@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/2c55a0e60120577a-s.0-dom-5bn10r2.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/9c72aa0f40e4eef8-s.1y4-pdgsjb-pw.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/ad66f9afd8947f86-s.3lvt2whj97whp.woff2)format("woff2");unicode-range:U+1F??}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/5476f68d60460930-s.2uwcyprjm3xu3.woff2)format("woff2");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/2bbe8d2671613f1f-s.0k62hbripvv8p.woff2)format("woff2");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/1bffadaabf893a1e-s.3-6t-g6q0vh0a.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/83afe278b6a6bb3c-s.p.2bn3s6zvc0dyp.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter Fallback;src:local(Arial);ascent-override:90.44%;descent-override:22.52%;line-gap-override:0.0%;size-adjust:107.12%}.inter_31011fd-module__jtyeTG__className{font-family:Inter,Inter Fallback;font-style:normal}.inter_31011fd-module__jtyeTG__variable{--font-sans:"Inter", "Inter Fallback"}
@font-face{font-family:Sora;font-style:normal;font-weight:600;font-display:swap;src:url(../media/3dbe685087e51055-s.3go3gb1_xu4rn.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Sora;font-style:normal;font-weight:600;font-display:swap;src:url(../media/6bd983bd58a87a3d-s.p.1hey5yyym6mz_.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Sora;font-style:normal;font-weight:700;font-display:swap;src:url(../media/3dbe685087e51055-s.3go3gb1_xu4rn.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Sora;font-style:normal;font-weight:700;font-display:swap;src:url(../media/6bd983bd58a87a3d-s.p.1hey5yyym6mz_.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Sora;font-style:normal;font-weight:800;font-display:swap;src:url(../media/3dbe685087e51055-s.3go3gb1_xu4rn.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Sora;font-style:normal;font-weight:800;font-display:swap;src:url(../media/6bd983bd58a87a3d-s.p.1hey5yyym6mz_.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Sora Fallback;src:local(Arial);ascent-override:85.29%;descent-override:25.5%;line-gap-override:0.0%;size-adjust:113.73%}.sora_dd553fc1-module__oHtLQG__className{font-family:Sora,Sora Fallback;font-style:normal}.sora_dd553fc1-module__oHtLQG__variable{--font-display:"Sora", "Sora Fallback"}
:root{--page:#f2f5f4;--ink:#101718;--muted:#64706f;--soft:#f7f9f8;--surface:#fff;--line:#dce4e2;--line-strong:#b9c8c5;--nav:#111a1b;--nav-soft:#1c292a;--teal:#087f73;--teal-strong:#05665d;--blue:#2868e8;--green:#118454;--amber:#a95d05;--rose:#d24764;--violet:#6a58cf;--signal:#ffd24a;--radius-sm:8px;--radius-md:10px;--radius-lg:14px;--shadow:0 1px 2px #1017180a, 0 12px 32px #10171812;--shadow-lift:0 2px 4px #1017180d, 0 18px 44px #1017181f;--focus-ring:0 0 0 3px #087f7347}*{box-sizing:border-box}html,body{min-height:100%}body{background:var(--page);color:var(--ink);font-family:var(--font-sans,"Inter"), ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;font-feature-settings:"cv02", "cv11";-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-moz-text-size-adjust:100%;text-size-adjust:100%;-webkit-tap-highlight-color:transparent;margin:0;overflow-x:clip}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.58}h1,h2,h3,p{margin-top:0}.spin{animation:.9s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.student-shell{grid-template-columns:260px minmax(0,1fr);min-height:100vh;display:grid}.student-rail{background:var(--nav);color:#f7fbfb;height:100vh;padding:22px 16px;position:sticky;top:0}.student-brand{align-items:center;gap:12px;min-height:48px;margin-bottom:28px;display:flex}.student-brand-mark{color:#1b1d12;background:#f7c948;border-radius:8px;place-items:center;width:42px;height:42px;font-weight:900;display:grid}.student-brand strong,.student-brand span{display:block}.student-brand span{color:#b9c7c6;margin-top:3px;font-size:13px}.student-nav{gap:7px;display:grid}.student-nav-item{color:#d7e1e0;text-align:left;background:0 0;border:1px solid #0000;border-radius:8px;align-items:center;gap:10px;width:100%;min-height:44px;padding:10px 12px;display:flex}.student-main{min-width:0;padding:26px}.student-topbar{justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px;display:flex}.student-kicker{color:var(--teal);margin-bottom:4px;font-size:13px;font-weight:800}.student-topbar h1,.offline-panel h1{letter-spacing:0;margin-bottom:0;font-size:30px;line-height:1.15}.student-top-actions{align-items:center;gap:10px;display:flex}.api-pill,.hero-chip,.quiz-time{border:1px solid var(--line);background:var(--surface);min-height:34px;color:var(--muted);border-radius:8px;align-items:center;gap:8px;padding:0 11px;font-size:13px;font-weight:800;display:inline-flex}.icon-button{border:1px solid var(--line);background:var(--surface);width:42px;height:42px;color:var(--ink);border-radius:8px;justify-content:center;align-items:center;display:inline-flex}.icon-button.dark{background:var(--ink);color:#fff;border-color:#1218261a}.icon-button{position:relative}.notification-dot{border:2px solid var(--ink);background:#f7c948;border-radius:50%;width:8px;height:8px;position:absolute;top:8px;right:8px}.student-loading{border:1px solid var(--line);background:var(--surface);min-height:260px;box-shadow:var(--shadow);color:var(--muted);border-radius:8px;align-items:center;gap:12px;padding:24px;font-weight:800;display:flex}.student-hero{color:#fff;min-height:300px;box-shadow:var(--shadow);background:linear-gradient(135deg,#121826f5,#13282bf5),#172021;border:1px solid #1218261f;border-radius:8px;grid-template-columns:minmax(0,1.5fr) minmax(280px,.7fr);gap:20px;margin-bottom:16px;padding:24px;display:grid}.hero-copy{flex-direction:column;justify-content:space-between;gap:22px;display:flex}.hero-chip{color:#d9fffa;background:#ffffff1a;border-color:#ffffff2e;align-self:flex-start}.hero-copy h2{letter-spacing:0;max-width:720px;margin-bottom:8px;font-size:42px;line-height:1.04}.hero-copy p{color:#cdd8d8;max-width:620px;margin-bottom:0;font-size:16px;line-height:1.55}.hero-actions{flex-wrap:wrap;gap:10px;display:flex}.student-primary,.student-secondary{border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:9px;min-height:44px;padding:0 15px;font-weight:900;display:inline-flex}.student-primary{color:#1b1d12;background:#f7c948}.student-primary:hover{background:#ffd966}.student-primary.full{width:100%}.student-secondary{color:#fff;background:#ffffff14;border-color:#fff3}.student-secondary.dark-copy{color:var(--ink);background:#ffffffc2;border-color:#12182624}.score-orbit{background:linear-gradient(150deg,#ffffff1f,#ffffff0a),#ffffff0d;border-radius:8px;align-content:center;justify-items:center;gap:16px;padding:20px;display:grid}.score-ring{--score:0%;background:radial-gradient(circle at center, #172021 0 55%, transparent 56%), conic-gradient(#f7c948 var(--score), #ffffff29 0);border-radius:50%;align-content:center;place-items:center;width:172px;height:172px;display:grid}.score-ring strong{font-size:42px;line-height:1;display:block}.score-ring span{color:#cdd8d8;font-size:13px;font-weight:800}.score-notes{gap:8px;width:100%;display:grid}.score-notes span{color:#eef6f5;text-align:center;background:#ffffff17;border-radius:8px;min-height:34px;padding:9px 10px;font-size:13px;font-weight:800}.student-metrics{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:16px;display:grid}.student-metric{border:1px solid var(--line);background:var(--surface);min-height:130px;box-shadow:var(--shadow);border-radius:8px;padding:16px;display:grid}.student-metric svg{margin-bottom:14px}.student-metric span{color:var(--muted);font-size:13px;font-weight:800}.student-metric strong{align-self:end;font-size:34px;line-height:1}.student-metric.teal svg{color:var(--teal)}.student-metric.blue svg{color:var(--blue)}.student-metric.green svg{color:var(--green)}.student-metric.amber svg{color:var(--amber)}.student-grid{grid-template-columns:minmax(0,1fr) minmax(420px,.9fr);gap:16px;margin-bottom:16px;display:grid}.student-grid.lower{grid-template-columns:minmax(0,1.3fr) minmax(360px,.7fr)}.student-grid.compact{grid-template-columns:minmax(0,1fr) minmax(320px,.55fr)}.student-panel{border:1px solid var(--line);min-width:0;box-shadow:var(--shadow);background:#ffffffeb;border-radius:8px;padding:18px}.section-title{justify-content:space-between;align-items:flex-start;gap:14px;margin-bottom:16px;display:flex}.section-title span{color:var(--teal);text-transform:uppercase;margin-bottom:4px;font-size:12px;font-weight:900;display:block}.section-title h2{letter-spacing:0;margin-bottom:0;font-size:20px;line-height:1.2}.quiz-list,.course-stack,.timeline,.resource-list,.review-list{gap:10px;display:grid}.quiz-row{border:1px solid var(--line);width:100%;min-height:82px;color:var(--ink);text-align:left;background:#fbfdfc;border-radius:8px;grid-template-columns:minmax(0,1fr) auto 18px;align-items:center;gap:12px;padding:12px;display:grid}.quiz-row:hover,.quiz-row.selected{background:#eef9f7;border-color:#0f766e52}.quiz-row strong,.course-row strong,.timeline-row strong,.resource-row strong,.review-row strong{overflow-wrap:anywhere;display:block}.quiz-row span,.course-row span,.timeline-row span,.resource-row span,.review-row span{color:var(--muted);font-size:13px}.quiz-meta{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:7px;display:flex}.quiz-meta>span{border:1px solid var(--line);background:var(--surface);min-height:26px;color:var(--muted);border-radius:8px;padding:5px 8px;font-weight:800}.quiz-state.passed{color:var(--green);background:#eaf8ef;border-color:#16824a38}.quiz-state.failed{color:var(--rose);background:#fff0f3;border-color:#c2415b38}.quiz-state.in_progress,.quiz-state.started{color:var(--amber);background:#fff7e8;border-color:#b4530938}.quiz-state.ready{color:var(--blue);background:#eef4ff;border-color:#2563eb33}.inline-error{color:var(--rose);background:#fff0f3;border:1px solid #c2415b3d;border-radius:8px;margin-bottom:16px;padding:12px 14px;font-weight:800}.quiz-hero{grid-template-columns:minmax(0,1.45fr) minmax(300px,.55fr);gap:16px;margin-bottom:16px;display:grid}.quiz-hero-main,.readiness-card{box-shadow:var(--shadow);border:1px solid #1218261f;border-radius:8px}.quiz-hero-main{background:linear-gradient(135deg,#f7c948c7,#e8f6f3eb),#f7faf9;align-content:space-between;min-height:300px;padding:22px;display:grid}.hero-chip.light{color:var(--teal-strong);background:#ffffffb3;border-color:#1218261f}.quiz-hero-main h2{letter-spacing:0;max-width:820px;margin:24px 0 10px;font-size:44px;line-height:1.02}.quiz-hero-main p{color:#344054;max-width:720px;font-size:16px;line-height:1.55}.quiz-hero-actions{flex-wrap:wrap;gap:10px;margin-top:18px;display:flex}.readiness-card{background:linear-gradient(160deg, #121826fa, #0f5452f5), var(--ink);color:#fff;align-content:center;justify-items:center;gap:18px;padding:20px;display:grid}.readiness-ring{--score:0%;background:radial-gradient(circle at center, #172021 0 55%, transparent 56%), conic-gradient(#f7c948 var(--score), #ffffff29 0);border-radius:50%;align-content:center;place-items:center;width:174px;height:174px;display:grid}.readiness-ring strong{font-size:40px;line-height:1}.readiness-ring span,.readiness-lines span{color:#d9e8e6;font-size:13px;font-weight:800}.readiness-lines{gap:8px;width:100%;display:grid}.readiness-lines span{text-align:center;background:#ffffff17;border-radius:8px;min-height:34px;padding:9px 10px}.quiz-dashboard-grid{grid-template-columns:minmax(0,1.05fr) minmax(440px,.95fr);align-items:start;gap:16px;margin-bottom:16px;display:grid}.quiz-library-layout{grid-template-columns:minmax(0,1fr);display:grid}.materials-page{gap:16px;display:grid}.materials-hero{color:#fff;background:#17483e;border-radius:8px;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:28px;min-height:188px;padding:32px;display:grid}.materials-hero>div:first-child>span{color:#92d1bf;text-transform:uppercase;align-items:center;gap:7px;font-size:10px;font-weight:850;display:flex}.materials-hero h2{letter-spacing:0;margin:9px 0 7px;font-size:clamp(30px,3.6vw,45px);line-height:1.03}.materials-hero p{color:#bed8d1;max-width:700px;margin:0;font-size:12px}.materials-hero-metrics{border:1px solid #ffffff26;border-radius:7px;grid-template-columns:repeat(3,92px);display:grid;overflow:hidden}.materials-hero-metrics>span{border-right:1px solid #ffffff21;align-content:center;place-items:center;min-height:74px;display:grid}.materials-hero-metrics>span:last-child{border-right:0}.materials-hero-metrics strong{font-size:23px}.materials-hero-metrics small{color:#afd0c8;text-transform:uppercase;font-size:8px}.materials-content-grid{grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:16px;display:grid}.materials-documents,.materials-news,.materials-calendar{min-width:0}.materials-news-list{display:grid}.materials-news-item{border-bottom:1px solid #e3e9e6;gap:7px;padding:18px 19px 18px 22px;display:grid;position:relative;overflow:hidden}.materials-news-item:before{content:"";background:#4d7de2;width:4px;position:absolute;inset:0 auto 0 0}.materials-news-item.priority-important:before{background:#d5a331}.materials-news-item.priority-urgent:before{background:#e36258}.materials-news-item header,.materials-news-item footer{justify-content:space-between;align-items:center;gap:10px;display:flex}.materials-news-item header span{color:#3970d2;text-transform:uppercase;font-size:8px;font-weight:900}.materials-news-item.priority-important header span{color:#9b7116}.materials-news-item.priority-urgent header span{color:#bd453d}.materials-news-item time,.materials-news-item footer span{color:#88948f;font-size:8px}.materials-news-item>strong{font-size:13px;line-height:1.4}.materials-news-item p{color:#66736e;margin:0;font-size:10px;line-height:1.6}.materials-news-item footer{justify-content:flex-start;margin-top:2px}.materials-news-item footer b{color:#216c5d;background:#e9f3ef;border-radius:4px;padding:4px 6px;font-size:8px}.materials-empty{color:#82908b;text-align:center;align-content:center;place-items:center;gap:6px;min-height:150px;padding:24px;display:grid}.materials-empty strong{color:#44524d;font-size:11px}.materials-empty span{font-size:9px}.materials-calendar{padding-bottom:18px}.next-lesson-banner{color:#80651a;background:#fff9e8;border-left:4px solid #efc84a;grid-template-columns:auto 1fr;align-items:center;gap:12px;margin:0 18px 14px;padding:14px 16px;display:grid}.next-lesson-banner>div{gap:2px;display:grid}.next-lesson-banner span{text-transform:uppercase;font-size:8px;font-weight:850}.next-lesson-banner strong{color:#352f20;font-size:11px}.next-lesson-banner small{color:#806f43;font-size:9px}.lesson-calendar-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;padding:0 18px;display:grid}.lesson-calendar-grid>article{background:#fbfcfc;border:1px solid #dde5e2;border-radius:6px;grid-template-columns:50px minmax(0,1fr);gap:11px;min-height:112px;padding:14px;display:grid}.lesson-calendar-grid time{color:#1d705f;background:#e7f3ef;border-radius:5px;align-content:center;place-items:center;width:44px;height:53px;display:grid}.lesson-calendar-grid time strong{font-size:18px}.lesson-calendar-grid time span{text-transform:uppercase;font-size:8px;font-weight:800}.lesson-calendar-grid article>div{align-content:start;gap:5px;min-width:0;display:grid}.lesson-calendar-grid article>div>span{color:#247565;text-transform:uppercase;font-size:8px;font-weight:850}.lesson-calendar-grid article>div>strong{font-size:11px;line-height:1.35}.lesson-calendar-grid article small{color:#7d8985;align-items:center;gap:4px;font-size:8px;line-height:1.4;display:flex}@media (max-width:980px){.materials-content-grid{grid-template-columns:1fr}.lesson-calendar-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:660px){.materials-hero{grid-template-columns:1fr;align-items:start;min-height:260px;padding:22px}.materials-hero-metrics{grid-template-columns:repeat(3,1fr)}.lesson-calendar-grid{grid-template-columns:1fr;padding:0 12px}.next-lesson-banner{margin-inline:12px}}.quiz-widget-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:16px;display:grid}.quiz-toolbar{gap:10px;margin-bottom:14px;display:grid}.quiz-search{border:1px solid var(--line);min-height:44px;color:var(--muted);background:#fbfdfc;border-radius:8px;grid-template-columns:20px minmax(0,1fr);align-items:center;gap:8px;padding:0 12px;display:grid}.quiz-search input{min-width:0;color:var(--ink);background:0 0;border:0;outline:0}.quiz-segments{flex-wrap:wrap;gap:7px;display:flex}.segment{border:1px solid var(--line);background:var(--surface);min-height:34px;color:var(--muted);border-radius:8px;padding:0 10px;font-size:13px;font-weight:900}.quiz-card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.quiz-card-button{border:1px solid var(--line);min-height:210px;color:var(--ink);text-align:left;background:#fbfdfc;border-radius:8px;gap:10px;padding:13px;display:grid}.quiz-card-top,.quiz-card-stats{justify-content:space-between;align-items:center;gap:8px;display:flex}.quiz-card-top>span:last-child{color:var(--muted);font-size:12px;font-weight:800}.quiz-card-button>strong{font-size:16px;line-height:1.25;display:block}.quiz-card-button>span{color:var(--muted);font-size:13px;font-weight:800}.quiz-card-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;display:grid}.quiz-card-stats b,.quiz-card-stats span{text-align:center;display:block}.quiz-card-stats b{font-size:19px}.quiz-card-stats span{color:var(--muted);text-transform:uppercase;font-size:11px;font-weight:900}.difficulty-track,.accuracy-bar,.wrong-meter span{background:#e5eceb;border-radius:999px;height:8px;overflow:hidden}.difficulty-track span,.accuracy-bar span,.wrong-meter i{border-radius:inherit;height:100%;display:block}.study-matrix{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.study-matrix.one-column{grid-template-columns:1fr}.study-tile{border:1px solid var(--line);background:#fbfdfc;border-radius:8px;align-content:space-between;min-height:132px;padding:14px;display:grid}.study-tile strong{font-size:34px;line-height:1}.study-tile span{color:var(--ink);font-weight:900}.study-tile small{color:var(--muted);font-weight:700}.leaderboard-list,.hard-list,.category-list,.notification-list,.auth-grid,.social-stack{gap:10px;display:grid}.leaderboard-row{border:1px solid var(--line);background:#fbfdfc;border-radius:8px;grid-template-columns:42px minmax(0,1fr) auto;align-items:center;gap:10px;padding:11px;display:grid}.leaderboard-row>strong{background:var(--ink);color:#fff;border-radius:8px;place-items:center;width:36px;height:36px;font-size:13px;display:grid}.leaderboard-row b,.leaderboard-row span,.leaderboard-row small{display:block}.leaderboard-row span,.leaderboard-row small{color:var(--muted);font-size:12px;font-weight:800}.hard-row{border:1px solid var(--line);background:#fbfdfc;border-radius:8px;grid-template-columns:minmax(0,1fr) 92px;align-items:center;gap:12px;padding:12px;display:grid}.hard-row strong,.hard-row span{display:block}.hard-row span{color:var(--muted);margin-top:4px;font-size:12px;font-weight:800}.wrong-meter{gap:6px;display:grid}.wrong-meter b{color:var(--rose);text-align:right}.category-row{border:1px solid var(--line);background:#fbfdfc;border-radius:8px;grid-template-columns:minmax(0,1fr) minmax(92px,.35fr) 44px;align-items:center;gap:10px;padding:12px;display:grid}.category-row strong,.category-row span{display:block}.category-row span{color:var(--muted);font-size:12px;font-weight:800}.accuracy-bar span{background:var(--green)}.category-row b{color:var(--green);text-align:right}.notification-row{border:1px solid var(--line);background:#fbfdfc;border-radius:8px;grid-template-columns:28px minmax(0,1fr);gap:10px;padding:12px;display:grid}.notification-row svg{color:var(--blue)}.notification-row.teal svg{color:var(--teal)}.notification-row strong,.notification-row span,.notification-row small{display:block}.notification-row span,.notification-row small{color:var(--muted);font-size:12px;font-weight:800}.ai-panel p{color:var(--muted);line-height:1.55}.coach-signal{min-height:32px;color:var(--teal-strong);background:#eef8f6;border-radius:6px;align-items:center;gap:7px;padding:0 9px;font-size:11px;font-weight:900;display:inline-flex}.ai-panel code{color:#e5f4f2;white-space:pre-wrap;background:#111827;border-radius:8px;margin:12px 0;padding:12px;display:block}.resource-row{grid-template-columns:24px minmax(0,1fr) 42px;align-items:center}.auth-option,.social-button,.profile-box{border:1px solid var(--line);background:#fbfdfc;border-radius:8px;align-items:center;display:grid}.auth-option{min-height:82px;color:var(--ink);text-align:left;grid-template-columns:28px minmax(0,1fr) 22px;gap:10px;padding:12px}.auth-option strong,.auth-option span,.profile-box strong,.profile-box span{display:block}.auth-option span,.security-note,.profile-box span{color:var(--muted);font-size:13px}.social-button{min-height:44px;color:var(--ink);text-align:left;grid-template-columns:22px minmax(0,1fr);gap:9px;padding:0 12px;font-weight:900}.security-note{margin:14px 0;line-height:1.55}.profile-box{gap:4px;padding:13px}.quiz-workspace{flex-direction:column;gap:16px;display:flex}.quiz-workspace.empty{text-align:center;justify-content:center;align-items:center;min-height:420px}.quiz-workspace.empty p{max-width:320px;color:var(--muted);margin-bottom:0}.quiz-workspace-head{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.quiz-workspace-head span{color:var(--teal);margin-bottom:5px;font-size:12px;font-weight:900;display:block}.quiz-workspace-head h2{letter-spacing:0;margin-bottom:6px;font-size:22px}.quiz-workspace-head p{color:var(--muted);margin-bottom:0}.quiz-time{background:#f7fbfb;flex:none}.question-stack{gap:12px;display:grid}.question-block{border:1px solid var(--line);background:#fbfdfc;border-radius:8px;padding:14px}.question-title{grid-template-columns:34px minmax(0,1fr);gap:10px;margin-bottom:12px;display:grid}.question-title>span{background:var(--ink);color:#fff;border-radius:8px;place-items:center;width:34px;height:34px;font-weight:900;display:grid}.question-title strong,.question-title small{display:block}.question-title small{color:var(--muted);margin-top:5px}.answer-grid{gap:8px;display:grid}.answer-option{border:1px solid var(--line);background:var(--surface);min-height:44px;color:var(--ink);text-align:left;border-radius:8px;grid-template-columns:30px minmax(0,1fr);align-items:center;gap:10px;padding:9px 10px;display:grid}.answer-option span{background:var(--soft);border-radius:8px;place-items:center;width:30px;height:30px;font-weight:900;display:grid}.answer-option:hover,.answer-option.selected{background:#eef4ff;border-color:#2563eb59}.answer-option.selected span{background:var(--blue);color:#fff}.result-box{gap:14px;display:grid}.result-score{color:#fff;border-radius:8px;place-items:center;min-height:140px;padding:16px;display:grid}.result-score.passed{background:var(--green)}.result-score.failed{background:var(--rose)}.result-score strong{font-size:46px;line-height:1}.result-score span{font-weight:900}.review-row,.resource-row{border:1px solid var(--line);background:#fbfdfc;border-radius:8px;grid-template-columns:24px minmax(0,1fr);gap:10px;padding:12px;display:grid}.review-row svg{color:var(--teal)}.course-row{border:1px solid var(--line);background:#fbfdfc;border-radius:8px;grid-template-columns:minmax(0,1fr) minmax(180px,.45fr);align-items:center;gap:14px;padding:13px;display:grid}.course-progress{grid-template-columns:minmax(120px,1fr) 46px;align-items:center;gap:10px;display:grid}.bar{background:#e5eceb;border-radius:999px;height:9px;overflow:hidden}.bar span{border-radius:inherit;background:var(--teal);height:100%;display:block}.timeline-row{border:1px solid var(--line);background:#fbfdfc;border-radius:8px;grid-template-columns:86px minmax(0,1fr);gap:12px;padding:12px;display:grid}.timeline-row time{color:var(--blue);font-size:13px;font-weight:900}.certificate{background:#fff8ec;border:1px solid #b4530933;border-radius:8px;justify-items:start;gap:9px;min-height:160px;padding:16px;display:grid}.certificate svg{color:var(--amber)}.certificate strong,.certificate span{display:block}.certificate span,.empty-note{color:var(--muted)}.offline-shell{place-items:center;min-height:100vh;padding:24px;display:grid}.offline-panel{border:1px solid var(--line);background:var(--surface);width:min(720px,100%);box-shadow:var(--shadow);border-radius:8px;padding:24px}.offline-panel>svg{color:var(--rose)}.offline-panel p{color:var(--muted);line-height:1.55}.offline-commands{gap:8px;margin:16px 0;display:grid}.offline-commands code{color:#e5f4f2;overflow-wrap:anywhere;background:#111827;border-radius:8px;padding:10px 12px;display:block}@media (max-width:1180px){.student-shell{grid-template-columns:82px minmax(0,1fr)}.student-brand div:not(.student-brand-mark),.student-nav-item span{display:none}.student-nav-item{justify-content:center}.student-hero,.quiz-hero,.quiz-dashboard-grid,.student-grid,.student-grid.lower,.student-grid.compact{grid-template-columns:1fr}.quiz-widget-grid,.student-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:720px){.student-shell{display:block}.student-rail{height:auto;padding:12px;position:static}.student-brand{margin-bottom:12px}.student-nav{grid-template-columns:repeat(5,minmax(52px,1fr));overflow-x:auto}.student-nav-item span{display:none}.student-main{padding:16px}.student-topbar,.quiz-workspace-head,.section-title{flex-direction:column;align-items:flex-start}.student-top-actions,.hero-actions,.quiz-hero-actions,.student-primary,.student-secondary,.api-pill{width:100%}.student-metrics,.quiz-widget-grid,.quiz-card-grid,.study-matrix,.leaderboard-row,.hard-row,.category-row,.course-row,.timeline-row,.quiz-row{grid-template-columns:1fr}.quiz-meta{justify-content:flex-start}.hero-copy h2{font-size:32px}.quiz-hero-main h2{font-size:34px}.readiness-card{justify-items:stretch}.readiness-ring{justify-self:center}.student-topbar h1,.offline-panel h1{font-size:26px}}.student-shell{grid-template-columns:236px minmax(0,1fr);width:100%;max-width:100vw}.student-rail{z-index:15;border-right:1px solid #ffffff0f;flex-direction:column;width:236px;padding:24px 14px 18px;display:flex;position:fixed;top:0;left:0}.student-brand{margin-bottom:34px;padding:0 6px}.student-brand-mark{background:var(--signal);box-shadow:0 8px 24px #ffd24a33}.student-nav-item{color:#aebbb9;min-height:46px;padding:10px 12px;position:relative}.student-nav-item.active:before{background:var(--signal);content:"";border-radius:0 3px 3px 0;width:3px;height:24px;position:absolute;left:-14px}.student-nav-item:hover,.student-nav-item.active{background:#1b2829;border-color:#ffffff14}.rail-profile{border-top:1px solid #ffffff14;gap:14px;margin-top:auto;padding:18px 6px 2px;display:grid}.rail-level{grid-template-columns:auto minmax(0,1fr);align-items:center;gap:10px;display:grid}.rail-level>span{color:var(--signal);font-size:11px;font-weight:900}.rail-level>div,.focus-progress-track,.quiz-progress-track{background:#ffffff1f;border-radius:999px;height:5px;overflow:hidden}.rail-level i,.focus-progress-track i,.quiz-progress-track i{border-radius:inherit;background:var(--signal);height:100%;display:block}.rail-user{grid-template-columns:38px minmax(0,1fr);align-items:center;gap:10px;display:grid}.rail-user>span{width:38px;height:38px;color:var(--teal-strong);background:#edf7f5;border-radius:50%;place-items:center;font-size:12px;font-weight:900;display:grid}.rail-user strong,.rail-user small{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.rail-user strong{font-size:13px}.rail-user small{color:#839391;margin-top:3px;font-size:11px;font-weight:800}.student-main{grid-column:2;width:100%;max-width:calc(100vw - 236px);padding:28px 30px 42px;overflow:hidden}.student-topbar{max-width:1540px;margin:0 auto 20px}.student-topbar h1{font-size:27px}.student-kicker{letter-spacing:0;text-transform:uppercase;margin-bottom:2px;font-size:11px}.topbar-date{color:var(--muted);text-transform:capitalize;margin-top:5px;font-size:12px;font-weight:700;display:block}.focus-stage,.metric-ribbon,.today-command-grid,.student-grid,.arena-head,.quiz-dashboard-grid,.quiz-widget-grid{width:100%;max-width:1540px;margin-left:auto;margin-right:auto}.focus-stage{isolation:isolate;color:#fff;background:#111a1b;border:1px solid #1e2d2e;border-radius:8px 8px 0 0;grid-template-columns:minmax(0,1.45fr) minmax(300px,.55fr);min-height:354px;margin-bottom:0;display:grid;position:relative;overflow:hidden;box-shadow:0 22px 48px #10171824}.focus-stage:after{z-index:-1;color:#ffffff06;content:"U";font-size:330px;font-weight:950;line-height:1;position:absolute;bottom:-98px;right:31%}.focus-stage-copy{flex-direction:column;justify-content:space-between;gap:18px;padding:30px;display:flex}.focus-overline,.arena-eyebrow{color:#c8d4d2;text-transform:uppercase;align-items:center;gap:9px;width:fit-content;font-size:11px;font-weight:900;display:flex}.focus-overline b{color:var(--signal);border-left:1px solid #ffffff2e;padding-left:9px}.live-pulse,.class-live i{background:#4ce1a1;border-radius:50%;width:8px;height:8px;box-shadow:0 0 0 5px #4ce1a11a}.focus-path{color:var(--signal);margin-bottom:8px;font-size:12px;font-weight:900}.focus-stage h2{max-width:780px;margin-bottom:10px;font-size:42px;line-height:1.04}.focus-description{color:#b9c7c5;max-width:680px;margin-bottom:0;line-height:1.55}.focus-facts{flex-wrap:wrap;gap:8px;display:flex}.focus-facts span{color:#aebbb9;background:#ffffff0a;border:1px solid #ffffff1a;border-radius:6px;align-items:center;gap:7px;min-height:34px;padding:0 10px;font-size:12px;display:inline-flex}.focus-scoreboard{background:#162223;border-left:1px solid #ffffff1a;align-content:center;justify-items:center;gap:18px;padding:26px;display:grid}.focus-scoreboard-head,.focus-score-footer,.focus-progress-row{width:100%}.focus-scoreboard-head{color:#cbd6d4;text-transform:uppercase;justify-content:space-between;font-size:12px;font-weight:900;display:flex}.focus-scoreboard .score-ring strong{font-size:46px}.focus-progress-row{gap:8px;display:grid}.focus-progress-row>div:first-child{color:#aebbb9;justify-content:space-between;gap:10px;font-size:12px;display:flex}.focus-score-footer{grid-template-columns:1fr 1fr;gap:8px;display:grid}.focus-score-footer span{color:#dce6e4;border:1px solid #ffffff14;border-radius:6px;justify-content:center;align-items:center;gap:7px;min-height:36px;font-size:12px;font-weight:800;display:flex}.focus-score-footer svg{color:var(--signal)}.metric-ribbon{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-top:0;border-radius:0 0 8px 8px;grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:16px;display:grid}.metric-ribbon .student-metric{border:0;border-right:1px solid var(--line);min-height:104px;box-shadow:none;border-radius:0;grid-template-columns:42px minmax(0,1fr);align-items:center;gap:11px;padding:16px 18px;display:grid}.metric-ribbon .student-metric:last-child{border-right:0}.metric-icon{background:#edf7f5;border-radius:7px;place-items:center;width:40px;height:40px;margin:0;display:grid}.student-metric.blue .metric-icon{background:#edf3ff}.student-metric.green .metric-icon{background:#eaf7ef}.student-metric.amber .metric-icon{background:#fff5da}.student-metric .metric-icon svg{margin:0}.student-metric strong,.student-metric small,.student-metric span{display:block}.student-metric strong{margin-top:3px;font-size:24px}.student-metric small{color:var(--muted);margin-top:4px;font-size:11px;font-weight:700}.today-command-grid{grid-template-columns:minmax(0,1.35fr) minmax(360px,.65fr);gap:16px;margin-bottom:16px;display:grid}.student-panel{background:#fff;padding:20px;box-shadow:0 10px 30px #1017180e}.inline-title{align-items:center}.momentum-total{text-align:right}.momentum-total strong,.momentum-total span{display:block}.momentum-total strong{font-size:24px}.momentum-total span{color:var(--muted);font-size:11px;font-weight:800}.weekly-chart{grid-template-columns:repeat(7,minmax(44px,1fr));gap:9px;min-height:190px;padding-top:8px;display:grid}.activity-day{grid-template-rows:132px auto auto;justify-items:center;gap:4px;display:grid}.activity-value{border-bottom:1px solid var(--line);justify-content:center;align-items:flex-end;width:100%;height:132px;display:flex;position:relative}.activity-value>i{width:min(42px,72%);height:var(--bar-height);background:#dfe8e6;border-radius:6px 6px 2px 2px;min-height:9px;transition:height .3s}.activity-value>b{z-index:1;color:var(--ink);font-size:11px;position:absolute;top:4px}.activity-day>strong{color:var(--muted);text-transform:uppercase;font-size:11px}.activity-day.today>strong{color:var(--teal)}.activity-day>small{color:#8b9695;font-size:10px}.momentum-foot{border-top:1px solid var(--line);flex-wrap:wrap;gap:8px;padding-top:13px;display:flex}.momentum-foot span{color:var(--muted);align-items:center;gap:7px;font-size:12px;font-weight:800;display:flex}.momentum-foot svg{color:var(--teal)}.plan-steps{gap:9px;display:grid}.plan-step{border:1px solid var(--line);background:#fafcfb;border-radius:7px;grid-template-columns:34px minmax(0,1fr) auto;align-items:center;gap:10px;min-height:72px;padding:10px;display:grid}.plan-step.current{background:#eef8f6;border-color:#087f7357}.plan-step>span{width:32px;height:32px;color:var(--muted);background:#e9efee;border-radius:50%;place-items:center;font-size:11px;font-weight:900;display:grid}.plan-step.current>span{background:var(--teal);color:#fff}.plan-step.done>span{color:var(--green);background:#e5f6ed}.plan-step strong,.plan-step small{display:block}.plan-step strong{font-size:13px}.plan-step small{color:var(--muted);margin-top:4px;font-size:11px}.plan-step>button{background:var(--ink);color:#fff;border:0;border-radius:6px;place-items:center;width:34px;height:34px;display:grid}.plan-step>b,.plan-step>svg{color:var(--teal);font-size:12px}.home-detail-grid{grid-template-columns:minmax(0,1.25fr) minmax(350px,.75fr)}.class-live{border:1px solid var(--line);background:#f8fbfa;border-radius:6px;align-items:center;gap:8px;min-height:30px;padding:0 9px;color:var(--green)!important;font-size:11px!important;display:inline-flex!important}.podium-list{gap:8px;display:grid}.podium-row{border-bottom:1px solid var(--line);grid-template-columns:28px 36px minmax(0,1fr) auto;align-items:center;gap:9px;min-height:58px;padding:6px 2px;display:grid}.podium-row.me{background:#eef8f6;border-radius:7px;padding:7px}.podium-row>span{color:var(--amber);text-align:center;font-size:12px;font-weight:900}.podium-avatar{background:var(--ink);color:#fff;border-radius:50%;place-items:center;width:34px;height:34px;font-size:10px;font-weight:900;display:grid}.podium-row strong,.podium-row small{display:block}.podium-row strong{font-size:13px}.podium-row small{color:var(--muted);margin-top:3px;font-size:10px;font-weight:700}.podium-row>b{font-size:12px}.class-pulse-stats{grid-template-columns:repeat(3,1fr);gap:7px;margin-top:12px;display:grid}.class-pulse-stats span{color:var(--muted);text-align:center;background:#f2f6f5;border-radius:6px;padding:9px;font-size:10px;font-weight:800}.class-pulse-stats b{color:var(--ink);margin-bottom:3px;font-size:16px;display:block}.arena-head{color:#fff;min-height:290px;box-shadow:var(--shadow);background:#111a1b;border:1px solid #1e2d2e;border-radius:8px;grid-template-columns:minmax(0,1.1fr) minmax(450px,.9fr);margin-bottom:16px;display:grid;position:relative;overflow:hidden}.arena-head:before{background:var(--signal);content:"";width:7px;height:100%;position:absolute;top:0;left:0}.arena-copy{flex-direction:column;justify-content:center;align-items:flex-start;padding:30px 34px;display:flex}.arena-eyebrow{color:var(--signal)}.arena-copy h2{max-width:680px;margin:18px 0 8px;font-size:42px;line-height:1.05}.arena-copy>p{color:#b9c7c5;margin-bottom:0}.arena-stats{border-left:1px solid #ffffff14;grid-template-columns:repeat(2,1fr);display:grid}.arena-stats article{border-bottom:1px solid #ffffff14;border-right:1px solid #ffffff14;flex-direction:column;justify-content:center;min-width:0;padding:20px;display:flex}.arena-stats article:nth-child(2n){border-right:0}.arena-stats article:nth-child(n+3){border-bottom:0}.arena-stats span,.arena-stats article>small{color:#91a19f;text-transform:uppercase;font-size:11px;font-weight:800}.arena-stats strong{margin:5px 0;font-size:34px;line-height:1;display:block}.arena-stats strong small{color:var(--signal);margin:0 2px;font-size:15px}.arena-stats article>div{background:#ffffff1a;border-radius:999px;height:5px;margin-top:7px;overflow:hidden}.arena-stats article>div i{border-radius:inherit;background:var(--signal);height:100%;display:block}.quiz-board{background:#fff}.quiz-card-button{background:#fbfcfc;border-color:#e1e8e6;min-height:196px;padding:14px;transition:border-color .16s,transform .16s,box-shadow .16s;position:relative;overflow:hidden}.quiz-card-button:before{background:var(--blue);content:"";width:4px;height:100%;position:absolute;top:0;left:0}.quiz-card-button:hover{background:#fff;border-color:#087f7359;transform:translateY(-2px);box-shadow:0 12px 28px #10171817}.quiz-workspace{border-color:#cfdad8;min-height:520px;position:sticky;top:18px;box-shadow:0 18px 42px #10171817}.quiz-workspace-head{border-bottom:1px solid var(--line);padding-bottom:15px}.quiz-workspace-head h2{font-size:24px}.quiz-time{min-width:94px;color:var(--teal-strong);font-variant-numeric:tabular-nums;background:#f0f6f5;border-color:#cbd7d5;justify-content:center}.quiz-progress-head{justify-content:space-between;align-items:flex-end;gap:12px;display:flex}.quiz-progress-head span,.quiz-progress-head strong{display:block}.quiz-progress-head span{color:var(--muted);text-transform:uppercase;font-size:10px;font-weight:900}.quiz-progress-head strong{margin-top:3px;font-size:13px}.quiz-progress-head>b{color:var(--teal);font-size:13px}.quiz-progress-track{background:#e7edec;height:7px}.quiz-progress-track i{background:var(--teal);transition:width .22s}.question-navigator{flex-wrap:wrap;gap:7px;display:flex}.question-navigator button{border:1px solid var(--line);width:34px;height:34px;color:var(--muted);background:#fff;border-radius:6px;place-items:center;font-size:11px;font-weight:900;display:grid}.question-navigator button.active{border-color:var(--ink);background:var(--ink);color:#fff}.question-block{background:#f8faf9;padding:18px}.question-title{grid-template-columns:38px minmax(0,1fr);margin-bottom:16px}.question-title>span{background:var(--signal);width:38px;height:38px;color:var(--ink)}.question-title strong{font-size:15px;line-height:1.45}.answer-option{border-color:#d8e1df;min-height:50px;padding:9px 11px}.answer-option.selected span{background:var(--teal)}.quiz-workspace-actions{justify-content:space-between;align-items:center;gap:10px;display:flex}.workspace-nav-button{border:1px solid var(--line);min-height:44px;color:var(--ink);background:#fff;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:0 14px;font-weight:900;display:inline-flex}.quiz-submit-note{color:var(--muted);text-align:right;margin:-5px 0 0;font-size:11px;font-weight:700}.result-score{align-content:center;min-height:190px;background:var(--ink)!important}.result-score>svg{color:var(--signal);margin-bottom:9px}.result-score>small{color:#aebbb9;margin-top:7px;font-size:11px;font-weight:700}.review-row{grid-template-columns:34px minmax(0,1fr);padding:13px}.review-row>span{border-radius:50%;place-items:center;width:32px;height:32px;display:grid}.review-row.correct>span{color:var(--green);background:#e8f7ee}.review-row.wrong>span{color:var(--rose);background:#fff0f3}.review-row small,.review-row strong,.review-row b,.review-row div>span{display:block}.review-row small{color:var(--muted);text-transform:uppercase;margin-bottom:4px;font-size:10px;font-weight:900}.review-row b{color:var(--teal-strong);margin:6px 0 4px;font-size:12px}.review-row div>span{margin-top:5px;line-height:1.45}@media (max-width:1280px){.student-shell{grid-template-columns:82px minmax(0,1fr)}.student-main{max-width:calc(100vw - 82px);padding-left:22px;padding-right:22px}.student-rail{width:82px}.student-brand div:not(.student-brand-mark),.student-nav-item span,.rail-user>div,.rail-level>div{display:none}.student-brand,.rail-user{justify-content:center}.rail-level{grid-template-columns:1fr;justify-items:center}}@media (max-width:1050px){.focus-stage,.arena-head,.quiz-dashboard-grid,.today-command-grid,.student-grid,.student-grid.lower,.student-grid.compact,.home-detail-grid{grid-template-columns:1fr}.focus-scoreboard{border-top:1px solid #ffffff1a;border-left:0;grid-template-columns:auto minmax(200px,1fr)}.focus-scoreboard-head{grid-column:1/-1}.focus-scoreboard .score-ring{grid-row:span 2}.arena-stats{border-top:1px solid #ffffff14;border-left:0}.quiz-workspace{position:static}}@media (max-width:820px){.student-shell{display:block}.student-rail{z-index:20;border:1px solid #ffffff1a;border-radius:8px;width:auto;height:66px;padding:8px;position:fixed;inset:auto 10px 10px;box-shadow:0 16px 34px #10171847}.student-brand,.rail-profile{display:none}.student-nav{grid-template-columns:repeat(5,minmax(48px,1fr));gap:4px;height:100%}.student-nav-item{min-height:48px;padding:0}.student-nav-item.active:before{border-radius:3px 3px 0 0;width:24px;height:3px;top:auto;bottom:-8px;left:50%;transform:translate(-50%)}.student-main{grid-column:auto;max-width:100vw;padding:18px 14px 96px}.student-topbar{align-items:flex-start;min-height:68px;padding-right:50px;position:relative}.student-top-actions .api-pill{display:none}.student-top-actions{width:42px;position:absolute;top:0;right:0}.student-top-actions .icon-button{width:42px}.focus-stage{min-height:auto}.focus-stage-copy,.arena-copy{padding:22px 18px}.focus-stage h2,.arena-copy h2{font-size:32px}.focus-scoreboard{grid-template-columns:1fr;padding:20px 18px;display:grid}.focus-scoreboard .score-ring{grid-row:auto}.metric-ribbon{grid-template-columns:repeat(2,minmax(0,1fr))}.metric-ribbon .student-metric{border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:96px;padding:13px}.metric-ribbon .student-metric:nth-child(2n){border-right:0}.metric-ribbon .student-metric:nth-child(n+3){border-bottom:0}.weekly-chart{gap:4px;overflow:hidden}.activity-day{grid-template-rows:112px auto auto}.activity-value{height:112px}.activity-day>small{display:none}.arena-stats,.quiz-widget-grid,.quiz-card-grid{grid-template-columns:1fr}.arena-stats article,.arena-stats article:nth-child(n+3){border-bottom:1px solid #ffffff14;border-right:0;min-height:112px}.arena-stats article:last-child{border-bottom:0}.quiz-workspace-head,.section-title.inline-title{flex-direction:row}.quiz-workspace-actions{flex-direction:column-reverse;align-items:stretch}.quiz-workspace-actions>button{width:100%}.class-pulse-stats{grid-template-columns:1fr}}@media (max-width:460px){.student-topbar h1{font-size:23px}.focus-stage h2,.arena-copy h2{font-size:28px}.focus-facts{grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.focus-facts span{flex-direction:column;align-items:flex-start;min-height:64px;padding:9px}.metric-ribbon .student-metric{grid-template-columns:34px minmax(0,1fr);gap:8px}.metric-icon{width:34px;height:34px}.student-metric strong{font-size:20px}.momentum-panel,.daily-plan,.quiz-board,.quiz-workspace{padding:15px}.quiz-toolbar,.quiz-segments{width:100%}.quiz-segments{grid-template-columns:repeat(2,1fr);display:grid}.segment:last-child{grid-column:1/-1}.podium-row{grid-template-columns:24px 34px minmax(0,1fr)}.podium-row>b{display:none}}:root{--page:#f6f7fb;--ink:#202633;--muted:#6d7585;--soft:#f9fafc;--surface:#fff;--line:#e5e8ef;--line-strong:#ccd2df;--nav:#fff;--nav-soft:#f0f3ff;--blue:#315efb;--blue-strong:#2448d8;--teal:#12a87e;--teal-strong:#087c5e;--green:#12a87e;--amber:#b57900;--rose:#ef5f67;--violet:#7259d6;--coral:#ff6b61;--yellow:#f3c64d;--signal:#315efb;--shadow:0 14px 38px #27304b12}body{background:var(--page);color:var(--ink)}.student-shell{grid-template-columns:232px minmax(0,1fr)}.student-rail{border-right:1px solid var(--line);width:232px;color:var(--ink);box-shadow:none;background:#fff}.student-brand-mark{background:var(--blue);color:#fff;box-shadow:0 9px 24px #315efb33}.student-brand span,.rail-user small{color:var(--muted)}.student-nav-item{color:#778091}.student-nav-item:hover,.student-nav-item.active{background:var(--nav-soft);color:var(--blue);border-color:#e0e5ff}.rail-profile{border-top-color:var(--line)}.rail-level>span{color:var(--violet)}.rail-level>div{background:#eceffa}.rail-level i{background:var(--violet)}.rail-user>span{color:#c84c44;background:#ffeae7}.student-main{grid-column:2;max-width:calc(100vw - 232px);padding:28px 32px 52px}.student-topbar,.focus-stage,.metric-ribbon,.semester-section,.home-layer-grid,.arena-head,.quiz-dashboard-grid,.quiz-insight-panel,.student-grid{max-width:1460px}.student-topbar{margin-bottom:22px}.student-kicker{color:var(--blue)}.student-topbar h1{color:var(--ink);font-size:28px}.topbar-date{color:var(--muted)}.api-pill,.icon-button{border-color:var(--line);color:var(--ink);background:#fff;box-shadow:0 5px 16px #27304b0d}.notification-dot{background:var(--coral);border-color:#fff}.student-primary,.student-secondary,.workspace-nav-button{transition:transform .15s,box-shadow .15s,background .15s}.student-primary{background:var(--blue);color:#fff;box-shadow:0 10px 20px #315efb2e}.student-primary:hover{background:var(--blue-strong);transform:translateY(-1px)}.focus-stage{min-height:326px;color:var(--ink);box-shadow:var(--shadow);background:#eef1ff;border:0;border-radius:8px 8px 0 0;grid-template-columns:minmax(0,1.4fr) minmax(286px,.6fr)}.focus-stage:after{color:#315efb0b;bottom:-112px;right:34%}.focus-stage-copy{gap:17px;padding:30px 32px}.focus-stage h2{color:#252c3b;max-width:760px;font-size:39px}.focus-scoreboard{color:var(--ink);background:#fff;border:1px solid #e0e4f1;border-radius:8px;margin:18px;padding:22px;box-shadow:0 16px 32px #37457014}.focus-scoreboard-head{color:#788095}.focus-scoreboard-head svg{color:var(--teal)}.focus-scoreboard .score-ring{background:radial-gradient(circle at center, #fff 0 57%, transparent 58%), conic-gradient(var(--blue) var(--score), #e9ecf6 0);width:146px;height:146px}.score-ring strong{color:var(--ink)}.score-ring span,.focus-progress-row>div:first-child{color:var(--muted)}.focus-progress-row b{color:var(--ink)}.focus-progress-track{background:#e9ecf5}.metric-ribbon{border-color:var(--line);background:#fff}.metric-ribbon .student-metric{border-right-color:var(--line)}.metric-icon{background:#eef2ff}.student-metric.blue .metric-icon{color:var(--blue);background:#eaf0ff}.student-metric.green .metric-icon{color:var(--green);background:#e7f8f2}.student-metric.coral .metric-icon{color:var(--coral);background:#ffebe8}.student-metric.yellow .metric-icon{color:#a46e00;background:#fff6d8}.semester-section{width:100%;margin:28px auto 18px}.semester-title{margin-bottom:14px}.semester-title small{color:var(--muted);font-size:12px;font-weight:800}.discipline-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.discipline-card{border:1px solid var(--line);border-top:4px solid var(--blue);background:#fff;border-radius:8px;gap:18px;min-height:238px;padding:18px;transition:transform .16s,box-shadow .16s;display:grid;box-shadow:0 10px 30px #27304b0e}.discipline-card-head{justify-content:space-between;align-items:center;display:flex}.discipline-card-head>span{width:40px;height:40px;color:var(--teal);background:#e9f8f3;border-radius:8px;place-items:center;display:grid}.physics .discipline-card-head>span{color:var(--violet);background:#f0edff}.chemistry .discipline-card-head>span{color:var(--coral);background:#ffebe8}.discipline-card-head small{color:#abb1bf;font-size:12px;font-weight:900}.discipline-card h3{margin-bottom:6px;font-size:21px}.discipline-card p{color:var(--muted);margin-bottom:0;font-size:13px;line-height:1.45}.discipline-progress{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;display:grid}.discipline-progress>div{background:#edf0f5;border-radius:999px;height:6px;overflow:hidden}.discipline-progress i{border-radius:inherit;background:var(--teal);height:100%;display:block}.physics .discipline-progress i{background:var(--violet)}.chemistry .discipline-progress i{background:var(--coral)}.discipline-progress b{font-size:12px}.discipline-card>button{border:1px solid var(--line);min-height:42px;color:var(--ink);background:#fafbfc;border-radius:7px;justify-content:space-between;align-items:center;padding:0 11px;font-size:12px;font-weight:900;display:flex}.home-layer-grid{grid-template-columns:minmax(0,1.1fr) minmax(430px,.9fr);gap:16px;width:100%;margin:0 auto;display:grid}.student-panel{border-color:var(--line);background:#fff;box-shadow:0 10px 30px #27304b0d}.section-title span{color:var(--blue)}.compact-lessons{display:grid}.compact-lessons article{border-top:1px solid var(--line);grid-template-columns:62px 8px minmax(0,1fr) 18px;align-items:center;gap:11px;min-height:70px;display:grid}.compact-lessons article:first-child{border-top:0}.compact-lessons time{color:var(--muted);text-transform:uppercase;font-size:11px;font-weight:900}.compact-lessons article>span{background:var(--teal);border-radius:999px;width:7px;height:32px}.compact-lessons article>span.physics{background:var(--violet)}.compact-lessons article>span.chemistry{background:var(--coral)}.compact-lessons strong,.compact-lessons small{display:block}.compact-lessons strong{font-size:13px}.compact-lessons small{color:var(--muted);margin-top:4px;font-size:11px}.compact-lessons svg{color:#aeb4c0}.insight-dock{gap:9px;display:grid}.insight-dock.quiz{grid-template-columns:repeat(5,minmax(0,1fr))}.insight-launch{border:1px solid var(--line);min-height:62px;color:var(--ink);text-align:left;background:#fbfcfe;border-radius:8px;grid-template-columns:38px minmax(0,1fr) 18px;align-items:center;gap:10px;padding:10px;transition:border-color .15s,background .15s,transform .15s;display:grid}.insight-launch:hover{background:#f4f6ff;border-color:#cbd3ff;transform:translate(2px)}.insight-dock.quiz .insight-launch:hover{transform:translateY(-2px)}.insight-launch>span{width:36px;height:36px;color:var(--blue);background:#eaf0ff;border-radius:7px;place-items:center;display:grid}.insight-launch.green>span{color:var(--green);background:#e7f8f2}.insight-launch.coral>span{color:var(--coral);background:#ffebe8}.insight-launch.yellow>span{color:#a46e00;background:#fff6d8}.insight-launch strong,.insight-launch small{display:block}.insight-launch strong{font-size:12px}.insight-launch small{color:var(--muted);margin-top:3px;font-size:11px;font-weight:800}.insight-launch>svg{color:#aeb4c0}.widget-sheet-backdrop{z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#1d233257;justify-content:flex-end;animation:.16s ease-out sheet-fade;display:flex;position:fixed;inset:0}.widget-sheet{background:#fff;width:min(560px,100vw - 24px);height:100%;padding:0;animation:.22s ease-out sheet-in;overflow-y:auto;box-shadow:-24px 0 60px #1f28422e}.widget-sheet>header{z-index:2;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffffff5;grid-template-columns:44px minmax(0,1fr) 42px;align-items:center;gap:12px;min-height:92px;padding:16px 22px;display:grid;position:sticky;top:0}.widget-sheet-icon{width:42px;height:42px;color:var(--blue);background:#eef2ff;border-radius:8px;place-items:center;display:grid}.widget-sheet header span{color:var(--blue);text-transform:uppercase;font-size:10px;font-weight:900}.widget-sheet header h2{margin:3px 0 0;font-size:20px}.widget-sheet-body{padding:22px}.widget-sheet-body>.student-panel{box-shadow:none;border:0;padding:0}.widget-sheet-body>.student-panel>.section-title{display:none}.widget-sheet-body>.momentum-panel>.section-title{justify-content:flex-end;display:flex}.widget-sheet-body>.momentum-panel>.section-title>div:first-child{display:none}.activity-value>i{background:#dfe5ff}.activity-day.today .activity-value>i,.activity-day:hover .activity-value>i{background:var(--blue)}@keyframes sheet-in{0%{transform:translate(100%)}to{transform:translate(0)}}@keyframes sheet-fade{0%{opacity:0}to{opacity:1}}.arena-head{min-height:264px;color:var(--ink);box-shadow:var(--shadow);background:#edf6ff;border:0;grid-template-columns:minmax(0,1.25fr) minmax(420px,.75fr)}.arena-copy h2{max-width:660px;color:var(--ink);font-size:38px}.arena-stats article{border-right-color:var(--line);border-bottom-color:var(--line)}.arena-stats span,.arena-stats article>small{color:var(--muted)}.arena-stats strong{color:var(--ink)}.arena-stats strong small{color:var(--blue)}.arena-stats article>div{background:#e9edf5}.arena-stats article>div i{background:var(--blue)}.quiz-dashboard-grid{grid-template-columns:minmax(400px,.78fr) minmax(520px,1.22fr)}.quiz-board,.quiz-workspace{background:#fff}.quiz-search,.quiz-card-button,.question-block,.answer-option{background:#fbfcfe}.segment.active,.segment:hover{color:var(--blue);background:#eef2ff;border-color:#c7d1ff}.quiz-card-button:hover{background:#fff;border-color:#bdc9ff}.difficulty-track span{background:var(--violet)}.quiz-workspace{border-color:var(--line)}.quiz-time{color:var(--blue);background:#f3f5ff;border-color:#dce2f2}.quiz-progress-track{background:#e9edf5}.quiz-progress-track i,.answer-option.selected span{background:var(--blue)}.question-navigator button.answered{color:var(--teal-strong);background:#eaf8f3;border-color:#bee9dc}.question-navigator button.active{border-color:var(--blue);background:var(--blue)}.question-title>span{color:var(--blue);background:#eaf0ff}.answer-option:hover,.answer-option.selected{border-color:var(--blue);background:#eef2ff}.quiz-insight-panel{width:100%;margin:0 auto 18px}.result-score{color:var(--ink);background:#eef2ff!important}.result-score>small{color:var(--muted)}.study-tile,.leaderboard-row,.hard-row,.category-row,.notification-row,.course-row,.timeline-row,.resource-row,.review-row,.auth-option,.social-button,.profile-box{background:#fbfcfe}.leaderboard-row.me{background:#eef2ff;border-color:#cbd3ff}.leaderboard-row>strong{background:var(--blue)}.wrong-meter i{background:var(--coral)}.wrong-meter b{color:var(--coral)}.accuracy-bar span,.bar span{background:var(--teal)}.coach-signal{color:var(--violet);background:#f0edff}@media (max-width:1280px){.student-shell{grid-template-columns:82px minmax(0,1fr)}.student-rail{width:82px}.student-main{max-width:calc(100vw - 82px)}.insight-dock.quiz{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width:1050px){.focus-stage,.arena-head,.quiz-dashboard-grid,.home-layer-grid{grid-template-columns:1fr}.focus-scoreboard{border-top:1px solid var(--line);grid-template-columns:auto minmax(220px,1fr);margin-top:0}.focus-scoreboard-head{grid-column:1/-1}.focus-scoreboard .score-ring{grid-row:span 2}.arena-stats{border-top-color:var(--line)}.quiz-workspace{position:static}}@media (max-width:820px){.student-rail{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fffffff5;border-color:#dfe3ed;width:auto;left:10px;right:10px;box-shadow:0 16px 38px #222b442e}.student-nav-item{color:#7b8392}.student-main{grid-column:auto;max-width:100vw}.discipline-grid{grid-template-columns:1fr}.discipline-card{min-height:214px}.metric-ribbon{grid-template-columns:repeat(2,minmax(0,1fr))}.insight-dock.quiz{grid-template-columns:1fr}.arena-stats{grid-template-columns:repeat(2,1fr)}.arena-stats article,.arena-stats article:nth-child(n+3){border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:106px}.arena-stats article:nth-child(2n){border-right:0}.arena-stats article:nth-child(n+3){border-bottom:0}.widget-sheet-backdrop{align-items:flex-end}.widget-sheet{border-radius:12px 12px 0 0;width:100%;height:min(82vh,760px);animation-name:sheet-up}.widget-sheet>header{min-height:82px;padding:14px 16px}.widget-sheet-body{padding:18px 16px 28px}@keyframes sheet-up{0%{transform:translateY(100%)}to{transform:translateY(0)}}}.leaderboard-page{gap:16px;width:100%;max-width:1460px;margin:0 auto;display:grid}.leaderboard-page-head{color:#fff;background:#153f37;border-radius:8px;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:24px;min-height:165px;padding:28px;display:grid}.leaderboard-page-head>div:first-child>span{color:#f2d76f;text-transform:uppercase;align-items:center;gap:7px;font-size:10px;font-weight:850;display:flex}.leaderboard-page-head h2{margin:8px 0 5px;font-size:clamp(27px,3vw,38px);line-height:1.04}.leaderboard-page-head p{color:#bdd8d1;margin:0;font-size:11px}.leaderboard-periods{background:#ffffff14;border:1px solid #ffffff24;border-radius:7px;gap:4px;padding:4px;display:flex}.leaderboard-periods button{color:#bcd7d0;cursor:pointer;background:0 0;border:0;border-radius:5px;height:35px;padding:0 11px;font-size:9px;font-weight:800}.leaderboard-periods button.active{color:#173b33;background:#f2c84b}.leaderboard-page-summary{background:#fff;border:1px solid #d9e4df;border-radius:7px;grid-template-columns:repeat(4,1fr);display:grid;overflow:hidden}.leaderboard-page-summary>div{border-right:1px solid #e2e9e6;align-content:center;place-items:center;gap:2px;min-height:74px;display:grid}.leaderboard-page-summary>div:last-child{border-right:0}.leaderboard-page-summary strong{color:#173f37;font-size:21px}.leaderboard-page-summary span{color:#7d8a85;font-size:8px}.leaderboard-podium{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.leaderboard-podium article{background:#fff;border:1px solid #dce5e1;border-top:3px solid #7db8a8;border-radius:7px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;min-height:148px;padding:17px;display:grid}.leaderboard-podium article.winner{background:#fffdf5;border-top-color:#e6b92e}.podium-rank{color:#1d6f60;background:#e6f2ee;border-radius:6px;place-items:center;width:34px;height:34px;font-size:10px;font-weight:900;display:grid}.winner .podium-rank{color:#8b6710;background:#fff0bc}.podium-person{grid-template-columns:auto minmax(0,1fr);align-items:center;gap:0 9px;min-width:0;display:grid}.podium-person>img,.podium-person>span{object-fit:cover;color:#1e695a;background:#dcebe6;border-radius:50%;grid-row:1/3;place-items:center;width:36px;height:36px;font-size:9px;font-weight:850;display:grid}.podium-person strong,.podium-person small{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.podium-person strong{font-size:10px}.podium-person small{color:#7f8c87;font-size:8px}.podium-score{text-align:right;display:grid}.podium-score strong{color:#1d6f60;font-size:18px}.podium-score span{color:#82908a;font-size:8px}.leaderboard-zero{color:#7c8984;text-align:center;background:#fff;border:1px solid #dce5e1;border-radius:7px;grid-column:1/-1;align-content:center;place-items:center;gap:7px;min-height:190px;display:grid}.leaderboard-zero svg{color:#b18a1e}.leaderboard-zero strong{color:#43514c;font-size:12px}.leaderboard-zero span{font-size:9px}.leaderboard-table{background:#fff;border:1px solid #d9e4df;border-radius:7px;overflow:hidden}.leaderboard-table>header,.leaderboard-table>article{grid-template-columns:54px minmax(220px,1.5fr) repeat(4,78px) 90px;align-items:center;gap:10px;display:grid}.leaderboard-table>header{color:#87938e;text-transform:uppercase;background:#f5f9f7;min-height:38px;padding:0 14px;font-size:8px;font-weight:850}.leaderboard-table>article{border-top:1px solid #e5ebe8;min-height:66px;padding:8px 14px}.leaderboard-table>article.me{background:#eaf5f1}.leaderboard-table>article>b{color:#266f60;font-size:10px}.leaderboard-table>article>div{grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:8px;min-width:0;display:grid}.leaderboard-table article img,.leaderboard-table article div>span{object-fit:cover;color:#1e695a;background:#dcebe6;border-radius:50%;place-items:center;width:31px;height:31px;font-size:8px;font-weight:850;display:grid}.leaderboard-table article div>strong{text-overflow:ellipsis;white-space:nowrap;font-size:10px;overflow:hidden}.leaderboard-table article div>small{color:#fff;background:#176b5c;border-radius:4px;padding:3px 5px;font-size:7px}.leaderboard-table article>span{font-size:9px}.leaderboard-table article>strong{color:#173f37;font-size:11px}.leaderboard-loading{color:#718079;justify-content:center;align-items:center;gap:8px;min-height:280px;font-size:10px;display:flex}.lb-code{letter-spacing:.14em;text-transform:uppercase;font-family:ui-monospace,SF Mono,Menlo,monospace}.lb-code em{color:#fff;letter-spacing:.03em;vertical-align:middle;background:#176b5c;border-radius:999px;margin-left:6px;padding:1px 6px;font-size:.7em;font-style:normal}.podium-avatar.code{letter-spacing:.05em;font-size:9px}.leaderboard-table article .code-avatar,.podium-person .code-avatar{letter-spacing:.04em}@media (max-width:820px){.student-nav{grid-template-columns:repeat(7,minmax(38px,1fr));gap:2px}.leaderboard-page-head{grid-template-columns:1fr;align-items:start;min-height:225px;padding:22px}.leaderboard-periods{width:100%}.leaderboard-periods button{flex:1}.leaderboard-podium{grid-template-columns:1fr}.leaderboard-table{overflow-x:auto}.leaderboard-table>header,.leaderboard-table>article{min-width:730px}}@media (max-width:520px){.leaderboard-page-summary{grid-template-columns:1fr 1fr}.leaderboard-page-summary>div:nth-child(2){border-right:0}.leaderboard-page-summary>div:nth-child(-n+2){border-bottom:1px solid #e2e9e6}.leaderboard-podium article{min-height:120px}.student-main{padding-left:13px;padding-right:13px}.focus-stage-copy,.arena-copy{padding:22px 19px}.focus-stage h2,.arena-copy h2{font-size:29px}.focus-scoreboard{grid-template-columns:116px minmax(0,1fr);align-items:center;margin:0 12px 12px;padding:16px}.focus-scoreboard-head{grid-column:1/-1}.focus-scoreboard .score-ring{grid-row:auto;width:112px;height:112px}.focus-scoreboard .score-ring strong{font-size:35px}.discipline-grid,.home-layer-grid{gap:10px}.compact-lessons article{grid-template-columns:54px 7px minmax(0,1fr)}.compact-lessons article>svg{display:none}.insight-launch{min-height:58px}}.starter-roadmap{border:1px solid var(--line);background:#fff;border-radius:8px;grid-template-columns:210px minmax(0,1fr);align-items:stretch;width:100%;max-width:1460px;min-height:96px;margin:16px auto 26px;display:grid;overflow:hidden;box-shadow:0 10px 28px #27304b0b}.starter-roadmap-head{border-right:1px solid var(--line);background:#f7f8ff;align-content:center;gap:11px;padding:17px 20px;display:grid}.starter-roadmap-head span,.starter-roadmap-head strong{display:block}.starter-roadmap-head span{color:var(--blue);text-transform:uppercase;font-size:10px;font-weight:900}.starter-roadmap-head strong{margin-top:4px;font-size:16px}.starter-roadmap-head>div:last-child{background:#e3e7f4;border-radius:999px;height:5px;overflow:hidden}.starter-roadmap-head i{border-radius:inherit;background:var(--blue);height:100%;display:block}.starter-steps{grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.starter-step{border:0;border-right:1px solid var(--line);min-width:0;color:var(--ink);text-align:left;background:#fff;grid-template-columns:32px minmax(0,1fr) 18px;align-items:center;gap:10px;padding:14px 16px;display:grid}.starter-step:last-child{border-right:0}button.starter-step:hover{background:#f3f5ff}.starter-step>span{color:#8b93a2;background:#eef0f5;border-radius:50%;place-items:center;width:30px;height:30px;font-size:10px;font-weight:900;display:grid}.starter-step.current>span{background:var(--blue);color:#fff;box-shadow:0 7px 16px #315efb33}.starter-step.done>span{color:var(--teal);background:#e7f8f2}.starter-step strong,.starter-step small{display:block}.starter-step strong{text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.starter-step small{color:var(--muted);margin-top:4px;font-size:10px;line-height:1.35}.starter-step.pending{color:#8d94a2}.starter-step>svg{color:var(--blue)}.discipline-card-head>button{border:1px solid var(--line);color:#9198a7;background:#fff;border-radius:6px;align-items:center;gap:5px;min-height:30px;padding:0 8px;font-size:10px;font-weight:900;display:inline-flex}.discipline-card-head>button:hover{color:var(--blue);border-color:#cbd3ff}.subject-sheet{gap:20px;display:grid}.subject-sheet-hero{background:#eef9f5;border-radius:8px;grid-template-columns:52px minmax(0,1fr);gap:14px;padding:18px;display:grid}.subject-sheet.physics .subject-sheet-hero{background:#f2efff}.subject-sheet.chemistry .subject-sheet-hero{background:#fff0ee}.subject-sheet-mark{width:50px;height:50px;color:var(--teal);background:#fff;border-radius:8px;place-items:center;display:grid;box-shadow:0 8px 22px #27304b12}.subject-sheet.physics .subject-sheet-mark{color:var(--violet)}.subject-sheet.chemistry .subject-sheet-mark{color:var(--coral)}.subject-sheet-hero span{color:var(--blue);text-transform:uppercase;font-size:9px;font-weight:900}.subject-sheet-hero h3{margin:3px 0 6px;font-size:22px}.subject-sheet-hero p{color:var(--muted);margin:0;font-size:12px;line-height:1.5}.subject-score-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.subject-score-grid article{border:1px solid var(--line);background:#fbfcfe;border-radius:8px;min-width:0;padding:13px}.subject-score-grid span,.subject-score-grid strong,.subject-score-grid small{display:block}.subject-score-grid span{color:var(--muted);text-transform:uppercase;font-size:9px;font-weight:900}.subject-score-grid strong{margin:6px 0 3px;font-size:23px}.subject-score-grid small{color:var(--muted);font-size:10px}.subject-zero-note,.new-rank-banner,.empty-insight{color:var(--blue);background:#f5f6ff;border:1px solid #d9dff8;border-radius:8px;grid-template-columns:34px minmax(0,1fr);align-items:center;gap:11px;padding:14px;display:grid}.subject-zero-note strong,.subject-zero-note span,.new-rank-banner strong,.new-rank-banner span,.empty-insight strong,.empty-insight span{display:block}.subject-zero-note strong,.new-rank-banner strong,.empty-insight strong{color:var(--ink);font-size:13px}.subject-zero-note span,.new-rank-banner span,.empty-insight span{color:var(--muted);margin-top:3px;font-size:11px;line-height:1.45}.new-rank-banner{margin-bottom:14px}.empty-insight{text-align:center;border-style:dashed;grid-template-columns:1fr;justify-items:center;min-height:220px}.empty-insight span{max-width:320px}.subject-sheet-list{border-top:1px solid var(--line);display:grid}.subject-sheet-list-title{justify-content:space-between;align-items:center;padding:14px 2px 8px;display:flex}.subject-sheet-list-title span{color:var(--muted);text-transform:uppercase;font-size:10px;font-weight:900}.subject-sheet-list-title b{width:25px;height:25px;color:var(--blue);background:#eef2ff;border-radius:50%;place-items:center;font-size:10px;display:grid}.subject-sheet-list>article{border-bottom:1px solid var(--line);grid-template-columns:28px minmax(0,1fr);gap:10px;padding:12px 2px;display:grid}.subject-sheet-list>article>svg{color:var(--blue)}.subject-sheet-list strong,.subject-sheet-list span{display:block}.subject-sheet-list strong{font-size:12px}.subject-sheet-list span{color:var(--muted);margin-top:4px;font-size:10px}@media (max-width:1120px){.starter-roadmap{grid-template-columns:1fr}.starter-roadmap-head{border-right:0;border-bottom:1px solid var(--line);grid-template-columns:auto minmax(140px,.4fr);align-items:center}}@media (max-width:820px){.starter-steps{grid-template-columns:1fr}.starter-step{border-right:0;border-bottom:1px solid var(--line);min-height:66px}.starter-step:last-child{border-bottom:0}}@media (max-width:520px){.starter-roadmap{margin-top:10px;margin-bottom:22px}.starter-roadmap-head,.subject-score-grid{grid-template-columns:1fr}}.student-shell{--blue:#176f5e;--blue-strong:#105548;--teal:#2a927c;--teal-strong:#166654;--green:#278f68;--nav-soft:#ffffff1a;--page:#eef4f1;--line:#d9e4df;--ink:#172621;--muted:#71817a;--shadow:0 15px 36px #163b3114;background:#eef4f1}.student-rail{color:#f7fffc;background:#123f38;border-right:0}.student-brand-mark{color:#123f38;background:#f2c84b;box-shadow:0 10px 26px #08231d38}.student-brand span,.student-rail .rail-user small{color:#9ec5bb}.student-nav-item{color:#acd0c7;border-color:#0000}.student-nav-item:hover,.student-nav-item.active{color:#fff;background:#ffffff1a;border-color:#ffffff1f}.student-nav-item.active:before{background:#f2c84b}.student-rail .rail-profile{border-top-color:#ffffff21}.student-rail .rail-level>span{color:#f2d76f}.student-rail .rail-level>div{background:#ffffff21}.student-rail .rail-level i{background:#f2c84b}.student-rail .rail-user>span{color:#145b4d;background:#dff4ec}.student-rail .rail-user strong{color:#fff}.student-main{background:#eef4f1}.student-kicker,.section-title span{color:#176f5e}.api-pill.online{color:#145f50;background:#e5f6f0;border-color:#bfe4d7}.student-primary{color:#153b34;background:#f2c84b;box-shadow:0 10px 22px #755b0a2e}.student-primary:hover{color:#102f29;background:#e4b934}.student-secondary,.student-secondary.dark-copy{color:#24433a;background:#fff;border-color:#cfddd7}.focus-stage{color:#f8fffc;background:#123f38;box-shadow:0 18px 46px #0f362d29}.focus-overline b{color:#f2d76f;border-left-color:#ffffff38}.focus-path{color:#f2d76f}.focus-stage h2{color:#fff}.focus-description{color:#bdd8d1}.focus-facts span{color:#cbe1dc;background:#ffffff14;border-color:#ffffff29}.focus-facts b{color:#fff}.focus-scoreboard{border-color:#ffffff59;box-shadow:0 18px 38px #041e1838}.focus-scoreboard .score-ring{background:radial-gradient(circle at center, #fff 0 57%, transparent 58%), conic-gradient(#26927b var(--score), #e5eee9 0)}.focus-progress-track i{background:#26927b}.metric-ribbon,.student-panel,.starter-roadmap,.discipline-card{border-color:#d8e3de;box-shadow:0 11px 30px #183d330e}.starter-roadmap-head{background:#e6f2ee}.starter-roadmap-head span,.starter-step.current strong{color:#176f5e}.starter-step.current>span{background:#176f5e}.discipline-card.biology{border-top-color:#2b9a77}.discipline-card.physics{border-top-color:#7163c8}.discipline-card.chemistry{border-top-color:#ea6d60}.discipline-card>button:hover{color:#176f5e;background:#eff8f4;border-color:#9dcbbd}.insight-launch{background:#f7faf8}.insight-launch:hover{background:#edf7f3;border-color:#a8cfc3}.insight-launch>span,.widget-sheet-icon{color:#176f5e;background:#e3f2ed}.widget-sheet-backdrop{background:#09272066}.arena-head{color:#fff;background:#153f37;box-shadow:0 18px 44px #0f362d26}.arena-head:before{background:#f2c84b}.arena-copy h2{color:#fff}.arena-copy>p{color:#bdd8d1}.arena-stats{background:#fff;border-left-color:#ffffff24}.arena-stats article>div i,.quiz-progress-track i,.answer-option.selected span,.leaderboard-row>strong{background:#176f5e}.segment.active,.segment:hover,.answer-option:hover,.answer-option.selected,.leaderboard-row.me{color:#176f5e;background:#e9f5f0;border-color:#a8cfc3}.quiz-card-button:before{background:#26927b}.question-navigator button.active{background:#176f5e;border-color:#176f5e}.question-title>span,.result-score{color:#173f37;background:#e5f3ee!important}.result-score>svg{color:#176f5e}@media (max-width:820px){.student-rail{background:#123f38;border:1px solid #ffffff1c;box-shadow:0 12px 34px #08251e47}}.student-nav-more,.mobile-nav-scrim{display:none}.student-nav-overflow{display:contents}@media (max-width:820px){.student-rail{z-index:40;right:12px;bottom:max(8px, env(safe-area-inset-bottom));height:64px;padding:6px;left:12px}.student-nav{grid-template-columns:repeat(5,minmax(0,1fr));gap:4px;position:relative;overflow:visible}.student-nav>.student-nav-item,.student-nav-more,.student-nav-overflow .student-nav-item{text-align:center;border-radius:6px;grid-template-rows:21px 12px;align-content:center;place-items:center;gap:2px;min-width:0;min-height:50px;padding:3px 2px;display:grid}.student-nav-item span,.student-nav-more span{max-width:100%;color:inherit;text-overflow:ellipsis;white-space:nowrap;font-size:9px;font-weight:750;line-height:12px;display:block;overflow:hidden}.student-nav-item.active:before{border-radius:0 0 3px 3px;width:18px;height:3px;top:-6px;bottom:auto}.student-nav-more{color:#acd0c7;width:100%}.student-nav-overflow{opacity:0;pointer-events:none;transform-origin:100% 100%;background:#123f38;border:1px solid #ffffff1f;border-radius:8px;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;width:min(286px,100vw - 24px);padding:6px;transition:opacity .16s,transform .16s;display:grid;position:absolute;bottom:calc(100% + 12px);right:0;transform:translateY(8px)scale(.98);box-shadow:0 18px 44px #08251e4d}.student-nav-overflow.open{opacity:1;pointer-events:auto;transform:translateY(0)scale(1)}.student-nav-overflow .student-nav-item.active:before{display:none}.mobile-nav-scrim{z-index:39;background:#09272014;border:0;padding:0;display:block;position:fixed;inset:0}}h1,h2,h3{font-family:var(--font-display,var(--font-sans,"Inter")), ui-sans-serif, system-ui, sans-serif;letter-spacing:-.015em;text-wrap:balance}::selection{color:var(--ink);background:#087f732e}:focus-visible{outline-offset:2px;outline:2px solid #087f73a6}.student-rail :focus-visible,.focus-stage :focus-visible,.arena-head :focus-visible,.materials-hero :focus-visible{outline-color:#f7c948cc}button,.student-nav-item,.icon-button,.quiz-row{transition:background-color .15s,border-color .15s,color .15s,box-shadow .2s,transform .14s}button:not(:disabled):active{transform:scale(.975)}.student-shell{position:relative}.student-shell:before{content:"";z-index:-1;pointer-events:none;background:radial-gradient(46% 38% at 84% 4%,#087f732b,#0000 68%),radial-gradient(38% 32% at 4% 26%,#f2c84b29,#0000 68%),radial-gradient(32% 30% at 70% 92%,#6a58cf1a,#0000 70%),linear-gradient(#edf3f0 0%,#f2f5f3 100%);animation:26s ease-in-out infinite alternate aurora-drift;position:fixed;inset:-18% -12%}@keyframes aurora-drift{0%{transform:translate(-1.5%,-1%)scale(1)}to{transform:translate(1.5%,2%)scale(1.07)}}@keyframes rise-in{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.student-main>*{animation:.52s cubic-bezier(.22,1,.36,1) backwards rise-in}.student-main>:nth-child(2){animation-delay:60ms}.student-main>:nth-child(3){animation-delay:.11s}.student-main>:nth-child(4){animation-delay:.16s}.student-main>:nth-child(5){animation-delay:.21s}.student-main>:nth-child(6){animation-delay:.26s}.student-main>:nth-child(n+7){animation-delay:.3s}.student-topbar h1{font-size:clamp(30px,3.2vw,40px);font-weight:800}.student-kicker{text-transform:uppercase;letter-spacing:.09em;background:linear-gradient(90deg,#0b6a5c,#23a672);-webkit-text-fill-color:transparent;color:#0000;-webkit-background-clip:text;background-clip:text}.api-pill{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffffa8;border-color:#ffffffb3}.icon-button{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffffb3;border-color:#ffffffb3;border-radius:12px}.icon-button:hover{border-color:var(--line-strong);transform:translateY(-1px);box-shadow:0 6px 16px #102c261f}.student-rail{background:linear-gradient(202deg,#15473d 0%,#0a2620 78%)}.student-nav-item{color:#c6dad4;border-radius:12px}.student-nav-item:hover{background:#ffffff12;border-color:#ffffff1a}.student-nav-item.active{color:#fff;background:linear-gradient(90deg,#f2c84b33,#ffffff0d 70%);border-color:#f2c84b3d;box-shadow:inset 3px 0 #f2c84b}.focus-stage,.arena-head,.materials-hero,.leaderboard-page-head{background:radial-gradient(760px 380px at 88% -18%,#f2c84b38,#0000 60%),radial-gradient(820px 480px at -14% 118%,#7de0aa2e,#0000 58%),radial-gradient(420px 300px at 40% 118%,#6a58cf24,#0000 65%),linear-gradient(158deg,#1a5a50 0%,#0d332c 88%);border:1px solid #ffffff1f;border-radius:24px;position:relative;overflow:hidden;box-shadow:inset 0 1px #ffffff1a,0 26px 60px #0b2e274d}.focus-stage:after{color:#ffffff09}.focus-overline,.arena-eyebrow{color:#8fe0c2}.focus-facts>span,.hero-chip{background:#ffffff14;border-color:#ffffff29;border-radius:14px}.score-ring{background:radial-gradient(circle at center, #113931 0 55%, transparent 56%), conic-gradient(#f7c948 var(--score), #ffffff24 0);filter:drop-shadow(0 8px 20px #f7c94838)}.student-primary,.student-secondary{border-radius:13px}.student-primary{background:linear-gradient(160deg,#ffe08a 0%,#f5cd52 52%,#e9b830 100%);box-shadow:inset 0 1px #ffffff8c,0 10px 26px #f2c84b5c}.student-primary:hover{background:linear-gradient(160deg,#ffe9a3 0%,#f9d566 52%,#efc23c 100%);transform:translateY(-1px);box-shadow:inset 0 1px #fff9,0 14px 32px #f2c84b75}.student-secondary{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.student-panel,.student-loading,.starter-roadmap,.metric-ribbon,.quiz-hero-main,.readiness-card{-webkit-backdrop-filter:blur(14px)saturate(1.35);backdrop-filter:blur(14px)saturate(1.35);background:#ffffffbd;border:1px solid #ffffffb8;border-radius:20px;box-shadow:0 14px 38px #102c2617}.metric-ribbon{border-top:1px solid #ffffffb8;margin-top:12px;overflow:hidden}.student-panel{transition:box-shadow .22s,transform .22s,border-color .22s}.student-panel:hover{box-shadow:0 20px 48px #102c2621}.metric-icon{border-radius:13px;box-shadow:inset 0 0 0 1px #102c260d}.student-metric strong{background:linear-gradient(120deg,#0b6a5c,#23a672);-webkit-text-fill-color:transparent;color:#0000;-webkit-background-clip:text;background-clip:text}.student-metric.coral strong{background:linear-gradient(120deg,#b93a56,#e06a83);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.student-metric.blue strong{background:linear-gradient(120deg,#2455c8,#4a82f0);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.student-metric.green strong{background:linear-gradient(120deg,#0d7a4b,#2fae74);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.student-metric.yellow strong,.student-metric.amber strong{background:linear-gradient(120deg,#a8791a,#d3a52f);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.discipline-card{border-radius:20px;transition:transform .2s,box-shadow .2s}.discipline-card.biology{background:linear-gradient(#087f7312,#fff0 42%),#fff}.discipline-card.physics{background:linear-gradient(#6a58cf12,#fff0 42%),#fff}.discipline-card.chemistry{background:linear-gradient(#d2476412,#fff0 42%),#fff}.discipline-card:hover{transform:translateY(-5px);box-shadow:0 24px 48px #27304b24}.section-title span{text-transform:uppercase;letter-spacing:.09em;background:linear-gradient(90deg,#0b6a5c,#23a672);-webkit-text-fill-color:transparent;color:#0000;-webkit-background-clip:text;background-clip:text}.quiz-row{border-radius:14px}.quiz-row:hover{transform:translateY(-1px)}.quiz-card-grid>*{border-radius:16px;transition:transform .2s,box-shadow .2s}.quiz-card-grid>:hover{transform:translateY(-3px);box-shadow:0 18px 40px #102c261f}.insight-launch{border-radius:14px}.api-pill,.quiz-time{border-radius:999px}@media (max-width:820px){.student-rail{-webkit-backdrop-filter:blur(18px)saturate(1.6);backdrop-filter:blur(18px)saturate(1.6);background:#0d2d27e0;border-color:#ffffff24;border-radius:20px;box-shadow:inset 0 1px #ffffff14,0 2px 6px #08251e2e,0 18px 40px #08251e57}.student-nav-item.active{box-shadow:none;background:#f2c84b29;border-color:#0000}.student-nav-overflow{background:#113a34;border-radius:18px;box-shadow:0 2px 6px #08251e33,0 18px 44px #08251e5c}.mobile-nav-scrim{background:#09272038}.focus-stage,.arena-head,.materials-hero,.leaderboard-page-head{border-radius:22px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.spin{animation-duration:1.6s!important;animation-iteration-count:infinite!important}.student-shell:before{animation:none!important}}@media (max-width:820px){.student-nav.pilot-nav{grid-template-columns:repeat(3,minmax(0,1fr))}}.profile-essentials{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;width:100%;max-width:1540px;margin:16px auto 0;display:grid}.profile-focus-card{--profile-accent:#176f5e;background:linear-gradient(180deg, color-mix(in srgb, var(--profile-accent) 9%, transparent), #fff0 44%), #ffffffc7;border:1px solid #12182614;border-radius:18px;min-width:0;padding:16px;box-shadow:0 12px 30px #102c2614}.profile-focus-card.physics{--profile-accent:var(--violet)}.profile-focus-card.chemistry{--profile-accent:var(--coral)}.profile-focus-card>div,.profile-focus-card>button{justify-content:space-between;align-items:center;gap:10px;display:flex}.profile-focus-card>div span{background:color-mix(in srgb, var(--profile-accent) 13%, #fff);width:38px;height:38px;color:var(--profile-accent);border-radius:13px;place-items:center;display:grid}.profile-focus-card small{color:var(--profile-accent);font-size:12px;font-weight:900}.profile-focus-card h3{color:var(--ink);margin:18px 0 6px;font-size:19px;line-height:1.15}.profile-focus-card p{min-height:20px;color:var(--muted);margin:0 0 14px;font-size:12px;font-weight:800}.profile-focus-card>button{border:1px solid color-mix(in srgb, var(--profile-accent) 28%, #dfe7e4);width:100%;min-height:42px;color:var(--profile-accent);background:#fff;border-radius:13px;padding:9px 11px;font-size:12px;font-weight:950}.profile-focus-card>button:hover{box-shadow:0 12px 26px color-mix(in srgb, var(--profile-accent) 16%, transparent);transform:translateY(-1px)}.quiz-subject-strip{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;width:100%;max-width:1540px;margin:0 auto 16px;display:grid}.quiz-subject-card{--subject-accent:#176f5e;border:1px solid #12182614;border-top:4px solid var(--subject-accent);background:linear-gradient(180deg, color-mix(in srgb, var(--subject-accent) 10%, transparent), #fff0 46%), #fffc;border-radius:20px;align-content:space-between;gap:18px;min-height:238px;padding:18px;display:grid;box-shadow:0 14px 34px #102c2614}.quiz-subject-card.physics{--subject-accent:var(--violet)}.quiz-subject-card.chemistry{--subject-accent:var(--coral)}.quiz-subject-head,.quiz-subject-meter,.quiz-subject-card>button{align-items:center;display:flex}.quiz-subject-head{justify-content:space-between}.quiz-subject-head>span{background:color-mix(in srgb, var(--subject-accent) 13%, #fff);width:40px;height:40px;color:var(--subject-accent);border-radius:13px;place-items:center;display:grid}.quiz-subject-head small,.quiz-subject-card p,.quiz-subject-empty{color:var(--muted);font-size:12px;font-weight:800}.quiz-subject-card h3{margin:0 0 7px;font-size:22px;line-height:1.1}.quiz-subject-card p{min-height:36px;margin:0;line-height:1.45}.quiz-subject-meter{gap:10px}.quiz-subject-meter>div{background:#e6eeec;border-radius:999px;flex:1;height:7px;overflow:hidden}.quiz-subject-meter i{border-radius:inherit;background:var(--subject-accent);height:100%;display:block}.quiz-subject-meter b{color:var(--subject-accent);font-size:12px}.quiz-subject-card>button{border:1px solid color-mix(in srgb, var(--subject-accent) 28%, #dfe7e4);width:100%;min-height:54px;color:var(--ink);text-align:left;background:#fff;border-radius:14px;justify-content:space-between;gap:10px;padding:10px 12px}.quiz-subject-card>button span,.quiz-subject-card>button strong{display:block}.quiz-subject-card>button span{color:var(--subject-accent);text-transform:uppercase;font-size:11px;font-weight:950}.quiz-subject-card>button strong{color:var(--muted);font-size:12px}.quiz-subject-card>button svg{color:var(--subject-accent);flex:none}.quiz-subject-card>button:hover{box-shadow:0 12px 28px color-mix(in srgb, var(--subject-accent) 18%, transparent);transform:translateY(-1px)}.quiz-card-button{--quiz-accent:#176f5e;background:linear-gradient(180deg, color-mix(in srgb, var(--quiz-accent) 8%, transparent), #fff0 38%), #fff;border-radius:18px;align-content:space-between;min-height:248px;padding:16px}.quiz-card-button.physics{--quiz-accent:var(--violet)}.quiz-card-button.chemistry{--quiz-accent:var(--coral)}.quiz-card-button:before{background:var(--quiz-accent);width:5px}.quiz-card-button:hover{border-color:color-mix(in srgb, var(--quiz-accent) 36%, #dfe7e4)}.quiz-card-title{gap:5px;display:grid}.quiz-card-title strong{font-size:17px;line-height:1.25}.quiz-card-title span{color:var(--quiz-accent);font-size:12px;font-weight:900}.quiz-card-tags{flex-wrap:wrap;gap:6px;display:flex}.quiz-card-tags span{background:color-mix(in srgb, var(--quiz-accent) 9%, #fff);color:#53615d;border-radius:999px;padding:5px 8px;font-size:11px;font-weight:800}.quiz-card-stats{grid-template-columns:repeat(3,minmax(0,1fr))}.quiz-card-stats>span{text-align:center;background:#ffffffc7;border:1px solid #e2e9e6;border-radius:13px;gap:3px;padding:9px 8px;display:grid}.quiz-card-stats>span b{color:var(--ink);font-size:20px;line-height:1}.quiz-card-stats>span small{color:var(--muted);text-transform:uppercase;font-size:10px;font-weight:900}.quiz-card-foot{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;display:grid}.quiz-card-foot .difficulty-track span{background:var(--quiz-accent)}.quiz-card-foot>span{color:var(--quiz-accent);align-items:center;gap:5px;font-size:12px;font-weight:900;display:inline-flex}.quiz-empty-state{min-height:220px;color:var(--muted);text-align:center;background:#ffffff9e;border:1px dashed #cad7d3;border-radius:18px;align-content:center;place-items:center;gap:8px;display:grid}.quiz-empty-state strong{color:var(--ink)}@media (max-width:980px){.profile-essentials,.quiz-subject-strip{grid-template-columns:1fr}}@media (max-width:720px){.quiz-subject-strip{gap:10px}.quiz-subject-card{min-height:204px;padding:16px}.quiz-card-button{min-height:228px}.quiz-card-foot{grid-template-columns:1fr}}.exam-picker{gap:18px;padding-bottom:8px;display:grid}.exam-lead h2{margin:0 0 6px;font-size:clamp(24px,5.4vw,32px);line-height:1.08}.exam-lead p{max-width:40ch;color:var(--muted);margin:0;font-size:15px;line-height:1.55}.exam-subject-list{gap:12px;display:grid}.exam-subject{-webkit-backdrop-filter:blur(14px)saturate(1.3);backdrop-filter:blur(14px)saturate(1.3);width:100%;min-height:92px;color:var(--ink);text-align:left;background:#ffffffd1;border:1px solid #ffffffb3;border-radius:20px;grid-template-columns:auto auto minmax(0,1fr) auto;align-items:center;gap:14px;padding:16px 18px 16px 16px;transition:transform .2s,box-shadow .2s,border-color .2s;display:grid;position:relative;box-shadow:0 12px 30px #102c2614}.exam-subject:before{content:"";background:var(--teal);border-radius:0 4px 4px 0;width:4px;position:absolute;top:16px;bottom:16px;left:0}.exam-subject.physics:before{background:var(--violet)}.exam-subject.chemistry:before{background:var(--rose)}.exam-subject.biology:before{background:var(--teal)}.exam-subject:not(:disabled):hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:0 20px 44px #102c2624}.exam-subject:disabled{opacity:.6;cursor:not-allowed}.exam-subject-index{color:var(--muted);letter-spacing:.04em;align-self:start;font-size:12px;font-weight:800}.exam-subject-mark{background:color-mix(in srgb, var(--teal) 12%, #fff);width:50px;height:50px;color:var(--teal);border-radius:15px;place-items:center;display:grid}.exam-subject.physics .exam-subject-mark{background:color-mix(in srgb, var(--violet) 13%, #fff);color:var(--violet)}.exam-subject.chemistry .exam-subject-mark{background:color-mix(in srgb, var(--rose) 13%, #fff);color:var(--rose)}.exam-subject-info{gap:4px;min-width:0;display:grid}.exam-subject-info strong{font-size:18px;line-height:1.15}.exam-subject-info small{color:var(--muted);font-size:13px;font-weight:650}.exam-subject-side{flex-direction:column;align-items:flex-end;gap:8px;display:flex}.exam-subject-best{min-width:44px;color:var(--muted);text-align:center;background:#eef3f1;border-radius:999px;padding:3px 8px;font-size:13px;font-weight:850}.exam-subject-best.passed{color:var(--green);background:#e5f5ec}.exam-subject-go{color:var(--teal-strong);white-space:nowrap;align-items:center;gap:6px;font-size:14px;font-weight:850;display:inline-flex}.exam-subject.physics .exam-subject-go{color:var(--violet)}.exam-subject.chemistry .exam-subject-go{color:var(--rose)}.daily-exam-block{border-top:1px dashed var(--line-strong);gap:12px;margin-top:20px;padding-top:20px;display:grid}.daily-exam-lead h3{margin:6px 0 4px;font-size:clamp(19px,4vw,23px);line-height:1.12}.daily-exam-lead p{max-width:46ch;color:var(--muted);margin:0;font-size:14px;line-height:1.5}.daily-exam-kicker{color:var(--amber);text-transform:uppercase;letter-spacing:.04em;align-items:center;gap:6px;font-size:12px;font-weight:850;display:inline-flex}.daily-exam-list{gap:12px;display:grid}.daily-exam-card{grid-template-columns:auto minmax(0,1fr) auto}.daily-exam-card:before{background:var(--amber)}.daily-exam-done{color:var(--green);white-space:nowrap;align-items:center;gap:5px;font-size:12px;font-weight:800;display:inline-flex}.daily-presence-chip{color:#2b5f9e;vertical-align:middle;background:#e5f0fb;border-radius:999px;align-items:center;gap:4px;margin-left:8px;padding:2px 8px;font-size:10.5px;font-weight:850;display:inline-flex}.leaderboard-table article .lb-aula{color:#2b5f9e;font-weight:850}.exam-rank{border:1px solid var(--line);background:var(--surface);width:100%;min-height:62px;color:var(--ink);text-align:left;border-radius:16px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;margin-top:2px;padding:12px 16px;transition:border-color .18s,box-shadow .18s,transform .14s;display:grid}.exam-rank:hover{border-color:var(--line-strong);transform:translateY(-1px);box-shadow:0 10px 24px #102c2614}.exam-rank-mark{width:38px;height:38px;color:var(--amber);background:#fff5d8;border-radius:11px;place-items:center;display:grid}.exam-rank-copy{gap:2px;min-width:0;display:grid}.exam-rank-copy strong{font-size:14px}.exam-rank-copy small{color:var(--muted);font-size:12px;font-weight:650}.exam-rank>svg{color:var(--muted)}@media (max-width:380px){.exam-subject{grid-template-columns:auto minmax(0,1fr) auto;gap:12px;padding:14px 14px 14px 16px}.exam-subject-index{display:none}}.exam-insights{gap:14px;padding-bottom:8px;display:grid}.insights-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.insight-stat{border:1px solid var(--line);background:var(--surface);border-radius:16px;gap:3px;padding:14px;display:grid;box-shadow:0 8px 22px #102c260d}.insight-stat span{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:11px;font-weight:800}.insight-stat strong{background:linear-gradient(120deg,#0b6a5c,#23a672);-webkit-text-fill-color:transparent;color:#0000;-webkit-background-clip:text;background-clip:text;font-size:24px;line-height:1.1}.insight-stat small{color:var(--muted);font-size:11px;font-weight:600}.hardest-card{border:1px solid var(--line);background:var(--surface);border-radius:18px;overflow:hidden;box-shadow:0 12px 30px #102c2612}.hardest-head{border-bottom:1px solid var(--line);align-items:center;gap:11px;padding:15px 16px;display:flex}.hardest-mark{width:36px;height:36px;color:var(--amber);background:#ffece2;border-radius:11px;flex:none;place-items:center;display:grid}.hardest-head strong{font-size:15px;display:block}.hardest-head small{color:var(--muted);margin-top:2px;font-size:12px;line-height:1.4;display:block}.hardest-list{margin:0;padding:0;list-style:none;display:grid}.hardest-item{border-bottom:1px solid var(--soft);gap:8px;padding:14px 16px;display:grid}.hardest-item:last-child{border-bottom:0}.hardest-item-top{justify-content:space-between;align-items:center;gap:10px;display:flex}.hardest-cat{color:var(--teal-strong);text-transform:uppercase;letter-spacing:.04em;font-size:11px;font-weight:850}.hardest-rate{color:var(--rose);white-space:nowrap;font-size:12px;font-weight:850}.hardest-item p{color:var(--ink);margin:0;font-size:14px;font-weight:600;line-height:1.4}.hardest-bar{background:#f0e2df;border-radius:999px;height:6px;overflow:hidden}.hardest-bar i{background:linear-gradient(90deg,#e0854f,#d24764);border-radius:999px;height:100%;display:block}.hardest-empty{border:1px dashed var(--line-strong);background:var(--soft);color:var(--muted);border-radius:16px;align-items:center;gap:10px;padding:16px;font-size:13px;line-height:1.45;display:flex}.hardest-empty>svg{color:var(--amber);flex:none}@media (max-width:380px){.insight-stat strong{font-size:21px}}.exam-subject.biology{background:linear-gradient(100deg, color-mix(in srgb, var(--teal) 8%, #fff), #ffffffdb 46%)}.exam-subject.physics{background:linear-gradient(100deg, color-mix(in srgb, var(--violet) 8%, #fff), #ffffffdb 46%)}.exam-subject.chemistry{background:linear-gradient(100deg, color-mix(in srgb, var(--rose) 8%, #fff), #ffffffdb 46%)}@keyframes exam-card-in{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.exam-subject-list .exam-subject{animation:.46s cubic-bezier(.22,1,.36,1) backwards exam-card-in}.exam-subject-list .exam-subject:first-child{animation-delay:40ms}.exam-subject-list .exam-subject:nth-child(2){animation-delay:.11s}.exam-subject-list .exam-subject:nth-child(3){animation-delay:.18s}.exam-lead h2{animation:.46s cubic-bezier(.22,1,.36,1) backwards exam-card-in}.hardest-list .hardest-item{animation:.42s cubic-bezier(.22,1,.36,1) backwards exam-card-in}.hardest-list .hardest-item:nth-child(2){animation-delay:60ms}.hardest-list .hardest-item:nth-child(3){animation-delay:.1s}.hardest-list .hardest-item:nth-child(4){animation-delay:.14s}.hardest-list .hardest-item:nth-child(n+5){animation-delay:.18s}@media (max-width:820px){.student-rail{border-radius:22px}.student-nav-item{gap:3px}.student-nav-item.active{background:linear-gradient(#f2c84b38,#f2c84b14);box-shadow:inset 0 0 0 1px #f2c84b47}.student-nav-item.active svg{color:#ffe08a}.exam-lead h2{font-size:clamp(26px,6.4vw,34px)}}@media (prefers-reduced-motion:reduce){.exam-subject-list .exam-subject,.hardest-list .hardest-item,.exam-lead h2{animation:none!important}}.insights-stats{grid-template-columns:repeat(3,minmax(0,1fr))}.insight-stat strong.tiny{-webkit-text-fill-color:initial;color:var(--ink);font-size:16px}.insight-stat strong .unit{-webkit-text-fill-color:initial;color:var(--muted);font-size:13px;font-style:normal;font-weight:800}.hardest-item{padding:0}.hardest-item-btn{text-align:left;cursor:pointer;background:0 0;border:0;gap:8px;width:100%;padding:14px 16px;transition:background-color .15s;display:grid}.hardest-item-btn:hover{background:var(--soft)}.hardest-toggle{color:var(--teal-strong);align-items:center;gap:5px;font-size:12px;font-weight:800;display:inline-flex}.hardest-toggle svg{transition:transform .2s}.hardest-toggle svg.rot{transform:rotate(180deg)}.hardest-answer{color:#14603f;background:#e8f6ee;border-radius:12px;align-items:flex-start;gap:8px;margin:0 12px 12px;padding:11px 12px;font-size:14px;line-height:1.4;animation:.24s backwards exam-card-in;display:flex}.hardest-answer svg{color:var(--green);flex:none;margin-top:2px}.hardest-answer b{font-weight:850}.hardest-cta{color:#fff;cursor:pointer;background:linear-gradient(160deg,#e6584f,#cf3b4f);border:0;border-radius:14px;justify-content:center;align-items:center;gap:9px;width:calc(100% - 24px);min-height:50px;margin:4px 12px 14px;font-size:15px;font-weight:850;transition:box-shadow .18s,transform .12s,filter .15s;display:flex;box-shadow:0 10px 24px #cf3b4f52}.hardest-cta:hover{filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 14px 30px #cf3b4f66}.hardest-cta:active{transform:scale(.985)}@media (max-width:380px){.insights-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}