Web-UI: professionelles Redesign (Icons statt Emojis) + neue Features

Design:
- Neues Icon-Set (Inline-SVG, Feather-Stil), keine Emojis mehr
- Kohaerentes Design-System (Sidebar-Layout, Palette, Spacing, Light/Dark)
- Alle Seiten ueberarbeitet (Login, Dashboard, Produkte, Formular, Ein-/Auslagern,
  Lagerorte, Benutzer, Einkaufsliste)

Neue Features:
- Gruppen-Verwaltung (anlegen/bearbeiten/loeschen, Produktzahl + Bestand,
  Gruppen-Mindestbestand) inkl. Einkaufsliste
- Einfache Gruppen-Auto-Zuordnung aus OFF-Kategorie im Produktformular
- Verlauf-Seite (Bewegungen: wer/was/wann) via neuem /movements-Endpoint
- Einstellungen-Seite (Ablauf-Warnfrist)
- Lagerorte mit optional uebergeordnetem Ort (verschachtelbar)

Backend:
- groups: PATCH + Anreicherung (product_count, stock)
- views: /shopping-list/groups, /movements
- schemas: GroupUpdate, GroupShoppingItem, MovementOut

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

backend/app/routers/groups.py

@@ -3,17 +3,27 @@ from sqlalchemy.orm import Session
 
 from ..database import get_db
 from ..deps import get_current_user, require_admin
-from ..models import Group, User
-from ..schemas import GroupCreate, GroupOut
+from ..models import Group, Product, User
+from ..schemas import GroupCreate, GroupOut, GroupUpdate
+from ..services.stock import current_stock
 
 router = APIRouter(prefix="/groups", tags=["groups"])
 
 
+def _group_to_out(db: Session, group: Group) -> GroupOut:
+    out = GroupOut.model_validate(group)
+    products = db.query(Product).filter(Product.group_id == group.id).all()
+    out.product_count = len(products)
+    out.stock = float(sum(current_stock(db, p.id) for p in products))
+    return out
+
+
 @router.get("", response_model=list[GroupOut])
 def list_groups(
     db: Session = Depends(get_db), _: User = Depends(get_current_user)
-) -> list[Group]:
-    return db.query(Group).order_by(Group.name).all()
+) -> list[GroupOut]:
+    groups = db.query(Group).order_by(Group.name).all()
+    return [_group_to_out(db, g) for g in groups]
 
 
 @router.post("", response_model=GroupOut, status_code=status.HTTP_201_CREATED)
@@ -21,14 +31,40 @@ def create_group(
     payload: GroupCreate,
     db: Session = Depends(get_db),
     _: User = Depends(require_admin),
-) -> Group:
+) -> GroupOut:
     if db.query(Group).filter(Group.name == payload.name).first():
         raise HTTPException(status.HTTP_409_CONFLICT, "Gruppe existiert bereits")
     group = Group(name=payload.name, min_stock=payload.min_stock)
     db.add(group)
     db.commit()
     db.refresh(group)
-    return group
+    return _group_to_out(db, group)
+
+
+@router.patch("/{group_id}", response_model=GroupOut)
+def update_group(
+    group_id: int,
+    payload: GroupUpdate,
+    db: Session = Depends(get_db),
+    _: User = Depends(require_admin),
+) -> GroupOut:
+    group = db.get(Group, group_id)
+    if group is None:
+        raise HTTPException(status.HTTP_404_NOT_FOUND, "Gruppe nicht gefunden")
+    data = payload.model_dump(exclude_unset=True)
+    if "name" in data and data["name"]:
+        clash = (
+            db.query(Group)
+            .filter(Group.name == data["name"], Group.id != group_id)
+            .first()
+        )
+        if clash:
+            raise HTTPException(status.HTTP_409_CONFLICT, "Name bereits vergeben")
+    for field, value in data.items():
+        setattr(group, field, value)
+    db.commit()
+    db.refresh(group)
+    return _group_to_out(db, group)
 
 
 @router.delete("/{group_id}", status_code=status.HTTP_204_NO_CONTENT)

backend/app/routers/views.py

@@ -5,8 +5,8 @@ from sqlalchemy.orm import Session
 
 from ..database import get_db
 from ..deps import get_current_user
-from ..models import Lot, Product, User
-from ..schemas import ExpiringItem, ShoppingItem
+from ..models import Group, Lot, Movement, Product, User
+from ..schemas import ExpiringItem, GroupShoppingItem, MovementOut, ShoppingItem
 from ..services.stock import current_stock
 from .settings import get_expiry_warning_days
 
@@ -41,6 +41,37 @@ def shopping_list(
     return items
 
 
+@router.get("/shopping-list/groups", response_model=list[GroupShoppingItem])
+def group_shopping_list(
+    db: Session = Depends(get_db), _: User = Depends(get_current_user)
+) -> list[GroupShoppingItem]:
+    """Gruppen, deren Gesamtbestand unter dem Gruppen-Mindestbestand liegt.
+
+    Gruppen-Bestand = Summe der Produktbestände in der Gruppe (in Basiseinheiten).
+    Sinnvoll, wenn die Produkte einer Gruppe dieselbe Basiseinheit teilen.
+    """
+    items: list[GroupShoppingItem] = []
+    groups = (
+        db.query(Group).filter(Group.min_stock.isnot(None), Group.min_stock > 0).all()
+    )
+    for group in groups:
+        products = db.query(Product).filter(Product.group_id == group.id).all()
+        stock = float(sum(current_stock(db, p.id) for p in products))
+        if stock < group.min_stock:
+            items.append(
+                GroupShoppingItem(
+                    group_id=group.id,
+                    name=group.name,
+                    stock=stock,
+                    min_stock=group.min_stock,
+                    deficit=group.min_stock - stock,
+                    product_count=len(products),
+                )
+            )
+    items.sort(key=lambda i: i.deficit, reverse=True)
+    return items
+
+
 @router.get("/expiring", response_model=list[ExpiringItem])
 def expiring(
     days: int | None = None,
@@ -74,3 +105,40 @@ def expiring(
             )
         )
     return result
+
+
+@router.get("/movements", response_model=list[MovementOut])
+def movements(
+    limit: int = 100,
+    product_id: int | None = None,
+    db: Session = Depends(get_db),
+    _: User = Depends(get_current_user),
+) -> list[MovementOut]:
+    """Bewegungsverlauf (wer hat wann was ein-/ausgelagert), neueste zuerst."""
+    limit = max(1, min(limit, 500))
+    query = (
+        db.query(Movement, Product, User)
+        .join(Product, Movement.product_id == Product.id)
+        .outerjoin(User, Movement.user_id == User.id)
+    )
+    if product_id is not None:
+        query = query.filter(Movement.product_id == product_id)
+    rows = query.order_by(Movement.created_at.desc(), Movement.id.desc()).limit(limit).all()
+
+    result: list[MovementOut] = []
+    for movement, product, user in rows:
+        result.append(
+            MovementOut(
+                id=movement.id,
+                product_id=product.id,
+                product_name=product.name,
+                type=movement.type.value,
+                quantity=movement.quantity,
+                base_unit=product.base_unit,
+                unit_used=movement.unit_used,
+                username=user.username if user else None,
+                note=movement.note,
+                created_at=movement.created_at,
+            )
+        )
+    return result

backend/app/schemas.py

@@ -40,11 +40,19 @@ class GroupOut(BaseModel):
     id: int
     name: str
     min_stock: float | None = None
+    # angereichert:
+    product_count: int = 0
+    stock: float = 0.0
 
 
 class GroupCreate(BaseModel):
     name: str = Field(min_length=1, max_length=120)
-    min_stock: float | None = None
+    min_stock: float | None = Field(default=None, ge=0)
+
+
+class GroupUpdate(BaseModel):
+    name: str | None = Field(default=None, min_length=1, max_length=120)
+    min_stock: float | None = Field(default=None, ge=0)
 
 
 # ---- Locations ----
@@ -169,6 +177,28 @@ class ExpiringItem(BaseModel):
     days_left: int
 
 
+class GroupShoppingItem(BaseModel):
+    group_id: int
+    name: str
+    stock: float
+    min_stock: float
+    deficit: float
+    product_count: int
+
+
+class MovementOut(BaseModel):
+    id: int
+    product_id: int
+    product_name: str
+    type: str
+    quantity: float
+    base_unit: BaseUnit
+    unit_used: str
+    username: str | None
+    note: str | None
+    created_at: datetime
+
+
 class SettingOut(BaseModel):
     key: str
     value: str

web/src/App.jsx

@@ -1,16 +1,31 @@
 import { NavLink, Navigate, Route, Routes, useNavigate } from "react-router-dom";
 import { useAuth } from "./auth";
+import Icon from "./components/Icon";
 import Login from "./pages/Login";
 import Dashboard from "./pages/Dashboard";
 import Products from "./pages/Products";
 import ProductForm from "./pages/ProductForm";
 import CheckIn from "./pages/CheckIn";
 import CheckOut from "./pages/CheckOut";
+import Groups from "./pages/Groups";
 import Locations from "./pages/Locations";
 import Users from "./pages/Users";
 import ShoppingList from "./pages/ShoppingList";
+import History from "./pages/History";
+import Settings from "./pages/Settings";
 
-function Layout({ children }) {
+const navClass = ({ isActive }) => (isActive ? "nav-link active" : "nav-link");
+
+function NavItem({ to, icon, label, end }) {
+  return (
+    <NavLink to={to} end={end} className={navClass}>
+      <Icon name={icon} size={17} />
+      <span className="label">{label}</span>
+    </NavLink>
+  );
+}
+
+function Sidebar() {
   const { user, isAdmin, logout } = useAuth();
   const navigate = useNavigate();
 
@@ -19,39 +34,55 @@ function Layout({ children }) {
     navigate("/login");
   }
 
-  const link = ({ isActive }) => (isActive ? "nav-link active" : "nav-link");
-
   return (
-    <div className="app">
-      <header className="topbar">
-        <div className="brand">🥫 Project-Good</div>
-        <nav className="nav">
-          <NavLink to="/" end className={link}>Übersicht</NavLink>
-          <NavLink to="/checkin" className={link}>Einlagern</NavLink>
-          <NavLink to="/checkout" className={link}>Auslagern</NavLink>
-          <NavLink to="/products" className={link}>Produkte</NavLink>
-          <NavLink to="/shopping" className={link}>Einkaufsliste</NavLink>
-          {isAdmin && <NavLink to="/locations" className={link}>Lagerorte</NavLink>}
-          {isAdmin && <NavLink to="/users" className={link}>Benutzer</NavLink>}
-        </nav>
-        <div className="userbox">
-          <span className="username">
-            {user?.username} {isAdmin && <span className="badge">Admin</span>}
-          </span>
-          <button className="btn ghost" onClick={handleLogout}>Abmelden</button>
+    <aside className="sidebar">
+      <div className="sidebar-brand">
+        <span className="mark"><Icon name="box" size={18} /></span>
+        Project-Good
+      </div>
+      <nav className="sidebar-nav">
+        <NavItem to="/" end icon="dashboard" label="Übersicht" />
+        <NavItem to="/checkin" icon="checkin" label="Einlagern" />
+        <NavItem to="/checkout" icon="checkout" label="Auslagern" />
+        <NavItem to="/products" icon="package" label="Produkte" />
+        <NavItem to="/groups" icon="tag" label="Gruppen" />
+        <NavItem to="/shopping" icon="cart" label="Einkaufsliste" />
+        <NavItem to="/history" icon="history" label="Verlauf" />
+        {isAdmin && (
+          <>
+            <div className="nav-section">Verwaltung</div>
+            <NavItem to="/locations" icon="location" label="Lagerorte" />
+            <NavItem to="/users" icon="users" label="Benutzer" />
+            <NavItem to="/settings" icon="settings" label="Einstellungen" />
+          </>
+        )}
+      </nav>
+      <div className="sidebar-foot">
+        <div className="sidebar-user">
+          <span className="name">{user?.username}</span>
+          <span className="role">{isAdmin ? "Administrator" : "Benutzer"}</span>
         </div>
-      </header>
-      <main className="content">{children}</main>
-    </div>
+        <button className="btn-icon" onClick={handleLogout} title="Abmelden">
+          <Icon name="logout" size={18} />
+        </button>
+      </div>
+    </aside>
   );
 }
 
 function Protected({ children, adminOnly = false }) {
   const { user, isAdmin, loading } = useAuth();
-  if (loading) return <div className="center muted">Lädt…</div>;
+  if (loading) return <div className="center muted" style={{ padding: 60 }}>Lädt…</div>;
   if (!user) return <Navigate to="/login" replace />;
   if (adminOnly && !isAdmin) return <Navigate to="/" replace />;
-  return <Layout>{children}</Layout>;
+  return (
+    <div className="app-shell">
+      <Sidebar />
+      <div className="main">
+        <div className="content">{children}</div>
+      </div>
+    </div>
+  );
 }
 
 export default function App() {
@@ -69,9 +100,12 @@ export default function App() {
       <Route path="/products" element={<Protected><Products /></Protected>} />
       <Route path="/products/new" element={<Protected adminOnly><ProductForm /></Protected>} />
       <Route path="/products/:id" element={<Protected><ProductForm /></Protected>} />
+      <Route path="/groups" element={<Protected><Groups /></Protected>} />
       <Route path="/shopping" element={<Protected><ShoppingList /></Protected>} />
+      <Route path="/history" element={<Protected><History /></Protected>} />
       <Route path="/locations" element={<Protected adminOnly><Locations /></Protected>} />
       <Route path="/users" element={<Protected adminOnly><Users /></Protected>} />
+      <Route path="/settings" element={<Protected adminOnly><Settings /></Protected>} />
       <Route path="*" element={<Navigate to="/" replace />} />
     </Routes>
   );

web/src/api.js

@@ -90,7 +90,9 @@ export const api = {
 
   // Views
   shoppingList: () => request("/shopping-list"),
+  groupShoppingList: () => request("/shopping-list/groups"),
   expiring: (days) => request(`/expiring${days != null ? `?days=${days}` : ""}`),
+  listMovements: (limit) => request(`/movements${limit ? `?limit=${limit}` : ""}`),
 
   // Stammdaten
   listLocations: () => request("/locations"),
@@ -99,6 +101,8 @@ export const api = {
 
   listGroups: () => request("/groups"),
   createGroup: (body) => request("/groups", { method: "POST", body }),
+  updateGroup: (id, body) => request(`/groups/${id}`, { method: "PATCH", body }),
+  deleteGroup: (id) => request(`/groups/${id}`, { method: "DELETE" }),
 
   // Benutzer
   listUsers: () => request("/users"),

web/src/components/Icon.jsx

@@ -0,0 +1,144 @@
+// Schlankes Inline-SVG-Icon-Set (Feather-Stil). Bewusst keine Emojis.
+// Verwendung: <Icon name="package" /> oder <Icon name="trash" size={16} />
+
+const PATHS = {
+  dashboard: (
+    <>
+      <rect x="3" y="3" width="7" height="9" rx="1" />
+      <rect x="14" y="3" width="7" height="5" rx="1" />
+      <rect x="14" y="12" width="7" height="9" rx="1" />
+      <rect x="3" y="16" width="7" height="5" rx="1" />
+    </>
+  ),
+  checkin: (
+    <>
+      <path d="M12 3v12" />
+      <path d="m7 10 5 5 5-5" />
+      <path d="M5 21h14" />
+    </>
+  ),
+  checkout: (
+    <>
+      <path d="M12 21V9" />
+      <path d="m7 14 5-5 5 5" />
+      <path d="M5 3h14" />
+    </>
+  ),
+  package: (
+    <>
+      <path d="m7.5 4.27 9 5.15" />
+      <path d="M21 8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16Z" />
+      <path d="m3.3 7 8.7 5 8.7-5" />
+      <path d="M12 22V12" />
+    </>
+  ),
+  tag: (
+    <>
+      <path d="M12.586 2.586A2 2 0 0 0 11.172 2H4a2 2 0 0 0-2 2v7.172a2 2 0 0 0 .586 1.414l8.704 8.704a2.426 2.426 0 0 0 3.42 0l6.58-6.58a2.426 2.426 0 0 0 0-3.42z" />
+      <circle cx="7.5" cy="7.5" r=".5" fill="currentColor" />
+    </>
+  ),
+  location: (
+    <>
+      <path d="M20 10c0 4.993-5.539 10.193-7.399 11.799a1 1 0 0 1-1.202 0C9.539 20.193 4 14.993 4 10a8 8 0 0 1 16 0" />
+      <circle cx="12" cy="10" r="3" />
+    </>
+  ),
+  cart: (
+    <>
+      <circle cx="8" cy="21" r="1" />
+      <circle cx="19" cy="21" r="1" />
+      <path d="M2.05 2.05h2l2.66 12.42a2 2 0 0 0 2 1.58h9.78a2 2 0 0 0 1.95-1.57l1.65-7.43H5.12" />
+    </>
+  ),
+  users: (
+    <>
+      <path d="M16 21v-2a4 4 0 0 0-4-4H6a4 4 0 0 0-4 4v2" />
+      <circle cx="9" cy="7" r="4" />
+      <path d="M22 21v-2a4 4 0 0 0-3-3.87" />
+      <path d="M16 3.13a4 4 0 0 1 0 7.75" />
+    </>
+  ),
+  clock: (
+    <>
+      <circle cx="12" cy="12" r="9" />
+      <path d="M12 7v5l3 2" />
+    </>
+  ),
+  history: (
+    <>
+      <path d="M3 12a9 9 0 1 0 3-6.7L3 8" />
+      <path d="M3 3v5h5" />
+      <path d="M12 7v5l3 2" />
+    </>
+  ),
+  settings: (
+    <>
+      <path d="M12.22 2h-.44a2 2 0 0 0-2 2v.18a2 2 0 0 1-1 1.73l-.43.25a2 2 0 0 1-2 0l-.15-.08a2 2 0 0 0-2.73.73l-.22.38a2 2 0 0 0 .73 2.73l.15.1a2 2 0 0 1 1 1.72v.51a2 2 0 0 1-1 1.74l-.15.09a2 2 0 0 0-.73 2.73l.22.38a2 2 0 0 0 2.73.73l.15-.08a2 2 0 0 1 2 0l.43.25a2 2 0 0 1 1 1.73V20a2 2 0 0 0 2 2h.44a2 2 0 0 0 2-2v-.18a2 2 0 0 1 1-1.73l.43-.25a2 2 0 0 1 2 0l.15.08a2 2 0 0 0 2.73-.73l.22-.39a2 2 0 0 0-.73-2.73l-.15-.08a2 2 0 0 1-1-1.74v-.5a2 2 0 0 1 1-1.74l.15-.09a2 2 0 0 0 .73-2.73l-.22-.38a2 2 0 0 0-2.73-.73l-.15.08a2 2 0 0 1-2 0l-.43-.25a2 2 0 0 1-1-1.73V4a2 2 0 0 0-2-2z" />
+      <circle cx="12" cy="12" r="3" />
+    </>
+  ),
+  logout: (
+    <>
+      <path d="M9 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h4" />
+      <path d="m16 17 5-5-5-5" />
+      <path d="M21 12H9" />
+    </>
+  ),
+  search: (
+    <>
+      <circle cx="11" cy="11" r="7" />
+      <path d="m21 21-4.3-4.3" />
+    </>
+  ),
+  plus: <path d="M5 12h14M12 5v14" />,
+  trash: (
+    <>
+      <path d="M3 6h18" />
+      <path d="M8 6V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2" />
+      <path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6" />
+      <path d="M10 11v6M14 11v6" />
+    </>
+  ),
+  edit: (
+    <>
+      <path d="M12 20h9" />
+      <path d="M16.5 3.5a2.12 2.12 0 0 1 3 3L7 19l-4 1 1-4Z" />
+    </>
+  ),
+  alert: (
+    <>
+      <path d="m21.73 18-8-14a2 2 0 0 0-3.48 0l-8 14A2 2 0 0 0 4 21h16a2 2 0 0 0 1.73-3" />
+      <path d="M12 9v4M12 17h.01" />
+    </>
+  ),
+  check: <path d="M20 6 9 17l-5-5" />,
+  chevronRight: <path d="m9 18 6-6-6-6" />,
+  box: (
+    <>
+      <path d="M21 8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16Z" />
+    </>
+  ),
+};
+
+export default function Icon({ name, size = 18, className = "", strokeWidth = 2 }) {
+  const path = PATHS[name];
+  if (!path) return null;
+  return (
+    <svg
+      className={`icon ${className}`}
+      width={size}
+      height={size}
+      viewBox="0 0 24 24"
+      fill="none"
+      stroke="currentColor"
+      strokeWidth={strokeWidth}
+      strokeLinecap="round"
+      strokeLinejoin="round"
+      aria-hidden="true"
+      focusable="false"
+    >
+      {path}
+    </svg>
+  );
+}

web/src/pages/CheckIn.jsx

@@ -2,6 +2,7 @@ import { useEffect, useState } from "react";
 import { Link } from "react-router-dom";
 import { api } from "../api";
 import { useAuth } from "../auth";
+import Icon from "../components/Icon";
 import { fmt, unitOptions, unitShort } from "../units";
 
 export default function CheckIn() {
@@ -30,8 +31,7 @@ export default function CheckIn() {
     setProduct(p);
     setResults([]);
     setUnknownBarcode(null);
-    const opts = unitOptions(p);
-    setUnit(opts[0].value);
+    setUnit(unitOptions(p)[0].value);
   }
 
   async function doLookup() {
@@ -44,7 +44,6 @@ export default function CheckIn() {
         setInfo(`Produkt erkannt: ${res.existing_product.name}`);
       } else {
         setUnknownBarcode(barcode.trim());
-        setInfo(null);
       }
     } catch (err) {
       setError(err.message);
@@ -84,36 +83,40 @@ export default function CheckIn() {
 
   return (
     <div>
-      <div className="page-head"><h1>📥 Einlagern</h1></div>
-      {error && <div className="alert error">{error}</div>}
-      {info && <div className="alert info">{info}</div>}
+      <div className="page-head"><h1>Einlagern</h1></div>
+      {error && <div className="alert error"><Icon name="alert" size={16} />{error}</div>}
+      {info && <div className="alert ok"><Icon name="check" size={16} />{info}</div>}
 
       {!product && (
         <div className="grid-2">
           <div className="card">
-            <h2>Per Barcode</h2>
-            <div className="row">
-              <input className="grow" placeholder="Barcode" value={barcode}
-                onChange={(e) => setBarcode(e.target.value)}
-                onKeyDown={(e) => e.key === "Enter" && doLookup()} />
+            <div className="card-head"><Icon name="search" /><h2>Per Barcode</h2></div>
+            <div className="field-inline">
+              <label className="grow" style={{ margin: 0 }}>
+                <input placeholder="Barcode eingeben oder scannen" value={barcode}
+                  onChange={(e) => setBarcode(e.target.value)}
+                  onKeyDown={(e) => e.key === "Enter" && doLookup()} autoFocus />
+              </label>
               <button className="btn primary" onClick={doLookup}>Suchen</button>
             </div>
             {unknownBarcode && (
-              <div className="alert warn">
-                Barcode <strong>{unknownBarcode}</strong> ist unbekannt.{" "}
-                {isAdmin ? (
-                  <Link to={`/products/new`}>Produkt anlegen</Link>
-                ) : (
-                  "Bitte einen Administrator bitten, das Produkt anzulegen."
-                )}
+              <div className="alert warn" style={{ marginTop: "var(--sp-3)" }}>
+                <Icon name="alert" size={16} />
+                <span>
+                  Barcode <strong>{unknownBarcode}</strong> ist unbekannt.{" "}
+                  {isAdmin
+                    ? <Link to="/products/new">Produkt anlegen</Link>
+                    : "Bitte einen Administrator bitten, das Produkt anzulegen."}
+                </span>
               </div>
             )}
           </div>
           <div className="card">
-            <h2>Aus Produktliste</h2>
-            <form className="row" onSubmit={doSearch}>
-              <input className="grow" placeholder="Name suchen…" value={search}
-                onChange={(e) => setSearch(e.target.value)} />
+            <div className="card-head"><Icon name="package" /><h2>Aus Produktliste</h2></div>
+            <form className="field-inline" onSubmit={doSearch}>
+              <label className="grow" style={{ margin: 0 }}>
+                <input placeholder="Name suchen…" value={search} onChange={(e) => setSearch(e.target.value)} />
+              </label>
               <button className="btn">Suchen</button>
             </form>
             <ul className="picklist">
@@ -132,12 +135,12 @@ export default function CheckIn() {
       {product && (
         <form className="card form-narrow" onSubmit={submit}>
           <div className="selected-product">
-            {product.image_url && <img className="thumb" src={product.image_url} alt="" />}
-            <div>
-              <strong>{product.name}</strong>
-              <div className="muted">
-                Aktueller Bestand: {fmt(product.stock)} {unitShort(product.base_unit)}
-              </div>
+            {product.image_url
+              ? <img className="thumb" src={product.image_url} alt="" />
+              : <span className="thumb thumb-fallback"><Icon name="box" size={16} /></span>}
+            <div className="info">
+              <div className="title">{product.name}</div>
+              <div className="muted small">Bestand: {fmt(product.stock)} {unitShort(product.base_unit)}</div>
             </div>
             <button type="button" className="btn ghost" onClick={() => setProduct(null)}>Ändern</button>
           </div>
@@ -151,15 +154,13 @@ export default function CheckIn() {
             <label className="grow">
               Einheit
               <select value={unit} onChange={(e) => setUnit(e.target.value)}>
-                {unitOptions(product).map((o) => (
-                  <option key={o.value} value={o.value}>{o.label}</option>
-                ))}
+                {unitOptions(product).map((o) => <option key={o.value} value={o.value}>{o.label}</option>)}
               </select>
             </label>
           </div>
           <div className="row">
             <label className="grow">
-              MHD (optional)
+              Mindesthaltbarkeit (optional)
               <input type="date" value={bestBefore} onChange={(e) => setBestBefore(e.target.value)} />
             </label>
             <label className="grow">
@@ -170,7 +171,7 @@ export default function CheckIn() {
               </select>
             </label>
           </div>
-          <button className="btn primary" disabled={busy}>{busy ? "…" : "Einlagern"}</button>
+          <button className="btn primary" disabled={busy}><Icon name="checkin" size={16} />{busy ? "…" : "Einlagern"}</button>
         </form>
       )}
     </div>

web/src/pages/CheckOut.jsx

@@ -1,5 +1,6 @@
 import { useState } from "react";
 import { api } from "../api";
+import Icon from "../components/Icon";
 import { fmt, unitOptions, unitShort } from "../units";
 
 export default function CheckOut() {
@@ -54,7 +55,7 @@ export default function CheckOut() {
         quantity: Number(quantity),
         unit,
       });
-      setInfo(`Ausgelagert (${res.affected_lots.length} Charge(n) betroffen). Neuer Bestand: ${fmt(res.product_stock)} ${unitShort(product.base_unit)}`);
+      setInfo(`Ausgelagert (${res.affected_lots.length} Charge(n)). Neuer Bestand: ${fmt(res.product_stock)} ${unitShort(product.base_unit)}`);
       setQuantity("");
       setProduct(await api.getProduct(product.id));
     } catch (err) {
@@ -66,26 +67,29 @@ export default function CheckOut() {
 
   return (
     <div>
-      <div className="page-head"><h1>📤 Auslagern</h1></div>
-      {error && <div className="alert error">{error}</div>}
-      {info && <div className="alert info">{info}</div>}
+      <div className="page-head"><h1>Auslagern</h1></div>
+      {error && <div className="alert error"><Icon name="alert" size={16} />{error}</div>}
+      {info && <div className="alert ok"><Icon name="check" size={16} />{info}</div>}
 
       {!product && (
         <div className="grid-2">
           <div className="card">
-            <h2>Per Barcode</h2>
-            <div className="row">
-              <input className="grow" placeholder="Barcode" value={barcode}
-                onChange={(e) => setBarcode(e.target.value)}
-                onKeyDown={(e) => e.key === "Enter" && doLookup()} />
+            <div className="card-head"><Icon name="search" /><h2>Per Barcode</h2></div>
+            <div className="field-inline">
+              <label className="grow" style={{ margin: 0 }}>
+                <input placeholder="Barcode eingeben oder scannen" value={barcode}
+                  onChange={(e) => setBarcode(e.target.value)}
+                  onKeyDown={(e) => e.key === "Enter" && doLookup()} autoFocus />
+              </label>
               <button className="btn primary" onClick={doLookup}>Suchen</button>
             </div>
           </div>
           <div className="card">
-            <h2>Aus Produktliste</h2>
-            <form className="row" onSubmit={doSearch}>
-              <input className="grow" placeholder="Name suchen…" value={search}
-                onChange={(e) => setSearch(e.target.value)} />
+            <div className="card-head"><Icon name="package" /><h2>Aus Produktliste</h2></div>
+            <form className="field-inline" onSubmit={doSearch}>
+              <label className="grow" style={{ margin: 0 }}>
+                <input placeholder="Name suchen…" value={search} onChange={(e) => setSearch(e.target.value)} />
+              </label>
               <button className="btn">Suchen</button>
             </form>
             <ul className="picklist">
@@ -104,12 +108,12 @@ export default function CheckOut() {
       {product && (
         <form className="card form-narrow" onSubmit={submit}>
           <div className="selected-product">
-            {product.image_url && <img className="thumb" src={product.image_url} alt="" />}
-            <div>
-              <strong>{product.name}</strong>
-              <div className="muted">
-                Verfügbar: {fmt(product.stock)} {unitShort(product.base_unit)}
-              </div>
+            {product.image_url
+              ? <img className="thumb" src={product.image_url} alt="" />
+              : <span className="thumb thumb-fallback"><Icon name="box" size={16} /></span>}
+            <div className="info">
+              <div className="title">{product.name}</div>
+              <div className="muted small">Verfügbar: {fmt(product.stock)} {unitShort(product.base_unit)}</div>
             </div>
             <button type="button" className="btn ghost" onClick={() => setProduct(null)}>Ändern</button>
           </div>
@@ -123,16 +127,14 @@ export default function CheckOut() {
             <label className="grow">
               Einheit
               <select value={unit} onChange={(e) => setUnit(e.target.value)}>
-                {unitOptions(product).map((o) => (
-                  <option key={o.value} value={o.value}>{o.label}</option>
-                ))}
+                {unitOptions(product).map((o) => <option key={o.value} value={o.value}>{o.label}</option>)}
               </select>
             </label>
           </div>
-          <p className="muted small">
+          <p className="muted small mt-0">
             Es wird automatisch die zuerst ablaufende Charge zuerst entnommen (FEFO).
           </p>
-          <button className="btn primary" disabled={busy}>{busy ? "…" : "Auslagern"}</button>
+          <button className="btn primary" disabled={busy}><Icon name="checkout" size={16} />{busy ? "…" : "Auslagern"}</button>
         </form>
       )}
     </div>

web/src/pages/Dashboard.jsx

@@ -1,19 +1,26 @@
 import { useEffect, useState } from "react";
 import { Link } from "react-router-dom";
 import { api } from "../api";
+import Icon from "../components/Icon";
 import { fmt, unitShort } from "../units";
 
 export default function Dashboard() {
   const [expiring, setExpiring] = useState([]);
   const [shopping, setShopping] = useState([]);
+  const [groupShopping, setGroupShopping] = useState([]);
   const [error, setError] = useState(null);
 
   useEffect(() => {
     async function load() {
       try {
-        const [e, s] = await Promise.all([api.expiring(), api.shoppingList()]);
+        const [e, s, g] = await Promise.all([
+          api.expiring(),
+          api.shoppingList(),
+          api.groupShoppingList(),
+        ]);
         setExpiring(e);
         setShopping(s);
+        setGroupShopping(g);
       } catch (err) {
         setError(err.message);
       }
@@ -21,61 +28,100 @@ export default function Dashboard() {
     load();
   }, []);
 
+  const overdue = expiring.filter((e) => e.days_left < 0).length;
+
   return (
     <div>
       <div className="page-head">
-        <h1>Übersicht</h1>
+        <div>
+          <h1>Übersicht</h1>
+          <div className="sub">Bestand, Ablauf und Bedarf auf einen Blick</div>
+        </div>
         <div className="actions">
-          <Link className="btn primary" to="/checkin">Einlagern</Link>
-          <Link className="btn" to="/checkout">Auslagern</Link>
+          <Link className="btn primary" to="/checkin"><Icon name="checkin" size={16} />Einlagern</Link>
+          <Link className="btn" to="/checkout"><Icon name="checkout" size={16} />Auslagern</Link>
+        </div>
+      </div>
+
+      {error && <div className="alert error"><Icon name="alert" size={16} />{error}</div>}
+
+      <div className="stat-row">
+        <div className="stat">
+          <div className="stat-label"><Icon name="clock" size={14} />Bald ablaufend</div>
+          <div className="stat-value">{expiring.length}</div>
+        </div>
+        <div className="stat">
+          <div className="stat-label"><Icon name="alert" size={14} />Überfällig</div>
+          <div className="stat-value">{overdue}</div>
+        </div>
+        <div className="stat">
+          <div className="stat-label"><Icon name="cart" size={14} />Nachzukaufen</div>
+          <div className="stat-value">{shopping.length + groupShopping.length}</div>
         </div>
       </div>
-      {error && <div className="alert error">{error}</div>}
 
       <div className="grid-2">
         <section className="card">
-          <h2>⏰ Bald ablaufend</h2>
+          <div className="card-head"><Icon name="clock" />
+            <h2>Bald ablaufend</h2>
+          </div>
           {expiring.length === 0 ? (
-            <p className="muted">Nichts läuft demnächst ab. 🎉</p>
+            <div className="empty">Nichts läuft demnächst ab.</div>
           ) : (
-            <table className="table">
-              <thead>
-                <tr><th>Produkt</th><th>Menge</th><th>MHD</th><th>Tage</th></tr>
-              </thead>
-              <tbody>
-                {expiring.map((it) => (
-                  <tr key={it.lot_id} className={it.days_left < 0 ? "row-danger" : it.days_left <= 2 ? "row-warn" : ""}>
-                    <td>{it.product_name}</td>
-                    <td>{fmt(it.quantity)} {unitShort(it.base_unit)}</td>
-                    <td>{it.best_before}</td>
-                    <td>{it.days_left < 0 ? `${-it.days_left} überf.` : it.days_left}</td>
-                  </tr>
-                ))}
-              </tbody>
-            </table>
+            <div className="table-wrap">
+              <table className="table">
+                <thead>
+                  <tr><th>Produkt</th><th className="num">Menge</th><th>MHD</th><th className="num">Tage</th></tr>
+                </thead>
+                <tbody>
+                  {expiring.map((it) => (
+                    <tr key={it.lot_id} className={it.days_left < 0 ? "row-danger" : it.days_left <= 2 ? "row-warn" : ""}>
+                      <td>{it.product_name}</td>
+                      <td className="num">{fmt(it.quantity)} {unitShort(it.base_unit)}</td>
+                      <td>{it.best_before}</td>
+                      <td className="num">
+                        {it.days_left < 0
+                          ? <span className="badge danger">{-it.days_left}d überf.</span>
+                          : it.days_left}
+                      </td>
+                    </tr>
+                  ))}
+                </tbody>
+              </table>
+            </div>
           )}
         </section>
 
         <section className="card">
-          <h2>🛒 Einkaufsliste</h2>
-          {shopping.length === 0 ? (
-            <p className="muted">Alle Mindestbestände erreicht. 👍</p>
+          <div className="card-head"><Icon name="cart" />
+            <h2>Einkaufsliste</h2>
+          </div>
+          {shopping.length === 0 && groupShopping.length === 0 ? (
+            <div className="empty">Alle Mindestbestände erreicht.</div>
           ) : (
-            <table className="table">
-              <thead>
-                <tr><th>Produkt</th><th>Bestand</th><th>Mindest</th><th>Fehlt</th></tr>
-              </thead>
-              <tbody>
-                {shopping.map((it) => (
-                  <tr key={it.product_id}>
-                    <td>{it.name}</td>
-                    <td>{fmt(it.stock)} {unitShort(it.base_unit)}</td>
-                    <td>{fmt(it.min_stock)}</td>
-                    <td className="strong">{fmt(it.deficit)} {unitShort(it.base_unit)}</td>
-                  </tr>
-                ))}
-              </tbody>
-            </table>
+            <div className="table-wrap">
+              <table className="table">
+                <thead>
+                  <tr><th>Bedarf</th><th className="num">Bestand</th><th className="num">Fehlt</th></tr>
+                </thead>
+                <tbody>
+                  {groupShopping.map((it) => (
+                    <tr key={`g${it.group_id}`}>
+                      <td><span className="badge accent">Gruppe</span> {it.name}</td>
+                      <td className="num">{fmt(it.stock)}</td>
+                      <td className="num strong">{fmt(it.deficit)}</td>
+                    </tr>
+                  ))}
+                  {shopping.map((it) => (
+                    <tr key={`p${it.product_id}`}>
+                      <td>{it.name}</td>
+                      <td className="num">{fmt(it.stock)} {unitShort(it.base_unit)}</td>
+                      <td className="num strong">{fmt(it.deficit)} {unitShort(it.base_unit)}</td>
+                    </tr>
+                  ))}
+                </tbody>
+              </table>
+            </div>
           )}
         </section>
       </div>

web/src/pages/Groups.jsx

@@ -0,0 +1,133 @@
+import { useEffect, useState } from "react";
+import { api } from "../api";
+import { useAuth } from "../auth";
+import Icon from "../components/Icon";
+import { fmt } from "../units";
+
+export default function Groups() {
+  const { isAdmin } = useAuth();
+  const [groups, setGroups] = useState([]);
+  const [name, setName] = useState("");
+  const [minStock, setMinStock] = useState("");
+  const [error, setError] = useState(null);
+
+  async function load() {
+    try {
+      setGroups(await api.listGroups());
+    } catch (err) {
+      setError(err.message);
+    }
+  }
+
+  useEffect(() => { load(); }, []);
+
+  async function add(e) {
+    e.preventDefault();
+    setError(null);
+    try {
+      await api.createGroup({ name, min_stock: minStock === "" ? null : Number(minStock) });
+      setName("");
+      setMinStock("");
+      load();
+    } catch (err) {
+      setError(err.message);
+    }
+  }
+
+  async function saveMin(group, value) {
+    try {
+      await api.updateGroup(group.id, { min_stock: value === "" ? null : Number(value) });
+      load();
+    } catch (err) {
+      setError(err.message);
+    }
+  }
+
+  async function remove(group) {
+    if (!confirm(`Gruppe "${group.name}" löschen? Produkte bleiben erhalten, verlieren aber die Gruppenzuordnung.`)) return;
+    try {
+      await api.deleteGroup(group.id);
+      load();
+    } catch (err) {
+      setError(err.message);
+    }
+  }
+
+  return (
+    <div>
+      <div className="page-head">
+        <div>
+          <h1>Gruppen</h1>
+          <div className="sub">Fasse Produkte zusammen (z.B. Nudeln, Mehl) und setze einen Gruppen-Mindestbestand</div>
+        </div>
+      </div>
+      {error && <div className="alert error"><Icon name="alert" size={16} />{error}</div>}
+
+      <div className="grid-2">
+        <div className="card" style={{ padding: 0 }}>
+          <div className="table-wrap">
+            <table className="table">
+              <thead>
+                <tr><th>Gruppe</th><th className="num">Produkte</th><th className="num">Bestand</th><th>Mindestbestand</th><th></th></tr>
+              </thead>
+              <tbody>
+                {groups.map((g) => {
+                  const low = g.min_stock != null && g.stock < g.min_stock;
+                  return (
+                    <tr key={g.id}>
+                      <td className="strong">
+                        {g.name}
+                        {low && <span className="badge warn" style={{ marginLeft: 6 }}>niedrig</span>}
+                      </td>
+                      <td className="num muted">{g.product_count}</td>
+                      <td className="num">{fmt(g.stock)}</td>
+                      <td>
+                        {isAdmin ? (
+                          <input type="number" step="any" defaultValue={g.min_stock ?? ""}
+                            style={{ maxWidth: 110, marginTop: 0 }}
+                            onBlur={(e) => {
+                              const v = e.target.value;
+                              if (v !== String(g.min_stock ?? "")) saveMin(g, v);
+                            }} />
+                        ) : (g.min_stock != null ? fmt(g.min_stock) : "–")}
+                      </td>
+                      <td className="num">
+                        {isAdmin && (
+                          <button className="btn-icon danger" onClick={() => remove(g)} title="Löschen">
+                            <Icon name="trash" size={16} />
+                          </button>
+                        )}
+                      </td>
+                    </tr>
+                  );
+                })}
+                {groups.length === 0 && <tr><td colSpan={5} className="empty">Noch keine Gruppen.</td></tr>}
+              </tbody>
+            </table>
+          </div>
+        </div>
+
+        {isAdmin && (
+          <form className="card" onSubmit={add}>
+            <div className="card-head"><Icon name="tag" /><h2>Neue Gruppe</h2></div>
+            <label>
+              Name
+              <input placeholder="z.B. Nudeln" value={name} onChange={(e) => setName(e.target.value)} required />
+            </label>
+            <label>
+              Mindestbestand (optional)
+              <input type="number" step="any" value={minStock} onChange={(e) => setMinStock(e.target.value)}
+                placeholder="Gesamtmenge über alle Produkte der Gruppe" />
+            </label>
+            <button className="btn primary"><Icon name="plus" size={16} />Anlegen</button>
+            <p className="muted small">
+              Produkte ordnest du einer Gruppe im jeweiligen Produkt-Formular zu.
+              Der Gruppen-Bestand ist die Summe der Produktbestände – sinnvoll, wenn
+              die Produkte dieselbe Basiseinheit haben.
+            </p>
+          </form>
+        )}
+      </div>
+    </div>
+  );
+}

web/src/pages/History.jsx

@@ -0,0 +1,62 @@
+import { useEffect, useState } from "react";
+import { api } from "../api";
+import Icon from "../components/Icon";
+import { fmt, unitShort } from "../units";
+
+const TYPE_LABEL = { in: "Eingelagert", out: "Ausgelagert", adjust: "Korrektur" };
+
+export default function History() {
+  const [movements, setMovements] = useState([]);
+  const [error, setError] = useState(null);
+
+  useEffect(() => {
+    api.listMovements(150).then(setMovements).catch((e) => setError(e.message));
+  }, []);
+
+  return (
+    <div>
+      <div className="page-head">
+        <div>
+          <h1>Verlauf</h1>
+          <div className="sub">Wer hat wann was ein- und ausgelagert</div>
+        </div>
+      </div>
+      {error && <div className="alert error"><Icon name="alert" size={16} />{error}</div>}
+
+      <div className="card" style={{ padding: 0 }}>
+        <div className="table-wrap">
+          <table className="table">
+            <thead>
+              <tr>
+                <th>Zeitpunkt</th>
+                <th>Aktion</th>
+                <th>Produkt</th>
+                <th className="num">Menge</th>
+                <th>Benutzer</th>
+              </tr>
+            </thead>
+            <tbody>
+              {movements.map((m) => (
+                <tr key={m.id}>
+                  <td className="muted">{new Date(m.created_at).toLocaleString("de-DE")}</td>
+                  <td>
+                    <span className={`badge ${m.type === "in" ? "ok" : m.type === "out" ? "warn" : ""}`}>
+                      <Icon name={m.type === "in" ? "checkin" : m.type === "out" ? "checkout" : "edit"} size={13} />
+                      {TYPE_LABEL[m.type] || m.type}
+                    </span>
+                  </td>
+                  <td>{m.product_name}</td>
+                  <td className="num">{fmt(m.quantity)} {unitShort(m.base_unit)}</td>
+                  <td className="muted">{m.username || "–"}</td>
+                </tr>
+              ))}
+              {movements.length === 0 && (
+                <tr><td colSpan={5} className="empty">Noch keine Bewegungen.</td></tr>
+              )}
+            </tbody>
+          </table>
+        </div>
+      </div>
+    </div>
+  );
+}

web/src/pages/Locations.jsx

@@ -1,9 +1,11 @@
 import { useEffect, useState } from "react";
 import { api } from "../api";
+import Icon from "../components/Icon";
 
 export default function Locations() {
   const [locations, setLocations] = useState([]);
   const [name, setName] = useState("");
+  const [parentId, setParentId] = useState("");
   const [error, setError] = useState(null);
 
   async function load() {
@@ -20,8 +22,9 @@ export default function Locations() {
     e.preventDefault();
     setError(null);
     try {
-      await api.createLocation({ name });
+      await api.createLocation({ name, parent_id: parentId === "" ? null : Number(parentId) });
       setName("");
+      setParentId("");
       load();
     } catch (err) {
       setError(err.message);
@@ -29,7 +32,7 @@ export default function Locations() {
   }
 
   async function remove(id) {
-    if (!confirm("Lagerort löschen?")) return;
+    if (!confirm("Lagerort löschen? Untergeordnete Orte werden dann übergeordnet.")) return;
     try {
       await api.deleteLocation(id);
       load();
@@ -38,29 +41,66 @@ export default function Locations() {
     }
   }
 
+  const nameById = Object.fromEntries(locations.map((l) => [l.id, l.name]));
+  const roots = locations.filter((l) => !l.parent_id || !nameById[l.parent_id]);
+  const childrenOf = (pid) => locations.filter((l) => l.parent_id === pid);
+  const ordered = [];
+  for (const r of roots) {
+    ordered.push({ ...r, depth: 0 });
+    for (const c of childrenOf(r.id)) ordered.push({ ...c, depth: 1 });
+  }
+
   return (
     <div>
-      <div className="page-head"><h1>Lagerorte</h1></div>
-      {error && <div className="alert error">{error}</div>}
+      <div className="page-head">
+        <div>
+          <h1>Lagerorte</h1>
+          <div className="sub">Orte lassen sich verschachteln (z.B. Keller → Regal 2 → Fach A)</div>
+        </div>
+      </div>
+      {error && <div className="alert error"><Icon name="alert" size={16} />{error}</div>}
+
       <div className="card form-narrow">
-        <form className="row" onSubmit={add}>
-          <input className="grow" placeholder="Neuer Lagerort (z.B. Speisekammer)" value={name}
-            onChange={(e) => setName(e.target.value)} required />
-          <button className="btn primary">Hinzufügen</button>
+        <form onSubmit={add}>
+          <div className="row">
+            <label className="grow">
+              Name
+              <input placeholder="z.B. Speisekammer oder Regal 2" value={name}
+                onChange={(e) => setName(e.target.value)} required />
+            </label>
+            <label className="grow">
+              Übergeordneter Lagerort (optional)
+              <select value={parentId} onChange={(e) => setParentId(e.target.value)}>
+                <option value="">– keiner (oberste Ebene) –</option>
+                {locations.map((l) => (
+                  <option key={l.id} value={l.id}>
+                    {l.parent_id && nameById[l.parent_id] ? `${nameById[l.parent_id]} → ` : ""}{l.name}
+                  </option>
+                ))}
+              </select>
+            </label>
+          </div>
+          <button className="btn primary"><Icon name="plus" size={16} />Hinzufügen</button>
         </form>
+
         <ul className="simple-list">
-          {locations.map((l) => (
+          {ordered.map((l) => (
             <li key={l.id}>
-              <span>{l.name}</span>
-              <button className="btn ghost danger" onClick={() => remove(l.id)}>Löschen</button>
+              <span className={l.depth ? "tree-child" : ""} style={{ display: "flex", alignItems: "center", gap: 8 }}>
+                <Icon name="location" size={15} className="muted" />
+                {l.name}
+                {l.depth > 0 && l.parent_id && nameById[l.parent_id] && (
+                  <span className="badge">in {nameById[l.parent_id]}</span>
+                )}
+              </span>
+              <button className="btn-icon danger" onClick={() => remove(l.id)} title="Löschen">
+                <Icon name="trash" size={16} />
+              </button>
             </li>
           ))}
-          {locations.length === 0 && <li className="muted">Noch keine Lagerorte.</li>}
+          {locations.length === 0 && <li className="empty">Noch keine Lagerorte.</li>}
         </ul>
       </div>
-      <p className="muted small">
-        Unterlagerorte (Regal / Fach) folgen in einem späteren Ausbauschritt.
-      </p>
     </div>
   );
 }

web/src/pages/Login.jsx

@@ -1,6 +1,7 @@
 import { useState } from "react";
 import { useNavigate } from "react-router-dom";
 import { useAuth } from "../auth";
+import Icon from "../components/Icon";
 
 export default function Login() {
   const { login } = useAuth();
@@ -27,9 +28,14 @@ export default function Login() {
   return (
     <div className="login-wrap">
       <form className="card login-card" onSubmit={onSubmit}>
-        <div className="brand big">🥫 Project-Good</div>
-        <p className="muted">Lebensmittel-Lagerverwaltung</p>
-        {error && <div className="alert error">{error}</div>}
+        <div className="sidebar-brand">
+          <span className="mark"><Icon name="box" size={18} /></span>
+          Project-Good
+        </div>
+        <p className="lead">Lebensmittel-Lagerverwaltung</p>
+        {error && (
+          <div className="alert error"><Icon name="alert" size={16} />{error}</div>
+        )}
         <label>
           Benutzername
           <input value={username} onChange={(e) => setUsername(e.target.value)} autoFocus />
@@ -38,7 +44,7 @@ export default function Login() {
           Passwort
           <input type="password" value={password} onChange={(e) => setPassword(e.target.value)} />
         </label>
-        <button className="btn primary" disabled={busy}>
+        <button className="btn primary" disabled={busy} style={{ width: "100%", justifyContent: "center" }}>
           {busy ? "Anmelden…" : "Anmelden"}
         </button>
       </form>

web/src/pages/ProductForm.jsx

@@ -2,19 +2,28 @@ import { useEffect, useState } from "react";
 import { useNavigate, useParams } from "react-router-dom";
 import { api } from "../api";
 import { useAuth } from "../auth";
+import Icon from "../components/Icon";
 import { BASE_UNITS, fmt, unitShort } from "../units";
 
 const EMPTY = {
-  barcode: "",
-  name: "",
-  brand: "",
-  image_url: "",
-  base_unit: "piece",
-  package_size: "",
-  min_stock: "",
-  group_id: "",
+  barcode: "", name: "", brand: "", image_url: "",
+  base_unit: "piece", package_size: "", min_stock: "", group_id: "",
 };
 
+// Versucht, aus einem OFF-Kategorietext eine vorhandene Gruppe zu erraten.
+function guessGroup(groups, suggestion) {
+  if (!suggestion) return "";
+  const haystack = [
+    suggestion.category_suggestion || "",
+    ...(suggestion.category_tags || []),
+    suggestion.name || "",
+  ]
+    .join(" ")
+    .toLowerCase();
+  const hit = groups.find((g) => haystack.includes(g.name.toLowerCase()));
+  return hit ? String(hit.id) : "";
+}
+
 export default function ProductForm() {
   const { id } = useParams();
   const isNew = !id;
@@ -37,13 +46,9 @@ export default function ProductForm() {
           const p = await api.getProduct(id);
           setProduct(p);
           setForm({
-            barcode: p.barcode || "",
-            name: p.name,
-            brand: p.brand || "",
-            image_url: p.image_url || "",
-            base_unit: p.base_unit,
-            package_size: p.package_size ?? "",
-            min_stock: p.min_stock ?? "",
+            barcode: p.barcode || "", name: p.name, brand: p.brand || "",
+            image_url: p.image_url || "", base_unit: p.base_unit,
+            package_size: p.package_size ?? "", min_stock: p.min_stock ?? "",
             group_id: p.group_id ?? "",
           });
           setLots(await api.listLots(id));
@@ -71,14 +76,19 @@ export default function ProductForm() {
         navigate(`/products/${res.existing_product.id}`);
       } else if (res.found && res.suggestion) {
         const s = res.suggestion;
+        const groupGuess = guessGroup(groups, s);
         setForm((f) => ({
           ...f,
           name: s.name || f.name,
           brand: s.brand || f.brand,
           image_url: s.image_url || f.image_url,
           base_unit: s.base_unit || f.base_unit,
+          group_id: f.group_id || groupGuess,
         }));
-        setInfo("Vorschlag von Open Food Facts übernommen.");
+        setInfo(
+          "Daten von Open Food Facts übernommen." +
+            (groupGuess ? " Passende Gruppe vorgeschlagen." : "")
+        );
       } else {
         setInfo("Barcode unbekannt – bitte Daten selbst eingeben.");
       }
@@ -135,21 +145,26 @@ export default function ProductForm() {
   return (
     <div>
       <div className="page-head">
-        <h1>{isNew ? "Neues Produkt" : form.name || "Produkt"}</h1>
+        <div>
+          <h1>{isNew ? "Neues Produkt" : form.name || "Produkt"}</h1>
+          {!isNew && <div className="sub">Bestand: {fmt(product?.stock)} {unitShort(form.base_unit)}</div>}
+        </div>
+        <button className="btn ghost" onClick={() => navigate("/products")}>Zurück</button>
       </div>
-      {error && <div className="alert error">{error}</div>}
-      {info && <div className="alert info">{info}</div>}
+
+      {error && <div className="alert error"><Icon name="alert" size={16} />{error}</div>}
+      {info && <div className="alert info"><Icon name="check" size={16} />{info}</div>}
 
       <div className="grid-2">
         <form className="card" onSubmit={save}>
-          <div className="row">
+          <div className="field-inline">
             <label className="grow">
               Barcode
               <input value={form.barcode} onChange={(e) => set("barcode", e.target.value)} disabled={readOnly} />
             </label>
             {isAdmin && (
-              <button type="button" className="btn" onClick={lookup} style={{ alignSelf: "flex-end" }}>
-                Nachschlagen
+              <button type="button" className="btn" onClick={lookup}>
+                <Icon name="search" size={16} />Nachschlagen
               </button>
             )}
           </div>
@@ -165,21 +180,18 @@ export default function ProductForm() {
             <label className="grow">
               Basiseinheit
               <select value={form.base_unit} onChange={(e) => set("base_unit", e.target.value)} disabled={readOnly}>
-                {BASE_UNITS.map((u) => (
-                  <option key={u.value} value={u.value}>{u.label}</option>
-                ))}
+                {BASE_UNITS.map((u) => <option key={u.value} value={u.value}>{u.label}</option>)}
               </select>
             </label>
             <label className="grow">
-              Packungsgröße (in Basiseinheit)
+              Packungsgröße
               <input type="number" step="any" value={form.package_size}
-                onChange={(e) => set("package_size", e.target.value)} disabled={readOnly}
-                placeholder="z.B. 500" />
+                onChange={(e) => set("package_size", e.target.value)} disabled={readOnly} placeholder="z.B. 500" />
             </label>
           </div>
           <div className="row">
             <label className="grow">
-              Mindestbestand (in Basiseinheit)
+              Mindestbestand
               <input type="number" step="any" value={form.min_stock}
                 onChange={(e) => set("min_stock", e.target.value)} disabled={readOnly} />
             </label>
@@ -187,39 +199,43 @@ export default function ProductForm() {
               Gruppe
               <select value={form.group_id} onChange={(e) => set("group_id", e.target.value)} disabled={readOnly}>
                 <option value="">– keine –</option>
-                {groups.map((g) => (
-                  <option key={g.id} value={g.id}>{g.name}</option>
-                ))}
+                {groups.map((g) => <option key={g.id} value={g.id}>{g.name}</option>)}
               </select>
             </label>
           </div>
 
           {isAdmin && (
-            <div className="row">
+            <div className="field-inline" style={{ marginTop: "var(--sp-2)" }}>
               <button className="btn primary" disabled={busy}>{busy ? "Speichern…" : "Speichern"}</button>
-              {!isNew && <button type="button" className="btn danger" onClick={remove}>Löschen</button>}
+              {!isNew && (
+                <button type="button" className="btn danger" onClick={remove}>
+                  <Icon name="trash" size={16} />Löschen
+                </button>
+              )}
             </div>
           )}
-          {readOnly && <p className="muted">Nur Administratoren können Produkte bearbeiten.</p>}
+          {readOnly && <p className="muted small mt-0">Nur Administratoren können Produkte bearbeiten.</p>}
         </form>
 
         {!isNew && (
           <section className="card">
-            <h2>Chargen (Bestand: {fmt(product?.stock)} {unitShort(form.base_unit)})</h2>
+            <div className="card-head"><Icon name="box" /><h2>Chargen im Bestand</h2></div>
             {form.image_url && <img className="product-img" src={form.image_url} alt="" />}
-            <table className="table">
-              <thead><tr><th>Menge</th><th>MHD</th><th>Eingelagert</th></tr></thead>
-              <tbody>
-                {lots.map((l) => (
-                  <tr key={l.id}>
-                    <td>{fmt(l.quantity)} {unitShort(form.base_unit)}</td>
-                    <td>{l.best_before || "–"}</td>
-                    <td className="muted">{new Date(l.created_at).toLocaleDateString("de-DE")}</td>
-                  </tr>
-                ))}
-                {lots.length === 0 && <tr><td colSpan={3} className="muted">Keine Chargen im Bestand.</td></tr>}
-              </tbody>
-            </table>
+            <div className="table-wrap">
+              <table className="table">
+                <thead><tr><th className="num">Menge</th><th>MHD</th><th>Eingelagert</th></tr></thead>
+                <tbody>
+                  {lots.map((l) => (
+                    <tr key={l.id}>
+                      <td className="num">{fmt(l.quantity)} {unitShort(form.base_unit)}</td>
+                      <td>{l.best_before || "–"}</td>
+                      <td className="muted">{new Date(l.created_at).toLocaleDateString("de-DE")}</td>
+                    </tr>
+                  ))}
+                  {lots.length === 0 && <tr><td colSpan={3} className="empty">Keine Chargen im Bestand.</td></tr>}
+                </tbody>
+              </table>
+            </div>
           </section>
         )}
       </div>

web/src/pages/Products.jsx

@@ -2,6 +2,7 @@ import { useEffect, useState } from "react";
 import { Link } from "react-router-dom";
 import { api } from "../api";
 import { useAuth } from "../auth";
+import Icon from "../components/Icon";
 import { fmt, unitShort } from "../units";
 
 export default function Products() {
@@ -31,50 +32,66 @@ export default function Products() {
   return (
     <div>
       <div className="page-head">
-        <h1>Produkte</h1>
-        {isAdmin && <Link className="btn primary" to="/products/new">+ Neues Produkt</Link>}
+        <div>
+          <h1>Produkte</h1>
+          <div className="sub">{products.length} Produkte im Katalog</div>
+        </div>
+        {isAdmin && (
+          <Link className="btn primary" to="/products/new"><Icon name="plus" size={16} />Neues Produkt</Link>
+        )}
       </div>
-      {error && <div className="alert error">{error}</div>}
 
-      <form className="search" onSubmit={onSearch}>
-        <input placeholder="Suchen…" value={q} onChange={(e) => setQ(e.target.value)} />
-        <button className="btn">Suchen</button>
+      {error && <div className="alert error"><Icon name="alert" size={16} />{error}</div>}
+
+      <form className="field-inline" style={{ marginBottom: "var(--sp-4)", maxWidth: 420 }} onSubmit={onSearch}>
+        <label className="grow" style={{ margin: 0 }}>
+          <input placeholder="Produkt suchen…" value={q} onChange={(e) => setQ(e.target.value)} />
+        </label>
+        <button className="btn"><Icon name="search" size={16} />Suchen</button>
       </form>
 
-      <div className="card">
-        <table className="table">
-          <thead>
-            <tr>
-              <th></th>
-              <th>Name</th>
-              <th>Marke</th>
-              <th>Basiseinheit</th>
-              <th>Bestand</th>
-              <th>Mindest</th>
-              <th></th>
-            </tr>
-          </thead>
-          <tbody>
-            {products.map((p) => (
-              <tr key={p.id}>
-                <td className="thumb-cell">
-                  {p.image_url ? <img className="thumb" src={p.image_url} alt="" /> : "📦"}
-                </td>
-                <td>{p.name}</td>
-                <td className="muted">{p.brand || "–"}</td>
-                <td>{unitShort(p.base_unit)}{p.package_size ? ` · Pkg ${p.package_size}` : ""}</td>
-                <td className={p.min_stock != null && p.stock < p.min_stock ? "strong row-warn-text" : ""}>
-                  {fmt(p.stock)} {unitShort(p.base_unit)}
-                </td>
-                <td className="muted">{p.min_stock != null ? fmt(p.min_stock) : "–"}</td>
-                <td><Link to={`/products/${p.id}`}>Details</Link></td>
+      <div className="card" style={{ padding: 0 }}>
+        <div className="table-wrap">
+          <table className="table">
+            <thead>
+              <tr>
+                <th></th>
+                <th>Name</th>
+                <th>Marke</th>
+                <th>Einheit</th>
+                <th className="num">Bestand</th>
+                <th className="num">Mindest</th>
+                <th></th>
               </tr>
-            ))}
-            {products.length === 0 && (
-              <tr><td colSpan={7} className="muted center">Keine Produkte.</td></tr>
-            )}
-          </tbody>
-        </table>
+            </thead>
+            <tbody>
+              {products.map((p) => {
+                const low = p.min_stock != null && p.stock < p.min_stock;
+                return (
+                  <tr key={p.id}>
+                    <td className="thumb-cell">
+                      {p.image_url
+                        ? <img className="thumb" src={p.image_url} alt="" />
+                        : <span className="thumb thumb-fallback"><Icon name="box" size={16} /></span>}
+                    </td>
+                    <td className="strong">{p.name}</td>
+                    <td className="muted">{p.brand || "–"}</td>
+                    <td>{unitShort(p.base_unit)}{p.package_size ? ` · Pkg ${fmt(p.package_size)}` : ""}</td>
+                    <td className="num">
+                      {fmt(p.stock)} {unitShort(p.base_unit)}
+                      {low && <span className="badge warn" style={{ marginLeft: 6 }}>niedrig</span>}
+                    </td>
+                    <td className="num muted">{p.min_stock != null ? fmt(p.min_stock) : "–"}</td>
+                    <td className="num"><Link to={`/products/${p.id}`}>Details</Link></td>
+                  </tr>
+                );
+              })}
+              {products.length === 0 && (
+                <tr><td colSpan={7} className="empty">Keine Produkte gefunden.</td></tr>
+              )}
+            </tbody>
+          </table>
+        </div>
       </div>
     </div>
   );

web/src/pages/Settings.jsx

@@ -0,0 +1,64 @@
+import { useEffect, useState } from "react";
+import { api } from "../api";
+import Icon from "../components/Icon";
+
+const EXPIRY_KEY = "expiry_warning_days";
+
+export default function Settings() {
+  const [days, setDays] = useState("");
+  const [error, setError] = useState(null);
+  const [info, setInfo] = useState(null);
+  const [busy, setBusy] = useState(false);
+
+  async function load() {
+    try {
+      const settings = await api.listSettings();
+      const row = settings.find((s) => s.key === EXPIRY_KEY);
+      setDays(row ? row.value : "7");
+    } catch (err) {
+      setError(err.message);
+    }
+  }
+
+  useEffect(() => { load(); }, []);
+
+  async function save(e) {
+    e.preventDefault();
+    setError(null); setInfo(null); setBusy(true);
+    try {
+      await api.setSetting(EXPIRY_KEY, String(parseInt(days, 10)));
+      setInfo("Gespeichert.");
+    } catch (err) {
+      setError(err.message);
+    } finally {
+      setBusy(false);
+    }
+  }
+
+  return (
+    <div>
+      <div className="page-head">
+        <div>
+          <h1>Einstellungen</h1>
+          <div className="sub">Allgemeine Konfiguration der Anwendung</div>
+        </div>
+      </div>
+      {error && <div className="alert error"><Icon name="alert" size={16} />{error}</div>}
+      {info && <div className="alert ok"><Icon name="check" size={16} />{info}</div>}
+
+      <form className="card form-narrow" onSubmit={save}>
+        <div className="card-head"><Icon name="clock" /><h2>Ablaufwarnung</h2></div>
+        <label>
+          Vorwarnzeit (Tage)
+          <input type="number" min="0" step="1" value={days}
+            onChange={(e) => setDays(e.target.value)} style={{ maxWidth: 160 }} />
+        </label>
+        <p className="muted small mt-0">
+          Chargen, deren Mindesthaltbarkeitsdatum innerhalb dieser Frist liegt (oder
+          bereits überschritten ist), erscheinen auf der Übersicht unter „Bald ablaufend".
+        </p>
+        <button className="btn primary" disabled={busy}>{busy ? "Speichern…" : "Speichern"}</button>
+      </form>
+    </div>
+  );
+}

web/src/pages/ShoppingList.jsx

@@ -1,46 +1,76 @@
 import { useEffect, useState } from "react";
 import { api } from "../api";
+import Icon from "../components/Icon";
 import { fmt, unitShort } from "../units";
 
 export default function ShoppingList() {
   const [items, setItems] = useState([]);
+  const [groups, setGroups] = useState([]);
   const [checked, setChecked] = useState({});
   const [error, setError] = useState(null);
 
   useEffect(() => {
-    api.shoppingList().then(setItems).catch((e) => setError(e.message));
+    Promise.all([api.shoppingList(), api.groupShoppingList()])
+      .then(([p, g]) => { setItems(p); setGroups(g); })
+      .catch((e) => setError(e.message));
   }, []);
 
+  const empty = items.length === 0 && groups.length === 0;
+
+  function toggle(key, val) {
+    setChecked((c) => ({ ...c, [key]: val }));
+  }
+
   return (
     <div>
-      <div className="page-head"><h1>🛒 Einkaufsliste</h1></div>
-      {error && <div className="alert error">{error}</div>}
-      <p className="muted">
-        Produkte, deren Bestand unter dem hinterlegten Mindestbestand liegt.
-      </p>
+      <div className="page-head">
+        <div>
+          <h1>Einkaufsliste</h1>
+          <div className="sub">Produkte und Gruppen unter ihrem Mindestbestand</div>
+        </div>
+      </div>
+      {error && <div className="alert error"><Icon name="alert" size={16} />{error}</div>}
+
       <div className="card">
-        {items.length === 0 ? (
-          <p className="muted">Alle Mindestbestände erreicht. 👍</p>
+        {empty ? (
+          <div className="empty">Alle Mindestbestände erreicht.</div>
         ) : (
           <ul className="checklist">
-            {items.map((it) => (
-              <li key={it.product_id} className={checked[it.product_id] ? "done" : ""}>
-                <label>
-                  <input type="checkbox" checked={!!checked[it.product_id]}
-                    onChange={(e) => setChecked({ ...checked, [it.product_id]: e.target.checked })} />
-                  <span className="item-name">{it.name}</span>
-                </label>
-                <span className="item-qty">
-                  fehlt <strong>{fmt(it.deficit)} {unitShort(it.base_unit)}</strong>
-                  <span className="muted"> (Bestand {fmt(it.stock)} / min {fmt(it.min_stock)})</span>
-                </span>
-              </li>
-            ))}
+            {groups.map((it) => {
+              const key = `g${it.group_id}`;
+              return (
+                <li key={key} className={checked[key] ? "done" : ""}>
+                  <label>
+                    <input type="checkbox" checked={!!checked[key]} onChange={(e) => toggle(key, e.target.checked)} />
+                    <span className="badge accent">Gruppe</span>
+                    <span className="item-name">{it.name}</span>
+                  </label>
+                  <span className="muted small">
+                    fehlt <strong>{fmt(it.deficit)}</strong> (Bestand {fmt(it.stock)} / min {fmt(it.min_stock)})
+                  </span>
+                </li>
+              );
+            })}
+            {items.map((it) => {
+              const key = `p${it.product_id}`;
+              return (
+                <li key={key} className={checked[key] ? "done" : ""}>
+                  <label>
+                    <input type="checkbox" checked={!!checked[key]} onChange={(e) => toggle(key, e.target.checked)} />
+                    <span className="item-name">{it.name}</span>
+                  </label>
+                  <span className="muted small">
+                    fehlt <strong>{fmt(it.deficit)} {unitShort(it.base_unit)}</strong>{" "}
+                    (Bestand {fmt(it.stock)} / min {fmt(it.min_stock)})
+                  </span>
+                </li>
+              );
+            })}
           </ul>
         )}
       </div>
       <p className="muted small">
-        Das Abhaken dient hier nur der Übersicht beim Einkaufen und wird (noch) nicht gespeichert.
+        Das Abhaken hilft beim Einkaufen und wird (noch) nicht dauerhaft gespeichert.
       </p>
     </div>
   );

web/src/pages/Users.jsx

@@ -1,6 +1,7 @@
 import { useEffect, useState } from "react";
 import { api } from "../api";
 import { useAuth } from "../auth";
+import Icon from "../components/Icon";
 
 export default function Users() {
   const { user: me } = useAuth();
@@ -53,38 +54,49 @@ export default function Users() {
 
   return (
     <div>
-      <div className="page-head"><h1>Benutzer</h1></div>
-      {error && <div className="alert error">{error}</div>}
-      {info && <div className="alert info">{info}</div>}
+      <div className="page-head">
+        <div>
+          <h1>Benutzer</h1>
+          <div className="sub">Administratoren verwalten alles, Benutzer lagern nur ein und aus</div>
+        </div>
+      </div>
+      {error && <div className="alert error"><Icon name="alert" size={16} />{error}</div>}
+      {info && <div className="alert ok"><Icon name="check" size={16} />{info}</div>}
 
       <div className="grid-2">
-        <div className="card">
-          <h2>Benutzer</h2>
-          <table className="table">
-            <thead><tr><th>Name</th><th>Rolle</th><th></th></tr></thead>
-            <tbody>
-              {users.map((u) => (
-                <tr key={u.id}>
-                  <td>{u.username}{u.id === me.id && <span className="muted"> (du)</span>}</td>
-                  <td>
-                    <select value={u.role} onChange={(e) => changeRole(u, e.target.value)} disabled={u.id === me.id}>
-                      <option value="user">Nutzer</option>
-                      <option value="admin">Admin</option>
-                    </select>
-                  </td>
-                  <td>
-                    {u.id !== me.id && (
-                      <button className="btn ghost danger" onClick={() => remove(u)}>Löschen</button>
-                    )}
-                  </td>
-                </tr>
-              ))}
-            </tbody>
-          </table>
+        <div className="card" style={{ padding: 0 }}>
+          <div className="table-wrap">
+            <table className="table">
+              <thead><tr><th>Name</th><th>Rolle</th><th></th></tr></thead>
+              <tbody>
+                {users.map((u) => (
+                  <tr key={u.id}>
+                    <td className="strong">
+                      {u.username}{u.id === me.id && <span className="muted"> (du)</span>}
+                    </td>
+                    <td>
+                      <select value={u.role} onChange={(e) => changeRole(u, e.target.value)}
+                        disabled={u.id === me.id} style={{ maxWidth: 150 }}>
+                        <option value="user">Benutzer</option>
+                        <option value="admin">Administrator</option>
+                      </select>
+                    </td>
+                    <td className="num">
+                      {u.id !== me.id && (
+                        <button className="btn-icon danger" onClick={() => remove(u)} title="Löschen">
+                          <Icon name="trash" size={16} />
+                        </button>
+                      )}
+                    </td>
+                  </tr>
+                ))}
+              </tbody>
+            </table>
+          </div>
         </div>
 
-        <form className="card form-narrow" onSubmit={add}>
-          <h2>Neuer Benutzer</h2>
+        <form className="card" onSubmit={add}>
+          <div className="card-head"><Icon name="users" /><h2>Neuer Benutzer</h2></div>
           <label>
             Benutzername
             <input value={form.username} onChange={(e) => setForm({ ...form, username: e.target.value })} required />
@@ -97,11 +109,11 @@ export default function Users() {
           <label>
             Rolle
             <select value={form.role} onChange={(e) => setForm({ ...form, role: e.target.value })}>
-              <option value="user">Nutzer (nur ein-/auslagern)</option>
-              <option value="admin">Admin (volle Verwaltung)</option>
+              <option value="user">Benutzer (nur ein-/auslagern)</option>
+              <option value="admin">Administrator (volle Verwaltung)</option>
             </select>
           </label>
-          <button className="btn primary">Anlegen</button>
+          <button className="btn primary"><Icon name="plus" size={16} />Anlegen</button>
         </form>
       </div>
     </div>

web/src/styles.css

@@ -1,185 +1,323 @@
 :root {
-  --bg: #f4f6f8;
-  --card: #ffffff;
-  --border: #e2e8f0;
-  --text: #1e293b;
-  --muted: #64748b;
-  --primary: #2f855a;
-  --primary-dark: #276749;
-  --danger: #c53030;
-  --warn: #b7791f;
-  --radius: 10px;
-  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
+  --bg: #f6f7f9;
+  --surface: #ffffff;
+  --surface-2: #f1f3f5;
+  --border: #e3e6ea;
+  --border-strong: #d1d6dc;
+  --text: #1a1f27;
+  --muted: #6b7480;
+  --accent: #3f51b5;
+  --accent-hover: #34429a;
+  --accent-soft: #eceefb;
+  --danger: #c0392b;
+  --danger-soft: #fbeceb;
+  --warn: #b06f14;
+  --warn-soft: #fbf3e6;
+  --ok: #2e7d55;
+
+  --radius: 7px;
+  --radius-sm: 5px;
+  --sp-1: 4px;
+  --sp-2: 8px;
+  --sp-3: 12px;
+  --sp-4: 16px;
+  --sp-5: 24px;
+  --sp-6: 32px;
+  --sidebar-w: 236px;
+  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);
+  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
 }
 
 * { box-sizing: border-box; }
 
+html, body { height: 100%; }
+
 body {
   margin: 0;
-  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
+  font-family: var(--font);
   background: var(--bg);
   color: var(--text);
-  font-size: 15px;
+  font-size: 14.5px;
+  line-height: 1.5;
+  -webkit-font-smoothing: antialiased;
 }
 
-a { color: var(--primary); }
+a { color: var(--accent); text-decoration: none; }
+a:hover { text-decoration: underline; }
 
-.app { min-height: 100vh; }
+h1 { font-size: 1.35rem; font-weight: 650; letter-spacing: -0.01em; margin: 0; }
+h2 { font-size: 0.95rem; font-weight: 650; margin: 0 0 var(--sp-3); letter-spacing: -0.005em; }
 
-/* Topbar */
-.topbar {
+.icon { flex: 0 0 auto; vertical-align: middle; }
+
+/* ---------- App shell ---------- */
+.app-shell { display: flex; min-height: 100vh; }
+
+.sidebar {
+  width: var(--sidebar-w);
+  flex: 0 0 var(--sidebar-w);
+  background: var(--surface);
+  border-right: 1px solid var(--border);
   display: flex;
-  align-items: center;
-  gap: 20px;
-  padding: 10px 20px;
-  background: var(--card);
-  border-bottom: 1px solid var(--border);
+  flex-direction: column;
   position: sticky;
   top: 0;
-  z-index: 10;
-  flex-wrap: wrap;
+  height: 100vh;
 }
-.brand { font-weight: 700; font-size: 20px; }
-.brand.big { font-size: 30px; }
-.nav { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
+.sidebar-brand {
+  display: flex;
+  align-items: center;
+  gap: var(--sp-2);
+  padding: var(--sp-5) var(--sp-4) var(--sp-4);
+  font-weight: 680;
+  font-size: 1.05rem;
+  letter-spacing: -0.01em;
+}
+.sidebar-brand .mark {
+  display: grid; place-items: center;
+  width: 28px; height: 28px; border-radius: var(--radius-sm);
+  background: var(--accent); color: #fff;
+}
+.sidebar-nav { display: flex; flex-direction: column; gap: 2px; padding: var(--sp-2); flex: 1; overflow-y: auto; }
 .nav-link {
-  padding: 7px 12px;
-  border-radius: 8px;
-  text-decoration: none;
+  display: flex; align-items: center; gap: var(--sp-3);
+  padding: 9px var(--sp-3);
+  border-radius: var(--radius-sm);
   color: var(--muted);
-  font-weight: 500;
+  font-weight: 520;
+  font-size: 0.9rem;
 }
-.nav-link:hover { background: var(--bg); }
-.nav-link.active { background: var(--primary); color: #fff; }
-.userbox { display: flex; align-items: center; gap: 10px; }
-.username { font-size: 14px; color: var(--muted); }
-.badge {
-  background: var(--primary); color: #fff; font-size: 11px;
-  padding: 1px 6px; border-radius: 6px; font-weight: 700;
+.nav-link:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
+.nav-link.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
+.nav-section {
+  padding: var(--sp-4) var(--sp-3) var(--sp-1);
+  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.06em;
+  text-transform: uppercase; color: var(--muted); opacity: 0.7;
 }
+.sidebar-foot {
+  border-top: 1px solid var(--border);
+  padding: var(--sp-3);
+  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-2);
+}
+.sidebar-user { display: flex; flex-direction: column; min-width: 0; }
+.sidebar-user .name { font-weight: 600; font-size: 0.85rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
+.sidebar-user .role { font-size: 0.72rem; color: var(--muted); }
 
-.content { max-width: 1000px; margin: 0 auto; padding: 24px 20px 60px; }
+.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
+.content { width: 100%; max-width: 1080px; margin: 0 auto; padding: var(--sp-6) var(--sp-5) 64px; }
 
 .page-head {
   display: flex; align-items: center; justify-content: space-between;
-  margin-bottom: 18px; gap: 12px; flex-wrap: wrap;
+  gap: var(--sp-3); margin-bottom: var(--sp-5); flex-wrap: wrap;
 }
-.page-head h1 { margin: 0; font-size: 24px; }
-.actions { display: flex; gap: 8px; }
+.page-head .sub { color: var(--muted); font-size: 0.9rem; margin-top: 2px; }
+.actions { display: flex; gap: var(--sp-2); }
 
-/* Cards & layout */
+/* ---------- Cards ---------- */
 .card {
-  background: var(--card);
+  background: var(--surface);
   border: 1px solid var(--border);
   border-radius: var(--radius);
-  padding: 18px;
+  padding: var(--sp-5);
   box-shadow: var(--shadow);
-  margin-bottom: 16px;
+  margin-bottom: var(--sp-4);
 }
-.card h2 { margin-top: 0; font-size: 17px; }
-.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
-.form-narrow { max-width: 560px; }
-@media (max-width: 760px) { .grid-2 { grid-template-columns: 1fr; } }
+.card-head { display: flex; align-items: center; gap: var(--sp-2); margin-bottom: var(--sp-4); }
+.card-head h2 { margin: 0; }
+.card-head .icon { color: var(--muted); }
+.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
+.form-narrow { max-width: 600px; }
+@media (max-width: 820px) { .grid-2 { grid-template-columns: 1fr; } }
 
-/* Forms */
-label { display: block; margin-bottom: 12px; font-size: 13px; color: var(--muted); font-weight: 600; }
+/* ---------- Forms ---------- */
+label { display: block; margin-bottom: var(--sp-4); font-size: 0.8rem; color: var(--muted); font-weight: 580; }
 input, select {
-  width: 100%;
-  margin-top: 4px;
-  padding: 9px 10px;
-  border: 1px solid var(--border);
-  border-radius: 8px;
-  font-size: 15px;
-  background: #fff;
-  color: var(--text);
+  width: 100%; margin-top: 5px;
+  padding: 8px 10px;
+  border: 1px solid var(--border-strong);
+  border-radius: var(--radius-sm);
+  font-size: 0.9rem; font-family: inherit;
+  background: var(--surface); color: var(--text);
+  transition: border-color .12s, box-shadow .12s;
 }
-input:focus, select:focus { outline: 2px solid var(--primary); border-color: var(--primary); }
-.row { display: flex; gap: 12px; align-items: flex-start; }
+input:focus, select:focus {
+  outline: none; border-color: var(--accent);
+  box-shadow: 0 0 0 3px var(--accent-soft);
+}
+input::placeholder { color: var(--muted); opacity: 0.7; }
+.row { display: flex; gap: var(--sp-3); align-items: flex-start; }
 .row .grow { flex: 1; }
-.search { display: flex; gap: 8px; margin-bottom: 16px; max-width: 480px; }
-.search input { margin-top: 0; }
+.field-inline { display: flex; gap: var(--sp-2); align-items: flex-end; }
 
-/* Buttons */
+/* ---------- Buttons ---------- */
 .btn {
-  display: inline-block;
-  padding: 9px 16px;
-  border: 1px solid var(--border);
-  background: #fff;
-  border-radius: 8px;
-  font-size: 14px;
-  font-weight: 600;
-  cursor: pointer;
-  text-decoration: none;
-  color: var(--text);
+  display: inline-flex; align-items: center; gap: var(--sp-2);
+  padding: 8px 14px;
+  border: 1px solid var(--border-strong);
+  background: var(--surface);
+  border-radius: var(--radius-sm);
+  font-size: 0.875rem; font-weight: 560; font-family: inherit;
+  cursor: pointer; color: var(--text);
+  transition: background .12s, border-color .12s, opacity .12s;
+  white-space: nowrap;
 }
-.btn:hover { background: var(--bg); }
-.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
-.btn.primary:hover { background: var(--primary-dark); }
-.btn.danger { color: var(--danger); border-color: var(--danger); }
-.btn.ghost { border-color: transparent; background: transparent; }
-.btn:disabled { opacity: 0.6; cursor: default; }
-.link-btn { background: none; border: none; color: var(--primary); cursor: pointer; font-size: 15px; padding: 4px 0; text-align: left; }
+.btn:hover { background: var(--surface-2); text-decoration: none; }
+.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
+.btn.primary:hover { background: var(--accent-hover); }
+.btn.danger { color: var(--danger); border-color: transparent; background: transparent; }
+.btn.danger:hover { background: var(--danger-soft); }
+.btn.ghost { border-color: transparent; background: transparent; color: var(--muted); }
+.btn.ghost:hover { background: var(--surface-2); color: var(--text); }
+.btn.sm { padding: 5px 9px; font-size: 0.8rem; }
+.btn:disabled { opacity: 0.55; cursor: default; }
+.btn-icon { padding: 6px; border-color: transparent; background: transparent; color: var(--muted); }
+.btn-icon:hover { background: var(--surface-2); color: var(--text); }
+.btn-icon.danger:hover { background: var(--danger-soft); color: var(--danger); }
+.link-btn { background: none; border: none; color: var(--accent); cursor: pointer; font: inherit; padding: 0; text-align: left; }
+.link-btn:hover { text-decoration: underline; }
 
-/* Tables */
-.table { width: 100%; border-collapse: collapse; font-size: 14px; }
-.table th, .table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
-.table th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
-.row-danger { background: #fff5f5; }
-.row-warn { background: #fffaf0; }
-.row-warn-text { color: var(--warn); }
-.strong { font-weight: 700; }
-.thumb-cell { width: 40px; }
-.thumb { width: 32px; height: 32px; object-fit: cover; border-radius: 6px; }
-.product-img { max-width: 160px; border-radius: 8px; margin-bottom: 10px; }
+/* ---------- Tables ---------- */
+.table-wrap { overflow-x: auto; }
+.table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
+.table th, .table td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); }
+.table thead th {
+  color: var(--muted); font-weight: 600; font-size: 0.72rem;
+  text-transform: uppercase; letter-spacing: 0.04em;
+  border-bottom: 1px solid var(--border-strong);
+}
+.table tbody tr:last-child td { border-bottom: none; }
+.table tbody tr:hover { background: var(--surface-2); }
+.num { text-align: right; font-variant-numeric: tabular-nums; }
+.strong { font-weight: 640; }
+.thumb-cell { width: 44px; }
+.thumb {
+  width: 34px; height: 34px; object-fit: cover;
+  border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--surface-2);
+}
+.thumb-fallback { display: grid; place-items: center; color: var(--muted); }
+.product-img { max-width: 150px; border-radius: var(--radius); border: 1px solid var(--border); margin-bottom: var(--sp-3); }
 
-/* Lists */
-.picklist, .simple-list, .checklist { list-style: none; padding: 0; margin: 10px 0 0; }
+/* ---------- Badges / pills ---------- */
+.badge {
+  display: inline-flex; align-items: center; gap: 4px;
+  font-size: 0.7rem; font-weight: 600; padding: 2px 7px; border-radius: 20px;
+  background: var(--surface-2); color: var(--muted);
+}
+.badge.accent { background: var(--accent-soft); color: var(--accent); }
+.badge.danger { background: var(--danger-soft); color: var(--danger); }
+.badge.warn { background: var(--warn-soft); color: var(--warn); }
+.badge.ok { background: #e6f4ec; color: var(--ok); }
+
+/* ---------- Lists ---------- */
+.simple-list, .picklist, .checklist { list-style: none; padding: 0; margin: var(--sp-3) 0 0; }
 .simple-list li, .checklist li {
   display: flex; align-items: center; justify-content: space-between;
-  padding: 9px 4px; border-bottom: 1px solid var(--border); gap: 10px;
+  padding: 10px 4px; border-bottom: 1px solid var(--border); gap: var(--sp-3);
 }
-.picklist li { padding: 6px 0; border-bottom: 1px solid var(--border); }
+.simple-list li:last-child, .checklist li:last-child { border-bottom: none; }
+.picklist li { padding: 0; border-bottom: 1px solid var(--border); }
+.picklist li:last-child { border-bottom: none; }
+.picklist .link-btn { display: block; width: 100%; padding: 9px 4px; }
+.picklist .link-btn:hover { text-decoration: none; background: var(--surface-2); }
+.checklist label { display: flex; align-items: center; gap: var(--sp-2); margin: 0; font-size: inherit; color: var(--text); }
+.checklist input[type="checkbox"] { width: auto; margin: 0; accent-color: var(--accent); }
 .checklist li.done .item-name { text-decoration: line-through; color: var(--muted); }
-.checklist label { display: flex; align-items: center; gap: 8px; margin: 0; }
-.checklist input[type="checkbox"] { width: auto; margin: 0; }
-.item-name { font-weight: 600; color: var(--text); }
+.item-name { font-weight: 560; }
 
-/* Alerts */
-.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 14px; }
-.alert.error { background: #fff5f5; color: var(--danger); border: 1px solid #feb2b2; }
-.alert.info { background: #ebf8ff; color: #2b6cb0; border: 1px solid #bee3f8; }
-.alert.warn { background: #fffaf0; color: var(--warn); border: 1px solid #fbd38d; }
-
-/* Selected product banner */
-.selected-product {
-  display: flex; align-items: center; gap: 12px;
-  padding: 10px; background: var(--bg); border-radius: 8px; margin-bottom: 16px;
+/* ---------- Alerts ---------- */
+.alert {
+  display: flex; align-items: flex-start; gap: var(--sp-2);
+  padding: 10px 14px; border-radius: var(--radius-sm); margin-bottom: var(--sp-4);
+  font-size: 0.875rem; border: 1px solid transparent;
 }
-.selected-product > div { flex: 1; }
+.alert .icon { margin-top: 1px; }
+.alert.error { background: var(--danger-soft); color: var(--danger); border-color: #f0c8c4; }
+.alert.info { background: var(--accent-soft); color: var(--accent-hover); border-color: #cfd6f4; }
+.alert.warn { background: var(--warn-soft); color: var(--warn); border-color: #f0dcb8; }
+.alert.ok { background: #e6f4ec; color: var(--ok); border-color: #c3e3d0; }
 
-/* Login */
-.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
-.login-card { width: 100%; max-width: 360px; text-align: center; }
-.login-card label { text-align: left; }
+/* ---------- Selected product banner ---------- */
+.selected-product {
+  display: flex; align-items: center; gap: var(--sp-3);
+  padding: var(--sp-3); background: var(--surface-2);
+  border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: var(--sp-4);
+}
+.selected-product > .info { flex: 1; min-width: 0; }
+.selected-product .title { font-weight: 620; }
 
+/* ---------- Stat tiles ---------- */
+.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: var(--sp-3); margin-bottom: var(--sp-5); }
+.stat {
+  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
+  padding: var(--sp-4); box-shadow: var(--shadow);
+}
+.stat .stat-label { font-size: 0.75rem; color: var(--muted); font-weight: 560; display: flex; align-items: center; gap: 6px; }
+.stat .stat-value { font-size: 1.6rem; font-weight: 680; letter-spacing: -0.02em; margin-top: 6px; }
+
+/* ---------- Login ---------- */
+.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: var(--sp-4); }
+.login-card { width: 100%; max-width: 360px; }
+.login-card .sidebar-brand { padding: 0 0 var(--sp-2); font-size: 1.2rem; }
+.login-card .lead { color: var(--muted); font-size: 0.9rem; margin: 0 0 var(--sp-5); }
+
+/* ---------- Utilities ---------- */
 .muted { color: var(--muted); }
-.small { font-size: 13px; }
-.center { text-align: center; padding: 40px; }
+.small { font-size: 0.8rem; }
+.center { text-align: center; }
+.empty { text-align: center; color: var(--muted); padding: var(--sp-6) var(--sp-4); }
+.mt-0 { margin-top: 0; }
+.tree-child { padding-left: var(--sp-5); }
+.row-danger td { background: var(--danger-soft); }
+.row-warn td { background: var(--warn-soft); }
 
+/* ---------- Responsive: sidebar -> top bar ---------- */
+@media (max-width: 760px) {
+  .app-shell { flex-direction: column; }
+  .sidebar {
+    width: 100%; flex-basis: auto; height: auto; position: sticky; top: 0; z-index: 20;
+    border-right: none; border-bottom: 1px solid var(--border);
+  }
+  .sidebar-brand { padding: var(--sp-3) var(--sp-4); }
+  .sidebar-nav { flex-direction: row; overflow-x: auto; padding: var(--sp-2) var(--sp-3); gap: var(--sp-1); }
+  .nav-section { display: none; }
+  .nav-link { white-space: nowrap; }
+  .nav-link span.label { display: none; }
+  .nav-link { padding: 8px; }
+  .content { padding: var(--sp-4); }
+}
+
+/* ---------- Dark theme ---------- */
 @media (prefers-color-scheme: dark) {
   :root {
-    --bg: #0f172a;
-    --card: #1e293b;
-    --border: #334155;
-    --text: #e2e8f0;
-    --muted: #94a3b8;
+    --bg: #0d1117;
+    --surface: #161b22;
+    --surface-2: #1c2230;
+    --border: #262d38;
+    --border-strong: #333c4a;
+    --text: #e6edf3;
+    --muted: #8b949e;
+    --accent: #7c8ae8;
+    --accent-hover: #93a0ef;
+    --accent-soft: #1e2340;
+    --danger: #f0857a;
+    --danger-soft: #2a1a1a;
+    --warn: #e0a955;
+    --warn-soft: #2a2312;
+    --ok: #5fbf8c;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
   }
-  input, select { background: #0f172a; }
-  .btn { background: #0f172a; }
-  .btn:hover { background: #172033; }
-  .row-danger { background: #3b1a1a; }
-  .row-warn { background: #3a2f14; }
-  .alert.error { background: #3b1a1a; border-color: #7f1d1d; }
-  .alert.info { background: #16324d; border-color: #1e4e79; }
-  .alert.warn { background: #3a2f14; border-color: #7c5c14; }
+  .badge.ok { background: #14301f; }
+  .alert.ok { background: #14301f; border-color: #21503a; }
+}
+:root[data-theme="dark"] {
+  --bg: #0d1117; --surface: #161b22; --surface-2: #1c2230; --border: #262d38;
+  --border-strong: #333c4a; --text: #e6edf3; --muted: #8b949e; --accent: #7c8ae8;
+  --accent-hover: #93a0ef; --accent-soft: #1e2340; --danger: #f0857a; --danger-soft: #2a1a1a;
+  --warn: #e0a955; --warn-soft: #2a2312; --ok: #5fbf8c;
+}
+:root[data-theme="light"] {
+  --bg: #f6f7f9; --surface: #ffffff; --surface-2: #f1f3f5; --border: #e3e6ea;
+  --border-strong: #d1d6dc; --text: #1a1f27; --muted: #6b7480; --accent: #3f51b5;
+  --accent-hover: #34429a; --accent-soft: #eceefb; --danger: #c0392b; --danger-soft: #fbeceb;
+  --warn: #b06f14; --warn-soft: #fbf3e6; --ok: #2e7d55;
 }