:root{color-scheme:light;--bg:#f5f8fc;--surface:#fff;--surface2:#eff4fa;--fg:#162439;--muted:#718196;--line:#e2eaf3;--a:#087da8;--teal:#00a6a8;--blue:#4166ed;--shadow:0 16px 48px rgba(25,55,95,.08);--success:#0a996c;--danger:#c44960;--nav:#ffffffed}
:root.dark{color-scheme:dark;--bg:#0c1628;--surface:#16243a;--surface2:#202f49;--fg:#f0f8ff;--muted:#9bb0c9;--line:#2e415b;--a:#65d9ed;--teal:#40d8cb;--blue:#9dafff;--shadow:0 14px 44px rgba(0,0,0,.2);--success:#64dfae;--danger:#ff8c9e;--nav:#112035ed}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--bg);color:var(--fg);line-height:1.5}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #39b7e7;outline-offset:2px}a{color:var(--a)}.hidden{display:none!important}.shell{display:grid;grid-template-columns:248px minmax(0,1fr);min-height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--line);height:100vh;position:sticky;top:0;padding:27px 17px;display:flex;flex-direction:column;gap:27px}.brand{display:flex;gap:12px;align-items:center;padding:2px 8px}.logo-mark{width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,#09bec8,#5370eb);color:#fff;display:grid;place-items:center;font-size:27px;box-shadow:0 8px 28px #27aee444}.brand strong{display:block;font-size:16px;letter-spacing:-.45px}.brand small{display:block;color:var(--muted);font-size:11px}.nav{display:grid;gap:6px}.nav button,.side-bottom button{border:0;background:transparent;color:var(--muted);text-align:left;display:flex;align-items:center;gap:12px;padding:12px 13px;border-radius:12px;width:100%;font-size:14px;font-weight:630}.nav button.active{background:linear-gradient(100deg,#10acbd20,#5476ea13);color:var(--a)}.nav button:hover{background:var(--surface2);color:var(--fg)}.nav .ico{font-size:19px;width:25px;text-align:center}.side-bottom{margin-top:auto;border-top:1px solid var(--line);padding-top:15px}.side-bottom .avatar{width:37px;height:37px;background:linear-gradient(135deg,#59cad3,#5475d6);display:grid;place-items:center;border-radius:50%;color:#fff;font-weight:800}.user-row{display:flex;gap:10px;align-items:center;margin-bottom:11px;padding:0 8px}.user-row small{display:block;color:var(--muted)}.main{width:min(1160px,100%);margin:0 auto;padding:34px clamp(20px,4vw,55px) 70px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:30px}.crumb{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:1.6px;font-weight:750}.topbar .right{display:flex;align-items:center;gap:10px}.iconbtn{display:grid;place-items:center;min-width:41px;height:41px;border:1px solid var(--line);border-radius:13px;background:var(--surface);color:var(--fg)}.h1{font-size:clamp(28px,3.8vw,43px);line-height:1.13;letter-spacing:-1.7px;margin:0 0 10px}.lede{color:var(--muted);margin:0 0 25px}.pill{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:5px 11px;background:#2ab6bb20;color:var(--a);font-size:12px;font-weight:750}.pill.gold{background:#e6a63320;color:#c28316}.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:17px}.col8{grid-column:span 8}.col7{grid-column:span 7}.col6{grid-column:span 6}.col5{grid-column:span 5}.col4{grid-column:span 4}.col3{grid-column:span 3}.col12{grid-column:span 12}.panel{background:var(--surface);border:1px solid var(--line);border-radius:21px;padding:23px;box-shadow:var(--shadow)}.panel.soft{background:var(--surface2);box-shadow:none}.panel h2{font-size:19px;letter-spacing:-.5px;margin:0 0 10px}.panel h3{font-size:16px;letter-spacing:-.3px;margin:0 0 8px}.panel p{color:var(--muted);margin:0 0 16px;font-size:14px}.hero{background:linear-gradient(112deg,#084762,#19708c 57%,#4d69d7);color:white;border-radius:25px;padding:27px;position:relative;overflow:hidden;min-height:252px}.hero:after{content:"";position:absolute;width:270px;height:270px;right:-90px;top:-90px;border:1px solid #ffffff27;border-radius:50%;box-shadow:0 0 0 35px #ffffff07,0 0 0 72px #ffffff06}.hero h2{font-size:clamp(24px,3vw,36px);margin:20px 0 10px;letter-spacing:-1px;max-width:500px}.hero p{color:#d5f0f7;max-width:450px;margin:0 0 25px}.hero .pill{background:#ffffff2b;color:#fff}.btn{border:0;border-radius:12px;padding:12px 18px;background:linear-gradient(110deg,#00aeb8,#4381ed);color:white;font-weight:750;font-size:14px;display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:43px}.btn:hover:not(:disabled){filter:brightness(1.07);transform:translateY(-1px)}.btn.light{background:#fff;color:#115b75;position:relative;z-index:1}.btn.outline{border:1px solid var(--line);background:var(--surface2);color:var(--fg)}.btn.danger{background:#ba455b}.btn.full{width:100%}.btn.small{min-height:34px;padding:8px 12px;font-size:12px}.row{display:flex;align-items:center;gap:12px}.between{justify-content:space-between}.wrap{flex-wrap:wrap}.stack{display:flex;flex-direction:column;gap:13px}.stat{display:flex;flex-direction:column;gap:5px}.stat b{font-size:30px;letter-spacing:-1px}.muted{color:var(--muted)}.small{font-size:12px}.progress{height:10px;border-radius:50px;background:var(--surface2);overflow:hidden}.progress>span{display:block;height:100%;background:linear-gradient(90deg,#00afb5,#637eea);border-radius:inherit;transition:width .35s}.mini-icon{font-size:24px;width:44px;height:44px;display:grid;place-items:center;background:var(--surface2);border-radius:13px}.block-title{font-size:20px;font-weight:780;margin:31px 0 13px;letter-spacing:-.5px}.mission{display:flex;gap:14px;align-items:center;padding:13px;border:1px solid var(--line);border-radius:14px;margin-top:9px}.mission .day{background:var(--surface2);min-width:52px;min-height:51px;border-radius:12px;display:grid;place-items:center;font-weight:800}.mission.done{border-color:#25b89a70}.mission .grow{flex:1;min-width:0}.mission strong{display:block;font-size:14px}.mission small{color:var(--muted);display:block}.mission button{white-space:nowrap}.subject{display:flex;justify-content:space-between;gap:13px;align-items:center;padding:15px;border:1px solid var(--line);border-radius:14px;margin:9px 0;background:var(--surface)}.subject label{display:flex;gap:12px;align-items:center;cursor:pointer;flex:1}.subject input{accent-color:#0aaebb;width:19px;height:19px}.subject strong{display:block}.subject small{color:var(--muted)}.route-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.route-option{padding:17px;text-align:left;border:1px solid var(--line);border-radius:16px;background:var(--surface);color:var(--fg)}.route-option.selected{border:2px solid #09aebd;background:var(--surface2)}.route-option strong{display:block}.route-option small{display:block;margin-top:4px;color:var(--muted)}.route-option:hover{border-color:#13bec5}.question-option{width:100%;border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:14px;text-align:left;color:var(--fg);display:flex;align-items:flex-start;gap:12px;margin:8px 0;line-height:1.45}.question-option.selected{border-color:#1bb5c5;background:var(--surface2)}.question-option.correct{border-color:#16a077;background:#1ba77f14}.question-option.wrong{border-color:#d95568;background:#d9556814}.letter{display:inline-flex;width:29px;height:29px;flex:0 0 29px;background:var(--surface2);border-radius:9px;align-items:center;justify-content:center;font-weight:800;font-size:12px}.answer-info{padding:18px;border:1px solid var(--line);border-radius:13px;background:var(--surface2);margin-top:14px}.answer-info.good{border-color:#11a578}.answer-info.bad{border-color:#d95568}.card-face{min-height:250px;border:1px solid #5aaed555;border-radius:23px;background:linear-gradient(135deg,#0d7698,#3653ac);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#fff;padding:28px;cursor:pointer}.card-face .hint{color:#d0ebf7;font-size:12px;letter-spacing:1px;text-transform:uppercase}.card-face strong{font-size:clamp(20px,3vw,28px);max-width:650px;margin:22px 0}.card-nav{display:flex;justify-content:center;gap:10px;margin:17px 0}.card-nav button{min-width:145px}.badge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.badge-item{padding:17px;border:1px solid var(--line);border-radius:14px;text-align:center;background:var(--surface2)}.badge-item b{display:block;font-size:24px}.form{display:flex;flex-direction:column;gap:14px}.field{display:grid;gap:6px}.field label{font-size:12px;color:var(--muted);font-weight:700}.field input,.field textarea,.field select,.select{padding:12px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--fg);width:100%;min-height:43px}.field textarea{min-height:100px;resize:vertical}.help{font-size:12px;color:var(--muted)}.auth-bg{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:23px;background:radial-gradient(circle at 10% 15%,#00bdc51a,transparent 35%),radial-gradient(circle at 90% 90%,#4e6df126,transparent 36%),var(--bg)}.auth-card{width:min(450px,100%);border:1px solid var(--line);border-radius:27px;padding:35px;background:var(--surface);box-shadow:var(--shadow)}.auth-card h1{letter-spacing:-1.4px;line-height:1.1;margin:22px 0 12px;font-size:31px}.auth-card p{color:var(--muted)}.empty{padding:28px;text-align:center;border:1px dashed var(--line);border-radius:17px;color:var(--muted)}.info{padding:14px 17px;background:var(--surface2);border-radius:14px;font-size:13px}.warning{border-left:3px solid #ddaa3f;padding:13px 15px;background:#e8a13912;border-radius:9px;font-size:13px}.tiny{font-size:11px;color:var(--muted)}.footer{margin-top:40px;color:var(--muted);font-size:12px;text-align:center}.step-bubbles{display:flex;gap:5px;flex-wrap:wrap}.step-bubbles span{border-radius:7px;background:var(--surface2);padding:4px 9px;font-size:12px}.step-bubbles span.active{background:var(--a);color:var(--bg)}.quiz-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:21px}.numbered{counter-reset:custom}.numbered li{margin-bottom:12px}.loading-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;flex-direction:column;color:var(--muted);gap:10px}#toast{position:fixed;bottom:25px;right:23px;z-index:100;background:var(--fg);color:var(--bg);padding:12px 20px;border-radius:13px;box-shadow:var(--shadow);max-width:350px;opacity:0;transform:translateY(12px);pointer-events:none;transition:.2s}#toast.show{opacity:1;transform:translateY(0)}.mobile-header{display:none}.t-divider{border-top:1px solid var(--line);margin:20px 0}kbd{font:inherit}p{overflow-wrap:anywhere}.no-overflow{min-width:0}pre{white-space:pre-wrap;overflow-wrap:anywhere}.result-num{font-size:53px;font-weight:850;letter-spacing:-2px}.mode-switch{display:flex;background:var(--surface2);border-radius:11px;padding:4px;gap:3px}.mode-switch button{background:transparent;color:var(--muted);border:0;padding:8px 15px;border-radius:8px;font-size:13px;font-weight:700}.mode-switch .selected{background:var(--surface);color:var(--fg);box-shadow:0 2px 6px #0001}
@media(max-width:1000px){.col8,.col7{grid-column:span 12}.col5,.col4{grid-column:span 6}.col3{grid-column:span 6}}
@media(max-width:760px){.shell{display:block;padding-bottom:77px}.sidebar{position:fixed;z-index:30;bottom:0;top:auto;height:68px;width:100%;padding:5px 10px;border-top:1px solid var(--line);border-right:0;background:var(--nav);backdrop-filter:blur(22px);display:block}.sidebar .brand,.sidebar .side-bottom{display:none}.nav{display:flex;gap:0;justify-content:space-around}.nav button{width:auto;flex:1;max-width:90px;flex-direction:column;justify-content:center;gap:1px;padding:4px 2px;text-align:center;font-size:10px;white-space:nowrap}.nav .ico{font-size:23px;width:auto}.main{padding:21px 17px 50px}.topbar{margin-bottom:22px}.route-grid{grid-template-columns:1fr}.col6,.col5,.col4,.col3{grid-column:span 12}.hero{min-height:255px;padding:23px}.hero:after{right:-150px;top:-90px}.panel{padding:19px}.h1{font-size:32px}.quiz-nav{flex-wrap:wrap}.question-option{padding:12px}.badge-grid{grid-template-columns:repeat(2,1fr)}.mobile-header{display:block}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}