Initial commit
This commit is contained in:
Dmitry Bikulov
177
static/app.js
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177
static/app.js
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(() => {
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const startBtn = document.getElementById('startBtn');
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const timeEl = document.getElementById('time');
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const progressEl = document.getElementById('progress');
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const problemEl = document.getElementById('problem');
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const optionsEl = document.getElementById('options');
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const gameEl = document.getElementById('game');
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const statusEl = document.getElementById('status');
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const resultEl = document.getElementById('result');
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const fxLayer = document.getElementById('fxLayer');
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let sessionId = null;
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let totalQuestions = 20;
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let remaining = 60;
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let countdown = null;
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let inFlight = false;
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function setStatus(msg) {
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statusEl.textContent = msg || '';
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}
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function showGame(show) {
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gameEl.classList.toggle('hidden', !show);
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}
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function showResult(score) {
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const { correct, total_answered, total } = score;
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resultEl.innerHTML = `
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<div class="score">Результат: <strong>${correct}</strong> из <strong>${total}</strong></div>
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<div class="small">Отвечено: ${total_answered}</div>
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<button class="again" id="againBtn">Сыграть ещё</button>
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`;
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resultEl.classList.remove('hidden');
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document.getElementById('againBtn')?.addEventListener('click', () => {
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resultEl.classList.add('hidden');
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start();
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});
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}
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function renderQuestion(q) {
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if (!q) return;
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problemEl.textContent = `${q.a} × ${q.b}`;
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optionsEl.innerHTML = '';
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q.options.forEach(value => {
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const btn = document.createElement('button');
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btn.className = 'option-btn';
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btn.textContent = String(value);
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btn.addEventListener('click', () => answer(value, btn));
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optionsEl.appendChild(btn);
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});
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progressEl.textContent = `${q.index}/${totalQuestions}`;
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}
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function stopTimer() {
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if (countdown) {
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clearInterval(countdown);
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countdown = null;
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}
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}
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function startTimer(seconds) {
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remaining = seconds;
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timeEl.textContent = String(remaining);
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stopTimer();
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countdown = setInterval(() => {
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remaining -= 1;
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if (remaining <= 0) {
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remaining = 0;
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timeEl.textContent = '0';
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stopTimer();
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} else {
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timeEl.textContent = String(remaining);
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}
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}, 1000);
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}
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async function start() {
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if (inFlight) return;
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inFlight = true;
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setStatus('');
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showGame(false);
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startBtn.disabled = true;
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resultEl.classList.add('hidden');
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try {
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const res = await fetch('/api/session/start', { method: 'POST' });
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if (!res.ok) throw new Error('Не удалось начать сессию');
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const data = await res.json();
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sessionId = data.session_id;
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totalQuestions = data.total_questions;
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startTimer(data.remaining_seconds);
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renderQuestion(data.question);
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showGame(true);
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setStatus('Отвечайте как можно быстрее!');
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} catch (e) {
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console.error(e);
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setStatus('Ошибка старта. Попробуйте ещё раз.');
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} finally {
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startBtn.disabled = false;
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inFlight = false;
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}
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}
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function celebrateFromElement(el) {
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if (!fxLayer) return;
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const rect = el.getBoundingClientRect();
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const x = rect.left + rect.width / 2;
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const y = rect.top + rect.height / 2;
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const count = 40;
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for (let i = 0; i < count; i++) {
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const p = document.createElement('span');
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p.className = 'confetti';
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// origin
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p.style.left = `${x}px`;
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p.style.top = `${y}px`;
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// random trajectory
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const angle = Math.random() * Math.PI * 2;
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const distance = 60 + Math.random() * 80;
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const tx = Math.cos(angle) * distance;
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const ty = Math.sin(angle) * distance + 40 + Math.random() * 60; // gravity pull
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const rot = (Math.random() * 720 - 360).toFixed(0) + 'deg';
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p.style.setProperty('--tx', `${tx.toFixed(0)}px`);
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p.style.setProperty('--ty', `${ty.toFixed(0)}px`);
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p.style.setProperty('--rot', rot);
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const hue = Math.floor(Math.random() * 360);
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p.style.backgroundColor = `hsl(${hue} 90% 55%)`;
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p.style.animation = `confetti ${650 + Math.random() * 400}ms ease-out forwards`;
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fxLayer.appendChild(p);
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setTimeout(() => p.remove(), 1200);
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}
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}
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async function answer(value, clickedBtn) {
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if (!sessionId || inFlight) return;
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inFlight = true;
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// Disable all buttons to prevent double clicks
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const buttons = Array.from(optionsEl.querySelectorAll('button'));
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buttons.forEach(b => b.disabled = true);
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try {
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const res = await fetch(`/api/session/${sessionId}/answer`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ answer: value }),
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});
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if (!res.ok) throw new Error('Не удалось отправить ответ');
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const data = await res.json();
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// feedback
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if (data.correct) {
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clickedBtn.classList.add('correct');
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celebrateFromElement(clickedBtn);
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} else {
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clickedBtn.classList.add('wrong');
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}
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// Small pause to show feedback
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await new Promise(r => setTimeout(r, data.correct ? 350 : 250));
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if (data.finished) {
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stopTimer();
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showGame(false);
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const reason = data.reason === 'timeout' ? 'Время вышло.' : 'Завершено!';
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setStatus(reason);
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showResult(data.score);
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} else {
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timeEl.textContent = String(data.remaining_seconds);
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renderQuestion(data.question);
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}
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} catch (e) {
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console.error(e);
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setStatus('Ошибка ответа. Перезапустите сессию.');
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} finally {
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inFlight = false;
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}
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}
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startBtn.addEventListener('click', start);
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})();
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32
static/index.html
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32
static/index.html
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<!doctype html>
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<html lang="ru">
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<title>Тренажёр таблицы умножения</title>
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<link rel="stylesheet" href="/static/style.css" />
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</head>
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<body>
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<div class="app">
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<h1>Тренажёр таблицы умножения</h1>
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<div class="top-bar">
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<div class="timer">Время: <span id="time">60</span> с</div>
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<div class="progress">Вопрос: <span id="progress">0/20</span></div>
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<button id="startBtn" class="start">Старт</button>
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</div>
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<div id="status" class="status"></div>
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<div id="game" class="game hidden">
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<div id="problem" class="problem">— × —</div>
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<div id="options" class="options"></div>
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</div>
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<div id="result" class="result hidden"></div>
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</div>
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<div id="fxLayer" class="fx-layer"></div>
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<script src="/static/app.js"></script>
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</body>
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</html>
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80
static/style.css
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80
static/style.css
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:root {
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--bg: #f8fafc;
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--panel: #ffffff;
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--text: #0f172a;
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--muted: #475569;
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--accent: #16a34a;
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--danger: #dc2626;
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--brand: #2563eb;
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--border: #e2e8f0;
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--shadow: 0 10px 20px rgba(2, 6, 23, 0.06), 0 2px 6px rgba(2, 6, 23, 0.05);
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}
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* { box-sizing: border-box; }
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html, body { height: 100%; }
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body {
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margin: 0;
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
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Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', 'Helvetica Neue', Arial, sans-serif;
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background: radial-gradient(1200px 600px at 10% 0%, #ffffff 0%, #f8fafc 70%);
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color: var(--text);
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}
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.app { max-width: 900px; margin: 0 auto; padding: 24px; }
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h1 { margin: 8px 0 20px; font-size: 28px; font-weight: 800; color: #0f172a; }
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.top-bar { display: flex; gap: 12px; align-items: center; }
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.timer, .progress { background: var(--panel); padding: 10px 14px; border-radius: 10px; color: var(--muted); border: 1px solid var(--border); box-shadow: var(--shadow); }
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.start { margin-left: auto; padding: 10px 16px; border-radius: 10px; border: 1px solid var(--border); background: var(--panel); color: #0f172a; cursor: pointer; box-shadow: var(--shadow); }
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.start:hover { background: #f1f5f9; }
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.start:disabled { opacity: 0.6; cursor: not-allowed; }
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.status { min-height: 22px; margin: 10px 0 8px; color: var(--muted); }
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.game { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 28px; box-shadow: var(--shadow); }
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.problem { text-align: center; font-size: 72px; font-weight: 900; letter-spacing: 1px; margin: 10px 0 24px; color: #0f172a; }
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.options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
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.option-btn { font-size: 28px; font-weight: 800; padding: 22px; border-radius: 14px; border: 1px solid var(--border); background: #ffffff;
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color: #0f172a; cursor: pointer; transition: transform 80ms ease, background 0.2s ease, box-shadow 0.2s ease; box-shadow: var(--shadow); }
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.option-btn:hover { transform: translateY(-1px); background: #f8fafc; }
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.option-btn:active { transform: translateY(0); }
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.option-btn:disabled { opacity: 0.8; cursor: default; transform: none; }
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.option-btn.correct { outline: 2px solid var(--accent); box-shadow: 0 0 0 6px rgba(22,163,74,0.12), var(--shadow); animation: pop 280ms ease-out; }
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.option-btn.wrong { outline: 2px solid var(--danger); box-shadow: 0 0 0 6px rgba(220,38,38,0.12), var(--shadow); animation: shake 300ms ease-in-out; }
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.result { margin-top: 18px; padding: 18px; background: var(--panel); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow); }
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.result .score { font-size: 20px; margin-bottom: 8px; }
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.again { padding: 10px 16px; border-radius: 10px; border: 1px solid var(--border); background: var(--panel); color: #0f172a; cursor: pointer; box-shadow: var(--shadow); }
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.again:hover { background: #f1f5f9; }
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.hidden { display: none; }
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/* Animations */
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@keyframes pop {
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0% { transform: scale(1); }
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50% { transform: scale(1.08); }
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100% { transform: scale(1); }
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}
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@keyframes shake {
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0% { transform: translateX(0); }
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20% { transform: translateX(-6px); }
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40% { transform: translateX(6px); }
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60% { transform: translateX(-4px); }
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80% { transform: translateX(4px); }
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100% { transform: translateX(0); }
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}
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.fx-layer { position: fixed; inset: 0; pointer-events: none; overflow: hidden; z-index: 999; }
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.confetti { position: absolute; width: 8px; height: 14px; border-radius: 2px; will-change: transform, opacity; transform: translate(-50%, -50%); }
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@keyframes confetti {
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0% { opacity: 1; transform: translate(0, 0) rotate(0deg); }
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100% { opacity: 0; transform: translate(var(--tx), var(--ty)) rotate(var(--rot)); }
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}
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@media (max-width: 640px) {
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.problem { font-size: 52px; }
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.option-btn { font-size: 22px; padding: 18px; }
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}
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