='', choices=[('', _('Browser default')), ('de', 'Deutsch'), ('en', 'English')])
     show_notes = models.BooleanField(default=True)
     show_open_todos = models.BooleanField(default=True)
     show_done_todos = models.BooleanField(default=False)
     show_links = models.BooleanField(default=True)
     show_journal = models.BooleanField(default=False)
+    due_first = models.BooleanField(default=True)
     overview_lines = models.PositiveSmallIntegerField(default=4)
 
     def __str__(self):
diff --git a/core/templates/core/_edit_form.html b/core/templates/core/_edit_form.html
index 6416bed..3068429 100644
--- a/core/templates/core/_edit_form.html
+++ b/core/templates/core/_edit_form.html
@@ -20,7 +20,7 @@
         <option value="private" {% if item.visibility == 'private' %}selected{% endif %}>{% trans "Private" %}</option>
         <option value="public" {% if item.visibility == 'public' %}selected{% endif %}>{% trans "Public" %}</option>
       </select></div>
-      {% if item.kind == 'todo' %}<div class="col-md-4"><input class="form-control" type="datetime-local" name="due_at" value="{{ item.due_at|date:'Y-m-d\\TH:i' }}" title="{% trans 'Date/time for todo' %}"></div>{% endif %}
+      {% if item.kind == 'todo' %}<div class="col-md-3"><input class="form-control" type="date" name="due_date" value="{{ item.due_at|date:'Y-m-d' }}" title="{% trans 'Due date' %}"></div><div class="col-md-3"><input class="form-control" name="due_time" list="due-times-{{ item.id }}" value="{{ item.due_at|date:'H:i' }}" placeholder="{% trans 'Time optional' %}" title="{% trans 'Time optional' %}"><datalist id="due-times-{{ item.id }}"><option value="00:00"><option value="00:30"><option value="01:00"><option value="01:30"><option value="02:00"><option value="02:30"><option value="03:00"><option value="03:30"><option value="04:00"><option value="04:30"><option value="05:00"><option value="05:30"><option value="06:00"><option value="06:30"><option value="07:00"><option value="07:30"><option value="08:00"><option value="08:30"><option value="09:00"><option value="09:30"><option value="10:00"><option value="10:30"><option value="11:00"><option value="11:30"><option value="12:00"><option value="12:30"><option value="13:00"><option value="13:30"><option value="14:00"><option value="14:30"><option value="15:00"><option value="15:30"><option value="16:00"><option value="16:30"><option value="17:00"><option value="17:30"><option value="18:00"><option value="18:30"><option value="19:00"><option value="19:30"><option value="20:00"><option value="20:30"><option value="21:00"><option value="21:30"><option value="22:00"><option value="22:30"><option value="23:00"><option value="23:30"></datalist></div>{% endif %}
       <div class="col-md-4"><input class="form-control" type="file" name="files" multiple x-ref="fileInput" @change="previewFile($event)"></div>
     </div>
     {% if item.kind == 'link' %}<input class="form-control" type="url" name="url" value="{{ item.url }}" placeholder="URL">{% endif %}
diff --git a/core/templates/core/_item.html b/core/templates/core/_item.html
index e5fc7c3..f267785 100644
--- a/core/templates/core/_item.html
+++ b/core/templates/core/_item.html
@@ -1,5 +1,5 @@
 {% load markdown_extras i18n %}
-<article id="item-{{ item.id }}" class="card item-card shadow-sm {% if item.is_done %}done{% endif %}" ondblclick="if(!event.target.closest('a,button,input,textarea,select,label')) window.location.href='{{ item.get_absolute_url }}?next={{ request.get_full_path|urlencode }}'">
+<article id="item-{{ item.id }}" class="card item-card shadow-sm {% if item.is_done %}done{% elif item.is_overdue %}border-danger border-2{% elif item.is_due_today %}border-warning border-2{% endif %}" ondblclick="if(!event.target.closest('a,button,input,textarea,select,label')) window.location.href='{{ item.get_absolute_url }}?next={{ request.get_full_path|urlencode }}'">
   <div class="card-body">
     <div class="item-row d-flex justify-content-between align-items-start gap-3">
       <div class="item-main flex-grow-1 min-w-0" style="min-width:0">
@@ -14,7 +14,7 @@
           {% if overview_lines %}<button x-show="showMore" type="button" class="btn btn-link btn-sm p-0 mt-1" @click="expanded=!expanded" x-text="expanded ? '{% trans "show less" %}' : '{% trans "show more" %}'"></button>{% endif %}
         </div>
         {% if item.comment %}<div class="border-start ps-2 mt-2 small content text-muted">{{ item.comment|markdown }}</div>{% endif %}
-        {% if item.due_at %}<div class="small text-warning-emphasis mt-2">{% trans "Due:" %} {{ item.due_at|date:'d.m.Y H:i' }}</div>{% endif %}
+        {% if item.due_at %}<div class="small mt-2 {% if item.is_overdue %}text-danger fw-semibold{% elif item.is_due_today %}text-warning-emphasis fw-semibold{% else %}text-warning-emphasis{% endif %}">{% if item.is_overdue %}<span class="badge text-bg-danger me-1">{% trans "Overdue" %}</span>{% elif item.is_due_today %}<span class="badge text-bg-warning me-1">{% trans "Due today" %}</span>{% endif %}{% trans "Due:" %} {{ item.due_at|date:'d.m.Y H:i' }}</div>{% endif %}
         {% if item.url %}<a href="{{ item.url }}" target="_blank" rel="noopener">{{ item.url }}</a>{% endif %}
         {% if item.linked_items.all %}<div class="small mt-2">{% trans "Links:" %} {% for linked in item.linked_items.all %}<a href="{{ linked.get_absolute_url }}">#{{ linked.id }}</a> {% endfor %}</div>{% endif %}
         {% if item.attachments.all %}
diff --git a/core/templates/core/_tags.html b/core/templates/core/_tags.html
index b3f98dd..771d41b 100644
--- a/core/templates/core/_tags.html
+++ b/core/templates/core/_tags.html
@@ -1,10 +1,10 @@
 {% load querystring i18n %}
 <div id="tag-list" class="d-flex flex-wrap gap-2"{% if oob %} hx-swap-oob="true"{% endif %}>
   {% for tag in tags %}
-    {% if active_tag == tag.name %}
-      <a class="badge rounded-pill text-bg-dark text-decoration-none tag" href="{% query_replace tag=None %}">#{{ tag.name }} ×</a>
+    {% if tag.name in active_tags %}
+      <a class="badge rounded-pill text-bg-dark text-decoration-none tag tag-filter" data-tag="{{ tag.name }}" href="{% query_replace tag=None %}">#{{ tag.name }} ×</a>
     {% else %}
-      <a class="badge rounded-pill text-bg-light text-decoration-none tag" href="{% query_replace tag=tag.name %}">#{{ tag.name }}</a>
+      <a class="badge rounded-pill text-bg-light text-decoration-none tag tag-filter" data-tag="{{ tag.name }}" href="{% query_replace tag=tag.name %}">#{{ tag.name }}</a>
     {% endif %}
   {% empty %}<span class="text-muted small">{% trans "No tags yet" %}</span>{% endfor %}
 </div>
diff --git a/core/templates/core/accept_user_invite.html b/core/templates/core/accept_user_invite.html
new file mode 100644
index 0000000..3efa9b6
--- /dev/null
+++ b/core/templates/core/accept_user_invite.html
@@ -0,0 +1,23 @@
+{% extends 'core/base.html' %}
+{% load i18n %}
+{% block content %}
+<div class="row justify-content-center"><div class="col-md-6">
+  <div class="card item-card shadow-sm"><div class="card-body">
+    <h1 class="h4 mb-2">{% trans "Create account" %}</h1>
+    <p class="text-muted">{% trans "You were invited to my2dos. Create your account to continue." %}</p>
+    <form method="post" class="vstack gap-3">
+      {% csrf_token %}
+      {% if form.non_field_errors %}<div class="alert alert-danger">{{ form.non_field_errors }}</div>{% endif %}
+      {% for field in form %}
+        <div>
+          <label class="form-label">{{ field.label }}</label>
+          {{ field }}
+          {% if field.help_text %}<div class="form-text">{{ field.help_text }}</div>{% endif %}
+          {% for error in field.errors %}<div class="text-danger small">{{ error }}</div>{% endfor %}
+        </div>
+      {% endfor %}
+      <button class="btn btn-dark">{% trans "Create account" %}</button>
+    </form>
+  </div></div>
+</div></div>
+{% endblock %}
diff --git a/core/templates/core/base.html b/core/templates/core/base.html
index 6967eff..cb00f6d 100644
--- a/core/templates/core/base.html
+++ b/core/templates/core/base.html
@@ -17,11 +17,11 @@
   <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
   <script defer src="https://unpkg.com/alpinejs@3.x.x/dist/cdn.min.js"></script>
   <style>
-    body{background:#f7f7f4}.shell{max-width:960px}.item-card{border:0;border-radius:1rem}.content p:last-child{margin-bottom:0}.tag{font-size:.85rem}.slash-menu{position:absolute;z-index:20;top:100%;left:0;width:18rem}.done{opacity:.6}.done .content{text-decoration:line-through}.content img{max-width:100%;max-height:420px;border-radius:.5rem;border:1px solid #ddd;padding:.25rem;background:white}.overview-content{max-height:calc(var(--overview-lines) * 1.55em);overflow:hidden}.overview-content.expanded{max-height:none}.content{min-width:0;max-width:100%;overflow-wrap:anywhere}.content pre{position:relative;display:block;width:100%;max-width:100%;box-sizing:border-box;background:#1f2937;color:#f9fafb;border-radius:.6rem;padding:1rem;overflow-x:auto;overflow-y:auto;white-space:pre}.content pre code{display:block;color:inherit;white-space:pre;min-width:0}.copy-code{position:absolute;top:.4rem;right:.4rem;line-height:1}.mobile-create-buttons,.mobile-create-nav,.mobile-tags,.mobile-media,.mobile-tag-picker{display:none}.mobile-tag-popup{position:fixed;inset:auto .75rem 1rem .75rem;z-index:1050;max-height:55vh;overflow:auto}.mobile-tag-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.25);z-index:1040}.camera-input{max-width:13rem}@media (max-width: 767.98px){.shell{max-width:100%}main.container{padding-left:.75rem;padding-right:.75rem}.navbar .container{gap:.5rem}.navbar-brand{font-size:1rem}.navbar .d-flex{gap:.5rem!important}.item-card{border-radius:.75rem}.mobile-create-buttons,.mobile-create-nav,.mobile-tags,.mobile-media{display:flex!important}.mobile-tag-picker{display:block!important}.desktop-quick-create{display:none!important}.mobile-create-nav{position:sticky;top:57px;z-index:10;background:#f7f7f4;padding:.35rem 0}.desktop-file{display:none!important}.mobile-create-buttons{position:sticky;top:57px;z-index:10;background:#f7f7f4;padding:.35rem 0}.quick-actions{flex-wrap:wrap}.quick-actions .form-control{min-width:100%}.slash-menu{width:calc(100vw - 1.5rem)}textarea.form-control-lg{font-size:1rem}.btn{touch-action:manipulation}.item-row{flex-direction:column}.item-actions{align-self:flex-end}.item-main{width:100%;min-width:0}}
+    body{background:linear-gradient(180deg,#f8fafc 0,#f7f7f4 18rem);color:#1f2937}.shell{max-width:960px}.navbar{box-shadow:0 .35rem 1.25rem rgba(15,23,42,.06)}.navbar a{text-decoration:none}.nav-soft{color:#475569!important;font-weight:500;padding:.2rem .35rem;border-radius:.5rem}.nav-soft:hover{color:#0d6efd!important;background:#eff6ff}.user-menu-btn{min-width:9rem}.card{border:0}.item-card{border:0;border-radius:1.1rem;box-shadow:0 .45rem 1.4rem rgba(15,23,42,.07)!important}.filter-panel{padding:.25rem .15rem}.border{border-color:rgba(15,23,42,.10)!important}.text-bg-light{background:#f1f5f9!important;color:#475569!important}.btn{border-radius:.7rem}.form-control,.form-select{border-color:#e2e8f0;border-radius:.75rem}.content p:last-child{margin-bottom:0}.tag{font-size:.85rem}.slash-menu{position:absolute;z-index:20;top:100%;left:0;width:18rem}.done{opacity:.6}.done .content{text-decoration:line-through}.content img{max-width:100%;max-height:420px;border-radius:.5rem;border:1px solid #ddd;padding:.25rem;background:white}.overview-content{max-height:calc(var(--overview-lines) * 1.55em);overflow:hidden}.overview-content.expanded{max-height:none}.content{min-width:0;max-width:100%;overflow-wrap:anywhere}.content pre{position:relative;display:block;width:100%;max-width:100%;box-sizing:border-box;background:#1f2937;color:#f9fafb;border-radius:.6rem;padding:1rem;overflow-x:auto;overflow-y:auto;white-space:pre}.content pre code{display:block;color:inherit;white-space:pre;min-width:0}.copy-code{position:absolute;top:.4rem;right:.4rem;line-height:1}.mobile-create-buttons,.mobile-create-nav,.mobile-tags,.mobile-media,.mobile-tag-picker{display:none}.mobile-tag-popup{position:fixed;inset:auto .75rem 1rem .75rem;z-index:1050;max-height:55vh;overflow:auto}.mobile-tag-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.25);z-index:1040}.camera-input{max-width:13rem}@media (max-width: 767.98px){.shell{max-width:100%}main.container{padding-left:.75rem;padding-right:.75rem}.navbar .container{gap:.5rem}.navbar-brand{font-size:1rem}.navbar .d-flex{gap:.5rem!important}.item-card{border-radius:.75rem}.mobile-create-buttons,.mobile-create-nav,.mobile-tags,.mobile-media{display:flex!important}.mobile-tag-picker{display:block!important}.desktop-quick-create{display:none!important}.mobile-create-nav{position:sticky;top:57px;z-index:10;background:#f7f7f4;padding:.35rem 0}.desktop-file{display:none!important}.mobile-create-buttons{position:sticky;top:57px;z-index:10;background:#f7f7f4;padding:.35rem 0}.quick-actions{flex-wrap:wrap}.quick-actions .form-control{min-width:100%}.slash-menu{width:calc(100vw - 1.5rem)}textarea.form-control-lg{font-size:1rem}.btn{touch-action:manipulation}.item-row{flex-direction:column}.item-actions{align-self:flex-end}.item-main{width:100%;min-width:0}}
   </style>
 </head>
 <body>
-<nav class="navbar bg-white border-bottom sticky-top"><div class="container shell"><a class="navbar-brand fw-bold" href="/">my2dos</a><div class="d-flex align-items-center gap-3"><a class="small d-none d-sm-inline text-primary text-decoration-underline" href="/">{% trans "Notes · Tasks · Links" %}</a>{% if user.is_authenticated %}<a class="small" href="{% url 'journal' %}">{% trans "Journal" %}</a><a class="small" href="{% url 'kanban_list' %}">{% trans "Kanban" %}</a><a class="small" href="{% url 'settings' %}#teams">{% trans "Teams" %}</a><div class="dropdown"><button class="btn btn-sm btn-outline-secondary dropdown-toggle" data-bs-toggle="dropdown">{{ user.get_full_name|default:user.username }}</button><ul class="dropdown-menu dropdown-menu-end"><li><a class="dropdown-item" href="{% url 'settings' %}">{% trans "Settings" %}</a></li><li><button id="pwa-install" type="button" class="dropdown-item d-none">{% trans "Install app" %}</button></li>{% if user.is_staff %}<li><a class="dropdown-item" href="/admin/">Admin</a></li>{% endif %}<li><hr class="dropdown-divider"></li><li><form method="post" action="{% url 'logout' %}">{% csrf_token %}<button class="dropdown-item">{% trans "Logout" %}</button></form></li></ul></div>{% else %}<a class="btn btn-sm btn-dark" href="{% url 'login' %}">{% trans "Login" %}</a>{% endif %}<form action="{% url 'set_language' %}" method="post" class="d-flex align-items-center">{% csrf_token %}<input name="next" type="hidden" value="{{ request.get_full_path }}"><select name="language" class="form-select form-select-sm" onchange="this.form.submit()">{% get_current_language as LANGUAGE_CODE %}{% get_available_languages as LANGUAGES %}{% for code, name in LANGUAGES %}<option value="{{ code }}"{% if code == LANGUAGE_CODE %} selected{% endif %}>{{ name }}</option>{% endfor %}</select></form></div></div></nav>
+<nav class="navbar bg-white sticky-top"><div class="container shell"><a class="navbar-brand fw-bold" href="/">my2dos</a><div class="d-flex align-items-center gap-3"><span class="small d-none d-sm-inline"><a class="nav-soft" href="/">{% for label in nav_overview_labels %}{{ label }}{% if not forloop.last %} · {% endif %}{% endfor %}</a>{% for link in nav_hidden_links %}<a class="nav-soft ms-2" href="{{ link.url }}">{{ link.label }}</a>{% endfor %}</span>{% if user.is_authenticated %}<a class="small nav-soft" href="{% url 'journal' %}">{% trans "Journal" %}</a><a class="small nav-soft" href="{% url 'kanban_list' %}">{% trans "Kanban" %}</a><a class="small nav-soft" href="{% url 'team_list' %}">{% trans "Teams" %}</a><div class="dropdown"><button class="btn btn-sm btn-outline-secondary dropdown-toggle user-menu-btn" data-bs-toggle="dropdown">{{ user.get_full_name|default:user.username }}</button><ul class="dropdown-menu dropdown-menu-end"><li><a class="dropdown-item" href="{% url 'settings' %}">{% trans "Settings" %}</a></li><li><button id="pwa-install" type="button" class="dropdown-item d-none">{% trans "Install app" %}</button></li>{% if user.is_staff %}<li><a class="dropdown-item" href="/admin/">Admin</a></li>{% endif %}<li><hr class="dropdown-divider"></li><li><form method="post" action="{% url 'logout' %}">{% csrf_token %}<button class="dropdown-item">{% trans "Logout" %}</button></form></li></ul></div>{% else %}<a class="btn btn-sm btn-dark" href="{% url 'login' %}">{% trans "Login" %}</a>{% endif %}</div></div></nav>
 <main class="container shell py-4">{% for message in messages %}<div class="alert alert-{{ message.tags|default:'info' }}">{{ message }}</div>{% endfor %}{% block content %}{% endblock %}</main>
 <script>
 document.body.addEventListener('htmx:configRequest', e => {e.detail.headers['X-CSRFToken']='{{ csrf_token }}'});
@@ -45,6 +45,7 @@ window.quickComposer = window.quickComposer || function(tags, itemId=null){
 window.searchBox = function(tags){return{open:false,active:0,q:'',tags:tags||[],get filtered(){let q=this.q.toLowerCase();return this.tags.filter(t=>('#'+t).toLowerCase().startsWith(q))},onInput(e){this.q=e.target.value;this.open=this.q.startsWith('#')},onKeydown(e){if(!this.open)return;if(e.key==='ArrowDown'){e.preventDefault();this.active=(this.active+1)%Math.max(this.filtered.length,1)}else if(e.key==='ArrowUp'){e.preventDefault();this.active=(this.active-1+Math.max(this.filtered.length,1))%Math.max(this.filtered.length,1)}else if(e.key==='Enter'||e.key==='Tab'){if(this.filtered.length){e.preventDefault();this.select(this.filtered[this.active])}}else if(e.key==='Escape'){this.open=false}},select(tag){let url=new URL(window.location.href);url.searchParams.set('tag',tag);url.searchParams.delete('q');window.location.href=url.pathname+'?'+url.searchParams.toString()}}}
 function enhanceCodeBlocks(root=document){root.querySelectorAll('.content pre:not([data-copy])').forEach(pre=>{pre.dataset.copy='1';let btn=document.createElement('button');btn.type='button';btn.className='copy-code btn btn-sm btn-light';btn.title='Kopieren';btn.innerHTML='⧉';btn.addEventListener('click',()=>navigator.clipboard.writeText(pre.querySelector('code')?.innerText || pre.innerText).then(()=>{btn.innerHTML='✓';setTimeout(()=>btn.innerHTML='⧉',1200)}));pre.appendChild(btn)})}
 document.addEventListener('DOMContentLoaded',()=>enhanceCodeBlocks());document.body.addEventListener('htmx:afterSwap',e=>enhanceCodeBlocks(e.target));
+document.addEventListener('click', event => {let link=event.target.closest('a.tag-filter[data-tag]');if(!link||!(event.ctrlKey||event.metaKey))return;event.preventDefault();let url=new URL(window.location.href);let tag=link.dataset.tag;let tags=url.searchParams.getAll('tag');url.searchParams.delete('tag');if(tags.includes(tag)){tags=tags.filter(t=>t!==tag)}else{tags.push(tag)}tags.forEach(t=>url.searchParams.append('tag',t));window.location.href=url.pathname+(url.searchParams.toString()?'?'+url.searchParams.toString():'')});
 let deferredPwaPrompt=null;window.addEventListener('beforeinstallprompt',event=>{event.preventDefault();deferredPwaPrompt=event;document.getElementById('pwa-install')?.classList.remove('d-none')});document.addEventListener('click',async event=>{if(event.target?.id==='pwa-install'&&deferredPwaPrompt){deferredPwaPrompt.prompt();await deferredPwaPrompt.userChoice;deferredPwaPrompt=null;event.target.classList.add('d-none')}});
 if('serviceWorker' in navigator){window.addEventListener('load',()=>navigator.serviceWorker.register('/sw.js').catch(()=>{}));}
 </script>
diff --git a/core/templates/core/index.html b/core/templates/core/index.html
index 042570a..d13a9c1 100644
--- a/core/templates/core/index.html
+++ b/core/templates/core/index.html
@@ -9,17 +9,19 @@
 </div>
 <div class="row g-4">
   <aside class="col-lg-3 order-lg-2">
-    <div class="card item-card shadow-sm"><div class="card-body">
+    <div class="filter-panel">
       <div class="fw-semibold mb-2">{% trans "Filter" %}</div>
       <div class="d-flex flex-wrap gap-2 mb-3">
         <a class="btn btn-sm {% if active_kind == 'todo' %}btn-primary{% else %}btn-outline-primary{% endif %}" href="{% if active_kind == 'todo' %}{% query_replace kind=None %}{% else %}{% query_replace kind='todo' %}{% endif %}">Todos{% if active_kind == 'todo' %} ×{% endif %}</a>
         <a class="btn btn-sm {% if active_kind == 'note' %}btn-secondary{% else %}btn-outline-secondary{% endif %}" href="{% if active_kind == 'note' %}{% query_replace kind=None %}{% else %}{% query_replace kind='note' %}{% endif %}">{% trans "Notes" %}{% if active_kind == 'note' %} ×{% endif %}</a>
         <a class="btn btn-sm {% if active_kind == 'link' %}btn-success{% else %}btn-outline-success{% endif %}" href="{% if active_kind == 'link' %}{% query_replace kind=None %}{% else %}{% query_replace kind='link' %}{% endif %}">Links{% if active_kind == 'link' %} ×{% endif %}</a>
         <a class="btn btn-sm {% if active_status == 'open' %}btn-warning{% else %}btn-outline-warning{% endif %}" href="{% if active_status == 'open' %}{% query_replace status=None %}{% else %}{% query_replace status='open' %}{% endif %}">{% trans "Open" %}{% if active_status == 'open' %} ×{% endif %}</a>
+        <a class="btn btn-sm {% if active_status == 'due' %}btn-danger{% else %}btn-outline-danger{% endif %}" href="{% if active_status == 'due' %}{% query_replace status=None %}{% else %}{% query_replace status='due' %}{% endif %}">{% trans "Due" %} <span class="badge {% if active_status == 'due' %}text-bg-light{% else %}text-bg-danger{% endif %}">{{ due_count }}</span>{% if active_status == 'due' %} ×{% endif %}</a>
         <a class="btn btn-sm {% if active_status == 'archive' %}btn-dark{% else %}btn-outline-dark{% endif %}" href="{% if active_status == 'archive' %}{% query_replace status=None %}{% else %}{% query_replace status='archive' %}{% endif %}">{% trans "Archive" %}{% if active_status == 'archive' %} ×{% endif %}</a>
       </div>
       <form class="mb-3 position-relative" method="get" x-data="searchBox([{% for tag in tags %}'{{ tag.name|escapejs }}'{% if not forloop.last %},{% endif %}{% endfor %}])" x-on:keydown.window="if(($event.ctrlKey||$event.metaKey)&&$event.key==='f'){ $event.preventDefault(); $refs.search.focus(); $refs.search.select(); }">
-        {% if active_tag %}<input type="hidden" name="tag" value="{{ active_tag }}">{% endif %}
+        {% for tag_name in active_tags %}<input type="hidden" name="tag" value="{{ tag_name }}">{% endfor %}
+        {% if active_tag_mode == 'all' %}<input type="hidden" name="tag_mode" value="all">{% endif %}
         {% if active_kind %}<input type="hidden" name="kind" value="{{ active_kind }}">{% endif %}
         {% if active_status %}<input type="hidden" name="status" value="{{ active_status }}">{% endif %}
         <div class="input-group input-group-sm">
@@ -31,20 +33,29 @@
         </div>
       </form>
       <div class="d-none d-md-block">
-        <div class="fw-semibold mb-2">{% trans "Tags" %}</div>
+        <div class="d-flex justify-content-between align-items-center mb-2">
+          <div class="fw-semibold">{% trans "Tags" %}</div>
+          {% if active_tags|length > 1 %}
+            <div class="btn-group btn-group-sm" title="{% trans 'Tag mode' %}">
+              <a class="btn {% if active_tag_mode == 'any' %}btn-dark{% else %}btn-outline-secondary{% endif %}" href="{% query_replace tag_mode=None %}">{% trans "any" %}</a>
+              <a class="btn {% if active_tag_mode == 'all' %}btn-dark{% else %}btn-outline-secondary{% endif %}" href="{% query_replace tag_mode='all' %}">{% trans "all" %}</a>
+            </div>
+          {% endif %}
+        </div>
         <div hx-get="{% url 'tag_list' %}{% if request.GET.urlencode %}?{{ request.GET.urlencode }}{% endif %}" hx-trigger="tagsChanged from:body" hx-target="#tag-list" hx-swap="outerHTML">
           {% include 'core/_tags.html' %}
         </div>
       </div>
       <details class="d-md-none">
         <summary class="btn btn-sm btn-outline-secondary mb-2">{% trans "Show tags" %}</summary>
+        {% if active_tags|length > 1 %}<div class="btn-group btn-group-sm mb-2"><a class="btn {% if active_tag_mode == 'any' %}btn-dark{% else %}btn-outline-secondary{% endif %}" href="{% query_replace tag_mode=None %}">{% trans "any" %}</a><a class="btn {% if active_tag_mode == 'all' %}btn-dark{% else %}btn-outline-secondary{% endif %}" href="{% query_replace tag_mode='all' %}">{% trans "all" %}</a></div>{% endif %}
         <div class="d-flex flex-wrap gap-2">
           {% for tag in tags %}
-            {% if active_tag == tag.name %}<a class="badge rounded-pill text-bg-dark text-decoration-none tag" href="{% query_replace tag=None %}">#{{ tag.name }} ×</a>{% else %}<a class="badge rounded-pill text-bg-light text-decoration-none tag" href="{% query_replace tag=tag.name %}">#{{ tag.name }}</a>{% endif %}
+            {% if tag.name in active_tags %}<a class="badge rounded-pill text-bg-dark text-decoration-none tag tag-filter" data-tag="{{ tag.name }}" href="{% query_replace tag=None %}">#{{ tag.name }} ×</a>{% else %}<a class="badge rounded-pill text-bg-light text-decoration-none tag tag-filter" data-tag="{{ tag.name }}" href="{% query_replace tag=tag.name %}">#{{ tag.name }}</a>{% endif %}
           {% empty %}<span class="text-muted small">{% trans "No tags yet" %}</span>{% endfor %}
         </div>
       </details>
-    </div></div>
+    </div>
   </aside>
   <section class="col-lg-9">
     <form class="desktop-quick-create position-relative mb-4" method="post" enctype="multipart/form-data" hx-post="{{ request.get_full_path }}" hx-target="#items" hx-swap="afterbegin" x-data="quickComposer([{% for tag in tags %}'{{ tag.name|escapejs }}'{% if not forloop.last %},{% endif %}{% endfor %}])" x-on:htmx:after-request="if($event.detail.successful){text='';open=false;$el.reset()}">
diff --git a/core/templates/core/item_editor.html b/core/templates/core/item_editor.html
index af8e249..2e548d6 100644
--- a/core/templates/core/item_editor.html
+++ b/core/templates/core/item_editor.html
@@ -23,7 +23,7 @@
     </div>
     <div class="row g-2">
       <div class="col-md-4"><select class="form-select" name="visibility"><option value="private" {% if item.visibility == 'private' %}selected{% endif %}>{% trans "Private" %}</option><option value="public" {% if item.visibility == 'public' %}selected{% endif %}>{% trans "Public" %}</option></select></div>
-      {% if item.kind == 'todo' %}<div class="col-md-4"><input class="form-control" type="datetime-local" name="due_at" value="{{ item.due_at|date:'Y-m-d\\TH:i' }}"></div>{% endif %}
+      {% if item.kind == 'todo' %}<div class="col-md-3"><input class="form-control" type="date" name="due_date" value="{{ item.due_at|date:'Y-m-d' }}" title="{% trans 'Due date' %}"></div><div class="col-md-3"><input class="form-control" name="due_time" list="due-times-{{ item.id }}" value="{{ item.due_at|date:'H:i' }}" placeholder="{% trans 'Time optional' %}" title="{% trans 'Time optional' %}"><datalist id="due-times-{{ item.id }}"><option value="00:00"><option value="00:30"><option value="01:00"><option value="01:30"><option value="02:00"><option value="02:30"><option value="03:00"><option value="03:30"><option value="04:00"><option value="04:30"><option value="05:00"><option value="05:30"><option value="06:00"><option value="06:30"><option value="07:00"><option value="07:30"><option value="08:00"><option value="08:30"><option value="09:00"><option value="09:30"><option value="10:00"><option value="10:30"><option value="11:00"><option value="11:30"><option value="12:00"><option value="12:30"><option value="13:00"><option value="13:30"><option value="14:00"><option value="14:30"><option value="15:00"><option value="15:30"><option value="16:00"><option value="16:30"><option value="17:00"><option value="17:30"><option value="18:00"><option value="18:30"><option value="19:00"><option value="19:30"><option value="20:00"><option value="20:30"><option value="21:00"><option value="21:30"><option value="22:00"><option value="22:30"><option value="23:00"><option value="23:30"></datalist></div>{% endif %}
       <div class="col-md-4"><input class="form-control" type="file" name="files" multiple x-ref="fileInput" @change="previewFile($event)"></div>
     </div>
     {% if item.kind == 'link' %}<input class="form-control" type="url" name="url" value="{{ item.url }}" placeholder="URL">{% endif %}
diff --git a/core/templates/core/journal.html b/core/templates/core/journal.html
index cc50e48..8511170 100644
--- a/core/templates/core/journal.html
+++ b/core/templates/core/journal.html
@@ -3,18 +3,18 @@
 {% block content %}
 <div class="row g-4">
   <aside class="col-lg-3 order-lg-2">
-    <div class="card item-card shadow-sm"><div class="card-body">
+    <div class="filter-panel">
       <div class="d-flex justify-content-between align-items-center mb-2">
         <a class="btn btn-sm btn-outline-dark" href="?year={{ prev_year }}&month={{ prev_month }}">←</a>
         <strong>{{ month }}/{{ year }}</strong>
         <a class="btn btn-sm btn-outline-dark" href="?year={{ next_year }}&month={{ next_month }}">→</a>
       </div>
-      <table class="table table-sm text-center mb-3"><thead><tr><th>Mo</th><th>Di</th><th>Mi</th><th>Do</th><th>Fr</th><th>Sa</th><th>So</th></tr></thead><tbody>
+      <table class="table table-sm text-center mb-3 small"><thead><tr><th>Mo</th><th>Di</th><th>Mi</th><th>Do</th><th>Fr</th><th>Sa</th><th>So</th></tr></thead><tbody>
         {% for week in weeks %}<tr>{% for d in week %}<td>{% if d.day %}{% if d.has_entries %}<a class="btn btn-sm {% if selected_day == d.date %}btn-info{% else %}btn-outline-info{% endif %}" href="?day={{ d.date }}&year={{ year }}&month={{ month }}">{{ d.day }}</a>{% else %}<span class="small text-muted">{{ d.day }}</span>{% endif %}{% endif %}</td>{% endfor %}</tr>{% endfor %}
       </tbody></table>
       <div class="fw-semibold mb-2">{% trans "Tags" %}</div>
       {% include 'core/_tags.html' %}
-    </div></div>
+    </div>
   </aside>
   <section class="col-lg-9">
     <h1 class="h4 mb-3">Journal {{ selected_day }}</h1>
diff --git a/core/templates/core/settings.html b/core/templates/core/settings.html
index cb40508..a7b5ef4 100644
--- a/core/templates/core/settings.html
+++ b/core/templates/core/settings.html
@@ -2,60 +2,87 @@
 {% load i18n %}
 {% block content %}
 <a class="btn btn-sm btn-outline-secondary mb-3" href="/">← {% trans "back" %}</a>
-<div class="row g-4">
-  <section class="col-lg-6">
-    <div class="card item-card shadow-sm"><div class="card-body">
-      <h1 class="h4 mb-3">{% trans "User settings" %}</h1>
-      <form method="post" class="vstack gap-3">
+<div class="row g-4 align-items-start">
+  <aside class="col-lg-3">
+    <div class="card item-card shadow-sm sticky-lg-top" style="top:5rem"><div class="card-body">
+      <h1 class="h5 mb-3">{% trans "Settings" %}</h1>
+      <nav class="nav nav-pills flex-column gap-1">
+        <a class="nav-link" href="#profile">{% trans "Profile" %}</a>
+        <a class="nav-link" href="#preferences">{% trans "View & language" %}</a>
+        <a class="nav-link" href="#invites">{% trans "Invitations" %}</a>
+        <a class="nav-link" href="#api">{% trans "API keys" %}</a>
+      </nav>
+    </div></div>
+  </aside>
+
+  <section class="col-lg-9 vstack gap-4">
+    <div id="profile" class="card item-card shadow-sm"><div class="card-body">
+      <h2 class="h4 mb-1">{% trans "Profile" %}</h2>
+      <p class="text-muted small mb-3">{% trans "Manage your personal user data." %}</p>
+      <form method="post" class="row g-3">
         {% csrf_token %}<input type="hidden" name="action" value="profile">
-        <div><label class="form-label">{% trans "First name" %}</label>{{ profile_form.first_name }}</div>
-        <div><label class="form-label">{% trans "Last name" %}</label>{{ profile_form.last_name }}</div>
-        <div><label class="form-label">{% trans "Email" %}</label>{{ profile_form.email }}</div>
-        <button class="btn btn-dark">{% trans "Save" %}</button>
+        <div class="col-md-6"><label class="form-label">{% trans "First name" %}</label>{{ profile_form.first_name }}</div>
+        <div class="col-md-6"><label class="form-label">{% trans "Last name" %}</label>{{ profile_form.last_name }}</div>
+        <div class="col-12"><label class="form-label">{% trans "Email" %}</label>{{ profile_form.email }}</div>
+        <div class="col-12"><button class="btn btn-dark">{% trans "Save profile" %}</button></div>
       </form>
     </div></div>
-  </section>
-  <section class="col-lg-6">
-    <div class="card item-card shadow-sm mb-3"><div class="card-body">
-      <h2 class="h5 mb-3">{% trans "Default view" %}</h2>
-      <form method="post" class="vstack gap-2">
+
+    <div id="preferences" class="card item-card shadow-sm"><div class="card-body">
+      <h2 class="h4 mb-1">{% trans "View & language" %}</h2>
+      <p class="text-muted small mb-3">{% trans "Choose your language and configure the default overview." %}</p>
+      <form method="post" class="vstack gap-3">
         {% csrf_token %}<input type="hidden" name="action" value="preferences">
-        {% for field in preference_form %}
-          {% if field.field.widget.input_type == 'checkbox' %}
-            <label class="form-check"><input class="form-check-input" type="checkbox" name="{{ field.name }}" {% if field.value %}checked{% endif %}> <span class="form-check-label">{{ field.label }}</span></label>
-          {% else %}
-            <div><label class="form-label">{{ field.label }}</label>{{ field }}</div>
-          {% endif %}
-        {% endfor %}
-        <button class="btn btn-dark mt-2">{% trans "Save default view" %}</button>
+        <div class="row g-3">
+          {% for field in preference_form %}
+            {% if field.name == 'language' or field.name == 'overview_lines' %}
+              <div class="col-md-6"><label class="form-label">{{ field.label }}</label>{{ field }}</div>
+            {% endif %}
+          {% endfor %}
+          <div class="col-12">
+            <div class="form-label mb-2">{% trans "Sorting" %}</div>
+            <label class="form-check border rounded p-3"><input class="form-check-input" type="checkbox" name="due_first" {% if preference_form.due_first.value %}checked{% endif %}> <span class="form-check-label fw-semibold">{{ preference_form.due_first.label }}</span><div class="small text-muted">{% trans "Overdue and due-today tasks are sorted to the top of the overview." %}</div></label>
+          </div>
+        </div>
+        <div>
+          <div class="form-label mb-2">{% trans "Show in overview" %}</div>
+          <div class="row g-2">
+            {% for field in preference_form %}
+              {% if field.field.widget.input_type == 'checkbox' and field.name != 'due_first' %}
+                <div class="col-md-6"><label class="form-check border rounded p-2 ps-4 h-100"><input class="form-check-input" type="checkbox" name="{{ field.name }}" {% if field.value %}checked{% endif %}> <span class="form-check-label">{{ field.label }}</span></label></div>
+              {% endif %}
+            {% endfor %}
+          </div>
+        </div>
+        <div><button class="btn btn-dark">{% trans "Save view settings" %}</button></div>
       </form>
     </div></div>
-    <div class="card item-card shadow-sm mb-3"><div class="card-body">
-      <h2 id="teams" class="h5 mb-3">{% trans "Teams" %}</h2>
-      <form method="post" class="vstack gap-3 mb-3">
-        {% csrf_token %}<input type="hidden" name="action" value="team">
-        <div><label class="form-label">{% trans "Team name" %}</label>{{ team_form.name }}</div>
-        <div><label class="form-label">{% trans "Team tag" %}</label><div class="small text-muted mb-2">{% trans "This tag automatically turns items into team items, e.g. #my2dos." %}</div>{{ team_form.slug }}</div>
-        <button class="btn btn-dark">{% trans "Create team" %}</button>
+
+    <div id="invites" class="card item-card shadow-sm"><div class="card-body">
+      <h2 class="h4 mb-1">{% trans "User invitations" %}</h2>
+      <p class="text-muted small mb-3">{% trans "Invite new users during the test phase. Only people with an invitation link can register." %}</p>
+      <form method="post" class="row g-3 mb-4">
+        {% csrf_token %}<input type="hidden" name="action" value="userinvite">
+        <div class="col-md-8"><label class="form-label">{% trans "Email" %}</label>{{ user_invite_form.email }}</div>
+        <div class="col-md-4 d-flex align-items-end"><button class="btn btn-dark w-100">{% trans "Create invitation link" %}</button></div>
       </form>
       <div class="vstack gap-2">
-        {% for team in teams %}<a class="border rounded p-2 text-decoration-none" href="{% url 'team_detail' team.id %}"><strong>{{ team.name }}</strong> <span class="text-muted">#{{ team.slug }}</span></a>{% empty %}<span class="text-muted">{% trans "No teams yet." %}</span>{% endfor %}
+        {% for invite in user_invites %}<div id="invite-{{ invite.id }}" class="border rounded p-3"><div class="d-flex justify-content-between gap-2"><strong>{{ invite.email }}</strong><form method="post" action="{% url 'delete_user_invite' invite.id %}" hx-post="{% url 'delete_user_invite' invite.id %}" hx-target="#invite-{{ invite.id }}" hx-swap="outerHTML">{% csrf_token %}<button class="btn btn-sm btn-outline-danger">{% trans "Delete" %}</button></form></div><code class="small user-select-all">{{ request.scheme }}://{{ request.get_host }}{% url 'accept_user_invite' invite.token %}</code></div>{% empty %}<span class="text-muted">{% trans "No open invitations." %}</span>{% endfor %}
       </div>
     </div></div>
-    <div class="card item-card shadow-sm mb-3"><div class="card-body">
-      <h2 class="h5 mb-3">{% trans "Create API key" %}</h2>
-      <form method="post" class="vstack gap-3">
+
+    <div id="api" class="card item-card shadow-sm"><div class="card-body">
+      <h2 class="h4 mb-1">{% trans "API keys" %}</h2>
+      <p class="text-muted small mb-3">{% trans "Create API keys for integrations and optionally restrict them to tags." %}</p>
+      <form method="post" class="vstack gap-3 mb-4">
         {% csrf_token %}<input type="hidden" name="action" value="apikey">
         <div><label class="form-label">{% trans "Name" %}</label>{{ key_form.name }}</div>
         <div><label class="form-label">{% trans "Restrict to tags" %}</label><div class="small text-muted mb-2">{% trans "No selection = access to all own items." %}</div>{{ key_form.tags }}</div>
-        <button class="btn btn-dark">{% trans "Generate API key" %}</button>
+        <button class="btn btn-dark align-self-start">{% trans "Generate API key" %}</button>
       </form>
-    </div></div>
-    <div class="card item-card shadow-sm"><div class="card-body">
-      <h2 class="h5 mb-3">{% trans "API keys" %}</h2>
       <div class="vstack gap-2">
         {% for key in api_keys %}
-          <div class="border rounded p-2">
+          <div class="border rounded p-3">
             <div class="d-flex justify-content-between gap-2"><strong>{{ key.name }}</strong><form method="post" action="{% url 'delete_api_key' key.id %}">{% csrf_token %}<button class="btn btn-sm btn-outline-danger">{% trans "Delete" %}</button></form></div>
             <code class="small user-select-all">{{ key.token }}</code>
             <div class="small text-muted">{% trans "Tags" %}: {% for tag in key.tags.all %}#{{ tag.name }} {% empty %}{% trans "all" %}{% endfor %}</div>
diff --git a/core/templates/core/team_detail.html b/core/templates/core/team_detail.html
index 2fdeb66..87c3740 100644
--- a/core/templates/core/team_detail.html
+++ b/core/templates/core/team_detail.html
@@ -1,7 +1,7 @@
 {% extends 'core/base.html' %}
 {% load i18n %}
 {% block content %}
-<a class="btn btn-sm btn-outline-secondary mb-3" href="{% url 'settings' %}">← {% trans "Settings" %}</a>
+<a class="btn btn-sm btn-outline-secondary mb-3" href="{% url 'team_list' %}">← {% trans "Teams" %}</a>
 <div class="d-flex justify-content-between align-items-start gap-3 mb-3">
   <div>
     <h1 class="h3 mb-1">{% trans "Team" %} {{ team.name }}</h1>
diff --git a/core/templates/core/team_list.html b/core/templates/core/team_list.html
new file mode 100644
index 0000000..cc944eb
--- /dev/null
+++ b/core/templates/core/team_list.html
@@ -0,0 +1,56 @@
+{% extends 'core/base.html' %}
+{% load i18n %}
+{% block content %}
+<div class="d-flex justify-content-between align-items-center mb-3">
+  <div>
+    <h1 class="h3 mb-1">{% trans "Teams" %}</h1>
+    <div class="text-muted">{% trans "All teams you belong to." %}</div>
+  </div>
+  <a class="btn btn-sm btn-outline-secondary" href="/">← {% trans "back" %}</a>
+</div>
+
+<div class="row g-4">
+  <section class="col-lg-4 order-lg-2">
+    <div class="card item-card shadow-sm"><div class="card-body">
+      <h2 class="h5 mb-3">{% trans "Create team" %}</h2>
+      <form method="post" class="vstack gap-3">
+        {% csrf_token %}
+        <div><label class="form-label">{% trans "Team name" %}</label>{{ team_form.name }}</div>
+        <div><label class="form-label">{% trans "Team tag" %}</label>{{ team_form.slug }}<div class="small text-muted mt-1">{% trans "This tag automatically turns items into team items, e.g. #my2dos." %}</div></div>
+        <button class="btn btn-dark">{% trans "Create team" %}</button>
+      </form>
+    </div></div>
+  </section>
+
+  <section class="col-lg-8">
+    <div class="vstack gap-3">
+      {% for s in stats %}
+        <article class="card item-card shadow-sm"><div class="card-body">
+          <div class="d-flex justify-content-between align-items-start gap-3 mb-2">
+            <div>
+              <h2 class="h5 mb-1"><a class="text-decoration-none" href="{% url 'team_detail' s.team.id %}">{{ s.team.name }}</a></h2>
+              <div class="small text-muted">#{{ s.team.slug }} · {{ s.members_count }} {% trans "members" %}</div>
+            </div>
+            <a class="btn btn-sm btn-outline-primary" href="{% url 'team_detail' s.team.id %}">{% trans "Open team" %}</a>
+          </div>
+          <div class="d-flex flex-wrap gap-2 mb-3">
+            <span class="badge text-bg-light">{{ s.items_count }} {% trans "items" %}</span>
+            <span class="badge text-bg-warning">{{ s.open_todos_count }} {% trans "open tasks" %}</span>
+          </div>
+          <div class="vstack gap-2">
+            {% for item in s.recent_items %}
+              <a class="border rounded p-2 text-decoration-none text-dark" href="{{ item.get_absolute_url }}">
+                <span class="badge text-bg-light me-1">{{ item.get_kind_display }}</span>{{ item.content|truncatechars:120 }}
+              </a>
+            {% empty %}
+              <div class="text-muted small">{% trans "No team items yet." %}</div>
+            {% endfor %}
+          </div>
+        </div></article>
+      {% empty %}
+        <div class="card item-card shadow-sm"><div class="card-body text-muted">{% trans "You are not a member of any team yet." %}</div></div>
+      {% endfor %}
+    </div>
+  </section>
+</div>
+{% endblock %}
diff --git a/core/urls.py b/core/urls.py
index f9e5702..698caa1 100644
--- a/core/urls.py
+++ b/core/urls.py
@@ -6,13 +6,17 @@ urlpatterns = [
     path('', views.index, name='index'),
     path('login/', auth_views.LoginView.as_view(template_name='core/login.html'), name='login'),
     path('logout/', auth_views.LogoutView.as_view(), name='logout'),
+    path('invite/<str:token>/', views.accept_user_invite, name='accept_user_invite'),
     path('new/', views.new_item, name='new_item'),
     path('journal/', views.journal, name='journal'),
     path('kanban/', views.kanban_list, name='kanban_list'),
     path('kanban/<int:pk>/', views.kanban_detail, name='kanban_detail'),
     path('kanban/<int:pk>/move/<int:item_pk>/', views.kanban_move, name='kanban_move'),
+    path('language/', views.set_user_language, name='set_user_language'),
     path('settings/', views.settings_view, name='settings'),
     path('settings/api-keys/<int:pk>/delete/', views.delete_api_key, name='delete_api_key'),
+    path('settings/invites/<int:pk>/delete/', views.delete_user_invite, name='delete_user_invite'),
+    path('teams/', views.team_list, name='team_list'),
     path('teams/<int:pk>/', views.team_detail, name='team_detail'),
     path('teams/invite/<str:token>/', views.team_accept_invite, name='team_accept_invite'),
     path('items/<int:pk>/', views.item_detail, name='item_detail'),
diff --git a/core/views.py b/core/views.py
index 1662df4..9019b6c 100644
--- a/core/views.py
+++ b/core/views.py
@@ -2,21 +2,24 @@ import json
 import re
 from functools import wraps
 from calendar import Calendar
-from datetime import date
+from datetime import date, datetime, time
 from html import unescape
 from urllib.request import Request, urlopen
+from django.conf import settings
 from django.contrib import messages
+from django.contrib.auth import login
 from django.contrib.auth.decorators import login_required
-from django.db.models import Q
+from django.db.models import Case, IntegerField, Q, Value, When
 from django.http import HttpResponse, JsonResponse
 from django.urls import reverse
 from django.utils import timezone
+from django.utils import translation
 from django.utils.translation import gettext as _
 from django.shortcuts import get_object_or_404, redirect, render
 from django.views.decorators.csrf import csrf_exempt
 from django.views.decorators.http import require_http_methods, require_POST
-from .forms import ApiKeyForm, EditItemForm, KanbanForm, QuickItemForm, TeamForm, TeamInviteForm, UserPreferenceForm, UserSettingsForm
-from .models import ApiKey, Attachment, Item, Kanban, Tag, Team, TeamInvite, TeamMembership, UserPreference
+from .forms import ApiKeyForm, EditItemForm, InviteRegistrationForm, KanbanForm, QuickItemForm, TeamForm, TeamInviteForm, UserInviteForm, UserPreferenceForm, UserSettingsForm
+from .models import ApiKey, Attachment, Item, Kanban, Tag, Team, TeamInvite, TeamMembership, UserInvite, UserPreference
 
 COMMAND_RE = re.compile(r'/(todo|note|link|journal|public|private)\b', re.I)
 URL_RE = re.compile(r'https?://\S+')
@@ -51,6 +54,19 @@ def parse_quick_content(raw):
     return kind, visibility, content, url
 
 
+def parse_due_at_from_post(post):
+    due_date = (post.get('due_date') or '').strip()
+    due_time = (post.get('due_time') or '').strip()
+    if not due_date:
+        return None
+    try:
+        parsed_date = date.fromisoformat(due_date)
+        parsed_time = time.fromisoformat(due_time) if due_time else time(23, 59)
+        return timezone.make_aware(datetime.combine(parsed_date, parsed_time))
+    except ValueError:
+        return None
+
+
 def attach_files_and_replace_tokens(item, files):
     replacements = {}
     for file in files:
@@ -154,7 +170,9 @@ def index(request):
                 response['HX-Trigger'] = 'tagsChanged'
                 return response
             return redirect('index')
-    tag = request.GET.get('tag')
+    active_tags = [t.strip().lower() for t in request.GET.getlist('tag') if t.strip()]
+    active_tag_mode = 'all' if request.GET.get('tag_mode') == 'all' else 'any'
+    tag = active_tags[0] if active_tags else None
     kind = request.GET.get('kind')
     status = request.GET.get('status')
     day = request.GET.get('day')
@@ -165,14 +183,18 @@ def index(request):
         query.pop('q', None)
         return redirect(f'{request.path}?{query.urlencode()}')
     items = visible_items(request.user)
+    prefs, created = UserPreference.objects.get_or_create(user=request.user)
     applied_preferences = False
-    if tag:
-        items = items.filter(tags__name=tag)
+    if active_tags:
+        if active_tag_mode == 'all':
+            for tag_name in active_tags:
+                items = items.filter(tags__name=tag_name)
+        else:
+            items = items.filter(tags__name__in=active_tags).distinct()
     if kind in dict(Item.Kind.choices):
         items = items.filter(kind=kind)
     elif not any([tag, status, q, day]):
         applied_preferences = True
-        prefs, _ = UserPreference.objects.get_or_create(user=request.user)
         type_filter = Q()
         if prefs.show_notes:
             type_filter |= Q(kind=Item.Kind.NOTE)
@@ -189,15 +211,24 @@ def index(request):
         items = items.filter(created_at__date=day)
     if status == 'open':
         items = items.filter(kind=Item.Kind.TODO, is_done=False)
+    elif status == 'due':
+        today_end = timezone.make_aware(datetime.combine(timezone.localdate(), time(23, 59, 59)))
+        items = items.filter(kind=Item.Kind.TODO, is_done=False, due_at__lte=today_end).order_by('due_at', '-created_at')
     elif status == 'archive':
         items = items.filter(kind=Item.Kind.TODO, is_done=True)
     elif not applied_preferences:
         items = items.exclude(kind=Item.Kind.TODO, is_done=True)
     if q:
         items = items.filter(Q(content__icontains=q) | Q(url__icontains=q) | Q(tags__name__icontains=q)).distinct()
-    prefs, _ = UserPreference.objects.get_or_create(user=request.user)
+    today_end = timezone.make_aware(datetime.combine(timezone.localdate(), time(23, 59, 59)))
+    due_count = items.filter(kind=Item.Kind.TODO, is_done=False, due_at__lte=today_end).count()
+    if prefs.due_first and status != 'archive':
+        items = items.annotate(due_rank=Case(
+            When(kind=Item.Kind.TODO, is_done=False, due_at__lte=today_end, then=Value(0)),
+            default=Value(1), output_field=IntegerField(),
+        )).order_by('due_rank', 'due_at', '-created_at')
     return render(request, 'core/index.html', {
-        'form': QuickItemForm(), 'items': items, 'tags': Tag.objects.all(), 'active_tag': tag, 'active_kind': kind, 'active_status': status, 'active_day': day, 'q': q, 'overview_lines': prefs.overview_lines,
+        'form': QuickItemForm(), 'items': items, 'tags': Tag.objects.all(), 'active_tag': tag, 'active_tags': active_tags, 'active_tag_mode': active_tag_mode, 'active_kind': kind, 'active_status': status, 'active_day': day, 'q': q, 'due_count': due_count, 'overview_lines': prefs.overview_lines,
     })
 
 
@@ -254,13 +285,32 @@ def journal(request):
     weeks = [[{'day': d, 'date': date(year, month, d).isoformat() if d else '', 'has_entries': d and date(year, month, d) in activity_dates} for d in week] for week in Calendar(firstweekday=0).monthdayscalendar(year, month)]
     prev_month, prev_year = (12, year - 1) if month == 1 else (month - 1, year)
     next_month, next_year = (1, year + 1) if month == 12 else (month + 1, year)
-    prefs, _ = UserPreference.objects.get_or_create(user=request.user)
+    prefs, created = UserPreference.objects.get_or_create(user=request.user)
     return render(request, 'core/journal.html', {
         'form': QuickItemForm(), 'items': items, 'tags': Tag.objects.all(), 'weeks': weeks, 'year': year, 'month': month, 'selected_day': selected_day,
         'prev_year': prev_year, 'prev_month': prev_month, 'next_year': next_year, 'next_month': next_month, 'overview_lines': prefs.overview_lines,
     })
 
 
+@require_POST
+def set_user_language(request):
+    language = request.POST.get('language')
+    next_url = request.POST.get('next') or '/'
+    if language not in {'de', 'en', ''}:
+        language = ''
+    if request.user.is_authenticated:
+        prefs, created = UserPreference.objects.get_or_create(user=request.user)
+        prefs.language = language
+        prefs.save(update_fields=['language'])
+    response = redirect(next_url)
+    if language:
+        translation.activate(language)
+        response.set_cookie(settings.LANGUAGE_COOKIE_NAME, language)
+    else:
+        response.delete_cookie(settings.LANGUAGE_COOKIE_NAME)
+    return response
+
+
 @login_required
 def settings_view(request):
     if request.method == 'POST':
@@ -271,7 +321,7 @@ def settings_view(request):
                 messages.success(request, _('Settings saved.'))
                 return redirect('settings')
         elif request.POST.get('action') == 'preferences':
-            prefs, _ = UserPreference.objects.get_or_create(user=request.user)
+            prefs, created = UserPreference.objects.get_or_create(user=request.user)
             pref_form = UserPreferenceForm(request.POST, instance=prefs)
             if pref_form.is_valid():
                 pref_form.save()
@@ -286,24 +336,22 @@ def settings_view(request):
                 key_form.save_m2m()
                 messages.success(request, _('API key created: %(token)s') % {'token': api_key.token})
                 return redirect('settings')
-        elif request.POST.get('action') == 'team':
-            team_form = TeamForm(request.POST)
-            if team_form.is_valid():
-                team = team_form.save(commit=False)
-                team.owner = request.user
-                team.save()
-                TeamMembership.objects.create(team=team, user=request.user, role=TeamMembership.Role.OWNER)
-                Tag.objects.get_or_create(name=team.slug)
-                messages.success(request, _('Team %(team)s created. Use #%(slug)s for team items.') % {'team': team.name, 'slug': team.slug})
-                return redirect('team_detail', pk=team.pk)
-    prefs, _ = UserPreference.objects.get_or_create(user=request.user)
+        elif request.POST.get('action') == 'userinvite':
+            invite_form = UserInviteForm(request.POST)
+            if invite_form.is_valid():
+                invite = invite_form.save(commit=False)
+                invite.invited_by = request.user
+                invite.save()
+                messages.success(request, _('Invitation link created: %(url)s') % {'url': request.build_absolute_uri(reverse("accept_user_invite", args=[invite.token]))})
+                return redirect('settings')
+    prefs, created = UserPreference.objects.get_or_create(user=request.user)
     return render(request, 'core/settings.html', {
         'profile_form': UserSettingsForm(instance=request.user),
         'preference_form': UserPreferenceForm(instance=prefs),
         'key_form': ApiKeyForm(),
-        'team_form': TeamForm(),
+        'user_invite_form': UserInviteForm(),
+        'user_invites': request.user.sent_user_invites.filter(accepted_at__isnull=True),
         'api_keys': request.user.api_keys.prefetch_related('tags'),
-        'teams': Team.objects.filter(memberships__user=request.user).distinct(),
     })
 
 
@@ -315,6 +363,68 @@ def delete_api_key(request, pk):
     return redirect('settings')
 
 
+@login_required
+@require_POST
+def delete_user_invite(request, pk):
+    invite = get_object_or_404(UserInvite, pk=pk, invited_by=request.user, accepted_at__isnull=True)
+    invite.delete()
+    if request.headers.get('HX-Request'):
+        return HttpResponse('')
+    messages.success(request, _('Invitation deleted.'))
+    return redirect('settings')
+
+
+def accept_user_invite(request, token):
+    invite = get_object_or_404(UserInvite, token=token, accepted_at__isnull=True)
+    if request.user.is_authenticated:
+        invite.accepted_at = timezone.now()
+        invite.save(update_fields=['accepted_at'])
+        messages.success(request, _('Invitation accepted.'))
+        return redirect('index')
+    if request.method == 'POST':
+        form = InviteRegistrationForm(request.POST)
+        if form.is_valid():
+            user = form.save(commit=False)
+            if invite.email and not user.email:
+                user.email = invite.email
+            user.save()
+            invite.accepted_at = timezone.now()
+            invite.save(update_fields=['accepted_at'])
+            login(request, user)
+            messages.success(request, _('Welcome to my2dos.'))
+            return redirect('index')
+    else:
+        form = InviteRegistrationForm(initial={'email': invite.email})
+    return render(request, 'core/accept_user_invite.html', {'invite': invite, 'form': form})
+
+
+@login_required
+def team_list(request):
+    if request.method == 'POST':
+        team_form = TeamForm(request.POST)
+        if team_form.is_valid():
+            team = team_form.save(commit=False)
+            team.owner = request.user
+            team.save()
+            TeamMembership.objects.create(team=team, user=request.user, role=TeamMembership.Role.OWNER)
+            Tag.objects.get_or_create(name=team.slug)
+            messages.success(request, _('Team %(team)s created. Use #%(slug)s for team items.') % {'team': team.name, 'slug': team.slug})
+            return redirect('team_detail', pk=team.pk)
+    teams = Team.objects.filter(memberships__user=request.user).distinct().prefetch_related('memberships__user')
+    stats = []
+    base_items = visible_items(request.user)
+    for team in teams:
+        team_items = base_items.filter(team=team)
+        stats.append({
+            'team': team,
+            'members_count': team.memberships.count(),
+            'items_count': team_items.count(),
+            'open_todos_count': team_items.filter(kind=Item.Kind.TODO, is_done=False).count(),
+            'recent_items': team_items[:3],
+        })
+    return render(request, 'core/team_list.html', {'stats': stats, 'team_form': TeamForm(), 'overview_lines': request.user.preferences.overview_lines if hasattr(request.user, 'preferences') else 4})
+
+
 @login_required
 def team_detail(request, pk):
     membership = get_object_or_404(TeamMembership.objects.select_related('team'), team_id=pk, user=request.user)
@@ -384,7 +494,11 @@ def edit_item(request, pk):
     if request.method == 'POST':
         form = EditItemForm(request.POST, request.FILES, instance=item)
         if form.is_valid():
-            item = form.save()
+            item = form.save(commit=False)
+            if item.kind == Item.Kind.TODO:
+                item.due_at = parse_due_at_from_post(request.POST)
+            item.save()
+            form.save_m2m()
             attach_files_and_replace_tokens(item, request.FILES.getlist('files'))
             item.sync_metadata()
             apply_team_from_tags(item, request.user, force_private=item.visibility == Item.Visibility.PRIVATE)
@@ -403,7 +517,11 @@ def item_editor(request, pk):
     if request.method == 'POST':
         form = EditItemForm(request.POST, request.FILES, instance=item)
         if form.is_valid():
-            item = form.save()
+            item = form.save(commit=False)
+            if item.kind == Item.Kind.TODO:
+                item.due_at = parse_due_at_from_post(request.POST)
+            item.save()
+            form.save_m2m()
             attach_files_and_replace_tokens(item, request.FILES.getlist('files'))
             item.sync_metadata()
             apply_team_from_tags(item, request.user, force_private=item.visibility == Item.Visibility.PRIVATE)
@@ -468,7 +586,9 @@ def kanban_move(request, pk, item_pk):
 
 @login_required
 def tag_list(request):
-    return render(request, 'core/_tags.html', {'tags': Tag.objects.all(), 'active_tag': request.GET.get('tag')})
+    active_tags = [t.strip().lower() for t in request.GET.getlist('tag') if t.strip()]
+    active_tag_mode = 'all' if request.GET.get('tag_mode') == 'all' else 'any'
+    return render(request, 'core/_tags.html', {'tags': Tag.objects.all(), 'active_tag': active_tags[0] if active_tags else None, 'active_tags': active_tags, 'active_tag_mode': active_tag_mode})
 
 
 @login_required
diff --git a/locale/de/LC_MESSAGES/django.po b/locale/de/LC_MESSAGES/django.po
index 694b1b4..5b9b2be 100644
--- a/locale/de/LC_MESSAGES/django.po
+++ b/locale/de/LC_MESSAGES/django.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-08-23 14:50+0200\n"
+"POT-Creation-Date: 2026-08-23 16:56+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -17,109 +17,143 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
-#: core/forms.py:28
-msgid "Write something … /todo /link /public #tag [[note:1]]"
-msgstr "Schreibe etwas … /todo /link /public #tag [[note:1]]"
+#: core/context_processors.py:9 core/context_processors.py:16
+#: core/templates/core/index.html:16
+msgid "Notes"
+msgstr "Notizen"
 
-#: core/forms.py:65
-msgid "Show notes"
-msgstr "Notizen anzeigen"
+#: core/context_processors.py:9 core/context_processors.py:15
+#| msgid "Task"
+msgid "Tasks"
+msgstr "Aufgaben"
 
-#: core/forms.py:66
-msgid "Show open tasks"
-msgstr "Offene Aufgaben anzeigen"
+#: core/context_processors.py:9 core/context_processors.py:17
+#| msgid "Links:"
+msgid "Links"
+msgstr "Links"
 
-#: core/forms.py:67
-msgid "Show completed tasks"
-msgstr "Erledigte Aufgaben anzeigen"
-
-#: core/forms.py:68
-msgid "Show links"
-msgstr "Links anzeigen"
-
-#: core/forms.py:69
-msgid "Show journal"
-msgstr "Journal anzeigen"
-
-#: core/forms.py:70
-msgid "Lines in overview"
-msgstr "Zeilen in der Übersicht"
-
-#: core/forms.py:79 core/templates/core/settings.html:37
-msgid "Team name"
-msgstr "Teamname"
-
-#: core/forms.py:79 core/templates/core/settings.html:38
-msgid "Team tag"
-msgstr "Team-Tag"
-
-#: core/forms.py:93 core/templates/core/settings.html:13
-msgid "Email"
-msgstr "E-Mail"
-
-#: core/forms.py:98
-msgid "Tag"
-msgstr "Tag"
-
-#: core/forms.py:103
-msgid "Kanban name"
-msgstr "Name des Kanbans"
-
-#: core/forms.py:117
-msgid "API key name"
-msgstr "Name des API Keys"
-
-#: core/models.py:75 core/templates/core/index.html:5
-#: core/templates/core/index.html:53 core/templates/core/journal.html:25
-msgid "Task"
-msgstr "Aufgabe"
-
-#: core/models.py:76 core/templates/core/index.html:6
-#: core/templates/core/index.html:54 core/templates/core/journal.html:26
-msgid "Note"
-msgstr "Notiz"
-
-#: core/models.py:77
-msgid "Link"
-msgstr "Link"
-
-#: core/models.py:78 core/templates/core/base.html:24
+#: core/context_processors.py:18 core/models.py:98
+#: core/templates/core/base.html:24
 msgid "Journal"
 msgstr "Journal"
 
-#: core/models.py:81 core/templates/core/_edit_form.html:20
+#: core/context_processors.py:25
+#| msgid "Overdue"
+msgid "Overview"
+msgstr "Überfällig"
+
+#: core/forms.py:29
+msgid "Write something … /todo /link /public #tag [[note:1]]"
+msgstr "Schreibe etwas … /todo /link /public #tag [[note:1]]"
+
+#: core/forms.py:61
+msgid "Language"
+msgstr "Sprache"
+
+#: core/forms.py:62
+msgid "Show notes"
+msgstr "Notizen anzeigen"
+
+#: core/forms.py:63
+msgid "Show open tasks"
+msgstr "Offene Aufgaben anzeigen"
+
+#: core/forms.py:64
+msgid "Show completed tasks"
+msgstr "Erledigte Aufgaben anzeigen"
+
+#: core/forms.py:65
+msgid "Show links"
+msgstr "Links anzeigen"
+
+#: core/forms.py:66
+msgid "Show journal"
+msgstr "Journal anzeigen"
+
+#: core/forms.py:67
+msgid "Always show due items first"
+msgstr "Fällige immer oben"
+
+#: core/forms.py:68
+msgid "Lines in overview"
+msgstr "Zeilen in der Übersicht"
+
+#: core/forms.py:77 core/forms.py:85 core/forms.py:116
+#: core/templates/core/settings.html:26 core/templates/core/settings.html:66
+msgid "Email"
+msgstr "E-Mail"
+
+#: core/forms.py:102 core/templates/core/team_list.html:18
+msgid "Team name"
+msgstr "Teamname"
+
+#: core/forms.py:102 core/templates/core/team_list.html:19
+msgid "Team tag"
+msgstr "Team-Tag"
+
+#: core/forms.py:121
+msgid "Tag"
+msgstr "Tag"
+
+#: core/forms.py:126
+msgid "Kanban name"
+msgstr "Name des Kanbans"
+
+#: core/forms.py:140
+msgid "API key name"
+msgstr "Name des API Keys"
+
+#: core/models.py:95 core/templates/core/index.html:5
+#: core/templates/core/index.html:64 core/templates/core/journal.html:25
+msgid "Task"
+msgstr "Aufgabe"
+
+#: core/models.py:96 core/templates/core/index.html:6
+#: core/templates/core/index.html:65 core/templates/core/journal.html:26
+msgid "Note"
+msgstr "Notiz"
+
+#: core/models.py:97
+msgid "Link"
+msgstr "Link"
+
+#: core/models.py:101 core/templates/core/_edit_form.html:20
 #: core/templates/core/item_editor.html:25
 msgid "Private"
 msgstr "Privat"
 
-#: core/models.py:82 core/templates/core/team_detail.html:7
+#: core/models.py:102 core/templates/core/team_detail.html:7
 msgid "Team"
 msgstr "Team"
 
-#: core/models.py:83 core/templates/core/_edit_form.html:21
+#: core/models.py:103 core/templates/core/_edit_form.html:21
 #: core/templates/core/item_editor.html:25
 msgid "Public"
 msgstr "Öffentlich"
 
-#: core/models.py:92 core/templates/core/kanban_detail.html:7
+#: core/models.py:112 core/templates/core/kanban_detail.html:7
 msgid "Inbox"
 msgstr "Eingang"
 
-#: core/models.py:94
+#: core/models.py:114
 msgid "In Progress"
 msgstr "In Bearbeitung"
 
-#: core/models.py:95 core/templates/core/kanban_detail.html:10
+#: core/models.py:115 core/templates/core/kanban_detail.html:10
 #: core/templates/core/kanban_list.html:7
 msgid "Done"
 msgstr "Erledigt"
 
+#: core/models.py:167
+msgid "Browser default"
+msgstr "Browser-Standard"
+
 #: core/templates/core/_edit_form.html:5
 #: core/templates/core/item_editor.html:11
 msgid "Type:"
 msgstr "Typ:"
 
-#: core/templates/core/_edit_form.html:7 core/templates/core/index.html:58
+#: core/templates/core/_edit_form.html:7 core/templates/core/index.html:69
 #: core/templates/core/item_editor.html:13 core/templates/core/journal.html:29
 #: core/templates/core/new_item.html:13
 msgid "Add tags"
@@ -135,18 +169,23 @@ msgid "Comment, e.g. same task already captured [[12]]"
 msgstr "Kommentar, z.B. gleiche Aufgabe bereits erfasst [[12]]"
 
 #: core/templates/core/_edit_form.html:23
-msgid "Date/time for todo"
-msgstr "Datum/Zeit für Todo"
+#: core/templates/core/item_editor.html:26
+msgid "Due date"
+msgstr "Fälligkeitsdatum"
 
-#: core/templates/core/_edit_form.html:27 core/templates/core/index.html:69
+#: core/templates/core/_edit_form.html:23
+#: core/templates/core/item_editor.html:26
+msgid "Time optional"
+msgstr "Uhrzeit optional"
+
+#: core/templates/core/_edit_form.html:27 core/templates/core/index.html:80
 msgid "Image from clipboard:"
 msgstr "Bild aus Zwischenablage:"
 
-#: core/templates/core/_edit_form.html:29 core/templates/core/index.html:67
+#: core/templates/core/_edit_form.html:29 core/templates/core/index.html:78
 #: core/templates/core/item_editor.html:9
 #: core/templates/core/item_editor.html:31 core/templates/core/journal.html:32
 #: core/templates/core/new_item.html:10 core/templates/core/new_item.html:30
-#: core/templates/core/settings.html:14
 msgid "Save"
 msgstr "Speichern"
 
@@ -168,6 +207,14 @@ msgstr "weniger anzeigen"
 msgid "show more"
 msgstr "mehr anzeigen"
 
+#: core/templates/core/_item.html:17
+msgid "Overdue"
+msgstr "Überfällig"
+
+#: core/templates/core/_item.html:17
+msgid "Due today"
+msgstr "Heute fällig"
+
 #: core/templates/core/_item.html:17
 msgid "Due:"
 msgstr "Fällig:"
@@ -180,23 +227,30 @@ msgstr "Links:"
 msgid "Attachments:"
 msgstr "Anhänge:"
 
-#: core/templates/core/_tags.html:9 core/templates/core/index.html:44
+#: core/templates/core/_tags.html:9 core/templates/core/index.html:55
 msgid "No tags yet"
 msgstr "Noch keine Tags"
 
-#: core/templates/core/base.html:24
-msgid "Notes · Tasks · Links"
-msgstr "Notizen · Aufgaben · Links"
+#: core/templates/core/accept_user_invite.html:6
+#: core/templates/core/accept_user_invite.html:19
+msgid "Create account"
+msgstr "Account erstellen"
+
+#: core/templates/core/accept_user_invite.html:7
+msgid "You were invited to my2dos. Create your account to continue."
+msgstr ""
+"Du wurdest zu my2dos eingeladen. Erstelle deinen Account, um fortzufahren."
 
 #: core/templates/core/base.html:24
 msgid "Kanban"
 msgstr "Kanban"
 
-#: core/templates/core/base.html:24 core/templates/core/settings.html:34
+#: core/templates/core/base.html:24 core/templates/core/team_detail.html:4
+#: core/templates/core/team_list.html:6
 msgid "Teams"
 msgstr "Teams"
 
-#: core/templates/core/base.html:24 core/templates/core/team_detail.html:4
+#: core/templates/core/base.html:24 core/templates/core/settings.html:8
 msgid "Settings"
 msgstr "Einstellungen"
 
@@ -212,57 +266,45 @@ msgstr "Logout"
 msgid "Login"
 msgstr "Login"
 
-#: core/templates/core/base.html:32 core/templates/core/index.html:99
+#: core/templates/core/base.html:32 core/templates/core/index.html:110
 #: core/templates/core/new_item.html:9
 msgid "Create task"
 msgstr "Aufgabe erstellen"
 
-#: core/templates/core/base.html:32 core/templates/core/index.html:100
-#, fuzzy
-#| msgid "Create link"
+#: core/templates/core/base.html:32 core/templates/core/index.html:111
 msgid "Save link"
 msgstr "Link erstellen"
 
-#: core/templates/core/base.html:32 core/templates/core/index.html:101
-#, fuzzy
-#| msgid "Create journal entry"
+#: core/templates/core/base.html:32 core/templates/core/index.html:112
 msgid "Journal entry"
 msgstr "Journal-Eintrag erstellen"
 
-#: core/templates/core/base.html:32 core/templates/core/index.html:102
-#, fuzzy
-#| msgid "Public"
+#: core/templates/core/base.html:32 core/templates/core/index.html:113
 msgid "public"
 msgstr "Öffentlich"
 
-#: core/templates/core/base.html:32 core/templates/core/index.html:103
-#, fuzzy
-#| msgid "Private"
+#: core/templates/core/base.html:32 core/templates/core/index.html:114
 msgid "private"
 msgstr "Privat"
 
-#: core/templates/core/base.html:32 core/templates/core/index.html:104
+#: core/templates/core/base.html:32 core/templates/core/index.html:115
 msgid "Insert Markdown code block"
 msgstr "Markdown Codeblock einfügen"
 
-#: core/templates/core/base.html:32 core/templates/core/index.html:105
+#: core/templates/core/base.html:32 core/templates/core/index.html:116
 msgid "Search internal task/note"
 msgstr "interne Aufgabe/Notiz suchen"
 
-#: core/templates/core/base.html:32 core/templates/core/index.html:106
-#, fuzzy
-#| msgid "to insert images into the text."
+#: core/templates/core/base.html:32 core/templates/core/index.html:117
 msgid "Insert image from attachments"
 msgstr "können Bilder im Text eingefügt werden."
 
-#: core/templates/core/base.html:33 core/templates/core/index.html:113
-#, fuzzy
-#| msgid "Image preview:"
+#: core/templates/core/base.html:33 core/templates/core/index.html:124
 msgid "Image:"
 msgstr "Bildvorschau:"
 
 #: core/templates/core/detail.html:4 core/templates/core/kanban_list.html:4
-#: core/templates/core/settings.html:4
+#: core/templates/core/settings.html:4 core/templates/core/team_list.html:9
 msgid "back"
 msgstr "zurück"
 
@@ -270,50 +312,63 @@ msgstr "zurück"
 msgid "Filter"
 msgstr "Filter"
 
-#: core/templates/core/index.html:16
-msgid "Notes"
-msgstr "Notizen"
-
 #: core/templates/core/index.html:18 core/templates/core/kanban_list.html:7
 msgid "Open"
 msgstr "Offen"
 
 #: core/templates/core/index.html:19
+msgid "Due"
+msgstr "Fällig:"
+
+#: core/templates/core/index.html:20
 msgid "Archive"
 msgstr "Archiv"
 
-#: core/templates/core/index.html:26
+#: core/templates/core/index.html:28
 msgid "Search (Ctrl+F, # for tags)"
 msgstr "Suche (Ctrl+F, # für Tags)"
 
-#: core/templates/core/index.html:27
+#: core/templates/core/index.html:29
 msgid "Clear search"
 msgstr "Suche löschen"
 
-#: core/templates/core/index.html:34 core/templates/core/journal.html:15
-#: core/templates/core/settings.html:61
+#: core/templates/core/index.html:37 core/templates/core/journal.html:15
+#: core/templates/core/settings.html:88
 msgid "Tags"
 msgstr "Tags"
 
-#: core/templates/core/index.html:40
+#: core/templates/core/index.html:39
+msgid "Tag mode"
+msgstr "Tag-Modus"
+
+#: core/templates/core/index.html:40 core/templates/core/index.html:51
+msgid "any"
+msgstr "beliebig"
+
+#: core/templates/core/index.html:41 core/templates/core/index.html:51
+#: core/templates/core/settings.html:88
+msgid "all"
+msgstr "alle"
+
+#: core/templates/core/index.html:50
 msgid "Show tags"
 msgstr "Tags anzeigen"
 
-#: core/templates/core/index.html:65 core/templates/core/journal.html:32
+#: core/templates/core/index.html:76 core/templates/core/journal.html:32
 #: core/templates/core/new_item.html:26
 msgid "Gallery"
 msgstr "Galerie"
 
-#: core/templates/core/index.html:65 core/templates/core/journal.html:32
+#: core/templates/core/index.html:76 core/templates/core/journal.html:32
 #: core/templates/core/new_item.html:26
 msgid "Photo"
 msgstr "Foto"
 
-#: core/templates/core/index.html:66
+#: core/templates/core/index.html:77
 msgid "Editor"
 msgstr "Editor"
 
-#: core/templates/core/index.html:72
+#: core/templates/core/index.html:83
 msgid "Nothing here yet."
 msgstr "Noch nichts vorhanden."
 
@@ -382,71 +437,104 @@ msgstr "Mit"
 msgid "to insert images into the text."
 msgstr "können Bilder im Text eingefügt werden."
 
-#: core/templates/core/settings.html:8
-msgid "User settings"
-msgstr "Benutzereinstellungen"
+#: core/templates/core/settings.html:10 core/templates/core/settings.html:20
+msgid "Profile"
+msgstr "Benutzer"
 
-#: core/templates/core/settings.html:11
-msgid "First name"
-msgstr "Vorname"
+#: core/templates/core/settings.html:11 core/templates/core/settings.html:32
+msgid "View & language"
+msgstr "Ansicht & Sprache"
 
 #: core/templates/core/settings.html:12
-msgid "Last name"
-msgstr "Name"
+msgid "Invitations"
+msgstr "Offene Einladungen:"
 
-#: core/templates/core/settings.html:20
-msgid "Default view"
-msgstr "Standardansicht"
-
-#: core/templates/core/settings.html:30
-msgid "Save default view"
-msgstr "Standardansicht speichern"
-
-#: core/templates/core/settings.html:38
-msgid "This tag automatically turns items into team items, e.g. #my2dos."
-msgstr "Dieser Tag macht Einträge automatisch zu Team-Einträgen, z.B. #my2dos."
-
-#: core/templates/core/settings.html:39
-msgid "Create team"
-msgstr "Team erstellen"
-
-#: core/templates/core/settings.html:42
-msgid "No teams yet."
-msgstr "Noch keine Teams."
-
-#: core/templates/core/settings.html:46
-msgid "Create API key"
-msgstr "API Key erzeugen"
-
-#: core/templates/core/settings.html:49
-msgid "Name"
-msgstr "Name"
-
-#: core/templates/core/settings.html:50
-msgid "Restrict to tags"
-msgstr "Auf Tags beschränken"
-
-#: core/templates/core/settings.html:50
-msgid "No selection = access to all own items."
-msgstr "Keine Auswahl = Zugriff auf alle eigenen Einträge."
-
-#: core/templates/core/settings.html:51
-msgid "Generate API key"
-msgstr "API Key generieren"
-
-#: core/templates/core/settings.html:55
+#: core/templates/core/settings.html:13 core/templates/core/settings.html:75
 msgid "API keys"
 msgstr "API Keys"
 
-#: core/templates/core/settings.html:59
+#: core/templates/core/settings.html:21
+msgid "Manage your personal user data."
+msgstr "Verwalte deine persönlichen Benutzerdaten."
+
+#: core/templates/core/settings.html:24
+msgid "First name"
+msgstr "Vorname"
+
+#: core/templates/core/settings.html:25
+msgid "Last name"
+msgstr "Name"
+
+#: core/templates/core/settings.html:27
+msgid "Save profile"
+msgstr "Benutzer speichern"
+
+#: core/templates/core/settings.html:33
+msgid "Choose your language and configure the default overview."
+msgstr "Wähle deine Sprache und konfiguriere die Standardübersicht."
+
+#: core/templates/core/settings.html:43
+msgid "Sorting"
+msgstr "Einstellungen"
+
+#: core/templates/core/settings.html:44
+msgid "Overdue and due-today tasks are sorted to the top of the overview."
+msgstr ""
+"Überfällige und heute fällige Aufgaben werden in der Übersicht nach oben "
+"sortiert."
+
+#: core/templates/core/settings.html:48
+msgid "Show in overview"
+msgstr "Zeilen in der Übersicht"
+
+#: core/templates/core/settings.html:57
+msgid "Save view settings"
+msgstr "Ansicht speichern"
+
+#: core/templates/core/settings.html:62
+msgid "User invitations"
+msgstr "Offene Einladungen:"
+
+#: core/templates/core/settings.html:63
+msgid ""
+"Invite new users during the test phase. Only people with an invitation link "
+"can register."
+msgstr ""
+
+#: core/templates/core/settings.html:67 core/templates/core/team_detail.html:26
+msgid "Create invitation link"
+msgstr "Einladungslink erzeugen"
+
+#: core/templates/core/settings.html:70 core/templates/core/settings.html:86
 msgid "Delete"
 msgstr "Löschen"
 
-#: core/templates/core/settings.html:61
-msgid "all"
-msgstr "alle"
+#: core/templates/core/settings.html:70 core/templates/core/team_detail.html:29
+msgid "No open invitations."
+msgstr "Keine offenen Einladungen."
 
-#: core/templates/core/settings.html:63
+#: core/templates/core/settings.html:76
+msgid "Create API keys for integrations and optionally restrict them to tags."
+msgstr ""
+"Erzeuge API Keys für Integrationen und beschränke sie optional auf Tags."
+
+#: core/templates/core/settings.html:79
+msgid "Name"
+msgstr "Name"
+
+#: core/templates/core/settings.html:80
+msgid "Restrict to tags"
+msgstr "Auf Tags beschränken"
+
+#: core/templates/core/settings.html:80
+msgid "No selection = access to all own items."
+msgstr "Keine Auswahl = Zugriff auf alle eigenen Einträge."
+
+#: core/templates/core/settings.html:81
+msgid "Generate API key"
+msgstr "API Key generieren"
+
+#: core/templates/core/settings.html:90
 msgid "No API keys yet."
 msgstr "Noch keine API Keys."
 
@@ -467,18 +555,10 @@ msgstr "Mitglieder"
 msgid "Invite"
 msgstr "Einladen"
 
-#: core/templates/core/team_detail.html:26
-msgid "Create invitation link"
-msgstr "Einladungslink erzeugen"
-
 #: core/templates/core/team_detail.html:28
 msgid "Open invitations:"
 msgstr "Offene Einladungen:"
 
-#: core/templates/core/team_detail.html:29
-msgid "No open invitations."
-msgstr "Keine offenen Einladungen."
-
 #: core/templates/core/team_detail.html:34
 msgid "Team items"
 msgstr "Team-Einträge"
@@ -488,30 +568,99 @@ msgstr "Team-Einträge"
 msgid "No team items yet. Create something with #%(slug)s."
 msgstr "Noch keine Team-Einträge. Erstelle etwas mit #%(slug)s."
 
-#: core/views.py:271
+#: core/templates/core/team_list.html:7
+msgid "All teams you belong to."
+msgstr "Alle Teams, zu denen du gehörst."
+
+#: core/templates/core/team_list.html:15 core/templates/core/team_list.html:20
+msgid "Create team"
+msgstr "Team erstellen"
+
+#: core/templates/core/team_list.html:19
+msgid "This tag automatically turns items into team items, e.g. #my2dos."
+msgstr "Dieser Tag macht Einträge automatisch zu Team-Einträgen, z.B. #my2dos."
+
+#: core/templates/core/team_list.html:32
+msgid "members"
+msgstr "Mitglieder"
+
+#: core/templates/core/team_list.html:34
+msgid "Open team"
+msgstr "Offen"
+
+#: core/templates/core/team_list.html:37
+msgid "items"
+msgstr "Team-Einträge"
+
+#: core/templates/core/team_list.html:38
+msgid "open tasks"
+msgstr "Offene Aufgaben anzeigen"
+
+#: core/templates/core/team_list.html:46
+msgid "No team items yet."
+msgstr "Noch keine Teams."
+
+#: core/templates/core/team_list.html:51
+msgid "You are not a member of any team yet."
+msgstr "Du bist jetzt Mitglied im Team %(team)s."
+
+#: core/views.py:321
 msgid "Settings saved."
 msgstr "Einstellungen gespeichert."
 
-#: core/views.py:278
+#: core/views.py:328
 msgid "Default view saved."
 msgstr "Standardansicht gespeichert."
 
-#: core/views.py:287
+#: core/views.py:337
 #, python-format
 msgid "API key created: %(token)s"
 msgstr "API Key erzeugt: %(token)s"
 
-#: core/views.py:297
-#, python-format
-msgid "Team %(team)s created. Use #%(slug)s for team items."
-msgstr "Team %(team)s erstellt. Nutze #%(slug)s für Team-Einträge."
-
-#: core/views.py:329
+#: core/views.py:345 core/views.py:439
 #, python-format
 msgid "Invitation link created: %(url)s"
 msgstr "Einladungslink erzeugt: %(url)s"
 
-#: core/views.py:349
+#: core/views.py:373
+msgid "Invitation deleted."
+msgstr "Einladungslink erzeugt: %(url)s"
+
+#: core/views.py:382
+msgid "Invitation accepted."
+msgstr "Einladungslink erzeugt: %(url)s"
+
+#: core/views.py:394
+msgid "Welcome to my2dos."
+msgstr "Willkommen bei my2dos."
+
+#: core/views.py:411
+#, python-format
+msgid "Team %(team)s created. Use #%(slug)s for team items."
+msgstr "Team %(team)s erstellt. Nutze #%(slug)s für Team-Einträge."
+
+#: core/views.py:459
 #, python-format
 msgid "You are now a member of team %(team)s."
 msgstr "Du bist jetzt Mitglied im Team %(team)s."
+
+#~ msgid "Notes · Tasks · Links"
+#~ msgstr "Notizen · Aufgaben · Links"
+
+#~ msgid "Create teams and use their tag to share items."
+#~ msgstr "Erstelle Teams und nutze deren Tag, um Einträge zu teilen."
+
+#~ msgid "No teams yet."
+#~ msgstr "Noch keine Teams."
+
+#~ msgid "Date/time for todo"
+#~ msgstr "Datum/Zeit für Todo"
+
+#~ msgid "Default view"
+#~ msgstr "Standardansicht"
+
+#~ msgid "Save default view"
+#~ msgstr "Standardansicht speichern"
+
+#~ msgid "Create API key"
+#~ msgstr "API Key erzeugen"
diff --git a/locale/en/LC_MESSAGES/django.po b/locale/en/LC_MESSAGES/django.po
index baf9684..cf80e58 100644
--- a/locale/en/LC_MESSAGES/django.po
+++ b/locale/en/LC_MESSAGES/django.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-08-23 14:50+0200\n"
+"POT-Creation-Date: 2026-08-23 16:56+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -18,109 +18,140 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
-#: core/forms.py:28
-msgid "Write something … /todo /link /public #tag [[note:1]]"
+#: core/context_processors.py:9 core/context_processors.py:16
+#: core/templates/core/index.html:16
+msgid "Notes"
 msgstr ""
 
-#: core/forms.py:65
-msgid "Show notes"
+#: core/context_processors.py:9 core/context_processors.py:15
+msgid "Tasks"
 msgstr ""
 
-#: core/forms.py:66
-msgid "Show open tasks"
+#: core/context_processors.py:9 core/context_processors.py:17
+msgid "Links"
 msgstr ""
 
-#: core/forms.py:67
-msgid "Show completed tasks"
-msgstr ""
-
-#: core/forms.py:68
-msgid "Show links"
-msgstr ""
-
-#: core/forms.py:69
-msgid "Show journal"
-msgstr ""
-
-#: core/forms.py:70
-msgid "Lines in overview"
-msgstr ""
-
-#: core/forms.py:79 core/templates/core/settings.html:37
-msgid "Team name"
-msgstr ""
-
-#: core/forms.py:79 core/templates/core/settings.html:38
-msgid "Team tag"
-msgstr ""
-
-#: core/forms.py:93 core/templates/core/settings.html:13
-msgid "Email"
-msgstr ""
-
-#: core/forms.py:98
-msgid "Tag"
-msgstr ""
-
-#: core/forms.py:103
-msgid "Kanban name"
-msgstr ""
-
-#: core/forms.py:117
-msgid "API key name"
-msgstr ""
-
-#: core/models.py:75 core/templates/core/index.html:5
-#: core/templates/core/index.html:53 core/templates/core/journal.html:25
-msgid "Task"
-msgstr ""
-
-#: core/models.py:76 core/templates/core/index.html:6
-#: core/templates/core/index.html:54 core/templates/core/journal.html:26
-msgid "Note"
-msgstr ""
-
-#: core/models.py:77
-msgid "Link"
-msgstr ""
-
-#: core/models.py:78 core/templates/core/base.html:24
+#: core/context_processors.py:18 core/models.py:98
+#: core/templates/core/base.html:24
 msgid "Journal"
 msgstr ""
 
-#: core/models.py:81 core/templates/core/_edit_form.html:20
+#: core/context_processors.py:25
+msgid "Overview"
+msgstr ""
+
+#: core/forms.py:29
+msgid "Write something … /todo /link /public #tag [[note:1]]"
+msgstr ""
+
+#: core/forms.py:61
+msgid "Language"
+msgstr ""
+
+#: core/forms.py:62
+msgid "Show notes"
+msgstr ""
+
+#: core/forms.py:63
+msgid "Show open tasks"
+msgstr ""
+
+#: core/forms.py:64
+msgid "Show completed tasks"
+msgstr ""
+
+#: core/forms.py:65
+msgid "Show links"
+msgstr ""
+
+#: core/forms.py:66
+msgid "Show journal"
+msgstr ""
+
+#: core/forms.py:67
+msgid "Always show due items first"
+msgstr ""
+
+#: core/forms.py:68
+msgid "Lines in overview"
+msgstr ""
+
+#: core/forms.py:77 core/forms.py:85 core/forms.py:116
+#: core/templates/core/settings.html:26 core/templates/core/settings.html:66
+msgid "Email"
+msgstr ""
+
+#: core/forms.py:102 core/templates/core/team_list.html:18
+msgid "Team name"
+msgstr ""
+
+#: core/forms.py:102 core/templates/core/team_list.html:19
+msgid "Team tag"
+msgstr ""
+
+#: core/forms.py:121
+msgid "Tag"
+msgstr ""
+
+#: core/forms.py:126
+msgid "Kanban name"
+msgstr ""
+
+#: core/forms.py:140
+msgid "API key name"
+msgstr ""
+
+#: core/models.py:95 core/templates/core/index.html:5
+#: core/templates/core/index.html:64 core/templates/core/journal.html:25
+msgid "Task"
+msgstr ""
+
+#: core/models.py:96 core/templates/core/index.html:6
+#: core/templates/core/index.html:65 core/templates/core/journal.html:26
+msgid "Note"
+msgstr ""
+
+#: core/models.py:97
+msgid "Link"
+msgstr ""
+
+#: core/models.py:101 core/templates/core/_edit_form.html:20
 #: core/templates/core/item_editor.html:25
 msgid "Private"
 msgstr ""
 
-#: core/models.py:82 core/templates/core/team_detail.html:7
+#: core/models.py:102 core/templates/core/team_detail.html:7
 msgid "Team"
 msgstr ""
 
-#: core/models.py:83 core/templates/core/_edit_form.html:21
+#: core/models.py:103 core/templates/core/_edit_form.html:21
 #: core/templates/core/item_editor.html:25
 msgid "Public"
 msgstr ""
 
-#: core/models.py:92 core/templates/core/kanban_detail.html:7
+#: core/models.py:112 core/templates/core/kanban_detail.html:7
 msgid "Inbox"
 msgstr ""
 
-#: core/models.py:94
+#: core/models.py:114
 msgid "In Progress"
 msgstr ""
 
-#: core/models.py:95 core/templates/core/kanban_detail.html:10
+#: core/models.py:115 core/templates/core/kanban_detail.html:10
 #: core/templates/core/kanban_list.html:7
 msgid "Done"
 msgstr ""
 
+#: core/models.py:167
+msgid "Browser default"
+msgstr ""
+
 #: core/templates/core/_edit_form.html:5
 #: core/templates/core/item_editor.html:11
 msgid "Type:"
 msgstr ""
 
-#: core/templates/core/_edit_form.html:7 core/templates/core/index.html:58
+#: core/templates/core/_edit_form.html:7 core/templates/core/index.html:69
 #: core/templates/core/item_editor.html:13 core/templates/core/journal.html:29
 #: core/templates/core/new_item.html:13
 msgid "Add tags"
@@ -136,18 +167,23 @@ msgid "Comment, e.g. same task already captured [[12]]"
 msgstr ""
 
 #: core/templates/core/_edit_form.html:23
-msgid "Date/time for todo"
+#: core/templates/core/item_editor.html:26
+msgid "Due date"
 msgstr ""
 
-#: core/templates/core/_edit_form.html:27 core/templates/core/index.html:69
+#: core/templates/core/_edit_form.html:23
+#: core/templates/core/item_editor.html:26
+msgid "Time optional"
+msgstr ""
+
+#: core/templates/core/_edit_form.html:27 core/templates/core/index.html:80
 msgid "Image from clipboard:"
 msgstr ""
 
-#: core/templates/core/_edit_form.html:29 core/templates/core/index.html:67
+#: core/templates/core/_edit_form.html:29 core/templates/core/index.html:78
 #: core/templates/core/item_editor.html:9
 #: core/templates/core/item_editor.html:31 core/templates/core/journal.html:32
 #: core/templates/core/new_item.html:10 core/templates/core/new_item.html:30
-#: core/templates/core/settings.html:14
 msgid "Save"
 msgstr ""
 
@@ -169,6 +205,14 @@ msgstr ""
 msgid "show more"
 msgstr ""
 
+#: core/templates/core/_item.html:17
+msgid "Overdue"
+msgstr ""
+
+#: core/templates/core/_item.html:17
+msgid "Due today"
+msgstr ""
+
 #: core/templates/core/_item.html:17
 msgid "Due:"
 msgstr ""
@@ -181,23 +225,29 @@ msgstr ""
 msgid "Attachments:"
 msgstr ""
 
-#: core/templates/core/_tags.html:9 core/templates/core/index.html:44
+#: core/templates/core/_tags.html:9 core/templates/core/index.html:55
 msgid "No tags yet"
 msgstr ""
 
-#: core/templates/core/base.html:24
-msgid "Notes · Tasks · Links"
+#: core/templates/core/accept_user_invite.html:6
+#: core/templates/core/accept_user_invite.html:19
+msgid "Create account"
+msgstr ""
+
+#: core/templates/core/accept_user_invite.html:7
+msgid "You were invited to my2dos. Create your account to continue."
 msgstr ""
 
 #: core/templates/core/base.html:24
 msgid "Kanban"
 msgstr ""
 
-#: core/templates/core/base.html:24 core/templates/core/settings.html:34
+#: core/templates/core/base.html:24 core/templates/core/team_detail.html:4
+#: core/templates/core/team_list.html:6
 msgid "Teams"
 msgstr ""
 
-#: core/templates/core/base.html:24 core/templates/core/team_detail.html:4
+#: core/templates/core/base.html:24 core/templates/core/settings.html:8
 msgid "Settings"
 msgstr ""
 
@@ -213,45 +263,45 @@ msgstr ""
 msgid "Login"
 msgstr ""
 
-#: core/templates/core/base.html:32 core/templates/core/index.html:99
+#: core/templates/core/base.html:32 core/templates/core/index.html:110
 #: core/templates/core/new_item.html:9
 msgid "Create task"
 msgstr ""
 
-#: core/templates/core/base.html:32 core/templates/core/index.html:100
+#: core/templates/core/base.html:32 core/templates/core/index.html:111
 msgid "Save link"
 msgstr ""
 
-#: core/templates/core/base.html:32 core/templates/core/index.html:101
+#: core/templates/core/base.html:32 core/templates/core/index.html:112
 msgid "Journal entry"
 msgstr ""
 
-#: core/templates/core/base.html:32 core/templates/core/index.html:102
+#: core/templates/core/base.html:32 core/templates/core/index.html:113
 msgid "public"
 msgstr ""
 
-#: core/templates/core/base.html:32 core/templates/core/index.html:103
+#: core/templates/core/base.html:32 core/templates/core/index.html:114
 msgid "private"
 msgstr ""
 
-#: core/templates/core/base.html:32 core/templates/core/index.html:104
+#: core/templates/core/base.html:32 core/templates/core/index.html:115
 msgid "Insert Markdown code block"
 msgstr ""
 
-#: core/templates/core/base.html:32 core/templates/core/index.html:105
+#: core/templates/core/base.html:32 core/templates/core/index.html:116
 msgid "Search internal task/note"
 msgstr ""
 
-#: core/templates/core/base.html:32 core/templates/core/index.html:106
+#: core/templates/core/base.html:32 core/templates/core/index.html:117
 msgid "Insert image from attachments"
 msgstr ""
 
-#: core/templates/core/base.html:33 core/templates/core/index.html:113
+#: core/templates/core/base.html:33 core/templates/core/index.html:124
 msgid "Image:"
 msgstr ""
 
 #: core/templates/core/detail.html:4 core/templates/core/kanban_list.html:4
-#: core/templates/core/settings.html:4
+#: core/templates/core/settings.html:4 core/templates/core/team_list.html:9
 msgid "back"
 msgstr ""
 
@@ -259,50 +309,63 @@ msgstr ""
 msgid "Filter"
 msgstr ""
 
-#: core/templates/core/index.html:16
-msgid "Notes"
-msgstr ""
-
 #: core/templates/core/index.html:18 core/templates/core/kanban_list.html:7
 msgid "Open"
 msgstr ""
 
 #: core/templates/core/index.html:19
+msgid "Due"
+msgstr ""
+
+#: core/templates/core/index.html:20
 msgid "Archive"
 msgstr ""
 
-#: core/templates/core/index.html:26
+#: core/templates/core/index.html:28
 msgid "Search (Ctrl+F, # for tags)"
 msgstr ""
 
-#: core/templates/core/index.html:27
+#: core/templates/core/index.html:29
 msgid "Clear search"
 msgstr ""
 
-#: core/templates/core/index.html:34 core/templates/core/journal.html:15
-#: core/templates/core/settings.html:61
+#: core/templates/core/index.html:37 core/templates/core/journal.html:15
+#: core/templates/core/settings.html:88
 msgid "Tags"
 msgstr ""
 
-#: core/templates/core/index.html:40
+#: core/templates/core/index.html:39
+msgid "Tag mode"
+msgstr ""
+
+#: core/templates/core/index.html:40 core/templates/core/index.html:51
+msgid "any"
+msgstr ""
+
+#: core/templates/core/index.html:41 core/templates/core/index.html:51
+#: core/templates/core/settings.html:88
+msgid "all"
+msgstr ""
+
+#: core/templates/core/index.html:50
 msgid "Show tags"
 msgstr ""
 
-#: core/templates/core/index.html:65 core/templates/core/journal.html:32
+#: core/templates/core/index.html:76 core/templates/core/journal.html:32
 #: core/templates/core/new_item.html:26
 msgid "Gallery"
 msgstr ""
 
-#: core/templates/core/index.html:65 core/templates/core/journal.html:32
+#: core/templates/core/index.html:76 core/templates/core/journal.html:32
 #: core/templates/core/new_item.html:26
 msgid "Photo"
 msgstr ""
 
-#: core/templates/core/index.html:66
+#: core/templates/core/index.html:77
 msgid "Editor"
 msgstr ""
 
-#: core/templates/core/index.html:72
+#: core/templates/core/index.html:83
 msgid "Nothing here yet."
 msgstr ""
 
@@ -371,71 +434,101 @@ msgstr ""
 msgid "to insert images into the text."
 msgstr ""
 
-#: core/templates/core/settings.html:8
-msgid "User settings"
+#: core/templates/core/settings.html:10 core/templates/core/settings.html:20
+msgid "Profile"
 msgstr ""
 
-#: core/templates/core/settings.html:11
-msgid "First name"
+#: core/templates/core/settings.html:11 core/templates/core/settings.html:32
+msgid "View & language"
 msgstr ""
 
 #: core/templates/core/settings.html:12
-msgid "Last name"
+msgid "Invitations"
 msgstr ""
 
-#: core/templates/core/settings.html:20
-msgid "Default view"
-msgstr ""
-
-#: core/templates/core/settings.html:30
-msgid "Save default view"
-msgstr ""
-
-#: core/templates/core/settings.html:38
-msgid "This tag automatically turns items into team items, e.g. #my2dos."
-msgstr ""
-
-#: core/templates/core/settings.html:39
-msgid "Create team"
-msgstr ""
-
-#: core/templates/core/settings.html:42
-msgid "No teams yet."
-msgstr ""
-
-#: core/templates/core/settings.html:46
-msgid "Create API key"
-msgstr ""
-
-#: core/templates/core/settings.html:49
-msgid "Name"
-msgstr ""
-
-#: core/templates/core/settings.html:50
-msgid "Restrict to tags"
-msgstr ""
-
-#: core/templates/core/settings.html:50
-msgid "No selection = access to all own items."
-msgstr ""
-
-#: core/templates/core/settings.html:51
-msgid "Generate API key"
-msgstr ""
-
-#: core/templates/core/settings.html:55
+#: core/templates/core/settings.html:13 core/templates/core/settings.html:75
 msgid "API keys"
 msgstr ""
 
-#: core/templates/core/settings.html:59
-msgid "Delete"
+#: core/templates/core/settings.html:21
+msgid "Manage your personal user data."
 msgstr ""
 
-#: core/templates/core/settings.html:61
-msgid "all"
+#: core/templates/core/settings.html:24
+msgid "First name"
+msgstr ""
+
+#: core/templates/core/settings.html:25
+msgid "Last name"
+msgstr ""
+
+#: core/templates/core/settings.html:27
+msgid "Save profile"
+msgstr ""
+
+#: core/templates/core/settings.html:33
+msgid "Choose your language and configure the default overview."
+msgstr ""
+
+#: core/templates/core/settings.html:43
+msgid "Sorting"
+msgstr ""
+
+#: core/templates/core/settings.html:44
+msgid "Overdue and due-today tasks are sorted to the top of the overview."
+msgstr ""
+
+#: core/templates/core/settings.html:48
+msgid "Show in overview"
+msgstr ""
+
+#: core/templates/core/settings.html:57
+msgid "Save view settings"
+msgstr ""
+
+#: core/templates/core/settings.html:62
+msgid "User invitations"
 msgstr ""
 
 #: core/templates/core/settings.html:63
+msgid ""
+"Invite new users during the test phase. Only people with an invitation link "
+"can register."
+msgstr ""
+
+#: core/templates/core/settings.html:67 core/templates/core/team_detail.html:26
+msgid "Create invitation link"
+msgstr ""
+
+#: core/templates/core/settings.html:70 core/templates/core/settings.html:86
+msgid "Delete"
+msgstr ""
+
+#: core/templates/core/settings.html:70 core/templates/core/team_detail.html:29
+msgid "No open invitations."
+msgstr ""
+
+#: core/templates/core/settings.html:76
+msgid "Create API keys for integrations and optionally restrict them to tags."
+msgstr ""
+
+#: core/templates/core/settings.html:79
+msgid "Name"
+msgstr ""
+
+#: core/templates/core/settings.html:80
+msgid "Restrict to tags"
+msgstr ""
+
+#: core/templates/core/settings.html:80
+msgid "No selection = access to all own items."
+msgstr ""
+
+#: core/templates/core/settings.html:81
+msgid "Generate API key"
+msgstr ""
+
+#: core/templates/core/settings.html:90
 msgid "No API keys yet."
 msgstr ""
 
@@ -456,18 +549,10 @@ msgstr ""
 msgid "Invite"
 msgstr ""
 
-#: core/templates/core/team_detail.html:26
-msgid "Create invitation link"
-msgstr ""
-
 #: core/templates/core/team_detail.html:28
 msgid "Open invitations:"
 msgstr ""
 
-#: core/templates/core/team_detail.html:29
-msgid "No open invitations."
-msgstr ""
-
 #: core/templates/core/team_detail.html:34
 msgid "Team items"
 msgstr ""
@@ -477,30 +562,78 @@ msgstr ""
 msgid "No team items yet. Create something with #%(slug)s."
 msgstr ""
 
-#: core/views.py:271
+#: core/templates/core/team_list.html:7
+msgid "All teams you belong to."
+msgstr ""
+
+#: core/templates/core/team_list.html:15 core/templates/core/team_list.html:20
+msgid "Create team"
+msgstr ""
+
+#: core/templates/core/team_list.html:19
+msgid "This tag automatically turns items into team items, e.g. #my2dos."
+msgstr ""
+
+#: core/templates/core/team_list.html:32
+msgid "members"
+msgstr ""
+
+#: core/templates/core/team_list.html:34
+msgid "Open team"
+msgstr ""
+
+#: core/templates/core/team_list.html:37
+msgid "items"
+msgstr ""
+
+#: core/templates/core/team_list.html:38
+msgid "open tasks"
+msgstr ""
+
+#: core/templates/core/team_list.html:46
+msgid "No team items yet."
+msgstr ""
+
+#: core/templates/core/team_list.html:51
+msgid "You are not a member of any team yet."
+msgstr ""
+
+#: core/views.py:321
 msgid "Settings saved."
 msgstr ""
 
-#: core/views.py:278
+#: core/views.py:328
 msgid "Default view saved."
 msgstr ""
 
-#: core/views.py:287
+#: core/views.py:337
 #, python-format
 msgid "API key created: %(token)s"
 msgstr ""
 
-#: core/views.py:297
-#, python-format
-msgid "Team %(team)s created. Use #%(slug)s for team items."
-msgstr ""
-
-#: core/views.py:329
+#: core/views.py:345 core/views.py:439
 #, python-format
 msgid "Invitation link created: %(url)s"
 msgstr ""
 
-#: core/views.py:349
+#: core/views.py:373
+msgid "Invitation deleted."
+msgstr ""
+
+#: core/views.py:382
+msgid "Invitation accepted."
+msgstr ""
+
+#: core/views.py:394
+msgid "Welcome to my2dos."
+msgstr ""
+
+#: core/views.py:411
+#, python-format
+msgid "Team %(team)s created. Use #%(slug)s for team items."
+msgstr ""
+
+#: core/views.py:459
 #, python-format
 msgid "You are now a member of team %(team)s."
 msgstr ""
diff --git a/my2dos/settings.py b/my2dos/settings.py
index 0041d32..2254124 100644
--- a/my2dos/settings.py
+++ b/my2dos/settings.py
@@ -28,6 +28,7 @@ MIDDLEWARE = [
     'django.middleware.common.CommonMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'core.middleware.UserLanguageMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
 ]
@@ -41,6 +42,7 @@ TEMPLATES = [{
         'django.template.context_processors.request',
         'django.contrib.auth.context_processors.auth',
         'django.contrib.messages.context_processors.messages',
+        'core.context_processors.overview_navigation',
     ]},
 }]
 WSGI_APPLICATION = 'my2dos.wsgi.application'