:root{--bumaga: #f4f1ea;--bumaga-tmn: #e9e4d8;--chernila: #14110f;--seryy: #6f665c;--linia: #14110f;--oranzh: #f25c05;--oranzh-tmn: #c44803;--siniy: #1b4db1;--roza: #c8306b;--zelen: #2f7a4f;--krasnyy: #c4331d;--ten: 4px 4px 0 var(--chernila);--ten-mal: 3px 3px 0 var(--chernila);--ten-cvet: 4px 4px 0 var(--oranzh);--displey: "Unbounded", system-ui, sans-serif;--tekst: "Literata", Georgia, serif;--r: 2px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;overscroll-behavior-y:none;background-color:var(--bumaga);background-image:radial-gradient(circle at 1px 1px,rgba(20,17,15,.045) 1px,transparent 0);background-size:4px 4px;color:var(--chernila);font-family:var(--tekst);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}h1,h2,h3,.displey{font-family:var(--displey);font-weight:800;letter-spacing:-.02em}h1{font-size:clamp(28px,5vw,46px);line-height:1.02;margin:0 0 8px}h2{font-size:clamp(20px,3vw,27px);line-height:1.1;margin:0 0 10px}h3{font-size:18px;margin:0 0 6px;font-weight:600}button{font:inherit;color:inherit;cursor:pointer}a{color:inherit}.obolochka{max-width:1080px;margin:0 auto;padding:14px 13px 92px}@media(min-width:700px){.obolochka{padding:22px 20px 96px}}.shapka{display:flex;align-items:center;gap:14px;border-bottom:3px solid var(--linia);padding-bottom:12px;margin-bottom:22px}.shapka .logo{font-family:var(--displey);font-weight:900;font-size:19px;letter-spacing:-.04em;text-transform:uppercase;text-decoration:none}.shapka .logo em{color:var(--oranzh);font-style:normal}.shapka .rastyanut{flex:1}.plashka{background:var(--bumaga);border:2.5px solid var(--linia);border-radius:var(--r);box-shadow:var(--ten);padding:18px}.plashka.akcent{box-shadow:var(--ten-cvet)}.plashka.plotno{padding:13px 15px}.setka{display:grid;gap:16px}.setka.dva{grid-template-columns:1fr}@media(min-width:620px){.setka.dva{grid-template-columns:1fr 1fr}}.setka.tri{grid-template-columns:1fr 1fr}@media(min-width:620px){.setka.tri{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}}.knopka{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--displey);font-weight:600;font-size:15px;padding:13px 18px;min-height:46px;background:var(--bumaga);border:2.5px solid var(--linia);border-radius:var(--r);box-shadow:var(--ten-mal);transition:transform .09s ease,box-shadow .09s ease,background .15s ease}.knopka:hover{transform:translate(-1px,-1px);box-shadow:5px 5px 0 var(--chernila)}.knopka:active{transform:translate(3px,3px);box-shadow:0 0 0 var(--chernila)}.knopka.glavnaya{background:var(--oranzh);color:#fff;border-color:var(--chernila)}.knopka.tiho{box-shadow:none;border-width:2px}.knopka[disabled]{opacity:.4;pointer-events:none}.knopka.shirokaya{width:100%}.knopka.krupnaya{font-size:17px;padding:15px 26px}.chislo{font-family:var(--displey);font-weight:900;font-variant-numeric:tabular-nums;line-height:.88;letter-spacing:-.05em}.chislo.ogromnoe{font-size:clamp(52px,11vw,92px)}.chislo.krupnoe{font-size:40px}.podpis{font-family:var(--displey);font-weight:600;font-size:10.5px;text-transform:uppercase;letter-spacing:.13em;color:var(--seryy)}.polosa-ryad{display:grid;gap:11px}.polosa-stroka{display:grid;grid-template-columns:92px 1fr 40px;gap:9px;align-items:center}@media(min-width:620px){.polosa-stroka{grid-template-columns:118px 1fr 46px;gap:11px}}.polosa{height:15px;border:2px solid var(--linia);border-radius:var(--r);background:var(--bumaga-tmn);overflow:hidden}.polosa i{display:block;height:100%;background:var(--oranzh);transition:width .7s cubic-bezier(.2,.8,.2,1)}.polosa i.gotovo{background:var(--zelen)}.polosa i.plocho{background:var(--krasnyy)}.krugi{display:flex;gap:7px}.krug{width:20px;height:20px;border:2.5px solid var(--linia);border-radius:50%;background:var(--bumaga);transition:background .3s ease,transform .3s ease}.krug.zakryt{background:var(--oranzh);transform:scale(1.12)}.karta-scena{perspective:1400px}.karta{position:relative;width:100%;min-height:min(58dvh,430px);transform-style:preserve-3d;transition:transform .5s cubic-bezier(.3,.9,.3,1)}.karta.perevernuta{transform:rotateY(180deg)}.karta>.storona{position:absolute;top:0;right:0;bottom:0;left:0;backface-visibility:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:22px;text-align:center;background:var(--bumaga);border:3px solid var(--linia);border-radius:var(--r);box-shadow:var(--ten)}.karta>.zad{transform:rotateY(180deg)}.karta img{width:min(200px,44vw);height:min(200px,44vw);object-fit:contain;border:2.5px solid var(--linia);border-radius:var(--r);background:#fff}.slovo-nl{font-family:var(--displey);font-weight:800;font-size:clamp(30px,7vw,46px);letter-spacing:-.03em;line-height:1.05}.slovo-nl .artikl{color:var(--oranzh)}.vygovor{font-family:var(--displey);font-size:15px;color:var(--seryy)}.perevod{font-size:25px;font-weight:600}.primer{font-style:italic;color:var(--seryy);max-width:40ch}.metka{display:inline-block;font-family:var(--displey);font-weight:600;font-size:10px;text-transform:uppercase;letter-spacing:.1em;padding:3px 9px;border:2px solid var(--linia);border-radius:999px}.metka.novoe{background:var(--oranzh);color:#fff}.tekst-zadaniya{background:var(--bumaga-tmn);border-left:5px solid var(--oranzh);padding:13px 14px;margin-bottom:14px;white-space:pre-wrap;font-size:16px;max-height:46dvh;overflow:auto;overscroll-behavior:contain}.variant{display:flex;gap:11px;align-items:flex-start;width:100%;text-align:left;min-height:50px;background:var(--bumaga);border:2.5px solid var(--linia);border-radius:var(--r);padding:13px 15px;margin-bottom:9px;box-shadow:var(--ten-mal);transition:transform .09s ease,box-shadow .09s ease}.variant:hover:not([disabled]){transform:translate(-1px,-1px);box-shadow:5px 5px 0 var(--chernila)}.variant .bukva{flex:none;width:27px;height:27px;display:grid;place-items:center;border:2.5px solid var(--linia);border-radius:50%;font-family:var(--displey);font-weight:700;font-size:13px}.variant.verno{background:var(--zelen);color:#fff;border-color:var(--chernila)}.variant.verno .bukva{border-color:#fff}.variant.neverno{background:var(--krasnyy);color:#fff;border-color:var(--chernila)}.variant.neverno .bukva{border-color:#fff}.razbor{border:2.5px dashed var(--linia);border-radius:var(--r);padding:13px 15px;margin-top:12px;background:var(--bumaga-tmn)}.kriterii{display:grid;gap:7px;margin:14px 0}.kriteriy{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;border-bottom:1.5px dotted var(--seryy);padding-bottom:5px}.kriteriy b{font-family:var(--displey);font-variant-numeric:tabular-nums}.pravka{border-left:4px solid var(--krasnyy);padding:8px 12px;margin:8px 0;background:var(--bumaga-tmn)}.pravka s{color:var(--krasnyy);text-decoration-thickness:2px}.pravka em{color:var(--zelen);font-style:normal;font-weight:700}textarea.pole{width:100%;min-height:220px;padding:15px;font-family:var(--tekst);font-size:17px;line-height:1.6;background:repeating-linear-gradient(var(--bumaga) 0 30px,var(--bumaga-tmn) 30px 31px);border:2.5px solid var(--linia);border-radius:var(--r);resize:vertical}textarea.pole:focus{outline:3px solid var(--oranzh);outline-offset:2px}.vybor{min-height:100dvh;display:grid;place-items:center;padding:24px}.vybor-karty{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:22px}.uchenik-karta{display:grid;place-items:center;gap:10px;padding:34px 22px;background:var(--bumaga);border:3px solid var(--linia);border-radius:var(--r);box-shadow:var(--ten);transition:transform .12s ease,box-shadow .12s ease}.uchenik-karta:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--chernila)}.uchenik-karta .initsial{width:74px;height:74px;display:grid;place-items:center;border-radius:50%;border:3px solid var(--linia);color:#fff;font-family:var(--displey);font-weight:900;font-size:32px}.nizhnyaya{position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;justify-content:flex-start;gap:4px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;padding:7px 10px calc(7px + env(safe-area-inset-bottom));background:var(--bumaga);border-top:3px solid var(--linia)}.nizhnyaya::-webkit-scrollbar{display:none}.nizhnyaya a{flex:none;scroll-snap-align:start;font-family:var(--displey);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;text-decoration:none;padding:9px 11px;border:2px solid transparent;border-radius:var(--r)}@media(min-width:760px){.nizhnyaya{justify-content:center;overflow-x:visible}}.nizhnyaya a.tekushchaya{border-color:var(--linia);background:var(--oranzh);color:#fff}@keyframes vsplyt{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}.vsplyt{animation:vsplyt .5s cubic-bezier(.2,.8,.2,1) both}.z1{animation-delay:.05s}.z2{animation-delay:.11s}.z3{animation-delay:.17s}.z4{animation-delay:.23s}.z5{animation-delay:.29s}@keyframes shtamp{0%{transform:scale(.6) rotate(-12deg);opacity:0}60%{transform:scale(1.12) rotate(3deg);opacity:1}to{transform:scale(1) rotate(-2deg);opacity:1}}.shtamp{animation:shtamp .4s cubic-bezier(.2,1.2,.3,1) both}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}.ryad{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.mezhdu{display:flex;align-items:center;justify-content:space-between;gap:10px}.seryy{color:var(--seryy)}.melko{font-size:14px}.centr{text-align:center}.mezhdu{flex-wrap:wrap}@media(max-width:560px){.plashka>.mezhdu>.podpis{width:100%;order:2}}.mezhdu>.ryad{min-width:0;flex:1 1 auto}.mezhdu>.chislo{flex:none}.primer{line-height:1.4}.primer>span{display:block;margin-top:4px;font-size:15px}.razdely{display:grid;grid-template-columns:1fr 1fr;gap:10px}@media(min-width:620px){.razdely{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}}.razdely .plashka{padding:11px 12px}.razdely b{font-size:15px;line-height:1.15}.pole-stroka{width:100%;padding:12px 14px;margin-top:5px;font-family:var(--tekst);font-size:17px;background:var(--bumaga);color:var(--chernila);border:2.5px solid var(--linia);border-radius:var(--r)}.pole-stroka:focus{outline:3px solid var(--oranzh);outline-offset:2px}