feat: add world cup 2026 hub spa with bracket simulation and i18n

This commit is contained in:
Lucas Kalil 2026-06-12 16:12:14 -03:00
parent c7088bc31b
commit 39f5881d33
13 changed files with 3702 additions and 0 deletions

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// app.js — entry point: loadData() over data/*.json, tab routing with lastTab
// persistence, formatMatchTime(), hero (live or next match + countdown),
// dashboard cards.
import { getPrefs, setPref, toggleFavorite } from './storage.js';
import { initI18n, setLang, getLang, getLocale, t, translatePhase } from './i18n.js';
import { initSchedule } from './schedule.js';
import { initGroups } from './groups.js';
import { initStadiums } from './stadiums.js';
import { initModal } from './modal.js';
import { initBracket } from './bracket.js';
// ---------------------------------------------------------------- data
let data = null;
export async function loadData() {
if (data) return data;
const files = ['teams', 'groups', 'matches', 'results', 'stadiums', 'bracket-config'];
const [teams, groups, matches, results, stadiums, bracketConfig] = await Promise.all(
files.map(async (name) => {
const res = await fetch(`data/${name}.json`);
if (!res.ok) throw new Error(`data/${name}.json — HTTP ${res.status}`);
return res.json();
}),
);
data = {
teams, groups, matches, results, stadiums, bracketConfig,
teamById: new Map(teams.map((team) => [team.id, team])),
stadiumByName: new Map(stadiums.map((s) => [s.name, s])),
resultByMatchId: new Map(results.map((r) => [r.matchId, r])),
};
return data;
}
export function getData() {
return data;
}
// ---------------------------------------------------------------- time
export function matchDateUTC(match) {
return new Date(`${match.date}T${match.time}:00Z`);
}
export function formatMatchTime(match, stadium, mode = getPrefs().timeMode ?? 'local') {
const options = { dateStyle: 'medium', timeStyle: 'short' };
if (mode === 'stadium' && stadium?.timezone) options.timeZone = stadium.timezone;
return new Intl.DateTimeFormat(getLocale(), options).format(matchDateUTC(match));
}
export function flagSrc(team) {
return `assets/images/${team.flag}`;
}
// ---------------------------------------------------------------- tabs
const TABS = ['home', 'matches', 'groups', 'bracket', 'stadiums'];
function activateTab(id, { updateHash = true } = {}) {
const tab = TABS.includes(id) ? id : 'home';
for (const btn of document.querySelectorAll('.tab-btn')) {
const active = btn.dataset.tab === tab;
btn.classList.toggle('active', active);
btn.setAttribute('aria-selected', String(active));
btn.setAttribute('tabindex', active ? '0' : '-1');
}
for (const panelId of TABS) {
document.getElementById(`panel-${panelId}`).hidden = panelId !== tab;
}
setPref('lastTab', tab);
if (updateHash) history.replaceState(null, '', `#${tab}`);
}
// programmatic navigation for cross-view links (e.g. stadium → its matches)
export function navigateTo(tab) {
activateTab(tab);
window.scrollTo({ top: 0 });
}
function initTabs() {
for (const btn of document.querySelectorAll('.tab-btn')) {
btn.addEventListener('click', () => activateTab(btn.dataset.tab));
}
// roving tabindex + arrow keys per the WAI-ARIA tabs pattern
document.querySelector('.tabs').addEventListener('keydown', (event) => {
if (!['ArrowLeft', 'ArrowRight', 'Home', 'End'].includes(event.key)) return;
event.preventDefault();
const buttons = [...document.querySelectorAll('.tab-btn')];
const current = buttons.findIndex((b) => b.classList.contains('active'));
const next =
event.key === 'ArrowLeft' ? (current - 1 + buttons.length) % buttons.length
: event.key === 'ArrowRight' ? (current + 1) % buttons.length
: event.key === 'Home' ? 0
: buttons.length - 1;
activateTab(buttons[next].dataset.tab);
buttons[next].focus();
});
window.addEventListener('hashchange', () =>
activateTab(location.hash.slice(1), { updateHash: false }));
activateTab(location.hash.slice(1) || getPrefs().lastTab || 'home');
}
// ---------------------------------------------------------------- hero
let countdownTimer = null;
function findFeaturedMatch() {
const { matches, resultByMatchId } = data;
const live = matches.find((m) => resultByMatchId.get(m.id)?.status === 'live');
if (live) return live;
return matches
.filter((m) => (resultByMatchId.get(m.id)?.status ?? 'scheduled') === 'scheduled')
.sort((a, b) => matchDateUTC(a) - matchDateUTC(b))[0] ?? null;
}
function heroTeamHTML(teamId) {
const team = data.teamById.get(teamId);
if (!team) return `<div class="hero-team"><span class="hero-team-name">${t('app.tbd')}</span></div>`;
return `
<div class="hero-team">
<img class="flag flag-lg" src="${flagSrc(team)}" alt="" width="64" height="43">
<span class="hero-team-name">${team.name}</span>
</div>`;
}
function renderHero() {
clearInterval(countdownTimer);
const root = document.getElementById('hero-content');
const match = findFeaturedMatch();
if (!match) {
root.innerHTML = '';
return;
}
const result = data.resultByMatchId.get(match.id);
const stadium = data.stadiumByName.get(match.stadium);
const live = result?.status === 'live';
const center = live
? `<div class="hero-score">${result.homeScore}<span class="hero-score-sep"></span>${result.awayScore}</div>`
: `<div class="hero-vs">${t('hero.vs')}</div>`;
root.innerHTML = `
<p class="hero-label">
${live ? `<span class="live-badge pulse">● ${t('hero.live')}</span>` : t('hero.nextMatch')}
<span class="hero-phase">${translatePhase(match.phase)}</span>
</p>
<div class="hero-matchup">
${heroTeamHTML(match.homeTeam)}
${center}
${heroTeamHTML(match.awayTeam)}
</div>
<p class="hero-meta">${formatMatchTime(match, stadium)} · ${match.stadium}, ${match.city}</p>
${live ? '' : `<div class="countdown" id="countdown" role="timer" aria-label="${t('hero.countdownLabel')}"></div>`}
`;
if (!live) startCountdown(matchDateUTC(match));
}
function startCountdown(target) {
const root = document.getElementById('countdown');
const units = ['days', 'hours', 'minutes', 'seconds'];
root.innerHTML = units.map((unit) => `
<div class="count-box">
<span class="count-value" data-unit="${unit}">0</span>
<span class="count-label">${t(`countdown.${unit}`)}</span>
</div>`).join('');
const values = Object.fromEntries(
units.map((unit) => [unit, root.querySelector(`[data-unit="${unit}"]`)]),
);
const tick = () => {
const diff = target - Date.now();
if (diff <= 0) {
clearInterval(countdownTimer);
root.innerHTML = `<p class="hero-kickoff">${t('hero.kickoff')}</p>`;
return;
}
const seconds = Math.floor(diff / 1000);
values.days.textContent = Math.floor(seconds / 86400);
values.hours.textContent = String(Math.floor((seconds % 86400) / 3600)).padStart(2, '0');
values.minutes.textContent = String(Math.floor((seconds % 3600) / 60)).padStart(2, '0');
values.seconds.textContent = String(seconds % 60).padStart(2, '0');
};
tick();
countdownTimer = setInterval(tick, 1000);
}
// ------------------------------------------------------------ dashboard
const ICONS = {
ball: '<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8" aria-hidden="true"><circle cx="12" cy="12" r="9"/><path d="M12 7.5 16 10.4l-1.5 4.7h-5L8 10.4z"/></svg>',
check: '<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8" aria-hidden="true"><circle cx="12" cy="12" r="9"/><path d="m8.5 12.2 2.4 2.4 4.6-5.2"/></svg>',
clock: '<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8" aria-hidden="true"><circle cx="12" cy="12" r="9"/><path d="M12 7v5l3.2 1.8"/></svg>',
shield: '<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8" aria-hidden="true"><path d="M12 3.5 19 6v6c0 4.4-3 7.4-7 8.5-4-1.1-7-4.1-7-8.5V6z"/></svg>',
};
function renderDashboard() {
const { matches, teams, results } = data;
const finished = results.filter((r) => r.status === 'finished').length;
const scheduled = results.filter((r) => r.status === 'scheduled').length;
const cards = [
{ icon: ICONS.ball, value: matches.length, label: 'dash.total' },
{ icon: ICONS.check, value: finished, label: 'dash.completed' },
{ icon: ICONS.clock, value: scheduled, label: 'dash.upcoming' },
{ icon: ICONS.shield, value: teams.length, label: 'dash.teams' },
];
document.getElementById('dashboard').innerHTML = cards.map((card) => `
<div class="stat-card glass fade-in">
<span class="stat-icon">${card.icon}</span>
<span class="stat-value">${card.value}</span>
<span class="stat-label">${t(card.label)}</span>
</div>`).join('');
}
// ---------------------------------------------------------------- init
// global star delegation — stars exist in schedule, groups, and modal
function initFavorites() {
document.addEventListener('click', (event) => {
const btn = event.target.closest('.fav-btn');
if (!btn) return;
event.stopPropagation();
toggleFavorite(btn.dataset.fav);
document.dispatchEvent(new CustomEvent('favchange'));
}, true);
}
function syncTimeToggle() {
const btn = document.getElementById('time-toggle');
const mode = getPrefs().timeMode ?? 'local';
btn.textContent = `🕐 ${t(mode === 'local' ? 'time.local' : 'time.stadium')}`;
btn.setAttribute('aria-pressed', String(mode === 'stadium'));
}
function initTimeToggle() {
const btn = document.getElementById('time-toggle');
btn.addEventListener('click', () => {
const next = (getPrefs().timeMode ?? 'local') === 'local' ? 'stadium' : 'local';
setPref('timeMode', next);
syncTimeToggle();
document.dispatchEvent(new CustomEvent('timemodechange'));
});
document.addEventListener('langchange', syncTimeToggle);
syncTimeToggle();
}
function initLangSwitch() {
const buttons = document.querySelectorAll('.lang-btn');
const sync = () => {
for (const btn of buttons) btn.classList.toggle('active', btn.dataset.lang === getLang());
};
for (const btn of buttons) {
btn.addEventListener('click', () => {
setLang(btn.dataset.lang);
sync();
});
}
sync();
}
function renderHome() {
renderHero();
renderDashboard();
}
function showError(error) {
document.getElementById('hero-content').innerHTML = `
<p class="hero-label">${t('app.error')}</p>
<p class="hero-meta">${t('app.errorHint')}</p>
<p class="hero-meta"><code>${error.message}</code></p>`;
}
async function init() {
initI18n();
initTabs();
initLangSwitch();
initTimeToggle();
initFavorites();
document.addEventListener('langchange', renderHome);
document.addEventListener('timemodechange', renderHero);
try {
await loadData();
renderHome();
initModal();
initSchedule();
initGroups();
initBracket();
initStadiums();
} catch (error) {
showError(error);
}
}
init();

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// bracket.js — knockout bracket. R32 slots come from bracket-config.json
// (group positions resolved via computeStandings(), best-third slots via
// thirdPlaceAssignment); every later round is generated by sequential pairing
// of winners (nodes 0-1 → next 0, 2-3 → next 1, …). SF losers feed the
// third-place match. Unresolvable slots render as placeholders, unplayed
// matches as TBD. Interactions land in step 8, simulation in step 9.
import { getData, flagSrc } from './app.js';
import { get as storageGet, set as storageSet, getFavorites } from './storage.js';
import { computeStandings, isGroupFinished } from './groups.js';
import { t, translatePhase } from './i18n.js';
import { openMatchModal } from './modal.js';
const ROUNDS = [
{ id: 'R32', phase: 'Round of 32', size: 16 },
{ id: 'R16', phase: 'Round of 16', size: 8 },
{ id: 'QF', phase: 'Quarterfinals', size: 4 },
{ id: 'SF', phase: 'Semifinals', size: 2 },
{ id: 'FINAL', phase: 'Final', size: 1 },
];
// ---------------------------------------------------------------- tree
let cachedTree = null;
// results are static per page load; simulation (step 9) will call this
export function invalidateBracket() {
cachedTree = null;
}
export function getBracketTree() {
if (!cachedTree) cachedTree = buildTree();
return cachedTree;
}
function buildTree() {
const { matches, resultByMatchId, bracketConfig } = getData();
const simulation = storageGet('simulation', {});
const standings = computeStandings();
const matchByRef = new Map(matches.filter((m) => m.bracketRef).map((m) => [m.bracketRef, m]));
const nodesByRef = new Map();
const rounds = [];
let previous = null;
for (const round of ROUNDS) {
const nodes = [];
for (let i = 0; i < round.size; i += 1) {
const ref = round.id === 'FINAL' ? 'FINAL' : `${round.id}-${i + 1}`;
const node = {
ref,
round: round.id,
phase: round.phase,
match: matchByRef.get(ref) ?? null,
home: null,
away: null,
winner: null,
loser: null,
result: null,
};
if (round.id === 'R32') {
const entry = bracketConfig.round32[i];
node.home = configSlot(entry.home, standings, bracketConfig);
node.away = configSlot(entry.away, standings, bracketConfig);
} else {
node.home = previous[i * 2].winner ? { teamId: previous[i * 2].winner } : { ph: { kind: 'tbd' } };
node.away = previous[i * 2 + 1].winner ? { teamId: previous[i * 2 + 1].winner } : { ph: { kind: 'tbd' } };
}
decide(node, resultByMatchId);
applySimulation(node, simulation);
nodes.push(node);
nodesByRef.set(ref, node);
}
rounds.push({ ...round, nodes });
previous = nodes;
}
const [sf1, sf2] = rounds.find((r) => r.id === 'SF').nodes;
const third = {
ref: 'THIRD-PLACE',
round: 'THIRD',
phase: 'Third Place',
match: matchByRef.get('THIRD-PLACE') ?? null,
home: sf1.loser ? { teamId: sf1.loser } : { ph: { kind: 'tbd' } },
away: sf2.loser ? { teamId: sf2.loser } : { ph: { kind: 'tbd' } },
winner: null,
loser: null,
result: null,
};
decide(third, resultByMatchId);
applySimulation(third, simulation);
nodesByRef.set('THIRD-PLACE', third);
return { rounds, third, nodesByRef, champion: nodesByRef.get('FINAL').winner };
}
function configSlot(spec, standings, config) {
if (spec.type === 'third') {
const group = config.thirdPlaceAssignment?.[String(spec.slot)];
if (group && isGroupFinished(group)) return { teamId: standings[group][2].teamId };
return { ph: { kind: 'third', n: spec.slot } };
}
if (isGroupFinished(spec.ref)) return { teamId: standings[spec.ref][spec.pos - 1].teamId };
return { ph: { kind: spec.pos === 1 ? 'groupWinner' : 'groupRunnerUp', g: spec.ref } };
}
// real finished results only — the simulation overlay is applySimulation()'s
// job and always loses to a real result
function decide(node, resultByMatchId) {
const result = node.match ? resultByMatchId.get(node.match.id) : null;
node.result = result ?? null;
node.simulated = false;
node.simScore = null;
if (!result || result.status !== 'finished' || !node.home.teamId || !node.away.teamId) return;
let side = result.homeScore > result.awayScore ? 'home'
: result.homeScore < result.awayScore ? 'away'
: null;
if (!side && result.penalties) {
side = result.penalties.home > result.penalties.away ? 'home' : 'away';
}
if (!side) return;
node.winner = node[side].teamId;
node.loser = node[side === 'home' ? 'away' : 'home'].teamId;
}
function isSimulatable(node) {
const realLocked = node.result && node.result.status !== 'scheduled';
return Boolean(node.match) && !realLocked && Boolean(node.home.teamId) && Boolean(node.away.teamId);
}
// User simulation overlays matches without a real final result. Entries whose
// winner no longer matches either resolved team (stale picks after upstream
// changes) are silently ignored — same validation the prediction import uses.
function applySimulation(node, simulation) {
if (node.winner || !node.home.teamId || !node.away.teamId) return;
if (node.result?.status === 'finished') return;
const entry = simulation[node.ref];
if (!entry || (entry.winner !== node.home.teamId && entry.winner !== node.away.teamId)) return;
node.winner = entry.winner;
node.loser = entry.winner === node.home.teamId ? node.away.teamId : node.home.teamId;
node.simulated = true;
const parsed = /^(\d+)-(\d+)$/.exec(entry.score ?? '');
node.simScore = parsed ? { home: Number(parsed[1]), away: Number(parsed[2]) } : null;
}
// ------------------------------------------------------ display helpers
function slotDisplay(slot) {
if (slot?.teamId) {
const team = getData().teamById.get(slot.teamId);
return { team, label: team.name };
}
const ph = slot?.ph ?? { kind: 'tbd' };
switch (ph.kind) {
case 'groupWinner': return { team: null, label: t('bracket.groupWinner').replace('{g}', ph.g) };
case 'groupRunnerUp': return { team: null, label: t('bracket.groupRunnerUp').replace('{g}', ph.g) };
case 'third': return { team: null, label: t('bracket.bestThird').replace('{n}', ph.n) };
default: return { team: null, label: t('app.tbd') };
}
}
// Shared by schedule.js and modal.js: given a match (group or knockout) or a
// bracketRef string, returns { home, away } as { team: Team|null, label }.
export function resolveBracketTeams(matchOrRef) {
const ref = typeof matchOrRef === 'string' ? matchOrRef : matchOrRef.bracketRef;
if (!ref) {
const { teamById } = getData();
const make = (id) => {
const team = teamById.get(id) ?? null;
return { team, label: team?.name ?? t('app.tbd') };
};
return { home: make(matchOrRef.homeTeam), away: make(matchOrRef.awayTeam) };
}
const node = getBracketTree().nodesByRef.get(ref);
if (!node) {
const tbd = { team: null, label: t('app.tbd') };
return { home: tbd, away: tbd };
}
return { home: slotDisplay(node.home), away: slotDisplay(node.away) };
}
// ------------------------------------------------ shared favorites helper
// Matches involving a favorited team — shared by schedule.js and bracket.js.
// Uses resolved slots so knockout matches count once their teams are known.
export function getFavoriteMatches(matches, favorites) {
if (!favorites.length) return [];
const favSet = new Set(favorites);
return matches.filter((match) => {
const slots = resolveBracketTeams(match);
return favSet.has(slots.home.team?.id) || favSet.has(slots.away.team?.id);
});
}
// --------------------------------------------------- challenge (step 12)
// For every knockout match with a real finished result, compares the actual
// winner with the user's simulated pick. Recalculated on every render — no
// persistence of its own.
export function calculateChallengeScore(simulation, results, bracketTree) {
const resultById = new Map(results.map((r) => [r.matchId, r]));
const byPhaseCount = {};
let correct = 0;
let total = 0;
for (const node of bracketTree.nodesByRef.values()) {
if (!node.match || !node.home.teamId || !node.away.teamId) continue;
const result = resultById.get(node.match.id);
if (result?.status !== 'finished') continue;
let side = result.homeScore > result.awayScore ? 'home'
: result.homeScore < result.awayScore ? 'away'
: null;
if (!side && result.penalties) {
side = result.penalties.home > result.penalties.away ? 'home' : 'away';
}
if (!side) continue;
const realWinner = node[side].teamId;
total += 1;
byPhaseCount[node.phase] ??= { correct: 0, total: 0 };
byPhaseCount[node.phase].total += 1;
if (simulation[node.ref]?.winner === realWinner) {
correct += 1;
byPhaseCount[node.phase].correct += 1;
}
}
const byPhase = Object.fromEntries(
Object.entries(byPhaseCount).map(([phase, c]) => [phase, `${c.correct}/${c.total}`]),
);
return { correct, total, byPhase };
}
// ------------------------------------------- share prediction (step 12)
export function getShareableLink() {
const url = new URL(location.href);
url.searchParams.set('prediction', btoa(JSON.stringify(getSimulation())));
return url.toString();
}
// Reads ?prediction= on load. Applies only if every key exists in the current
// bracket tree and the user confirms; invalid/incompatible data is silently
// ignored. The param is removed from the URL either way.
export function loadPredictionFromURL() {
const param = new URLSearchParams(location.search).get('prediction');
if (!param) return;
const cleanURL = new URL(location.href);
cleanURL.searchParams.delete('prediction');
history.replaceState(null, '', cleanURL);
try {
const data = JSON.parse(atob(param));
if (typeof data !== 'object' || data === null || Array.isArray(data)) return;
const entries = Object.entries(data);
if (!entries.length) return;
const tree = getBracketTree();
const valid = entries.every(([ref, entry]) =>
tree.nodesByRef.has(ref) && entry && typeof entry.winner === 'string');
if (!valid) return;
if (window.confirm(t('share.confirm'))) {
storageSet('simulation', data);
refreshAfterSimChange();
}
} catch {
// malformed base64/JSON — ignore silently per spec
}
}
// -------------------------------------------------------------- render
export function initBracket() {
render();
document.addEventListener('langchange', render);
document.addEventListener('favchange', render);
loadPredictionFromURL();
const root = document.getElementById('bracket-root');
const activate = (el) => {
if (simMode) {
const node = getBracketTree().nodesByRef.get(el.dataset.ref);
if (node && isSimulatable(node)) {
openSimEditor(el.dataset.ref);
return;
}
}
openMatchModal(Number(el.dataset.matchId));
};
root.addEventListener('click', (event) => {
const node = event.target.closest('[data-match-id]');
if (node) activate(node);
});
root.addEventListener('keydown', (event) => {
if (event.key !== 'Enter' && event.key !== ' ') return;
const node = event.target.closest('[data-match-id]');
if (node) {
event.preventDefault();
activate(node);
}
});
}
function challengeCardHTML(challenge) {
const phases = Object.entries(challenge.byPhase)
.map(([phase, score]) => `<span class="challenge-phase">${translatePhase(phase)}: ${score}</span>`)
.join('');
const summary = t('challenge.correct')
.replace('{x}', challenge.correct)
.replace('{y}', challenge.total);
return `
<div class="challenge-card glass">
<span class="challenge-title">${t('challenge.title')}</span>
<span class="challenge-score">${summary}</span>
${phases}
</div>`;
}
function render() {
const tree = getBracketTree();
const simulation = getSimulation();
const challenge = calculateChallengeScore(simulation, getData().results, tree);
const hasPicks = Object.keys(simulation).length > 0;
document.getElementById('bracket-root').innerHTML = `
${challenge.total ? challengeCardHTML(challenge) : ''}
<div class="bracket-toolbar">
<div class="bracket-tools-left">
<button class="zoom-btn sim-toggle ${simMode ? 'active' : ''}" id="sim-toggle"
aria-pressed="${simMode}">${t('sim.mode')}</button>
<button class="zoom-btn" id="sim-reset">${t('sim.reset')}</button>
<button class="zoom-btn" id="share-pred" ${hasPicks ? '' : 'disabled'}>${t('share.button')}</button>
</div>
<div class="bracket-tools-right">
<button class="zoom-btn" id="zoom-out" aria-label="${t('bracket.zoomOut')}"></button>
<button class="zoom-btn zoom-reset" id="zoom-reset" aria-label="${t('bracket.zoomReset')}">100%</button>
<button class="zoom-btn" id="zoom-in" aria-label="${t('bracket.zoomIn')}">+</button>
</div>
</div>
${simMode ? `<p class="sim-note">${t('sim.hint')}</p>` : ''}
<div class="bracket-wrap" id="bracket-wrap">
<div class="bracket-zoom" id="bracket-zoom">
<div class="bracket ${simMode ? 'sim-on' : ''}" id="bracket-canvas">
${tree.rounds.filter((r) => r.id !== 'FINAL').map(roundColumnHTML).join('')}
${finalColumnHTML(tree)}
</div>
</div>
</div>`;
document.getElementById('sim-toggle').addEventListener('click', () => {
simMode = !simMode;
render();
});
document.getElementById('sim-reset').addEventListener('click', () => {
storageSet('simulation', {});
refreshAfterSimChange();
});
document.getElementById('share-pred').addEventListener('click', async (event) => {
const btn = event.currentTarget;
const link = getShareableLink();
try {
await navigator.clipboard.writeText(link);
const original = btn.textContent;
btn.textContent = t('share.copied');
setTimeout(() => { btn.textContent = original; }, 2000);
} catch {
window.prompt(t('share.button'), link); // clipboard unavailable — let the user copy manually
}
});
initInteractions();
}
function roundColumnHTML(round) {
const pairs = [];
for (let i = 0; i < round.nodes.length; i += 2) {
pairs.push(`
<div class="bracket-pair">
<div class="bracket-slot">${matchNodeHTML(round.nodes[i])}</div>
<div class="bracket-slot">${matchNodeHTML(round.nodes[i + 1])}</div>
</div>`);
}
return `
<div class="bracket-round" data-round="${round.id}">
<h3 class="bracket-round-title">${translatePhase(round.phase)}</h3>
<div class="bracket-matches">${pairs.join('')}</div>
</div>`;
}
function finalColumnHTML(tree) {
const finalNode = tree.rounds.find((r) => r.id === 'FINAL').nodes[0];
const champion = tree.champion ? slotDisplay({ teamId: tree.champion }) : null;
return `
<div class="bracket-round bracket-final-col" data-round="FINAL">
<h3 class="bracket-round-title">${translatePhase('Final')}</h3>
<div class="bracket-matches">
<div class="bracket-slot bracket-champion-slot">
<div class="champion-box ${champion ? 'has-champion' : ''}">
<span class="champion-trophy" aria-hidden="true">🏆</span>
<span class="champion-label">${t('bracket.champion')}</span>
<span class="champion-name">${champion ? champion.label : t('app.tbd')}</span>
</div>
</div>
<div class="bracket-slot">${matchNodeHTML(finalNode)}</div>
<div class="bracket-slot bracket-third-slot">
<div class="third-place-block">
<h4>${translatePhase('Third Place')}</h4>
${matchNodeHTML(tree.third)}
</div>
</div>
</div>
</div>`;
}
function matchNodeHTML(node) {
const home = slotDisplay(node.home);
const away = slotDisplay(node.away);
const live = node.result?.status === 'live';
const favorites = getFavorites();
const hasFav = favorites.includes(node.home.teamId) || favorites.includes(node.away.teamId);
const classes = [
'bracket-match',
live ? 'is-live' : '',
node.simulated ? 'is-sim' : '',
hasFav ? 'has-fav' : '',
simMode && isSimulatable(node) ? 'simulatable' : '',
].filter(Boolean).join(' ');
const interactive = node.match
? `data-match-id="${node.match.id}" tabindex="0" role="button"
aria-label="${home.label} ${t('hero.vs')} ${away.label} — ${translatePhase(node.phase)}"`
: '';
return `
<article class="${classes}" data-ref="${node.ref}" ${interactive}>
${node.simulated ? `<span class="sim-chip">${t('sim.chip')}</span>` : ''}
${teamRowHTML(home, node, 'home')}
${teamRowHTML(away, node, 'away')}
</article>`;
}
// ----------------------------------------------------- simulation (step 9)
let simMode = false;
function getSimulation() {
return storageGet('simulation', {});
}
function refreshAfterSimChange() {
invalidateBracket();
render();
document.dispatchEvent(new CustomEvent('simchange'));
}
function ensureSimDialog() {
if (document.getElementById('sim-dialog')) return;
document.getElementById('modal-root').insertAdjacentHTML(
'beforeend',
'<dialog class="match-modal sim-modal" id="sim-dialog"></dialog>',
);
const dialog = document.getElementById('sim-dialog');
dialog.addEventListener('click', (event) => {
if (event.target === dialog) dialog.close();
});
}
function openSimEditor(ref) {
ensureSimDialog();
const dialog = document.getElementById('sim-dialog');
const node = getBracketTree().nodesByRef.get(ref);
const existing = getSimulation()[ref] ?? null;
const home = slotDisplay(node.home);
const away = slotDisplay(node.away);
const [scoreHome, scoreAway] = (existing?.score ?? '').split('-');
let selected = existing?.winner ?? null;
const teamButton = (slot, display) => `
<button class="sim-team ${selected === slot.teamId ? 'active' : ''}" data-team="${slot.teamId}">
<img class="flag" src="${flagSrc(display.team)}" alt="" width="34" height="23">
<span>${display.label}</span>
</button>`;
dialog.innerHTML = `
<div class="modal-content">
<header class="modal-top">
<p class="modal-phase">${t('sim.title')} ${translatePhase(node.phase)}</p>
<button class="modal-close" data-close aria-label="${t('modal.close')}"></button>
</header>
<p class="sim-hint">${t('sim.pickWinner')}</p>
<div class="sim-teams">
${teamButton(node.home, home)}
${teamButton(node.away, away)}
</div>
<div class="sim-scores">
<label>${home.label}
<input class="filter-control" type="number" id="sim-score-home" min="0" max="99"
inputmode="numeric" value="${scoreHome ?? ''}">
</label>
<label>${away.label}
<input class="filter-control" type="number" id="sim-score-away" min="0" max="99"
inputmode="numeric" value="${scoreAway ?? ''}">
</label>
</div>
<div class="sim-actions">
<button class="link-btn" id="sim-clear" ${existing ? '' : 'hidden'}>${t('sim.clear')}</button>
<button class="btn-primary" id="sim-save" ${selected ? '' : 'disabled'}>${t('sim.save')}</button>
</div>
</div>`;
const saveBtn = dialog.querySelector('#sim-save');
const homeInput = dialog.querySelector('#sim-score-home');
const awayInput = dialog.querySelector('#sim-score-away');
const select = (teamId) => {
selected = teamId;
for (const btn of dialog.querySelectorAll('.sim-team')) {
btn.classList.toggle('active', btn.dataset.team === teamId);
}
saveBtn.disabled = !selected;
};
for (const btn of dialog.querySelectorAll('.sim-team')) {
btn.addEventListener('click', () => select(btn.dataset.team));
}
// an unequal score implies the winner; a draw needs an explicit pick (pens)
const onScoreInput = () => {
const h = homeInput.value === '' ? null : Number(homeInput.value);
const a = awayInput.value === '' ? null : Number(awayInput.value);
if (h === null || a === null || h === a) return;
select(h > a ? node.home.teamId : node.away.teamId);
};
homeInput.addEventListener('input', onScoreInput);
awayInput.addEventListener('input', onScoreInput);
dialog.setAttribute('aria-label', `${t('sim.title')}${home.label} ${t('hero.vs')} ${away.label}`);
dialog.querySelector('[data-close]').addEventListener('click', () => dialog.close());
dialog.querySelector('#sim-clear').addEventListener('click', () => {
const simulation = getSimulation();
delete simulation[ref];
storageSet('simulation', simulation);
dialog.close();
refreshAfterSimChange();
});
saveBtn.addEventListener('click', () => {
if (!selected) return;
const h = homeInput.value === '' ? (selected === node.home.teamId ? 1 : 0) : Number(homeInput.value);
const a = awayInput.value === '' ? (selected === node.away.teamId ? 1 : 0) : Number(awayInput.value);
const simulation = getSimulation();
simulation[ref] = { winner: selected, score: `${h}-${a}` };
storageSet('simulation', simulation);
dialog.close();
refreshAfterSimChange();
});
dialog.showModal();
}
// ------------------------------------------------- interactions (step 8)
const ROUND_ORDER = ['R32', 'R16', 'QF', 'SF', 'FINAL'];
// zoom level survives re-renders (language switch) but not reloads
const view = { scale: 1, natW: 0, natH: 0 };
const MIN_SCALE = 0.4;
const MAX_SCALE = 2;
function initInteractions() {
const wrap = document.getElementById('bracket-wrap');
const zoomBox = document.getElementById('bracket-zoom');
const canvas = document.getElementById('bracket-canvas');
view.natW = 0; // re-measure lazily — panel may be hidden right now (offsetWidth 0)
if (view.scale !== 1) applyScale(wrap, zoomBox, canvas);
updateZoomLabel();
const ensureMeasured = () => {
if (view.natW) return true;
if (!canvas.offsetWidth) return false;
view.natW = canvas.offsetWidth;
view.natH = canvas.offsetHeight;
return true;
};
const setScale = (next, cx, cy) => {
if (!ensureMeasured()) return;
const scale = Math.min(MAX_SCALE, Math.max(MIN_SCALE, next));
if (scale === view.scale) return;
const rect = wrap.getBoundingClientRect();
const px = (cx - rect.left + wrap.scrollLeft) / view.scale;
const py = (cy - rect.top + wrap.scrollTop) / view.scale;
view.scale = scale;
applyScale(wrap, zoomBox, canvas);
wrap.scrollLeft = px * scale - (cx - rect.left);
wrap.scrollTop = py * scale - (cy - rect.top);
updateZoomLabel();
};
const zoomAtCenter = (factor) => {
const rect = wrap.getBoundingClientRect();
setScale(view.scale * factor, rect.left + rect.width / 2, rect.top + rect.height / 2);
};
document.getElementById('zoom-in').addEventListener('click', () => zoomAtCenter(1.25));
document.getElementById('zoom-out').addEventListener('click', () => zoomAtCenter(1 / 1.25));
document.getElementById('zoom-reset').addEventListener('click', () => {
if (!ensureMeasured()) return;
view.scale = 1;
applyScale(wrap, zoomBox, canvas);
updateZoomLabel();
});
wrap.addEventListener('wheel', (event) => {
event.preventDefault();
setScale(view.scale * (event.deltaY < 0 ? 1.12 : 1 / 1.12), event.clientX, event.clientY);
}, { passive: false });
// drag to pan (1 pointer) + pinch to zoom (2 pointers)
const pointers = new Map();
let dragging = false;
let dragMoved = false;
let start = null;
let pinch = null;
wrap.addEventListener('pointerdown', (event) => {
pointers.set(event.pointerId, event);
// IMPORTANT: do NOT setPointerCapture here — capturing retargets the
// eventual click to the wrap, which kills match-node clicks (modal and
// simulation). Capture only once a real drag/pinch begins.
if (pointers.size === 1) {
dragging = true;
dragMoved = false;
start = { x: event.clientX, y: event.clientY, left: wrap.scrollLeft, top: wrap.scrollTop };
} else if (pointers.size === 2) {
dragging = false;
for (const p of pointers.values()) {
try { wrap.setPointerCapture(p.pointerId); } catch { /* pointer already gone */ }
}
const [a, b] = [...pointers.values()];
pinch = { dist: Math.hypot(a.clientX - b.clientX, a.clientY - b.clientY), scale: view.scale };
}
});
wrap.addEventListener('pointermove', (event) => {
if (!pointers.has(event.pointerId)) return;
pointers.set(event.pointerId, event);
if (pointers.size === 2 && pinch) {
const [a, b] = [...pointers.values()];
const dist = Math.hypot(a.clientX - b.clientX, a.clientY - b.clientY);
setScale(pinch.scale * (dist / pinch.dist), (a.clientX + b.clientX) / 2, (a.clientY + b.clientY) / 2);
} else if (dragging) {
const dx = event.clientX - start.x;
const dy = event.clientY - start.y;
if (!dragMoved && (Math.abs(dx) > 5 || Math.abs(dy) > 5)) {
dragMoved = true;
try { wrap.setPointerCapture(event.pointerId); } catch { /* pointer already gone */ }
wrap.classList.add('dragging');
}
if (dragMoved) {
wrap.scrollLeft = start.left - dx;
wrap.scrollTop = start.top - dy;
}
}
});
const endPointer = (event) => {
pointers.delete(event.pointerId);
if (pointers.size < 2) pinch = null;
if (pointers.size === 0) {
dragging = false;
wrap.classList.remove('dragging');
}
};
wrap.addEventListener('pointerup', endPointer);
wrap.addEventListener('pointercancel', endPointer);
// a real drag must not fire the match-node click underneath
wrap.addEventListener('click', (event) => {
if (dragMoved) {
event.stopPropagation();
event.preventDefault();
dragMoved = false;
}
}, true);
// hover/focus path highlight
canvas.addEventListener('mouseover', (event) => {
const node = event.target.closest('.bracket-match');
if (node) showPath(node.dataset.ref);
});
canvas.addEventListener('mouseout', () => clearPath());
canvas.addEventListener('focusin', (event) => {
const node = event.target.closest('.bracket-match');
if (node) showPath(node.dataset.ref);
});
canvas.addEventListener('focusout', () => clearPath());
}
function applyScale(wrap, zoomBox, canvas) {
if (view.natW) {
zoomBox.style.width = `${view.natW * view.scale}px`;
zoomBox.style.height = `${view.natH * view.scale}px`;
}
canvas.style.transform = view.scale === 1 ? '' : `scale(${view.scale})`;
if (view.scale === 1) {
zoomBox.style.width = '';
zoomBox.style.height = '';
}
}
function updateZoomLabel() {
const label = document.getElementById('zoom-reset');
if (label) label.textContent = `${Math.round(view.scale * 100)}%`;
}
// ----------------------------------------------------- path highlight
function refOf(roundIndex, nodeIndex) {
const id = ROUND_ORDER[roundIndex];
return id === 'FINAL' ? 'FINAL' : `${id}-${nodeIndex + 1}`;
}
// full path = the hovered node, every feeder below it, and its winner's
// route up to the final
function pathRefs(ref) {
const refs = new Set([ref]);
if (ref === 'THIRD-PLACE') {
refs.add('SF-1');
refs.add('SF-2');
return refs;
}
const [roundId, num] = ref === 'FINAL' ? ['FINAL', '1'] : ref.split('-');
const r = ROUND_ORDER.indexOf(roundId);
if (r < 0) return refs;
let i = Number(num) - 1;
for (let rr = r, ii = i; rr < ROUND_ORDER.length - 1; rr += 1) {
ii = Math.floor(ii / 2);
refs.add(refOf(rr + 1, ii));
}
const stack = [[r, i]];
while (stack.length) {
const [cr, ci] = stack.pop();
if (cr === 0) continue;
for (const child of [ci * 2, ci * 2 + 1]) {
refs.add(refOf(cr - 1, child));
stack.push([cr - 1, child]);
}
}
return refs;
}
function showPath(ref) {
const canvas = document.getElementById('bracket-canvas');
clearPath();
canvas.classList.add('has-path');
for (const r of pathRefs(ref)) {
const el = canvas.querySelector(`[data-ref="${r}"]`);
if (!el) continue;
el.classList.add('path-on');
el.closest('.bracket-slot')?.classList.add('path-on');
el.closest('.bracket-pair')?.classList.add('path-on');
}
}
function clearPath() {
const canvas = document.getElementById('bracket-canvas');
canvas.classList.remove('has-path');
for (const el of canvas.querySelectorAll('.path-on')) el.classList.remove('path-on');
}
function teamRowHTML(display, node, side) {
const { result } = node;
let score = '';
if (result && result.status !== 'scheduled' && node.home.teamId && node.away.teamId) {
const goals = side === 'home' ? result.homeScore : result.awayScore;
const pens = result.penalties
? `<small>(${side === 'home' ? result.penalties.home : result.penalties.away})</small>`
: '';
score = `<span class="bt-score">${goals}${pens}</span>`;
} else if (node.simulated && node.simScore) {
score = `<span class="bt-score sim">${node.simScore[side]}</span>`;
}
const isWinner = node.winner !== null && node[side].teamId === node.winner;
const flag = display.team
? `<img class="flag" src="${flagSrc(display.team)}" alt="" width="20" height="14" loading="lazy">`
: '<span class="bt-flag-ph" aria-hidden="true"></span>';
return `
<div class="bracket-team ${isWinner ? 'winner' : ''} ${display.team ? '' : 'tbd'}">
${flag}
<span class="bt-name">${display.label}</span>
${score}
</div>`;
}

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// calendar.js — "Add to calendar" export (RFC 5545). One VEVENT per match,
// DTSTART/DTEND in UTC with a fixed 2h duration, CRLF line endings (required
// by the spec — some calendar apps reject \n). Knockout team names come from
// resolveBracketTeams().
import { matchDateUTC } from './app.js';
import { resolveBracketTeams } from './bracket.js';
import { translatePhase } from './i18n.js';
// Date → 20260611T160000Z
function icsDate(date) {
return date.toISOString().replace(/[-:]/g, '').replace(/\.\d{3}/, '');
}
// RFC 5545 TEXT escaping: backslash, comma, semicolon, newline
function icsEscape(text) {
return String(text).replace(/\\/g, '\\\\').replace(/,/g, '\\,').replace(/;/g, '\\;').replace(/\n/g, '\\n');
}
export function exportMatchToICS(match, stadium) {
const start = matchDateUTC(match);
const end = new Date(start.getTime() + 2 * 60 * 60 * 1000);
const { home, away } = resolveBracketTeams(match);
const location = stadium ? `${stadium.name}, ${stadium.city}` : match.city;
const lines = [
'BEGIN:VCALENDAR',
'VERSION:2.0',
'PRODID:-//WorldCup2026Hub//EN',
'BEGIN:VEVENT',
`UID:match-${match.id}@worldcup2026hub`,
`DTSTAMP:${icsDate(start)}`,
`DTSTART:${icsDate(start)}`,
`DTEND:${icsDate(end)}`,
`SUMMARY:${icsEscape(`${home.label} x ${away.label}${translatePhase(match.phase)}`)}`,
`LOCATION:${icsEscape(location)}`,
'END:VEVENT',
'END:VCALENDAR',
];
const blob = new Blob([lines.join('\r\n') + '\r\n'], { type: 'text/calendar' });
const link = document.createElement('a');
link.href = URL.createObjectURL(blob);
link.download = `match-${match.id}.ics`;
document.body.appendChild(link);
link.click();
link.remove();
URL.revokeObjectURL(link.href);
}

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// groups.js — standings computed from groups.json + results.json and the 12
// group tables. Only matches with status "finished" count toward standings
// (live scores are ignored until full-time). computeStandings() and
// isGroupFinished() are reused by bracket.js to resolve the Round of 32.
import { getData, flagSrc } from './app.js';
import { t } from './i18n.js';
import { getFavorites } from './storage.js';
// Tiebreak order per complement spec §2: points, goal difference, goals for.
// Team id alphabetical as a final stable fallback.
export function computeStandings() {
const { groups, matches, resultByMatchId } = getData();
const tables = {};
for (const [letter, teamIds] of Object.entries(groups)) {
tables[letter] = new Map(teamIds.map((id) => [id, {
teamId: id, played: 0, won: 0, drawn: 0, lost: 0, gf: 0, ga: 0, gd: 0, points: 0,
}]));
}
for (const match of matches) {
if (!match.phase.startsWith('Group ')) continue;
const result = resultByMatchId.get(match.id);
if (result?.status !== 'finished') continue;
const rows = tables[match.phase.slice(6)];
applyResult(rows.get(match.homeTeam), result.homeScore, result.awayScore);
applyResult(rows.get(match.awayTeam), result.awayScore, result.homeScore);
}
const standings = {};
for (const [letter, rows] of Object.entries(tables)) {
standings[letter] = [...rows.values()].sort((a, b) =>
b.points - a.points || b.gd - a.gd || b.gf - a.gf || a.teamId.localeCompare(b.teamId));
}
return standings;
}
function applyResult(row, scored, conceded) {
row.played += 1;
row.gf += scored;
row.ga += conceded;
row.gd = row.gf - row.ga;
if (scored > conceded) { row.won += 1; row.points += 3; }
else if (scored === conceded) { row.drawn += 1; row.points += 1; }
else { row.lost += 1; }
}
export function isGroupFinished(letter) {
const { matches, resultByMatchId } = getData();
return matches
.filter((m) => m.phase === `Group ${letter}`)
.every((m) => resultByMatchId.get(m.id)?.status === 'finished');
}
// -------------------------------------------------------------- render
export function initGroups() {
render();
document.addEventListener('langchange', render);
document.addEventListener('favchange', render);
}
function render() {
const standings = computeStandings();
document.getElementById('groups-root').innerHTML = `
<p class="standings-legend">
<span class="legend-item"><span class="legend-dot qualified"></span>${t('standings.legendTop2')}</span>
<span class="legend-item"><span class="legend-dot third"></span>${t('standings.legendThird')}</span>
</p>
<div class="groups-grid">
${Object.entries(standings).map(([letter, rows]) => groupCardHTML(letter, rows)).join('')}
</div>`;
}
function groupCardHTML(letter, rows) {
const finished = isGroupFinished(letter);
const headers = ['played', 'won', 'drawn', 'lost', 'gf', 'ga', 'gd', 'pts']
.map((key) => `<th class="${key === 'gf' || key === 'ga' ? 'col-goals' : ''}" scope="col">${t(`standings.${key}`)}</th>`)
.join('');
return `
<section class="group-card glass" aria-labelledby="group-title-${letter}">
<header class="group-card-header">
<h3 id="group-title-${letter}">${t('phase.group')} ${letter}</h3>
${finished ? '' : `<span class="group-progress">${t('standings.inProgress')}</span>`}
</header>
<table class="standings-table">
<thead>
<tr><th scope="col">#</th><th class="col-team" scope="col">${t('standings.team')}</th>${headers}</tr>
</thead>
<tbody>${rows.map(standingRowHTML).join('')}</tbody>
</table>
</section>`;
}
function standingRowHTML(row, index) {
const team = getData().teamById.get(row.teamId);
const fav = getFavorites().includes(team.id);
const rankClass = [
index < 2 ? 'row-qualified' : index === 2 ? 'row-third' : '',
fav ? 'fav-row' : '',
].filter(Boolean).join(' ');
return `
<tr class="${rankClass}">
<td>${index + 1}</td>
<td class="col-team">
<img class="flag" src="${flagSrc(team)}" alt="" width="22" height="15" loading="lazy">
<span>${team.name}</span>
<button class="fav-btn ${fav ? 'active' : ''}" data-fav="${team.id}"
aria-pressed="${fav}" aria-label="${t('fav.toggle')} ${team.name}">${fav ? '★' : '☆'}</button>
</td>
<td>${row.played}</td>
<td>${row.won}</td>
<td>${row.drawn}</td>
<td>${row.lost}</td>
<td class="col-goals">${row.gf}</td>
<td class="col-goals">${row.ga}</td>
<td>${row.gd > 0 ? '+' : ''}${row.gd}</td>
<td class="col-pts">${row.points}</td>
</tr>`;
}

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// i18n.js — EN/PT-BR dictionaries + t(key). Every UI string in the app goes
// through t(); static HTML uses data-i18n / data-i18n-aria attributes.
// Language persists in wc2026_prefs.lang; changing it dispatches "langchange"
// so modules can re-render dynamic content.
import { getPrefs, setPref } from './storage.js';
const dicts = {
en: {
'a11y.skip': 'Skip to content',
'a11y.mainNav': 'Main navigation',
'a11y.langSwitch': 'Switch language',
'nav.home': 'Home',
'nav.matches': 'Matches',
'nav.groups': 'Groups',
'nav.bracket': 'Knockout',
'nav.stadiums': 'Stadiums',
'hero.live': 'Live',
'hero.nextMatch': 'Next match',
'hero.kickoff': 'Kickoff!',
'hero.countdownLabel': 'Time until kickoff',
'hero.vs': 'vs',
'countdown.days': 'days',
'countdown.hours': 'hours',
'countdown.minutes': 'min',
'countdown.seconds': 'sec',
'dash.title': 'Tournament overview',
'dash.total': 'Total matches',
'dash.completed': 'Completed',
'dash.upcoming': 'Upcoming',
'dash.teams': 'Teams',
'app.loading': 'Loading data…',
'app.error': 'Could not load tournament data.',
'app.errorHint': 'If you opened index.html directly from disk, serve the folder instead: python -m http.server',
'app.comingSoon': 'This section arrives in a later build step.',
'app.tbd': 'TBD',
'phase.group': 'Group',
'phase.r32': 'Round of 32',
'phase.r16': 'Round of 16',
'phase.qf': 'Quarterfinals',
'phase.sf': 'Semifinals',
'phase.third': 'Third Place',
'phase.final': 'Final',
'schedule.searchPlaceholder': 'Search team, city or stadium…',
'schedule.dateFilter': 'Filter by date',
'schedule.allGroups': 'All groups',
'schedule.allPhases': 'All phases',
'schedule.groupStage': 'Group stage',
'schedule.allTeams': 'All teams',
'schedule.allStadiums': 'All stadiums',
'schedule.sortAsc': 'Date ↑',
'schedule.sortDesc': 'Date ↓',
'schedule.match': 'match',
'schedule.matches': 'matches',
'schedule.noResults': 'No matches found — adjust the filters.',
'schedule.clear': 'Clear filters',
'status.finished': 'Full-time',
'status.pens': 'pens',
'standings.team': 'Team',
'standings.played': 'P',
'standings.won': 'W',
'standings.drawn': 'D',
'standings.lost': 'L',
'standings.gf': 'GF',
'standings.ga': 'GA',
'standings.gd': 'GD',
'standings.pts': 'Pts',
'standings.legendTop2': 'Advance to the Round of 32',
'standings.legendThird': 'In contention for best third place',
'standings.inProgress': 'In progress',
'stadiums.capacity': 'Capacity',
'stadiums.viewMatches': 'View matches',
'status.scheduled': 'Scheduled',
'modal.close': 'Close',
'modal.date': 'Date & time',
'modal.stadium': 'Stadium',
'modal.city': 'City',
'modal.stats': 'Match stats',
'modal.possession': 'Possession',
'modal.shots': 'Shots',
'modal.cards': 'Cards',
'modal.statsSoon': 'Detailed stats will appear here once available.',
'bracket.groupWinner': 'Group {g} Winner',
'bracket.groupRunnerUp': 'Group {g} Runner-up',
'bracket.bestThird': 'Best 3rd #{n}',
'bracket.champion': 'Champion',
'bracket.zoomIn': 'Zoom in',
'bracket.zoomOut': 'Zoom out',
'bracket.zoomReset': 'Reset zoom',
'sim.mode': 'Simulation',
'sim.reset': 'Reset picks',
'sim.hint': 'Simulation on — click a highlighted match to pick its winner. Real results are never changed.',
'sim.title': 'Simulate',
'sim.pickWinner': 'Pick the winner. Equal or empty score means penalties.',
'sim.save': 'Save pick',
'sim.clear': 'Remove pick',
'sim.chip': 'SIM',
'time.local': 'Local time',
'time.stadium': 'Stadium time',
'time.toggleAria': 'Toggle between local and stadium time',
'schedule.myMatches': 'My matches',
'fav.toggle': 'Favorite',
'challenge.title': 'Bracket challenge',
'challenge.correct': '{x} of {y} picks correct',
'share.button': 'Share prediction',
'share.copied': 'Link copied!',
'share.confirm': 'Apply the shared prediction? Your current picks will be replaced.',
'modal.addCalendar': 'Add to calendar',
'footer.note': 'Fan-made static hub — all data lives in JSON files.',
},
pt: {
'a11y.skip': 'Pular para o conteúdo',
'a11y.mainNav': 'Navegação principal',
'a11y.langSwitch': 'Trocar idioma',
'nav.home': 'Início',
'nav.matches': 'Partidas',
'nav.groups': 'Grupos',
'nav.bracket': 'Mata-mata',
'nav.stadiums': 'Estádios',
'hero.live': 'Ao vivo',
'hero.nextMatch': 'Próxima partida',
'hero.kickoff': 'Bola rolando!',
'hero.countdownLabel': 'Tempo até o início da partida',
'hero.vs': 'vs',
'countdown.days': 'dias',
'countdown.hours': 'horas',
'countdown.minutes': 'min',
'countdown.seconds': 'seg',
'dash.title': 'Visão geral do torneio',
'dash.total': 'Total de partidas',
'dash.completed': 'Encerradas',
'dash.upcoming': 'Próximas',
'dash.teams': 'Seleções',
'app.loading': 'Carregando dados…',
'app.error': 'Não foi possível carregar os dados do torneio.',
'app.errorHint': 'Se você abriu o index.html direto do disco, sirva a pasta: python -m http.server',
'app.comingSoon': 'Esta seção chega em uma próxima etapa.',
'app.tbd': 'A definir',
'phase.group': 'Grupo',
'phase.r32': '16 avos de final',
'phase.r16': 'Oitavas de final',
'phase.qf': 'Quartas de final',
'phase.sf': 'Semifinais',
'phase.third': 'Disputa de 3º lugar',
'phase.final': 'Final',
'schedule.searchPlaceholder': 'Buscar seleção, cidade ou estádio…',
'schedule.dateFilter': 'Filtrar por data',
'schedule.allGroups': 'Todos os grupos',
'schedule.allPhases': 'Todas as fases',
'schedule.groupStage': 'Fase de grupos',
'schedule.allTeams': 'Todas as seleções',
'schedule.allStadiums': 'Todos os estádios',
'schedule.sortAsc': 'Data ↑',
'schedule.sortDesc': 'Data ↓',
'schedule.match': 'partida',
'schedule.matches': 'partidas',
'schedule.noResults': 'Nenhuma partida encontrada — ajuste os filtros.',
'schedule.clear': 'Limpar filtros',
'status.finished': 'Encerrado',
'status.pens': 'pên.',
'standings.team': 'Seleção',
'standings.played': 'J',
'standings.won': 'V',
'standings.drawn': 'E',
'standings.lost': 'D',
'standings.gf': 'GP',
'standings.ga': 'GC',
'standings.gd': 'SG',
'standings.pts': 'Pts',
'standings.legendTop2': 'Avançam aos 16 avos de final',
'standings.legendThird': 'Na briga por melhor 3º lugar',
'standings.inProgress': 'Em andamento',
'stadiums.capacity': 'Capacidade',
'stadiums.viewMatches': 'Ver partidas',
'status.scheduled': 'Agendada',
'modal.close': 'Fechar',
'modal.date': 'Data e hora',
'modal.stadium': 'Estádio',
'modal.city': 'Cidade',
'modal.stats': 'Estatísticas',
'modal.possession': 'Posse de bola',
'modal.shots': 'Finalizações',
'modal.cards': 'Cartões',
'modal.statsSoon': 'Estatísticas detalhadas aparecerão aqui quando disponíveis.',
'bracket.groupWinner': '1º do Grupo {g}',
'bracket.groupRunnerUp': '2º do Grupo {g}',
'bracket.bestThird': 'Melhor 3º #{n}',
'bracket.champion': 'Campeão',
'bracket.zoomIn': 'Aproximar',
'bracket.zoomOut': 'Afastar',
'bracket.zoomReset': 'Restaurar zoom',
'sim.mode': 'Simulação',
'sim.reset': 'Limpar palpites',
'sim.hint': 'Simulação ativa — clique numa partida destacada para escolher o vencedor. Resultados reais nunca mudam.',
'sim.title': 'Simular',
'sim.pickWinner': 'Escolha o vencedor. Placar igual ou vazio indica pênaltis.',
'sim.save': 'Salvar palpite',
'sim.clear': 'Remover palpite',
'sim.chip': 'SIM',
'time.local': 'Hora local',
'time.stadium': 'Hora do estádio',
'time.toggleAria': 'Alternar entre hora local e do estádio',
'schedule.myMatches': 'Minhas partidas',
'fav.toggle': 'Favoritar',
'challenge.title': 'Bolão do mata-mata',
'challenge.correct': '{x} de {y} palpites certos',
'share.button': 'Compartilhar palpites',
'share.copied': 'Link copiado!',
'share.confirm': 'Aplicar os palpites compartilhados? Seus palpites atuais serão substituídos.',
'modal.addCalendar': 'Adicionar à agenda',
'footer.note': 'Hub estático feito por fãs — todos os dados vivem em arquivos JSON.',
},
};
let lang = 'en';
export function initI18n() {
const saved = getPrefs().lang;
lang = saved ?? (navigator.language?.toLowerCase().startsWith('pt') ? 'pt' : 'en');
document.documentElement.lang = getLocale();
applyI18n();
}
export function t(key) {
return dicts[lang][key] ?? dicts.en[key] ?? key;
}
export function getLang() {
return lang;
}
export function getLocale() {
return lang === 'pt' ? 'pt-BR' : 'en-US';
}
export function setLang(next) {
if (next === lang || !dicts[next]) return;
lang = next;
setPref('lang', next);
document.documentElement.lang = getLocale();
applyI18n();
document.dispatchEvent(new CustomEvent('langchange'));
}
export function applyI18n(root = document) {
for (const el of root.querySelectorAll('[data-i18n]')) {
el.textContent = t(el.dataset.i18n);
}
for (const el of root.querySelectorAll('[data-i18n-aria]')) {
el.setAttribute('aria-label', t(el.dataset.i18nAria));
}
}
// Phase labels come from matches.json in English ("Group A", "Round of 32"…);
// translate the known ones, pass anything else through untouched.
const PHASE_KEYS = {
'Round of 32': 'phase.r32',
'Round of 16': 'phase.r16',
Quarterfinals: 'phase.qf',
Semifinals: 'phase.sf',
'Third Place': 'phase.third',
Final: 'phase.final',
};
export function translatePhase(phase) {
if (phase.startsWith('Group ')) return `${t('phase.group')} ${phase.slice(6)}`;
const key = PHASE_KEYS[phase];
return key ? t(key) : phase;
}

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// modal.js — match detail modal built on the native <dialog> element
// (focus trap, Esc-to-close and ::backdrop for free). Shows teams, time,
// stadium, city, capacity, result (+penalties) and a placeholder section for
// future stats (possession, shots, cards). "Add to calendar" lands in step 12.
import { getData, formatMatchTime, flagSrc } from './app.js';
import { t, getLocale, translatePhase } from './i18n.js';
import { resolveBracketTeams } from './bracket.js';
import { getFavorites } from './storage.js';
import { exportMatchToICS } from './calendar.js';
let dialog = null;
let currentMatchId = null;
let lastFocused = null;
export function initModal() {
document.getElementById('modal-root').innerHTML =
'<dialog class="match-modal" id="match-dialog"></dialog>';
dialog = document.getElementById('match-dialog');
// a click on the dialog element itself (not its padded content) = backdrop
dialog.addEventListener('click', (event) => {
if (event.target === dialog) dialog.close();
});
dialog.addEventListener('close', () => {
currentMatchId = null;
lastFocused?.focus?.();
});
const rerenderIfOpen = () => {
if (dialog.open && currentMatchId) renderContent(currentMatchId);
};
document.addEventListener('langchange', rerenderIfOpen);
document.addEventListener('favchange', rerenderIfOpen);
document.addEventListener('timemodechange', rerenderIfOpen);
}
export function openMatchModal(matchId) {
lastFocused = document.activeElement;
currentMatchId = matchId;
renderContent(matchId);
dialog.showModal();
}
// -------------------------------------------------------------- render
function renderContent(matchId) {
const { matches, resultByMatchId, stadiumByName } = getData();
const match = matches.find((m) => m.id === matchId);
if (!match) return;
const result = resultByMatchId.get(matchId);
const status = result?.status ?? 'scheduled';
const stadium = stadiumByName.get(match.stadium);
const slots = resolveBracketTeams(match);
const numberFmt = new Intl.NumberFormat(getLocale());
const statusChip =
status === 'live' ? `<span class="match-status live pulse">● ${t('hero.live')}</span>`
: status === 'finished' ? `<span class="match-status finished">${t('status.finished')}</span>`
: `<span class="match-status">${t('status.scheduled')}</span>`;
let center;
if (status === 'finished' || status === 'live') {
const pens = result.penalties
? `<span class="match-pens">(${result.penalties.home}${result.penalties.away} ${t('status.pens')})</span>`
: '';
center = `<div class="modal-score">${result.homeScore}<span class="match-score-sep"></span>${result.awayScore}${pens}</div>`;
} else {
center = `<span class="hero-vs">${t('hero.vs')}</span>`;
}
dialog.innerHTML = `
<div class="modal-content slide-up" role="document">
<header class="modal-top">
<p class="modal-phase">${translatePhase(match.phase)} ${statusChip}</p>
<button class="modal-close" data-close aria-label="${t('modal.close')}"></button>
</header>
<div class="modal-matchup">
${teamHTML(slots.home)}
${center}
${teamHTML(slots.away)}
</div>
<dl class="modal-info">
<div><dt>${t('modal.date')}</dt><dd>${formatMatchTime(match, stadium)}</dd></div>
<div><dt>${t('modal.stadium')}</dt><dd>${match.stadium}</dd></div>
<div><dt>${t('modal.city')}</dt><dd>${match.city}</dd></div>
<div><dt>${t('stadiums.capacity')}</dt><dd>${stadium ? numberFmt.format(stadium.capacity) : ''}</dd></div>
</dl>
<section class="modal-stats" aria-label="${t('modal.stats')}">
<h3>${t('modal.stats')}</h3>
${statRow(t('modal.possession'))}
${statRow(t('modal.shots'))}
${statRow(t('modal.cards'))}
<p class="modal-stats-note">${t('modal.statsSoon')}</p>
</section>
<div class="modal-actions">
<button class="btn-primary" id="modal-ics">${t('modal.addCalendar')}</button>
</div>
</div>`;
dialog.setAttribute('aria-label', `${slots.home.label} ${t('hero.vs')} ${slots.away.label}${translatePhase(match.phase)}`);
dialog.querySelector('[data-close]').addEventListener('click', () => dialog.close());
dialog.querySelector('#modal-ics').addEventListener('click', () => exportMatchToICS(match, stadium));
}
function teamHTML(slot) {
if (!slot.team) return `<div class="hero-team"><span class="match-team-name tbd">${slot.label}</span></div>`;
const fav = getFavorites().includes(slot.team.id);
return `
<div class="hero-team">
<img class="flag" src="${flagSrc(slot.team)}" alt="" width="48" height="32">
<span class="modal-team-name">${slot.team.name}
<button class="fav-btn ${fav ? 'active' : ''}" data-fav="${slot.team.id}"
aria-pressed="${fav}" aria-label="${t('fav.toggle')} ${slot.team.name}">${fav ? '★' : '☆'}</button>
</span>
</div>`;
}
// placeholder row — real values will replace the dashes when stats data exists
function statRow(label) {
return `
<div class="modal-stat-row">
<span></span>
<span class="modal-stat-label">${label}</span>
<span></span>
</div>`;
}

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// schedule.js — match schedule: list cards, filters (date, group, phase,
// team, stadium), diacritic-insensitive search, date sort.
// Knockout team names show as TBD until resolveBracketTeams() lands (step 7).
import { getData, formatMatchTime, matchDateUTC, flagSrc } from './app.js';
import { t, translatePhase } from './i18n.js';
import { openMatchModal } from './modal.js';
import { resolveBracketTeams, getFavoriteMatches } from './bracket.js';
import { getFavorites } from './storage.js';
const KNOCKOUT_PHASES = ['Round of 32', 'Round of 16', 'Quarterfinals', 'Semifinals', 'Third Place', 'Final'];
const state = { search: '', date: '', group: '', phase: '', team: '', stadium: '', sort: 'asc', favOnly: false };
export function initSchedule() {
renderToolbar();
renderList();
document.addEventListener('langchange', () => {
renderToolbar();
renderList();
});
// simulated picks change resolved knockout teams shown on cards
document.addEventListener('simchange', renderList);
document.addEventListener('favchange', renderList);
document.addEventListener('timemodechange', renderList);
// delegation on the panel root — survives every list re-render
const root = document.getElementById('schedule-root');
root.addEventListener('click', (event) => {
if (event.target.closest('.fav-btn')) return; // star toggles, never opens
const card = event.target.closest('.match-card');
if (card) openMatchModal(Number(card.dataset.matchId));
});
root.addEventListener('keydown', (event) => {
if (event.key !== 'Enter' && event.key !== ' ') return;
if (event.target.closest('.fav-btn')) return;
const card = event.target.closest('.match-card');
if (card) {
event.preventDefault();
openMatchModal(Number(card.dataset.matchId));
}
});
}
// ------------------------------------------------------------- toolbar
function renderToolbar() {
const { teams, groups, stadiums } = getData();
const root = document.getElementById('schedule-root');
const teamOptions = [...teams]
.sort((a, b) => a.name.localeCompare(b.name))
.map((team) => `<option value="${team.id}">${team.name}</option>`).join('');
const groupOptions = Object.keys(groups)
.map((letter) => `<option value="${letter}">${t('phase.group')} ${letter}</option>`).join('');
const phaseOptions = KNOCKOUT_PHASES
.map((phase) => `<option value="${phase}">${translatePhase(phase)}</option>`).join('');
const stadiumOptions = stadiums
.map((s) => `<option value="${s.name}">${s.name}</option>`).join('');
root.innerHTML = `
<div class="schedule-toolbar glass">
<input id="sched-search" class="schedule-search" type="search"
placeholder="${t('schedule.searchPlaceholder')}" aria-label="${t('schedule.searchPlaceholder')}">
<div class="filter-row">
<input id="sched-date" class="filter-control" type="date"
min="2026-06-11" max="2026-07-19" aria-label="${t('schedule.dateFilter')}">
<select id="sched-group" class="filter-control" aria-label="${t('schedule.allGroups')}">
<option value="">${t('schedule.allGroups')}</option>${groupOptions}
</select>
<select id="sched-phase" class="filter-control" aria-label="${t('schedule.allPhases')}">
<option value="">${t('schedule.allPhases')}</option>
<option value="groups">${t('schedule.groupStage')}</option>${phaseOptions}
</select>
<select id="sched-team" class="filter-control" aria-label="${t('schedule.allTeams')}">
<option value="">${t('schedule.allTeams')}</option>${teamOptions}
</select>
<select id="sched-stadium" class="filter-control" aria-label="${t('schedule.allStadiums')}">
<option value="">${t('schedule.allStadiums')}</option>${stadiumOptions}
</select>
<button id="sched-sort" class="filter-control sort-btn"></button>
<button id="sched-fav" class="filter-control fav-filter ${state.favOnly ? 'active' : ''}"
aria-pressed="${state.favOnly}"> ${t('schedule.myMatches')}</button>
</div>
</div>
<p class="schedule-count">
<span id="sched-count" aria-live="polite"></span>
<button id="sched-clear" class="link-btn">${t('schedule.clear')}</button>
</p>
<div class="match-grid" id="sched-list"></div>`;
// restore current filter values after a rebuild (e.g. language change)
byId('sched-search').value = state.search;
byId('sched-date').value = state.date;
byId('sched-group').value = state.group;
byId('sched-phase').value = state.phase;
byId('sched-team').value = state.team;
byId('sched-stadium').value = state.stadium;
syncSortLabel();
byId('sched-search').addEventListener('input', (e) => setFilter('search', e.target.value));
byId('sched-date').addEventListener('change', (e) => setFilter('date', e.target.value));
byId('sched-group').addEventListener('change', (e) => setFilter('group', e.target.value));
byId('sched-phase').addEventListener('change', (e) => setFilter('phase', e.target.value));
byId('sched-team').addEventListener('change', (e) => setFilter('team', e.target.value));
byId('sched-stadium').addEventListener('change', (e) => setFilter('stadium', e.target.value));
byId('sched-sort').addEventListener('click', () => {
state.sort = state.sort === 'asc' ? 'desc' : 'asc';
syncSortLabel();
renderList();
});
byId('sched-fav').addEventListener('click', () => {
state.favOnly = !state.favOnly;
const btn = byId('sched-fav');
btn.classList.toggle('active', state.favOnly);
btn.setAttribute('aria-pressed', String(state.favOnly));
renderList();
});
byId('sched-clear').addEventListener('click', () => {
Object.assign(state, { search: '', date: '', group: '', phase: '', team: '', stadium: '', sort: 'asc', favOnly: false });
renderToolbar();
renderList();
});
}
function byId(id) {
return document.getElementById(id);
}
// external entry point (stadiums page) — show only matches at one stadium
export function setStadiumFilter(stadiumName) {
Object.assign(state, { search: '', date: '', group: '', phase: '', team: '', stadium: stadiumName, favOnly: false });
renderToolbar();
renderList();
}
function setFilter(key, value) {
state[key] = value;
renderList();
}
function syncSortLabel() {
byId('sched-sort').textContent = t(state.sort === 'asc' ? 'schedule.sortAsc' : 'schedule.sortDesc');
}
// ------------------------------------------------------------ filtering
function normalize(text) {
return text.normalize('NFD').replace(/[̀-ͯ]/g, '').toLowerCase();
}
function matchesFilters(match) {
if (state.date && match.date !== state.date) return false;
if (state.group && match.phase !== `Group ${state.group}`) return false;
if (state.phase === 'groups' && !match.phase.startsWith('Group')) return false;
if (state.phase && state.phase !== 'groups' && match.phase !== state.phase) return false;
if (state.stadium && match.stadium !== state.stadium) return false;
if (state.team || state.search) {
// resolved teams, so knockout matches are searchable once known
const slots = resolveBracketTeams(match);
if (state.team && slots.home.team?.id !== state.team && slots.away.team?.id !== state.team) return false;
if (state.search) {
const haystack = normalize(`${slots.home.label} ${slots.away.label} ${match.city} ${match.stadium}`);
if (!haystack.includes(normalize(state.search))) return false;
}
}
return true;
}
// -------------------------------------------------------------- render
function renderList() {
const { matches } = getData();
const direction = state.sort === 'asc' ? 1 : -1;
const favIds = state.favOnly
? new Set(getFavoriteMatches(matches, getFavorites()).map((m) => m.id))
: null;
const filtered = matches
.filter((m) => (!favIds || favIds.has(m.id)) && matchesFilters(m))
.sort((a, b) => direction * (matchDateUTC(a) - matchDateUTC(b) || a.id - b.id));
byId('sched-count').textContent =
`${filtered.length} ${filtered.length === 1 ? t('schedule.match') : t('schedule.matches')}`;
byId('sched-list').innerHTML = filtered.length
? filtered.map(matchCardHTML).join('')
: `<p class="placeholder glass">${t('schedule.noResults')}</p>`;
}
function teamColumnHTML(slot) {
if (!slot.team) return `<div class="match-team"><span class="match-team-name tbd">${slot.label}</span></div>`;
const fav = getFavorites().includes(slot.team.id);
return `
<div class="match-team">
<img class="flag" src="${flagSrc(slot.team)}" alt="" width="34" height="23" loading="lazy">
<span class="match-team-name">${slot.team.name}
<button class="fav-btn ${fav ? 'active' : ''}" data-fav="${slot.team.id}"
aria-pressed="${fav}" aria-label="${t('fav.toggle')} ${slot.team.name}">${fav ? '★' : '☆'}</button>
</span>
</div>`;
}
function matchCardHTML(match) {
const { resultByMatchId, stadiumByName } = getData();
const result = resultByMatchId.get(match.id);
const status = result?.status ?? 'scheduled';
const stadium = stadiumByName.get(match.stadium);
let statusChip = '';
if (status === 'live') statusChip = `<span class="match-status live pulse">● ${t('hero.live')}</span>`;
else if (status === 'finished') statusChip = `<span class="match-status finished">${t('status.finished')}</span>`;
let center;
if (status === 'finished' || status === 'live') {
const pens = result.penalties
? `<span class="match-pens">(${result.penalties.home}${result.penalties.away} ${t('status.pens')})</span>`
: '';
center = `<div class="match-score">${result.homeScore}<span class="match-score-sep"></span>${result.awayScore}${pens}</div>`;
} else {
center = `<span class="match-vs">${t('hero.vs')}</span>`;
}
const slots = resolveBracketTeams(match);
const favorites = getFavorites();
const hasFav = favorites.includes(slots.home.team?.id) || favorites.includes(slots.away.team?.id);
return `
<article class="match-card glass hover-glow ${hasFav ? 'has-fav' : ''}" data-match-id="${match.id}"
tabindex="0" role="button" aria-label="${slots.home.label} ${t('hero.vs')} ${slots.away.label} — ${translatePhase(match.phase)}">
<header class="match-card-top">
<span class="match-phase">${translatePhase(match.phase)}</span>
${statusChip}
</header>
<div class="match-teams">
${teamColumnHTML(slots.home)}
${center}
${teamColumnHTML(slots.away)}
</div>
<footer class="match-meta">${formatMatchTime(match, stadium)} · ${match.stadium}, ${match.city}</footer>
</article>`;
}

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// stadiums.js — stadium cards: image, name, city, capacity, matches held.
// "View matches" jumps to the schedule pre-filtered by stadium.
import { getData, navigateTo } from './app.js';
import { t, getLocale } from './i18n.js';
import { setStadiumFilter } from './schedule.js';
export function initStadiums() {
render();
document.addEventListener('langchange', render);
}
function render() {
const { stadiums, matches } = getData();
const root = document.getElementById('stadiums-root');
const matchCounts = new Map();
for (const match of matches) {
matchCounts.set(match.stadium, (matchCounts.get(match.stadium) ?? 0) + 1);
}
const numberFmt = new Intl.NumberFormat(getLocale());
root.innerHTML = `
<div class="stadiums-grid">
${stadiums.map((stadium) => stadiumCardHTML(stadium, matchCounts.get(stadium.name) ?? 0, numberFmt)).join('')}
</div>`;
for (const btn of root.querySelectorAll('[data-stadium]')) {
btn.addEventListener('click', () => {
setStadiumFilter(btn.dataset.stadium);
navigateTo('matches');
});
}
}
function stadiumCardHTML(stadium, matchCount, numberFmt) {
const matchWord = matchCount === 1 ? t('schedule.match') : t('schedule.matches');
return `
<article class="stadium-card glass hover-glow">
<img class="stadium-img" src="assets/images/${stadium.image}" alt="${stadium.name}"
width="400" height="225" loading="lazy">
<div class="stadium-body">
<h3 class="stadium-name">${stadium.name}</h3>
<p class="stadium-city">${stadium.city}</p>
<p class="stadium-stats">
<span>${t('stadiums.capacity')}: <strong>${numberFmt.format(stadium.capacity)}</strong></span>
<span class="stadium-match-count">${matchCount} ${matchWord}</span>
</p>
<button class="link-btn" data-stadium="${stadium.name}">${t('stadiums.viewMatches')} </button>
</div>
</article>`;
}

44
assets/js/storage.js Normal file
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// storage.js — thin localStorage wrapper. All keys are prefixed wc2026_ and
// values are JSON-serialized. Never touch localStorage outside this module.
const PREFIX = 'wc2026_';
export function get(key, fallback = null) {
try {
const raw = localStorage.getItem(PREFIX + key);
return raw === null ? fallback : JSON.parse(raw);
} catch {
return fallback;
}
}
export function set(key, value) {
try {
localStorage.setItem(PREFIX + key, JSON.stringify(value));
} catch {
// storage full or unavailable (private mode) — app keeps working without persistence
}
}
export function getPrefs() {
return get('prefs', {});
}
export function setPref(name, value) {
const prefs = getPrefs();
prefs[name] = value;
set('prefs', prefs);
}
export function getFavorites() {
return get('favorites', []);
}
export function toggleFavorite(teamId) {
const favorites = getFavorites();
const index = favorites.indexOf(teamId);
if (index >= 0) favorites.splice(index, 1);
else favorites.push(teamId);
set('favorites', favorites);
return favorites;
}