.tool__ico--brand{background:var(--color-brand-5,#f1eefe)}
.tool__ico--blue{background:var(--color-blue-10,#e8f0ff)}
.tool__ico--yellow{background:var(--color-yellow-10,#fff4d9)}
.tool__ico--pink{background:var(--color-pink-10,#ffe9f3)}
.tool__ico--success{background:var(--color-success-10,#e3f8ec)}
.qcard{border:1px solid var(--color-stroke,#e5dff1);border-radius:var(--radius-md,16px);padding:20px 22px;margin:0 0 16px;background:#fff}
.qcard__head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.qcard__label{display:inline-block;font-size:13px;font-weight:600;line-height:1;
 padding:7px 12px;border-radius:999px;background:var(--color-brand-5,#f2ecfe);
 color:var(--color-text-title,#0d0a23)}
.qcard__pts{margin-left:auto;flex:0 0 auto;width:36px;height:36px;border-radius:50%;
 display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;
 line-height:1;color:var(--color-text-title,#0d0a23);background:var(--color-bg-tint,#f6f2ff);
 border:1px solid var(--color-stroke,#e5dff1)}
.qcard__q{font-weight:600;margin:0}
.qcard__q p{margin:0}
.qcard__optlabel{font-size:13px;color:var(--color-text-title,#0d0a23);opacity:.8;margin:14px 0 10px}
.qcard__opts{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px}
.qopt{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;border-radius:10px;
 background:var(--color-bg-tint,#f6f2ff);border:1px solid transparent}
.qopt__mark{flex:0 0 26px;width:26px;height:26px;border-radius:50%;
 border:2px solid var(--color-stroke,#e5dff1);display:flex;align-items:center;justify-content:center;
 font-size:13px;font-weight:600;color:var(--color-text-title,#0d0a23);background:#fff}
.qopt__text{flex:1;min-width:0}
.qcard details{margin-top:14px}
@media(max-width:720px){.qcard__opts{grid-template-columns:1fr}.qcard{padding:16px}}
.qopt--multi .qopt__mark{border-radius:6px}
.qmatch{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px}
.qmatch__col{display:flex;flex-direction:column;gap:10px}
.qans{margin:0 0 6px}
.qvar{margin:28px 0 12px}
.qlevel{display:flex;align-items:center;gap:10px;margin:22px 0 12px;font-size:15px}
.qlevel__pts{font-size:13px;font-weight:400;color:var(--color-text-title,#0d0a23);opacity:.75}
@media(max-width:720px){.qmatch{grid-template-columns:1fr}}
.qcard details[hidden],.quiz__result[hidden],.quiz__bar[hidden]{display:none!important}
.quiz--live .qcard__opts>.qopt{cursor:pointer;transition:background-color .15s,border-color .15s}
.quiz--live .qcard__opts>.qopt:hover{border-color:var(--color-brand-20,#e6d9fd)}
.quiz--live .qopt:focus-visible,.qpick__b:focus-visible{outline:2px solid var(--color-brand-100,#8043f7);outline-offset:2px}
.qopt[aria-checked="true"],.qopt[aria-pressed="true"]{background:var(--color-brand-5,#f2ecfe);border-color:var(--color-brand-100,#8043f7)}
.qopt[aria-checked="true"] .qopt__mark,.qopt[aria-pressed="true"] .qopt__mark{background:var(--color-brand-100,#8043f7);border-color:var(--color-brand-100,#8043f7);color:#fff}
.qopt__ord{margin-left:auto;flex:0 0 auto;min-width:24px;height:24px;padding:0 7px;border-radius:999px;
 display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
 background:var(--color-brand-100,#8043f7);color:#fff}
.qopt__ord:empty{display:none}
.qopt__ord[data-want]::after{content:" → " attr(data-want)}
.qopt.qopt--right{background:var(--color-success-10,#e6f8f4);border-color:var(--color-success-100,#01b58b)}
.qopt.qopt--wrong{background:var(--color-error-10,#fdf0ef);border-color:var(--color-error-100,#f06b64)}
.qopt.qopt--right .qopt__mark,.qopt.qopt--right .qopt__ord{background:#fff;border:2px solid var(--color-success-100,#01b58b);color:var(--color-text-title,#0d0a23)}
.qopt.qopt--wrong .qopt__mark,.qopt.qopt--wrong .qopt__ord{background:#fff;border:2px solid var(--color-error-100,#f06b64);color:var(--color-text-title,#0d0a23)}
.qcard--ok{border-color:var(--color-success-100,#01b58b)}
.qcard--bad{border-color:var(--color-error-100,#f06b64)}
.qcard--skip{border-color:var(--color-yellow-100,#ffb200)}
.qpick{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.qpick__b{min-width:32px;height:32px;padding:0 8px;border-radius:8px;border:1px solid var(--color-stroke,#e5dff1);
 background:#fff;font:inherit;font-weight:600;color:inherit;cursor:pointer}
.qpick__b[aria-checked="true"]{background:var(--color-brand-100,#8043f7);border-color:var(--color-brand-100,#8043f7);color:#fff}
.qpick__b--right{background:var(--color-success-10,#e6f8f4)!important;border:2px solid var(--color-success-100,#01b58b)!important;color:var(--color-text-title,#0d0a23)!important}
.qpick__b--wrong{background:var(--color-error-10,#fdf0ef)!important;border:2px solid var(--color-error-100,#f06b64)!important;color:var(--color-text-title,#0d0a23)!important}
.qpick__b:disabled{cursor:default}
.quiz__bar{position:sticky;bottom:12px;z-index:2;display:flex;align-items:center;justify-content:space-between;
 gap:12px;flex-wrap:wrap;margin:20px 0 0;padding:12px 16px;border:1px solid var(--color-stroke,#e5dff1);
 border-radius:var(--radius-md,16px);background:#fff}
.quiz__progress{font-size:14px;color:var(--color-text-title,#0d0a23)}
.quiz__result{margin:20px 0 0;padding:20px 22px;border-radius:var(--radius-md,16px);background:var(--color-bg-tint,#f6f2ff)}
.quiz__result:focus{outline:none}
.quiz__score,.mat .prose .quiz__score{font-size:22px;font-weight:700;margin:0 0 6px}
.quiz__detail{margin:0 0 14px}
.quiz__key,.mat .prose .quiz__key{margin:0 0 14px;font-size:14px;line-height:1.7;overflow-wrap:anywhere}
.mat .promo--wide[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.quiz__teacher{margin:18px 0 0;padding:16px 18px;border-radius:var(--radius-md,16px);background:#fff;border:1px solid var(--color-stroke,#e5dff1)}
.quiz__kicker{display:block;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--color-brand-100,#8043f7);margin:0 0 6px}
.quiz__teacher p{margin:0 0 12px}
main.page>.shell{min-width:0;max-width:100%}
.prose{overflow-wrap:anywhere}
.tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%;margin:0 0 16px}
.tbl-scroll table{margin:0}
@media(max-width:720px){.tbl-scroll table{font-size:14px}.tbl-scroll th,.tbl-scroll td{padding:6px 8px}}
main.mat.page{gap:clamp(28px,4vw,48px)}
.mat-wrap{max-width:840px;margin-inline:auto;width:100%}
.mat .mat-sec{min-width:0;max-width:100%}
.mat .prose{max-width:none}
.mat .h-sec{font-size:clamp(24px,2.4vw,30px);line-height:1.2}
.mat .prose>h2.h-sec:first-child{margin-top:0}
/* герой */
.mat-hero__in{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:32px;align-items:center;
 padding:36px var(--gutter,16px) 40px;max-width:calc(840px + 2*var(--gutter,16px))}
.mat-hero .crumbs__now{color:var(--color-text-title,#0d0a23)}
.mat-hero__body{display:flex;flex-direction:column;align-items:flex-start;gap:14px;min-width:0}
.mat-hero .h-sec{font-size:clamp(26px,2.8vw,36px);line-height:1.15}
.mat-hero .sec-intro{margin:0;max-width:none}
.mat-kicker{display:flex;flex-wrap:wrap;gap:8px}
.mat-kicker>span{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
 font-size:12px;font-weight:700;letter-spacing:.04em;background:#fff;color:var(--color-text-title,#0d0a23);
 border:1px solid var(--color-brand-20,#e6d9fd)}
.mat-kicker__type{background:var(--color-brand-100,#8043f7)!important;color:#fff!important;border-color:var(--color-brand-100,#8043f7)!important}
.mat-hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:4px}
.mat-hero__cta .btn{height:52px;padding:0 26px;font-size:var(--btn-font-size,14px)}
.mat-hero__note{margin:0;font-size:14px;line-height:1.5;color:var(--color-text-title,#0d0a23)}
.mat-hero__note a{color:var(--color-brand-100,#8043f7);font-weight:700}
.mat-facts{list-style:none;margin:4px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.mat-facts li{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:8px;
 background:#fff;border:1px solid var(--color-stroke,#e5dff1);font-size:13px;font-weight:600;color:var(--color-text-title,#0d0a23)}
.mat-facts li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--color-brand-100,#8043f7);box-shadow:0 0 0 3px var(--color-brand-5,#f2ecfe)}
.mat-hero__art{position:relative;height:250px;border-radius:var(--radius-md,16px);background:var(--color-brand-100,#8043f7);
 overflow:hidden;display:flex;align-items:flex-end;justify-content:center}
.mat-hero__art img{position:relative;width:auto;height:92%;max-width:90%;object-fit:contain;display:block;margin-bottom:-2px}
.mat-hero__ring{position:absolute;top:-45%;right:-30%;width:90%;aspect-ratio:1;border-radius:50%;border:30px solid rgba(255,255,255,.1)}
/* фиолетовые карточки теории: заголовки и выделения — белым, без лишнего верхнего отступа */
.mat .faq__card h3{color:#fff;margin-top:0;font-size:clamp(18px,1.9vw,22px);line-height:1.3}
.mat .faq__card :is(p,li,strong,a,em){color:#fff}
.mat .faq__card a{text-decoration-color:rgba(255,255,255,.6)}
.mat .faq__card{gap:12px}
/* промо-смужка — ссылка внутри .prose: перебиваем правило подчёркнутых ссылок */
.mat .prose>a.promo.promo--bar{color:var(--color-text-title,#0d0a23);text-decoration:none}
.mat .prose>a.promo.promo--bar:hover{color:var(--color-text-title,#0d0a23);text-decoration:none}
.mat .prose>.promo--card{margin-top:1.2em}
.mat .promo__list li::before{content:none}
.mat-ico--pink{background:var(--color-pink-10,#ffeff4)}
.mat-ico--blue{background:var(--color-blue-10,#e5f8ff)}
.mat-ico--yellow{background:var(--color-yellow-10,#fff7e5)}
.mat-ico--success{background:var(--color-success-10,#e6f8f4)}
.mat .promo__actions{display:flex;flex-wrap:wrap;gap:10px}
/* шаги и умения */
.mat-steps__h,.mat .prose .mat-steps__h{margin:0 0 12px;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--color-brand-100,#8043f7)}
.mat-steps__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(12px,1.6vw,18px)}
.mat-step{display:flex;flex-direction:column;gap:8px;padding:clamp(16px,2vw,22px);border-radius:var(--radius-md,16px);background:var(--color-bg-tint,#f6f2ff)}
.mat-step__n{width:32px;height:32px;border-radius:999px;background:var(--color-brand-100,#8043f7);color:#fff;font-weight:700;display:inline-flex;align-items:center;justify-content:center}
.mat-step__t{font-weight:700;color:var(--color-text-title,#0d0a23)}
.mat-step p{margin:0;font-size:14px;line-height:1.55}
.mat-step a{color:var(--color-brand-100,#8043f7);font-weight:700}
.mat-skills ul{margin:0}
/* FAQ: нативные details в стиле аккордеона сайта */
.mat-faq{display:flex;flex-direction:column}
.mat-faq__q{border-top:1px solid rgba(128,67,247,.16);margin:0}
.mat-faq__q:last-child{border-bottom:1px solid rgba(128,67,247,.16)}
.mat-faq__q>summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:clamp(16px,2vw,20px) 4px;cursor:pointer;font-size:clamp(16px,1.6vw,18px);font-weight:700;color:var(--color-text-title,#0d0a23);line-height:1.35}
.mat-faq__q>summary::-webkit-details-marker{display:none}
.mat-faq__plus{flex:none;width:32px;height:32px;border-radius:999px;background:var(--color-brand-5,#f2ecfe);position:relative;transition:transform .2s,background .2s}
.mat-faq__plus::before,.mat-faq__plus::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:2px;background:var(--color-brand-100,#8043f7);transform:translate(-50%,-50%);border-radius:1px}
.mat-faq__plus::after{transform:translate(-50%,-50%) rotate(90deg)}
.mat-faq__q[open]>summary .mat-faq__plus{background:var(--color-brand-100,#8043f7);transform:rotate(45deg)}
.mat-faq__q[open]>summary .mat-faq__plus::before,.mat-faq__q[open]>summary .mat-faq__plus::after{background:#fff}
.mat-faq__a{padding:0 60px 20px 4px;line-height:1.6}
.mat-faq__a p{margin:0}
/* панель быстрых действий: кнопка-плитка без системных стилей; липкая панель теста над нижней полосой */
.mat~.rail button.rail__btn{appearance:none;-webkit-appearance:none;border:0;padding:0;margin:0;font-family:inherit;cursor:pointer}
.mat .mat-sec>.mat-wrap>.grid-3{grid-template-columns:repeat(2,1fr)}
.mat-printhead{display:none}
.mat .prose img.mat-img--photo{max-width:min(100%,420px);margin-inline:auto}
.mat .prose img.mat-img--diagram{max-width:min(100%,800px);margin-inline:auto;border-radius:0}
/* ── герой листа (по образцу Mathema): полоса фактов с подписями + карточка «Безкоштовно» ── */
.mat-hero--leaf .mat-hero__in{grid-template-columns:minmax(0,1fr) 280px;align-items:start}
.mat-grid{display:flex;flex-wrap:wrap;gap:12px 28px;margin:2px 0 4px}
.mat-grid__i{display:flex;flex-direction:column;gap:4px;min-width:0}
.mat-grid dt{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--color-text-caption,#6b6585)}
.mat-grid dd{margin:0;font-size:17px;font-weight:700;color:var(--color-text-title,#0d0a23);white-space:nowrap}
.mat-btn-ico{display:inline-flex;align-items:center;gap:8px}
.mat-offer{background:#fff;border-radius:var(--radius-lg,24px);padding:22px;box-shadow:0 18px 48px rgba(53,23,145,.14);
 display:flex;flex-direction:column;gap:14px;border:1px solid var(--color-brand-20,#e6d9fd)}
.mat-offer__free{display:flex;flex-direction:column;align-items:center;gap:4px;padding:16px 12px;border-radius:var(--radius-md,16px);
 background:linear-gradient(180deg,var(--color-brand-5,#f2ecfe),#fff);text-align:center}
.mat-offer__free b{font-size:26px;line-height:1.1;font-weight:800;color:var(--color-brand-100,#8043f7)}
.mat-offer__free span{font-size:13px;color:var(--color-text-caption,#6b6585)}
.mat-offer__list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.mat-offer__list li{position:relative;padding-left:26px;font-size:14px;line-height:1.4;color:var(--color-text-title,#0d0a23)}
.mat-offer__list li::before{content:"";position:absolute;left:0;top:1px;width:18px;height:18px;border-radius:50%;
 background:var(--color-success-10,#e6f8f4) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%2300a37a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat}
.mat-offer__btn{width:100%;height:50px;justify-content:center}
.mat-offer__note{margin:0;font-size:12px;line-height:1.45;text-align:center;color:var(--color-text-caption,#6b6585)}
/* ── раскладка листа: контент + липкий сайдбар (оглавление и CTA) ── */
.mat-layout__main{display:flex;flex-direction:column;gap:clamp(28px,4vw,48px);min-width:0}
.mat-aside{display:none}
.mat-toc{background:#fff;border:1px solid var(--color-stroke,#e5dff1);border-radius:var(--radius-md,16px);padding:18px 18px 12px}
.mat-toc__h{margin:0 0 8px;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--color-brand-100,#8043f7)}
.mat-toc ol{list-style:none;margin:0;padding:0 4px 0 0;display:flex;flex-direction:column;max-height:calc(100vh - 380px);overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain}
.mat-toc a{display:block;padding:7px 10px;margin:0 -10px;border-radius:8px;font-size:14px;line-height:1.35;
 color:var(--color-text-body,#3d3857);text-decoration:none}
.mat-toc a:hover{background:var(--color-brand-5,#f2ecfe);color:var(--color-brand-100,#8043f7)}
.mat-toc a.is-cur{background:var(--color-brand-5,#f2ecfe);color:var(--color-brand-100,#8043f7);font-weight:700}
.mat-try{margin-top:16px;padding:20px;border-radius:var(--radius-md,16px);
 background:linear-gradient(120deg,#fff 0%,var(--color-brand-10,#ece2fe) 100%);border:1px solid var(--color-brand-20,#e6d9fd)}
.mat-try__t{margin:0 0 8px;font-size:18px;font-weight:800;line-height:1.25;color:var(--color-brand-120,#4a1fb8)}
.mat-try__p{margin:0 0 14px;font-size:14px;line-height:1.5;color:var(--color-text-body,#3d3857)}
.mat-try__btn{width:100%;justify-content:center}
@media(min-width:1100px){
 .mat-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;align-items:start;width:100%}
 .mat-layout .mat-wrap{max-width:none}
 .mat-aside{display:block;position:sticky;top:96px;align-self:start}
 .mat-hero--leaf .mat-hero__in{grid-template-columns:minmax(0,1fr) 280px;gap:48px;max-width:1120px}
}
@media(max-width:900px){.mat-hero--leaf .mat-hero__in{grid-template-columns:1fr}.mat-offer{max-width:420px}}
@media(max-width:720px){.mat-grid{gap:10px 20px}.mat-grid dd{font-size:15px}.mat-offer{max-width:none}}
/* ── режим «по одному завданню» ── */
.quiz__mode{display:inline-flex;gap:4px;padding:4px;margin:0 0 14px;border-radius:12px;background:var(--color-brand-5,#f2ecfe)}
.quiz__mode button{appearance:none;border:0;background:none;font:inherit;font-size:14px;font-weight:700;padding:8px 14px;border-radius:9px;
 color:var(--color-text-body,#3d3857);cursor:pointer}
.quiz__mode button[aria-pressed="true"]{background:#fff;color:var(--color-brand-100,#8043f7);box-shadow:0 2px 8px rgba(53,23,145,.12)}
.quiz--step .qcard:not(.is-cur){display:none}
.quiz__nav{display:none;align-items:center;gap:8px;flex-wrap:wrap;margin:4px 0 14px}
.quiz--step .quiz__nav{display:flex}
.quiz__pills{display:flex;flex-wrap:wrap;gap:6px;order:4;flex:1 1 100%}
.quiz__count{flex:1 1 auto;text-align:center}
.mat h2[id],.mat [id="zavdannia"]{scroll-margin-top:96px}
.quiz__pill{appearance:none;width:36px;height:36px;border-radius:9px;border:1px solid var(--color-stroke,#e5dff1);background:#fff;
 font:inherit;font-size:14px;font-weight:700;color:var(--color-text-body,#3d3857);cursor:pointer}
.quiz__pill.is-done{background:var(--color-brand-5,#f2ecfe);border-color:var(--color-brand-20,#e6d9fd);color:var(--color-brand-100,#8043f7)}
.quiz__pill.is-cur{border-color:var(--color-brand-100,#8043f7);box-shadow:0 0 0 2px var(--color-brand-20,#e6d9fd)}
.quiz__step-btn{height:40px;padding:0 16px}
.quiz__count{font-size:14px;font-weight:700;color:var(--color-text-title,#0d0a23)}
@media print{
 .mat-offer,.mat-aside,.mat-grid,.quiz__mode,.quiz__nav{display:none!important}
 .quiz--step .qcard{display:block!important}
 .mat-layout{display:block}
}
/* ── бібліотека /materialy/ ── */
.lib-hero__in{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:36px;align-items:start;padding:36px var(--gutter,16px) 40px;max-width:1120px}
.lib-hero__body{display:flex;flex-direction:column;align-items:flex-start;gap:14px;min-width:0}
.lib-hero .h-sec{font-size:clamp(28px,3vw,40px);line-height:1.12}
.lib-hero .sec-intro{margin:0;max-width:720px}
.lib-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.lib-stat{display:flex;flex-direction:column;align-items:center;min-width:120px;padding:12px 18px;border-radius:var(--radius-md,16px);
 background:#fff;border:1px solid var(--color-brand-20,#e6d9fd)}
.lib-stat b{font-size:26px;line-height:1.1;font-weight:800;color:var(--color-brand-100,#8043f7)}
.lib-stat span{font-size:13px;color:var(--color-text-caption,#6b6585)}
.mat .lib-sec>.mat-wrap{max-width:none}
.lib-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:32px;align-items:start}
.lib-filters{position:sticky;top:96px;background:#fff;border:1px solid var(--color-stroke,#e5dff1);border-radius:var(--radius-md,16px);padding:16px}
.lib-filters__h{margin:0 0 6px;font-weight:800;font-size:16px;color:var(--color-text-title,#0d0a23)}
.lib-f{border-top:1px solid var(--color-stroke,#e5dff1);padding:10px 0 4px}
.lib-f>summary{cursor:pointer;list-style:none;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--color-brand-100,#8043f7);padding:2px 0 8px}
.lib-f>summary::-webkit-details-marker{display:none}
@media(max-width:900px){.lib-f>summary{display:flex;justify-content:space-between}.lib-f>summary::after{content:"+";font-size:16px}.lib-f[open]>summary::after{content:"−"}}
.lib-f ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.lib-f a{display:flex;align-items:center;gap:8px;padding:6px 8px;margin:0 -8px;border-radius:8px;font-size:14px;
 color:var(--color-text-body,#3d3857);text-decoration:none}
.lib-f a:hover{background:var(--color-brand-5,#f2ecfe);color:var(--color-brand-100,#8043f7)}
.lib-f a[aria-current="page"]{background:var(--color-brand-5,#f2ecfe);color:var(--color-brand-100,#8043f7);font-weight:700}
.lib-f__n{margin-left:auto;font-size:12px;font-weight:700;color:var(--color-text-caption,#6b6585)}
.lib-f__dot{width:8px;height:8px;border-radius:50%;flex:none;background:var(--color-brand-100,#8043f7)}
.lib-f__dot--testy{background:#2f7cf6}.lib-f__dot--samostiini{background:#ff8a00}.lib-f__dot--kontrolni-roboty{background:#e5486e}
.lib-f__dot--konspekty{background:#12a37f}.lib-f__dot--prezentatsii{background:#8043f7}
.lib-main{display:flex;flex-direction:column;gap:22px;min-width:0}
.lib-tools{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.lib-search{flex:1 1 280px;height:48px;padding:0 16px;border-radius:12px;border:1px solid var(--color-stroke,#e5dff1);font:inherit;font-size:15px;background:#fff}
.lib-search:focus{outline:2px solid var(--color-brand-100,#8043f7);outline-offset:1px}
.lib-count{font-size:14px;font-weight:700;color:var(--color-text-title,#0d0a23)}
.lib-unit{display:flex;flex-direction:column;gap:12px}
.lib-unit__head{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 14px}
.lib-unit__h{margin:0;font-size:clamp(19px,1.8vw,22px);line-height:1.25;color:var(--color-text-title,#0d0a23)}
.lib-unit__meta{margin:0;font-size:13px;color:var(--color-text-caption,#6b6585)}
.lib-unit__ks{display:flex;flex-wrap:wrap;gap:6px;flex:1 1 100%}
.lib-unit__k{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;
 background:var(--color-brand-5,#f2ecfe);color:var(--color-brand-100,#8043f7);text-decoration:none}
.lib-unit__k span{font-size:12px;opacity:.75}
.lib-topics{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.lib-topic{display:flex;flex-direction:column;gap:10px;padding:16px;border-radius:var(--radius-md,16px);background:#fff;
 border:1px solid var(--color-stroke,#e5dff1);box-shadow:0 6px 18px rgba(53,23,145,.05)}
.lib-topic__t{margin:0;font-size:16px;line-height:1.3;font-weight:700;color:var(--color-text-title,#0d0a23)}
.lib-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto}
.lib-chip{display:inline-flex;align-items:center;height:28px;padding:0 10px;border-radius:8px;font-size:12.5px;font-weight:700;text-decoration:none;border:1px solid transparent}
.lib-chip--testy{background:#e8f1ff;color:#1d5fc7}.lib-chip--samostiini{background:#fff3e0;color:#b25e00}
.lib-chip--kontrolni-roboty{background:#ffeaf0;color:#b8274b}.lib-chip--konspekty{background:#e4f7f1;color:#0b7a5e}
.lib-chip--prezentatsii{background:#f1eaff;color:#6a2fe0}
.lib-chip:hover{border-color:currentColor}
.lib-empty{margin:0;font-weight:600}
.lib-pills{display:flex;flex-wrap:wrap;gap:10px}
.lib-pill{display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 16px;border-radius:12px;background:#fff;border:1px solid var(--color-stroke,#e5dff1);
 font-weight:700;color:var(--color-text-title,#0d0a23);text-decoration:none}
.lib-pill span{font-size:12px;color:var(--color-text-caption,#6b6585)}
.lib-pill:hover{border-color:var(--color-brand-100,#8043f7);color:var(--color-brand-100,#8043f7)}
/* компактная перелинковка внизу всех страниц */
.lib-links{padding:20px 22px;border-radius:var(--radius-md,16px);background:var(--color-bg-tint,#f6f2ff)}
.lib-links__title{margin:0 0 12px;font-weight:800;font-size:18px}
.lib-links__title a{color:var(--color-text-title,#0d0a23);text-decoration:none}
.lib-links__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.lib-links__h{margin:0 0 6px;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--color-brand-100,#8043f7)}
.lib-links ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.lib-links a{font-size:14px;color:var(--color-text-body,#3d3857)}
.lib-links a:hover{color:var(--color-brand-100,#8043f7)}
@media(max-width:900px){.lib-hero__in{grid-template-columns:1fr}.lib-layout{grid-template-columns:1fr}.lib-filters{position:static}
 .lib-filters .lib-f:not(:first-of-type){padding-top:8px}.lib-links__grid{grid-template-columns:1fr 1fr}}
@media(max-width:720px){.lib-stat{min-width:0;flex:1 1 30%}.lib-links__grid{grid-template-columns:1fr}}
@media print{.lib-filters,.lib-tools,.lib-links{display:none!important}.lib-layout{display:block}}
/* ── «Не знайшли потрібну тему?»: запрос материала → регистрация ── */
.mat-ico--brand{background:var(--color-brand-10,#ece2fe)}
/* карточка запроса в герое: главный элемент первого экрана */
.mat-ask--card{padding:24px;box-shadow:0 22px 56px rgba(53,23,145,.28)}
.mat-ask--card::after{width:200px;height:200px;right:-70px;top:-70px;border-width:22px}
.mat-ask--card .mat-ask__body{gap:10px}
.mat-ask__t{margin:0;font-size:clamp(21px,2vw,25px);line-height:1.2;font-weight:800;color:#fff}
.mat-ask--card .mat-ask__p{font-size:14.5px;line-height:1.45}
.mat-ask--card .mat-ask__form{flex-direction:column;gap:8px}
.mat-ask--card .mat-ask__input{flex:0 0 auto;width:100%}
.mat-ask--card .mat-ask__form .btn{width:100%;justify-content:center}
.mat-ask--card .mat-ask__note{font-size:12px}
.mat-hero--ask .mat-hero__in{grid-template-columns:minmax(0,1fr) 360px;align-items:start}
.lib-empty a{color:var(--color-brand-100,#8043f7)}
.mat-ask{position:relative;overflow:hidden;border-radius:var(--radius-lg,24px);padding:clamp(22px,3vw,36px);
 background:linear-gradient(135deg,var(--color-brand-120,#4a1fb8),var(--color-brand-100,#8043f7));color:#fff}
.mat-ask::after{content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;border:28px solid rgba(255,255,255,.12);pointer-events:none}
.mat-ask__body{position:relative;display:flex;flex-direction:column;gap:12px;max-width:640px}
.mat-ask__kicker,.mat-ask__sh{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.8)}
.mat-ask__sh{margin:10px 0 0}
.mat .mat-ask .h-sec,.mat .prose .mat-ask .h-sec{margin:0;color:#fff}
.mat-ask__p{margin:0;font-size:16px;line-height:1.5;color:rgba(255,255,255,.92)}
.mat-ask__form{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}
.mat-ask__input{flex:1 1 260px;min-width:0;height:50px;padding:0 16px;border-radius:12px;border:1px solid rgba(255,255,255,.4);
 font:inherit;font-size:15px;background:#fff;color:var(--color-text-title,#0d0a23)}
.mat-ask__input:focus{outline:3px solid #ffb200;outline-offset:1px}
.mat-ask__form .btn{height:50px;flex:none}
.mat-ask__note{margin:0;font-size:12.5px;line-height:1.45;color:rgba(255,255,255,.75)}
.mat-ask__chips{display:flex;flex-wrap:wrap;gap:8px}
.mat .mat-ask__chips a{display:inline-flex;align-items:center;height:32px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;
 background:rgba(255,255,255,.14);color:#fff;text-decoration:none;border:1px solid rgba(255,255,255,.25)}
.mat .mat-ask__chips a:hover{background:#fff;color:var(--color-brand-120,#4a1fb8)}
.mat-ask--compact{padding:clamp(20px,2.4vw,28px)}
.mat .mat-ask--compact .h-sec{font-size:clamp(20px,2vw,24px)}
/* ── «Що відкриває безкоштовний кабінет»: инструменты кабинета ── */
.mat-cab{display:flex;flex-direction:column;gap:18px;padding:clamp(20px,2.6vw,30px);border-radius:var(--radius-lg,24px);
 background:#fff;border:1px solid var(--color-brand-20,#e6d9fd);box-shadow:0 18px 48px rgba(53,23,145,.10)}
.mat .prose .mat-cab{margin:28px 0}
.mat-cab__head{display:flex;flex-direction:column;gap:6px}
.mat-cab__kicker{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--color-brand-100,#8043f7)}
.mat .mat-cab .h-sec,.mat .prose .mat-cab .h-sec{margin:0;font-size:clamp(22px,2.2vw,28px)}
.mat-cab__grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mat-cab__i{display:grid;grid-template-columns:44px 1fr;gap:12px;align-items:start;padding:14px;border-radius:var(--radius-md,16px);
 background:var(--color-bg-tint,#f6f2ff);color:inherit;text-decoration:none}
.mat a.mat-cab__i:hover{background:var(--color-brand-5,#f2ecfe);text-decoration:none}
.mat-cab__ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center}
.mat-cab__ico img{width:24px;height:24px;object-fit:contain}
.mat-cab__t{display:block;font-weight:800;font-size:16px;line-height:1.3;color:var(--color-text-title,#0d0a23)}
.mat-cab__d{display:block;margin-top:4px;font-size:14px;line-height:1.45;color:var(--color-text-body,#3d3857)}
.mat-cab__foot{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.mat-cab__note,.mat .prose .mat-cab__note{margin:0;font-size:13px;color:var(--color-text-caption,#6b6585)}
@media(max-width:720px){.mat-cab__grid{grid-template-columns:1fr}.mat-ask__form .btn{width:100%}}
@media print{.mat-ask,.mat-cab{display:none!important}}
@media(max-width:1320px){.mat .quiz__bar{bottom:69px}}
@media(max-width:900px){.mat-hero__in,.mat-hero--ask .mat-hero__in{grid-template-columns:1fr}.mat-hero__art{height:200px}.mat-steps__grid{grid-template-columns:1fr}}
@media(max-width:720px){.mat-hero__art{display:none}.mat-hero__in{padding:24px var(--gutter,16px) 28px}.mat-hero__cta .btn{width:100%}
 .mat .mat-sec>.mat-wrap>.grid-3{grid-template-columns:1fr}.mat-faq__a{padding-right:4px}
 .mat .quiz__bar{padding:8px 12px;gap:8px;flex-wrap:nowrap}.mat .quiz__progress{font-size:13px;white-space:nowrap}
 .mat .quiz__check{height:44px;padding:0 14px;font-size:var(--btn-font-size,14px)}}
@media print{
 .mat-hero__art,.mat-hero__cta,.mat-hero__note,.mat-facts,.mat-kicker,.mat .promo,.mat-steps,.mat-faq,#faq,#dlia-vchytelia,
 .mat .artEnd,.mat .quiz__bar,.mat .quiz__result,.modal,.rail,.crumbs,.mat-hero .sec-intro,
 .mat .mat-sec:not(.mat-sec--main){display:none!important}
 .mat .bleed{width:auto;margin-left:0}
 .mat-hero__in{padding:0 0 12px;max-width:840px}
 /* фон не печатается — фиолетовые карточки без рамки стали бы белым по белому */
 .mat .faq__card{background:none;border:1px solid var(--color-stroke,#e5dff1);padding:12px 14px}
 .mat .faq__card :is(h3,p,li,strong,a,em){color:#000}
 /* чистый лист: после «Перевірити відповіді» маркеры результата не печатаются */
 body:not(.print-key) .mat .qopt .qopt__mark{background:none;border-color:var(--color-stroke,#e5dff1);color:inherit}
 body:not(.print-key) .mat .qopt__ord{display:none}
 body:not(.print-key) .mat .qpick__b{background:none!important;border:1px solid var(--color-stroke,#e5dff1)!important;color:inherit!important}
 body:not(.print-key) .mat .qcard{border-color:var(--color-stroke,#e5dff1)}
 .mat-printhead{display:block;margin:0 0 16px;font-weight:600}
 .mat .qcard{break-inside:avoid;padding:10px 12px;margin:0 0 10px}
 .mat .qopt{background:none;border-color:var(--color-stroke,#e5dff1)}
 .mat .qcard details>*:not(summary){display:none}
 .mat .qcard details>summary{display:none}
 body.print-key .mat .qcard details>*{display:block}
 body.print-key .mat .qcard details>summary{display:block;font-weight:700}
 body.print-key .mat .qcard details{display:block!important}
}
.mat-sec--deck .h-sec{margin:0 0 16px}
.deck{display:flex;flex-direction:column;gap:14px;outline:none}
.deck:focus-visible .deck__stage{box-shadow:0 0 0 3px var(--color-brand-20,#e6d9fd),0 18px 48px rgba(53,23,145,.14)}
.deck__stage{position:relative;border-radius:var(--radius-md,16px);overflow:hidden;background:#16122b;box-shadow:0 18px 48px rgba(53,23,145,.14)}
.deck__track{display:flex;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;scrollbar-width:none;-webkit-overflow-scrolling:touch;
 overscroll-behavior-x:contain;aspect-ratio:16/9}
.deck__track::-webkit-scrollbar{display:none}
.deck__slide{flex:0 0 100%;min-width:0;scroll-snap-align:start;scroll-snap-stop:always;display:flex;align-items:center;justify-content:center}
.deck__slide img{display:block;width:100%;height:100%;object-fit:contain;margin:0;border-radius:0;max-width:none;background:#fff}
.deck__arrow,.deck__full{position:absolute;border:0;padding:0;margin:0;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
 border-radius:50%;background:rgba(255,255,255,.94);color:var(--color-text-title,#0d0a23);box-shadow:0 6px 18px rgba(13,10,35,.28);
 opacity:0;transition:opacity .2s,background .2s,color .2s}
.deck__arrow{top:50%;transform:translateY(-50%);width:46px;height:46px}
.deck__arrow--prev{left:14px}.deck__arrow--prev svg{transform:scaleX(-1)}
.deck__arrow--next{right:14px}
.deck__full{right:14px;top:14px;width:40px;height:40px}
.deck__stage:hover :is(.deck__arrow,.deck__full),.deck:focus-within :is(.deck__arrow,.deck__full),
.deck__arrow:focus-visible,.deck__full:focus-visible{opacity:1}
@media(hover:none){.deck__arrow,.deck__full{opacity:1}}
.deck__arrow:hover,.deck__full:hover{background:var(--color-brand-100,#8043f7);color:#fff}
.deck__arrow[disabled]{opacity:0!important;pointer-events:none}
.deck__bar{display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px}
.deck__count{margin:0;font-size:15px;font-weight:800;color:var(--color-text-title,#0d0a23);font-variant-numeric:tabular-nums}
.deck__count span{color:var(--color-text-caption,#6b6585);font-weight:600}
.deck__hint{margin:0;flex:1 1 auto;font-size:13px;color:var(--color-text-caption,#6b6585)}
.deck__bar .btn{height:44px;padding:0 18px;margin-left:auto}
.deck__thumbs{display:flex;gap:8px;overflow-x:auto;padding:4px 2px 8px;scroll-snap-type:x proximity;scrollbar-width:thin}
.deck__thumb{flex:0 0 112px;aspect-ratio:16/9;border-radius:8px;border:2px solid transparent;scroll-snap-align:center;
 background:var(--thumbs) 0 0/100% auto no-repeat #fff;outline:1px solid var(--color-stroke,#e5dff1);opacity:.72;transition:opacity .15s,border-color .15s}
.deck__thumb:hover{opacity:1}
.deck__thumb.is-cur{opacity:1;border-color:var(--color-brand-100,#8043f7);outline-color:transparent}
/* повний екран: Fullscreen API або запасний варіант .is-full (iPhone) */
.deck:fullscreen,.deck.is-full{position:fixed;inset:0;z-index:1200;margin:0;padding:16px;background:#0d0a23;justify-content:center;gap:12px;overflow:hidden}
.deck:fullscreen .deck__stage,.deck.is-full .deck__stage{flex:1 1 auto;min-height:0;border-radius:8px;box-shadow:none;background:#0d0a23;display:flex}
.deck:fullscreen .deck__track,.deck.is-full .deck__track{aspect-ratio:auto;height:100%;width:100%}
.deck:fullscreen .deck__slide img,.deck.is-full .deck__slide img{background:transparent}
.deck:fullscreen :is(.deck__count,.deck__hint),.deck.is-full :is(.deck__count,.deck__hint){color:#fff}
.deck:fullscreen .deck__count span,.deck.is-full .deck__count span{color:rgba(255,255,255,.6)}
.deck:fullscreen .deck__dl,.deck.is-full .deck__dl{display:none}
.deck:fullscreen .deck__thumb,.deck.is-full .deck__thumb{outline-color:transparent}
.deck:fullscreen :is(.deck__bar,.deck__thumbs),.deck.is-full :is(.deck__bar,.deck__thumbs){flex:none}
@media(max-width:720px){.deck__thumb{flex-basis:88px}.deck__arrow{width:40px;height:40px}.deck__bar .btn{width:auto}
 .deck:fullscreen,.deck.is-full{padding:10px}}
@media(prefers-reduced-motion:reduce){.deck__track,.deck__thumbs{scroll-behavior:auto}}