Merge pull request #28 from dat515-2025/merge/frontend_basics

Merge/frontend basics

7project/backend/app/api/auth.py

@@ -1,10 +1,28 @@
-from fastapi import APIRouter
+from fastapi import APIRouter, Depends, status
+from fastapi_users import models
+from fastapi_users.manager import BaseUserManager
 
 from app.schemas.user import UserCreate, UserRead, UserUpdate
 from app.services.user_service import auth_backend, fastapi_users
 
 router = APIRouter()
 
+@router.delete(
+    "/users/me",
+    status_code=status.HTTP_204_NO_CONTENT,
+    tags=["users"],
+    summary="Delete current user",
+    response_description="The user has been successfully deleted.",
+)
+async def delete_me(
+    user: models.UserProtocol = Depends(fastapi_users.current_user(active=True)),
+    user_manager: BaseUserManager = Depends(fastapi_users.get_user_manager),
+):
+    """
+    Delete the currently authenticated user.
+    """
+    await user_manager.delete(user)
+
 # Keep existing paths as-is under /auth/* and /users/*
 router.include_router(
     fastapi_users.get_auth_router(auth_backend), prefix="/auth/jwt", tags=["auth"]

7project/backend/app/app.py

@@ -1,7 +1,10 @@
+import logging
 import os
+from datetime import datetime
 
 from fastapi import Depends, FastAPI
 from fastapi.middleware.cors import CORSMiddleware
+from starlette.requests import Request
 
 from app.models.user import User
 
@@ -29,6 +32,7 @@ fastApi.add_middleware(
     allow_origins=[
         "http://localhost:5173",
         "http://127.0.0.1:5173",
+        os.getenv("FRONTEND_DOMAIN_SCHEME", "")
     ],
     allow_credentials=True,
     allow_methods=["*"],
@@ -39,6 +43,27 @@ fastApi.include_router(auth_router)
 fastApi.include_router(categories_router)
 fastApi.include_router(transactions_router)
 
+logging.basicConfig(filename='app.log', level=logging.INFO, format='%(asctime)s %(message)s')
+@fastApi.middleware("http")
+async def log_traffic(request: Request, call_next):
+    start_time = datetime.now()
+    response = await call_next(request)
+    process_time = (datetime.now() - start_time).total_seconds()
+    client_host = request.client.host
+    log_params = {
+        "request_method": request.method,
+        "request_url": str(request.url),
+        "request_size": request.headers.get("content-length"),
+        "request_headers": dict(request.headers),
+        "response_status": response.status_code,
+        "response_size": response.headers.get("content-length"),
+        "response_headers": dict(response.headers),
+        "process_time": process_time,
+        "client_host": client_host
+    }
+    logging.info(str(log_params))
+    return response
+
 fastApi.include_router(
     fastapi_users.get_oauth_router(
         get_oauth_provider("MojeID"),

7project/frontend/src/App.css

@@ -1,42 +1 @@
-#root {
+/* App-level styles moved to ui.css for a cleaner layout. */
-  max-width: 1280px;
-  margin: 0 auto;
-  padding: 2rem;
-  text-align: center;
-}
-
-.logo {
-  height: 6em;
-  padding: 1.5em;
-  will-change: filter;
-  transition: filter 300ms;
-}
-.logo:hover {
-  filter: drop-shadow(0 0 2em #646cffaa);
-}
-.logo.react:hover {
-  filter: drop-shadow(0 0 2em #61dafbaa);
-}
-
-@keyframes logo-spin {
-  from {
-    transform: rotate(0deg);
-  }
-  to {
-    transform: rotate(360deg);
-  }
-}
-
-@media (prefers-reduced-motion: no-preference) {
-  a:nth-of-type(2) .logo {
-    animation: logo-spin infinite 20s linear;
-  }
-}
-
-.card {
-  padding: 2em;
-}
-
-.read-the-docs {
-  color: #888;
-}

7project/frontend/src/App.tsx

@@ -1,39 +1,39 @@
-import { useState } from 'react'
+import { useEffect, useState } from 'react';
-import reactLogo from './assets/react.svg'
+import './App.css';
-import viteLogo from '/vite.svg'
+import LoginRegisterPage from './pages/LoginRegisterPage';
-import './App.css'
+import Dashboard from './pages/Dashboard';
-import { BACKEND_URL } from './config'
+import { logout } from './api';
 
 function App() {
-  const [count, setCount] = useState(0)
+  const [hasToken, setHasToken] = useState<boolean>(!!localStorage.getItem('token'));
 
-  return (
+  useEffect(() => {
-    <>
+    // Handle OAuth callback: /oauth-callback?access_token=...&token_type=...
-      <div>
+    if (window.location.pathname === '/oauth-callback') {
-        <a href="https://vite.dev" target="_blank">
+      const params = new URLSearchParams(window.location.search);
-          <img src={viteLogo} className="logo" alt="Vite logo" />
+      const token = params.get('access_token');
-        </a>
+      if (token) {
-        <a href="https://react.dev" target="_blank">
+        localStorage.setItem('token', token);
-          <img src={reactLogo} className="logo react" alt="React logo" />
+        setHasToken(true);
-        </a>
+      }
-      </div>
+      // Clean URL and redirect to home
-      <h1>Vite + React</h1>
+      window.history.replaceState({}, '', '/');
-      <div className="card">
-        <button onClick={() => setCount((count) => count + 1)}>
-          count is {count}
-        </button>
-        <p>
-          Edit <code>src/App.tsx</code> and save to test HMR
-        </p>
-        <p style={{ fontSize: 12, color: '#888' }}>
-          Backend URL: <code>{BACKEND_URL || '(not configured)'}</code>
-        </p>
-      </div>
-      <p className="read-the-docs">
-        Click on the Vite and React logos to learn more
-      </p>
-    </>
-  )
     }
 
-export default App
+    const onStorage = (e: StorageEvent) => {
+      if (e.key === 'token') setHasToken(!!e.newValue);
+    };
+    window.addEventListener('storage', onStorage);
+    return () => window.removeEventListener('storage', onStorage);
+  }, []);
+
+  if (!hasToken) {
+    return <LoginRegisterPage onLoggedIn={() => setHasToken(true)} />;
+  }
+
+  return (
+    <Dashboard onLogout={() => { logout(); setHasToken(false); }} />
+  );
+}
+
+export default App;

7project/frontend/src/api.ts

@@ -0,0 +1,155 @@
+import { BACKEND_URL } from './config';
+
+export type LoginResponse = {
+  access_token: string;
+  token_type: string;
+};
+
+export type Category = {
+  id: number;
+  name: string;
+  description?: string | null;
+};
+
+export type Transaction = {
+  id: number;
+  amount: number;
+  description?: string | null;
+  category_ids: number[];
+};
+
+function getBaseUrl() {
+  const base = BACKEND_URL?.replace(/\/$/, '') || '';
+  return base || '';
+}
+
+function getHeaders(contentType: 'json' | 'form' | 'none' = 'json'): Record<string, string> {
+  const token = localStorage.getItem('token');
+  const headers: Record<string, string> = {};
+
+  if (contentType === 'json') {
+    headers['Content-Type'] = 'application/json';
+  } else if (contentType === 'form') {
+    headers['Content-Type'] = 'application/x-www-form-urlencoded';
+  }
+
+  if (token) {
+    headers['Authorization'] = `Bearer ${token}`;
+  }
+
+  return headers;
+}
+
+export async function login(email: string, password: string): Promise<void> {
+  const body = new URLSearchParams();
+  body.set('username', email);
+  body.set('password', password);
+
+  const res = await fetch(`${getBaseUrl()}/auth/jwt/login`, {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/x-www-form-urlencoded',
+    },
+    body: body.toString(),
+  });
+  if (!res.ok) {
+    const text = await res.text();
+    throw new Error(text || 'Login failed');
+  }
+  const data: LoginResponse = await res.json();
+  localStorage.setItem('token', data.access_token);
+}
+
+export async function register(email: string, password: string, first_name?: string, last_name?: string): Promise<void> {
+  const res = await fetch(`${getBaseUrl()}/auth/register`, {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify({ email, password, first_name, last_name }),
+  });
+  if (!res.ok) {
+    const text = await res.text();
+    throw new Error(text || 'Registration failed');
+  }
+}
+
+export async function getCategories(): Promise<Category[]> {
+  const res = await fetch(`${getBaseUrl()}/categories/`, {
+    headers: getHeaders(),
+  });
+  if (!res.ok) throw new Error('Failed to load categories');
+  return res.json();
+}
+
+export type CreateTransactionInput = {
+  amount: number;
+  description?: string;
+  category_ids?: number[];
+};
+
+export async function createTransaction(input: CreateTransactionInput): Promise<Transaction> {
+  const res = await fetch(`${getBaseUrl()}/transactions/create`, {
+    method: 'POST',
+    headers: getHeaders(),
+    body: JSON.stringify(input),
+  });
+  if (!res.ok) {
+    const text = await res.text();
+    throw new Error(text || 'Failed to create transaction');
+  }
+  return res.json();
+}
+
+export async function getTransactions(): Promise<Transaction[]> {
+    const res = await fetch(`${getBaseUrl()}/transactions/`, {
+    headers: getHeaders(),
+  });
+  if (!res.ok) throw new Error('Failed to load transactions');
+  return res.json();
+}
+
+export type User = {
+  id: string;
+  email: string;
+  first_name?: string | null;
+  last_name?: string | null;
+  is_active: boolean;
+  is_superuser: boolean;
+  is_verified: boolean;
+};
+
+export async function getMe(): Promise<User> {
+  const res = await fetch(`${getBaseUrl()}/users/me`, {
+    headers: getHeaders(),
+  });
+  if (!res.ok) throw new Error('Failed to load user');
+  return res.json();
+}
+
+export type UpdateMeInput = Partial<Pick<User, 'first_name' | 'last_name'>> & { password?: string };
+export async function updateMe(input: UpdateMeInput): Promise<User> {
+  const res = await fetch(`${getBaseUrl()}/users/me`, {
+    method: 'PATCH',
+    headers: getHeaders(),
+    body: JSON.stringify(input),
+  });
+  if (!res.ok) {
+    const text = await res.text();
+    throw new Error(text || 'Failed to update user');
+  }
+  return res.json();
+}
+
+export async function deleteMe(): Promise<void> {
+  const res = await fetch(`${getBaseUrl()}/users/me`, {
+    method: 'DELETE',
+    headers: getHeaders(),
+  });
+  if (!res.ok) {
+    const text = await res.text();
+    throw new Error(text || 'Failed to delete account');
+  }
+}
+
+export function logout() {
+  localStorage.removeItem('token');
+}

7project/frontend/src/appearance.ts

@@ -0,0 +1,38 @@
+export type Theme = 'system' | 'light' | 'dark';
+export type FontSize = 'small' | 'medium' | 'large';
+
+const THEME_KEY = 'app_theme';
+const FONT_KEY = 'app_font_size';
+
+export function applyTheme(theme: Theme) {
+  const body = document.body;
+  const effective = theme === 'system' ? (window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light') : theme;
+  body.setAttribute('data-theme', effective);
+}
+
+export function applyFontSize(size: FontSize) {
+  const root = document.documentElement;
+  const map: Record<FontSize, string> = {
+    small: '14px',
+    medium: '16px',
+    large: '18px',
+  };
+  root.style.fontSize = map[size];
+}
+
+export function saveAppearance(theme: Theme, size: FontSize) {
+  localStorage.setItem(THEME_KEY, theme);
+  localStorage.setItem(FONT_KEY, size);
+}
+
+export function loadAppearance(): { theme: Theme; size: FontSize } {
+  const theme = (localStorage.getItem(THEME_KEY) as Theme) || 'light';
+  const size = (localStorage.getItem(FONT_KEY) as FontSize) || 'medium';
+  return { theme, size };
+}
+
+export function applyAppearanceFromStorage() {
+  const { theme, size } = loadAppearance();
+  applyTheme(theme);
+  applyFontSize(size);
+}

7project/frontend/src/main.tsx

@@ -1,7 +1,11 @@
 import { StrictMode } from 'react'
 import { createRoot } from 'react-dom/client'
 import './index.css'
+import './ui.css'
 import App from './App.tsx'
+import { applyAppearanceFromStorage } from './appearance'
+
+applyAppearanceFromStorage()
 
 createRoot(document.getElementById('root')!).render(
   <StrictMode>

7project/frontend/src/pages/AccountPage.tsx

@@ -0,0 +1,87 @@
+import { useEffect, useState } from 'react';
+import { deleteMe, getMe, type UpdateMeInput, type User, updateMe } from '../api';
+
+export default function AccountPage({ onDeleted }: { onDeleted: () => void }) {
+  const [user, setUser] = useState<User | null>(null);
+  const [firstName, setFirstName] = useState('');
+  const [lastName, setLastName] = useState('');
+  const [loading, setLoading] = useState(true);
+  const [saving, setSaving] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+
+  useEffect(() => {
+    (async () => {
+      try {
+        const u = await getMe();
+        setUser(u);
+        setFirstName(u.first_name || '');
+        setLastName(u.last_name || '');
+      } catch (e: any) {
+        setError(e?.message || 'Failed to load account');
+      } finally {
+        setLoading(false);
+      }
+    })();
+  }, []);
+
+  async function handleSave(e: React.FormEvent) {
+    e.preventDefault();
+    setSaving(true);
+    setError(null);
+    try {
+      const payload: UpdateMeInput = { first_name: firstName || null as any, last_name: lastName || null as any };
+      const updated = await updateMe(payload);
+      setUser(updated);
+    } catch (e: any) {
+      setError(e?.message || 'Failed to update');
+    } finally {
+      setSaving(false);
+    }
+  }
+
+  async function handleDelete() {
+    if (!confirm('Are you sure you want to delete your account? This cannot be undone.')) return;
+    try {
+      await deleteMe();
+      onDeleted();
+    } catch (e: any) {
+      alert(e?.message || 'Failed to delete account');
+    }
+  }
+
+  return (
+    <section className="card">
+      <h3>Account</h3>
+      {loading ? (
+        <div>Loading…</div>
+      ) : error ? (
+        <div style={{ color: 'crimson' }}>{error}</div>
+      ) : !user ? (
+        <div>Not signed in</div>
+      ) : (
+        <div className="space-y">
+          <div className="muted">Email: <strong>{user.email}</strong></div>
+          <form onSubmit={handleSave} className="space-y">
+            <div className="form-row">
+              <div>
+                <label className="muted">First name</label>
+                <input className="input" value={firstName} onChange={(e) => setFirstName(e.target.value)} />
+              </div>
+              <div>
+                <label className="muted">Last name</label>
+                <input className="input" value={lastName} onChange={(e) => setLastName(e.target.value)} />
+              </div>
+            </div>
+            <div className="actions" style={{ justifyContent: 'flex-end' }}>
+              <button className="btn primary" type="submit" disabled={saving}>{saving ? 'Saving…' : 'Save changes'}</button>
+            </div>
+          </form>
+          <div className="actions" style={{ justifyContent: 'space-between' }}>
+            <div className="muted"></div>
+            <button className="btn" style={{ borderColor: 'crimson', color: 'crimson' }} onClick={handleDelete}>Delete account</button>
+          </div>
+        </div>
+      )}
+    </section>
+  );
+}

7project/frontend/src/pages/AppearancePage.tsx

@@ -0,0 +1,49 @@
+import { useEffect, useState } from 'react';
+import { applyFontSize, applyTheme, loadAppearance, saveAppearance, type FontSize, type Theme } from '../appearance';
+
+export default function AppearancePage() {
+  const [theme, setTheme] = useState<Theme>('light');
+  const [size, setSize] = useState<FontSize>('medium');
+
+  useEffect(() => {
+    const { theme, size } = loadAppearance();
+    setTheme(theme);
+    setSize(size);
+  }, []);
+
+  function onThemeChange(next: Theme) {
+    setTheme(next);
+    applyTheme(next);
+    saveAppearance(next, size);
+  }
+
+  function onSizeChange(next: FontSize) {
+    setSize(next);
+    applyFontSize(next);
+    saveAppearance(theme, next);
+  }
+
+  return (
+    <section className="card">
+      <h3>Appearance</h3>
+      <div className="space-y">
+        <div>
+          <div className="muted" style={{ marginBottom: 6 }}>Theme</div>
+          <div className="segmented">
+            <button className={theme === 'light' ? 'active' : ''} onClick={() => onThemeChange('light')}>Light</button>
+            <button className={theme === 'dark' ? 'active' : ''} onClick={() => onThemeChange('dark')}>Dark</button>
+            <button className={theme === 'system' ? 'active' : ''} onClick={() => onThemeChange('system')}>System</button>
+          </div>
+        </div>
+        <div>
+          <div className="muted" style={{ marginBottom: 6 }}>Font size</div>
+          <div className="segmented">
+            <button className={size === 'small' ? 'active' : ''} onClick={() => onSizeChange('small')}>Small</button>
+            <button className={size === 'medium' ? 'active' : ''} onClick={() => onSizeChange('medium')}>Medium</button>
+            <button className={size === 'large' ? 'active' : ''} onClick={() => onSizeChange('large')}>Large</button>
+          </div>
+        </div>
+      </div>
+    </section>
+  );
+}

7project/frontend/src/pages/Dashboard.tsx

@@ -0,0 +1,172 @@
+import { useEffect, useMemo, useState } from 'react';
+import { type Category, type Transaction, createTransaction, getCategories, getTransactions } from '../api';
+import AccountPage from './AccountPage';
+import AppearancePage from './AppearancePage';
+
+function formatAmount(n: number) {
+  return new Intl.NumberFormat(undefined, { minimumFractionDigits: 2, maximumFractionDigits: 2 }).format(n);
+}
+
+export default function Dashboard({ onLogout }: { onLogout: () => void }) {
+  const [current, setCurrent] = useState<'home' | 'account' | 'appearance'>('home');
+  const [transactions, setTransactions] = useState<Transaction[]>([]);
+  const [categories, setCategories] = useState<Category[]>([]);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+
+  // New transaction form state
+  const [amount, setAmount] = useState<string>('');
+  const [description, setDescription] = useState('');
+  const [selectedCategoryId, setSelectedCategoryId] = useState<number | ''>('');
+
+  // Filters
+  const [minAmount, setMinAmount] = useState<string>('');
+  const [maxAmount, setMaxAmount] = useState<string>('');
+  const [filterCategoryId, setFilterCategoryId] = useState<number | ''>('');
+  const [searchText, setSearchText] = useState('');
+
+  async function loadAll() {
+    setLoading(true);
+    setError(null);
+    try {
+      const [txs, cats] = await Promise.all([getTransactions(), getCategories()]);
+      setTransactions(txs);
+      setCategories(cats);
+    } catch (err: any) {
+      setError(err?.message || 'Failed to load data');
+    } finally {
+      setLoading(false);
+    }
+  }
+
+  useEffect(() => { loadAll(); }, []);
+
+  const last10 = useMemo(() => {
+    const sorted = [...transactions].sort((a, b) => b.id - a.id);
+    return sorted.slice(0, 10);
+  }, [transactions]);
+
+  const filtered = useMemo(() => {
+    let arr = last10;
+    const min = minAmount !== '' ? Number(minAmount) : undefined;
+    const max = maxAmount !== '' ? Number(maxAmount) : undefined;
+    if (min !== undefined) arr = arr.filter(t => t.amount >= min);
+    if (max !== undefined) arr = arr.filter(t => t.amount <= max);
+    if (filterCategoryId !== '') arr = arr.filter(t => t.category_ids.includes(filterCategoryId as number));
+    if (searchText.trim()) arr = arr.filter(t => (t.description || '').toLowerCase().includes(searchText.toLowerCase()));
+    return arr;
+  }, [last10, minAmount, maxAmount, filterCategoryId, searchText]);
+
+  function categoryNameById(id: number) { return categories.find(c => c.id === id)?.name || `#${id}`; }
+
+  async function handleCreate(e: React.FormEvent) {
+    e.preventDefault();
+    if (!amount) return;
+    const payload = {
+      amount: Number(amount),
+      description: description || undefined,
+      category_ids: selectedCategoryId !== '' ? [Number(selectedCategoryId)] : undefined,
+    };
+    try {
+      const created = await createTransaction(payload);
+      setTransactions(prev => [created, ...prev]);
+      setAmount(''); setDescription(''); setSelectedCategoryId('');
+    } catch (err: any) {
+      alert(err?.message || 'Failed to create transaction');
+    }
+  }
+
+  return (
+    <div className="app-layout">
+      <aside className="sidebar">
+        <div className="logo">7Project</div>
+        <nav className="nav">
+          <button className={current === 'home' ? 'active' : ''} onClick={() => setCurrent('home')}>Home</button>
+          <button className={current === 'account' ? 'active' : ''} onClick={() => setCurrent('account')}>Account</button>
+          <button className={current === 'appearance' ? 'active' : ''} onClick={() => setCurrent('appearance')}>Appearance</button>
+        </nav>
+      </aside>
+      <div className="content">
+        <div className="topbar">
+          <h2 style={{ margin: 0 }}>{current === 'home' ? 'Dashboard' : current === 'account' ? 'Account' : 'Appearance'}</h2>
+          <div className="actions">
+            <span className="user muted">Signed in</span>
+            <button className="btn" onClick={onLogout}>Logout</button>
+          </div>
+        </div>
+        <main className="page space-y">
+          {current === 'home' && (
+            <>
+              <section className="card">
+                <h3>Add Transaction</h3>
+                <form onSubmit={handleCreate} className="form-row">
+                  <input className="input" type="number" step="0.01" placeholder="Amount" value={amount} onChange={(e) => setAmount(e.target.value)} required />
+                  <input className="input" type="text" placeholder="Description (optional)" value={description} onChange={(e) => setDescription(e.target.value)} />
+                  <select className="input" value={selectedCategoryId} onChange={(e) => setSelectedCategoryId(e.target.value ? Number(e.target.value) : '')}>
+                    <option value="">No category</option>
+                    {categories.map(c => (<option key={c.id} value={c.id}>{c.name}</option>))}
+                  </select>
+                  <button className="btn primary" type="submit">Add</button>
+                </form>
+              </section>
+
+              <section className="card">
+                <h3>Filters</h3>
+                <div className="form-row">
+                  <input className="input" type="number" step="0.01" placeholder="Min amount" value={minAmount} onChange={(e) => setMinAmount(e.target.value)} />
+                  <input className="input" type="number" step="0.01" placeholder="Max amount" value={maxAmount} onChange={(e) => setMaxAmount(e.target.value)} />
+                  <select className="input" value={filterCategoryId} onChange={(e) => setFilterCategoryId(e.target.value ? Number(e.target.value) : '')}>
+                    <option value="">All categories</option>
+                    {categories.map(c => (<option key={c.id} value={c.id}>{c.name}</option>))}
+                  </select>
+                  <input className="input" type="text" placeholder="Search in description" value={searchText} onChange={(e) => setSearchText(e.target.value)} />
+                </div>
+              </section>
+
+              <section className="card">
+                <h3>Latest Transactions (last 10)</h3>
+                {loading ? (
+                  <div>Loading…</div>
+                ) : error ? (
+                  <div style={{ color: 'crimson' }}>{error}</div>
+                ) : filtered.length === 0 ? (
+                  <div>No transactions</div>
+                ) : (
+                  <table className="table">
+                    <thead>
+                      <tr>
+                        <th>ID</th>
+                        <th style={{ textAlign: 'right' }}>Amount</th>
+                        <th>Description</th>
+                        <th>Categories</th>
+                      </tr>
+                    </thead>
+                    <tbody>
+                      {filtered.map(t => (
+                        <tr key={t.id}>
+                          <td>{t.id}</td>
+                          <td className="amount">{formatAmount(t.amount)}</td>
+                          <td>{t.description || ''}</td>
+                          <td>{t.category_ids.map(id => categoryNameById(id)).join(', ')}</td>
+                        </tr>
+                      ))}
+                    </tbody>
+                  </table>
+                )}
+              </section>
+            </>
+          )}
+
+          {current === 'account' && (
+            // lazy import avoided for simplicity
+            <AccountPage onDeleted={onLogout} />
+          )}
+
+          {current === 'appearance' && (
+            <AppearancePage />
+          )}
+        </main>
+      </div>
+    </div>
+  );
+}

7project/frontend/src/pages/LoginRegisterPage.tsx

@@ -0,0 +1,96 @@
+import { useState, useEffect } from 'react';
+import { login, register } from '../api';
+import { BACKEND_URL } from '../config';
+
+function oauthUrl(provider: 'mojeid' | 'bankid') {
+  const base = BACKEND_URL.replace(/\/$/, '');
+  const redirect = encodeURIComponent(window.location.origin + '/oauth-callback');
+  return `${base}/auth/${provider}/authorize?redirect_url=${redirect}`;
+}
+
+export default function LoginRegisterPage({ onLoggedIn }: { onLoggedIn: () => void }) {
+  const [mode, setMode] = useState<'login' | 'register'>('login');
+  const [email, setEmail] = useState('');
+  const [password, setPassword] = useState('');
+  const [firstName, setFirstName] = useState('');
+  const [lastName, setLastName] = useState('');
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+
+  async function handleSubmit(e: React.FormEvent) {
+    e.preventDefault();
+    setLoading(true);
+    setError(null);
+    try {
+      if (mode === 'login') {
+        await login(email, password);
+        onLoggedIn();
+      } else {
+        await register(email, password, firstName || undefined, lastName || undefined);
+        // After register, prompt login automatically
+        await login(email, password);
+        onLoggedIn();
+      }
+    } catch (err: any) {
+      setError(err?.message || 'Operation failed');
+    } finally {
+      setLoading(false);
+    }
+  }
+
+  // Add this useEffect hook
+  useEffect(() => {
+    // When the component mounts, add a class to the body
+    document.body.classList.add('auth-page');
+
+    // When the component unmounts, remove the class
+    return () => {
+      document.body.classList.remove('auth-page');
+    };
+  }, []); // The empty array ensures this runs only once
+
+  // The JSX no longer needs the wrapper div
+  return (
+    <div className="card" style={{ width: 420 }}>
+      <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', marginBottom: 12 }}>
+        <h2 style={{ margin: 0 }}>{mode === 'login' ? 'Welcome back' : 'Create your account'}</h2>
+        <div className="segmented">
+          <button className={mode === 'login' ? 'active' : ''} type="button" onClick={() => setMode('login')}>Login</button>
+          <button className={mode === 'register' ? 'active' : ''} type="button" onClick={() => setMode('register')}>Register</button>
+        </div>
+      </div>
+      <form onSubmit={handleSubmit} className="space-y">
+        <div>
+            <label className="muted">Email</label>
+            <input className="input" type="email" required value={email} onChange={(e) => setEmail(e.target.value)} />
+          </div>
+          <div>
+            <label className="muted">Password</label>
+            <input className="input" type="password" required value={password} onChange={(e) => setPassword(e.target.value)} />
+          </div>
+          {mode === 'register' && (
+            <div className="form-row">
+              <div>
+                <label className="muted">First name (optional)</label>
+                <input className="input" type="text" value={firstName} onChange={(e) => setFirstName(e.target.value)} />
+              </div>
+              <div>
+                <label className="muted">Last name (optional)</label>
+                <input className="input" type="text" value={lastName} onChange={(e) => setLastName(e.target.value)} />
+              </div>
+            </div>
+          )}
+          {error && <div style={{ color: 'crimson' }}>{error}</div>}
+          <div className="actions" style={{ justifyContent: 'space-between' }}>
+            <div className="muted">Or continue with</div>
+            <div className="actions">
+              <a className="btn" href={oauthUrl('mojeid')}>MojeID</a>
+              <a className="btn" href={oauthUrl('bankid')}>BankID</a>
+              <button className="btn primary" type="submit" disabled={loading}>{loading ? 'Please wait…' : (mode === 'login' ? 'Login' : 'Register')}</button>
+            </div>
+          </div>
+      </form>
+    </div>
+  );
+}
+

7project/frontend/src/ui.css

@@ -0,0 +1,85 @@
+:root {
+  --bg: #f7f7fb;
+  --panel: #ffffff;
+  --text: #9aa3b2;
+  --muted: #6b7280;
+  --primary: #6f49fe;
+  --primary-600: #5a37fb;
+  --border: #e5e7eb;
+  --radius: 12px;
+  --shadow: 0 1px 2px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.08);
+
+  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
+  color: var(--text);
+}
+
+* { box-sizing: border-box; }
+
+html, body, #root { height: 100%; }
+
+body { background: var(--bg); margin: 0; display: block; }
+
+/* Dark theme variables */
+body[data-theme="dark"] {
+  --bg: #161a2b;
+  --panel: #283046;
+  --text: #283046;
+  --muted: #cbd5e1;
+  --primary: #8b7bff;
+  --primary-600: #7b69ff;
+  --border: #283046;
+}
+
+/* Layout */
+.app-layout { display: grid; grid-template-columns: 260px 1fr; height: 100%; }
+.sidebar { background: #15172a; color: #e5e7eb; display: flex; flex-direction: column; padding: 20px 12px; }
+.sidebar .logo { color: #fff; font-weight: 700; font-size: 18px; padding: 12px 14px; display: flex; align-items: center; gap: 10px; }
+.nav { margin-top: 12px; display: grid; gap: 4px; }
+.nav a, .nav button { color: #cbd5e1; text-align: left; background: transparent; border: 0; padding: 10px 12px; border-radius: 8px; cursor: pointer; }
+.nav a.active, .nav a:hover, .nav button:hover { background: rgba(255,255,255,0.08); color: #fff; }
+
+.content { display: flex; flex-direction: column; height: 100%; }
+.topbar { height: 64px; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; background: var(--panel); border-bottom: 1px solid var(--border); }
+.topbar .user { color: var(--muted); }
+.page { padding: 24px; max-width: 1100px; margin: auto; }
+
+/* Cards */
+.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; }
+.card h3 { margin: 0 0 12px; }
+
+/* Forms */
+.input, select, textarea { width: 100%; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); background: #fff; color: var(--text); }
+.input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); border-color: var(--primary); }
+.form-row { display: grid; gap: 8px; grid-template-columns: repeat(4, minmax(0,1fr)); }
+.form-row > * { min-width: 140px; }
+.actions { display: flex; align-items: center; gap: 8px; }
+
+/* Buttons */
+.btn { border: 1px solid var(--border); background: #fff; color: var(--text); padding: 10px 14px; border-radius: 10px; cursor: pointer; }
+.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
+.btn.primary:hover { background: var(--primary-600); }
+.btn.ghost { background: transparent; color: var(--muted); }
+
+/* Tables */
+.table { width: 100%; border-collapse: collapse; }
+.table th, .table td { padding: 10px; border-bottom: 1px solid var(--border); }
+.table th { text-align: left; color: var(--muted); font-weight: 600; }
+.table td.amount { text-align: right; font-variant-numeric: tabular-nums; }
+
+/* Segmented control */
+.segmented { display: inline-flex; background: #f1f5f9; border-radius: 10px; padding: 4px; border: 1px solid var(--border); }
+.segmented button { border: 0; background: transparent; padding: 8px 12px; border-radius: 8px; color: var(--muted); cursor: pointer; }
+.segmented button.active { background: #fff; color: var(--text); box-shadow: var(--shadow); }
+
+/* Auth layout */
+body.auth-page #root {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  min-height: 100vh;
+  width: 100%;
+}
+
+/* Utility */
+.muted { color: var(--muted); }
+.space-y > * + * { margin-top: 12px; }