feat: redesign aplikace pomocí claude code

client/src/components/Header.tsx

@@ -1,5 +1,5 @@
 import { useEffect, useState } from "react";
-import { Navbar, Nav, NavDropdown } from "react-bootstrap";
+import { Navbar, Nav, NavDropdown, Modal, Button } from "react-bootstrap";
 import { useAuth } from "../context/auth";
 import SettingsModal from "./modals/SettingsModal";
 import { useSettings, ThemePreference } from "../context/settings";
@@ -9,6 +9,14 @@ import RefreshMenuModal from "./modals/RefreshMenuModal";
 import { useNavigate } from "react-router";
 import { STATS_URL } from "../AppRoutes";
 import { FeatureRequest, getVotes, updateVote } from "../../../types";
+import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
+import { faSun, faMoon } from "@fortawesome/free-solid-svg-icons";
+
+const CHANGELOG = [
+    "Nový moderní design aplikace",
+    "Oprava parsování Sladovnické a TechTower",
+    "Možnost označit se jako objednávající u volby \"budu objednávat\"",
+];
 
 export default function Header() {
     const auth = useAuth();
@@ -18,8 +26,29 @@ export default function Header() {
     const [votingModalOpen, setVotingModalOpen] = useState<boolean>(false);
     const [pizzaModalOpen, setPizzaModalOpen] = useState<boolean>(false);
     const [refreshMenuModalOpen, setRefreshMenuModalOpen] = useState<boolean>(false);
+    const [changelogModalOpen, setChangelogModalOpen] = useState<boolean>(false);
     const [featureVotes, setFeatureVotes] = useState<FeatureRequest[] | undefined>([]);
 
+    // Zjistíme aktuální efektivní téma (pro zobrazení správné ikony)
+    const [effectiveTheme, setEffectiveTheme] = useState<'light' | 'dark'>('light');
+
+    useEffect(() => {
+        const updateEffectiveTheme = () => {
+            if (settings?.themePreference === 'system') {
+                const isDark = window.matchMedia('(prefers-color-scheme: dark)').matches;
+                setEffectiveTheme(isDark ? 'dark' : 'light');
+            } else {
+                setEffectiveTheme(settings?.themePreference || 'light');
+            }
+        };
+
+        updateEffectiveTheme();
+
+        const mediaQuery = window.matchMedia('(prefers-color-scheme: dark)');
+        mediaQuery.addEventListener('change', updateEffectiveTheme);
+        return () => mediaQuery.removeEventListener('change', updateEffectiveTheme);
+    }, [settings?.themePreference]);
+
     useEffect(() => {
         if (auth?.login) {
             getVotes().then(response => {
@@ -44,6 +73,12 @@ export default function Header() {
         setRefreshMenuModalOpen(false);
     }
 
+    const toggleTheme = () => {
+        // Přepínáme mezi light a dark (ignorujeme system pro jednoduchost)
+        const newTheme: ThemePreference = effectiveTheme === 'dark' ? 'light' : 'dark';
+        settings?.setThemePreference(newTheme);
+    }
+
     const isValidInteger = (str: string) => {
         str = str.trim();
         if (!str) {
@@ -121,12 +156,21 @@ export default function Header() {
         <Navbar.Toggle aria-controls="basic-navbar-nav" />
         <Navbar.Collapse id="basic-navbar-nav">
             <Nav className="nav">
+                <button
+                    className="theme-toggle"
+                    onClick={toggleTheme}
+                    title={effectiveTheme === 'dark' ? 'Přepnout na světlý režim' : 'Přepnout na tmavý režim'}
+                    aria-label="Přepnout barevný motiv"
+                >
+                    <FontAwesomeIcon icon={effectiveTheme === 'dark' ? faSun : faMoon} />
+                </button>
                 <NavDropdown align="end" title={auth?.login} id="basic-nav-dropdown">
                     <NavDropdown.Item onClick={() => setSettingsModalOpen(true)}>Nastavení</NavDropdown.Item>
                     <NavDropdown.Item onClick={() => setRefreshMenuModalOpen(true)}>Přenačtení menu</NavDropdown.Item>
                     <NavDropdown.Item onClick={() => setVotingModalOpen(true)}>Hlasovat o nových funkcích</NavDropdown.Item>
                     <NavDropdown.Item onClick={() => setPizzaModalOpen(true)}>Pizza kalkulačka</NavDropdown.Item>
                     <NavDropdown.Item onClick={() => navigate(STATS_URL)}>Statistiky</NavDropdown.Item>
+                    <NavDropdown.Item onClick={() => setChangelogModalOpen(true)}>Novinky</NavDropdown.Item>
                     <NavDropdown.Divider />
                     <NavDropdown.Item onClick={auth?.logout}>Odhlásit se</NavDropdown.Item>
                 </NavDropdown>
@@ -136,5 +180,22 @@ export default function Header() {
         <RefreshMenuModal isOpen={refreshMenuModalOpen} onClose={closeRefreshMenuModal} />
         <FeaturesVotingModal isOpen={votingModalOpen} onClose={closeVotingModal} onChange={saveFeatureVote} initialValues={featureVotes} />
         <PizzaCalculatorModal isOpen={pizzaModalOpen} onClose={closePizzaModal} />
+        <Modal show={changelogModalOpen} onHide={() => setChangelogModalOpen(false)}>
+            <Modal.Header closeButton>
+                <Modal.Title><h2>Novinky</h2></Modal.Title>
+            </Modal.Header>
+            <Modal.Body>
+                <ul>
+                    {CHANGELOG.map((item, index) => (
+                        <li key={index}>{item}</li>
+                    ))}
+                </ul>
+            </Modal.Body>
+            <Modal.Footer>
+                <Button variant="secondary" onClick={() => setChangelogModalOpen(false)}>
+                    Zavřít
+                </Button>
+            </Modal.Footer>
+        </Modal>
     </Navbar>
-}
+}