From 7e8422cbd7172cc3091a7300502014033442819d Mon Sep 17 00:00:00 2001
From: Lars <Lars@stommer.de>
Date: Sun, 5 Apr 2026 07:58:38 +0200
Subject: [PATCH] feat: Implement responsive desktop sidebar navigation and
 update app structure

---
 docs/issues/PHASE_PLAN_RESPONSIVE_UI.md    |   8 +-
 frontend/src/App.jsx                       | 127 ++++++++------
 frontend/src/app.css                       | 187 +++++++++++++++++++++
 frontend/src/components/DesktopSidebar.jsx |  84 +++++++++
 frontend/src/config/appNav.js              |  43 +++++
 5 files changed, 397 insertions(+), 52 deletions(-)
 create mode 100644 frontend/src/components/DesktopSidebar.jsx
 create mode 100644 frontend/src/config/appNav.js

diff --git a/docs/issues/PHASE_PLAN_RESPONSIVE_UI.md b/docs/issues/PHASE_PLAN_RESPONSIVE_UI.md
index 1e60f56..332ae17 100644
--- a/docs/issues/PHASE_PLAN_RESPONSIVE_UI.md
+++ b/docs/issues/PHASE_PLAN_RESPONSIVE_UI.md
@@ -3,7 +3,7 @@
 > **Gitea:** [#30 – Responsive UI](http://192.168.2.144:3000/Lars/mitai-jinkendo/issues/30)  
 > **Spec:** `.claude/docs/functional/RESPONSIVE_UI.md`  
 > **Breakpoint:** `<1024px` = Mobile (Bottom-Nav, bestehendes Verhalten), `≥1024px` = Desktop (Sidebar 220px)  
-> **Letzte Plan-Aktualisierung:** 2026-04-04
+> **Letzte Plan-Aktualisierung:** 2026-04-05
 
 ---
 
@@ -11,9 +11,9 @@
 
 | Phase | Titel | Status | Datum / Notiz |
 |-------|--------|--------|----------------|
-| P0 | Vorbereitung & Baseline | ☐ pending | |
-| P1 | App-Shell: Sidebar + Breakpoint + gemeinsame Navigation | ☐ pending | |
-| P2 | Globales Layout & Content-Bereich (CSS) | ☐ pending | |
+| P0 | Vorbereitung & Baseline | ☑ erledigt | Spec `RESPONSIVE_UI.md` bereinigt |
+| P1 | App-Shell: Sidebar + Breakpoint + gemeinsame Navigation | ☑ erledigt | `DesktopSidebar`, `config/appNav.js`, Admin `/admin/*`-Highlight |
+| P2 | Globales Layout & Content-Bereich (CSS) | ☑ erledigt | Desktop: Header aus, Content max 1200px; Mobile unverändert Bottom-Nav |
 | P3 | Dashboard (Desktop-Grid) | ☐ pending | |
 | P4 | Verlauf (Tabs links / Content rechts) | ☐ pending | |
 | P5 | Analyse (Prompts links / Ergebnis rechts) | ☐ pending | |
diff --git a/frontend/src/App.jsx b/frontend/src/App.jsx
index 5175e20..9e75963 100644
--- a/frontend/src/App.jsx
+++ b/frontend/src/App.jsx
@@ -1,6 +1,6 @@
 import { useEffect } from 'react'
-import { BrowserRouter, Routes, Route, NavLink, useNavigate } from 'react-router-dom'
-import { LayoutDashboard, PlusSquare, TrendingUp, BarChart2, Settings, LogOut } from 'lucide-react'
+import { BrowserRouter, Routes, Route, NavLink, useLocation } from 'react-router-dom'
+import { LogOut } from 'lucide-react'
 import { ProfileProvider, useProfile } from './context/ProfileContext'
 import { AuthProvider, useAuth }       from './context/AuthContext'
 import { setProfileId }                from './utils/api'
@@ -40,21 +40,32 @@ import VitalsPage from './pages/VitalsPage'
 import GoalsPage from './pages/GoalsPage'
 import CustomGoalsPage from './pages/CustomGoalsPage'
 import WorkflowEditorPage from './pages/WorkflowEditorPage'
+import DesktopSidebar from './components/DesktopSidebar'
+import { getMainNavItems } from './config/appNav'
 import './app.css'
 
-function Nav() {
-  const links = [
-    { to:'/',         icon:<LayoutDashboard size={20}/>, label:'Übersicht' },
-    { to:'/capture',  icon:<PlusSquare size={20}/>,      label:'Erfassen'  },
-    { to:'/history',  icon:<TrendingUp size={20}/>,      label:'Verlauf'   },
-    { to:'/analysis', icon:<BarChart2 size={20}/>,       label:'Analyse'   },
-    { to:'/settings', icon:<Settings size={20}/>,        label:'Einst.'    },
-  ]
+function navItemActive(pathname, item, routerIsActive) {
+  if (item.to.startsWith('/admin')) return pathname.startsWith('/admin')
+  return routerIsActive
+}
+
+function Nav({ isAdmin }) {
+  const items = getMainNavItems(isAdmin)
+  const loc = useLocation()
   return (
     <nav className="bottom-nav">
-      {links.map(l=>(
-        <NavLink key={l.to} to={l.to} end={l.to==='/'} className={({isActive})=>'nav-item'+(isActive?' active':'')}>
-          {l.icon}<span>{l.label}</span>
+      {items.map((item) => (
+        <NavLink
+          key={item.to}
+          to={item.to}
+          end={!!item.end}
+          className={({ isActive }) =>
+            'nav-item' +
+            (navItemActive(loc.pathname, item, isActive) ? ' active' : '')
+          }
+        >
+          <item.Icon size={20} strokeWidth={2} />
+          <span>{item.shortLabel || item.label}</span>
         </NavLink>
       ))}
     </nav>
@@ -62,9 +73,8 @@ function Nav() {
 }
 
 function AppShell() {
-  const { session, loading: authLoading, needsSetup, logout } = useAuth()
-  const { activeProfile, loading: profileLoading }    = useProfile()
-  const nav = useNavigate()
+  const { session, loading: authLoading, needsSetup, logout, isAdmin } = useAuth()
+  const { activeProfile, loading: profileLoading } = useProfile()
 
   const handleLogout = () => {
     if (confirm('Wirklich abmelden?')) {
@@ -136,36 +146,56 @@ function AppShell() {
 
   return (
     <div className="app-shell">
-      <header className="app-header">
-        <span className="app-logo">Mitai Jinkendo</span>
-        <div style={{display:'flex', gap:12, alignItems:'center'}}>
-          <button
-            onClick={handleLogout}
-            title="Abmelden"
-            style={{
-              background:'none',
-              border:'none',
-              cursor:'pointer',
-              padding:6,
-              display:'flex',
-              alignItems:'center',
-              color:'var(--text2)',
-              transition:'color 0.15s'
-            }}
-            onMouseEnter={e => e.currentTarget.style.color = '#D85A30'}
-            onMouseLeave={e => e.currentTarget.style.color = 'var(--text2)'}
-          >
-            <LogOut size={18}/>
-          </button>
-          <NavLink to="/settings" style={{textDecoration:'none'}}>
-            {activeProfile
-              ? <Avatar profile={activeProfile} size={30}/>
-              : <div style={{width:30,height:30,borderRadius:'50%',background:'var(--accent)'}}/>
-            }
-          </NavLink>
-        </div>
-      </header>
-      <main className="app-main">
+      <DesktopSidebar
+        isAdmin={isAdmin}
+        activeProfile={activeProfile}
+        sessionProfile={session?.profile}
+        onLogout={handleLogout}
+      />
+      <div className="app-shell__column">
+        <header className="app-header app-header--mobile">
+          <span className="app-logo">Mitai Jinkendo</span>
+          <div style={{ display: 'flex', gap: 12, alignItems: 'center' }}>
+            <button
+              type="button"
+              onClick={handleLogout}
+              title="Abmelden"
+              style={{
+                background: 'none',
+                border: 'none',
+                cursor: 'pointer',
+                padding: 6,
+                display: 'flex',
+                alignItems: 'center',
+                color: 'var(--text2)',
+                transition: 'color 0.15s'
+              }}
+              onMouseEnter={(e) => {
+                e.currentTarget.style.color = '#D85A30'
+              }}
+              onMouseLeave={(e) => {
+                e.currentTarget.style.color = 'var(--text2)'
+              }}
+            >
+              <LogOut size={18} />
+            </button>
+            <NavLink to="/settings" style={{ textDecoration: 'none' }}>
+              {activeProfile ? (
+                <Avatar profile={activeProfile} size={30} />
+              ) : (
+                <div
+                  style={{
+                    width: 30,
+                    height: 30,
+                    borderRadius: '50%',
+                    background: 'var(--accent)'
+                  }}
+                />
+              )}
+            </NavLink>
+          </div>
+        </header>
+        <main className="app-main">
         <Routes>
           <Route path="/"          element={<Dashboard/>}/>
           <Route path="/capture"   element={<CaptureHub/>}/>
@@ -198,8 +228,9 @@ function AppShell() {
           <Route path="/workflow-editor/:id" element={<WorkflowEditorPage/>}/>
           <Route path="/subscription" element={<SubscriptionPage/>}/>
         </Routes>
-      </main>
-      <Nav/>
+        </main>
+      </div>
+      <Nav isAdmin={isAdmin} />
     </div>
   )
 }
diff --git a/frontend/src/app.css b/frontend/src/app.css
index fd8581e..b572b16 100644
--- a/frontend/src/app.css
+++ b/frontend/src/app.css
@@ -158,3 +158,190 @@ body { font-family: var(--font); background: var(--bg); color: var(--text1); -we
 /* Header with profile avatar */
 .app-header { display:flex; align-items:center; justify-content:space-between; }
 .app-header a { display:flex; }
+
+/* ── Responsive shell: Desktop sidebar (≥1024px) — spec RESPONSIVE_UI.md ───── */
+.app-shell__column {
+  display: flex;
+  flex-direction: column;
+  flex: 1;
+  min-width: 0;
+  min-height: 0;
+}
+
+.desktop-sidebar {
+  display: none;
+  flex-direction: column;
+  width: 220px;
+  height: 100vh;
+  position: fixed;
+  left: 0;
+  top: 0;
+  z-index: 30;
+  background: var(--surface);
+  border-right: 1px solid var(--border);
+  padding: 16px 0 16px;
+}
+
+.desktop-sidebar__brand {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 0 16px 20px;
+  border-bottom: 1px solid var(--border);
+  margin-bottom: 12px;
+}
+
+.desktop-sidebar__logo {
+  width: 40px;
+  height: 40px;
+  border-radius: 50%;
+  border: 3px solid var(--accent);
+  flex-shrink: 0;
+  opacity: 0.85;
+}
+
+.desktop-sidebar__title {
+  font-size: 15px;
+  font-weight: 700;
+  color: var(--accent);
+  letter-spacing: -0.02em;
+  line-height: 1.2;
+}
+
+.desktop-sidebar__nav {
+  display: flex;
+  flex-direction: column;
+  gap: 2px;
+  flex: 1;
+  overflow-y: auto;
+  padding: 0 0 12px;
+}
+
+.desktop-sidebar__link {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 10px 16px 10px 13px;
+  text-decoration: none;
+  color: var(--text2);
+  font-size: 14px;
+  font-weight: 500;
+  border-left: 3px solid transparent;
+  border-radius: 0 8px 8px 0;
+  transition: background 0.15s, color 0.15s;
+}
+
+.desktop-sidebar__link:hover {
+  background: var(--surface2);
+  color: var(--text1);
+}
+
+.desktop-sidebar__link.desktop-sidebar__link--active {
+  background: var(--accent-light);
+  color: var(--accent);
+  border-left-color: var(--accent);
+}
+
+.desktop-sidebar__footer {
+  border-top: 1px solid var(--border);
+  padding: 16px 12px 0;
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.desktop-sidebar__user {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  flex: 1;
+  min-width: 0;
+  text-decoration: none;
+  color: inherit;
+}
+
+.desktop-sidebar__user-text {
+  display: flex;
+  flex-direction: column;
+  min-width: 0;
+}
+
+.desktop-sidebar__user-name {
+  font-size: 13px;
+  font-weight: 600;
+  color: var(--text1);
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.desktop-sidebar__user-tier {
+  font-size: 11px;
+  color: var(--text3);
+  text-transform: lowercase;
+}
+
+.desktop-sidebar__logout {
+  flex-shrink: 0;
+  background: none;
+  border: none;
+  padding: 8px;
+  cursor: pointer;
+  color: var(--text3);
+  border-radius: 8px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.desktop-sidebar__logout:hover {
+  color: var(--danger);
+  background: rgba(216, 90, 48, 0.08);
+}
+
+@media (max-width: 1023px) {
+  .app-shell {
+    display: flex;
+    flex-direction: column;
+    height: 100%;
+    max-width: 600px;
+    margin: 0 auto;
+  }
+}
+
+@media (min-width: 1024px) {
+  .app-shell {
+    display: block;
+    max-width: none;
+    margin: 0;
+    width: 100%;
+    min-height: 100%;
+  }
+
+  .desktop-sidebar {
+    display: flex;
+  }
+
+  .app-shell__column {
+    margin-left: 220px;
+    min-height: 100vh;
+  }
+
+  .app-header--mobile {
+    display: none !important;
+  }
+
+  .bottom-nav {
+    display: none !important;
+  }
+
+  .app-main {
+    padding: 24px 32px 32px;
+    padding-bottom: max(32px, env(safe-area-inset-bottom, 0px));
+    max-width: 1200px;
+    margin-left: auto;
+    margin-right: auto;
+    width: 100%;
+    box-sizing: border-box;
+  }
+}
diff --git a/frontend/src/components/DesktopSidebar.jsx b/frontend/src/components/DesktopSidebar.jsx
new file mode 100644
index 0000000..e185045
--- /dev/null
+++ b/frontend/src/components/DesktopSidebar.jsx
@@ -0,0 +1,84 @@
+import { NavLink, useLocation } from 'react-router-dom'
+import { LogOut } from 'lucide-react'
+import { Avatar } from '../pages/ProfileSelect'
+import { getMainNavItems } from '../config/appNav'
+
+function sidebarLinkActive(pathname, item, routerIsActive) {
+  if (item.to.startsWith('/admin')) return pathname.startsWith('/admin')
+  return routerIsActive
+}
+
+/**
+ * Desktop-Sidebar (≥1024px) — Sichtbarkeit via CSS (.desktop-sidebar).
+ */
+export default function DesktopSidebar({
+  isAdmin,
+  activeProfile,
+  sessionProfile,
+  onLogout
+}) {
+  const loc = useLocation()
+  const items = getMainNavItems(isAdmin)
+  const tier = (activeProfile && activeProfile.tier) || sessionProfile?.tier || ''
+
+  return (
+    <aside className="desktop-sidebar" aria-label="Hauptnavigation">
+      <div className="desktop-sidebar__brand">
+        <div className="desktop-sidebar__logo" aria-hidden />
+        <div className="desktop-sidebar__title">Mitai Jinkendo</div>
+      </div>
+
+      <nav className="desktop-sidebar__nav">
+        {items.map((item) => (
+          <NavLink
+            key={item.to}
+            to={item.to}
+            end={!!item.end}
+            className={({ isActive }) =>
+              'desktop-sidebar__link' +
+              (sidebarLinkActive(loc.pathname, item, isActive)
+                ? ' desktop-sidebar__link--active'
+                : '')
+            }
+          >
+            <item.Icon size={20} strokeWidth={2} />
+            <span>{item.label}</span>
+          </NavLink>
+        ))}
+      </nav>
+
+      <div className="desktop-sidebar__footer">
+        <NavLink to="/settings" className="desktop-sidebar__user">
+          {activeProfile ? (
+            <Avatar profile={activeProfile} size={32} />
+          ) : (
+            <div
+              style={{
+                width: 32,
+                height: 32,
+                borderRadius: '50%',
+                background: 'var(--accent)'
+              }}
+            />
+          )}
+          <div className="desktop-sidebar__user-text">
+            <span className="desktop-sidebar__user-name">
+              {activeProfile?.name || 'Profil'}
+            </span>
+            {tier ? (
+              <span className="desktop-sidebar__user-tier">{tier}</span>
+            ) : null}
+          </div>
+        </NavLink>
+        <button
+          type="button"
+          className="desktop-sidebar__logout"
+          onClick={onLogout}
+          title="Abmelden"
+        >
+          <LogOut size={18} />
+        </button>
+      </div>
+    </aside>
+  )
+}
diff --git a/frontend/src/config/appNav.js b/frontend/src/config/appNav.js
new file mode 100644
index 0000000..6902e82
--- /dev/null
+++ b/frontend/src/config/appNav.js
@@ -0,0 +1,43 @@
+import {
+  LayoutDashboard,
+  PlusSquare,
+  TrendingUp,
+  BarChart2,
+  Settings,
+  Shield
+} from 'lucide-react'
+
+/**
+ * Eine Quelle für Hauptnavigation (Bottom-Nav + Desktop-Sidebar).
+ * @typedef {{ to: string, label: string, shortLabel?: string, end?: boolean, Icon: import('react').ForwardRefExoticComponent }} AppNavItem
+ */
+
+/** @returns {Omit<AppNavItem, 'Icon'>[]} */
+function baseItems() {
+  return [
+    { to: '/', label: 'Übersicht', end: true },
+    { to: '/capture', label: 'Erfassen' },
+    { to: '/history', label: 'Verlauf' },
+    { to: '/analysis', label: 'Analyse' },
+    { to: '/settings', label: 'Einstellungen', shortLabel: 'Einst.' }
+  ]
+}
+
+/** @param {boolean} isAdmin */
+export function getMainNavItems(isAdmin) {
+  const icons = [
+    LayoutDashboard,
+    PlusSquare,
+    TrendingUp,
+    BarChart2,
+    Settings
+  ]
+  const raw = baseItems().map((item, i) => ({
+    ...item,
+    Icon: icons[i]
+  }))
+  if (isAdmin) {
+    raw.push({ to: '/admin/features', label: 'Admin', Icon: Shield })
+  }
+  return raw
+}