:root{--bg:#070a12;--panel:#111726;--panel2:#171f31;--text:#fff;--muted:#ffffffbd;--border:#2a3244;--primary:#2f6dff;--danger:#ef4444;--ok:#22c55e;--bad:#ef4444;--shadow:none;--radius:4px;--pageMax:100%}*{box-sizing:border-box}button,input{color:inherit;font-family:inherit}html,body{background:var(--bg);color:var(--text);min-height:100%;margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial}body{flex-direction:column;min-height:100svh;display:flex}.lucide{stroke-width:2.2px;width:18px;height:18px}.navbar{z-index:10;border-bottom:1px solid var(--border);background:var(--bg);position:sticky;top:0}.navbarInner{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"brand actions";align-items:center;gap:12px;width:100%;max-width:none;margin:0;padding:12px 14px;display:grid}.brand{grid-area:brand;align-items:center;gap:10px;min-width:0;display:flex}.textLogo{white-space:nowrap;letter-spacing:-.06em;transform-origin:0;-webkit-user-select:none;user-select:none;align-items:baseline;gap:10px;font-weight:1000;line-height:1;display:inline-flex;transform:skew(-10deg)}.textLogoRoad,.textLogoTest{text-transform:uppercase;font-size:clamp(1.8rem,1.4vw + 1.15rem,2.65rem);display:inline-block}.textLogoRoad{color:#1e88ff}.textLogoTest{color:#fff}.textLogoAuth{font-size:1.04em}.textLogoAdmin{margin-bottom:2px;font-size:.86em}.title{white-space:nowrap;text-overflow:ellipsis;font-weight:700;overflow:hidden}.actions{grid-area:actions;justify-content:flex-end;justify-self:end;align-items:center;display:flex}.actionRow{align-items:center;gap:8px;width:100%;min-width:0;display:flex}.navRight{grid-area:actions;justify-content:flex-end;align-items:center;display:flex}.iconBtn{border-radius:var(--radius);border:1px solid var(--border);background:var(--panel);width:40px;height:40px;color:var(--text);place-items:center;display:inline-grid}.iconBtn:active{transform:translateY(1px)}.iconBtn svg{color:var(--muted)}.profileChip{border-radius:var(--radius);border:1px solid var(--border);background:var(--panel);white-space:nowrap;align-items:center;gap:10px;min-width:0;height:40px;padding:0 14px;font-weight:800;display:inline-flex}.headerActionBtn{min-width:0;height:40px;padding-top:0;padding-bottom:0}.actionRow>.profileChip{justify-content:center}.badgePro{border-radius:var(--radius);border:1px solid color-mix(in srgb, var(--ok) 45%, var(--border));background:color-mix(in srgb, var(--ok) 18%, var(--panel));color:var(--text);align-items:center;gap:6px;padding:6px 10px;font-size:12px;font-weight:900;display:inline-flex}.brand{justify-self:start}.avatarCircle{letter-spacing:.5px;background:color-mix(in srgb, var(--primary) 18%, var(--panel2));border:1px solid color-mix(in srgb, var(--primary) 40%, var(--border));width:28px;height:28px;color:var(--text);border-radius:999px;place-items:center;font-weight:1000;display:grid}@media (max-width:520px){.navbarInner{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"brand actions"}.actions{flex-direction:column;align-items:flex-end;gap:6px}.actionRow{gap:6px}.iconBtn{border-radius:var(--radius);width:34px;height:34px;box-shadow:none}.btn{border-radius:var(--radius);padding:9px 10px}.textLogo{gap:6px;transform:skew(-8deg)}.textLogoRoad,.textLogoTest{font-size:clamp(1.35rem,4vw,1.8rem)}}.container{background:0 0;width:100%;max-width:none;margin:0 auto;padding:16px 16px 24px}@media (min-width:640px){.container{padding:22px 24px 30px}}@media (min-width:1024px){.container{padding:26px 22px 36px}}.h2{margin:8px 0 12px;font-size:18px}.muted{color:var(--muted);font-size:13px}.homeHero{padding:16px}.homeTitle{font-size:18px;font-weight:1000}.homeMenu{gap:12px;margin-top:14px;display:grid}.homeSoonBlock{margin-top:18px}.homeMenuSoon{opacity:.98}.answersHero{justify-content:space-between;align-items:center;gap:14px;padding:16px;display:flex}.answersHeroLeft{align-items:center;gap:14px;min-width:0;display:flex}.answersHeroIcon{background:color-mix(in srgb, var(--primary) 14%, var(--panel));border:1px solid color-mix(in srgb, var(--primary) 28%, var(--border));border-radius:14px;flex:none;place-items:center;width:44px;height:44px;display:grid}.answersHeroIcon .lucide{width:22px;height:22px}.answersTitle{font-size:20px;font-weight:1000;line-height:1.2}.answersHeroMeta{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:flex}.mistakesHeader{align-items:flex-start}.mistakesHeaderMeta{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:flex}.topicHeaderActions{flex:none;align-items:center;gap:10px;display:flex}.mistakesTabs{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:12px 0 14px;display:grid}.mistakesTab{border-radius:var(--radius);border:1px solid var(--border);background:var(--panel);color:var(--text);text-align:left;justify-content:space-between;align-items:center;gap:8px;padding:12px 14px;font-weight:900;display:inline-flex}.mistakesTab.active{border-color:color-mix(in srgb, var(--primary) 55%, var(--border));background:color-mix(in srgb, var(--primary) 12%, var(--panel))}.mistakesTab .badge{flex:none}.examModeGrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:14px;display:grid}.examModeCard{text-align:left;cursor:pointer;gap:10px;width:100%;padding:16px;display:grid}.examModeCard.active{border-color:color-mix(in srgb, var(--primary) 55%, var(--border));background:color-mix(in srgb, var(--primary) 12%, var(--panel))}.examModeTop,.examStartMeta,.examResultBanner{justify-content:space-between;align-items:center;gap:12px;display:flex}.examModeTitle{font-size:18px;font-weight:1000}.examStartCard{margin-top:12px;padding:16px}.examTimerChip{border-radius:var(--radius);border:1px solid color-mix(in srgb, var(--primary) 35%, var(--border));background:color-mix(in srgb, var(--primary) 14%, var(--panel));align-items:center;gap:8px;padding:10px 12px;font-weight:900;display:inline-flex}.examResultBanner{margin-top:12px;padding:16px}.examQuestionMeta{color:var(--muted);letter-spacing:.04em;text-transform:uppercase;font-size:12px;font-weight:900}.examQuestionSource{color:color-mix(in srgb, var(--text) 85%, var(--muted));margin-top:4px;font-size:14px;font-weight:900}.answersFilters{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:14px;display:grid}.answersFilter{border-radius:var(--radius);border:1px solid var(--border);background:var(--panel);color:var(--text);cursor:pointer;justify-content:space-between;align-items:center;gap:10px;padding:14px;font-weight:900;display:inline-flex}.answersFilter .lucide{width:18px;height:18px}.answersFilter.active{border-color:color-mix(in srgb, var(--primary) 55%, var(--border));background:color-mix(in srgb, var(--primary) 12%, var(--panel))}.answersGrid{gap:14px;margin-top:14px;display:grid}.answersCard{gap:14px;padding:14px;display:grid}.answersCardHead{gap:10px;display:grid}.answersCardTitle{flex-wrap:wrap;align-items:center;gap:10px;font-size:18px;font-weight:1000;display:flex}.answersCardMeta{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.answersQuestions{gap:12px;display:grid}.answersQuestion{border:1px solid var(--border);border-radius:var(--radius);background:var(--panel2);gap:12px;padding:14px;display:grid}.answersQuestionTop{gap:8px;display:grid}.answersQuestionKey{color:var(--muted);letter-spacing:.04em;text-transform:uppercase;font-size:12px;font-weight:900}.answersQuestionText{font-size:15px;font-weight:900;line-height:1.45}.answersQuestionImageWrap{border:1px solid var(--border);background:#000;border-radius:12px;overflow:hidden}.answersQuestionImage{object-fit:contain;width:100%;height:auto;display:block}.answersOptions{padding:0}.answersSearchRow{gap:10px;display:grid}.answersSearchWrap{padding-right:64px;position:relative}.answersSearchInput{font-size:14px}.answersSearchInput::placeholder{color:var(--textSoft);font-size:13px}.answersFilterSelect{position:absolute;top:50%;right:8px;transform:translateY(-50%)}.answersFilterToggle{border:1px solid var(--border);background:var(--panel2);width:44px;height:44px;color:var(--text);cursor:pointer;box-shadow:none;border-radius:14px;justify-content:center;align-items:center;gap:2px;display:inline-flex}.answersFilterToggle.open{border-color:color-mix(in srgb, var(--primary) 40%, var(--border));background:color-mix(in srgb, var(--primary) 10%, var(--panel2))}.answersFilterChevron{opacity:.8;width:14px;height:14px}.answersFilterDropdown{border:1px solid var(--border);background:var(--panel2);z-index:20;border-radius:18px;gap:8px;min-width:200px;padding:10px;display:grid;position:absolute;top:calc(100% + 10px);right:0;box-shadow:0 24px 64px #00000047}.answersFilterOption{border:1px solid var(--border);background:var(--panel);width:100%;color:var(--text);cursor:pointer;border-radius:16px;align-items:center;gap:8px;padding:10px 12px;font-size:13px;font-weight:800;display:flex}.answersFilterOption.active{background:color-mix(in srgb, var(--primary) 14%, var(--panel2));border-color:color-mix(in srgb, var(--primary) 40%, var(--border));color:var(--primary)}.answersQuickFilters{flex-wrap:wrap;gap:10px;display:flex}.answersQuickFilter{border:1px solid var(--border);background:var(--panel);color:var(--muted);cursor:pointer;border-radius:16px;align-items:center;gap:8px;padding:10px 14px;font-size:13px;font-weight:900;display:inline-flex}.answersQuickFilter.active{border-color:color-mix(in srgb, var(--primary) 45%, var(--border));background:color-mix(in srgb, var(--primary) 15%, var(--panel2));color:var(--primary)}.answersQuestionGrid{grid-template-columns:minmax(0,1fr);gap:12px;margin-top:14px;display:grid}.mistakesQuestionGrid{margin-top:14px}@media (min-width:760px){.answersQuestionGrid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width:1180px){.answersQuestionGrid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (min-width:1500px){.answersQuestionGrid{grid-template-columns:repeat(4,minmax(0,1fr))}}.answersQuestionCard{border-color:var(--border);align-content:start;gap:6px;min-width:0;padding:10px;display:grid;position:relative}.answersQuestionCard:hover{background:var(--panel2);border-color:color-mix(in srgb, var(--primary) 34%, var(--border))}.answersQuestionCardHead{justify-content:space-between;align-items:center;gap:10px;min-width:0;display:flex}.answersQuestionCardTitle{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-size:9px;font-weight:1000;line-height:1}.answersQuestionCardMeta{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.answersQuestionTextBig{white-space:pre-line;font-size:11px;font-weight:900;line-height:1.18}.answersQuestionImageWrap{border:1px solid var(--border);border-radius:var(--radius);background:#111318;max-height:150px;overflow:hidden}.answersQuestionImage{object-fit:contain;object-position:center;width:100%;max-height:150px;display:block}.answersOptions{gap:4px;padding:0;display:grid}.answersQuestionCard .option{background:var(--panel)}.answersQuestionCard .option.correct{border-color:color-mix(in srgb, var(--ok) 55%, var(--border));background:color-mix(in srgb, var(--ok) 22%, var(--panel2))}.answersQuestionCard .option.wrong{border-color:color-mix(in srgb, var(--bad) 55%, var(--border));background:color-mix(in srgb, var(--bad) 16%, var(--panel2))}.answersAnswer{border-top:1px solid var(--border);justify-content:space-between;align-items:center;gap:10px;padding-top:6px;display:flex}.answersAnswer strong{text-align:right;font-size:10px;font-weight:1000}.answersExplanation{border-top:1px solid var(--border);color:var(--text);white-space:pre-line;padding-top:6px;font-size:10px;font-weight:650;line-height:1.34}.answersEmpty{text-align:center;place-items:center;padding:24px;display:grid}.answersSearch{gap:12px;margin-top:14px;padding:14px;display:grid}.answersQuestionCard .badge{flex:none}.answersQuestionCard .muted{font-size:9px}.answersQuestionCard .optionText{font-size:10px;line-height:1.18}.answersQuestionCard .optionKey{flex-basis:28px;font-size:10px}.answersQuestionCard .option{box-shadow:none}.answersQuestionCard .option+.option,.answersQuestionCard .answersAnswer,.answersQuestionCard .answersExplanation{margin-top:0}.answersQuestionCard .option{min-height:34px}.answersQuestionCard .answersExplanation{padding-top:6px;font-size:10px;line-height:1.34}.answersQuestionCard .answersAnswer{padding-top:6px}.answersQuestionCard .answersAnswer strong{font-size:10px}.mistakesQuestionCard{gap:12px}.mistakesSource{color:var(--muted);letter-spacing:.04em;text-transform:uppercase;font-size:12px;font-weight:900}.mistakesAnswerRow{gap:8px;display:grid}.mistakesAnswerBox{border:1px solid var(--border);border-radius:var(--radius);background:var(--panel2);padding:10px 12px}.mistakesAnswerBox.good{border-color:color-mix(in srgb, var(--ok) 42%, var(--border));background:color-mix(in srgb, var(--ok) 14%, var(--panel2))}.mistakesAnswerBox.bad{border-color:color-mix(in srgb, var(--bad) 42%, var(--border));background:color-mix(in srgb, var(--bad) 12%, var(--panel2))}.mistakesAnswerLabel{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:11px;font-weight:900}.mistakesAnswerValue{margin-top:4px;font-weight:800;line-height:1.4}.mistakesCardActions{justify-content:flex-start;display:flex}.mistakesPracticeStats{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-bottom:12px;padding:12px;display:grid}.mistakesPracticeStat{border:1px solid var(--border);border-radius:var(--radius);background:var(--panel2);padding:12px}.mistakesPracticeValue{margin-bottom:4px;font-size:18px;font-weight:1000;line-height:1.1}@media (min-width:860px){.answersQuestionTextBig{font-size:11.5px}.answersQuestionCard .optionText{font-size:10.5px}}.answersTestIndex{letter-spacing:-.08em;color:color-mix(in srgb, var(--text) 14%, transparent);-webkit-user-select:none;user-select:none;pointer-events:none;font-size:34px;font-weight:1000;line-height:1;position:absolute;bottom:8px;right:10px}@media (min-width:1024px){.homeMenu{grid-template-columns:1fr 1fr;gap:12px}}.menuItem{border-radius:var(--radius);border:1px solid var(--border);background:var(--panel);min-height:92px;color:var(--text);cursor:pointer;text-align:left;grid-template-columns:40px minmax(0,1fr) 24px;align-items:center;gap:14px;padding:18px;display:grid}.menuItemSoon{border-color:color-mix(in srgb, var(--primary) 28%, var(--border));background:radial-gradient(circle at top right, color-mix(in srgb, var(--primary) 18%, transparent), transparent 42%), linear-gradient(135deg, color-mix(in srgb, var(--primary) 18%, transparent), color-mix(in srgb, var(--panel2) 86%, transparent));position:relative;overflow:hidden;box-shadow:0 10px 30px #2f6dff14}.menuItemSoon:after{content:"";border-radius:inherit;border:1px solid color-mix(in srgb, var(--primary) 22%, transparent);pointer-events:none;position:absolute;inset:0}.menuItemSoon:hover .miIcon{transform:none}.menuItem:active{transform:translateY(1px)}.menuItem:hover .miIcon{transform:scale(1.04)}.miIcon,.miChevron{transition:transform .15s,color .15s,background .15s}.miIcon{color:var(--muted);background:color-mix(in srgb, currentColor 14%, transparent);border-radius:12px;place-items:center;width:40px;height:40px;display:inline-grid}.miText{font-size:16px;font-weight:900;line-height:1.2}.miMain{gap:4px;min-width:0;display:grid}.miTextRow{flex-wrap:wrap;align-items:center;gap:10px;min-width:0;display:flex}.soonBadge{border:1px solid color-mix(in srgb, var(--primary) 36%, var(--border));background:color-mix(in srgb, var(--primary) 18%, var(--panel));height:22px;color:var(--text);letter-spacing:.02em;white-space:nowrap;border-radius:999px;justify-content:center;align-items:center;padding:0 8px;font-size:11px;font-weight:900;display:inline-flex}.miDesc{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:700;overflow:hidden}.miChevron{color:var(--muted);place-items:center;font-size:22px;line-height:1;display:inline-grid}.menuItem[data-page=topics] .miIcon{color:#60a5fa;background:#60a5fa2e}.menuItem[data-page=tickets] .miIcon{color:#22c55e;background:#22c55e2e}.menuItem[data-page=custom] .miIcon{color:#a78bfa;background:#a78bfa2e}.menuItem[data-page=mistakes] .miIcon{color:#fb7185;background:#fb71852e}.menuItem[data-page=marathon] .miIcon{color:#f97316;background:#f973162e}.menuItem[data-page=answers] .miIcon{color:#fbbf24;background:#fbbf242e}.menuItem[data-page=exam] .miIcon{color:#34d399;background:#34d3992e}.menuItemSoon .miChevron{color:color-mix(in srgb, var(--primary) 70%, var(--text))}.menuItemSoon:disabled{cursor:default;opacity:1;transform:none}.menuItemSoon:disabled:active{transform:none}.comingSoonCard{gap:10px;padding:10px 2px 2px;display:grid}.comingSoonPill{border:1px solid color-mix(in srgb, var(--primary) 28%, var(--border));background:color-mix(in srgb, var(--primary) 16%, var(--panel));width:fit-content;color:var(--text);letter-spacing:.02em;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:900}.comingSoonTitle{font-size:22px;font-weight:1000;line-height:1.15}.comingSoonText{color:var(--muted);max-width:640px;font-size:14px;font-weight:700;line-height:1.5}.topicsHero{align-items:center;gap:14px;padding:18px;display:flex}.topicsHeroIcon{width:48px;height:48px;color:var(--muted);background:var(--panel2);border:1px solid var(--border);border-radius:14px;flex:none;place-items:center;display:grid}.topicsSub{color:var(--muted);margin-top:4px;font-size:14px;font-weight:700}.topicsGrid{gap:16px;margin-top:14px;display:grid}@media (min-width:720px){.topicsGrid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width:1120px){.topicsGrid{grid-template-columns:repeat(3,minmax(0,1fr))}}.topicCard{border-radius:var(--radius);border:1px solid var(--border);background:var(--panel);min-height:96px;color:var(--text);text-align:left;cursor:pointer;align-items:center;gap:12px;padding:22px 24px;display:flex;position:relative;overflow:hidden}.topicCard.isCompleted{border-color:color-mix(in srgb, var(--ok) 40%, var(--border));background:linear-gradient(135deg, color-mix(in srgb, var(--ok) 12%, var(--panel)), var(--panel))}.topicCard:before{content:"";background:var(--border);width:4px;position:absolute;inset:0 auto 0 0}.topicCard:hover{background:var(--panel2);transform:translateY(-2px)}.topicCheck{border:1px solid var(--border);background:color-mix(in srgb, var(--panel2) 84%, transparent);width:30px;height:30px;color:var(--muted);cursor:pointer;z-index:2;border-radius:999px;place-items:center;padding:0;display:grid;position:absolute;top:12px;right:12px}.topicCheck:hover{border-color:color-mix(in srgb, var(--primary) 40%, var(--border));color:var(--text)}.topicCheck.active{background:color-mix(in srgb, var(--ok) 20%, var(--panel2));border-color:color-mix(in srgb, var(--ok) 50%, var(--border));color:var(--ok)}.topicIndex{letter-spacing:-.08em;color:color-mix(in srgb, var(--text) 14%, transparent);-webkit-user-select:none;user-select:none;pointer-events:none;font-size:46px;font-weight:1000;line-height:1;position:absolute;bottom:10px;right:14px}.topicName{max-width:75%;padding-right:72px;font-size:20px;font-weight:1000;line-height:1.2}.topicNameRow{flex-direction:column;gap:8px;width:100%;display:flex}.topicMeta{background:color-mix(in srgb, var(--blue-soft) 70%, white 30%);color:var(--blue);border-radius:999px;align-self:flex-start;padding:6px 10px;font-size:12px;font-weight:800;line-height:1;display:inline-flex}.topicOnlyCard{text-align:center;place-items:center;min-height:260px;margin-top:14px;padding:28px;display:grid}.topicOnlyLabel{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px;font-size:13px;font-weight:800}.topicOnlyTitle{color:var(--text);text-align:center;font-size:36px;font-weight:1000;line-height:1.1}.topicsTitle{font-size:24px;font-weight:1000;line-height:1.1}.topicsSub{color:var(--muted);margin-top:6px;font-size:15px;font-weight:700;line-height:1.45}.adminLayout{background:var(--bg);grid-template-columns:300px minmax(0,1fr);min-height:100vh;display:grid}.adminLayout.collapsed{grid-template-columns:92px minmax(0,1fr)}.adminSidebar{border-right:1px solid var(--border);background:color-mix(in srgb, var(--panel) 70%, transparent);align-content:start;gap:16px;height:100vh;padding:18px;display:grid;position:sticky;top:0}.adminBrand{border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);cursor:pointer;align-items:center;gap:12px;padding:12px;display:flex}.adminBrandText{min-width:0}.adminLogo{border-radius:var(--radius);background:var(--panel2);border:1px solid var(--border);place-items:center;width:44px;height:44px;font-weight:1000;display:grid}.adminBrandTitle{font-size:16px;font-weight:1000}.adminBrandSub{color:var(--muted);margin-top:2px;font-size:12px;font-weight:700}.adminNav{gap:8px;display:grid}.adminNavItem{border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);color:var(--text);grid-template-columns:40px minmax(0,1fr);align-items:center;gap:12px;padding:12px;text-decoration:none;display:grid}.adminNavItem.active{background:var(--panel2);border-color:color-mix(in srgb, var(--primary) 30%, var(--border))}.adminNavIcon{width:40px;height:40px;color:var(--text);box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--border) 50%, transparent);border-radius:12px;place-items:center;display:grid}.adminNavItem.active .adminNavIcon{box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--text) 14%, transparent)}.adminNavIcon.icon-overview{background:color-mix(in srgb, #60a5fa 18%, var(--panel2));border:1px solid color-mix(in srgb, #60a5fa 35%, var(--border));color:#93c5fd}.adminNavIcon.icon-users{background:color-mix(in srgb, #22c55e 18%, var(--panel2));border:1px solid color-mix(in srgb, #22c55e 35%, var(--border));color:#86efac}.adminNavIcon.icon-topics{background:color-mix(in srgb, #a855f7 18%, var(--panel2));border:1px solid color-mix(in srgb, #a855f7 35%, var(--border));color:#d8b4fe}.adminNavIcon.icon-questions{background:color-mix(in srgb, #f59e0b 18%, var(--panel2));border:1px solid color-mix(in srgb, #f59e0b 35%, var(--border));color:#fcd34d}.adminNavIcon.icon-tickets{background:color-mix(in srgb, #06b6d4 18%, var(--panel2));border:1px solid color-mix(in srgb, #06b6d4 35%, var(--border));color:#67e8f9}.adminNavIcon.icon-subscriptions{background:color-mix(in srgb, #f97316 18%, var(--panel2));border:1px solid color-mix(in srgb, #f97316 35%, var(--border));color:#fdba74}.adminNavIcon.icon-content{background:color-mix(in srgb, #14b8a6 18%, var(--panel2));border:1px solid color-mix(in srgb, #14b8a6 35%, var(--border));color:#5eead4}.adminNavIcon.icon-settings{background:color-mix(in srgb, #ec4899 18%, var(--panel2));border:1px solid color-mix(in srgb, #ec4899 35%, var(--border));color:#f9a8d4}.adminNavText{gap:3px;min-width:0;display:grid}.adminNavTitle{font-size:14px;font-weight:900}.adminNavDesc{color:var(--muted);font-size:12px;line-height:1.35}.adminBackBtn{border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);width:100%;height:42px;color:var(--text);justify-content:center;align-items:center;gap:8px;font-weight:800;display:inline-flex}.adminContent{grid-template-rows:auto 1fr;min-width:0;display:grid}.adminTopbar{border-bottom:1px solid var(--border);background:var(--bg);align-items:center;gap:12px;height:68px;padding:0 18px;display:flex}.adminMenuBtn{border-radius:var(--radius);border:1px solid var(--border);background:var(--panel);width:40px;height:40px;color:var(--text);place-items:center;display:inline-grid}.adminTopbarTitle{font-size:18px;font-weight:1000}.adminMain{padding:18px}.adminLayout.collapsed .adminSidebar{padding:18px 12px}.adminLayout.collapsed .adminBrand{justify-content:center}.adminLayout.collapsed .adminBrandText,.adminLayout.collapsed .adminNavText,.adminLayout.collapsed .adminBackBtn{display:none}.adminLayout.collapsed .adminNavItem{grid-template-columns:1fr;justify-items:center;padding:10px}.adminLayout.collapsed .adminNavIcon{width:44px;height:44px}.adminLayout.collapsed .adminNavItem{gap:0}.adminLayout.collapsed .adminBrand{padding:10px}.adminLayout.collapsed .adminLogo{width:42px;height:42px}.adminLayout.collapsed .adminNav{gap:10px}.adminLayout.collapsed .adminBackBtn{width:44px;height:44px;padding:0}.adminLayout.collapsed .adminBackBtn .lucide{margin:0}.adminLayout.collapsed .adminSidebar .adminBrand{gap:0}.adminEmpty{text-align:center;place-items:center;min-height:240px;padding:24px;display:grid}.adminEmptyTitle{font-size:22px;font-weight:1000}.adminEmptyText{color:var(--muted);margin-top:8px;font-size:14px;font-weight:700}.adminEmptyCompact{min-height:160px}.adminSectionPage{gap:14px;padding-bottom:84px;display:grid}.adminSectionHeader{justify-content:space-between;align-items:center;gap:14px;display:flex}.adminSectionTitle{font-size:22px;font-weight:1000}.adminSectionSub{color:var(--muted);margin-top:4px;font-size:13px;font-weight:700}.adminTicketActions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:10px;display:flex}.adminPanelCard{gap:14px;padding:16px;display:grid}.adminPanelCardHead{gap:6px;display:grid}.adminPanelCardTitle{align-items:center;gap:8px;font-size:16px;font-weight:900;display:inline-flex}.adminPanelCardDesc{color:var(--muted);font-size:13px;font-weight:700;line-height:1.4}.adminTopicForm{gap:12px;display:grid}.adminTopicInline{grid-template-columns:minmax(0,1fr) 180px;gap:12px;display:grid}.adminTopicEditHint{border:1px solid var(--border);background:var(--bg);color:var(--muted);border-radius:12px;padding:8px 10px;font-size:12px;font-weight:800}.adminTopicsGrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.adminTopicCard{cursor:pointer;gap:12px;padding:14px;transition:transform .14s,border-color .14s,background-color .14s,box-shadow .14s;display:grid;position:relative}.adminTopicCard.active{border-color:color-mix(in srgb, var(--primary) 65%, var(--border))}.adminTopicCard.isMarked{border-color:color-mix(in srgb, var(--ok) 42%, var(--border));background:linear-gradient(135deg, color-mix(in srgb, var(--ok) 10%, var(--panel)), var(--panel))}.adminTopicCard:hover{background:var(--panel2);border-color:color-mix(in srgb, var(--primary) 38%, var(--border));transform:translateY(-2px);box-shadow:0 8px 20px #00000029}.adminVideoPreview{border:1px solid var(--border);aspect-ratio:16/9;background:#050816;border-radius:14px;position:relative;overflow:hidden}.adminVideoThumb,.adminVideoFrame{object-fit:cover;border:0;width:100%;height:100%;display:block}.adminVideoThumbFallback{color:#fff;background:linear-gradient(135deg,#1d4ed8,#7c3aed);place-items:center;display:grid}.adminVideoStatus{z-index:2;color:#fff;background:#050816d1;border-radius:999px;align-items:center;padding:6px 10px;font-size:11px;font-weight:900;display:inline-flex;position:absolute;bottom:10px;left:10px}.adminVideoStatus-success{border:1px solid color-mix(in srgb, var(--ok) 55%, var(--border))}.adminVideoStatus-warning{border:1px solid color-mix(in srgb, #f59e0b 55%, var(--border))}.adminVideoStatus-danger{border:1px solid color-mix(in srgb, var(--danger) 55%, var(--border))}.adminVideoMetaLine{color:var(--muted);flex-wrap:wrap;gap:8px;font-size:12px;font-weight:700;display:flex}.adminTopicFormRow,.adminUploadRow{grid-template-columns:minmax(0,1fr) auto;gap:10px;display:grid}.adminSwitch{border:1px solid var(--border);background:var(--panel2);height:48px;color:var(--text);border-radius:12px;align-items:center;gap:8px;padding:0 14px;font-weight:800;display:inline-flex}.adminSwitch input{width:18px;height:18px}.adminUploadProgress{border:1px solid var(--border);background:var(--panel2);min-width:180px;height:40px;color:var(--text);border-radius:12px;align-items:center;padding:0 12px;font-weight:900;display:flex;position:relative;overflow:hidden}.adminUploadProgressBar{background:color-mix(in srgb, var(--primary) 35%, transparent);position:absolute;inset:0 auto 0 0}.adminUploadProgressBar.indeterminate{width:45%;animation:1.2s ease-in-out infinite adminUploadSlide}.adminUploadProgress span{z-index:1;position:relative}.adminSelectedFile{color:var(--muted);margin-top:-4px;font-size:13px;font-weight:700}@keyframes adminUploadSlide{0%{transform:translate(-120%)}50%{transform:translate(120%)}to{transform:translate(260%)}}.adminTopicCheck{border:1px solid var(--border);background:color-mix(in srgb, var(--panel2) 84%, transparent);width:28px;height:28px;color:var(--muted);z-index:2;border-radius:999px;place-items:center;padding:0;display:grid;position:absolute;top:12px;right:58px}.adminTopicCheck.active{background:color-mix(in srgb, var(--ok) 20%, var(--panel2));border-color:color-mix(in srgb, var(--ok) 50%, var(--border));color:var(--ok)}.adminTopicBody{gap:8px;min-width:0;display:grid}.adminTopicTop{justify-content:flex-start;align-items:flex-start;display:flex}.adminTopicOrder{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-size:12px;font-weight:900}.adminTopicTitle{margin-top:2px;font-size:16px;font-weight:950;line-height:1.3}.adminTopicTitleOneLine{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.adminTopicTitleLink{color:var(--text);text-decoration:none;display:inline-flex}.adminTopicTitleLink:hover .adminTopicTitle{color:color-mix(in srgb, var(--primary) 75%, var(--text))}.adminTopicMeta{align-items:center;gap:8px;display:flex}.adminTopicMetaBadge{border:1px solid var(--border);background:color-mix(in srgb, var(--panel2) 78%, transparent);color:var(--muted);border-radius:999px;align-items:center;gap:6px;padding:4px 10px;font-size:12px;font-weight:800;display:inline-flex}.adminTopicMetaBadgeMarked{border-color:color-mix(in srgb, var(--ok) 42%, var(--border));background:color-mix(in srgb, var(--ok) 14%, var(--panel2));color:var(--text)}.adminTopicIndex{letter-spacing:-.08em;color:color-mix(in srgb, var(--text) 14%, transparent);-webkit-user-select:none;user-select:none;pointer-events:none;font-size:36px;font-weight:1000;line-height:1;position:absolute;bottom:8px;right:12px}.badge{border:1px solid var(--border);background:var(--panel);border-radius:12px;align-items:center;gap:6px;padding:6px 10px;font-size:12px;font-weight:900;line-height:1;display:inline-flex}.badge-success{border-color:color-mix(in srgb, var(--ok) 48%, var(--border));background:color-mix(in srgb, var(--ok) 14%, var(--panel));color:var(--text)}.adminSearchWrap{align-items:center;display:flex;position:relative}.adminSearchIcon{width:18px;height:18px;color:var(--muted);pointer-events:none;position:absolute;left:14px}.adminSearchInput{padding-left:44px}.adminSearchWrap .adminSearchInput.input{min-height:44px;padding-left:44px;padding-right:44px}.adminSearchClear{border:1px solid var(--border);background:var(--bg);width:28px;height:28px;color:var(--muted);border-radius:10px;place-items:center;display:grid;position:absolute;right:10px}.adminSearchClear:hover{color:var(--text);border-color:color-mix(in srgb, var(--primary) 30%, var(--border))}.adminUsersGrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.adminUsersGrid .adminEmpty{grid-column:1/-1}.adminUserCard{gap:12px;padding:16px;display:grid}.adminUserActions{justify-content:flex-end;display:flex}.adminUserTop{align-items:flex-start;gap:12px;display:flex}.adminUserAvatar{background:color-mix(in srgb, var(--primary) 12%, var(--panel));border:1px solid color-mix(in srgb, var(--primary) 25%, var(--border));border-radius:14px;flex:none;place-items:center;width:42px;height:42px;display:grid}.adminUserAvatar .lucide{width:20px;height:20px}.adminUserInfo{flex:1;gap:4px;min-width:0;display:grid}.adminUserName{word-break:break-word;font-size:16px;font-weight:950;line-height:1.3}.adminUserMeta{color:var(--muted);font-size:12px;font-weight:800}.adminUserDetails{gap:10px;display:grid}.adminUserRow{border-top:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;padding-top:10px;font-size:13px;display:flex}.adminUserRow strong{text-align:right;word-break:break-word;font-size:13px;font-weight:900}.adminTopicActions{flex-flow:wrap;gap:8px;display:flex}.adminTopicActions .btn{justify-content:center;min-width:38px}.adminTicketCreate{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;display:grid}.adminTicketsGrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.adminTicketCard{color:var(--text);grid-template-columns:56px minmax(0,1fr) auto;align-items:center;gap:14px;padding:16px;display:grid}.adminTicketNumber{border-radius:var(--radius);border:1px solid color-mix(in srgb, var(--primary) 24%, var(--border));background:color-mix(in srgb, var(--primary) 12%, var(--panel));width:56px;height:56px;color:var(--text);letter-spacing:.04em;place-items:center;font-weight:1000;display:grid}.adminTicketBody{min-width:0}.adminTicketBodyLink{color:var(--text);gap:4px;text-decoration:none;display:grid}.adminTicketTitle{font-size:16px;font-weight:900}.adminTicketMeta{color:var(--muted);margin-top:4px;font-size:13px;font-weight:700}.adminTicketArrow{color:var(--muted)}.adminTicketActionsInline{align-items:center;gap:8px;display:inline-flex}.adminIconBtn{border-style:solid;border-width:1px;border-radius:12px;width:38px;height:38px;padding:0;box-shadow:inset 0 0 0 1px #0000}.adminIconBtnEdit{box-shadow:inset 0 0 0 1px #93c5fd3d;background:color-mix(in srgb, #3b82f6 28%, var(--panel))!important;border-color:color-mix(in srgb, #3b82f6 68%, var(--border))!important;color:#eff6ff!important}.adminIconBtnDelete{box-shadow:inset 0 0 0 1px #fda4af38;background:color-mix(in srgb, #ef4444 26%, var(--panel))!important;border-color:color-mix(in srgb, #ef4444 68%, var(--border))!important;color:#fff1f2!important}.adminIconBtnEdit:hover{background:color-mix(in srgb, #3b82f6 34%, var(--panel2))!important}.adminIconBtnDelete:hover{background:color-mix(in srgb, #ef4444 32%, var(--panel2))!important}.adminFieldGroup{gap:12px;display:grid}.adminField{gap:8px;display:grid}.adminFieldWide{grid-column:1/-1}.adminFieldLabel{color:var(--muted);letter-spacing:.04em;text-transform:uppercase;font-size:12px;font-weight:800}.adminQuestionsHeader{justify-content:space-between;align-items:center;gap:12px;display:flex}.adminQuestionsGrid{gap:14px;display:grid}.adminQuestionCard{gap:14px;padding:16px;display:grid}.adminQuestionHead{justify-content:space-between;align-items:center;gap:12px;display:flex}.adminQuestionBadge{border-radius:var(--radius);border:1px solid var(--border);background:var(--panel2);align-items:center;gap:8px;padding:8px 12px;font-size:13px;font-weight:900;display:inline-flex}.adminQuestionFields,.adminOptionsGrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.adminOptionsToolbar{flex-wrap:wrap;align-items:center;gap:10px;display:flex}@media (max-width:1024px){.adminLayout{grid-template-columns:1fr}.adminSidebar{border-right:0;border-bottom:1px solid var(--border);height:auto;position:relative}}@media (max-width:640px){.adminMain{padding:14px}.adminSectionHeader{flex-direction:column;align-items:flex-start}.adminTicketActions{justify-content:flex-start}.adminTicketCreate,.adminTicketsGrid,.adminTopicsGrid,.adminUsersGrid,.adminTopicInline{grid-template-columns:1fr}.adminTopicCard{padding:14px}.adminUserRow{flex-direction:column;align-items:flex-start}.adminUserRow strong{text-align:left}.adminTopicActions{justify-content:flex-start}.adminQuestionFields,.adminOptionsGrid{grid-template-columns:1fr}.adminQuestionsHeader,.answersHero{flex-direction:column;align-items:flex-start}.answersHeroMeta{justify-content:flex-start}.mistakesHeader{gap:10px}.mistakesHeaderMeta{justify-content:flex-start}.mistakesTabs,.mistakesPracticeStats,.examModeGrid{grid-template-columns:1fr}.examModeTop,.examStartMeta,.examResultBanner{flex-direction:column;align-items:flex-start}.answersSearch,.answersDetailCard{padding:12px}.answersGrid{grid-template-columns:1fr}.answersTestCard{min-height:108px}.answersAnswer{flex-direction:column;align-items:flex-start}.answersAnswer strong{text-align:left}.answersDetailHead{align-items:flex-start}.adminLayout.collapsed{grid-template-columns:76px minmax(0,1fr)}.adminLayout.collapsed .adminSidebar{padding:14px 8px}.adminLayout.collapsed .adminNavItem{padding:8px}}.authContainer{background-color:#0000;background-image:linear-gradient(#070a12b8,#070a12b8),url(/way.png);background-position:50%;background-repeat:no-repeat;background-size:cover;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box;flex:1 0 auto;padding:22px 32px 132px;position:relative;overflow:hidden}.landingLayout{grid-template-columns:minmax(0,1fr);align-items:start;gap:18px;width:min(1480px,100% - 24px);margin:0 auto;display:grid}.landingHero{gap:18px;padding:52px 0 0;display:grid}.heroGrid{display:block}.heroCopy{text-align:center;justify-items:center;gap:16px;width:min(1200px,100%);margin:0 auto;display:grid}.landingTitle{letter-spacing:-.02em;max-width:100%;margin:0;font-size:clamp(34px,3.8vw,58px);font-weight:900;line-height:1.22}.landingLine{padding-bottom:2px;display:block}.landingLead{max-width:60ch;color:var(--muted);margin:0;font-size:14px;line-height:1.7}.landingAccent{color:#3a78ff}.landingCtaRow{flex-wrap:wrap;justify-content:center;gap:10px;padding-top:8px;display:flex}.landingStartBtn,.landingVideoBtn{border-radius:6px;min-height:48px;padding-inline:18px}.landingVideoBtn{background:#0b101a}.landingStats{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:4px;display:grid}.landingStat{border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:8px;align-items:center;gap:10px;padding:14px;font-weight:800;display:inline-flex}.landingStat .lucide{width:18px;height:18px;color:color-mix(in srgb, var(--primary) 75%, white 25%)}.featureGrid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:8px;display:grid}.featureCard{border:1px solid var(--border);background:var(--panel);border-radius:8px;padding:16px}.featureTitle{margin-bottom:8px;font-size:15px;font-weight:1000}.featureText{color:var(--muted);font-size:14px;line-height:1.6}.videoSection{gap:12px;margin-top:12px;display:grid}.sectionHead{justify-content:space-between;align-items:flex-end;gap:14px;display:flex}.sectionKicker{display:none}.sectionTitle{letter-spacing:-.04em;margin:6px 0 0;font-size:24px;font-weight:1000}.sectionAction{align-items:center;gap:10px;min-height:44px;display:inline-flex}.seoHidden{width:1px;height:1px;position:absolute;left:-9999px;overflow:hidden}.videoCard{border:1px solid var(--border);background:var(--panel);border-radius:8px;grid-template-columns:56px minmax(0,1fr);align-items:center;gap:14px;padding:16px;display:grid}.videoCardIcon{background:var(--panel2);border:1px solid var(--border);border-radius:8px;place-items:center;width:56px;height:56px;display:grid}.videoCardIcon .lucide{width:24px;height:24px}.videoCardTitle{margin-bottom:6px;font-size:18px;font-weight:1000}.videoCardText{color:var(--muted);line-height:1.6}.videoLessonsGrid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;display:grid}.videoPlayerCard{gap:16px;margin-bottom:16px;padding:16px;display:grid}.videoPlayerPlaceholder{text-align:center;place-items:center;min-height:280px}.videoPlayerPlaceholderIcon{background:color-mix(in srgb, var(--primary) 14%, var(--panel2));width:68px;height:68px;color:var(--primary);border-radius:20px;place-items:center;display:grid}.videoPlayerPlaceholderIcon .lucide{width:34px;height:34px}.videoPlayerPlaceholderText{color:var(--muted);font-weight:700}.videoPlayerHead{grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:14px;display:grid}.videoPlayerTitleRow{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.videoPlayerTitle{margin:0;font-size:20px;line-height:1.2}.videoPlayerDescription{color:var(--muted);margin:10px 0 0;line-height:1.65}.videoPlayerMeta{color:var(--muted);flex-wrap:wrap;gap:10px;margin-top:10px;font-size:13px;display:flex}.videoPlayerBadge{border-radius:999px;align-items:center;gap:6px;padding:8px 12px;font-size:12px;font-weight:900;display:inline-flex}.videoPlayerBadgePremium{background:color-mix(in srgb, var(--danger) 16%, var(--panel2));color:#ffd6d6;border:1px solid color-mix(in srgb, var(--danger) 45%, var(--border))}.videoPlayerBadgeFree{background:color-mix(in srgb, var(--primary) 16%, var(--panel2));color:#dbe7ff;border:1px solid color-mix(in srgb, var(--primary) 45%, var(--border))}.videoPlayerWrap{gap:12px;display:grid}.videoPlayerSurface{border:1px solid var(--border);aspect-ratio:16/9;background:#000;border-radius:16px;position:relative;overflow:hidden}.videoPlayerWrapCompact .videoPlayerSurface{aspect-ratio:16/10;border-radius:14px}.adminInlinePlayerSurface{min-height:220px}.videoPlayerElement{background:#000;width:100%;height:100%;display:block}.videoPlayerOverlay{z-index:2;color:#fff;text-align:center;background:#050816b8;place-items:center;gap:10px;padding:16px;display:grid;position:absolute;inset:0}.videoPlayerOverlayError{gap:8px}.videoPlayerSpinner{border:3px solid #ffffff2e;border-top-color:#fff;border-radius:999px;width:34px;height:34px;animation:.9s linear infinite qspin}.videoPlayerControls{justify-content:space-between;align-items:center;gap:10px;display:flex}.videoPlayerControlGroup{align-items:center;gap:10px;display:flex}.videoPlayerSpeedLabel{color:var(--muted);align-items:center;gap:8px;font-size:13px;font-weight:800;display:inline-flex}.videoPlayerSpeedSelect{border:1px solid var(--border);background:var(--panel2);height:36px;color:var(--text);border-radius:12px;padding:0 10px}.videoPlayerPlaybackState{color:var(--muted);font-size:13px;font-weight:700}.videoLessonCard{border:1px solid var(--border);background:var(--panel);border-radius:18px;gap:12px;padding:14px;display:grid;box-shadow:0 10px 24px #1420400f}.videoLessonFrameWrap{aspect-ratio:16/9;border:1px solid var(--border);background:#050816;border-radius:16px;position:relative;overflow:hidden}.videoLessonThumb,.videoLessonFrame{object-fit:cover;border:0;width:100%;height:100%;display:block}.videoLessonThumbImage{background-position:50%;background-repeat:no-repeat;background-size:cover}.videoLessonThumbFallback{color:#fff;background:linear-gradient(135deg,#1d4ed8,#7c3aed);place-items:center;display:grid}.videoLessonPlay{color:#fff;background:linear-gradient(#0000001a,#0000004d);place-items:center;display:grid;position:absolute;inset:0}.videoLessonPlay .lucide{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff2e;border-radius:999px;width:58px;height:58px;padding:14px}.videoLessonPremium{z-index:2;color:#fff;background:#ef4444eb;border-radius:999px;padding:6px 10px;font-size:11px;font-weight:900;position:absolute;top:10px;left:10px}.videoLessonBody{gap:8px;display:grid}.videoLessonTopRow{color:var(--muted);justify-content:space-between;align-items:center;gap:8px;font-size:12px;display:flex}.videoLessonDuration,.videoLessonStatus{border:1px solid var(--border);background:var(--panel2);border-radius:999px;padding:5px 8px}.videoLessonStatus-ready{color:#d4fbe6}.videoLessonStatus-processing{color:#fff4d6}.videoLessonStatus-failed{color:#ffd7d7}.videoLessonTitle{margin:0;font-size:17px;font-weight:1000;line-height:1.35}.videoLessonDescription{color:var(--muted);margin:0;font-size:14px;line-height:1.6}.videoLessonActions{flex-wrap:wrap;gap:10px;display:flex}.videoLessonTopic{width:100%;color:inherit;text-align:left;cursor:pointer;background:0 0;border:0;justify-content:space-between;align-items:center;gap:12px;padding:0;display:flex}.videoLessonTopicText{font-size:16px;font-weight:900;line-height:1.35}.videoLessonTopic .lucide{width:18px;height:18px;color:var(--muted);flex:none}.videoLessonTopicBtn{justify-content:center;width:auto}.videoLessonsInfo{grid-template-columns:54px minmax(0,1fr);align-items:center;gap:14px;margin-top:16px;padding:16px;display:grid}.videoLessonsInfoIcon{width:54px;height:54px;color:var(--blue);background:#eef4ff;border-radius:16px;place-items:center;display:grid}.videoLessonsInfoIcon .lucide{width:24px;height:24px}.videoLessonsInfoTitle{margin-bottom:4px;font-size:16px;font-weight:900}.videoLessonsInfoText{color:var(--muted);font-size:14px;line-height:1.6}.authCardSimple{border:1px solid var(--border);background:var(--panel);border-radius:8px;gap:14px;padding:0;display:grid}.authModalOverlay{z-index:40;background:#000000d6;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.authModal{background:#0b1018;border:1px solid #263452;border-radius:24px;gap:16px;width:min(560px,100%);max-height:min(90vh,860px);padding:20px;display:grid;overflow:auto;box-shadow:0 22px 70px #0000009e}.authModalHeader{gap:12px;padding-right:42px;display:grid;position:relative}.authModalHeader .btn{position:absolute;top:0;right:0}.authModalTitleWrap{text-align:center;width:100%}.authModalTitle{letter-spacing:-.04em;color:#f5f7ff;font-size:26px;font-weight:1000}.authModalText{color:var(--muted);margin-top:8px;font-size:14px;line-height:1.6}.authTabs{background:0 0;border:0;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;width:100%;padding:0;display:grid}.authTab{color:#9ca7c2;cursor:pointer;text-align:center;letter-spacing:-.02em;background:#101726;border:1px solid #25324c;border-radius:18px;justify-content:center;align-items:center;gap:0;width:100%;min-width:0;padding:14px 16px;font-size:15px;font-weight:950;display:inline-flex}.authTab.active{color:#f7fbff;box-shadow:none;background:linear-gradient(#153160 0%,#132848 100%);border-color:#2f5fe8}.authGoogleBlock{justify-items:center;gap:10px;margin-top:12px;display:grid}.authDivider{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;align-items:center;gap:10px;width:100%;font-size:12px;font-weight:700;display:flex}.authDivider:before,.authDivider:after{content:"";background:var(--border);flex:1;height:1px}.googleButtonMount{justify-content:center;align-items:center;width:100%;max-width:420px;min-height:48px;margin-inline:auto;display:flex}.googleButtonMount>div{margin-inline:auto}.inputGroup{grid-template-columns:44px minmax(0,1fr) 44px;align-items:stretch;gap:0;display:grid}.inputAddon{background:#101726;border:none;place-items:center;display:grid}.inputAddonText{padding:0 10px;font-size:13px;font-weight:900}.inputField{border-left:none;border-right:none}.inputIconBtn{color:#c8d0e6;cursor:pointer;background:#101726;border:none;place-items:center;display:grid}.inputGroup>.inputAddon{border-radius:var(--radius) 0 0 var(--radius)}.inputGroup>.inputField{border-radius:0}.inputGroup>.inputIconBtn{border-radius:0 var(--radius) var(--radius) 0}.inputGroup.noRight{grid-template-columns:44px minmax(0,1fr)}.inputGroup.inputPhone.noRight{grid-template-columns:64px minmax(0,1fr)}.inputGroup.noRight>.inputField{border-right:1px solid var(--border);border-radius:0 var(--radius) var(--radius) 0}.inputGroup.noRight>.inputAddon{border-radius:var(--radius) 0 0 var(--radius)}.authForm{box-shadow:none;background:0 0;border:0;border-radius:0;gap:14px;margin-top:0;padding:0;display:grid}.authInputGroup{background:#101726;border:1px solid #263452;border-radius:16px;min-height:56px;overflow:hidden}.authInputGroup .inputAddon,.authInputGroup .inputIconBtn{background:#101726}.authInputGroup .inputField{color:#eff4ff;letter-spacing:-.01em;background:#101726;border:none;font-size:15px;font-weight:750}.authInputGroup .inputField::placeholder{color:#7c879f}.authInputGroup .inputAddonText{color:#f5f7ff}.authInputGroup .inputIconBtn{color:#9ba7c4}.authSubmitBtn{letter-spacing:-.01em;height:52px;box-shadow:none;border-radius:18px;font-weight:950}.authSubmitBtn.btn-primary{background:linear-gradient(180deg, color-mix(in srgb, var(--primary) 98%, white 2%) 0%, color-mix(in srgb, var(--primary) 88%, black 12%) 100%)}.authSecondaryBtn{height:46px}.authFormNote{color:var(--muted);margin-top:-2px;font-size:12px;line-height:1.45}.authForgotBtn{color:var(--primary);cursor:pointer;background:0 0;border:0;justify-self:end;padding:2px 0 0;font-size:13px;font-weight:800}.authResetNotice{border:1px solid color-mix(in srgb, var(--primary) 24%, var(--border) 76%);background:color-mix(in srgb, var(--panel) 84%, var(--primary) 16%);border-radius:16px;gap:6px;margin-top:4px;padding:12px 14px;display:grid}.authResetTitle{color:var(--primary);text-transform:uppercase;letter-spacing:.08em;font-size:12px;font-weight:900}.authResetText{color:var(--text);font-size:13px;line-height:1.5}.authCopyBtn{color:var(--primary);cursor:pointer;background:0 0;border:0;justify-self:start;padding:0;font-size:13px;font-weight:800}.authPrivacyNote{color:var(--muted);margin:0;font-size:12.5px;line-height:1.5}.authPrivacyLink{color:var(--primary);text-underline-offset:2px;font-weight:800;text-decoration:underline}@media (max-width:640px){.testSettingsOverlay{place-items:end center;padding:0 6px}.testSettingsModal{width:calc(100vw - 12px);max-height:calc(100dvh - 12px);padding:14px 14px calc(14px + env(safe-area-inset-bottom));border-radius:22px 22px 0 0;margin-bottom:0;overflow:auto}.testSettingsModalHeader{margin-bottom:12px}.testSettingsList{gap:10px}.testSettingsRow{padding:12px}.heroGrid{display:block}.landingLayout{grid-template-columns:1fr;gap:18px;width:100%}.landingTitle{letter-spacing:-.02em;max-width:none;font-size:clamp(28px,8.5vw,40px);line-height:1.22}.landingLine{display:block}.landingStats,.featureGrid{grid-template-columns:1fr}.sectionHead{flex-direction:column;align-items:flex-start}.videoCard{grid-template-columns:1fr}.videoCardIcon{width:52px;height:52px}.authModal{width:100%;padding:16px}.authModalHeader{padding-right:40px}.authTabs{grid-template-columns:1fr}.siteFooter{padding-inline:0}.siteFooterInner{width:100%;padding:14px 14px 18px}}.formGrid{gap:10px;margin-top:12px;display:grid}.fieldLabel{color:var(--muted);margin:6px 0 4px;font-size:12px}.helpRow{color:var(--muted);justify-content:space-between;align-items:center;gap:10px;margin-top:10px;font-size:13px;display:flex}.linkBtn{color:color-mix(in srgb, var(--primary) 85%, var(--text));cursor:pointer;background:0 0;border:none;padding:0;font-weight:800}.linkBtn:active{transform:translateY(1px)}.authActions{gap:10px;margin-top:12px;display:grid}.authActions .btn{width:100%}.siteFooter{border-top:1px solid var(--border);background:var(--bg);flex-shrink:0;width:100%;margin-top:auto}.siteFooterInner{justify-content:space-between;align-items:center;gap:16px;width:min(1560px,100% - 12px);max-width:none;margin:0 auto;padding:8px 16px 10px;display:flex}.siteFooterLogo{letter-spacing:-.05em;align-items:baseline;gap:8px;font-weight:1000;line-height:1;display:inline-flex;transform:skew(-10deg)}.siteFooterLinks{align-items:center;gap:10px;display:inline-flex}.siteSocialLink{border-radius:var(--radius);border:1px solid var(--border);background:var(--panel);width:36px;height:36px;color:var(--text);place-items:center;text-decoration:none;display:inline-grid}.siteSocialLink .lucide{width:18px;height:18px}.siteSocialLink:active{transform:translateY(1px)}.sitePrivacyLink{letter-spacing:-.02em;width:auto;padding:0 10px;font-size:12px;font-weight:800}.hint{border-radius:var(--radius);border:1px dashed var(--border);background:color-mix(in srgb, var(--panel2) 70%, transparent);color:var(--muted);padding:10px 12px;font-size:13px}.input{width:100%}.adminTextarea{resize:vertical;min-height:160px;font-weight:650;line-height:1.55}.adminHiddenFileInput{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.adminImageRow{grid-template-columns:220px minmax(0,1fr);align-items:start;gap:14px;display:grid}.adminImageUploadHint{color:var(--muted);margin-top:-2px;font-size:12px;line-height:1.35}.adminImagePreview{border:1px solid var(--border);border-radius:var(--radius);aspect-ratio:16/10;background:#000;min-height:120px;position:relative;overflow:hidden}.adminImagePreviewButton{cursor:zoom-in;padding:0}.adminImageUploadBtn{align-items:center;gap:8px;min-width:0;padding-inline:12px;display:inline-flex}.adminImageUploadBtn .lucide{width:16px;height:16px}.adminImagePreviewButtonInner{background:0 0;border:0;width:100%;height:100%;padding:0;display:block}.adminImagePreviewSmall{min-height:120px}.adminImageControls{align-content:start;gap:10px;display:grid}.adminAudioPreview{border:1px solid var(--border);background:linear-gradient(#0d1324,#090f1d);border-radius:18px;min-height:72px;padding:12px;position:relative;overflow:hidden}.adminImageEmptyState{text-align:center;width:100%;height:100%;min-height:120px;color:var(--muted);background:color-mix(in srgb, var(--panel2) 78%, transparent);place-items:center;padding:14px;display:grid}.adminImageEmptyTitle{color:var(--text);font-size:14px;font-weight:900}.adminImageEmptyText{margin-top:4px;font-size:12px;line-height:1.45}.adminAudioPlayer{accent-color:#3b82f6;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;filter:none;opacity:1;background:0 0;border-radius:14px;width:100%;min-height:52px;display:block}.adminAudioPlayer::-webkit-media-controls-panel{background:linear-gradient(#111c33,#0d1729)}.adminAudioPlayer::-webkit-media-controls-enclosure{background:0 0}.adminAudioPlayer::-webkit-media-controls-play-button{filter:brightness(1.2)saturate(1.2)}.adminAudioPlayer::-webkit-media-controls-mute-button{filter:brightness(1.2)saturate(1.2)}.adminAudioPlayer::-webkit-media-controls-current-time-display{color:#e2e8f0;text-shadow:none}.adminAudioPlayer::-webkit-media-controls-time-remaining-display{color:#e2e8f0;text-shadow:none}.adminAudioEmptyState{text-align:center;min-height:64px;color:var(--muted);place-items:center;padding:14px;display:grid}.adminAudioEmptyTitle{color:var(--text);font-size:14px;font-weight:900}.adminAudioEmptyText{margin-top:4px;font-size:12px;line-height:1.45}.adminAudioStack{gap:12px;display:grid}.adminAudioFooter{gap:8px;display:grid}.adminAudioHint{color:var(--muted);font-size:10px;line-height:1.35}.adminAudioButtons{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));align-items:stretch;gap:8px;display:grid}.adminAudioActionCard{text-align:left;white-space:normal;border-radius:12px;justify-content:flex-start;align-items:center;gap:8px;width:100%;min-height:54px;padding:8px 10px;display:flex}.adminAudioActionText{flex:auto;gap:1px;min-width:0;display:grid}.adminAudioActionTitle{font-size:12px;font-weight:900;line-height:1.2}.adminAudioActionSub{color:color-mix(in srgb, currentColor 72%, #94a3b8);font-size:9px;font-weight:650;line-height:1.3}.adminAudioActionIcon{border-radius:999px;flex:none;justify-content:center;align-items:center;width:30px;height:30px;display:inline-flex}.adminAudioActionIcon .lucide{width:14px;height:14px}.adminAudioActionArrow{opacity:.9;flex:none;width:13px;height:13px}.adminAudioMicBtn{color:#ecfdf5;background:linear-gradient(#134e2e,#0c2f1b);border-color:#1f8f4a;box-shadow:inset 0 0 0 1px #86efac33}.adminAudioMicBtn .adminAudioActionIconMic{background:#1f9d55}.adminAudioMicBtn.isRecording{border-color:color-mix(in srgb, #f87171 72%, var(--border));color:#fff1f2;background:#561d27}.adminAudioUploadBtn{color:#eff6ff;background:linear-gradient(#1640a8,#0f2e7a);border-color:#2457c8;font-weight:800;box-shadow:inset 0 0 0 1px #bfdbfe29}.adminAudioUploadBtn .adminAudioActionIconUpload{background:#2f6ff0}.adminAudioUploadBtn .lucide,.adminAudioDeleteBtn .lucide,.adminAudioMicBtn .lucide{flex:none;width:16px;height:16px}.adminAudioUploadBtn.isUploading{opacity:.9;cursor:progress}.adminAudioDeleteBtn{color:#fff1f2;background:linear-gradient(#7f1d1d,#4c1111);border-color:#ef4444;box-shadow:inset 0 0 0 1px #fda4af29}.adminAudioDeleteBtn .adminAudioActionIconDelete{background:#ef4444}.adminAudioDeleteBtn:hover{background:linear-gradient(#991b1b,#5f1717)}.adminAudioUploadBtn:hover{background:linear-gradient(#1d4ed8,#12368c)}.adminImagePreviewImg{object-fit:contain;object-position:center;background:#000;width:100%;height:100%;display:block}.adminImagePreviewLoading{color:#fff;letter-spacing:.02em;background:#000000a6;place-items:center;font-size:13px;font-weight:800;display:grid;position:absolute;inset:0}.adminSaveFloating{z-index:60;box-shadow:var(--shadow);position:fixed;bottom:22px;right:22px}@media (max-width:720px){.adminImageRow{grid-template-columns:1fr}.adminAudioButtons{grid-template-columns:1fr;gap:7px}.adminAudioMicBtn,.adminAudioUploadBtn,.adminAudioDeleteBtn{width:100%}.adminAudioActionCard{border-radius:11px;gap:7px;width:100%;min-height:50px;padding:7px 9px}.adminAudioActionIcon{width:28px;height:28px}.adminAudioActionIcon .lucide{width:13px;height:13px}.adminAudioActionTitle{font-size:11.5px}.adminAudioActionSub{font-size:9px}.adminTicketCard{grid-template-columns:44px minmax(0,1fr);align-items:start}.adminTicketActionsInline{grid-column:1/-1}.adminSaveFloating{bottom:14px;right:14px}}.toastRoot{z-index:9999;gap:10px;max-width:min(420px,100vw - 28px);display:grid;position:fixed;top:14px;right:14px}.toast{border-radius:var(--radius);border:1px solid var(--border);background:var(--bg);box-shadow:var(--shadow);color:var(--text);cursor:pointer;opacity:0;padding:12px;font-weight:800;line-height:1.25;transition:transform .18s,opacity .18s;transform:translateY(-6px)}.toast.toast-in{opacity:1;transform:translateY(0)}.toast.toast-out{opacity:0;transform:translateY(-6px)}.toast-success{border-color:color-mix(in srgb, var(--ok) 45%, var(--border))}.toast-error{border-color:color-mix(in srgb, var(--bad) 45%, var(--border))}.toast-info{border-color:color-mix(in srgb, var(--primary) 45%, var(--border))}@media (max-width:520px){.toastRoot{left:14px;right:14px}}.ticketsHeader{border:1px solid var(--border);background:var(--panel);place-items:center;min-height:58px;margin-bottom:14px;display:grid;position:relative}.ticketsHeaderTitle{text-align:center;font-size:18px;font-weight:1000}.ticketsBackBtn{position:absolute;left:12px}.ticketsGrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}@media (min-width:640px){.ticketsGrid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (min-width:1024px){.ticketsGrid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (min-width:1400px){.ticketsGrid{grid-template-columns:repeat(6,minmax(0,1fr))}}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.qLayout{grid-template-columns:1fr;align-items:start;gap:12px;display:grid}.qTitleBar{border-bottom:1px solid var(--border);background:var(--panel2);color:var(--text);letter-spacing:.05em;padding:12px 14px;font-size:24px;font-weight:900;line-height:1.55}.qTitleBar>*{letter-spacing:inherit;line-height:inherit}@media (min-width:860px){.qLayout{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:14px}.qRight{border-right:1px solid var(--border);order:1}.qLeft{background:#000;border-bottom:none;order:2;justify-content:center;align-self:start;align-items:center;min-height:100%;padding:18px;display:flex}}.qRight{flex-direction:column;min-width:0;display:flex}.qLeft{border-bottom:1px solid var(--border);background:#000;min-height:220px;padding:16px;position:relative}.ticketCard{cursor:pointer;text-align:center;background:linear-gradient(180deg, color-mix(in srgb, var(--panel2) 65%, transparent), var(--panel));min-height:90px;color:var(--text);place-items:center;padding:16px 12px;transition:transform 80ms;display:grid;position:relative;overflow:hidden}.ticketCard:active{transform:scale(.99)}.ticketCard:hover{border-color:color-mix(in srgb, var(--primary) 35%, var(--border))}.ticketTitle{font-size:18px;font-weight:900}.lock{border-radius:var(--radius);background:color-mix(in srgb, var(--primary) 25%, var(--panel));border:1px solid var(--border);padding:6px 10px;font-size:12px;font-weight:700;position:absolute;top:10px;right:10px}.btn{border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);color:var(--text);justify-content:center;align-items:center;gap:8px;padding:10px 12px;font-weight:700;line-height:1;display:inline-flex}.btn-sm{padding:9px 10px;font-size:13px}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--primary);border-color:color-mix(in srgb, var(--primary) 65%, var(--border));color:#fff}.btn.proActive{background:color-mix(in srgb, var(--ok) 20%, var(--panel));border-color:color-mix(in srgb, var(--ok) 45%, var(--border));color:var(--text)}.btn.proActive i{margin-right:6px}.labelShort{display:none}@media (max-width:520px){.labelFull{display:none}.labelShort{display:inline}}.btn-danger{background:var(--danger);border-color:color-mix(in srgb, var(--danger) 65%, var(--border));color:#fff}.btn-ghost{background:0 0}.view.hidden{display:none}.ticketHeader,.topicHeader{justify-content:space-between;align-items:center;gap:14px;margin-bottom:14px;display:flex}.ticketHeader>div,.topicHeader>div{min-width:0}.ticketHeaderLeft,.topicHeaderLeft{align-items:center;gap:14px;min-width:0;display:flex}@media (max-width:520px){.ticketHeader,.topicHeader{grid-template-columns:auto minmax(0,1fr);align-items:start;gap:10px;display:grid}.ticketHeader .h2,.topicHeader .h2{margin:0;font-size:16px;line-height:1.15}.ticketHeader .muted,.topicHeader .muted{margin-top:4px}#backBtn.btn{border-radius:var(--radius);padding:8px 10px;font-size:13px}}.qnav{flex-wrap:wrap;gap:6px;margin:10px 0 12px;display:flex}.qbtn{border-radius:var(--radius);border:1px solid var(--border);background:var(--panel);width:34px;height:34px;color:var(--text);font-weight:800}@media (min-width:860px){.qbtn{border-radius:var(--radius);width:40px;height:40px;font-size:14px}}.qbtn.active{outline:2px solid color-mix(in srgb, var(--primary) 60%, transparent)}.qbtn.answered{background:color-mix(in srgb, var(--ok) 18%, var(--panel));border-color:color-mix(in srgb, var(--ok) 35%, var(--border))}.qbtn.answered.wrong{background:color-mix(in srgb, var(--bad) 18%, var(--panel));border-color:color-mix(in srgb, var(--bad) 45%, var(--border))}.qbtn.answered.correct{background:color-mix(in srgb, var(--ok) 18%, var(--panel));border-color:color-mix(in srgb, var(--ok) 35%, var(--border))}.qimg{object-fit:contain;object-position:center;background:#000;border-radius:0;width:100%;height:auto;display:block}.qimg.isLoading{opacity:0}.imageZoomTrigger{cursor:zoom-in;background:0 0;border:0;justify-content:center;align-items:center;width:auto;max-width:100%;padding:0;display:flex;position:relative}@media (min-width:860px){.qimg{border-radius:0;max-width:920px;max-height:58vh}}.qImageLoader{background:var(--bg);z-index:1;place-items:center;display:grid;position:absolute;inset:0}.qSpinner{border:2px solid color-mix(in srgb, var(--muted) 35%, transparent);border-top-color:var(--primary);border-radius:999px;width:22px;height:22px;animation:.8s linear infinite qspin}.examLoadingView{place-items:center;min-height:calc(100vh - 90px);padding:24px;display:grid}.examLoadingCard{border-radius:calc(var(--radius) + 2px);border:1px solid var(--border);background:radial-gradient(circle at top, color-mix(in srgb, var(--primary) 18%, transparent), transparent 45%), var(--panel);width:min(100%,520px);box-shadow:var(--shadow);text-align:center;justify-items:center;gap:14px;padding:28px 22px 26px;display:grid}.examLoadingSpinnerWrap{background:color-mix(in srgb, var(--panel2) 75%, transparent);border:1px solid var(--border);border-radius:50%;place-items:center;width:92px;height:92px;display:grid}.examLoadingSpinner{border:4px solid color-mix(in srgb, var(--muted) 28%, transparent);border-top-color:var(--primary);border-right-color:color-mix(in srgb, var(--primary) 60%, transparent);border-radius:999px;width:52px;height:52px;animation:.8s linear infinite qspin}.examLoadingTitle{font-size:22px;font-weight:1000;line-height:1.2}.examLoadingText{color:var(--muted);font-weight:700;line-height:1.5}@keyframes qspin{to{transform:rotate(360deg)}}.options{gap:12px;padding:14px 14px 16px;display:grid}@media (min-width:860px){.options{flex:1;gap:14px;padding:14px 16px 16px}}.option{text-align:left;border-radius:var(--radius);border:1px solid var(--border);background:var(--panel);width:100%;min-height:0;color:var(--text);align-items:stretch;padding:0;font-weight:800;line-height:1.3;display:flex;overflow:hidden}.option.locked{cursor:not-allowed;opacity:.9}.option.locked:hover{border-color:var(--border)}@media (min-width:860px){.option{border-radius:var(--radius);font-size:15px}}.optionKey{background:color-mix(in srgb, var(--primary) 42%, var(--panel2));color:#fff;letter-spacing:.03em;border-right:1px solid var(--border);flex:0 0 48px;place-items:center;font-size:14px;font-weight:1000;display:grid}.optionText{flex:auto;align-items:center;min-height:56px;padding:14px 16px;line-height:1.4;display:flex}@media (min-width:860px){.optionText{min-height:46px;padding:12px 16px}}.option.correct{border-color:color-mix(in srgb, var(--ok) 55%, var(--border));background:color-mix(in srgb, var(--ok) 22%, var(--panel2))}.option.wrong{border-color:color-mix(in srgb, var(--bad) 55%, var(--border));background:color-mix(in srgb, var(--bad) 16%, var(--panel2))}.explanation{border-top:1px solid var(--border);border-radius:var(--radius);background:color-mix(in srgb, var(--panel2) 82%, transparent);color:var(--text);min-height:140px;margin-top:16px;padding:16px 16px 18px}.questionAudio{border:1px solid var(--border);background:linear-gradient(#0c1220,#090e1a);border-radius:16px;margin-top:12px;padding:12px 12px 14px;box-shadow:inset 0 0 0 1px #1e293b66}.questionAudioHeader{color:#f8fafc;align-items:center;gap:10px;margin-bottom:12px;font-size:15px;font-weight:900;line-height:1.2;display:flex}.questionAudioBadge{color:#3b82f6;background:#152b59;border-radius:999px;flex:none;justify-content:center;align-items:center;width:28px;height:28px;display:inline-flex}.questionAudioBadge .lucide{width:15px;height:15px}.questionAudioTitle{color:#f8fafc;font-size:18px;font-weight:800}.questionAudioPlayerWrap{border:1px solid color-mix(in srgb, #24324a 70%, var(--border));background:linear-gradient(#111827,#0b1220);border-radius:12px;padding:10px 12px}.questionAudioPlayer{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;accent-color:#3b82f6;background:0 0;width:100%;min-height:44px;display:block}.questionAudioPlayer::-webkit-media-controls-panel{background:linear-gradient(#111c33,#0d1729)}.questionAudioPlayer::-webkit-media-controls-enclosure{background:0 0}.questionAudioPlayer::-webkit-media-controls-play-button{filter:brightness(1.15)saturate(1.1)}.questionAudioPlayer::-webkit-media-controls-current-time-display{color:#e2e8f0;text-shadow:none}.questionAudioPlayer::-webkit-media-controls-time-remaining-display{color:#e2e8f0;text-shadow:none}.questionAudioPlayer::-webkit-media-controls-timeline{filter:saturate(1.25)brightness(1.05)}.questionAudioPlayer::-webkit-media-controls-mute-button{filter:brightness(1.15)}.qCardTop{justify-content:space-between;align-items:flex-start;gap:10px;display:flex}.qCardTop .qTitleBar{flex:auto;min-width:0}.testSettingsTrigger{border:1px solid var(--border);color:#dbeafe;background:linear-gradient(#111827,#0b1220);border-radius:12px;flex:none;justify-content:center;align-items:center;width:40px;height:40px;display:inline-flex;box-shadow:inset 0 0 0 1px #1e293b40}.testSettingsTrigger:hover{background:linear-gradient(#1d4ed8,#12328d)}.testSettingsTrigger .lucide{width:16px;height:16px}.testSettingsOverlay{z-index:120;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#020617ad;place-items:center;padding:18px;display:grid;position:fixed;inset:0}.testSettingsModal{border-radius:18px;width:min(520px,100%);padding:18px}.testSettingsModalHeader{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px;display:flex}.testSettingsModalTitle{color:var(--text);font-size:18px;font-weight:1000;line-height:1.2}.testSettingsModalSubtitle{color:var(--muted);margin-top:4px;font-size:13px;line-height:1.45}.testSettingsClose{border:1px solid var(--border);background:color-mix(in srgb, var(--panel2) 88%, #0b1220);width:36px;height:36px;color:var(--text);border-radius:12px;justify-content:center;align-items:center;display:inline-flex}.testSettingsClose .lucide{width:16px;height:16px}.testSettingsList{gap:12px;display:grid}.testSettingsRow{text-align:left;border:1px solid var(--border);background:color-mix(in srgb, var(--panel2) 88%, #0b1220);border-radius:16px;align-items:center;gap:12px;width:100%;padding:14px;display:flex}.testSettingsRow.isActive{border-color:color-mix(in srgb, #3b82f6 58%, var(--border));background:color-mix(in srgb, #1e3a8a 16%, var(--panel2))}.testSettingsRowIcon{color:#93c5fd;background:#182c53;border-radius:12px;flex:none;justify-content:center;align-items:center;width:38px;height:38px;display:inline-flex}.testSettingsRowBody{flex:auto;gap:2px;min-width:0;display:grid}.testSettingsRowTitle{color:var(--text);font-size:14px;font-weight:900}.testSettingsRowDesc{color:var(--muted);font-size:12px;line-height:1.4}.testSettingsSwitch{border:1px solid color-mix(in srgb, #64748b 72%, var(--border));background:#334155;border-radius:999px;flex:none;align-items:center;width:46px;height:26px;padding:2px;display:inline-flex}.testSettingsSwitch.isOn{background:#2563eb;border-color:#3b82f6}.testSettingsSwitchKnob{background:#fff;border-radius:999px;width:20px;height:20px;transition:transform .18s;transform:translate(0)}.testSettingsSwitch.isOn .testSettingsSwitchKnob{transform:translate(20px)}.explanationLabel{color:var(--muted);letter-spacing:.04em;text-transform:uppercase;margin-bottom:10px;font-size:12px;font-weight:900}.markdownContent{color:var(--text);gap:12px;font-size:15px;font-weight:650;line-height:1.7;display:grid}.markdownParagraph{white-space:pre-wrap;margin:0}.markdownHeading{margin:0;font-size:18px;font-weight:1000;line-height:1.25}.markdownList{gap:8px;margin:0;padding-left:20px;display:grid}.markdownListItem{margin:0}.markdownQuote{border-left:3px solid var(--primary);border-radius:0 var(--radius) var(--radius) 0;background:color-mix(in srgb, var(--primary) 10%, var(--panel));color:var(--muted);margin:0;padding:12px 14px}.markdownInlineCode,.markdownCodeBlock code{font-family:var(--font-mono,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace)}.markdownInlineCode{background:color-mix(in srgb, var(--panel2) 78%, transparent);border:1px solid var(--border);border-radius:8px;padding:2px 6px;font-size:.92em}.markdownCodeBlock{border-radius:var(--radius);border:1px solid var(--border);background:color-mix(in srgb, var(--panel2) 82%, transparent);margin:0;padding:14px 16px;overflow:auto}.markdownCodeBlock code{white-space:pre;font-size:13px;line-height:1.6;display:block}.markdownLink{color:var(--primary);text-underline-offset:2px;font-weight:800;text-decoration:underline}.imageLightbox{z-index:10000;background:#000000d1;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.imageLightboxImg{object-fit:contain;border:1px solid var(--border);border-radius:var(--radius);max-width:min(1280px,96vw);max-height:90vh;box-shadow:var(--shadow);background:#000}.imageLightboxClose{border:1px solid var(--border);background:var(--panel);width:44px;height:44px;color:var(--text);border-radius:999px;font-size:24px;font-weight:700;line-height:1;position:absolute;top:18px;right:18px}.answerMeta{border-radius:var(--radius);border:1px solid var(--border);background:var(--panel);color:var(--muted);margin:-2px 14px 12px;padding:10px 12px;font-size:13px;line-height:1.4}.answerMeta b{color:var(--text)}.ticketFooter,.topicFooter{justify-content:space-between;align-items:center;gap:10px;margin-top:12px;display:flex;position:relative}.footerLeft,.footerRight{align-items:center;gap:8px;display:flex}.footerCenter{flex:1;justify-content:center;align-items:center;gap:8px;display:flex}.examView .topicFooter{justify-content:space-between}.examView .footerRight{position:static}.examView .footerLeft{flex-wrap:wrap}.examResetBtn{margin-left:0}@media (min-width:860px){.ticketFooter,.topicFooter{justify-content:center;gap:14px}.footerLeft{justify-content:center}.footerRight{position:absolute;right:44px}}.resultBlock{border-radius:var(--radius);border:1px solid var(--border);background:var(--panel);box-shadow:var(--shadow);margin-top:14px;padding:12px}.resultChartBlock{align-items:center;min-height:390px;padding:18px 16px 20px;display:grid}.resultChart{justify-items:center;gap:16px;display:grid}.resultChartRing{width:clamp(170px,24vw,220px);height:clamp(170px,24vw,220px);box-shadow:inset 0 0 0 1px var(--border);border-radius:999px;padding:14px}.resultChartCenter{background:var(--panel2);width:100%;height:100%;box-shadow:inset 0 0 0 1px var(--border);border-radius:999px;place-items:center;display:grid}.resultChartValue{color:var(--text);font-size:clamp(36px,4vw,58px);font-weight:1000;line-height:1}.resultChartLabel{letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin-top:4px;font-size:13px;font-weight:900}.resultChartMeta{gap:10px;width:100%;display:grid}.resultSolved{text-align:center;justify-items:center;gap:4px;padding-top:0;display:grid}.resultSolvedValue{color:var(--text);font-size:clamp(34px,4vw,54px);font-weight:1000;line-height:1}.resultStat{border-radius:var(--radius);border:1px solid var(--border);background:color-mix(in srgb, var(--panel2) 82%, transparent);color:var(--text);align-items:center;gap:10px;padding:12px 14px;font-weight:800;display:flex}.resultStatDot{border-radius:999px;flex:none;width:10px;height:10px}.resultStatDot.ok{background:var(--ok)}.resultStatDot.bad{background:var(--bad)}.resultStatDot.primary{background:var(--primary)}.resultChartBlock .muted{text-align:center}.resultTop{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;display:flex}.pillRow{flex-wrap:wrap;gap:8px;display:flex}.pill{border-radius:var(--radius);border:1px solid var(--border);background:var(--panel2);align-items:center;gap:8px;padding:8px 10px;font-weight:800;display:inline-flex}.pill.ok{border-color:color-mix(in srgb, var(--ok) 40%, var(--border))}.pill.bad{border-color:color-mix(in srgb, var(--danger) 40%, var(--border))}.analysisList{gap:10px;margin-top:12px;display:grid}.analysisItem{border-radius:var(--radius);border:1px solid var(--border);background:var(--panel2);padding:12px}.analysisItemTitle{margin-bottom:6px;font-weight:900}.analysisItemText{color:var(--muted);font-size:13px;line-height:1.45}@media (min-width:860px){.resultChart{justify-items:center}}.modalOverlay{z-index:50;background:#00000080;position:fixed;inset:0}.modal{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);width:min(92vw,420px);box-shadow:var(--shadow);z-index:60;padding:12px;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)}.modalResult{width:min(92vw,620px);padding:16px}.modalResult .modalBody{gap:14px}.resultCloseBtn{width:100%;padding:14px 18px;font-size:18px}.modalResult .resultBlock{background:color-mix(in srgb, var(--panel2) 88%, transparent)}.modalHeader{justify-content:space-between;align-items:center;gap:8px;display:flex}.modalTitle{font-size:24px;font-weight:900}.modalBody{gap:10px;margin-top:10px;display:grid}.profileModal{width:min(92vw,460px)}@media (max-width:640px){.modalResult{top:auto;left:50%;bottom:calc(-1 * env(safe-area-inset-bottom));width:calc(100vw - 12px);max-height:calc(100dvh + env(safe-area-inset-bottom));border-radius:22px 22px 0 0;padding:14px;overflow:auto;transform:translate(-50%)}.modalResult .modalBody{gap:10px;margin-top:8px}.modalResult .resultBlock{margin-top:0}.modalResult .resultChartBlock{min-height:0;padding:14px 12px 16px}.modalResult .resultChartRing{width:164px;height:164px}.modalResult .resultCloseBtn{padding:12px 16px;font-size:16px}.profileModal{width:calc(100vw - 16px);max-height:calc(100dvh - 32px);top:16px;overflow:auto;transform:translate(-50%)}.profileModal .modalBody{margin-top:8px}.profileModal .profileHero{padding:12px}.profileModal .profileBlock{padding:10px}.testSettingsOverlay{place-items:end center;padding:0 6px}.testSettingsModal{width:calc(100vw - 12px);max-height:calc(100dvh + env(safe-area-inset-bottom));margin-bottom:calc(-1 * env(safe-area-inset-bottom));border-radius:22px 22px 0 0;padding:14px;overflow:auto}.testSettingsModalHeader{margin-bottom:12px}.testSettingsList{gap:10px}.testSettingsRow{padding:12px}}.modalBodyResult{gap:12px}.resultProgress{gap:8px;display:grid}.resultProgressTrack{background:#ffffff14;border:1px solid #ffffff14;border-radius:999px;height:12px;overflow:hidden}.resultProgressFill{border-radius:inherit;background:var(--primary);height:100%}.resultProgressMeta{color:var(--muted);justify-content:space-between;gap:10px;font-size:12px;display:flex}.subGrid{gap:10px;display:grid}@media (min-width:520px){.subGrid{grid-template-columns:repeat(3,minmax(0,1fr))}}.subOption{text-align:left;border-radius:var(--radius);border:1px solid var(--border);background:var(--panel);color:var(--text);cursor:pointer;padding:12px}.subOption.active{outline:2px solid color-mix(in srgb, var(--primary) 55%, transparent);background:color-mix(in srgb, var(--primary) 10%, var(--panel))}.subTitle{font-weight:900}.subPrice{color:var(--muted);margin-top:4px;font-size:13px}.payRow{grid-template-columns:1fr 1fr;gap:10px;display:grid}.payBtn{justify-content:center;align-items:center;gap:8px;display:inline-flex}.payBtn svg{color:color-mix(in srgb, var(--primary) 70%, var(--text))}.payBtn#payPayme svg{color:#22c55e}.payBtn#payClick svg{color:#60a5fa}.payBtn.active{background:var(--panel2);border-color:var(--border)}.profileBlock{border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);gap:10px;padding:12px;display:grid}.profileHero{border:1px solid var(--border);border-radius:calc(var(--radius) + 2px);background:radial-gradient(circle at top right, color-mix(in srgb, var(--primary) 14%, transparent), transparent 42%), var(--panel2);align-items:center;gap:12px;padding:14px;display:flex}.profileAvatar{background:linear-gradient(135deg, color-mix(in srgb, var(--primary) 88%, white), color-mix(in srgb, var(--primary) 55%, black));color:#fff;border-radius:18px;flex:none;place-items:center;width:54px;height:54px;font-size:18px;font-weight:1000;display:grid;box-shadow:0 12px 26px #00000029}.profileIntro{gap:6px;min-width:0;display:grid}.profileName{font-size:18px;font-weight:1000;line-height:1.1}.profileSub{color:var(--muted);font-size:13px;line-height:1.35}.profilePills{flex-wrap:wrap;gap:8px;display:flex}.profilePill{border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:999px;align-items:center;gap:6px;padding:7px 10px;font-size:12px;font-weight:800;display:inline-flex}.profilePillAccent{background:color-mix(in srgb, var(--primary) 10%, var(--panel));border-color:color-mix(in srgb, var(--primary) 25%, var(--border))}.profileRow{justify-content:space-between;align-items:center;gap:12px;display:flex}.profileRowCard{border-radius:calc(var(--radius) - 4px);background:var(--bg);border:1px solid var(--border);padding:12px}.profileRowButton{cursor:pointer;text-align:left;width:100%}.profileRowButton .profileVal{transition:transform .15s}.profileRowButton:hover .profileVal{transform:translate(2px)}.profileKey{color:var(--muted);align-items:center;gap:8px;font-size:13px;font-weight:700;display:inline-flex}.profileKeyIcon{flex:none;width:16px;height:16px}.profileVal{text-align:right;font-weight:900}.profileValStatus{color:color-mix(in srgb, var(--primary) 70%, white)}.finishStats{border:1px solid var(--border);background:var(--panel);border-radius:var(--radius);gap:8px;padding:12px;display:grid}.finishStatsResult{gap:16px;padding:18px}.chartBlock{justify-items:center;gap:12px;padding:8px 0 4px;display:grid}.chartWrap{place-items:center;width:220px;height:220px;display:grid;position:relative}.chartCenter{text-align:center;position:absolute;inset:0}.chartValue{font-size:48px;font-weight:1000;line-height:1;position:absolute;top:50%;left:50%;transform:translate(-50%,-56%)}.chartLabel{color:var(--muted);font-size:13px;font-weight:700;position:absolute;top:50%;left:50%;transform:translate(-50%,20px)}.chartMeta{justify-items:center;gap:4px;display:grid}.chartCount{font-size:28px;font-weight:1000}.input{border-radius:var(--radius);border:1px solid var(--border);background:var(--panel);color:var(--text);outline:none;padding:12px;font-weight:700}.help{color:var(--muted);background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px;font-size:12px}.msg{border-radius:var(--radius);border:1px solid var(--border);background:var(--panel);padding:10px 12px;font-size:13px}.hidden{display:none}