@import "https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@600;700;800&display=swap";.landing-page{--lp-blue:#1769e8;--lp-blue-dark:#0d47ba;--lp-ink:#101a33;--lp-muted:#68728a;--lp-line:#e5ebf5;--lp-bg:#f7faff;width:100%;max-width:100vw;min-height:100vh;color:var(--lp-ink);scroll-behavior:smooth;background:#fff;overflow:hidden}.landing-page *{box-sizing:border-box}.landing-page button,.landing-page a{transition:all .2s}.landing-header{z-index:20;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#fffffff2;border-bottom:1px solid #e7edf7;align-items:center;gap:32px;width:100%;max-width:100vw;height:78px;padding:0 clamp(24px,5.5vw,88px);display:flex;position:relative;box-shadow:0 5px 24px #1741770a}.landing-brand{color:var(--lp-ink);flex:none;align-items:center;gap:11px;text-decoration:none;display:flex}.landing-brand>span{color:#fff;background:linear-gradient(135deg,#1b70ec,#36a8f3);border-radius:13px;place-items:center;width:40px;height:40px;display:grid;box-shadow:0 9px 24px #1769e833}.landing-brand svg{width:23px}.landing-brand b{letter-spacing:-.055em;font:850 22px Manrope,Arial,sans-serif}.landing-nav{align-items:stretch;gap:7px;height:100%;margin-left:auto;display:flex}.landing-nav a{color:#4c5871;align-items:center;padding:0 16px;font-size:13px;font-weight:700;text-decoration:none;display:flex;position:relative}.landing-nav a:hover,.landing-nav a.active{color:var(--lp-blue)}.landing-nav a.active:after{content:"";background:var(--lp-blue);border-radius:3px 3px 0 0;height:3px;position:absolute;bottom:0;left:16px;right:16px}.landing-language{flex:none;position:relative}.landing-language>button{color:#35425b;background:#fff;border:1px solid #dce5f3;border-radius:11px;align-items:center;gap:7px;height:42px;padding:0 12px;font-weight:750;display:flex}.landing-language svg{width:16px}.landing-language svg:last-child{width:13px}.landing-language-menu{z-index:30;background:#fff;border:1px solid #e0e7f2;border-radius:13px;width:150px;padding:6px;display:grid;position:absolute;top:49px;right:0;box-shadow:0 20px 55px #18375f26}.landing-language-menu button{color:#44516a;background:0 0;border:0;border-radius:8px;justify-content:space-between;padding:10px;font-weight:650;display:flex}.landing-language-menu button:hover,.landing-language-menu button.selected{color:var(--lp-blue);background:#edf5ff}.landing-language-menu button svg{opacity:0}.landing-language-menu button.selected svg{opacity:1}.landing-signin{background:linear-gradient(135deg,var(--lp-blue),#0756d3);color:#fff;border:0;border-radius:11px;align-items:center;gap:9px;height:43px;padding:0 18px;font-weight:750;display:flex;box-shadow:0 9px 25px #1769e829}.landing-signin:hover,.landing-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px #1769e83b}.landing-signin svg,.landing-primary svg{width:16px}.landing-signin.mobile,.landing-menu{display:none}.landing-hero{isolation:isolate;background:#eef7ff;align-items:center;min-height:670px;padding:52px clamp(24px,5.5vw,88px) 56px;display:flex;position:relative}.landing-hero:before{content:"";z-index:2;pointer-events:none;background:linear-gradient(90deg,#f8fbff 0%,#f8fbfff7 25%,#f8fbffcf 36%,#f8fbff42 49%,#0000 66%);position:absolute;inset:0}.landing-hero-copy{z-index:3;width:45%;max-width:680px;position:relative}.landing-kicker{color:#2562b9;text-transform:uppercase;letter-spacing:.09em;background:#ffffffd9;border:1px solid #cfe2fa;border-radius:99px;align-items:center;gap:8px;padding:8px 12px;font-size:10px;font-weight:800;display:inline-flex;box-shadow:0 5px 18px #1f5e9d0b}.landing-kicker svg{width:14px}.landing-hero h1{letter-spacing:-.055em;max-width:680px;margin:21px 0 18px;font:850 clamp(43px,4.35vw,67px)/1.08 Manrope,Arial,sans-serif}.landing-hero h1 em{color:var(--lp-blue);font-style:normal;display:block}.landing-hero-copy>p{color:#58667d;max-width:610px;margin:0 0 27px;font-size:16px;line-height:1.7}.landing-actions{align-items:center;gap:12px;display:flex}.landing-primary{background:linear-gradient(135deg,var(--lp-blue),#0756d3);color:#fff;border:0;border-radius:11px;justify-content:center;align-items:center;gap:11px;padding:14px 19px;font-size:12px;font-weight:800;display:inline-flex;box-shadow:0 11px 27px #1769e82f}.landing-secondary{color:#34445e;align-items:center;gap:9px;padding:10px;font-size:12px;font-weight:750;text-decoration:none;display:inline-flex}.landing-secondary>span{width:30px;height:30px;color:var(--lp-blue);border:1px solid #bcd0ed;border-radius:50%;place-items:center;display:grid}.landing-secondary svg{width:15px}.landing-secondary:hover{color:var(--lp-blue)}.landing-trust{color:#68778e;gap:22px;margin-top:25px;font-size:10px;font-weight:650;display:flex}.landing-trust span{align-items:center;gap:7px;display:flex}.landing-trust svg{color:#16a36a;width:14px}.landing-visual{z-index:1;background:linear-gradient(90deg,#f6faff 0%,#e6f3fe 56%,#93caf2 100%);position:absolute;inset:0;overflow:hidden}.landing-visual>img{object-fit:cover;object-position:center;filter:saturate(.98)contrast(1.02);width:100%;height:100%;display:block;transform:scale(.97)}.landing-quick-features{z-index:5;grid-template-columns:repeat(4,1fr);gap:13px;max-width:1230px;margin:-30px auto 0;padding:0 20px;display:grid;position:relative}.quick-feature-card{--quick:#1769e8;--quick-soft:#edf5ff;--quick-glow:#1769e81f;isolation:isolate;border:1px solid color-mix(in srgb,var(--quick),#fff 80%);background:linear-gradient(145deg,#fff 58%,var(--quick-soft));backface-visibility:hidden;border-radius:18px;align-items:center;gap:14px;min-height:118px;padding:23px 19px;transition:transform .46s cubic-bezier(.2,.8,.2,1),box-shadow .46s cubic-bezier(.2,.8,.2,1),border-color .35s;display:flex;position:relative;overflow:hidden;transform:translate(0,0);box-shadow:0 14px 36px #173e6c12}.quick-feature-card:before{content:"";z-index:-1;background:linear-gradient(180deg,var(--quick),color-mix(in srgb,var(--quick),#fff 50%));transform-origin:top;width:3px;transition:transform .5s cubic-bezier(.2,.8,.2,1);position:absolute;top:0;bottom:0;left:0}.quick-feature-card:after{content:"";z-index:-1;background:radial-gradient(circle,var(--quick-glow),transparent 70%);opacity:.7;border-radius:50%;width:100px;height:100px;transition:opacity .45s,transform .55s cubic-bezier(.2,.8,.2,1);position:absolute;bottom:-54px;right:-42px;transform:scale(.9)}.quick-feature-card.blue{--quick:#1769e8;--quick-soft:#edf5ff;--quick-glow:#1769e821}.quick-feature-card.amber{--quick:#e68a0b;--quick-soft:#fff5e4;--quick-glow:#e68a0b22}.quick-feature-card.green{--quick:#0b9a5d;--quick-soft:#eaf9f1;--quick-glow:#0b9a5d20}.quick-feature-card.purple{--quick:#7047d8;--quick-soft:#f2edff;--quick-glow:#7047d820}.quick-icon{color:#fff;background:linear-gradient(145deg,color-mix(in srgb,var(--quick),#fff 15%),var(--quick));width:48px;height:48px;box-shadow:0 10px 22px var(--quick-glow),inset 0 1px #fff6;border-radius:14px;flex:none;place-items:center;transition:transform .46s cubic-bezier(.2,.8,.2,1),box-shadow .45s;display:grid;position:relative}.quick-icon:before{content:"";border:1px solid #ffffff2d;border-radius:10px;position:absolute;inset:5px}.quick-icon svg{stroke-width:1.9px;filter:drop-shadow(0 2px 3px #0002);width:22px;height:22px;transition:transform .46s cubic-bezier(.2,.8,.2,1)}.quick-feature-number{color:color-mix(in srgb,var(--quick),#fff 54%);letter-spacing:.08em;font:800 8px Manrope,Arial,sans-serif;position:absolute;top:10px;right:13px}.landing-quick-features b,.landing-quick-features small{display:block}.landing-quick-features b{letter-spacing:-.015em;color:#15213a;margin-bottom:5px;font:800 12px Manrope,Arial,sans-serif;transition:color .35s}.landing-quick-features small{color:#748197;font-size:8px;line-height:1.5}.quick-feature-card>div{min-width:0}@media (hover:hover){.quick-feature-card:hover{border-color:color-mix(in srgb,var(--quick),#fff 58%);box-shadow:0 24px 48px var(--quick-glow);transform:translateY(-6px)}.quick-feature-card:hover:before{transform:scaleY(.68)}.quick-feature-card:hover:after{opacity:1;transform:scale(1.16)}.quick-feature-card:hover .quick-icon{box-shadow:0 15px 29px var(--quick-glow),inset 0 1px #fff7;transform:translateY(-2px)scale(1.045)}.quick-feature-card:hover .quick-icon svg{transform:scale(1.07)}.quick-feature-card:hover b{color:var(--quick)}}.landing-section{padding:100px clamp(24px,6vw,96px)}.subjects-section{background:linear-gradient(#fff 0%,#fbfdff 100%)}.landing-section-heading{max-width:760px}.landing-section-heading.centered{text-align:center;margin:auto}.landing-section-heading>span,.workflow-copy>span{color:var(--lp-blue);text-transform:uppercase;letter-spacing:.13em;font-size:10px;font-weight:850}.landing-section-heading h2,.workflow-copy h2,.landing-cta h2{letter-spacing:-.045em;margin:12px 0 15px;font:850 clamp(34px,3.8vw,52px)/1.12 Manrope,Arial,sans-serif}.landing-section-heading p,.workflow-copy>p{color:var(--lp-muted);margin:0;line-height:1.7}.landing-subject-grid{grid-template-columns:repeat(4,1fr);gap:16px;max-width:1190px;margin:50px auto 0;display:grid}.landing-subject-card{--subject:#1769e8;--subject-soft:#eaf3ff;--subject-glow:#1769e81c;isolation:isolate;background:linear-gradient(145deg,#fff 60%,var(--subject-soft));backface-visibility:hidden;will-change:transform;border:1px solid #e2e9f4;border-radius:21px;flex-direction:column;min-height:254px;padding:22px;transition:transform .48s cubic-bezier(.2,.8,.2,1),box-shadow .48s cubic-bezier(.2,.8,.2,1),border-color .35s;display:flex;position:relative;overflow:hidden;transform:translate(0,0);box-shadow:0 10px 34px #193d680c}.landing-subject-card:before{content:"";z-index:-1;background:linear-gradient(90deg,var(--subject),color-mix(in srgb,var(--subject),#fff 45%));transform-origin:0;height:3px;transition:transform .48s cubic-bezier(.2,.8,.2,1);position:absolute;top:0;left:0;right:0}.landing-subject-card:after{content:"";z-index:-1;background:radial-gradient(circle,var(--subject-glow),transparent 70%);opacity:.7;border-radius:50%;width:145px;height:145px;transition:opacity .5s,transform .6s cubic-bezier(.2,.8,.2,1);position:absolute;top:-60px;right:-65px;transform:scale(.9)}.landing-subject-card.math{--subject:#1769e8;--subject-soft:#edf5ff;--subject-glow:#1769e821}.landing-subject-card.physics{--subject:#6549db;--subject-soft:#f1edff;--subject-glow:#6549db20}.landing-subject-card.chemistry{--subject:#e8870b;--subject-soft:#fff5e4;--subject-glow:#e8870b22}.landing-subject-card.biology{--subject:#11a162;--subject-soft:#eaf9f1;--subject-glow:#11a16220}.landing-subject-card.geography{--subject:#078ea7;--subject-soft:#e9f9fb;--subject-glow:#078ea71f}.landing-subject-card.history{--subject:#d49a13;--subject-soft:#fff8e4;--subject-glow:#d49a1320}.landing-subject-card.computer{--subject:#6c42d8;--subject-soft:#f2edff;--subject-glow:#6c42d820}.landing-subject-card.language{--subject:#dc4f79;--subject-soft:#fff0f4;--subject-glow:#dc4f7920}.subject-card-top{justify-content:space-between;align-items:center;gap:12px;display:flex}.landing-subject-icon{color:#fff;background:linear-gradient(145deg,color-mix(in srgb,var(--subject),#fff 15%),var(--subject));width:58px;height:58px;box-shadow:0 12px 25px var(--subject-glow),inset 0 1px #fff6;border-radius:17px;place-items:center;transition:transform .5s cubic-bezier(.2,.8,.2,1),box-shadow .5s;display:grid;position:relative;transform:translate(0,0)}.landing-subject-icon:before{content:"";border:1px solid #ffffff2e;border-radius:12px;transition:inset .45s cubic-bezier(.2,.8,.2,1),border-color .35s;position:absolute;inset:6px}.landing-subject-icon svg{stroke-width:1.8px;filter:drop-shadow(0 2px 3px #0002);width:28px;height:28px;transition:transform .5s cubic-bezier(.2,.8,.2,1)}.landing-subject-icon i{border:2px solid var(--subject);width:8px;height:8px;box-shadow:0 2px 8px var(--subject-glow);background:#fff;border-radius:50%;transition:transform .45s cubic-bezier(.2,.8,.2,1),box-shadow .45s;position:absolute;top:-2px;right:-2px}.subject-topic-count{border:1px solid color-mix(in srgb,var(--subject),#fff 78%);color:var(--subject);text-transform:uppercase;letter-spacing:.05em;background:#ffffffb8;border-radius:99px;padding:6px 9px;font-size:8px;font-weight:800;transition:transform .42s cubic-bezier(.2,.8,.2,1),background-color .35s,box-shadow .42s;transform:translate(0,0)}.landing-subject-grid h3{letter-spacing:-.025em;margin:19px 0 10px;font:850 18px Manrope,Arial,sans-serif;transition:color .35s}.subject-topic-list{flex-wrap:wrap;flex:1;align-content:flex-start;gap:6px;display:flex}.subject-topic-list span{text-overflow:ellipsis;white-space:nowrap;color:#69768a;background:#ffffffc7;border:1px solid #e4eaf3;border-radius:7px;max-width:100%;padding:5px 7px;font-size:8px;font-weight:650;transition:border-color .35s,background-color .35s,color .35s,transform .42s cubic-bezier(.2,.8,.2,1);overflow:hidden}.landing-subject-card>a{color:var(--subject);border-top:1px solid #e5ebf3;justify-content:space-between;align-items:center;margin-top:18px;padding-top:14px;font-size:10px;font-weight:800;text-decoration:none;display:flex}.landing-subject-card>a i{width:28px;height:28px;box-shadow:0 4px 13px var(--subject-glow);background:#fff;border-radius:9px;place-items:center;transition:transform .42s cubic-bezier(.2,.8,.2,1),background-color .35s,color .35s,box-shadow .42s;display:grid;transform:translate(0,0)}.landing-subject-card>a svg{width:13px;transition:transform .42s cubic-bezier(.2,.8,.2,1)}@media (hover:hover){.landing-subject-card:hover{border-color:color-mix(in srgb,var(--subject),#fff 62%);box-shadow:0 24px 55px var(--subject-glow);transform:translateY(-7px)}.landing-subject-card:hover:before{transform:scaleX(.72)}.landing-subject-card:hover:after{opacity:1;transform:scale(1.12)}.landing-subject-card:hover .landing-subject-icon{box-shadow:0 16px 32px var(--subject-glow),inset 0 1px #fff7;transform:translateY(-2px)scale(1.045)}.landing-subject-card:hover .landing-subject-icon:before{border-color:#ffffff45;inset:5px}.landing-subject-card:hover .landing-subject-icon svg{transform:scale(1.06)}.landing-subject-card:hover .landing-subject-icon i{box-shadow:0 3px 12px var(--subject-glow);transform:scale(1.2)}.landing-subject-card:hover .subject-topic-count{box-shadow:0 7px 18px var(--subject-glow);background:#fff;transform:translateY(-1px)}.landing-subject-card:hover h3{color:var(--subject)}.landing-subject-card:hover .subject-topic-list span{border-color:color-mix(in srgb,var(--subject),#fff 82%);background:#fff}.landing-subject-card>a:hover i{background:var(--subject);color:#fff;box-shadow:0 8px 18px var(--subject-glow);transform:translate(3px)}.landing-subject-card>a:hover i svg{transform:translate(1px)}}.subject-skeleton{border:1px solid #e1e8f3;border-radius:21px;min-height:254px;padding:22px}.subject-skeleton i{background:linear-gradient(90deg,#eef2f7,#f8fafc,#eef2f7) 0 0/200%;border-radius:8px;animation:1.4s infinite landing-shimmer;display:block}.subject-skeleton i:first-child{width:58px;height:58px}.subject-skeleton i:nth-child(2){width:60%;height:15px;margin-top:22px}.subject-skeleton i:last-child{width:85%;height:10px;margin-top:13px}@keyframes landing-shimmer{to{background-position:-200%}}.landing-stats{color:#fff;background:linear-gradient(120deg,#0e5bd9,#247be9);border-radius:20px;grid-template-columns:repeat(4,1fr);min-height:125px;margin:0 clamp(24px,6vw,96px) 95px;display:grid;box-shadow:0 22px 50px #1769e82a}.landing-stats article{border-right:1px solid #ffffff24;grid-template-rows:1fr 1fr;grid-template-columns:44px 1fr;align-items:end;column-gap:13px;padding:28px;display:grid}.landing-stats article:last-child{border:0}.landing-stats span{background:#ffffff18;border-radius:13px;grid-row:1/3;align-self:center;place-items:center;width:44px;height:44px;display:grid}.landing-stats svg{width:22px}.landing-stats strong{font:850 25px/1 Manrope,Arial,sans-serif}.landing-stats small{color:#d5e6ff;align-self:start;margin-top:5px;font-size:9px}.landing-workflow{background:var(--lp-bg);grid-template-columns:.86fr 1.14fr;align-items:center;gap:8vw;padding:105px clamp(24px,7vw,112px);display:grid}.workflow-copy h2{max-width:550px}.workflow-copy>p{max-width:570px}.landing-primary.dark{background:var(--lp-ink);color:#fff;box-shadow:none;margin-top:23px}.workflow-steps{gap:12px;display:grid}.workflow-steps article{background:#fff;border:1px solid #e0e8f4;border-radius:16px;grid-template-columns:36px 46px 1fr;align-items:center;gap:14px;padding:19px 21px;display:grid;box-shadow:0 9px 30px #20496f0a}.workflow-steps article>b{color:#8a98ab;font:800 10px Manrope}.workflow-steps article>span{width:42px;height:42px;color:var(--lp-blue);background:#eaf3ff;border-radius:11px;place-items:center;display:grid}.workflow-steps article>span svg{width:20px}.workflow-steps h3{margin:0 0 5px;font:800 15px Manrope}.workflow-steps p{color:#718096;max-width:520px;margin:0;font-size:10px;line-height:1.55}.landing-cta{color:#fff;text-align:center;background:radial-gradient(circle at 15% 20%,#4f96ef 0,#0000 27%),linear-gradient(120deg,#0a4ebf,#0c63dc);padding:90px 24px;position:relative;overflow:hidden}.landing-cta:after{content:"";background-image:radial-gradient(#fff3 1px,#0000 1px);background-size:23px 23px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(90deg,#000,#0000 35% 65%,#000);mask-image:linear-gradient(90deg,#000,#0000 35% 65%,#000)}.landing-cta>*{z-index:2;position:relative}.landing-cta>span{text-transform:uppercase;letter-spacing:.12em;color:#dcecff;justify-content:center;align-items:center;gap:7px;font-size:10px;font-weight:800;display:flex}.landing-cta>span svg{width:14px}.landing-cta h2{max-width:740px;margin:13px auto 15px}.landing-cta p{color:#d7e7ff;margin:0 0 27px}.landing-primary.light{color:#0b54c6;background:#fff;box-shadow:0 12px 28px #062e803b}.landing-footer{color:#fff;background:#091832;grid-template-columns:1fr auto 1fr;align-items:center;gap:25px;min-height:105px;padding:25px clamp(24px,7vw,112px);display:grid}.landing-footer .landing-brand{color:#fff}.landing-footer p{color:#95a5bd;font-size:10px}.landing-footer small{text-align:right;color:#75869e;font-size:9px}.login-back{color:#657287;background:0 0;border:0;align-items:center;gap:7px;margin-bottom:50px;padding:0;font-size:11px;font-weight:700;display:flex}.login-back:hover{color:#172333}.login-back svg{width:15px}.landing-visual{background:linear-gradient(90deg,#f6faff 0%,#e6f3fe 54%,#86c1ea 100%)}.landing-visual>img{object-fit:contain;object-position:right center;width:auto;max-width:none;height:100%;margin-left:auto;transform:none;-webkit-mask-image:linear-gradient(90deg,#0000 0%,#000 18% 100%);mask-image:linear-gradient(90deg,#0000 0%,#000 18% 100%)}@media (width<=1050px){.landing-header{padding:0 28px}.landing-nav a{padding:0 9px}.landing-hero{padding-left:38px;padding-right:20px}.landing-hero-copy{width:52%}.landing-hero:before{background:linear-gradient(90deg,#f8fbff 0%,#f8fbfff7 32%,#f8fbffbd 48%,#0000 70%)}.landing-visual>img{object-position:55% center}.landing-quick-features{margin:-24px 16px 0;padding:0}.landing-subject-grid{grid-template-columns:repeat(3,1fr)}.landing-workflow{grid-template-columns:1fr;gap:55px}.landing-footer{grid-template-columns:1fr auto}.landing-footer p{display:none}}@media (width<=780px){.landing-header{gap:10px;height:70px;padding:0 18px}.landing-brand b{font-size:20px}.landing-brand>span{width:36px;height:36px}.landing-nav{background:#fff;border:1px solid #e2e9f3;border-radius:14px;height:auto;padding:8px;display:none;position:absolute;top:70px;left:12px;right:12px;box-shadow:0 20px 50px #173a6526}.landing-nav.open{display:grid}.landing-nav a{border-radius:8px;padding:13px}.landing-nav a.active:after,.landing-signin.desktop{display:none}.landing-signin.mobile{justify-content:center;margin-top:5px;display:flex}.landing-menu{color:var(--lp-ink);background:0 0;border:0;flex:none;place-items:center;padding:8px;display:grid}.landing-language{margin-left:auto}.landing-language>button{height:38px}.landing-hero{flex-direction:column;width:100%;min-width:0;min-height:auto;padding:55px 21px 0;display:flex}.landing-hero:before{background:linear-gradient(#f8fbff 0%,#f8fbfff5 42%,#f8fbff8f 56%,#0000 72%)}.landing-hero-copy{text-align:center;width:100%;min-width:0;max-width:100%}.landing-kicker{white-space:normal;max-width:100%;font-size:8px}.landing-hero h1{overflow-wrap:anywhere;max-width:100%;font-size:42px}.landing-hero-copy>p{max-width:100%;font-size:14px}.landing-actions{justify-content:center}.landing-trust{flex-wrap:wrap;justify-content:center}.landing-visual{z-index:1;width:calc(100% + 42px);min-width:0;height:clamp(235px,60vw,300px);margin:28px -21px 0;position:relative;inset:auto}.landing-visual>img{object-fit:contain;object-position:center;width:100%;height:100%;margin-left:0;transform:none;-webkit-mask-image:none;mask-image:none}.landing-quick-features{grid-template-columns:1fr 1fr;gap:10px;margin:14px;padding:0}.quick-feature-card{min-height:108px;padding:18px 14px}.landing-section{padding:75px 20px}.landing-subject-grid{grid-template-columns:1fr 1fr;gap:12px}.landing-stats{grid-template-columns:1fr 1fr;margin:0 20px 75px}.landing-stats article:nth-child(2){border-right:0}.landing-stats article:nth-child(-n+2){border-bottom:1px solid #ffffff24}.landing-workflow{padding:80px 20px}.landing-footer{grid-template-columns:1fr;padding:25px 22px}.landing-footer small{text-align:left}}@media (width<=480px){.landing-language>button svg:first-child{display:none}.landing-language>button{padding:0 9px}.landing-hero h1{font-size:36px}.landing-actions{flex-direction:column;align-items:stretch}.landing-secondary{justify-content:center}.landing-trust{flex-direction:column;align-items:center}.landing-visual{height:315px}.landing-float-card{display:none}.landing-quick-features{grid-template-columns:1fr}.landing-quick-features article{border-right:0}.landing-subject-grid{grid-template-columns:1fr}.landing-subject-grid article{min-height:180px}.landing-stats{grid-template-columns:1fr}.landing-stats article{border-right:0;border-bottom:1px solid #ffffff24!important}.landing-stats article:last-child{border-bottom:0!important}.workflow-steps article{grid-template-columns:28px 40px 1fr;padding:16px 12px}.workflow-steps article>span{width:38px;height:38px}.landing-section-heading h2,.workflow-copy h2,.landing-cta h2{font-size:33px}}@media (prefers-reduced-motion:reduce){.landing-page{scroll-behavior:auto}.landing-page *{transition:none!important;animation:none!important}}.session-card-actions{grid-template-columns:1fr 1.3fr;gap:8px;display:grid}.session-card-actions button{justify-content:center;padding:9px}.variant-panel{background:#f8fafc;border-top:1px solid #e3e8ee;margin:16px -18px -18px}.variant-generator{grid-template-columns:1fr 75px auto;align-items:end;gap:12px;padding:16px;display:grid}.variant-generator>div b,.variant-generator>div span{display:block}.variant-generator>div b{font-size:12px}.variant-generator>div span{color:var(--muted);margin-top:3px;font-size:9px;line-height:1.45}.variant-generator label span{color:var(--muted);text-transform:uppercase;margin-bottom:4px;font-size:8px;font-weight:800;display:block}.variant-generator input{background:#fff;border:1px solid #d8e0e9;border-radius:7px;outline:0;width:100%;padding:8px}.variant-generator>.primary{padding:9px 13px}.variant-list{border-top:1px solid #e5eaf0}.variant-row{background:#fff;border-bottom:1px solid #e7ebf0;grid-template-columns:auto minmax(130px,1fr) auto auto;align-items:center;gap:9px;padding:11px 16px;display:grid}.variant-row:last-child{border-bottom:0}.variant-letter{color:#14849d;background:#e6f7fb;border-radius:8px;place-items:center;width:34px;height:34px;font:800 14px Manrope;display:grid}.variant-row>div b,.variant-row>div code,.variant-row>div small{display:block}.variant-row>div b{font-size:10px}.variant-row>div code{letter-spacing:.04em;color:#315bd0;margin:2px 0;font:800 10px Manrope}.variant-row>div small{color:var(--muted);font-size:8px}.variant-row button{padding:7px 8px;font-size:9px}.variant-row button svg{width:13px}.variant-empty{color:#8a97a7;flex-direction:column;justify-content:center;align-items:center;min-height:115px;display:flex}.variant-empty svg{color:#6c8fe8;margin-bottom:7px}.variant-empty b{color:#536176;font-size:10px}.variant-empty span{margin-top:3px;font-size:8px}.session-card:has(.variant-panel){grid-column:span 2}.session-card:has(.variant-panel) .variant-list{max-height:310px;overflow:auto}@media (width<=1100px){.session-card:has(.variant-panel){grid-column:1/-1}}@media (width<=650px){.variant-generator{grid-template-columns:1fr 70px}.variant-generator>div{grid-column:1/-1}.variant-generator>.primary{height:38px}.variant-row{grid-template-columns:auto 1fr}.variant-row button{justify-content:center}.session-card-actions{grid-template-columns:1fr}.variant-row button:first-of-type{grid-column:1/2}.variant-row button:last-of-type{grid-column:2/3}}.toolbar{flex-wrap:wrap}.toolbar .search{flex:280px}.filter-clear{white-space:nowrap;align-items:center;gap:4px;padding:0 6px;display:flex}.filter-clear svg{width:13px}.question-subject-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.question-subject-card{--subject:#2563eb;--subject-soft:#eff6ff;appearance:none;border:1px solid color-mix(in srgb, var(--subject), white 78%);background:linear-gradient(145deg, #fff 58%, var(--subject-soft));color:#17233a;text-align:left;border-radius:16px;min-height:330px;padding:20px;transition:transform .28s cubic-bezier(.2,.8,.2,1),box-shadow .28s,border-color .28s;position:relative;overflow:hidden;box-shadow:0 8px 28px #173e6c0c}.question-subject-card:before{content:"";background:linear-gradient(90deg, var(--subject), color-mix(in srgb, var(--subject), white 48%));height:3px;position:absolute;inset:0 0 auto}.question-subject-card:hover{border-color:color-mix(in srgb, var(--subject), white 58%);box-shadow:0 18px 42px color-mix(in srgb, var(--subject), transparent 86%);transform:translateY(-4px)}.question-subject-card.math{--subject:#1769e8;--subject-soft:#edf5ff}.question-subject-card.physics{--subject:#6549db;--subject-soft:#f2efff}.question-subject-card.chemistry{--subject:#e8870b;--subject-soft:#fff6e6}.question-subject-card.biology{--subject:#11a162;--subject-soft:#eaf9f1}.question-subject-card.geography{--subject:#078ea7;--subject-soft:#e9f9fb}.question-subject-card.history{--subject:#c88b0b;--subject-soft:#fff8e5}.question-subject-card.computer{--subject:#6c42d8;--subject-soft:#f2edff}.question-subject-card.language{--subject:#d74773;--subject-soft:#fff0f4}.question-subject-top{justify-content:space-between;align-items:flex-start;gap:14px;display:flex}.question-subject-icon{background:var(--subject);color:#fff;width:48px;height:48px;box-shadow:0 9px 21px color-mix(in srgb, var(--subject), transparent 76%);border-radius:13px;place-items:center;display:grid}.question-subject-icon svg{width:23px;height:23px}.question-subject-top strong{color:var(--subject);text-align:right;font:850 28px/1 Manrope,sans-serif}.question-subject-top strong small{color:#8491a3;text-transform:uppercase;letter-spacing:.08em;margin-top:4px;font:700 8px/1.2 DM Sans,sans-serif;display:block}.question-subject-card h2{color:#17233a;margin:17px 0 5px;font:800 19px/1.25 Manrope,sans-serif}.question-subject-card>p{color:#7a8799;min-height:17px;margin:0 0 17px;font-size:10px}.question-card-breakdown{margin-top:12px}.question-card-breakdown>span{color:#8290a3;text-transform:uppercase;letter-spacing:.09em;margin-bottom:7px;font-size:8px;font-weight:800;display:block}.question-card-breakdown>div{flex-wrap:wrap;gap:5px;display:flex}.question-card-breakdown i{color:#56657a;background:#ffffffd9;border:1px solid #e0e7f0;border-radius:7px;align-items:center;gap:5px;padding:5px 7px;font-size:9px;font-style:normal;display:inline-flex}.question-card-breakdown i b{color:var(--subject);font-size:9px}.question-card-breakdown em{color:#a2adba;font-style:normal}.question-subject-card footer{color:var(--subject);border-top:1px solid #e2e9f2;justify-content:space-between;align-items:center;margin-top:18px;padding-top:13px;font-size:10px;font-weight:800;display:flex}.question-subject-card footer svg{width:15px;transition:transform .2s}.question-subject-card:hover footer svg{transform:translate(3px)}.question-subject-empty{grid-column:1/-1}.subject-list-heading{align-items:center;gap:14px;margin:4px 0 14px;display:flex}.subject-list-heading>div b,.subject-list-heading>div span{display:block}.subject-list-heading>div b{color:#1e2b3d;font:800 15px Manrope,sans-serif}.subject-list-heading>div span{color:#7c899b;margin-top:3px;font-size:10px}@media (width<=760px){.toolbar .select{width:100%}.filter-clear{justify-content:center;padding:8px}.question-subject-grid{grid-template-columns:1fr}.question-subject-card{min-height:0}.subject-list-heading{flex-direction:column;align-items:flex-start}}@media (width>=761px) and (width<=1120px){.question-subject-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff)format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff)format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff)format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff)format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff)format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff)format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2)format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff)format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff)format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2)format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff)format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff)format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff)format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff)format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff)format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff)format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff)format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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)format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff)format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff)format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff)format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.17.0"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.newline{display:block}.katex .base{white-space:nowrap;width:min-content;position:relative}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{flex-direction:row;display:inline-flex}.katex .thinbox{width:0;max-width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}@font-face{font-display:"swap";font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2)format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2)format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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)format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2")}:root{--ML__static-fonts:true;color:#172333;font-synthesis:none;--navy:#122033;--blue:#3366e8;--line:#e2e8f0;--muted:#6d7b8e;--card:#fff;background:#f3f6f9;font-family:DM Sans,sans-serif}*{box-sizing:border-box}body{min-width:320px;margin:0}button,input,textarea,select{font:inherit}button{cursor:pointer}svg{width:18px;height:18px}.app-shell{min-height:100vh}.sidebar{background:var(--navy);color:#cbd5e1;z-index:30;flex-direction:column;width:250px;padding:25px 18px;display:flex;position:fixed;inset:0 auto 0 0}.brand{align-items:center;gap:12px;padding:0 8px 28px;display:flex}.brand-mark{color:#fff;background:#3264e6;border-radius:12px;place-items:center;width:42px;height:42px;display:grid}.brand-mark svg{width:25px;height:25px}.brand b{color:#fff;font:800 19px Manrope;display:block}.brand span{color:#8190a5;font-size:12px}.sidebar nav{gap:5px;display:grid}.nav-item{color:#9facbd;text-align:left;background:0 0;border:0;border-radius:9px;align-items:center;gap:12px;padding:12px 13px;font-weight:600;display:flex}.nav-item:hover,.nav-item.active{color:#fff;background:#213149}.nav-item.active{box-shadow:inset 3px 0 #5c86ff}.sidebar-foot{border-top:1px solid #29394d;align-items:center;gap:8px;margin-top:auto;padding:20px 9px 0;font-size:12px;display:flex}.status-dot{background:#31c48d;border-radius:50%;width:8px;height:8px;box-shadow:0 0 0 4px #31c48d20}.main{margin-left:250px}.topbar{border-bottom:1px solid var(--line);z-index:15;background:#fff;align-items:center;height:68px;padding:0 32px;display:flex;position:sticky;top:0}.crumb{color:#7c899a;font-size:14px}.crumb span{color:#c0c8d2;padding:0 8px}.admin-chip{align-items:center;gap:9px;margin-left:auto;display:flex}.admin-chip>span{color:#3254bc;background:#e8edff;border-radius:50%;place-items:center;width:35px;height:35px;font-size:12px;font-weight:700;display:grid}.admin-chip b,.admin-chip small{display:block}.admin-chip b{font-size:13px}.admin-chip small{color:var(--muted);font-size:11px}.content{max-width:1500px;margin:auto;padding:35px}.page-title{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:27px;display:flex}.page-title>div:first-child>span{color:var(--blue);letter-spacing:.12em;text-transform:uppercase;font-size:11px;font-weight:800}.page-title h1{margin:5px 0;font:800 30px Manrope}.page-title p{color:var(--muted);margin:0}.primary,.secondary{border:0;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:11px 16px;font-weight:700;display:inline-flex}.primary{background:var(--blue);color:#fff;box-shadow:0 4px 12px #3366e830}.primary:hover{background:#2858d8}.primary:disabled{opacity:.6}.secondary{color:#435067;background:#fff;border:1px solid #dce3eb}.title-actions{gap:9px;display:flex}.panel{background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:0 2px 7px #17233308}.metrics{grid-template-columns:repeat(4,1fr);gap:17px;margin-bottom:20px;display:grid}.metric{border:1px solid var(--line);background:#fff;border-radius:11px;align-items:center;gap:14px;padding:19px;display:flex}.metric-icon{border-radius:10px;place-items:center;width:45px;height:45px;display:grid}.metric-icon.blue{color:#3366e8;background:#eaf0ff}.metric-icon.green{color:#13996b;background:#e5f8f1}.metric-icon.amber{color:#d38400;background:#fff2da}.metric-icon.purple{color:#8057d6;background:#f0eaff}.metric span,.metric strong{display:block}.metric span{color:var(--muted);margin-bottom:3px;font-size:12px}.metric strong{font:800 25px Manrope}.dashboard-grid{grid-template-columns:1.65fr 1fr;gap:20px;display:grid}.panel-head{border-bottom:1px solid #edf1f5;justify-content:space-between;align-items:center;gap:15px;padding:20px 22px;display:flex}.panel-head h2{margin:0;font:700 16px Manrope}.panel-head p{color:var(--muted);margin:4px 0 0;font-size:12px}.text-button{color:var(--blue);background:0 0;border:0;font-size:12px;font-weight:700}.recent-row{border-bottom:1px solid #edf1f5;grid-template-columns:auto 1fr auto 70px;align-items:center;gap:12px;padding:14px 21px;display:grid}.question-symbol{color:#4265c8;background:#edf2ff;border-radius:8px;place-items:center;width:36px;height:36px;font:800 13px Manrope;display:grid}.recent-row b,.recent-row span{display:block}.recent-row b{white-space:nowrap;text-overflow:ellipsis;max-width:430px;font-size:13px;overflow:hidden}.recent-row span{color:var(--muted);margin-top:3px;font-size:11px}.recent-row time{color:var(--muted);font-size:11px}.difficulty{text-transform:capitalize;border-radius:20px;padding:4px 9px;font-weight:800;font-size:10px!important;display:inline-block!important}.difficulty.easy{color:#158260;background:#e6f8f1}.difficulty.medium{color:#b66c00;background:#fff2dc}.difficulty.hard{color:#c34242;background:#ffe8e8}.coverage{padding-bottom:16px}.coverage-row{padding:12px 21px}.coverage-row>div:first-child{justify-content:space-between;font-size:12px;display:flex}.coverage-row span{color:var(--muted)}.bar{background:#edf1f5;border-radius:4px;height:6px;margin-top:8px;overflow:hidden}.bar i{background:#5275dd;border-radius:4px;height:100%;display:block}.toolbar{gap:10px;margin-bottom:16px;padding:14px;display:flex}.search{color:#8d99aa;border:1px solid #dce3eb;border-radius:8px;flex:1;align-items:center;min-width:260px;padding:0 12px;display:flex}.search input{background:0 0;border:0;outline:0;width:100%;padding:10px}.select{min-width:145px;position:relative}.select select{appearance:none;color:#354256;background:#fff;border:1px solid #dce3eb;border-radius:8px;outline:0;width:100%;padding:10px 34px 10px 11px}.select svg{pointer-events:none;color:#8693a4;width:15px;position:absolute;top:11px;right:10px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;min-width:900px}th{text-align:left;color:#788699;text-transform:uppercase;letter-spacing:.07em;border-bottom:1px solid var(--line);background:#f8fafc;padding:11px 15px;font-size:10px}td{color:#495669;border-bottom:1px solid #edf1f5;padding:13px 15px;font-size:12px}td small,td b{display:block}td small{color:var(--muted);margin-top:3px}.question-link{text-align:left;color:#1e2a3c;background:0 0;border:0;align-items:center;gap:9px;max-width:410px;font-weight:600;display:flex}.question-link>span:last-child{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.image-indicator{color:#5b67a8;background:#edf0ff;border-radius:4px;padding:4px;font-size:8px}.row-actions{gap:3px;display:flex}.row-actions button,.icon-button{color:#788699;background:0 0;border:0;border-radius:6px;place-items:center;width:30px;height:30px;display:grid}.row-actions button:hover,.icon-button:hover{color:#315dd0;background:#edf2f7}.row-actions svg,.icon-button svg{width:15px}.row-actions .danger-icon:hover{color:#d84646;background:#fff0f0}.empty{text-align:center;color:var(--muted);flex-direction:column;align-items:center;gap:7px;padding:40px 20px;display:flex}.empty svg{color:#aab5c3;width:35px;height:35px}.empty b{color:#3c485a}.empty span{font-size:12px}.editor-layout{grid-template-columns:minmax(0,1fr) 330px;align-items:start;gap:20px;display:grid}.editor-main{gap:20px;display:grid}.form-card{overflow:hidden}.form-card>.field,.form-card>.image-field{margin:20px 22px}.field{display:block}.field>span{color:#546174;justify-content:space-between;margin-bottom:7px;font-size:11px;font-weight:700;display:flex}.field em{color:#9aa5b3;font-weight:400}.field input,.field textarea,.option-editor input{resize:vertical;border:1px solid #dce3eb;border-radius:8px;outline:0;width:100%;padding:11px}.field input:focus,.field textarea:focus,.option-editor input:focus{border-color:#7391e6;box-shadow:0 0 0 3px #5275dd16}.image-field{color:#67768b;cursor:pointer;border:1px dashed #cbd5e1;border-radius:9px;justify-content:center;align-items:center;gap:10px;min-height:74px;display:flex}.image-field>svg{color:#5275dd}.image-field span{font-size:12px;font-weight:600}.image-field small{color:#99a4b2;margin-top:3px;font-weight:400;display:block}.image-field input{display:none}.image-field.has-image{justify-content:flex-start;padding:8px}.image-field.has-image img{object-fit:cover;border-radius:6px;width:52px;height:52px}.image-field.has-image span{flex:1}.image-field.has-image button{background:#f0f3f7;border:0;border-radius:6px;width:28px;height:28px}.image-field.compact{justify-content:flex-start;min-height:35px;margin:7px 0 0;padding:6px 9px}.image-field.compact svg{width:14px}.image-field.compact.has-image img{width:30px;height:30px}.options-list{gap:9px;padding:17px 20px 0;display:grid}.option-editor{background:#fbfcfd;border:1px solid #e0e6ee;border-radius:9px;align-items:flex-start;gap:9px;padding:10px;display:flex}.option-editor.correct{background:#f4fcf8;border-color:#69b79c}.correct-radio{background:#fff;border:2px solid #aeb9c7;border-radius:50%;place-items:center;width:22px;height:22px;margin-top:8px;padding:2px;display:grid}.correct-radio svg{color:#16805b;width:13px}.correct .correct-radio{border-color:#20a477}.option-label{color:#526076;background:#e9edf3;border-radius:7px;place-items:center;width:34px;height:34px;margin-top:2px;font-weight:800;display:grid}.option-content{flex:1}.add-option{color:#4869c8;background:#f8faff;border:1px dashed #b9c5d5;border-radius:8px;justify-content:center;align-items:center;gap:6px;width:calc(100% - 40px);margin:13px 20px 20px;padding:10px;font-weight:700;display:flex}.editor-aside{padding-bottom:20px;position:sticky;top:88px}.editor-aside>.field{margin:18px 20px}.segmented{border:1px solid #dce3eb;border-radius:8px;grid-template-columns:repeat(3,1fr);padding:3px;display:grid}.segmented button{text-transform:capitalize;background:0 0;border:0;border-radius:6px;padding:8px;font-size:11px}.segmented button.active{color:#315bd0;background:#eaf0ff;font-weight:700}.editor-help{color:#53627a;background:#f0f5ff;border-radius:8px;gap:9px;margin:20px;padding:12px;display:flex}.editor-help svg{color:#3b65d5}.editor-help b{font-size:11px}.editor-help p{margin:3px 0 0;font-size:10px}.cancel{width:calc(100% - 40px);margin:0 20px}.validation-error,.alert{color:#ad3d3d;background:#fff1f1;border:1px solid #f5c4c4;border-radius:8px;margin-bottom:15px;padding:12px 15px;font-size:13px}.alert button{float:right;color:inherit;background:0 0;border:0;font-weight:700}.settings-layout{grid-template-columns:250px 1fr;align-items:start;gap:20px;display:grid}.settings-tabs{gap:4px;padding:8px;display:grid}.settings-tabs button{text-align:left;color:#657287;background:0 0;border:0;border-radius:7px;align-items:center;gap:10px;padding:12px;font-size:12px;font-weight:600;display:flex}.settings-tabs button.active{color:#315bd0;background:#eaf0ff}.settings-content{min-height:440px;overflow:hidden}.inline-add{gap:7px;display:flex}.inline-add input{border:1px solid #dce3eb;border-radius:7px;outline:0;padding:9px 11px}.inline-add .primary{padding:9px 12px}.subject-list{gap:12px;padding:18px;display:grid}.subject-card{border:1px solid #e2e8f0;border-radius:9px}.subject-heading{justify-content:space-between;align-items:center;padding:12px;display:flex}.subject-heading>div:first-child{align-items:center;gap:10px;display:flex}.subject-icon,.language-symbol{color:#315bd0;background:#eaf0ff;border-radius:7px;place-items:center;width:35px;height:35px;font-size:10px;font-weight:800;display:grid}.subject-heading b,.subject-heading span{display:block}.subject-heading b{font-size:13px}.subject-heading span{color:var(--muted);margin-top:2px;font-size:10px}.chips{background:#fafbfd;border-top:1px solid #edf1f5;flex-wrap:wrap;gap:6px;padding:10px 12px;display:flex}.chips>span{background:#fff;border:1px solid #dfe5ec;border-radius:20px;align-items:center;gap:5px;padding:5px 6px 5px 10px;font-size:10px;display:flex}.chips button{color:#8995a5;background:0 0;border:0;padding:0;display:grid}.chips svg{width:11px;height:11px}.chips i{color:#98a3b1;font-size:11px}.config-list{gap:8px;padding:18px;display:grid}.config-list>div{border:1px solid #e2e8f0;border-radius:8px;align-items:center;gap:12px;padding:10px;display:flex}.config-list b{flex:1;font-size:13px}.config-list .text-button{margin-left:auto}.default-badge{color:#158260;background:#e6f8f1;border-radius:20px;padding:4px 8px;font-size:9px}.grade-grid{grid-template-columns:repeat(4,1fr);gap:9px;padding:22px;display:grid}.grade-grid button{color:#788596;background:#fff;border:1px solid #dfe5ec;border-radius:8px;padding:11px}.grade-grid button svg{display:none}.grade-grid button.active{color:#315bd0;background:#eef3ff;border-color:#7c97e3;font-weight:700}.grade-grid button.active svg{vertical-align:middle;width:13px;margin-right:5px;display:inline}.settings-content hr{border:0;border-top:1px solid #edf1f5}.defaults-grid{grid-template-columns:1fr 1fr;gap:20px;padding:22px;display:grid}.preview{min-width:650px;max-width:850px}.preview-head{color:#fff;background:#142237;justify-content:space-between;align-items:center;padding:18px 24px;display:flex}.preview-head>span{font:700 15px Manrope}.preview-head>div{align-items:center;gap:7px;display:flex}.preview-head b{background:#ffffff12;border-radius:15px;padding:5px 8px;font-size:10px}.preview-body{padding:35px}.preview-body>small{color:#4267ce;font-weight:700}.preview-body h2{margin:10px 0 20px;font:700 22px/1.45 Manrope}.preview-body>img{object-fit:contain;border-radius:8px;max-width:100%;max-height:330px;margin-bottom:20px}.preview-options{gap:10px;display:grid}.preview-options>div{border:1px solid #dfe5ed;border-radius:9px;align-items:center;gap:12px;padding:12px;display:flex}.preview-options>div>span{color:#657287;border:1px solid #cbd5e1;border-radius:50%;place-items:center;width:32px;height:32px;font-weight:700;display:grid}.preview-options>div>div{flex:1}.preview-options img{border-radius:5px;max-width:180px;max-height:110px;margin-top:8px;display:block}.modal-backdrop{z-index:100;background:#0f1c2bbb;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.modal{background:#fff;border-radius:13px;max-height:90vh;position:relative;overflow:hidden auto;box-shadow:0 25px 60px #0005}.modal-close{z-index:2;color:#fff;background:#ffffff18;border:0;border-radius:7px;place-items:center;width:32px;height:32px;display:grid;position:absolute;top:13px;right:14px}.toast{color:#fff;z-index:120;background:#172333;border-radius:9px;align-items:center;gap:8px;padding:12px 17px;font-size:12px;display:flex;position:fixed;bottom:22px;right:22px;box-shadow:0 10px 30px #0003}.toast svg{color:#4adea5}.loading{height:60vh;color:var(--muted);place-content:center;justify-items:center;gap:12px;display:grid}.loading div{border:3px solid #dfe5ee;border-top-color:#3465e7;border-radius:50%;width:30px;height:30px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.menu-button,.scrim{display:none}.session-summary{gap:12px;margin-bottom:18px;display:flex}.session-summary>div{border:1px solid var(--line);color:#4266cb;background:#fff;border-radius:9px;align-items:center;gap:10px;padding:12px 17px;display:flex}.session-summary span,.session-summary b{display:block}.session-summary span{color:var(--muted);font-size:10px}.session-summary b{color:#172333;font:800 18px Manrope}.session-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:17px;display:grid}.session-card{padding:18px}.session-card-head{grid-template-columns:auto 1fr auto;align-items:start;gap:11px;display:grid}.session-calendar{color:#315bd0;background:#eaf0ff;border-radius:9px;place-items:center;width:42px;height:42px;display:grid}.session-card-head h2{margin:5px 0 2px;font:700 15px Manrope}.session-card-head small{color:var(--muted);font-size:10px}.status-badge{text-transform:uppercase;letter-spacing:.08em;color:#a96400;background:#fff0d9;border-radius:10px;padding:3px 6px;font-size:8px;font-weight:800}.session-stats{background:#fafbfd;border:1px solid #e7ebf0;border-radius:8px;grid-template-columns:repeat(3,1fr);margin:17px 0;display:grid}.session-stats>div{text-align:center;border-right:1px solid #e7ebf0;padding:11px 5px}.session-stats>div:last-child{border:0}.session-stats strong,.session-stats span{display:block}.session-stats strong{font:800 18px Manrope}.session-stats span{color:var(--muted);font-size:9px}.session-taxonomy>span{color:#8a96a6;text-transform:uppercase;margin:9px 0 5px;font-size:9px;font-weight:800;display:block}.session-taxonomy>div{flex-wrap:wrap;gap:5px;display:flex}.session-taxonomy i{color:#4265c7;background:#edf2ff;border-radius:12px;padding:4px 7px;font-size:9px;font-style:normal}.session-taxonomy p{color:#58667a;margin:0;font-size:11px}.pool-status{border-radius:8px;align-items:center;gap:9px;margin:15px 0;padding:10px;display:flex}.pool-status.enough{color:#18785a;background:#eaf9f3}.pool-status.short{color:#bb4f3d;background:#fff0ed}.pool-status svg{flex:none}.pool-status b,.pool-status span{display:block}.pool-status b{font-size:10px}.pool-status span{margin-top:2px;font-size:9px}.session-edit{width:100%;padding:9px}.session-empty{text-align:center;flex-direction:column;grid-column:1/-1;justify-content:center;align-items:center;min-height:330px;display:flex}.session-empty>svg{color:#8da1d5;width:46px;height:46px}.session-empty h2{margin:12px 0 5px;font:700 18px Manrope}.session-empty p{color:var(--muted);margin:0 0 18px;font-size:12px}.session-editor-layout{grid-template-columns:minmax(0,1fr) 310px;align-items:start;gap:20px;display:grid}.session-form{overflow:hidden}.session-fields{grid-template-columns:1fr 190px;gap:16px;padding:21px;display:grid}.selection-block{border-top:1px solid #edf1f5;padding:21px}.selection-block>div:first-child>b,.selection-block>div:first-child>span{display:block}.selection-block>div:first-child>b{font-size:12px}.selection-block>div:first-child span{color:var(--muted);margin:3px 0 12px;font-size:10px}.selection-block em{color:#9aa5b3;font-weight:400}.selection-grid.subjects{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.selection-grid.subjects button{text-align:left;background:#fff;border:1px solid #dfe5ed;border-radius:8px;align-items:center;gap:8px;padding:10px;display:flex;position:relative}.selection-grid.subjects button>span{color:#6e7c90;background:#eef2f7;border-radius:6px;place-items:center;width:29px;height:29px;font-size:8px;font-weight:800;display:grid}.selection-grid.subjects button>b{font-size:10px}.selection-grid.subjects button>svg{color:#315bd0;width:12px;position:absolute;top:7px;right:7px}.selection-grid.subjects button.selected{background:#f3f6ff;border-color:#7895e6}.class-selection{flex-wrap:wrap;gap:7px;display:flex}.class-selection button{color:#657287;background:#fff;border:1px solid #dfe5ed;border-radius:18px;padding:7px 11px;font-size:10px}.class-selection button.selected{color:#315bd0;background:#edf2ff;border-color:#7895e6;font-weight:700}.class-selection svg{vertical-align:middle;width:11px;height:11px;margin-right:4px}.clear-classes{margin-top:10px;padding:0}.pool-preview{position:sticky;top:88px;overflow:hidden}.pool-meter{text-align:center;padding:24px}.pool-meter strong,.pool-meter span{display:block}.pool-meter strong{font:800 42px Manrope}.pool-meter span{color:var(--muted);font-size:11px}.pool-meter>div{background:#e8edf2;border-radius:5px;height:7px;margin:16px 0 6px;overflow:hidden}.pool-meter i{background:#d85f49;height:100%;display:block}.pool-meter.enough i{background:#27a67a}.pool-meter small{color:var(--muted);font-size:9px}.pool-breakdown{border-top:1px solid #edf1f5;padding:18px}.pool-breakdown>b{margin-bottom:9px;font-size:11px;display:block}.pool-breakdown>div{border-bottom:1px solid #f0f3f6;justify-content:space-between;padding:7px 0;font-size:10px;display:flex}.pool-breakdown p{color:var(--muted);font-size:10px}.pool-note{border-radius:8px;gap:8px;margin:0 17px 17px;padding:11px;display:flex}.pool-note.enough{color:#18785a;background:#eaf9f3}.pool-note.short{color:#a94838;background:#fff0ed}.pool-note svg{flex:none}.pool-note p{margin:0;font-size:9px;line-height:1.4}@media (width<=1100px){.metrics{grid-template-columns:repeat(2,1fr)}.dashboard-grid,.editor-layout,.session-editor-layout{grid-template-columns:1fr}.editor-aside,.pool-preview{position:static}.settings-layout{grid-template-columns:1fr}.settings-tabs{display:flex;overflow:auto}.settings-tabs button{white-space:nowrap}.session-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=760px){.sidebar{transition:all .2s;transform:translate(-100%)}.sidebar.open{transform:none}.main{margin-left:0}.content{padding:22px 15px}.topbar{padding:0 14px}.menu-button{margin-right:8px;display:grid}.scrim{z-index:20;background:#0005;display:block;position:fixed;inset:0}.page-title{flex-direction:column;align-items:flex-start}.page-title h1{font-size:25px}.page-title>button,.title-actions{width:100%}.title-actions>button{flex:1}.metrics{grid-template-columns:1fr 1fr;gap:10px}.metric{padding:13px}.metric-icon{width:38px;height:38px}.toolbar{flex-direction:column}.search{min-width:0}.table-wrap{border-radius:0;margin-left:-15px;margin-right:-15px}.admin-chip div{display:none}.settings-tabs{border-radius:8px}.panel-head{flex-direction:column;align-items:flex-start}.inline-add{width:100%}.inline-add input{flex:1;min-width:0}.grade-grid{grid-template-columns:repeat(2,1fr)}.defaults-grid{grid-template-columns:1fr}.preview{min-width:0}.modal-backdrop{padding:8px}.modal{width:100%}.preview-body{padding:25px 18px}.recent-row{grid-template-columns:auto 1fr auto}.recent-row time{display:none}.recent-row b{max-width:190px}.session-grid{grid-template-columns:1fr}.session-summary{grid-template-columns:1fr 1fr;display:grid}.session-fields{grid-template-columns:1fr}.selection-grid.subjects{grid-template-columns:repeat(2,1fr)}}@media (width<=440px){.metrics{grid-template-columns:1fr}.crumb{font-size:12px}.settings-tabs span,.preview-head>div b{display:none}}.calculated-total{background:#f8fafc;border:1px solid #dfe5ed;border-radius:8px;flex-direction:column;justify-content:center;padding:10px 13px;display:flex}.calculated-total span{color:var(--muted);text-transform:uppercase;font-size:9px;font-weight:800}.calculated-total b{margin-top:3px;font-size:12px}.subject-rule-table{border:1px solid #dfe5ed;border-radius:8px;margin-top:16px;overflow:hidden}.subject-rule-group{border-top:1px solid #dce3eb}.subject-rule-group:first-of-type{border-top:0}.rule-header,.rule-row{grid-template-columns:minmax(130px,1.4fr) minmax(80px,.7fr) minmax(100px,.8fr) minmax(90px,.7fr);align-items:center;gap:10px;padding:9px 12px;display:grid}.rule-header{color:#7b8798;text-transform:uppercase;background:#f5f7fa;font-size:8px;font-weight:800}.rule-row{border-top:1px solid #e8edf2}.subject-rule-group>.rule-row:first-child{border-top:0}.mixed-rule{background:#fbfcfe}.subsubject-rule{padding-left:24px}.subsubject-rule>div:first-child{position:relative}.subsubject-rule>div:first-child:before{content:"↳";color:#8b98a9;position:absolute;left:-13px}.rule-row b,.rule-row small{display:block}.rule-row b{font-size:11px}.rule-row small,.pool-breakdown small{color:var(--muted);margin-top:2px;font-size:8px}.rule-row input{border:1px solid #dbe2ea;border-radius:6px;outline:0;width:100%;padding:7px;font-size:11px}.rule-row>strong,.rule-score>strong{text-align:center;font:700 13px Manrope}.rule-score{justify-content:center;align-items:center;gap:6px;display:flex}.rule-score button{color:#bd4b3c;background:#fff0ed;border:0;border-radius:6px;place-items:center;width:24px;height:24px;display:grid}.rule-score svg{width:12px}.add-subsubject-rule{background:#f8fafc;border-top:1px dashed #dce3eb;justify-content:space-between;align-items:center;gap:12px;padding:9px 12px 9px 24px;display:flex}.add-subsubject-rule>span{color:var(--muted);font-size:9px}.add-subsubject-rule .select{min-width:190px}.available{color:#16805b!important}.insufficient{color:#c3483b!important}.pool-breakdown span small{display:block}@media (width<=650px){.subject-rule-table{overflow-x:auto}.rule-header,.rule-row,.add-subsubject-rule{min-width:580px}}.login-shell{background:#fff;grid-template-columns:minmax(380px,1fr) minmax(480px,1fr);min-height:100vh;display:grid}.login-art{color:#fff;background:linear-gradient(145deg,#101c2d,#1a3151);place-items:center;padding:60px;display:grid;position:relative;overflow:hidden}.login-art:before,.login-art:after{content:"";border:1px solid #ffffff13;border-radius:50%;position:absolute}.login-art:before{width:600px;height:600px;bottom:-280px;left:-250px}.login-art:after{width:430px;height:430px;top:-160px;right:-230px}.login-art-content{z-index:1;max-width:520px;position:relative}.login-brand{margin-bottom:80px;padding:0}.login-art h1{margin:0 0 20px;font:800 42px/1.22 Manrope}.login-art p{color:#aab8ca;max-width:430px;line-height:1.7}.security-note{color:#9fb2cb;align-items:center;gap:10px;margin-top:50px;font-size:11px;display:flex}.security-note svg{color:#66d6aa}.login-main{place-items:center;padding:40px;display:grid}.login-card{width:100%;max-width:400px}.login-eyebrow{text-transform:uppercase;letter-spacing:.12em;color:#3366e8;font-size:10px;font-weight:800}.login-card h2{margin:8px 0;font:800 30px Manrope}.login-card>p{color:var(--muted);margin:0 0 28px}.login-card .field{margin-bottom:17px}.login-card .field input{padding:13px}.login-submit{width:100%;margin-top:5px;padding:13px}.login-card>small{text-align:center;color:#98a3b1;margin-top:20px;display:block}.teacher-form{margin-bottom:18px;overflow:hidden}.teacher-form>.validation-error{margin:15px 20px 0}.teacher-fields{grid-template-columns:1fr 1fr 1fr auto;align-items:end;gap:12px;padding:20px;display:grid}.teacher-fields>.primary{height:42px}.users-panel{overflow:hidden}.user-list{padding:8px 18px}.user-row{border-bottom:1px solid #edf1f5;grid-template-columns:auto minmax(180px,1fr) 100px 90px 110px;align-items:center;gap:12px;padding:13px 4px;display:grid}.user-avatar{color:#315bd0;background:#eaf0ff;border-radius:9px;place-items:center;width:38px;height:38px;font-size:10px;font-weight:800;display:grid}.user-avatar.super{color:#7548c4;background:#f2eaff}.user-row>div:nth-child(2) b,.user-row>div:nth-child(2) span{display:block}.user-row>div:nth-child(2) b{font-size:12px}.user-row>div:nth-child(2) span{color:var(--muted);margin-top:2px;font-size:10px}.role-badge{text-align:center;color:#64748b;background:#eef2f7;border-radius:12px;padding:5px 8px;font-size:9px}.role-badge.superadmin{color:#7548c4;background:#f2eaff}.account-status{color:#8995a5;align-items:center;gap:5px;font-size:10px;display:flex}.account-status i{background:#aeb8c5;border-radius:50%;width:7px;height:7px}.account-status.active{color:#167755}.account-status.active i{background:#24ad7d}.user-row>.secondary{padding:7px 10px;font-size:10px}.user-row>.deactivate{color:#b24747;border-color:#efcccc}.protected-account{color:#8a6cb7;align-items:center;gap:4px;font-size:9px;display:flex}.protected-account svg{width:13px}.admin-chip>.icon-button{margin-left:4px}@media (width<=900px){.login-shell{grid-template-columns:1fr}.login-art{display:none}.login-main{min-height:100vh}.teacher-fields{grid-template-columns:1fr 1fr}.user-row{grid-template-columns:auto 1fr auto}.user-row>.role-badge,.user-row>.account-status{display:none}.user-row>.secondary,.protected-account{grid-column:2/-1;justify-self:start}}@media (width<=560px){.teacher-fields{grid-template-columns:1fr}.login-main{padding:25px}.user-list{padding:8px 12px}}.testivo-lockup{align-items:center;gap:11px;min-width:0;display:flex}.testivo-lockup>svg{filter:drop-shadow(0 6px 10px #1769ff25);flex:none;width:43px;height:43px;overflow:visible}.testivo-lockup>div{min-width:0}.testivo-lockup b,.testivo-lockup span{display:block}.testivo-lockup b{color:inherit;letter-spacing:-.045em;font:850 20px/1 Manrope,Arial,sans-serif}.testivo-lockup span{color:#8190a5;margin-top:5px;font-size:10px;line-height:1}.testivo-lockup.compact>svg{width:41px;height:41px}.testivo-lockup.compact b{font-size:23px}.brand>.testivo-lockup{padding:0}.sidebar .testivo-lockup{color:#fff}.sidebar .testivo-lockup span{color:#8190a5}.login-brand .testivo-lockup b{color:#fff}.login-brand .testivo-lockup span{color:#9fb0c5;letter-spacing:.01em}.landing-brand>.testivo-lockup{gap:10px}.landing-brand>.testivo-lockup b{color:inherit}.landing-footer .testivo-lockup span{color:#93a4ba}@media (width<=780px){.testivo-lockup.compact>svg{width:36px;height:36px}.testivo-lockup.compact b{font-size:20px}}.option-editor textarea{resize:vertical;width:100%;font:inherit;border:1px solid #dce3eb;border-radius:8px;outline:0;padding:11px}.option-editor textarea:focus{border-color:#7391e6;box-shadow:0 0 0 3px #5275dd16}.preview-body h2,.preview-options b{white-space:pre-wrap;overflow-wrap:anywhere}.image-field{cursor:default;background:linear-gradient(135deg,#fbfdff,#f6f9ff);border-color:#c5d2e3;flex-wrap:wrap;justify-content:flex-start;gap:12px;min-height:96px;padding:14px;transition:border-color .2s,background-color .2s,box-shadow .2s,transform .2s;position:relative}.image-field:hover,.image-field:focus-within{border-color:#82a0ef;box-shadow:0 0 0 3px #5275dd10}.image-field:focus-visible{border-color:#5275dd;outline:0;box-shadow:0 0 0 3px #5275dd20}.image-field.dragging{background:#edf3ff;border-style:solid;border-color:#3366e8;transform:translateY(-1px);box-shadow:0 0 0 4px #3366e816}.image-field-icon{color:#3366e8;background:#e9f0ff;border-radius:10px;flex:none;width:38px;height:38px;padding:9px}.image-field-copy{flex:1;min-width:150px}.image-field-copy>span{color:#344156;font-size:12px;font-weight:750;display:block}.image-field-copy>small{color:#8794a6;margin-top:4px;font-size:10px;font-weight:500;display:block}.image-field-actions{align-items:center;gap:7px;margin-left:auto;display:flex}.image-field-actions button,.image-field-actions label,.image-field.has-image .image-field-actions button{color:#4f5f74;cursor:pointer;background:#fff;border:1px solid #d6dfeb;border-radius:8px;justify-content:center;align-items:center;gap:6px;width:auto;height:34px;margin:0;padding:0 11px;font-size:10px;font-weight:750;transition:border-color .18s,background-color .18s,color .18s,box-shadow .18s;display:inline-flex}.image-field-actions button:hover,.image-field-actions label:hover{color:#315dcc;background:#f9fbff;border-color:#9cafdf}.image-field-actions .paste-image{color:#315dcc;background:#edf3ff;border-color:#b9caf6}.image-field-actions .paste-image:hover{background:#e3edff;border-color:#7596ec}.image-field-actions button:disabled{cursor:wait;opacity:.65}.image-field-actions svg{width:14px;height:14px}.image-field-actions input{display:none}.image-field-actions .remove-image,.image-field.has-image .image-field-actions .remove-image{color:#b44c4c;background:snow;border-color:#efd1d1;width:34px;padding:0}.image-field-actions .remove-image:hover{color:#c63838;background:#fff0f0;border-color:#e7aaaa}.image-field.has-image{min-height:82px;padding:10px}.image-field.has-image>img{object-fit:contain;background:#fff;border:1px solid #e2e8f0;border-radius:8px;flex:none;width:64px;height:64px}.image-field-feedback{color:#66758a;border-top:1px solid #e7edf5;justify-content:space-between;align-items:center;gap:10px;width:100%;padding-top:9px;font-size:9px;display:flex}.image-field-feedback button,.image-field.has-image .image-field-feedback button{color:#315dcc;background:0 0;border:0;align-items:center;gap:4px;width:auto;height:auto;padding:3px 6px;font-size:9px;font-weight:800;display:inline-flex}.image-field-feedback svg{width:11px;height:11px}.image-field.compact{gap:8px;min-height:54px;margin-top:8px;padding:8px 9px}.image-field.compact .image-field-icon{border-radius:8px;width:30px;height:30px;padding:7px}.image-field.compact .image-field-copy{min-width:105px}.image-field.compact .image-field-copy>span{font-size:10px}.image-field.compact .image-field-copy>small{margin-top:2px;font-size:8px}.image-field.compact .image-field-actions{gap:5px}.image-field.compact .image-field-actions button,.image-field.compact .image-field-actions label{border-radius:7px;height:29px;padding:0 8px;font-size:9px}.image-field.compact .image-field-actions .remove-image{width:29px;padding:0}.image-field.compact.has-image>img{width:42px;height:42px}.image-field.compact .image-field-feedback{padding-top:6px}@media (width<=760px){.image-field{align-items:flex-start}.image-field-actions{width:100%;margin-left:50px}.image-field-actions button,.image-field-actions label{flex:1}.image-field-actions .remove-image{flex:none}.image-field.compact .image-field-actions{width:auto;margin-left:auto}}@media (width<=480px){.image-field.compact .image-field-copy{width:calc(100% - 42px)}.image-field.compact .image-field-actions{width:100%;margin-left:38px}}.form-card>.add-formula,.form-card>.formula-editor{margin:0 22px 20px}.add-formula{color:#526b9f;background:#fbfcff;border:1px dashed #b9c8dc;border-radius:9px;justify-content:center;align-items:center;gap:7px;width:calc(100% - 44px);min-height:42px;font-size:11px;font-weight:750;transition:border-color .2s,background-color .2s,color .2s;display:flex}.add-formula:hover{color:#315dcc;background:#f2f6ff;border-color:#7898ea}.add-formula svg{width:14px}.option-content>.add-formula{width:100%;margin-top:8px}.add-formula.compact{min-height:32px;font-size:9px}.formula-editor{background:#fbfcff;border:1px solid #dce4ef;border-radius:10px;overflow:hidden}.formula-editor-head{background:linear-gradient(90deg,#f3f7ff,#fbfcff);border-bottom:1px solid #e8edf4;justify-content:space-between;align-items:center;gap:12px;min-height:46px;padding:9px 12px;display:flex}.formula-editor-head b,.formula-editor-head small{display:block}.formula-editor-head b{color:#36445a;font-size:11px}.formula-editor-head small{color:#8995a6;margin-top:2px;font-size:8px}.formula-editor-head>button{color:#a84b4b;background:0 0;border:0;border-radius:6px;align-items:center;gap:5px;padding:6px 8px;font-size:9px;font-weight:750;display:inline-flex}.formula-editor-head>button:hover{background:#fff0f0}.formula-editor-head svg{width:12px}.formula-tools{flex-wrap:wrap;gap:5px;padding:9px 11px 0;display:flex}.formula-tools button{color:#53647b;background:#fff;border:1px solid #dce4f0;border-radius:6px;padding:5px 8px;font-size:8px;font-weight:700}.formula-tools button:hover{color:#315dcc;background:#f6f9ff;border-color:#9eb3ea}.formula-editor>textarea{resize:vertical;color:#25334a;background:#fff;border:1px solid #ccd7e5;border-radius:7px;outline:0;width:calc(100% - 22px);margin:9px 11px;padding:10px;font:12px/1.5 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.formula-editor>textarea:focus{border-color:#7391e6;box-shadow:0 0 0 3px #5275dd14}.formula-live{background:#fff;border:1px solid #e2e8f1;border-radius:8px;margin:0 11px 11px;overflow-x:auto}.formula-live>span{color:#8a96a7;letter-spacing:.08em;text-transform:uppercase;border-bottom:1px solid #edf1f5;padding:6px 9px;font-size:7px;font-weight:800;display:block}.formula-live>div{place-items:center;min-height:54px;padding:10px;display:grid}.formula-live .katex-display,.formula-preview .katex-display{margin:0}.formula-error{color:#b04646;background:#fff4f4;border:1px solid #f0c7c7;border-radius:7px;margin:0 11px 11px;padding:8px 10px;font-size:9px;line-height:1.4}.formula-editor.compact{border-radius:8px;margin-top:8px}.formula-editor.compact .formula-editor-head{min-height:38px;padding:7px 9px}.formula-editor.compact .formula-tools{padding:7px 8px 0}.formula-editor.compact>textarea{width:calc(100% - 16px);margin:7px 8px;padding:8px;font-size:10px}.formula-editor.compact .formula-live{margin:0 8px 8px}.formula-editor.compact .formula-live>div{min-height:42px;padding:7px}.formula-preview{text-align:center;background:#fbfcff;border:1px solid #e2e8f0;border-radius:9px;max-width:100%;margin:8px 0 18px;padding:14px;overflow-x:auto}.formula-preview.compact{margin:7px 0 2px;padding:9px;font-size:.9em}.preview-body>.formula-error{margin:8px 0 18px}@media (width<=760px){.formula-tools{flex-wrap:nowrap;padding-bottom:2px;overflow-x:auto}.formula-tools button{flex:none}}.form-card>.rich-content-editor{margin:20px 22px}.rich-content-editor{background:#fff;border:1px solid #d9e1eb;border-radius:10px;transition:border-color .2s,box-shadow .2s;overflow:hidden}.rich-content-editor:focus-within{border-color:#6f91ee;box-shadow:0 0 0 3px #5275dd16}.rich-editor-toolbar{background:#f8fafc;border-bottom:1px solid #e8edf3;align-items:center;gap:5px;min-height:42px;padding:6px 8px;display:flex}.rich-editor-toolbar>span{background:#dce3eb;width:1px;height:24px;margin:0 3px}.rich-editor-toolbar button{color:#526176;background:0 0;border:1px solid #0000;border-radius:6px;height:29px;padding:0 9px;font-size:11px;font-weight:700;transition:background .16s,border-color .16s,color .16s}.rich-editor-toolbar button:hover,.rich-editor-toolbar button.active{color:#2859d5;background:#eaf1ff;border-color:#d4def0}.rich-editor-toolbar .math-action{color:#315ecb;background:#fff;border-color:#dce4f2}.rich-content-editor .tiptap{color:#182435;outline:0;min-height:128px;padding:14px 15px;font-size:14px;line-height:1.65}.rich-content-editor.compact .tiptap{min-height:58px;padding:9px 10px;font-size:12px}.rich-content-editor.compact .rich-editor-toolbar{min-height:36px}.rich-content-editor.compact .rich-editor-toolbar button{height:25px;padding:0 7px;font-size:9px}.rich-content-editor .tiptap p,.rich-content-viewer .tiptap p{white-space:pre-wrap;margin:0 0 .55em}.rich-content-editor .tiptap p:last-child,.rich-content-viewer .tiptap p:last-child{margin-bottom:0}.rich-content-editor [data-type=inline-math],.rich-content-viewer [data-type=inline-math]{vertical-align:-.18em;color:#18376e;background:#edf4ff;border-radius:5px;margin:0 .12em;padding:1px 4px;display:inline-flex}.rich-content-editor [data-type=inline-math]{cursor:pointer;border:1px solid #cfe0fa}.rich-content-editor [data-type=block-math],.rich-content-viewer [data-type=block-math]{text-align:center;background:#f7f9fc;border-radius:8px;margin:9px 0;padding:10px 12px;display:block;overflow-x:auto}.rich-content-editor [data-type=block-math]{cursor:pointer;border:1px dashed #c9d6e8}.rich-editor-hint{color:#8a97a8;padding:0 12px 9px;font-size:9px;display:block}.rich-editor-loading{color:#8491a2;padding:18px}.rich-content-viewer .tiptap{outline:0}.preview-body>.rich-content-viewer{margin:10px 0 20px;font:700 22px/1.45 Manrope}.rich-content-viewer.compact{font-size:13px;line-height:1.55}.preview-options .rich-content-viewer [data-type=block-math]{text-align:left;margin:5px 0;padding:6px}.math-dialog-backdrop{z-index:300;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#101c2cb8;place-items:center;padding:20px;transition:padding-bottom .2s;display:grid;position:fixed;inset:0}.math-dialog-backdrop.keyboard-open{place-items:start center;padding-bottom:315px}.math-dialog{background:#fff;border:1px solid #dfe6ef;border-radius:16px;width:min(760px,100%);max-height:92vh;overflow:auto;box-shadow:0 30px 90px #07122455}.keyboard-open .math-dialog{max-height:calc(100vh - 335px)}.math-dialog-head{justify-content:space-between;align-items:flex-start;padding:20px 22px 15px;display:flex}.math-dialog-head span{color:#3865d4;text-transform:uppercase;letter-spacing:.1em;font-size:10px;font-weight:800}.math-dialog-head h3{margin:3px 0 0;font:800 21px Manrope}.math-dialog-head>button{color:#607086;background:#eef2f7;border:0;border-radius:8px;width:33px;height:33px;font-size:22px}.math-palette-tabs{gap:4px;padding:0 20px 9px;display:flex;overflow:auto}.math-palette-tabs button{white-space:nowrap;color:#68778a;background:0 0;border:0;border-radius:7px;padding:8px 10px;font-size:10px;font-weight:700}.math-palette-tabs button.active{color:#285ad7;background:#eaf1ff}.math-symbol-grid{background:#f7f9fc;border-block:1px solid #e8edf3;flex-wrap:wrap;gap:6px;padding:11px 20px;display:flex}.math-symbol-grid button{color:#334359;background:#fff;border:1px solid #dbe3ed;border-radius:7px;min-width:66px;padding:7px 9px;font-size:11px;box-shadow:0 1px 2px #162d4b0a}.math-symbol-grid button:hover{color:#285ad7;border-color:#8ba5e6}.mathlive-host{margin:20px}.mathlive-host math-field{background:#fff;border:1px solid #ccd8e8;border-radius:10px;width:100%;min-height:74px;padding:14px 16px;font-size:25px;display:block}.mathlive-host math-field:focus-within{border-color:#6f91ee;box-shadow:0 0 0 3px #5275dd16}.latex-source{margin:0 20px;display:block}.latex-source span{color:#68768a;margin-bottom:6px;font-size:10px;font-weight:700;display:block}.latex-source textarea{resize:vertical;border:1px solid #dbe3ec;border-radius:8px;outline:0;width:100%;min-height:62px;padding:10px;font:12px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace}.math-dialog-actions{align-items:center;gap:8px;padding:17px 20px 20px;display:flex}.math-dialog-actions button{white-space:nowrap}.keyboard-button,.delete-math{color:#315ecb;background:0 0;border:0;padding:9px;font-size:11px;font-weight:700}.delete-math{color:#c34545;margin-left:auto}.math-dialog-actions .primary,.math-dialog-actions .secondary{padding:9px 13px;font-size:11px}body{--keyboard-zindex:500}@media (width<=760px){.form-card>.rich-content-editor{margin:16px}.rich-editor-toolbar{flex-wrap:wrap}.rich-editor-toolbar>span{display:none}.rich-content-editor .tiptap{min-height:105px}.math-dialog-backdrop{padding:7px}.math-dialog{border-radius:12px}.math-symbol-grid{max-height:135px;overflow:auto}.mathlive-host{margin:14px}.latex-source{margin:0 14px}.math-dialog-actions{flex-wrap:wrap;padding:14px}.delete-math{margin-left:0}.keyboard-button{text-align:left;width:100%}.preview-body>.rich-content-viewer{font-size:18px}}
