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Learn_System/frontend/textbooks/physics_10_ch2.html
T
Maxim Dolgolyov 573de62963 feat(phys10 phase0): skeleton + миграция + phys.js модуль (37 §, 6 глав)
- Миграция 030_physics_10_hub.sql: hub physics-10 + 6 ch (color amber, sort 11, 37 §)
- frontend/textbooks/physics_10_hub.html (hub, yellow/amber palette, 6 chapter cards, финал placeholder)
- 6 ch-файлов physics_10_ch{1..6}.html: skeleton с PARAS, sec-nodes, SIDEBARS, TIPS,
  STUB-builder'ами для всех 37 §§ + 6 финалов, POLISH CSS, ICONS, 2D-хелперы,
  подключения phys.js + g3d.js
- frontend/js/phys.js: новый модуль window.PHYS с 21 экспортом —
  drawArrow, fieldLinesPointCharge, chargeMark, magneticFieldGrid, molecule,
  createGasSim, batteryEMF, resistor, capacitorSymbol, ammeterSymbol,
  voltmeterSymbol, lightbulbSymbol, inductorSymbol, wire, CONST + 6 конвертеров единиц

Все ch следуют паттерну algebra_11_ch1.html (Wave 5). Авторы не указаны.
Phase 1+ — наполнение содержанием по учебнику «Физика 10» (Беларусь, 2019).

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
2026-05-29 16:12:08 +03:00

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<h1>Физика 10 · Глава 2</h1>
<div class="hdr-sub">Внутренняя энергия · работа · теплота · 1-й закон · тепловые двигатели</div>
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<h2>Термодинамика — превращения энергии</h2>
<p>Термодинамика — наука о превращении энергии. Внутренняя энергия, работа газа, количество теплоты, первый закон и тепловые двигатели.</p>
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<section id="sec-p11" class="sec" data-watermark="U"><div class="sec-header"><span class="sec-num">§ 11</span><h2 class="sec-h">Внутренняя энергия</h2></div><div id="p11-body"></div></section>
<section id="sec-p12" class="sec" data-watermark="A"><div class="sec-header"><span class="sec-num">§ 12</span><h2 class="sec-h">Работа в термодинамике</h2></div><div id="p12-body"></div></section>
<section id="sec-p13" class="sec" data-watermark="Q"><div class="sec-header"><span class="sec-num">§ 13</span><h2 class="sec-h">Количество теплоты</h2></div><div id="p13-body"></div></section>
<section id="sec-p14" class="sec" data-watermark="1-й"><div class="sec-header"><span class="sec-num">§ 14</span><h2 class="sec-h">Первый закон термодинамики</h2></div><div id="p14-body"></div></section>
<section id="sec-p15" class="sec" data-watermark="Карно"><div class="sec-header"><span class="sec-num">§ 15</span><h2 class="sec-h">Тепловые двигатели. Цикл Карно</h2></div><div id="p15-body"></div></section>
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const placed = {}; const pool = document.getElementById(cfg.poolId); const scope = document.querySelector(cfg.scopeSelector);
if(!pool||!scope) return {placed,render:()=>{},reset:()=>{}};
pool.classList.add('dnd-pool'); if(cfg.columnLayout) pool.classList.add('col');
let armed = null;
function buildChip(it,isPlaced){ const e=document.createElement('div'); e.className='dnd-chip'+(isPlaced?' placed':''); e.dataset.id=it.id; e.innerHTML='<span class="dnd-txt">'+it.html+'</span><span class="dnd-x" title="Убрать">\xd7</span>'; attach(e,it.id); return e; }
function attach(elm,itId){ let ghost=null,dragging=false,sx=0,sy=0; elm.addEventListener('pointerdown',ev=>{ if(ev.button!==undefined&&ev.button!==0) return;
ev.preventDefault(); if(ev.target.classList&&ev.target.classList.contains('dnd-x')){ ev.stopPropagation(); if(placed[itId]){delete placed[itId];render();}else if(armed===itId){armed=null;render();} return; } sx=ev.clientX;sy=ev.clientY; const r=elm.getBoundingClientRect(); const ox=ev.clientX-r.left,oy=ev.clientY-r.top; try{elm.setPointerCapture(ev.pointerId);}catch(e){} function onMove(e){ const dx=e.clientX-sx,dy=e.clientY-sy; if(!dragging&&Math.hypot(dx,dy)>8){ dragging=true; ghost=elm.cloneNode(true); ghost.classList.remove('armed'); ghost.style.cssText='position:fixed;z-index:9999;pointer-events:none;opacity:.9;transform:rotate(-2.5deg);box-shadow:0 14px 36px rgba(0,0,0,.32);width:'+r.width+'px;left:'+(e.clientX-ox)+'px;top:'+(e.clientY-oy)+'px'; document.body.appendChild(ghost); elm.classList.add('dragging'); } if(dragging&&ghost){ ghost.style.left=(e.clientX-ox)+'px';ghost.style.top=(e.clientY-oy)+'px'; const under=document.elementsFromPoint(e.clientX,e.clientY); scope.querySelectorAll('.drop-box.over,.dnd-pool.over').forEach(n=>n.classList.remove('over')); const tgt=under.find(n=>n.classList&&(n.classList.contains('drop-box')||n.classList.contains('dnd-pool'))); if(tgt)tgt.classList.add('over'); } } function onUp(e){ elm.removeEventListener('pointermove',onMove);elm.removeEventListener('pointerup',onUp);elm.removeEventListener('pointercancel',onUp);elm.classList.remove('dragging'); if(ghost){ghost.remove();ghost=null;} scope.querySelectorAll('.drop-box.over,.dnd-pool.over').forEach(n=>n.classList.remove('over')); if(dragging){ const under=document.elementsFromPoint(e.clientX,e.clientY); const box=under.find(n=>n.classList&&n.classList.contains('drop-box')); const pl=under.find(n=>n.classList&&n.classList.contains('dnd-pool')); if(box){const di=box.querySelector('[data-cat]');if(di){placed[itId]=di.dataset.cat;armed=null;render();return;}}else if(pl){delete placed[itId];armed=null;render();return;} }else{ if(placed[itId]){delete placed[itId];armed=null;render();}else{armed=(armed===itId)?null:itId;render();} } dragging=false; } elm.addEventListener('pointermove',onMove);elm.addEventListener('pointerup',onUp);elm.addEventListener('pointercancel',onUp); }); }
function attachBoxTaps(){ scope.querySelectorAll('.drop-box').forEach(box=>{ box.addEventListener('click',ev=>{ if(!armed)return; if(ev.target.closest('.dnd-chip'))return; const di=box.querySelector('[data-cat]'); if(di){placed[armed]=di.dataset.cat;armed=null;render();} }); }); }
function render(){ pool.innerHTML=''; cfg.items.forEach(it=>{if(placed[it.id])return;const c=buildChip(it,false);if(armed===it.id)c.classList.add('armed');pool.appendChild(c);}); cfg.cats.forEach(cat=>{const box=scope.querySelector('.drop-items[data-cat="'+cat+'"]');if(!box)return;box.innerHTML='';cfg.items.forEach(it=>{if(placed[it.id]!==cat)return;box.appendChild(buildChip(it,true));});}); if(window.renderMathInElement)try{renderMath(scope);}catch(_){} }
attachBoxTaps(); render();
return {placed,render,reset(){ for(const k in placed)delete placed[k];armed=null;render(); }};
}
/* === SVG-хелперы (axes2D, plotFunc, pointWithDrop, asymptote, snapToValue, геом.) === */
function axes2D(W, H, pad, xmin, xmax, ymin, ymax){
const ux = (W - 2*pad) / (xmax - xmin);
const uy = (H - 2*pad) / (ymax - ymin);
const toX = v => pad + (v - xmin) * ux;
const toY = v => H - pad - (v - ymin) * uy;
let g = '';
g += '<g stroke="#e5e7eb" stroke-width="1">';
for (let x = Math.ceil(xmin); x <= xmax; x++){
g += '<line x1="'+toX(x)+'" y1="'+pad+'" x2="'+toX(x)+'" y2="'+(H-pad)+'"/>';
}
for (let y = Math.ceil(ymin); y <= ymax; y++){
g += '<line x1="'+pad+'" y1="'+toY(y)+'" x2="'+(W-pad)+'" y2="'+toY(y)+'"/>';
}
g += '</g>';
const y0 = toY(0), x0 = toX(0);
g += '<line x1="'+pad+'" y1="'+y0+'" x2="'+(W-pad)+'" y2="'+y0+'" stroke="#0f172a" stroke-width="1.5"/>';
g += '<line x1="'+x0+'" y1="'+pad+'" x2="'+x0+'" y2="'+(H-pad)+'" stroke="#0f172a" stroke-width="1.5"/>';
g += '<text x="'+(W-pad+2)+'" y="'+(y0-4)+'" font-size="11" fill="#0f172a">x</text>';
g += '<text x="'+(x0+4)+'" y="'+(pad-2)+'" font-size="11" fill="#0f172a">y</text>';
g += '<g font-size="10" fill="#64748b">';
for (let x = Math.ceil(xmin); x <= xmax; x++){
if (x !== 0) g += '<text x="'+(toX(x)-3)+'" y="'+(y0+12)+'">'+x+'</text>';
}
for (let y = Math.ceil(ymin); y <= ymax; y++){
if (y !== 0) g += '<text x="'+(x0+4)+'" y="'+(toY(y)+3)+'">'+y+'</text>';
}
g += '<text x="'+(x0+4)+'" y="'+(y0+12)+'">0</text>';
g += '</g>';
return { content: g, toX, toY, ux, uy };
}
function plotFunc(f, xmin, xmax, toX, toY, color, N){
N = N || 200;
let d = '';
let prevValid = false;
for (let i = 0; i <= N; i++){
const x = xmin + (xmax - xmin) * i / N;
let y;
try { y = f(x); } catch(e){ y = NaN; }
if (!isFinite(y) || isNaN(y) || y < -1e4 || y > 1e4){ prevValid = false; continue; }
d += (prevValid ? ' L' : ' M') + toX(x).toFixed(2) + ',' + toY(y).toFixed(2);
prevValid = true;
}
return '<path d="'+d+'" stroke="'+color+'" stroke-width="2" fill="none" stroke-linecap="round" stroke-linejoin="round"/>';
}
function pointWithDrop(x, fx, toX, toY, color, label){
const px = toX(x), py = toY(fx);
let s = '';
s += '<line x1="'+px+'" y1="'+py+'" x2="'+px+'" y2="'+toY(0)+'" stroke="'+color+'" stroke-width="1.2" stroke-dasharray="3 3" opacity=".7"/>';
s += '<line x1="'+px+'" y1="'+py+'" x2="'+toX(0)+'" y2="'+py+'" stroke="'+color+'" stroke-width="1.2" stroke-dasharray="3 3" opacity=".7"/>';
s += '<circle cx="'+px+'" cy="'+py+'" r="4.5" fill="'+color+'" stroke="#fff" stroke-width="2"/>';
if (label){
s += '<text x="'+(px+8)+'" y="'+(py-8)+'" font-family="Inter,sans-serif" font-size="12" font-weight="700" fill="'+color+'">'+label+'</text>';
}
return s;
}
function asymptote(orientation, value, toX, toY, xmin, xmax, ymin, ymax, color){
color = color || '#94a3b8';
if (orientation === 'h'){
const y = toY(value);
return '<line x1="'+toX(xmin)+'" y1="'+y+'" x2="'+toX(xmax)+'" y2="'+y+'" stroke="'+color+'" stroke-width="1.3" stroke-dasharray="6 4"/>';
} else {
const x = toX(value);
return '<line x1="'+x+'" y1="'+toY(ymin)+'" x2="'+x+'" y2="'+toY(ymax)+'" stroke="'+color+'" stroke-width="1.3" stroke-dasharray="6 4"/>';
}
}
function snapToValue(value, snapPoints, tolerance){
tolerance = tolerance || 0.1;
for (const sp of snapPoints){
if (Math.abs(value - sp) < tolerance) return sp;
}
return value;
}
function rightAngleMark(V, uIn, wIn, s){
s = s || 9;
const p1 = {x: V.x + s*uIn.x, y: V.y + s*uIn.y};
const c = {x: p1.x + s*wIn.x, y: p1.y + s*wIn.y};
const p2 = {x: V.x + s*wIn.x, y: V.y + s*wIn.y};
return p1.x+','+p1.y+' '+c.x+','+c.y+' '+p2.x+','+p2.y;
}
function angleArcAuto(V, uA, uB, R){
const sA = {x: V.x + R*uA.x, y: V.y + R*uA.y};
const eB = {x: V.x + R*uB.x, y: V.y + R*uB.y};
const cross = uA.x*uB.y - uA.y*uB.x;
const sweep = cross > 0 ? 1 : 0;
return 'M'+sA.x+','+sA.y+' A'+R+','+R+' 0 0,'+sweep+' '+eB.x+','+eB.y;
}
function unitVec(p1, p2){
const dx = p2.x - p1.x, dy = p2.y - p1.y;
const len = Math.sqrt(dx*dx + dy*dy) || 1;
return {x: dx/len, y: dy/len};
}
function deg2rad(d){ return d * Math.PI / 180; }
const ICONS = {
repeat:'<svg class="ic" viewBox="0 0 24 24"><polyline points="9 11 12 14 22 4"/><path d="M21 12v7a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h11"/></svg>',
theory:'<svg class="ic" viewBox="0 0 24 24"><path d="M4 19.5A2.5 2.5 0 0 1 6.5 17H20"/><path d="M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z"/></svg>',
algo:'<svg class="ic" viewBox="0 0 24 24"><polyline points="17 11 21 7 17 3"/><line x1="21" y1="7" x2="9" y2="7"/><polyline points="7 13 3 17 7 21"/><line x1="3" y1="17" x2="15" y2="17"/></svg>',
rule:'<svg class="ic" viewBox="0 0 24 24"><path d="M6 8a6 6 0 0 1 12 0c0 7 3 9 3 9H3s3-2 3-9"/><path d="M10.3 21a1.94 1.94 0 0 0 3.4 0"/></svg>',
example:'<svg class="ic" viewBox="0 0 24 24"><path d="M9 18h6"/><path d="M10 22h4"/><path d="M12 2a7 7 0 0 0-4 13c1 1 2 2 2 4h4c0-2 1-3 2-4a7 7 0 0 0-4-13z"/></svg>',
oral:'<svg class="ic" viewBox="0 0 24 24"><circle cx="12" cy="12" r="10"/><path d="M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3"/><line x1="12" y1="17" x2="12.01" y2="17"/></svg>',
};
function secNavFor(curId){
const idx = PARAS.findIndex(p => p.id === curId);
const prev = idx > 0 ? PARAS[idx-1].id : null;
const next = idx < PARAS.length - 1 ? PARAS[idx+1].id : null;
return secNav(prev, next);
}
function secNav(prev, next){
const NAMES = {p11:'\xA711',p12:'\xA712',p13:'\xA713',p14:'\xA714',p15:'\xA715',final2:'Финал'};
let h='<div class="sec-nav">';
h+=prev?'<button class="btn" onclick="goTo(\''+prev+'\')"><svg class="ic" viewBox="0 0 24 24"><polyline points="15 18 9 12 15 6"/></svg> '+NAMES[prev]+'</button>':'<span></span>';
h+=next?'<button class="btn primary" onclick="goTo(\''+next+'\')">'+NAMES[next]+' <svg class="ic" viewBox="0 0 24 24"><polyline points="9 18 15 12 9 6"/></svg></button>':'<span></span>';
h+='</div>'; return h;
}
function readButton(paraId){
const p = PARAS.find(x => x.id === paraId);
const labelTail = p && p.final ? 'финал' : (p ? p.num : '\xA7?');
return '<div style="margin-top:18px;display:flex;justify-content:center">'
+'<button class="btn primary" id="'+paraId+'-read-btn">'
+'<svg class="ic" viewBox="0 0 24 24"><path d="M4 19.5A2.5 2.5 0 0 1 6.5 17H20"/><path d="M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z"/></svg>'
+' Я прочитал — '+labelTail+' (+10 XP)'
+'</button></div>';
}
function wireReadBtn(paraId){
const btn = document.getElementById(paraId+'-read-btn'); if(!btn) return;
btn.addEventListener('click', ()=>{
addXp(10, paraId+'-read'); bumpProgress(paraId, 30);
btn.textContent='Прочитано! +10 XP'; btn.disabled=true; btn.style.opacity=.6;
const aId = paraId+'_done';
if(ACH_LABELS[aId]) achievement(aId);
});
}
/* ===== STUB BUILDERS — наполнение в Phase 1+ ===== */
function build_p11(){
const box = document.getElementById('p11-body');
let html = '';
html += makeCard('theory', "Внутренняя энергия", "§11", `
<p><b>Внутренняя энергия</b> — этот параграф в разработке (Phase 1+).</p>
<p>Здесь появятся: теория, формулы, разобранные примеры и 3–4 интерактива в стиле «алгебры 11» — таблицы, симуляции, ползунки, drag-and-drop и автопроверяемые тренажёры.</p>
<p style="margin-top:10px;padding:10px 14px;background:var(--sec-acc-soft);border-radius:9px;font-size:.92rem">
<b>Phase 0:</b> создан скелет учебника. <b>Phase 2+:</b> наполнение этого § содержанием по учебнику «Физика 10» (Беларусь, 2019).
</p>
`);
html += secNav(null, 'p12');
html += readButton('p11');
box.innerHTML = html;
renderMath(box);
wireReadBtn('p11');
}
function build_p12(){
const box = document.getElementById('p12-body');
let html = '';
html += makeCard('theory', "Работа в термодинамике", "§12", `
<p><b>Работа в термодинамике</b> — этот параграф в разработке (Phase 1+).</p>
<p>Здесь появятся: теория, формулы, разобранные примеры и 3–4 интерактива в стиле «алгебры 11» — таблицы, симуляции, ползунки, drag-and-drop и автопроверяемые тренажёры.</p>
<p style="margin-top:10px;padding:10px 14px;background:var(--sec-acc-soft);border-radius:9px;font-size:.92rem">
<b>Phase 0:</b> создан скелет учебника. <b>Phase 2+:</b> наполнение этого § содержанием по учебнику «Физика 10» (Беларусь, 2019).
</p>
`);
html += secNav('p11', 'p13');
html += readButton('p12');
box.innerHTML = html;
renderMath(box);
wireReadBtn('p12');
}
function build_p13(){
const box = document.getElementById('p13-body');
let html = '';
html += makeCard('theory', "Количество теплоты", "§13", `
<p><b>Количество теплоты</b> — этот параграф в разработке (Phase 1+).</p>
<p>Здесь появятся: теория, формулы, разобранные примеры и 3–4 интерактива в стиле «алгебры 11» — таблицы, симуляции, ползунки, drag-and-drop и автопроверяемые тренажёры.</p>
<p style="margin-top:10px;padding:10px 14px;background:var(--sec-acc-soft);border-radius:9px;font-size:.92rem">
<b>Phase 0:</b> создан скелет учебника. <b>Phase 2+:</b> наполнение этого § содержанием по учебнику «Физика 10» (Беларусь, 2019).
</p>
`);
html += secNav('p12', 'p14');
html += readButton('p13');
box.innerHTML = html;
renderMath(box);
wireReadBtn('p13');
}
function build_p14(){
const box = document.getElementById('p14-body');
let html = '';
html += makeCard('theory', "Первый закон термодинамики", "§14", `
<p><b>Первый закон термодинамики</b> — этот параграф в разработке (Phase 1+).</p>
<p>Здесь появятся: теория, формулы, разобранные примеры и 3–4 интерактива в стиле «алгебры 11» — таблицы, симуляции, ползунки, drag-and-drop и автопроверяемые тренажёры.</p>
<p style="margin-top:10px;padding:10px 14px;background:var(--sec-acc-soft);border-radius:9px;font-size:.92rem">
<b>Phase 0:</b> создан скелет учебника. <b>Phase 2+:</b> наполнение этого § содержанием по учебнику «Физика 10» (Беларусь, 2019).
</p>
`);
html += secNav('p13', 'p15');
html += readButton('p14');
box.innerHTML = html;
renderMath(box);
wireReadBtn('p14');
}
function build_p15(){
const box = document.getElementById('p15-body');
let html = '';
html += makeCard('theory', "Тепловые двигатели. Цикл Карно", "§15", `
<p><b>Тепловые двигатели. Цикл Карно</b> — этот параграф в разработке (Phase 1+).</p>
<p>Здесь появятся: теория, формулы, разобранные примеры и 3–4 интерактива в стиле «алгебры 11» — таблицы, симуляции, ползунки, drag-and-drop и автопроверяемые тренажёры.</p>
<p style="margin-top:10px;padding:10px 14px;background:var(--sec-acc-soft);border-radius:9px;font-size:.92rem">
<b>Phase 0:</b> создан скелет учебника. <b>Phase 2+:</b> наполнение этого § содержанием по учебнику «Физика 10» (Беларусь, 2019).
</p>
`);
html += secNav('p14', 'final2');
html += readButton('p15');
box.innerHTML = html;
renderMath(box);
wireReadBtn('p15');
}
function build_final2(){
const box = document.getElementById('final2-body');
let html = '';
html += makeCard('theory', "Финал главы 2", "★", `
<p><b>Финал главы 2</b> — этот параграф в разработке (Phase 1+).</p>
<p>Здесь появятся: теория, формулы, разобранные примеры и 3–4 интерактива в стиле «алгебры 11» — таблицы, симуляции, ползунки, drag-and-drop и автопроверяемые тренажёры.</p>
<p style="margin-top:10px;padding:10px 14px;background:var(--sec-acc-soft);border-radius:9px;font-size:.92rem">
<b>Phase 0:</b> создан скелет учебника. <b>Phase 2+:</b> наполнение этого § содержанием по учебнику «Физика 10» (Беларусь, 2019).
</p>
`);
html += secNav('p15', null);
html += readButton('final2');
box.innerHTML = html;
renderMath(box);
wireReadBtn('final2');
}
/* ===== Search ===== */
const SEARCH_INDEX = (function(){
const arr=[];
PARAS.forEach(p=>arr.push({kind:'Параграф',title:p.num+' '+p.name,desc:p.sub||'',sec:p.id}));
return arr;
})();
function initSearch(){
const modal=document.getElementById('search-modal'),inp=document.getElementById('search-input'),out=document.getElementById('search-results'),btn=document.getElementById('search-btn');
if(!modal||!inp||!out) return;
let cur=0,rows=[];
function score(q,it){ const t=(it.title+' '+it.desc).toLowerCase(); if(t.includes(q)) return 100+(it.title.toLowerCase().startsWith(q)?50:0); let s=0; q.split(/\s+/).forEach(w=>{if(w&&t.includes(w))s+=10;}); return s; }
function rank(q){ q=q.trim().toLowerCase(); if(!q) return SEARCH_INDEX.slice(0,12); return SEARCH_INDEX.map(it=>({it,s:score(q,it)})).filter(x=>x.s>0).sort((a,b)=>b.s-a.s).slice(0,20).map(x=>x.it); }
function render(){ cur=0; if(!rows.length){out.innerHTML='<div class="search-empty">Ничего не найдено</div>';return;} out.innerHTML=rows.map((r,i)=>'<button class="search-row'+(i===0?' active':'')+'" data-i="'+i+'"><div class="sr-kind">'+r.kind+'</div><div class="sr-title">'+r.title+'</div>'+(r.desc?'<div class="sr-desc">'+(r.desc.length>90?r.desc.slice(0,90)+'…':r.desc)+'</div>':'')+'</button>').join(''); out.querySelectorAll('.search-row').forEach(b=>b.addEventListener('click',()=>{cur=+b.dataset.i;pick();})); }
function pick(){ const r=rows[cur]; if(!r) return; close(); goTo(r.sec); }
function move(d){ const items=out.querySelectorAll('.search-row'); if(!items.length) return; items[cur]&&items[cur].classList.remove('active'); cur=(cur+d+items.length)%items.length; items[cur].classList.add('active'); items[cur].scrollIntoView({block:'nearest'}); }
function open(){ modal.classList.add('show'); inp.value=''; rows=rank(''); render(); setTimeout(()=>inp.focus(),50); }
function close(){ modal.classList.remove('show'); }
btn&&btn.addEventListener('click',open);
modal.addEventListener('click',e=>{if(e.target===modal)close();});
inp.addEventListener('input',()=>{rows=rank(inp.value);render();});
inp.addEventListener('keydown',e=>{ if(e.key==='ArrowDown'){e.preventDefault();move(1);}else if(e.key==='ArrowUp'){e.preventDefault();move(-1);}else if(e.key==='Enter'){e.preventDefault();pick();}else if(e.key==='Escape'){e.preventDefault();close();} });
document.addEventListener('keydown',e=>{ if((e.ctrlKey||e.metaKey)&&(e.key==='k'||e.key==='K')){ e.preventDefault(); if(modal.classList.contains('show')) close(); else open(); } });
}
function initSidebarToggle(){
const side=document.getElementById('col-side'),back=document.getElementById('col-side-backdrop'),btn=document.getElementById('sidebar-btn');
if(!side||!btn) return;
function open(){ side.classList.add('open'); back.classList.add('show'); }
function close(){ side.classList.remove('open'); back.classList.remove('show'); }
btn.addEventListener('click',()=>{ if(side.classList.contains('open')) close(); else open(); });
back.addEventListener('click',close);
document.addEventListener('keydown',e=>{ if(e.key==='Escape') close(); });
}
function init(){
loadProgress(); initTheme(); initSidebarToggle(); initSearch();
buildParaSelector(); refreshProgressUI(); loadServerReadState(); goTo(PARAS[0].id);
setTimeout(()=>achievement('start'), 600);
if(window.LS&&window.LS.xp){
window.LS.xp.load().then(function(s){ if(s&&s.xp>STATE.xp){ STATE.xp=s.xp; STATE.level=calcLevel(STATE.xp); saveProgress(); refreshProgressUI(); if(STATE.current) buildSidebar(STATE.current); } });
}
}
document.addEventListener('DOMContentLoaded', init);
/* === PHYS10 POLISH JS === */
(function(){
function bumpScore(el){
if(!el) return;
el.classList.remove('bump');
void el.offsetWidth;
el.classList.add('bump');
setTimeout(function(){ try{ el.classList.remove('bump'); }catch(e){} }, 270);
}
window.__phys10BumpScore = bumpScore;
function observeScores(root){
root = root || document;
var nodes = root.querySelectorAll('.score-display b');
nodes.forEach(function(b){
if(b.__scoreObs) return;
b.__scoreObs = true;
var last = b.textContent;
try{
var mo = new MutationObserver(function(){
var nv = b.textContent;
if(nv !== last){ last = nv; bumpScore(b); }
});
mo.observe(b, {childList:true, characterData:true, subtree:true});
}catch(e){}
});
}
function rescanScores(){ try{ observeScores(document); }catch(e){} }
if(document.readyState === 'loading') document.addEventListener('DOMContentLoaded', rescanScores);
else rescanScores();
try{
var rootObs = new MutationObserver(function(muts){
var need = false;
for(var i=0;i<muts.length && !need;i++){
var m = muts[i];
for(var j=0;j<m.addedNodes.length;j++){
var n = m.addedNodes[j];
if(n.nodeType===1){
if(n.classList && n.classList.contains('score-display')) { need = true; break; }
if(n.querySelector && n.querySelector('.score-display b')) { need = true; break; }
}
}
}
if(need) rescanScores();
});
rootObs.observe(document.body, {childList:true, subtree:true});
}catch(e){}
function refreshDoneMarks(){
try{
if(typeof STATE === 'undefined' || !STATE.progress) return;
document.querySelectorAll('.psel-card').forEach(function(c){
var id = c.dataset.id || c.dataset.progCard;
if(!id) return;
var pct = +STATE.progress[id] || 0;
if(!c.querySelector('.psel-done')){
var s = document.createElement('span');
s.className = 'psel-done';
s.setAttribute('title','Прочитано');
s.innerHTML = '<svg viewBox="0 0 24 24"><polyline points="20 6 9 17 4 12"/></svg>';
c.appendChild(s);
}
c.classList.toggle('done', pct >= 50);
});
}catch(e){}
}
try{
if(typeof window.refreshProgressUI === 'function'){
var _origRP = window.refreshProgressUI;
window.refreshProgressUI = function(){ var r = _origRP.apply(this, arguments); setTimeout(refreshDoneMarks, 0); return r; };
}
}catch(e){}
setTimeout(refreshDoneMarks, 600);
setTimeout(refreshDoneMarks, 1800);
window.addEventListener('focus', function(){ setTimeout(refreshDoneMarks, 200); });
document.addEventListener('click', function(e){
var card = e.target.closest && e.target.closest('.psel-card');
if(!card) return;
var id = card.dataset.id;
if(!id) return;
setTimeout(function(){
var sec = document.getElementById('sec-' + id);
if(sec) try{ sec.scrollIntoView({behavior:'smooth', block:'start'}); }catch(e){}
}, 60);
});
})();
</script>
</body>
</html>