.taskHubPage{
  background:
    radial-gradient(circle at 12% 0%, rgba(255,220,109,.24), transparent 24rem),
    radial-gradient(circle at 90% 8%, rgba(160,92,200,.14), transparent 26rem),
    var(--bg, #fffaf5);
}
.taskHub{padding-top:28px;padding-bottom:56px}
.taskHubHero{
  position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,.55fr);
  gap:28px;align-items:center;padding:38px 42px;border:2px solid rgba(122,45,187,.25);border-radius:32px;
  background:linear-gradient(135deg,rgba(255,255,255,.96),rgba(255,248,229,.95));box-shadow:0 22px 60px rgba(70,29,94,.08)
}
.taskHubHero:after{content:"";position:absolute;right:-70px;top:-80px;width:270px;height:270px;border-radius:50%;background:rgba(122,45,187,.08)}
.taskHubHero__content{position:relative;z-index:1}
.taskHubHero .eyebrow,.taskSectionHead .eyebrow,.independentHead .eyebrow,.variantBuilderAside .eyebrow{margin:0 0 8px;color:#b17700;font-size:12px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}
.taskHubHero h1{max-width:760px;margin:0;color:#32133f;font-size:clamp(32px,5vw,56px);line-height:1.02;letter-spacing:-.04em}
.taskHubHero__content>p:not(.eyebrow){max-width:760px;margin:18px 0 0;color:#6f6077;font-size:17px;line-height:1.7}
.taskHubHero__stats{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.taskHubHero__stats div{min-width:150px;padding:14px 16px;border:1px solid rgba(122,45,187,.15);border-radius:18px;background:#fff}
.taskHubHero__stats strong{display:block;color:#762db7;font-size:25px;line-height:1}
.taskHubHero__stats span{display:block;margin-top:6px;color:#786b7f;font-size:12px}
.taskHubHero__visual{position:relative;z-index:1;min-height:250px}
.taskHubHero__sheet{position:absolute;right:38px;top:12px;width:205px;height:226px;padding:22px;border:2px solid #e7ca7a;border-radius:26px;background:#fff;box-shadow:0 16px 40px rgba(81,46,99,.12);transform:rotate(4deg)}
.taskHubHero__sheet span{display:block;color:#7c2cba;font-weight:900}.taskHubHero__sheet i{display:block;height:9px;margin-top:18px;border-radius:99px;background:#f1e8f6}.taskHubHero__sheet i:nth-of-type(2){width:78%}.taskHubHero__sheet i:nth-of-type(3){width:58%}.taskHubHero__sheet b{display:block;margin-top:26px;color:#f0a900;font-size:28px;letter-spacing:.12em}
.taskHubHero__visual img{position:absolute;left:-24px;bottom:-40px;width:190px;z-index:2;filter:drop-shadow(0 12px 16px rgba(43,20,53,.12))}

.taskTabs{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:28px 0 26px}
.taskTabs__button{position:relative;display:flex;align-items:center;gap:13px;min-height:80px;padding:14px 18px;border:1px solid rgba(122,45,187,.17);border-radius:22px;background:rgba(255,255,255,.82);color:#4d3a56;text-align:left;cursor:pointer;box-shadow:0 9px 28px rgba(57,26,71,.05);transition:.2s ease}
.taskTabs__button:hover{transform:translateY(-2px);border-color:rgba(122,45,187,.38)}
.taskTabs__button.is-active{border-color:#7a2dbb;background:linear-gradient(135deg,#fff,#f7edff);box-shadow:0 12px 34px rgba(122,45,187,.12)}
.taskTabs__number{display:grid;place-items:center;flex:0 0 38px;height:38px;border-radius:13px;background:#f3e8fa;color:#7a2dbb;font-weight:900}.taskTabs__button.is-active .taskTabs__number{background:#7a2dbb;color:#fff}
.taskTabs__button>span:nth-child(2){display:flex;flex-direction:column;gap:3px}.taskTabs__button strong{font-size:15px}.taskTabs__button small{color:#85758d;font-size:12px;font-weight:500}.taskTabs__button em{position:absolute;right:13px;top:10px;display:grid;place-items:center;min-width:25px;height:25px;padding:0 7px;border-radius:99px;background:#f2a900;color:#fff;font-size:12px;font-style:normal;font-weight:900}
.taskPanel{animation:taskPanelIn .22s ease}.taskPanel[hidden]{display:none!important}@keyframes taskPanelIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.taskSectionHead{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px}.taskSectionHead h2{margin:0;color:#351341;font-size:clamp(26px,4vw,38px);letter-spacing:-.025em}.taskSectionHead p.muted{max-width:760px;margin:8px 0 0;line-height:1.6}
.taskSectionHead>.btn span{display:inline-grid;place-items:center;min-width:22px;height:22px;margin-left:6px;border-radius:99px;background:rgba(255,255,255,.28)}

.taskFilters{display:grid;grid-template-columns:1fr 1.4fr 1fr minmax(220px,1.6fr);gap:14px;align-items:end;padding:20px;border-radius:24px}
.taskField{display:flex;flex-direction:column;gap:7px}.taskField>span,.taskSort>span{color:#75647d;font-size:12px;font-weight:800}.taskField select,.taskField input,.taskSort select{width:100%;height:44px;padding:0 13px;border:1px solid rgba(122,45,187,.22);border-radius:13px;background:#fff;color:#32133f;font:inherit;outline:none}.taskField select:focus,.taskField input:focus,.taskSort select:focus{border-color:#7a2dbb;box-shadow:0 0 0 3px rgba(122,45,187,.1)}
.taskTheoryToggle{display:flex;align-items:center;gap:9px;min-height:42px;color:#4c3c53;font-size:13px;font-weight:700}.taskTheoryToggle input,.variantCheck input{width:18px;height:18px;accent-color:#7a2dbb}.taskFilters>.btn{height:42px}
.taskCatalogMeta{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:18px 2px 14px}.taskCatalogMeta p{margin:0;color:#6f6077;font-weight:800}.taskSort{display:flex;align-items:center;gap:9px}.taskSort select{height:38px;min-width:210px}
.taskCatalogGrid{display:flex;flex-direction:column;gap:14px}
.taskTopicGroup{border:1px solid rgba(122,45,187,.16);border-radius:24px;background:rgba(255,255,255,.84);box-shadow:0 10px 28px rgba(50,20,62,.05);overflow:hidden}.taskTopicGroup__toggle{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 20px;border:0;background:linear-gradient(135deg,#fffdf8,#fbf5ff);cursor:pointer;text-align:left}.taskTopicGroup__toggle:hover{background:linear-gradient(135deg,#fffaf0,#f9f0ff)}.taskTopicGroup__title{display:flex;flex-direction:column;gap:4px}.taskTopicGroup__grade{color:#b17700;font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.08em}.taskTopicGroup__title strong{color:#351341;font-size:22px;line-height:1.1}.taskTopicGroup__title small{color:#7b6d82;font-size:12px;font-weight:700}.taskTopicGroup__icon{display:grid;place-items:center;flex:0 0 34px;height:34px;border-radius:12px;background:#f3e8fa;color:#772db7;font-size:26px;line-height:1}.taskTopicGroup__body{display:flex;flex-direction:column;gap:10px;padding:0 14px 14px}
.taskCatalogCard{display:flex;flex-direction:column;gap:10px;padding:14px 16px;border:1px solid rgba(122,45,187,.12);border-radius:18px;background:#fff;box-shadow:0 6px 20px rgba(50,20,62,.04);transition:.18s ease}.taskCatalogCard:hover{border-color:rgba(122,45,187,.24);box-shadow:0 10px 24px rgba(50,20,62,.06)}
.taskCatalogCard__row{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.taskCatalogCard__content{display:flex;flex-direction:column;gap:8px;flex:1 1 auto;min-width:0}.taskCatalogCard__prompt{margin:0;color:#57465e;font-size:16px;line-height:1.5;font-weight:500}.taskFormula{overflow-x:auto;color:#281131}.taskFormula .katex-display{margin:.45em 0;text-align:left}.taskFormula--inline .katex-display{margin:0}.taskFormula--inline .katex{font-size:1.07em}.taskFormula--statement .katex-display{margin:0;text-align:left}.taskFormula--statement .katex-display>.katex{text-align:left}.taskCatalogCard__controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.taskSelectButton,.taskCardAction{flex:0 0 auto;height:34px;padding:0 12px;border:1px solid rgba(122,45,187,.24);border-radius:11px;background:#fff;color:#762db7;font-size:12px;font-weight:900;cursor:pointer}.taskCardAction:hover,.taskSelectButton:hover{background:#f8effd}.taskSelectButton.is-selected{border-color:#2c8951;background:#e9f8ee;color:#227342}
.taskCatalogCard__detail{margin-top:2px;padding:12px 14px;border:1px solid #eee3f3;border-radius:14px;background:#fbfafc;font-size:13px;line-height:1.6}.taskCatalogCard__detail strong{color:#381944}.taskCatalogCard__detail p{margin:10px 0 0}.taskCatalogCard__detail .katex-display{text-align:left}.taskCatalogCard__detail .katex-display>.katex{text-align:left;font-size:1em}.taskCatalogCard__detail--prototypes{background:#fffdfa}
.prototypeList{display:flex;flex-direction:column;gap:10px;margin-top:10px}.prototypeItem{padding:12px;border:1px solid #efe5cf;border-radius:14px;background:#fff}.prototypeItem__statement{display:flex;flex-direction:column;gap:8px}.prototypeItem__statement p,.prototypeItem__answer{margin:0;color:#584761}.prototypeItem__answer strong{color:#3e194c}
.taskCatalogEmpty,.variantEmpty,.independentPlaceholder{padding:46px 24px;border:1px dashed rgba(122,45,187,.28);border-radius:24px;background:rgba(255,255,255,.62);text-align:center;color:#796a80}.taskCatalogEmpty strong,.variantEmpty h3,.independentPlaceholder h3{color:#44264f}.taskCatalogMore{text-align:center;margin-top:20px}.taskLoadError{grid-column:1/-1;padding:28px;border:1px solid #efc7c7;border-radius:20px;background:#fff3f3;color:#8d2929}

.variantBuilderLayout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:18px;align-items:start}.variantBuilderToolbar{display:grid;grid-template-columns:minmax(220px,1.8fr) 120px repeat(3,auto);gap:14px;align-items:end;padding:18px;border-radius:22px}.taskField--wide{min-width:0}.variantCheck{display:flex;align-items:center;gap:8px;min-height:44px;color:#5d4b64;font-size:12px;font-weight:800;white-space:nowrap}
.variantSelectedHead{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:20px 2px 12px}.variantSelectedHead>div:first-child{display:flex;align-items:baseline;gap:10px}.variantSelectedHead span{color:#817087;font-size:12px}.variantSelectedHead>div:last-child{display:flex;gap:8px}
.variantSelectedList{display:flex;flex-direction:column;gap:10px}.variantSelectedItem{display:grid;grid-template-columns:30px 38px minmax(0,1fr) auto;gap:11px;align-items:center;padding:14px 15px;border:1px solid rgba(122,45,187,.16);border-radius:18px;background:#fff;box-shadow:0 8px 22px rgba(55,24,66,.045)}.variantSelectedItem.is-dragging{opacity:.45}.variantSelectedItem__drag{border:0;background:transparent;color:#b5a2bd;font-size:19px;cursor:grab}.variantSelectedItem__number{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:#f4eafb;color:#7029aa;font-weight:900}.variantSelectedItem__body>div:first-child{display:flex;gap:8px;align-items:center}.variantSelectedItem__body span{color:#9a6f00;font-size:10px;font-weight:900}.variantSelectedItem__body strong{color:#684773;font-size:11px}.variantSelectedItem__body p{margin:5px 0 0;color:#5d4b64;font-size:12px}.variantSelectedItem__body .taskFormula{display:inline-block;margin-top:5px;font-size:14px}.variantSelectedItem__controls{display:flex;gap:5px}.variantSelectedItem__controls button{display:grid;place-items:center;width:30px;height:30px;border:1px solid rgba(122,45,187,.18);border-radius:9px;background:#fff;color:#6e2aa5;cursor:pointer}.variantSelectedItem__controls button:last-child{color:#a13d3d}
.variantEmpty__icon{display:grid;place-items:center;width:58px;height:58px;margin:0 auto 12px;border-radius:18px;background:#f5ebfb;color:#7a2dbb;font-size:30px}.variantEmpty h3{margin:0}.variantEmpty p{margin:8px 0 18px}
.variantBuilderAside{position:sticky;top:95px;padding:22px;border-radius:23px}.variantBuilderAside h3{margin:0;color:#3b1748;font-size:23px}.variantBuilderAside dl{margin:20px 0}.variantBuilderAside dl div{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid #eee4f2}.variantBuilderAside dt{color:#75647d;font-size:13px}.variantBuilderAside dd{margin:0;color:#3c1749;font-size:20px;font-weight:900}.variantBuilderAside .btn{width:100%;margin-top:9px}.variantBuilderAside__primary{background:#7a2dbb;color:#fff}.variantBuilderAside__primary:disabled{opacity:.45;cursor:not-allowed}.variantBuilderAside p.muted{margin:16px 0 0;font-size:11px;line-height:1.55}

.independentLayout{display:grid;grid-template-columns:310px minmax(0,1fr);gap:18px;align-items:start}.independentCatalog{display:flex;flex-direction:column;gap:10px}.independentWorkCard{display:flex;flex-direction:column;gap:6px;padding:17px;border:1px solid rgba(122,45,187,.16);border-radius:19px;background:#fff;text-align:left;cursor:pointer;box-shadow:0 8px 25px rgba(52,22,65,.04)}.independentWorkCard:hover,.independentWorkCard.is-active{border-color:#7a2dbb;background:#fbf5ff}.independentWorkCard span{color:#9a7000;font-size:10px;font-weight:900;text-transform:uppercase;letter-spacing:.06em}.independentWorkCard strong{color:#3c1949;font-size:15px}.independentWorkCard p{margin:0;color:#76677d;font-size:12px;line-height:1.5}.independentWorkCard small{color:#7a2dbb;font-weight:800}
.independentWorkspace{min-height:410px;padding:24px;border-radius:24px}.independentPlaceholder{display:grid;place-items:center;min-height:360px}.independentPlaceholder__mark{display:grid;place-items:center;width:62px;height:62px;margin-bottom:8px;border-radius:20px;background:#eef8f1;color:#2d8950;font-size:28px;font-weight:900}.independentPlaceholder h3,.independentPlaceholder p{margin:6px}
.independentHead{display:flex;justify-content:space-between;gap:20px;padding-bottom:18px;border-bottom:1px solid #eee4f2}.independentHead h3{margin:0;color:#361443;font-size:25px}.independentHead p:not(.eyebrow){max-width:660px;margin:8px 0 0;color:#74657b;line-height:1.55}.independentHead__meta{display:flex;flex-direction:column;gap:8px;align-items:flex-end}.independentHead__meta span{padding:7px 10px;border-radius:99px;background:#f6effa;color:#663078;font-size:11px;font-weight:900;white-space:nowrap}
.independentLevelPicker,.independentVariantPicker{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:18px 0}.independentLevelPicker>span,.independentVariantPicker>span{margin-right:4px;color:#74647b;font-size:12px;font-weight:800}.independentLevelPicker button,.independentVariantPicker button{padding:8px 12px;border:1px solid rgba(122,45,187,.2);border-radius:10px;background:#fff;color:#653078;font-weight:800;cursor:pointer}.independentLevelPicker button.is-active,.independentVariantPicker button.is-active{border-color:#7a2dbb;background:#7a2dbb;color:#fff}
.independentScale{display:flex;align-items:center;gap:18px;margin:18px 0;padding:13px 15px;border-radius:15px;background:#fff8df}.independentScale>strong{color:#765700;font-size:12px}.independentScale>div{display:flex;gap:10px;flex-wrap:wrap}.independentScale span{color:#76652f;font-size:11px}
.independentStartCard{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px;border:1px dashed rgba(122,45,187,.3);border-radius:18px;background:rgba(255,255,255,.72)}.independentStartCard__text{display:grid;gap:6px}.independentStartCard__text p{margin:0;color:#5d4b64}.independentStartButton{white-space:nowrap}
.independentQuestions{display:flex;flex-direction:column;gap:12px}.independentQuestion{display:grid;grid-template-columns:38px minmax(0,1fr);gap:12px;padding:16px;border:1px solid #eadff0;border-radius:18px;background:#fff}.independentQuestion__number{display:grid;place-items:center;align-self:start;width:34px;height:34px;border-radius:11px;background:#f4eafa;color:#712bab;font-weight:900}.independentQuestion__statement{display:block}.independentQuestion__statement p{margin:0;color:#625469;font-size:13px;line-height:1.55}.independentQuestion__statement .taskFormula{display:block;margin-top:7px;max-width:100%}.independentQuestion.is-correct{border-color:#77bc90;background:#f7fdf9}.independentQuestion.is-wrong{border-color:#e3a3a3;background:#fff9f9}
.answerInput{display:flex;align-items:center;gap:10px;margin-top:10px;flex-wrap:wrap}.answerInput__label{color:#6e5e75;font-size:13px;font-weight:800}.answerInput input{width:68px;height:34px;padding:0 7px;border:1px solid rgba(122,45,187,.24);border-radius:9px;background:#fff;color:#32133f;font:inherit;font-size:15px;text-align:center}.answerInput input::placeholder{color:#9f92aa;font-size:9px}.answerInput--text input{width:min(300px,100%);height:38px;text-align:left;font-size:14px}.answerInput__fraction{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-width:76px;padding:3px 5px;border-radius:10px;background:#fcf9fe}.answerInput__fraction input{width:64px}.answerInput__bar{display:block;width:64px;height:2px;border-radius:99px;background:#6e29a6}.answerInput__mixedWrap{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.answerInput__whole{width:52px!important}
.independentQuestion__feedback{display:flex;align-items:center;gap:10px;margin-top:12px;padding:8px 0;color:#513f58;font-size:12px}.independentQuestion__feedback strong{font-size:13px}.is-correct .independentQuestion__feedback{color:#227443}.is-wrong .independentQuestion__feedback{color:#8c3030}.independentQuestion__solution{margin-top:8px;padding-top:8px;border-top:1px solid #eee3f3;color:#594561;font-size:12px}.independentQuestion__solution .katex-display{text-align:left}.independentQuestion__solution .katex-display>.katex{text-align:left;font-size:1em}.independentQuestion__solution p{margin:8px 0 0}
.independentActions{display:flex;gap:10px;margin-top:18px}.independentResult{display:flex;align-items:center;gap:16px;margin-top:18px;padding:17px;border:1px solid rgba(122,45,187,.26);border-radius:18px;background:#fff}.independentResult__grade{display:grid;place-items:center;flex:0 0 62px;height:62px;border-radius:18px;background:#7a2dbb;color:#fff;font-size:31px;font-weight:900}.independentResult strong{color:#40194e;font-size:17px}.independentResult p{margin:5px 0 0;color:#726079;font-size:12px}

.variantPreviewPage{min-height:100vh;background:#eee9f0}.variantPreviewBar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 20px;border-bottom:1px solid #ddd0e3;background:rgba(255,255,255,.96);backdrop-filter:blur(12px)}.variantPreviewBar__back{color:#6e29a6;font-weight:800;text-decoration:none}.variantPreviewBar__controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.variantPreviewBar__controls label{display:flex;align-items:center;gap:6px;color:#5d4c64;font-size:12px;font-weight:700}.variantPreviewBar__controls select{height:34px;border:1px solid #d7c6df;border-radius:9px;background:#fff}
.variantPaper{width:min(100% - 32px,980px);min-height:1120px;margin:24px auto 50px;padding:48px 56px;background:#fff;box-shadow:0 18px 50px rgba(45,22,53,.15)}.variantPaper__header{padding-bottom:18px;border-bottom:2px solid #392043}.variantPaper__header h1{margin:0;text-align:center;color:#24102c;font-size:24px}.variantPaper__student{display:flex;justify-content:space-between;gap:20px;margin-top:24px;color:#514658;font-size:12px}.variantPaper__tasks{margin-top:22px}.variantPaper__tasks[data-columns="2"]{column-count:2;column-gap:38px}.variantPaper__topic{break-after:avoid;column-span:none;margin:22px 0 8px;padding-bottom:5px;border-bottom:1px solid #b992ca;color:#6f2aa7;font-size:14px}.variantPaper__topic:first-child{margin-top:0}.variantPaperTask{display:grid;grid-template-columns:28px minmax(0,1fr);gap:8px;break-inside:avoid;padding:9px 0;border-bottom:1px solid #eee7f1}.variantPaperTask__number{font-weight:900}.variantPaperTask__body>p{margin:0;color:#3f3743;font-size:12px}.variantPaperTask__formula .katex-display{margin:.45em 0;text-align:left}.variantPaperTask__formula .katex-display>.katex{text-align:left}.variantPaperTask__solution,.variantPaperTask__answer{margin-top:8px;padding-left:9px;border-left:2px solid #a16bc0;color:#55445e;font-size:11px}.variantPaperTask__answer{border-color:#efad18}.variantPaperTask__solution .katex-display{text-align:left}.variantPaperTask__solution .katex-display>.katex{text-align:left;font-size:.95em}.variantPaper__empty{padding:50px;text-align:center;color:#7c6d83}

@media(max-width:1050px){.taskFilters{grid-template-columns:repeat(2,minmax(0,1fr))}.variantBuilderToolbar{grid-template-columns:1fr 120px repeat(2,auto)}.variantBuilderToolbar .variantCheck:last-child{grid-column:3/5}.taskHubHero__visual img{left:-5px}}
@media(max-width:820px){.taskHubHero{grid-template-columns:1fr;padding:28px}.taskHubHero__visual{display:none}.taskTabs{grid-template-columns:1fr}.taskTabs__button{min-height:68px}.taskSectionHead{align-items:flex-start;flex-direction:column}.variantBuilderLayout,.independentLayout{grid-template-columns:1fr}.variantBuilderAside{position:static}.independentCatalog{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.variantBuilderToolbar{grid-template-columns:repeat(2,minmax(0,1fr))}.variantBuilderToolbar .variantCheck:last-child{grid-column:auto}.variantPreviewBar{align-items:flex-start;flex-direction:column}.variantPaper{padding:34px 30px}.variantPaper__tasks[data-columns="2"]{column-count:1}}
@media(max-width:620px){.taskHub{padding-top:16px}.taskHubHero{padding:23px;border-radius:24px}.taskHubHero h1{font-size:35px}.taskHubHero__stats div{flex:1;min-width:110px}.independentCatalog{grid-template-columns:1fr}.taskFilters,.variantBuilderToolbar{grid-template-columns:1fr}.taskCatalogMeta{align-items:flex-start;flex-direction:column}.taskSort{width:100%;align-items:flex-start;flex-direction:column}.taskSort select{width:100%}.taskCatalogCard__row,.independentStartCard{flex-direction:column;align-items:flex-start}.variantSelectedItem{grid-template-columns:28px 32px minmax(0,1fr)}.variantSelectedItem__controls{grid-column:3;justify-content:flex-end}.variantSelectedItem__body>div:first-child{align-items:flex-start;flex-direction:column;gap:2px}.independentWorkspace{padding:16px}.independentHead{flex-direction:column}.independentHead__meta{align-items:flex-start;flex-direction:row}.independentScale{align-items:flex-start;flex-direction:column}.independentQuestion{grid-template-columns:32px minmax(0,1fr);padding:12px}.answerInput{align-items:flex-start;flex-direction:column}.answerInput input{width:68px}.answerInput--text input{width:min(100%,240px)}.answerInput__fraction{min-width:76px}.independentActions{flex-direction:column}.variantPaper{width:100%;min-height:100vh;margin:0;padding:26px 18px;box-shadow:none}.variantPaper__student{flex-direction:column;gap:8px}.variantPreviewBar__controls{gap:8px}.variantPreviewBar__controls label{font-size:11px}}

@media print{
  .variantPreviewBar{display:none!important}.variantPreviewPage{background:#fff}.variantPaper{width:100%;min-height:0;margin:0;padding:0;box-shadow:none}.variantPaper__tasks[data-columns="2"]{column-count:2}.variantPaperTask{page-break-inside:avoid}.variantPaper__header{margin-bottom:12px}
}

/* Exam task hub v28 */
.taskExamHero{margin-bottom:30px}.taskExamHero__sheet b{font-size:24px}.taskExamCatalog{padding-top:2px}.taskExamFilters{grid-template-columns:1fr 1fr minmax(260px,2fr) auto}.taskExamFilters>.btn{align-self:end}.taskExamHubPage .taskCatalogCard strong{color:#7a2dbb}.taskExamHubPage .taskCatalogGrid{gap:12px}
@media(max-width:820px){.taskExamFilters{grid-template-columns:repeat(2,minmax(0,1fr))}.taskExamFilters .taskField--search{grid-column:1/-1}.taskExamFilters>.btn{width:max-content}}
@media(max-width:620px){.taskExamFilters{grid-template-columns:1fr}.taskExamFilters .taskField--search{grid-column:auto}.taskExamFilters>.btn{width:100%}}

/* Exam task hub v32 — ГИА switch + grouped FIPI catalog */
.taskGiaHead{margin-bottom:18px}
.taskGiaHead h2{font-size:clamp(30px,4vw,45px)}
.examModeSwitch{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:64px;width:min(100%,620px);margin:8px auto 28px;padding:4px}
.examModeSwitch__button{height:62px;border:1px solid rgba(122,45,187,.72);border-radius:14px;background:rgba(255,255,255,.76);color:#2e2431;font:inherit;font-size:18px;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease,background .16s ease}
.examModeSwitch__button:hover{transform:translateY(-1px);background:#fff}
.examModeSwitch__button.is-active{border-width:4px;background:#fff;font-weight:800}
.examModeSwitch__button[data-exam-mode="oge"].is-active{border-color:#f2b000;box-shadow:0 5px 0 rgba(91,59,25,.22),0 12px 26px rgba(88,57,25,.08)}
.examModeSwitch__button[data-exam-mode="ege"].is-active{border-color:#7a2dbb;box-shadow:0 5px 0 rgba(77,34,105,.18),0 12px 26px rgba(77,34,105,.08)}
.taskGiaFilters{grid-template-columns:minmax(160px,.7fr) minmax(280px,2fr) auto;margin-bottom:14px;padding:16px 18px;border-radius:20px;background:rgba(255,255,255,.78)}
.taskGiaMeta{margin-top:12px}
.giaTaskGroups{display:flex;flex-direction:column;gap:12px}
.giaTaskGroup{overflow:hidden;border:1px solid rgba(122,45,187,.14);border-radius:20px;background:rgba(255,255,255,.96);box-shadow:0 7px 22px rgba(53,27,65,.045)}
.giaTaskGroup__summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:78px;padding:20px 22px;cursor:pointer;user-select:none}
.giaTaskGroup__summary::-webkit-details-marker{display:none}
.giaTaskGroup__heading{display:flex;align-items:baseline;gap:16px;min-width:0}
.giaTaskGroup__heading b{flex:0 0 auto;color:#7a2dbb;font-size:16px}
.giaTaskGroup__heading span{min-width:0;color:#29222c;font-size:18px;line-height:1.35}
.giaTaskGroup__side{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.giaTaskGroup__side small{display:grid;place-items:center;min-width:28px;height:28px;padding:0 8px;border-radius:999px;background:#f6effa;color:#78338f;font-size:11px;font-weight:900}
.giaTaskGroup__side i{width:17px;height:17px;border-right:3px solid #4b91c9;border-bottom:3px solid #4b91c9;transform:rotate(45deg) translateY(-3px);transition:transform .18s ease}
.giaTaskGroup[open] .giaTaskGroup__side i{transform:rotate(225deg) translate(-2px,-2px)}
.giaTaskGroup__body{padding:6px 28px 18px;border-top:1px solid #eee7f1;background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(255,253,250,.96))}
.giaTaskItem{padding:16px 0 18px;border-bottom:1px solid #ece7ed}
.giaTaskItem:last-child{border-bottom:0}
.giaTaskItem__topline{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.giaTaskItem__index{color:#2e2630;font-weight:700}
.taskSourceTag{display:inline-flex;align-items:center;min-height:23px;padding:3px 9px;border-radius:6px;font-size:11px;font-weight:900;letter-spacing:.01em}
.taskSourceTag--fipi{background:#f27fc2;color:#fff;box-shadow:0 4px 12px rgba(218,73,160,.14)}
.taskSourceTag--real_exam{background:#66c8eb;color:#fff}
.taskSourceTag--author{background:#f5bb54;color:#5c3b00}
.giaTaskItem__statement{max-width:900px;color:#171418;font-size:16px;line-height:1.6}
.giaTaskItem__formula{margin-top:7px;color:#211926;font-size:17px}
.giaTaskItem__formula .katex{font-size:1.06em}
.giaTaskItem__items{display:grid;gap:7px;margin:10px 0 0;padding-left:24px;color:#242026;font-size:15px;line-height:1.5}
.giaExamPlaceholder{margin-top:14px;padding:40px 26px;border:1px dashed rgba(122,45,187,.28);border-radius:22px;background:linear-gradient(145deg,rgba(255,255,255,.85),rgba(250,244,252,.78));text-align:center;color:#796a80}
.giaExamPlaceholder strong{display:block;margin-top:8px;color:#44264f;font-size:20px}
.giaExamPlaceholder p{max-width:560px;margin:9px auto 0;line-height:1.55}
.giaExamPlaceholder__badge{display:inline-flex;padding:6px 12px;border:1px solid rgba(122,45,187,.25);border-radius:999px;background:#fff;color:#7a2dbb;font-size:12px;font-weight:900}

@media(max-width:820px){
  .examModeSwitch{gap:24px;width:min(100%,560px)}
  .taskGiaFilters{grid-template-columns:170px minmax(0,1fr) auto}
  .giaTaskGroup__summary{padding:18px}
  .giaTaskGroup__body{padding:5px 22px 15px}
}
@media(max-width:620px){
  .examModeSwitch{gap:12px;margin-bottom:20px}
  .examModeSwitch__button{height:54px;font-size:16px}
  .taskGiaFilters{grid-template-columns:1fr}
  .taskGiaFilters>.btn{width:100%}
  .giaTaskGroup__summary{min-height:70px;padding:16px 15px}
  .giaTaskGroup__heading{align-items:flex-start;flex-direction:column;gap:3px}
  .giaTaskGroup__heading b{font-size:14px}
  .giaTaskGroup__heading span{font-size:16px}
  .giaTaskGroup__side{gap:8px}
  .giaTaskGroup__body{padding:4px 16px 14px}
  .giaTaskItem__statement{font-size:15px}
  .giaTaskItem__items{font-size:14px}
}

/* School task hub v35 — grouped theory catalog, analogues and answer reveal */
.taskSchoolHero{margin-bottom:28px}
.taskTabs--school{grid-template-columns:repeat(2,minmax(0,1fr));max-width:760px}
.taskSchoolCatalogHead{margin-bottom:18px}
.taskSchoolFilters{grid-template-columns:minmax(170px,1.15fr) minmax(135px,.85fr) minmax(145px,.9fr) minmax(240px,1.7fr) auto;margin-bottom:14px;padding:16px 18px;border-radius:20px;background:rgba(255,255,255,.8)}
.taskSchoolFilters>.btn{align-self:end}
.schoolTaskGroups{gap:12px}
.schoolTaskGroup .giaTaskGroup__heading b{color:#b17700}
.schoolTaskGroup .giaTaskGroup__side small{background:#fff4d5;color:#916600}
.schoolTaskItem__statement{max-width:940px}
.taskSourceTag--schoolTheory{background:#f27fc2;color:#fff;box-shadow:0 4px 12px rgba(218,73,160,.13)}
.taskSourceTag--schoolAnalogue{background:#72c9e8;color:#fff;box-shadow:0 4px 12px rgba(55,148,183,.11)}
.schoolDifficultyTag{display:inline-flex;align-items:center;min-height:23px;padding:3px 8px;border-radius:6px;background:#f4eff6;color:#76647e;font-size:10px;font-weight:800}
.schoolTaskItem__actions,.giaTaskItem__actions{display:flex;gap:8px;margin-top:13px}
.schoolAnswerButton,.giaAnswerButton{min-width:118px}
.schoolTaskAnswer,.giaTaskItem__answer{margin-top:10px;padding:10px 13px;border:1px solid rgba(122,45,187,.14);border-radius:12px;background:linear-gradient(135deg,#fbf7fd,#fffaf0);color:#4e3c56;font-size:14px;line-height:1.55}
.schoolTaskAnswer strong,.giaTaskItem__answer strong{color:#351341}
.independentLayout--single{grid-template-columns:280px minmax(0,1fr)}
.independentQuestion__answer{margin-top:10px;padding:10px 12px;border-top:1px solid #eee3f3;border-radius:10px;background:#fbf8fc;color:#594561;font-size:12px}
.independentQuestion__answer strong{color:#381944}
.independentStartCard small{color:#7b6d82;font-size:12px}

@media(max-width:1050px){
  .taskSchoolFilters{grid-template-columns:repeat(2,minmax(0,1fr))}
  .taskSchoolFilters .taskField--search{grid-column:1/-1}
  .taskSchoolFilters>.btn{width:max-content}
}
@media(max-width:820px){
  .taskTabs--school{grid-template-columns:1fr;max-width:none}
  .independentLayout--single{grid-template-columns:1fr}
  .taskSchoolFilters{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:620px){
  .taskSchoolFilters{grid-template-columns:1fr}
  .taskSchoolFilters .taskField--search{grid-column:auto}
  .taskSchoolFilters>.btn{width:100%}
  .schoolTaskItem__actions,.giaTaskItem__actions{margin-top:11px}
  .schoolAnswerButton,.giaAnswerButton{width:100%}
  .schoolTaskAnswer,.giaTaskItem__answer{font-size:13px}
}

/* School task hub v36 — one accordion, half-star difficulty and compact math keypad */
.schoolTaskGroup__body{
  padding:8px 24px 18px;
}
.schoolTaskBlock{
  padding:16px 0 4px;
  border-top:1px solid #eee4f2;
}
.schoolTaskBlock:first-child{
  border-top:0;
  padding-top:10px;
}
.schoolTaskBlock__head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  padding:7px 4px 12px;
}
.schoolTaskBlock__head>div{
  display:grid;
  gap:3px;
}
.schoolTaskBlock__label{
  color:#ac7a00;
  font-size:9px;
  font-weight:900;
  letter-spacing:.11em;
  text-transform:uppercase;
}
.schoolTaskBlock__head h3{
  margin:0;
  color:#40204b;
  font-size:17px;
  line-height:1.25;
}
.schoolTaskBlock__count{
  flex:0 0 auto;
  padding:5px 8px;
  border-radius:999px;
  background:#f7f1f9;
  color:#806c88;
  font-size:10px;
  font-weight:800;
}
.schoolTaskBlock__body{
  border:1px solid #eee5f1;
  border-radius:17px;
  overflow:hidden;
  background:rgba(255,255,255,.7);
}
.schoolTaskBlock__body .schoolTaskItem{
  padding-left:14px;
  padding-right:14px;
}
.schoolTaskBlock__body .schoolTaskItem:last-child{
  border-bottom:0;
}

.schoolStars{
  display:inline-flex;
  align-items:center;
  gap:1px;
  min-height:22px;
  padding:2px 6px;
  border:1px solid rgba(224,166,20,.17);
  border-radius:999px;
  background:#fffaf0;
  line-height:1;
  white-space:nowrap;
}
.schoolStar{
  position:relative;
  display:inline-block;
  width:12px;
  height:13px;
  font-style:normal;
  line-height:13px;
}
.schoolStar::before,
.schoolStar::after{
  content:"★";
  position:absolute;
  inset:0;
  overflow:hidden;
  font-size:12px;
  line-height:13px;
}
.schoolStar::before{
  color:#e1d5c0;
}
.schoolStar::after{
  width:var(--star-fill,0%);
  color:#e8a700;
}
.schoolStarsLegend{
  display:inline-flex;
  align-items:center;
  margin-left:10px;
  color:#8a7b90;
  font-size:10px;
  white-space:normal;
}
.schoolStarsLegend__empty{color:#cfc3d4;letter-spacing:1px}
.schoolStarsLegend__full{color:#e3a300;letter-spacing:1px}

.answerInput--math{
  position:relative;
  align-items:center;
}
.answerInput--math input{
  width:158px;
  height:38px;
  padding:0 10px;
  text-align:left;
  font-size:15px;
  font-variant-numeric:tabular-nums;
}
.answerInput--math input::placeholder{
  font-size:11px;
}
.answerInput--math.has-keyboard{
  padding-bottom:2px;
}
.mathKeyboard{
  flex:0 0 100%;
  width:min(100%,310px);
  margin-top:3px;
  padding:7px;
  border:1px solid rgba(122,45,187,.18);
  border-radius:13px;
  background:linear-gradient(180deg,#fff,#fbf8fd);
  box-shadow:0 10px 24px rgba(57,24,68,.09);
}
.mathKeyboard__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  min-height:22px;
  padding:0 2px 5px 4px;
  color:#78667f;
  font-size:9px;
  font-weight:800;
}
.mathKeyboard__head button{
  display:grid;
  place-items:center;
  width:20px;
  height:20px;
  padding:0;
  border:0;
  border-radius:6px;
  background:#f4edf7;
  color:#795186;
  font:inherit;
  font-size:15px;
  cursor:pointer;
}
.mathKeyboard__grid{
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:4px;
}
.mathKeyboard__key{
  display:grid;
  place-items:center;
  min-width:0;
  height:34px;
  padding:0 4px;
  border:1px solid #e6dce9;
  border-radius:8px;
  background:#fff;
  color:#3f2848;
  font:inherit;
  font-size:13px;
  font-weight:750;
  cursor:pointer;
  box-shadow:0 1px 2px rgba(50,25,60,.03);
}
.mathKeyboard__key:hover{
  border-color:#cbaed7;
  background:#fdfaff;
}
.mathKeyboard__key:active{
  transform:translateY(1px);
  background:#f5ecf9;
}
.mathKeyboard__key--letter{
  color:#6d2d86;
  background:#fbf6fd;
}
.mathKeyboard__key--utility,
.mathKeyboard__key--action,
.mathKeyboard__key--clear{
  color:#8b6500;
  background:#fffbef;
}
.mathKeyboard__key--fraction span{
  display:grid;
  width:16px;
  line-height:10px;
}
.mathKeyboard__key--fraction i{
  display:block;
  font-size:10px;
  font-style:normal;
  text-align:center;
}
.mathKeyboard__key--fraction i:first-child{
  border-bottom:1px solid currentColor;
}

@media(max-width:620px){
  .schoolTaskGroup__body{padding:5px 12px 14px}
  .schoolTaskBlock{padding-top:12px}
  .schoolTaskBlock__head{align-items:flex-start;padding:5px 2px 9px}
  .schoolTaskBlock__head h3{font-size:15px}
  .schoolTaskBlock__count{font-size:9px}
  .schoolTaskBlock__body .schoolTaskItem{padding-left:10px;padding-right:10px}
  .schoolStars{padding:2px 5px}
  .schoolStar{width:11px;height:12px;line-height:12px}
  .schoolStar::before,.schoolStar::after{font-size:11px;line-height:12px}
  .schoolStarsLegend{display:flex;margin:5px 0 0;font-size:9px}
  .answerInput--math{width:100%;gap:6px}
  .answerInput--math input{width:min(100%,190px)}
  .mathKeyboard{width:min(100%,292px);margin-top:1px;padding:6px}
  .mathKeyboard__grid{gap:3px}
  .mathKeyboard__key{height:32px;font-size:12px;border-radius:7px}
}
/* v36 visual refinement: unfilled stars stay outlined, filled area grows by half-star steps. */
.schoolStar::before{content:"☆"}
.schoolStar::after{content:"★"}

/* ===== ЕГЭ: отдельные страницы номеров (v38) ===== */
.giaTaskGroupLink{
  display:block;
  color:inherit;
  text-decoration:none;
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease;
}
.giaTaskGroupLink:hover{
  transform:translateY(-1px);
  border-color:rgba(122,45,187,.28);
  box-shadow:0 10px 26px rgba(53,27,65,.07);
  text-decoration:none;
}
.giaTaskGroupLink .giaTaskGroup__side i{
  transform:rotate(-45deg);
}
.giaTaskGroupLink:hover .giaTaskGroup__side i{
  transform:rotate(-45deg) translate(2px,2px);
}

.egeNumberMain{padding-top:26px;padding-bottom:54px}
.egeNumberBackRow{margin:0 0 12px}
.egeNumberBack{font-weight:700;color:#775e7d}
.egeNumberPanel{padding:0;overflow:hidden}
.egeNumberHeading{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:78px;
  padding:20px 28px;
  border-bottom:1px solid #eee7f1;
  background:rgba(255,255,255,.98);
}
.egeNumberHeading .giaTaskGroup__heading b{font-size:18px}
.egeNumberHeading .giaTaskGroup__heading span{font-size:21px}
.egeNumberLead{
  margin:0;
  padding:15px 28px 16px;
  border-bottom:1px solid #eee7f1;
  background:#fffdf9;
  color:#756878;
  font-size:14px;
  line-height:1.55;
}
.egeNumberContent{background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(255,253,250,.96))}
.egeNumberBlock{padding:0 28px}
.egeNumberBlock + .egeNumberBlock{padding-top:12px}
.egeNumberBlock__title{
  display:flex;
  align-items:center;
  gap:10px;
  padding:22px 0 10px;
  border-bottom:1px solid #ece7ed;
}
.egeNumberBlock__title h2{margin:0;color:#3d2448;font-size:19px;line-height:1.3}
.egeNumberBlock__title span{
  display:grid;
  place-items:center;
  min-width:26px;
  height:24px;
  padding:0 7px;
  border-radius:999px;
  background:#f6effa;
  color:#78338f;
  font-size:11px;
  font-weight:900;
}
.giaTaskPageList{background:transparent}
.giaTaskItem--numberPage{padding-top:20px;padding-bottom:22px}
.giaTaskItem__qid{color:#9a8a9f;font-size:11px;font-weight:700;letter-spacing:.02em}
.giaTaskItem__layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:24px;
  align-items:start;
}
.giaTaskItem__main{min-width:0}
.giaTaskItem__visual{
  width:210px;
  max-width:28vw;
  margin:0;
  padding:8px;
  border:1px solid rgba(122,45,187,.10);
  border-radius:14px;
  background:#fff;
}
.giaTaskItem__visual img{display:block;width:100%;height:auto;border-radius:8px}
.egeGraphPage .giaTaskItem__visual{
  width:min(310px,36vw);
  padding:8px;
  border:1px solid #eadff1;
  border-radius:14px;
  background:#fffdf8;
}
.egeGraphPage .giaTaskItem__visual img{border-radius:10px}
.egeGraphPage .giaTaskItem__layout{align-items:start}
.giaTaskItem--numberPage .giaTaskItem__formula{margin-top:9px;font-size:18px}
.taskCardAction--link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
  white-space:nowrap;
}
.taskCardAction--link:hover{text-decoration:none}

@media(max-width:720px){
  .egeNumberMain{padding-top:16px;padding-bottom:38px}
  .egeNumberHeading{min-height:68px;padding:16px}
  .egeNumberHeading .giaTaskGroup__heading{flex-direction:column;align-items:flex-start;gap:3px}
  .egeNumberHeading .giaTaskGroup__heading b{font-size:15px}
  .egeNumberHeading .giaTaskGroup__heading span{font-size:18px}
  .egeNumberLead{padding:12px 16px 13px;font-size:13px}
  .egeNumberBlock{padding:0 16px}
  .egeNumberBlock__title{padding-top:18px}
  .egeNumberBlock__title h2{font-size:17px}
  .giaTaskItem__layout{grid-template-columns:1fr;gap:14px}
  .giaTaskItem__visual{width:min(240px,100%);max-width:100%;justify-self:start}
  .egeGraphPage .giaTaskItem__visual{width:min(360px,100%);justify-self:center}
  .giaTaskItem--numberPage .giaTaskItem__formula{overflow-x:auto;font-size:16px}
  .giaTaskItem--numberPage .giaTaskItem__actions{flex-wrap:wrap}
}


/* EGE number pages v40: mixed source labels and compact numeric tables */
.taskSourceTag--fipi_demo{background:#7d55c7;color:#fff;box-shadow:0 4px 12px rgba(89,55,150,.14)}
.giaTaskItem__subtype{margin-left:auto;color:var(--muted);font-size:13px;font-weight:650;white-space:nowrap}
.egeTaskDataTableWrap{max-width:760px;margin:14px 0 2px;overflow-x:auto;border:1px solid rgba(122,45,187,.12);border-radius:13px;background:rgba(255,255,255,.72)}
.egeTaskDataTable{width:100%;border-collapse:collapse;font-size:14px;line-height:1.35;white-space:nowrap}
.egeTaskDataTable th,.egeTaskDataTable td{padding:9px 12px;border-bottom:1px solid rgba(122,45,187,.10);text-align:center}
.egeTaskDataTable th{position:sticky;left:0;z-index:1;text-align:left;background:#fffaf5;color:#4b3753;font-weight:750}
.egeTaskDataTable tr:last-child th,.egeTaskDataTable tr:last-child td{border-bottom:0}
@media(max-width:640px){.giaTaskItem__subtype{width:100%;margin-left:0;font-size:12px}.egeTaskDataTable{font-size:12px}.egeTaskDataTable th,.egeTaskDataTable td{padding:8px 9px}}

/* EGE v42: source text that follows a displayed formula */
.giaTaskItem__afterFormula{margin-top:8px;max-width:940px;color:#171418;font-size:16px;line-height:1.6}
@media(max-width:720px){.giaTaskItem__afterFormula{font-size:15px}}

/* v43: source text that follows a debt/payment table */
.giaTaskItem__afterTable{margin-top:12px;line-height:1.58}



/* v47 — quiet prototype drawers for repeated numeric variants */
.prototypeRevealRow{padding:2px 0 12px;border-bottom:1px solid #ece7ed}
.prototypeRevealButton{display:inline-flex;align-items:center;gap:7px;margin:2px 0 0;padding:7px 2px;border:0;background:transparent;color:#867a89;font:inherit;font-size:13px;font-weight:700;cursor:pointer;box-shadow:none}
.prototypeRevealButton:hover{color:#6f5a76;background:transparent}
.prototypeRevealButton:focus-visible{outline:2px solid rgba(122,45,187,.28);outline-offset:3px;border-radius:6px}
.prototypeRevealButton small{display:inline-grid;place-items:center;min-width:21px;height:19px;padding:0 6px;border-radius:999px;background:rgba(122,45,187,.055);color:#8b7b91;font-size:10px;font-weight:800}
.prototypeRevealButton i{width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .16s ease}
.prototypeRevealButton[aria-expanded="true"] i{transform:rotate(225deg) translate(-1px,-1px)}
.prototypePanel{padding-left:18px;border-left:1px solid rgba(122,45,187,.10)}
.prototypePanel[hidden]{display:none}
.prototypePanel .giaTaskItem--numberPage{padding-top:16px;padding-bottom:18px}
.ogeNumberPage .egeNumberHeading .giaTaskGroup__heading b{color:#b17700}
.ogeNumberPage .egeNumberHeading .giaTaskGroup__side small{background:#fff4d5;color:#916600}
@media(max-width:720px){.prototypePanel{padding-left:10px}.prototypeRevealButton{font-size:12px}}




/* v64 — EGE №14/16: source mathematics rendered from TeX with KaTeX, no formula images */
.giaTaskItem__mathBlocks{
  display:grid;
  gap:10px;
  margin-top:9px;
  max-width:100%;
}
.giaTaskItem__mathBlock{min-width:0}
.giaTaskItem__mathBlockLabel{
  margin:2px 0 5px;
  color:#171418;
  font-size:16px;
  line-height:1.5;
}
.giaTaskItem__mathDisplay{
  max-width:100%;
  overflow-x:auto;
  overflow-y:hidden;
  padding:2px 0 5px;
  font-size:18px;
  scrollbar-width:thin;
}
.giaTaskItem__mathDisplay .katex-display{
  margin:0;
  text-align:left;
}
.giaTaskItem__mathDisplay .katex-display > .katex{
  text-align:left;
  white-space:nowrap;
}
@media(max-width:720px){
  .giaTaskItem__mathBlocks{gap:8px;margin-top:8px}
  .giaTaskItem__mathBlockLabel{font-size:15px}
  .giaTaskItem__mathDisplay{font-size:16px}
}

/* EGE №2 vectors v50: large, crisp LavMath coordinate-plane illustrations */
.egeVectorPage .giaTaskItem__layout{
  grid-template-columns:minmax(0,1fr) minmax(300px,360px);
  gap:28px;
}
.egeVectorPage .giaTaskItem__visual{
  width:360px;
  max-width:100%;
  padding:0;
  overflow:hidden;
  border:1px solid rgba(122,45,187,.16);
  border-radius:18px;
  background:linear-gradient(135deg,#fffdf8,#fbf7ff);
  box-shadow:0 10px 26px rgba(61,36,72,.08);
}
.egeVectorPage .giaTaskItem__visual img{
  display:block;
  width:100%;
  height:auto;
  border-radius:0;
}
@media(max-width:900px){
  .egeVectorPage .giaTaskItem__layout{grid-template-columns:minmax(0,1fr) minmax(270px,320px);gap:20px}
  .egeVectorPage .giaTaskItem__visual{width:320px}
}
@media(max-width:720px){
  .egeVectorPage .giaTaskItem__layout{grid-template-columns:1fr;gap:16px}
  .egeVectorPage .giaTaskItem__visual{width:min(380px,100%);justify-self:center}
}

/* EGE №1 planimetry v51: large, crisp orange–purple SVG diagrams with safe label spacing */
.egePlanimetryPage .giaTaskItem__layout{
  grid-template-columns:minmax(0,1fr) minmax(320px,380px);
  gap:30px;
}
.egePlanimetryPage .giaTaskItem__visual{
  width:380px;
  max-width:100%;
  margin-top:2px;
  padding:0;
  overflow:hidden;
  border:1px solid rgba(122,45,187,.16);
  border-radius:18px;
  background:linear-gradient(135deg,#fffdf8,#fbf7ff);
  box-shadow:0 10px 26px rgba(61,36,72,.08);
}
.egePlanimetryPage .giaTaskItem__visual img{
  display:block;
  width:100%;
  height:auto;
  border-radius:0;
}
@media(max-width:940px){
  .egePlanimetryPage .giaTaskItem__layout{grid-template-columns:minmax(0,1fr) minmax(290px,340px);gap:22px}
  .egePlanimetryPage .giaTaskItem__visual{width:340px}
}
@media(max-width:720px){
  .egePlanimetryPage .giaTaskItem__layout{grid-template-columns:1fr;gap:16px}
  .egePlanimetryPage .giaTaskItem__visual{width:min(410px,100%);justify-self:center}
}


/* EGE №3 stereometry v55: crisp FIPI-based SVG solids with generous safe margins */
.egeStereometryPage .giaTaskItem__layout{
  grid-template-columns:minmax(0,1fr) minmax(350px,420px);
  gap:30px;
}
.egeStereometryPage .giaTaskItem__visual{
  width:420px;
  max-width:100%;
  margin-top:2px;
  padding:0;
  overflow:hidden;
  border:1px solid rgba(122,45,187,.16);
  border-radius:18px;
  background:linear-gradient(135deg,#fffdf8,#fbf7ff);
  box-shadow:0 10px 26px rgba(61,36,72,.08);
}
.egeStereometryPage .giaTaskItem__visual img{display:block;width:100%;height:auto;border-radius:0}
@media(max-width:980px){
  .egeStereometryPage .giaTaskItem__layout{grid-template-columns:minmax(0,1fr) minmax(310px,360px);gap:22px}
  .egeStereometryPage .giaTaskItem__visual{width:360px}
}
@media(max-width:720px){
  .egeStereometryPage .giaTaskItem__layout{grid-template-columns:1fr;gap:16px}
  .egeStereometryPage .giaTaskItem__visual{width:min(430px,100%);justify-self:center}
}

/* v73 — OGE task 7: coordinate-line diagrams stay full-width below the prompt. */
.ogeCoordinatePage .giaTaskItem__layout{
  grid-template-columns:1fr;
  gap:0;
}
.ogeCoordinatePage .giaTaskItem__visual{
  width:min(100%,980px);
  max-width:100%;
  margin:15px 0 5px;
  padding:10px 12px;
  justify-self:start;
  border:1px solid rgba(122,45,187,.10);
  border-radius:14px;
  background:#fff;
}
.ogeCoordinatePage .giaTaskItem__visual img{
  display:block;
  width:100%;
  height:auto;
  border-radius:8px;
}
.ogeCoordinatePage .giaTaskItem__actions{margin-top:13px}
@media(max-width:720px){
  .ogeCoordinatePage .giaTaskItem__visual{
    width:100%;
    margin-top:13px;
    padding:7px 8px;
  }
}


/* v75 — OGE task 10: probability diagrams stay large below the prompt. */
.ogeProbabilityPage .giaTaskItem__layout{
  grid-template-columns:1fr;
  gap:0;
}
.ogeProbabilityPage .giaTaskItem__visual{
  width:min(100%,980px);
  max-width:100%;
  margin:16px 0 6px;
  padding:10px 12px;
  justify-self:start;
  border:1px solid rgba(122,45,187,.10);
  border-radius:14px;
  background:#fff;
}
.ogeProbabilityPage .giaTaskItem__visual img{
  display:block;
  width:100%;
  height:auto;
  border-radius:8px;
}
.ogeProbabilityPage .giaTaskItem__actions{margin-top:13px}
@media(max-width:720px){
  .ogeProbabilityPage .giaTaskItem__visual{
    width:100%;
    margin-top:13px;
    padding:7px 8px;
  }
}

/* v77 — OGE №11: original FIPI graph triplets, displayed large under the prompt */
.ogeGraphMatchPage .giaTaskItem__layout{grid-template-columns:minmax(0,1fr)}
.ogeGraphMatchPage .giaTaskItem__main{max-width:100%}
.giaTaskMatch{margin-top:14px;max-width:940px}
.giaTaskMatch__heading,.giaTaskImageGrid__heading{margin-bottom:8px;color:#54475a;font-size:12px;font-weight:900;letter-spacing:.07em}
.giaTaskMatch__rows{display:grid;gap:8px}
.giaTaskMatch__row{display:flex;align-items:flex-start;gap:8px;min-width:0;color:#171418;font-size:16px;line-height:1.5}
.giaTaskMatch__label{flex:0 0 24px;font-weight:800}
.giaTaskMatch__value{min-width:0;overflow-x:auto}
.giaTaskMatch__after{margin-top:14px;color:#171418;font-size:15px;line-height:1.55}
.giaTaskImageGrid{margin-top:16px;width:min(100%,940px)}
.giaTaskImageGrid__items{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:start}
.giaTaskImageGrid__cell{display:grid;gap:6px;min-width:0;margin:0;padding:10px;border:1px solid #eadff1;border-radius:14px;background:#fff}
.giaTaskImageGrid__label{color:#2b2030;font-size:15px;font-weight:850;text-align:center}
.giaTaskImageGrid__cell img{display:block;width:100%;max-width:260px;height:auto;margin:0 auto;object-fit:contain;image-rendering:auto}
.ogeGraphMatchPage .giaTaskItem__actions{margin-top:18px}
@media(max-width:720px){
  .giaTaskImageGrid__items{grid-template-columns:1fr;gap:12px}
  .giaTaskImageGrid__cell{width:min(100%,320px);justify-self:center}
  .giaTaskImageGrid__cell img{max-width:280px}
  .giaTaskMatch__row{font-size:15px}
}

/* v79 — OGE №13: mixed text/image answer choices without redrawing FIPI number lines. */
.ogeInequalityPage .giaTaskItem__layout{grid-template-columns:minmax(0,1fr)}
.ogeInequalityPage .giaTaskItem__main{max-width:100%}
.ogeInequalityPage .giaTaskItem__visual{width:min(100%,940px);max-width:100%;margin:14px 0 6px;padding:8px 10px;border:1px solid #eadff1;border-radius:14px;background:#fff}
.ogeInequalityPage .giaTaskItem__visual img{display:block;max-width:100%;width:auto;height:auto;margin:0;object-fit:contain;image-rendering:auto}
.giaTaskChoiceGrid{margin-top:14px;width:min(100%,940px)}
.giaTaskChoiceGrid__heading{margin-bottom:8px;color:#54475a;font-size:12px;font-weight:900;letter-spacing:.07em}
.giaTaskChoiceGrid__items{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 14px;margin:0;padding:0;list-style:none}
.giaTaskChoiceGrid__item{display:grid;grid-template-columns:28px minmax(0,1fr);gap:7px;align-items:center;min-width:0;padding:9px 11px;border:1px solid #eadff1;border-radius:12px;background:#fff;color:#171418;font-size:15px;line-height:1.45}
.giaTaskChoiceGrid__label{font-weight:850;align-self:start;padding-top:2px}
.giaTaskChoiceGrid__value{min-width:0;overflow-x:auto}
.giaTaskChoiceGrid__value img{display:block;width:auto;max-width:100%;max-height:120px;margin:0;object-fit:contain;image-rendering:auto}
.giaTaskChoiceGrid__math{display:inline-block;min-width:max-content}
.ogeInequalityPage .giaTaskItem__actions{margin-top:17px}
@media(max-width:720px){
  .giaTaskChoiceGrid__items{grid-template-columns:1fr;gap:8px}
  .giaTaskChoiceGrid__item{grid-template-columns:26px minmax(0,1fr);padding:8px 9px}
  .giaTaskChoiceGrid__value img{max-height:105px}
  .ogeInequalityPage .giaTaskItem__visual{width:100%;padding:7px 8px}
}

/* v81 — OGE №15: exact mirrored FIPI triangle diagrams; no geometry redrawn. */
.ogeTrianglePage .giaTaskItem__layout{grid-template-columns:minmax(0,1fr);gap:0}
.ogeTrianglePage .giaTaskItem__main{max-width:100%}
.ogeTrianglePage .giaTaskItem__visual{
  width:min(100%,620px);
  max-width:100%;
  margin:15px 0 6px;
  padding:10px 12px;
  justify-self:start;
  border:1px solid #eadff1;
  border-radius:14px;
  background:#fff;
}
.ogeTrianglePage .giaTaskItem__visual img{
  display:block;
  width:auto;
  max-width:100%;
  max-height:430px;
  height:auto;
  margin:0 auto;
  object-fit:contain;
  image-rendering:auto;
}
.giaTaskSourceCondition{width:min(100%,940px);margin-top:10px;padding:10px 12px;border:1px solid rgba(122,45,187,.10);border-radius:12px;background:#fffdf9}
.giaTaskSourceCondition__line{display:flex;flex-wrap:wrap;align-items:baseline;gap:3px;color:#171418;font-size:16px;line-height:1.7}
.giaTaskSourceCondition__inlineImage{display:inline-block;width:auto;max-width:180px;height:auto;max-height:34px;vertical-align:middle;object-fit:contain}
.giaTaskSourceCondition__note{margin-top:6px;color:#8b7c90;font-size:11px;line-height:1.45}
.ogeTrianglePage .giaTaskItem__actions{margin-top:15px}
@media(max-width:720px){
  .ogeTrianglePage .giaTaskItem__visual{width:100%;padding:8px 9px}
  .ogeTrianglePage .giaTaskItem__visual img{max-height:360px}
  .giaTaskSourceCondition{padding:8px 9px}
  .giaTaskSourceCondition__line{font-size:15px}
  .giaTaskSourceCondition__inlineImage{max-width:140px;max-height:30px}
}

/* v83 — OGE №16: exact mirrored FIPI circle/quadrilateral drawings; no geometry redrawn. */
.ogeCirclePage .giaTaskItem__layout{grid-template-columns:minmax(0,1fr);gap:0}
.ogeCirclePage .giaTaskItem__main{max-width:100%}
.ogeCirclePage .giaTaskItem__visual{
  width:min(100%,680px);
  max-width:100%;
  margin:15px 0 6px;
  padding:10px 12px;
  justify-self:start;
  border:1px solid #eadff1;
  border-radius:14px;
  background:#fff;
}
.ogeCirclePage .giaTaskItem__visual img{
  display:block;
  width:auto;
  max-width:100%;
  max-height:460px;
  height:auto;
  margin:0 auto;
  object-fit:contain;
  image-rendering:auto;
}
.ogeCirclePage .giaTaskItem__actions{margin-top:15px}
@media(max-width:720px){
  .ogeCirclePage .giaTaskItem__visual{width:100%;padding:8px 9px}
  .ogeCirclePage .giaTaskItem__visual img{max-height:380px}
}


/* v84 — OGE №17: exact mirrored FIPI quadrilateral drawings; no geometry redrawn. */
.ogeQuadrilateralPage .giaTaskItem__layout{grid-template-columns:minmax(0,1fr);gap:0}
.ogeQuadrilateralPage .giaTaskItem__main{max-width:100%}
.ogeQuadrilateralPage .giaTaskItem__visual{
  width:min(100%,700px);
  max-width:100%;
  margin:15px 0 6px;
  padding:10px 12px;
  justify-self:start;
  border:1px solid #eadff1;
  border-radius:14px;
  background:#fff;
}
.ogeQuadrilateralPage .giaTaskItem__visual img{
  display:block;
  width:auto;
  max-width:100%;
  max-height:470px;
  height:auto;
  margin:0 auto;
  object-fit:contain;
  image-rendering:auto;
}
.ogeQuadrilateralPage .giaTaskItem__actions{margin-top:15px}
@media(max-width:720px){
  .ogeQuadrilateralPage .giaTaskItem__visual{width:100%;padding:8px 9px}
  .ogeQuadrilateralPage .giaTaskItem__visual img{max-height:390px}
}


/* v85 — OGE №18: exact mirrored FIPI grid-geometry images; no geometry redrawn. */
.ogeGridGeometryPage .giaTaskItem__layout{grid-template-columns:minmax(0,1fr);gap:0}
.ogeGridGeometryPage .giaTaskItem__main{max-width:100%}
.ogeGridGeometryPage .giaTaskItem__visual{width:min(100%,720px);max-width:100%;margin:15px 0 6px;padding:10px 12px;justify-self:start;border:1px solid #eadff1;border-radius:14px;background:#fff}
.ogeGridGeometryPage .giaTaskItem__visual img{display:block;width:auto;max-width:100%;max-height:500px;height:auto;margin:0 auto;object-fit:contain;image-rendering:auto}
.ogeGridGeometryPage .giaTaskItem__actions{margin-top:15px}
@media(max-width:720px){.ogeGridGeometryPage .giaTaskItem__visual{width:100%;padding:8px 9px}.ogeGridGeometryPage .giaTaskItem__visual img{max-height:410px}}