first copies from portal

resources/views/components/layouts/sidebar.blade.php

@@ -0,0 +1,65 @@
+<div class="min-w-fit">
+    <!-- Sidebar backdrop (mobile only) -->
+    <div
+        class="fixed inset-0 bg-gray-900 bg-opacity-30 z-40 lg:hidden lg:z-auto transition-opacity duration-200"
+        :class="sidebarOpen ? 'opacity-100' : 'opacity-0 pointer-events-none'"
+        aria-hidden="true"
+        x-cloak
+    ></div>
+
+    <!-- Sidebar -->
+    <div
+        id="sidebar"
+        class="flex flex-col absolute z-40 left-0 top-0 lg:static lg:left-auto lg:top-auto lg:translate-x-0 h-[100dvh] overflow-y-scroll lg:overflow-y-auto no-scrollbar w-64 lg:w-20 lg:sidebar-expanded:!w-64 2xl:!w-64 shrink-0 bg-white dark:bg-[#1B1B1B] shadow-sm rounded-r-2xl p-4 transition-all duration-200 ease-in-out"
+        :class="sidebarOpen ? 'translate-x-0' : '-translate-x-64'"
+        @click.outside="sidebarOpen = false"
+        @keydown.escape.window="sidebarOpen = false"
+        x-cloak="lg"
+    >
+
+        <!-- Sidebar header -->
+        <div class="flex justify-between mb-10 pr-3 sm:px-2">
+            <!-- Close button -->
+            <button class="lg:hidden text-gray-500 hover:text-gray-400" @click.stop="sidebarOpen = !sidebarOpen"
+                    aria-controls="sidebar" :aria-expanded="sidebarOpen">
+                <span class="sr-only">Close sidebar</span>
+                <svg class="w-6 h-6 fill-current" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
+                    <path d="M10.7 18.7l1.4-1.4L7.8 13H20v-2H7.8l4.3-4.3-1.4-1.4L4 12z"/>
+                </svg>
+            </button>
+            <!-- Logo -->
+            <img src="{{ asset('img/einundzwanzig-horizontal-inverted.svg') }}" alt="Logo" width="auto" height="32">
+        </div>
+
+        @php
+            $activeLinkGroupClass = ' bg-[linear-gradient(135deg,var(--tw-gradient-stops))] from-amber-500/[0.12] dark:from-amber-500/[0.24] to-amber-500/[0.04]';
+            $activeItemClass = 'block text-amber-500 transition truncate';
+        @endphp
+
+            <!-- Links -->
+        <div class="space-y-8">
+            @include('components.layouts.navigation.meetups')
+            {{--@include('components.layouts.navigation.events')
+            @include('components.layouts.navigation.courses')
+            @include('components.layouts.navigation.nostr')
+            @include('components.layouts.navigation.legacy')--}}
+        </div>
+
+        <!-- Expand / collapse button -->
+        <div class="pt-3 hidden lg:inline-flex 2xl:hidden justify-end mt-auto">
+            <div class="w-12 pl-4 pr-3 py-2">
+                <button
+                    class="text-gray-400 hover:text-gray-500 dark:text-gray-500 dark:hover:text-gray-400 transition-colors"
+                    @click="sidebarExpanded = !sidebarExpanded">
+                    <span class="sr-only">Expand / collapse sidebar</span>
+                    <svg class="shrink-0 fill-current text-gray-400 dark:text-gray-500 sidebar-expanded:rotate-180"
+                         xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16">
+                        <path
+                            d="M15 16a1 1 0 0 1-1-1V1a1 1 0 1 1 2 0v14a1 1 0 0 1-1 1ZM8.586 7H1a1 1 0 1 0 0 2h7.586l-2.793 2.793a1 1 0 1 0 1.414 1.414l4.5-4.5A.997.997 0 0 0 12 8.01M11.924 7.617a.997.997 0 0 0-.217-.324l-4.5-4.5a1 1 0 0 0-1.414 1.414L8.586 7M12 7.99a.996.996 0 0 0-.076-.373Z"/>
+                    </svg>
+                </button>
+            </div>
+        </div>
+
+    </div>
+</div>