@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--bg:#0b080d;--panel:#160e15;--panel2:#1d121a;--wine:#8e143c;--hot:#e62e62;--soft:#ffcad8;--ink:#f9f2f5;--muted:#aa939f;--line:#3d2632;--green:#b8e8be;--font:'Manrope',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}
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form{display:inline;margin-left:10px}.danger-link{border:0;background:none;color:#f88996;font-size:11px;font-weight:800;padding:0}.muted{font-size:12px;color:#b39cab}.edit-layout{max-width:900px;padding:45px 0 90px}.edit-card{background:#1a1119;border:1px solid #553146;border-radius:20px;padding:38px}.edit-card h1{font-size:39px;letter-spacing:-1.5px;margin:10px 0}.form-buttons{display:flex;gap:10px;flex-wrap:wrap}.sr-only{position:absolute;height:1px;width:1px;clip:rect(0,0,0,0);overflow:hidden;white-space:nowrap}
@media(max-width:1020px){.links{gap:15px}.nav-inner{gap:20px}.hero-copy{padding-left:38px}.hero-copy h1{font-size:60px}.hero-v{right:50px;font-size:290px}.hero-note{right:10px}.route-grid{grid-template-columns:repeat(2,1fr)}.task-grid,.university-grid{grid-template-columns:repeat(2,1fr)}.docs-grid{grid-template-columns:1fr}}
@media(max-width:720px){.container{width:calc(100% - 30px)}.nav-inner{height:66px;gap:10px}.logo{font-size:17px}.logo-mark{height:33px;width:33px}.mobile-menu{display:block;margin-left:auto;background:none;color:#fff;border:1px solid #75405b;border-radius:7px;width:37px;height:36px}.links{display:none;position:absolute;top:65px;left:0;right:0;background:#160d14;border-bottom:1px solid #5c2f45;padding:18px;flex-direction:column;align-items:stretch;gap:18px}.links.open{display:flex}.nav-actions{display:none}.home-hero{display:block;margin-top:16px;min-height:0}.hero-copy{padding:42px 24px 28px}.hero-copy h1{font-size:clamp(43px,12vw,68px);letter-spacing:-3px}.hero-desc{font-size:12px}.hero-facts{margin-top:32px;gap:14px;flex-wrap:wrap}.hero-facts div{padding-left:10px}.hero-facts b{font-size:22px}.hero-visual{height:245px;min-height:245px}.orb{right:-100px;top:-140px;width:400px;height:400px}.hero-v{font-size:215px;top:-20px;right:30px}.hero-note{bottom:20px;right:17px;width:210px;padding:11px 14px}.hero-note strong{font-size:15px}.section{padding-top:64px}.section-heading{display:block}.section-heading h2{font-size:34px}.section-heading p{margin-top:14px}.route-grid,.task-grid,.university-grid,.recent-grid,.admin-layout{grid-template-columns:1fr}.route-card{min-height:250px}.statement{display:block;margin-top:65px;padding:30px 25px}.statement h2{font-size:30px}.statement-list{width:auto;margin-top:28px}.final-cta{margin:65px auto;padding:28px;display:block}.final-cta h2{font-size:26px;margin-bottom:22px}.foot{display:block}.foot>*{margin-bottom:22px}.foot-micro{text-align:left}.page-banner{padding:26px 23px 33px;margin-top:16px}.page-banner h1{font-size:36px;letter-spacing:-1.6px}.banner-stat,.dvi-watermark{display:none}.section.tighter{padding-top:37px}.filterbar{display:grid;grid-template-columns:1fr 1fr}.filterbar input{grid-column:1/-1;min-width:0}.filterbar .filterreset{text-align:center}.filterbar select{max-width:none;min-width:0;width:100%}.filterbar .button{min-width:0}.docs-grid{grid-template-columns:1fr}.doc-card{display:block}.doc-cover{min-height:95px;display:flex;flex-direction:row}.doc-symbol{font-size:62px}.doc-body{padding:22px}.task-page{padding-top:18px}.problem-shell{padding:25px 18px}.problem-text{font-size:17px;padding:19px}.answer-row{display:block}.answer-row input{width:100%;margin-bottom:10px}.answer-row button{width:100%}.login-box{padding:26px}.login-box h1{font-size:29px}.admin-head{align-items:start}.admin-head h1{font-size:32px}.admin-panel.wide{grid-column:auto}.admin-panel{padding:22px}.form-two{grid-template-columns:1fr}.edit-layout{padding:20px 0 65px}.edit-card{padding:24px}.edit-card h1{font-size:31px}.panel-title.row{display:block}.panel-title.row .button{margin-top:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* Local practice progress and favorite toggles */
.task-wrap{position:relative;min-width:0}.task-wrap .task-card{height:100%}.task-wrap .task-card .task-card-head{padding-right:33px}.fav-btn{position:absolute;right:16px;top:14px;width:30px;height:30px;border:1px solid #5b3447;border-radius:8px;background:#351b29;color:#e6b0c2;font-size:23px;display:grid;place-items:center;line-height:1;z-index:1}.fav-btn.is-fav,.task-fav.is-fav{background:#6d1a3b;color:#fff;border-color:#d44373}.task-fav{background:#2e1825;border:1px solid #603047;color:#e8b5c7;padding:6px 11px;border-radius:6px;font-size:10px;font-weight:800;cursor:pointer}.task-wrap.is-solved .task-card{border-color:#528960}.task-wrap.is-solved .num:after{content:' · ✓ решено';color:#9de4ac}.local-count{display:inline-block;padding-left:12px;color:#a9dfa9}.filterbar #favorites-filter[aria-pressed="true"]{background:#722141;color:#fff}.task-wrap[hidden]{display:none!important}

/* VARIANT / DVI 2.0 — dedicated archive and PDF reader */
.dvi-hero-new{position:relative;overflow:hidden;background:radial-gradient(circle at 89% 18%,#8f153e55,transparent 43%),linear-gradient(125deg,#23101d,#100b11)}
.dvi-hero-new .banner-layout{align-items:center}.dvi-hero-new .banner-layout>div:first-child{max-width:760px;position:relative;z-index:2}
.dvi-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:35px}.dvi-stats span{border:1px solid #6c3850;background:#ffffff07;border-radius:12px;padding:12px 16px;font-size:11px;color:#deb7c8}.dvi-stats strong{font-size:22px;color:#fff;margin-right:8px}
.dvi-symbol-block{width:250px;min-width:200px;min-height:210px;display:flex;flex-direction:column;justify-content:space-between;align-items:center;gap:12px;padding:19px;border:1px solid #7b304e;border-radius:20px;background:linear-gradient(150deg,#55142e70,#120a13aa);transform:rotate(5deg);color:#f1a1b9;box-shadow:0 30px 100px #0007}.dvi-symbol-block strong{font-weight:400;font-size:110px;line-height:.9;color:#ffcadb}.dvi-symbol-block span{font-size:10px;letter-spacing:3px;font-weight:800}
.dvi-year-strip{display:flex;gap:10px;flex-wrap:wrap;margin:27px 0 55px}.year-pill{display:flex;gap:12px;align-items:center;padding:12px 17px;border:1px solid #543046;border-radius:10px;background:#1c111a;color:#e1c5d0;font-weight:800;font-size:13px;transition:.2s}.year-pill b{display:grid;place-items:center;min-width:26px;height:26px;padding:3px 6px;border-radius:6px;background:#3a2030;color:#eab5c8;font-size:11px}.year-pill:hover,.year-pill.is-current{background:#842445;border-color:#ce4f77;color:#fff}
.dvi-library-head{display:flex;justify-content:space-between;gap:18px;align-items:end;margin-bottom:22px}.dvi-library-head h2{font-size:34px;letter-spacing:-1.6px;margin:7px 0 0}.dvi-search{display:flex;gap:8px}.dvi-search input{width:min(320px,36vw);min-width:170px;padding:13px 16px;border:1px solid #603347;border-radius:10px;background:#1c111b;color:white}.dvi-list{display:grid;gap:13px}.dvi-row{border:1px solid #4c2a3d;border-radius:17px;background:linear-gradient(115deg,#21131d,#160f17);padding:19px;display:flex;align-items:center;gap:21px;transition:border-color .2s}.dvi-row:hover{border-color:#a44a6a}.dvi-row-icon{width:102px;min-width:102px;height:113px;border-radius:13px;border:1px solid #813953;background:linear-gradient(135deg,#6b1537,#210e1b);display:flex;flex-direction:column;justify-content:space-between;padding:11px 14px;color:#fff}.dvi-row-icon strong{font-size:45px;font-weight:400;line-height:1}.dvi-row-icon span,.dvi-row-icon small{letter-spacing:1.2px;font-size:10px;font-weight:800}.dvi-row-icon small{align-self:flex-end;color:#d99db5}.dvi-row-main{min-width:0;flex:1}.dvi-tags{display:flex;flex-wrap:wrap;gap:7px}.dvi-tags span{color:#deadc0;border:1px solid #613148;padding:4px 8px;border-radius:6px;font-size:10px;font-weight:800}.dvi-tags .has-sol{color:#aee7be;border-color:#466d52}.dvi-tags .no-sol{color:#c8a9b6}.dvi-row h3{font-size:21px;letter-spacing:-.5px;line-height:1.35;margin:11px 0 6px}.dvi-row h3 a:hover{color:#ffb0c8}.dvi-row p{margin:0 0 7px;font-size:12px;color:#b89eae}.dvi-origin{font-size:11px;color:#9f8293}.dvi-row-actions{display:grid;gap:8px;min-width:155px}.dvi-row-actions .button{white-space:nowrap}.dvi-how{margin-top:60px;border:1px solid #6e2c46;border-radius:20px;background:linear-gradient(120deg,#3b1127,#1b1019);padding:33px;display:flex;justify-content:space-between;gap:20px}.dvi-how h3{font-size:25px;margin:10px 0 0}.dvi-how ol{display:grid;gap:10px;margin:0;color:#e3b9cc;font-size:12px;max-width:410px}
.dvi-detail-page{padding-top:31px;padding-bottom:80px}.dvi-detail-head{display:flex;gap:20px;justify-content:space-between;align-items:center;background:linear-gradient(110deg,#301222,#130d15);border:1px solid #72364d;border-radius:22px;padding:40px;margin-top:22px}.dvi-detail-head h1{font-size:clamp(28px,4vw,48px);letter-spacing:-1.8px;line-height:1.2;margin:13px 0}.dvi-detail-head p{max-width:690px;color:#cab0be;font-size:13px}.dvi-detail-mark{font-size:115px;line-height:1;color:#f6a0bb;opacity:.75}.dvi-detail-buttons{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}.dvi-reader-grid{display:grid;grid-template-columns:minmax(0,1fr) 275px;gap:20px}.dvi-reader-card,.dvi-reader-aside{background:#1b111a;border:1px solid #593047;border-radius:17px;padding:20px}.dvi-reader-heading{display:flex;justify-content:space-between;gap:9px;align-items:center;margin-bottom:15px}.dvi-reader-heading>span:last-child{font-size:10px;color:#a78e9b}.dvi-reader-card iframe{display:block;width:100%;height:660px;background:#eee;border:0;border-radius:8px}.dvi-reader-card p{font-size:11px;color:#ad91a3}.dvi-reader-aside{align-self:start;padding:27px}.dvi-reader-aside h3{font-size:26px;line-height:1.25}.dvi-reader-aside p{font-size:12px;color:#b99bad;line-height:1.8}.dvi-reader-aside .button{width:100%;margin-top:16px}.dvi-solution-pending{font-size:12px;color:#ddb4c7;border:1px dashed #71465c;border-radius:10px;padding:16px;margin-top:22px}.dvi-related{margin-top:55px}.dvi-related h2{font-size:30px}.dvi-related-list{display:grid;gap:9px}.dvi-related-list a{display:grid;grid-template-columns:130px 1fr 20px;gap:12px;align-items:center;padding:16px;border:1px solid #4b2b3c;border-radius:11px;font-size:12px}.dvi-related-list a:hover{border-color:#b34f75}.dvi-related-list span{color:#d1a3b7}.dvi-related-list b{font-size:13px}
@media(max-width:900px){.dvi-symbol-block{display:none}.dvi-row{align-items:flex-start}.dvi-row-actions{min-width:125px}.dvi-reader-grid{grid-template-columns:1fr}.dvi-reader-aside{max-width:none}}
@media(max-width:640px){.dvi-stats strong{font-size:17px}.dvi-year-strip{gap:7px;margin-bottom:34px}.year-pill{padding:9px 12px;font-size:11px}.dvi-library-head{display:block}.dvi-search{margin-top:17px}.dvi-search input{min-width:0;width:100%;flex:1}.dvi-row{display:grid;grid-template-columns:64px 1fr;gap:13px;padding:14px}.dvi-row-icon{width:64px;min-width:64px;height:84px;padding:9px}.dvi-row-icon strong{font-size:29px}.dvi-row-main h3{font-size:17px}.dvi-row-actions{grid-column:1/-1;display:flex;flex-wrap:wrap}.dvi-row-actions .button{flex:1}.dvi-how{display:block;padding:22px}.dvi-how ol{margin:19px 0 0;padding-left:19px}.dvi-detail-head{padding:25px}.dvi-detail-mark{display:none}.dvi-reader-card iframe{height:480px}.dvi-related-list a{grid-template-columns:90px 1fr 15px}}

/* VARIANT / OGE navigation 2027 — safe standalone styles */
.oge-toc{margin:0 0 30px;padding:28px;border-radius:22px;background:linear-gradient(140deg,#23101e,#130c13);border:1px solid #572a42;box-shadow:0 22px 70px #0003}
.oge-toc-heading h2{font-size:clamp(28px,3.4vw,39px);line-height:1.17;letter-spacing:-1.5px;margin:11px 0 7px}
.oge-toc-heading h2 em{color:#ffbbd0;font-style:normal}
.oge-toc-heading p{font-size:12px;color:#bda8b3;max-width:780px;margin:0 0 23px}
.oge-groups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px}
.oge-group{border:1px solid #563047;background:#1b121b;border-radius:14px;display:flex;flex-direction:column;align-items:flex-start;padding:17px;min-height:151px;transition:background .2s,border-color .2s,transform .2s}
.oge-group:hover{transform:translateY(-2px);border-color:#ca6485}.oge-group.is-active{background:linear-gradient(135deg,#70203d,#321323);border-color:#d04e78}
.oge-group-icon{font-size:21px;font-weight:800;color:#fa9db8;line-height:1}.oge-group b{font-size:15px;margin-top:13px;line-height:1.3}
.oge-group small{display:block;color:#bda1af;font-size:10px;line-height:1.5;margin-top:5px}.oge-group.is-active small{color:#f5cbda}
.oge-group-nums{margin-top:auto;padding-top:10px;font-size:10px;color:#e68eaf;font-weight:800}.oge-group.is-active .oge-group-nums{color:#fff}
.oge-subtitle{margin-top:32px;margin-bottom:12px;display:flex;justify-content:space-between;gap:13px;align-items:end}
.oge-subtitle h3{font-size:24px;margin:5px 0 0;letter-spacing:-.8px}.oge-subtitle h3 span{font-size:13px;color:#d993ab}
.oge-clear{font-size:10px;color:#d99db8}.oge-numbers{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}
.oge-number{border:1px solid #533145;border-radius:10px;background:#160f17;padding:12px;min-height:79px;display:flex;align-items:center;gap:12px;transition:border-color .2s,background .2s}
.oge-number:hover,.oge-number.is-active{background:#54203a;border-color:#cc5077}
.oge-number-id{color:#fff;font-size:26px;font-weight:800;line-height:1;letter-spacing:-1px}.oge-number-name{font-size:10px;color:#c9adbb;line-height:1.4}
@media(max-width:950px){.oge-groups{grid-template-columns:repeat(2,minmax(0,1fr))}.oge-numbers{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:580px){.oge-toc{padding:17px}.oge-groups{grid-template-columns:1fr 1fr;gap:8px}.oge-group{padding:13px;min-height:140px}.oge-group b{font-size:12px}.oge-group small{font-size:9px}.oge-number{padding:9px;display:block;min-height:78px}.oge-numbers{grid-template-columns:repeat(3,minmax(0,1fr))}.oge-number-id{font-size:23px;display:block}.oge-number-name{font-size:9px;display:block;margin-top:3px}.oge-subtitle h3{font-size:20px}}


/* VARIANT / Next-task flow; lightweight and mobile-friendly */
.answer-continue{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-top:23px;padding-top:18px;border-top:1px solid #593045}
.answer-continue strong{display:block;font-size:15px;color:#fff}
.answer-continue small{display:block;font-size:11px;color:#bb9fae;line-height:1.5;margin-top:4px}
.answer-continue .continue-button{flex-shrink:0;text-align:center}
.task-progress-note{color:#c9a4b6;font-size:11px;margin:23px 0 0}
.problem-bottom-nav{display:flex;justify-content:space-between;align-items:center;gap:15px;border-top:1px solid #4b2a3c;margin-top:13px}
.problem-bottom-actions{display:flex;gap:9px;flex-wrap:wrap}
.problem-bottom-actions .button{padding:10px 14px;font-size:11px}
@media(max-width:650px){.answer-continue{align-items:stretch;flex-direction:column}.answer-continue .continue-button{width:100%}.problem-bottom-nav{align-items:stretch;flex-direction:column}.problem-bottom-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.problem-bottom-actions:has(> :only-child){grid-template-columns:1fr}.problem-bottom-actions .button{text-align:center}}

/* VARIANT OGE 2027 collection */
.oge-variant-banner{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:24px 27px;background:#21141d;border:1px solid #63304a;border-radius:18px;margin-bottom:30px}
.oge-variant-banner strong{font-size:20px;color:#f5eaf0}
.oge-variant-banner p{margin:8px 0 0;font-size:13px;line-height:1.65;color:#d1bec8}
.oge-variant-banner a{flex-shrink:0;text-align:center}
.oge-book-figure{border:1px solid #664052;background:#f9f7f8;border-radius:16px;margin:22px 0;padding:22px;color:#23151c;line-height:1.75}
.oge-book-figure h2{font-size:19px;color:#41162c;margin:0 0 13px}
.oge-book-figure p{font-size:14px;line-height:1.7;margin:0 0 19px;white-space:normal;color:#271e26}
.oge-book-figure img{display:block;width:100%;max-width:740px;height:auto;max-height:390px;object-fit:contain;margin:8px auto;border-radius:7px}
.oge-book-figure small{color:#6d5964;font-size:12px}
@media(max-width:650px){.oge-variant-banner{flex-direction:column;align-items:stretch;padding:18px}.oge-variant-banner a{width:100%}.oge-book-figure{padding:14px}}

/* VARIANT_OGE_TOPICS_V1 */
.oge-topic-hub{margin:0 0 30px;padding:25px 25px 28px;border:1px solid #e1cbd6;border-radius:18px;background:linear-gradient(130deg,#fff,#fcf8fa)}
.oge-topic-head h2{margin:7px 0;font-size:clamp(24px,3vw,33px);color:#301520}
.oge-topic-head p{margin:0 0 20px;line-height:1.6;font-size:14px;color:#695b64;max-width:780px}
.oge-topic-tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(185px,1fr));gap:11px}
.oge-topic-tile{min-height:112px;display:flex;flex-direction:column;align-items:flex-start;padding:15px 17px;border:1px solid #e7dce1;border-radius:14px;background:#fff;color:#291d24;text-decoration:none;transition:transform .15s ease,border-color .15s ease}
.oge-topic-tile:hover{border-color:#8d3555;transform:translateY(-2px)}
.oge-topic-sign{font-size:17px;font-weight:700;color:#852b4d;min-height:28px}
.oge-topic-tile span:nth-child(2){font-size:14px;font-weight:700;line-height:1.25}
.oge-topic-tile b{font-size:11px;font-weight:650;color:#852b4d;margin-top:auto;padding-top:9px}
@media(max-width:640px){.oge-topic-hub{padding:18px 14px}.oge-topic-tiles{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.oge-topic-tile{padding:12px;min-height:105px}.oge-topic-tile span:nth-child(2){font-size:12px}}
/* VARIANT — оформление тематических тренировок ОГЭ */

.oge-topics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin: 24px 0 36px;
}

.oge-topic {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 18px;
    min-width: 0;
    padding: 24px;
    background: #201019;
    border: 1px solid #5b263c;
    border-radius: 16px;
    color: #ffffff;
    text-decoration: none;
    transition: 0.2s ease;
}

.oge-topic:hover {
    background: #301622;
    border-color: #b75b7c;
    transform: translateY(-3px);
}

.oge-topic-name {
    display: block;
    font-size: 19px;
    font-weight: 700;
    line-height: 1.4;
    overflow-wrap: anywhere;
}

.oge-topic-go {
    display: block;
    color: #e89ab5;
    font-size: 14px;
    font-weight: 600;
}

@media (max-width: 950px) {
    .oge-topics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {
    .oge-topics {
        grid-template-columns: 1fr;
    }
}

/* VARIANT OGE topic cards V2: burgundy + anchor scroll */
.oge-topic-hub {
    background: linear-gradient(135deg, #2b1422 0%, #190f19 58%, #301727 100%);
    border: 1px solid #69324b;
    box-shadow: 0 15px 42px rgba(9, 4, 10, .18);
}
.oge-topic-head h2 { color: #fff4f8; }
.oge-topic-head h2 em { color: #f2a6bf; }
.oge-topic-head p { color: #d2b7c5; }
.oge-topic-tiles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(205px, 1fr));
    gap: 13px;
}
.oge-topic-tile {
    min-height: 126px;
    padding: 19px 20px;
    border: 1px solid #75405a;
    border-radius: 14px;
    background: linear-gradient(150deg, #3d1c2f 0%, #25141f 100%);
    color: #fff4f8;
    box-shadow: 0 5px 18px rgba(8, 4, 9, .13);
    transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.oge-topic-tile:hover,
.oge-topic-tile:focus-visible {
    transform: translateY(-3px);
    border-color: #d67a9c;
    background: linear-gradient(150deg, #502239 0%, #341928 100%);
}
.oge-topic-tile .oge-topic-sign { color: #f4adc5; }
.oge-topic-tile span:nth-child(2) {
    color: #fff4f8;
    font-size: 15px;
    font-weight: 750;
    line-height: 1.35;
}
.oge-topic-tile b { color: #f5abc6; font-size: 12px; }
#practice-tasks { scroll-margin-top: 108px; }
@media (max-width: 600px) {
    .oge-topic-hub { padding: 20px 16px; }
    .oge-topic-tiles { grid-template-columns: 1fr; gap: 10px; }
    .oge-topic-tile { min-height: 105px; padding: 16px 17px; }
}

/* VARIANT_OGE_PRACTICE_ONLY_V1 */
.oge-topic-tile-all {
  border-color: #9b4c6c;
  background: linear-gradient(145deg, #56233d, #291622);
}
.oge-topic-tile-all:hover,
.oge-topic-tile-all:focus-visible {
  border-color: #e69cb8;
  background: linear-gradient(145deg, #67304a, #392032);
}
#practice-tasks { scroll-margin-top: 110px; }