.home-hero{background:#fff;border-bottom:1px solid var(--line)}.home-hero-inner{grid-gap:56px;align-items:center;display:grid;gap:56px;grid-template-columns:1.2fr .8fr;margin:0 auto;max-width:1080px;padding:80px 24px 72px}.eyebrow{color:var(--accent);display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.14em;margin-bottom:14px;text-transform:uppercase}.home-hero h1{color:var(--navy);font-family:var(--serif);font-size:clamp(2.4rem,5vw,3.6rem);font-weight:600;letter-spacing:-.035em;line-height:1.08;margin:0 0 18px}.home-hero .lede{color:var(--ink-soft);font-size:1.12rem;line-height:1.55;margin:0 0 28px;max-width:38em}.hero-actions{gap:12px;margin-bottom:28px}.hero-actions,.hero-meta{display:flex;flex-wrap:wrap}.hero-meta{border-top:1px solid var(--line);color:var(--muted);font-size:.9rem;gap:0;list-style:none;margin:8px 0 0;padding:18px 0 0}.hero-meta li{border-right:1px solid var(--line);margin-right:28px;padding-right:28px}.hero-meta li:last-child{border-right:0;margin-right:0;padding-right:0}.hero-meta strong{color:var(--navy);display:block;font-size:1.05rem}.hero-panel{background:var(--white);border:1px solid var(--line);padding:28px 26px}.hero-panel h2{font-family:var(--serif);font-size:1.2rem;margin:0 0 14px}.hero-panel ol{color:var(--ink-soft);line-height:1.55;margin:0;padding-left:18px}.hero-panel li+li{margin-top:10px}.home-section{margin:0 auto;max-width:1080px;padding:72px 24px 0}.home-section h2{color:var(--navy);font-family:var(--serif);font-size:1.85rem;margin:0 0 10px}.section-lede{color:var(--muted);margin:0 0 28px;max-width:40em}.topic-grid{grid-gap:12px;display:grid;gap:12px;grid-template-columns:repeat(2,minmax(0,1fr))}.topic-card{grid-gap:12px;align-items:center;background:var(--white);border:1px solid var(--line);color:inherit;display:grid;gap:12px;grid-template-columns:1fr auto;padding:18px;text-decoration:none}.topic-card:hover{background:var(--paper-2);border-color:var(--navy)}.topic-card h3{font-size:1rem;font-weight:650;margin:0 0 4px}.topic-card p{color:var(--muted);font-size:.88rem;line-height:1.4;margin:0}.topic-card .topic-weight{color:var(--navy);font-size:.78rem;font-weight:650;margin-bottom:4px}.topic-card .go{color:var(--navy);font-size:.8rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;white-space:nowrap}.faq-list,.how-grid{grid-gap:14px;display:grid;gap:14px}.how-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.faq-item,.how-card{background:var(--white);border:1px solid var(--line);padding:22px 20px}.faq-item h3,.how-card h3{font-size:1.02rem;margin:0 0 8px}.faq-item p,.how-card p{color:var(--ink-soft);font-size:.95rem;line-height:1.5;margin:0}.faq-list{grid-template-columns:1fr 1fr}.home-bottom-cta{align-items:center;background:var(--navy);color:#fff;display:flex;gap:20px;justify-content:space-between;margin:72px auto 0;max-width:1080px;padding:36px 24px}.home-bottom-cta h2{color:#fff;font-family:var(--serif);font-size:1.6rem;margin:0 0 6px}.home-bottom-cta p{color:#d5e6f5;margin:0}.home-bottom-cta .btn-primary{background:#fff;border-color:#fff;color:var(--navy);flex-shrink:0}.home-bottom-cta .btn-primary:hover{background:var(--paper-2)}@media (max-width:860px){.faq-list,.home-bottom-cta,.home-hero-inner,.how-grid,.topic-grid{display:grid;grid-template-columns:1fr}.home-hero-inner{padding-top:48px}.hero-meta li{border-right:0;margin:0 0 12px;padding:0 28px 0 0}}.exam-root{background:#fff;color:var(--ink);display:flex;flex-direction:column;font-family:var(--exam);height:100vh;height:100dvh;height:var(--exam-vh,100dvh);max-height:100dvh;max-height:var(--exam-vh,100dvh);overflow:hidden;width:100%}.exam-top{align-items:center;background:var(--exam-chrome);color:#fff;display:flex;flex:0 0 auto;gap:12px;justify-content:space-between;min-height:calc(52px + env(safe-area-inset-top, 0px));padding:calc(8px + env(safe-area-inset-top, 0px)) 16px 8px}.exam-brand{color:#fff;font-size:.92rem;font-weight:600;letter-spacing:.02em;text-decoration:none}.exam-title{color:#d5e6f5;font-size:.88rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.exam-timer{-webkit-font-feature-settings:"tnum";font-feature-settings:"tnum";flex-shrink:0;font-size:.95rem;font-variant-numeric:tabular-nums;font-weight:600;min-width:7.5rem;text-align:right}.exam-timer.warning{color:var(--exam-gold)}.exam-timer.danger{color:#fff;font-weight:700}.exam-timer span{color:#d5e6f5;display:block;font-size:.68rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase}.exam-body{grid-gap:0;display:grid;flex:1 1;gap:0;grid-template-columns:minmax(0,1fr) 280px;min-height:0;position:relative}.exam-main{background:#fff;min-height:0;overflow:auto;padding:28px 36px 40px}.exam-item-meta{color:#66707d;display:flex;font-size:.8rem;gap:12px;justify-content:space-between;letter-spacing:.04em;margin-bottom:14px;text-transform:uppercase}.exam-stem{font-size:1.08rem;line-height:1.55;margin:0 0 22px;white-space:pre-wrap}.exam-choices{display:flex;flex-direction:column;gap:10px}.exam-choice{grid-gap:12px;align-items:start;background:#fff;border:1px solid var(--line);color:inherit;cursor:pointer;display:grid;font-size:1rem;gap:12px;grid-template-columns:36px 1fr auto;line-height:1.45;padding:12px;text-align:left;width:100%}.exam-choice.selected,.exam-choice:hover{border-color:var(--navy)}.exam-choice.selected{background:var(--paper-2)}.exam-choice.struck .exam-choice-text{color:#7a828c;text-decoration:line-through}.exam-letter{align-items:center;border:1px solid var(--line);display:inline-flex;font-size:.85rem;font-weight:600;height:28px;justify-content:center;width:28px}.exam-choice.selected .exam-letter{background:var(--navy);border-color:var(--navy);color:#fff}.exam-strike{background:transparent;border:0;color:#66707d;cursor:pointer;font-size:.72rem;letter-spacing:.06em;padding:4px 0 0;text-transform:uppercase}.exam-side{background:var(--paper-2);border-left:1px solid var(--line);overflow:auto;padding:14px 12px 18px}.exam-side h2{color:#4e5866;font-size:.78rem;letter-spacing:.08em;margin:0 0 10px;text-transform:uppercase}.exam-filters{display:flex;gap:6px;margin-bottom:10px}.exam-filters button{background:#fff;border:1px solid var(--line);cursor:pointer;font-size:.72rem;padding:4px 7px}.exam-filters button.on{background:var(--exam-chrome);border-color:var(--exam-chrome);color:#fff}.exam-grid{grid-gap:6px;display:grid;gap:6px;grid-template-columns:repeat(5,1fr)}.exam-grid button{background:#fff;border:1px solid var(--line);cursor:pointer;font-size:.78rem;font-weight:600;height:32px;position:relative}.exam-grid button.current{outline:2px solid var(--navy);outline-offset:-2px}.exam-grid button.answered{background:var(--paper-2)}.exam-grid button.pending,.exam-grid button:disabled{cursor:default;opacity:.35}.exam-loading-next{color:#5c6570;font-size:.9rem;margin:12px 0 0}.exam-legend{color:#4e5866;display:flex;flex-wrap:wrap;font-size:.72rem;gap:10px 14px;margin-top:12px}.exam-bottom{align-items:center;background:var(--exam-chrome-2);flex:0 0 auto;justify-content:space-between;padding:8px 12px calc(8px + env(safe-area-inset-bottom, 0px));z-index:5}.exam-bottom,.exam-bottom-left,.exam-bottom-right{display:flex;gap:8px}.exam-btn{background:transparent;border:1px solid hsla(0,0%,100%,.45);color:#fff;cursor:pointer;font-size:.85rem;font-weight:600;min-height:36px;padding:0 14px}.exam-btn:disabled{cursor:default;opacity:.4}.exam-btn.flag.on,.exam-btn.overview.on,.exam-btn.primary{background:#fff;border-color:#fff;color:var(--navy)}.exam-btn.overview,.exam-overview-mask{display:none}.exam-empty,.exam-intro,.exam-loading{align-items:center;background:var(--paper-2);display:flex;font-family:var(--exam);justify-content:center;min-height:100vh;min-height:100dvh;padding:24px 24px calc(24px + env(safe-area-inset-bottom, 0px))}.exam-intro-card{background:#fff;border:1px solid var(--line);padding:36px 32px;width:min(640px,100%)}.exam-intro-card h1{font-size:1.45rem;margin:0 0 8px}.exam-intro-card .meta{color:#5c6570;margin:0 0 18px}.exam-intro-card ul{color:#3d4450;line-height:1.55;margin:0 0 24px;padding-left:18px}.exam-kicker{color:var(--navy);font-size:.72rem;font-weight:700;letter-spacing:.12em;margin-bottom:10px;text-transform:uppercase}.exam-intro-card .hero-actions{display:flex;flex-wrap:wrap;gap:12px}.results-page{margin:0 auto;max-width:860px;padding:40px 20px calc(80px + env(safe-area-inset-bottom, 0px))}.results-hero{background:var(--white);border:1px solid var(--line);margin-bottom:22px;padding:32px 28px}.results-hero h1{font-family:var(--serif);font-size:1.8rem;margin:0 0 6px}.results-score{color:var(--navy);font-size:3rem;font-weight:650;letter-spacing:-.03em;margin:8px 0 4px}.results-score.pass{color:var(--correct)}.results-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.results-save{background:var(--paper-2);border:1px solid var(--line);font-size:.95rem;margin:0 0 22px;padding:16px 18px}.results-save a{color:var(--navy);font-weight:650}.results-email-gate{background:#fff;border:1px solid var(--line);margin:0 0 22px;padding:18px 20px}.results-email-gate label{display:block;font-size:.88rem;font-weight:650;margin-bottom:12px}.results-email-gate input{border:1px solid var(--line);display:block;font:inherit;margin-top:6px;max-width:360px;padding:10px 12px;width:100%}.results-feedback{background:#fff;border:1px solid var(--line);margin:0 0 28px;padding:18px 20px}.results-feedback h2{font-size:1.15rem;margin:0 0 6px}.results-feedback p{color:var(--ink-soft);margin:0 0 14px}.results-feedback.done{background:var(--paper-2)}.results-feedback-ratings{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px}.results-feedback-ratings button{background:#fff;border:1px solid var(--line);cursor:pointer;font:inherit;font-weight:600;min-height:40px;padding:0 14px}.results-feedback-ratings button.is-on{background:var(--navy);border-color:var(--navy);color:#fff}.results-feedback label{display:block;font-size:.88rem;font-weight:650;margin-bottom:14px}.results-feedback textarea{border:1px solid var(--line);display:block;font:inherit;margin-top:6px;padding:10px 12px;resize:vertical;width:100%}.results-feedback-actions{display:flex;flex-wrap:wrap;gap:10px}.results-feedback-error{color:var(--wrong)}.topic-bars{grid-gap:10px;display:grid;gap:10px;margin:18px 0 8px}.topic-bar-row{grid-gap:10px;align-items:center;display:grid;font-size:.88rem;gap:10px;grid-template-columns:minmax(0,1.2fr) 1fr 52px}.topic-bar-track{background:var(--paper-2);height:8px;overflow:hidden}.topic-bar-fill{background:var(--navy);height:100%}.result-item{background:var(--white);border:1px solid var(--line);margin-bottom:12px;padding:18px 18px 14px}.result-item-meta{color:var(--muted);display:flex;font-size:.78rem;font-weight:650;gap:12px;justify-content:space-between;letter-spacing:.04em;margin:0 0 8px;text-transform:uppercase}.result-item-link{font-size:.88rem;margin:10px 0 0}.result-item h3{font-size:1.02rem;line-height:1.45;margin:0 0 10px}.result-item .opt{font-size:.95rem;margin:0 0 4px}.result-item .opt.correct{color:var(--correct);font-weight:650}.result-item .opt.wrong{color:var(--wrong);font-weight:650}.result-item .explain{color:var(--ink-soft);font-size:.92rem;line-height:1.5;margin:12px 0 0;white-space:pre-wrap}.exam-confirm{align-items:center;background:rgba(18,22,30,.45);display:flex;inset:0;justify-content:center;padding:20px;position:fixed;z-index:40}.exam-confirm-card{background:#fff;padding:24px;width:min(440px,100%)}.exam-confirm-card h2{margin:0 0 8px}.exam-confirm-card p{color:#5c6570}.exam-confirm-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:18px}@media (max-width:900px){.exam-root{left:0;position:fixed;right:0;top:0}.exam-body{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr)}.exam-main{-webkit-overflow-scrolling:touch;padding:16px 16px 24px}.exam-title{display:none}.exam-brand{font-size:.8rem;max-width:42vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.exam-timer{font-size:.9rem;min-width:0}.exam-choice{grid-template-columns:36px 1fr;min-height:48px;padding:12px}.exam-strike{grid-column:2;justify-self:start;min-height:32px;padding:0}.exam-side{border-left:0;border-top:1px solid var(--line);bottom:0;box-shadow:0 -8px 24px rgba(8,74,140,.18);display:none;left:0;max-height:min(58vh,420px);position:absolute;right:0;top:auto;z-index:4}.exam-root.overview-open .exam-side{display:block}.exam-overview-mask{background:rgba(8,74,140,.28);border:0;display:block;inset:0;position:absolute;z-index:3}.exam-bottom,.exam-bottom-left,.exam-bottom-right{flex-wrap:nowrap;gap:6px}.exam-btn{font-size:.8rem;min-height:44px;padding:0 10px}.exam-btn.overview{align-items:center;display:inline-flex;justify-content:center;min-width:58px}.exam-item-meta{flex-wrap:wrap;gap:6px}}@media (max-width:420px){.exam-btn{font-size:.75rem;padding:0 8px}}.navbar{align-items:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fff;border-bottom:1px solid var(--line);display:flex;gap:16px;height:var(--nav-h);justify-content:space-between;left:0;padding:0 28px;position:fixed;right:0;top:0;z-index:1000}.navbar-left,.navbar-right{align-items:center;display:flex;gap:8px}.navbar-links{align-items:center;display:flex;gap:22px;margin-left:28px}.logo{color:var(--navy);font-family:var(--serif);font-size:1.12rem;font-weight:600;letter-spacing:-.02em;text-decoration:none}.navbar-links a{color:var(--ink-soft);font-size:.92rem;font-weight:550;text-decoration:none}.navbar-links a.active,.navbar-links a:hover{color:var(--navy)}.nav-login{color:var(--ink);font-size:.92rem;font-weight:550;padding:8px 10px}.nav-cta,.nav-login{text-decoration:none}.nav-cta{align-items:center;background:var(--navy);border-radius:4px;color:#fff!important;display:inline-flex;font-size:.88rem;font-weight:600;justify-content:center;padding:8px 14px}.nav-cta:hover{background:var(--navy-deep)}.nav-menu-btn{background:transparent;border:0;color:var(--navy);cursor:pointer;display:none;font-size:20px}.nav-user,.nav-user.ant-avatar{background:#4a9ad9!important;color:#fff!important;cursor:pointer}.mobile-drawer-links{display:flex;flex-direction:column;gap:4px}.mobile-drawer-links a{border-bottom:1px solid var(--line);color:var(--ink);display:block;font-weight:550;padding:12px 4px;text-decoration:none}@media (max-width:860px){.navbar{padding:0 16px}.navbar-links{display:none}.nav-menu-btn{display:inline-flex}.nav-login{display:none}}.study-layout{background:transparent;min-height:calc(100vh - var(--nav-h))}.study-content{padding:16px 32px 48px}.study-article{max-width:720px}.study-article h1{font-size:1.75rem;margin:8px 0 12px}.study-section{margin:1.5rem 0}.study-section h2{font-size:1.1rem;margin:0 0 .5rem}.study-section li,.study-section p{color:var(--ink-soft);line-height:1.55}.study-formula{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92rem;overflow-x:auto;padding:10px 12px}.study-exam,.study-formula{background:var(--paper-2);border:1px solid var(--line)}.study-exam{border-radius:6px;padding:12px 16px}.study-topic-grid{grid-gap:12px;display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));margin:20px 0 8px}.study-topic-card{background:#fff;border:1px solid var(--line);border-radius:6px;display:flex;flex-direction:column;gap:6px;padding:14px;text-decoration:none}.study-topic-card:hover{border-color:var(--navy)}.study-topic-weight{color:var(--navy);font-size:.8rem;font-weight:600}.study-modules{color:var(--ink-soft);line-height:1.5;margin:.5rem 0 0;padding-left:1.2rem}.study-official a{font-weight:600}.study-toc{display:flex;flex-wrap:wrap;font-size:.85rem;gap:8px 14px;margin:0 0 8px}.study-toc a{color:var(--navy);text-decoration:none}.study-table-wrap{margin:10px 0 14px;overflow-x:auto}.study-table{border-collapse:collapse;font-size:.9rem;width:100%}.study-table td,.study-table th{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}.study-table th{background:var(--paper-2);font-weight:650}.study-pager{grid-gap:12px;display:grid;gap:12px;grid-template-columns:1fr 1fr;margin:28px 0 8px}.study-pager a,.study-pager span{border:1px solid var(--line);border-radius:6px;display:flex;flex-direction:column;gap:4px;min-height:72px;padding:12px 14px;text-decoration:none}.study-pager a span,.study-pager-next span{color:var(--muted);font-size:.75rem;font-weight:650;letter-spacing:.04em;text-transform:uppercase}.study-pager-next{text-align:right}.study-pager a:hover{border-color:var(--navy)}.study-drill{margin-top:28px}.study-drill-btn{display:inline-block;padding:10px 18px;text-align:center;text-decoration:none;width:auto}.ant-layout,.ant-layout-sider{min-height:100vh!important}.ant-layout-sider,.ant-layout-sider .ant-menu{background:#fff!important}.menu-button{background:none;border:none;color:#000;display:none;font-size:24px;left:10px;padding:15px;padding:10px;position:fixed;top:10px;z-index:2;z-index:3}.overlay{background:rgba(0,0,0,.5);display:block;height:100%;left:0;position:fixed;top:0;width:100%;z-index:1}.site-layout-background{height:100%!important;left:-200px;overflow-y:auto;position:fixed;transition:all .3s;width:200px;z-index:2}.site-layout-background.active{left:0}@media (min-width:769px){.site-layout-background{left:0!important;position:static}.menu-button,.overlay{display:none!important}}@media(max-width:768px){.site-layout-content{padding:0}.site-layout-content h1,.site-layout-content p{margin:0 auto;width:auto}.site-layout-content-mobile{align-items:center;display:flex;flex-direction:column;justify-content:center;text-align:center}.site-layout-content-mobile h1,.site-layout-content-mobile p{width:100%}.menu-button{display:block}.site-layout-background{-webkit-transform:translateX(-100%);transform:translateX(-100%)}.site-layout-background.active{-webkit-transform:translateX(0);transform:translateX(0)}.site-layout-content{width:100%}}:root{--ink:#1a2b3c;--ink-soft:#3d5266;--muted:#5a6f82;--navy:#0b5cab;--navy-deep:#084a8c;--paper:#fff;--paper-2:#e8f2fb;--white:#fff;--line:#c5d7ea;--accent:#0b5cab;--accent-hover:#084a8c;--correct:#0d7a4f;--wrong:#b42318;--exam-chrome:#0b5cab;--exam-chrome-2:#084a8c;--exam-gold:#fff;--nav-h:64px;--serif:"IBM Plex Sans","Segoe UI",system-ui,sans-serif;--sans:"IBM Plex Sans","Segoe UI",system-ui,sans-serif;--exam:"IBM Plex Sans","Segoe UI",system-ui,sans-serif}*,:after,:before{box-sizing:border-box}#root,body,html{margin:0;min-height:100%}html{scroll-behavior:smooth}body{-webkit-font-smoothing:antialiased;background:#fff;background:var(--paper);color:#1a2b3c;color:var(--ink);font-family:IBM Plex Sans,Segoe UI,system-ui,sans-serif;font-family:var(--sans)}body.exam-active{background:#fff;height:100dvh;height:var(--exam-vh,100dvh);inset:0;overflow:hidden;overscroll-behavior:none;position:fixed;touch-action:manipulation;width:100%}#root{background:transparent}a{color:inherit}img{max-width:100%}button,input,textarea{font-family:inherit}.page-shell{display:flex;flex-direction:column;min-height:100vh;padding-top:64px;padding-top:var(--nav-h)}.page-shell-main{flex:1 1}.site-footer{background:#0b5cab;background:var(--navy);color:#e8f2fb;margin-top:72px;padding:48px 24px 28px}.site-footer-inner{grid-gap:32px;display:grid;gap:32px;grid-template-columns:1.4fr 1fr;margin:0 auto;max-width:1080px}.site-footer-mark{color:#fff;display:block;font-family:IBM Plex Sans,Segoe UI,system-ui,sans-serif;font-family:var(--serif);font-size:1.15rem;margin-bottom:10px}.site-footer-brand p{color:#d5e6f5;font-size:.95rem;line-height:1.55;margin:0;max-width:36em}.site-footer-nav{align-items:flex-start;display:flex;flex-direction:column;gap:10px}.site-footer-nav a{color:#fff;font-weight:500;text-decoration:none}.site-footer-nav a:hover{color:#fff}.site-footer-legal{border-top:1px solid hsla(0,0%,100%,.22);color:#c5d7ea;font-size:.78rem;line-height:1.55;margin:36px auto 0;max-width:1080px;padding-top:20px}.auth-page{align-items:center;display:flex;justify-content:center;min-height:calc(100vh - 64px);min-height:calc(100vh - var(--nav-h));padding:48px 20px 80px}.auth-card{background:#fff;background:var(--white);border:1px solid #c5d7ea;border:1px solid var(--line);max-width:420px;padding:36px 32px;width:100%}.auth-card h1{font-family:IBM Plex Sans,Segoe UI,system-ui,sans-serif;font-family:var(--serif);font-size:1.7rem;font-weight:600;margin:0 0 8px}.auth-card p.lede{color:#5a6f82;color:var(--muted);margin:0 0 24px}.auth-card label{display:block;font-size:.82rem;font-weight:600;letter-spacing:.02em;margin:14px 0 6px}.auth-card .ant-input,.auth-card .ant-input-password{border-radius:4px}.auth-card .ant-input,.auth-card .ant-input-password,.auth-card input,.auth-card select,.auth-card textarea{background:#fff;border:1px solid #c5d7ea;border:1px solid var(--line);border-radius:4px;color:inherit;display:block;font-family:inherit;font-size:1rem;height:42px;padding:0 12px;width:100%}.auth-card textarea{height:auto;min-height:96px;padding:10px 12px;resize:vertical}.auth-card select{-webkit-appearance:auto;appearance:auto}.auth-card .auth-submit{background:#0b5cab;background:var(--navy);border:1px solid #0b5cab;border:1px solid var(--navy);color:#fff;cursor:pointer;font-weight:650;height:44px;margin-top:22px;width:100%}.auth-card .auth-submit:disabled{opacity:.6}.btn-ghost,.btn-primary{align-items:center;border:1px solid transparent;border-radius:4px;cursor:pointer;display:inline-flex;font-size:.95rem;font-weight:650;justify-content:center;min-height:46px;padding:0 18px;text-decoration:none}.btn-primary{background:#0b5cab;background:var(--accent);border-color:#0b5cab;border-color:var(--accent);color:#fff}.btn-primary:hover{background:#084a8c;background:var(--accent-hover)}.btn-ghost{background:transparent;border-color:#0b5cab;border-color:var(--navy);color:#0b5cab;color:var(--navy)}.btn-ghost:hover{background:#0b5cab;background:var(--navy);color:#fff}.auth-card .auth-alt{color:#5a6f82;color:var(--muted);font-size:.92rem;margin:18px 0 0;text-align:center}.auth-card .auth-alt a{color:#0b5cab;color:var(--navy);font-weight:600;text-decoration:none}.empty-page{margin:0 auto;max-width:560px;padding:96px 24px;text-align:center}.empty-page h1{font-family:IBM Plex Sans,Segoe UI,system-ui,sans-serif;font-family:var(--serif);font-size:2.2rem;margin:0 0 12px}.admin-page,.attempts-page,.glossary-page,.profile-page,.study-page{margin:0 auto;max-width:1080px;padding:40px 24px 24px}.admin-page{max-width:1180px}.admin-header{align-items:flex-end;display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;margin-bottom:8px}.admin-back{align-items:center;background:#fff;border:1px solid #c5d7ea;border:1px solid var(--line);border-radius:4px;color:#0b5cab;color:var(--navy);display:inline-flex;font-size:.82rem;font-weight:600;margin:0 0 12px;min-height:32px;padding:0 11px;text-decoration:none}.admin-back:hover{background:#e8f2fb;background:var(--paper-2);border-color:#0b5cab;border-color:var(--navy)}.admin-kicker{color:#5a6f82;color:var(--muted);font-size:.72rem;font-weight:700;letter-spacing:.16em;margin:0 0 4px;text-transform:uppercase}.admin-page h1{font-family:IBM Plex Sans,Segoe UI,system-ui,sans-serif;font-family:var(--serif);font-size:2rem;margin:0 0 8px}.admin-nav{display:flex;flex-wrap:wrap;gap:8px}.admin-nav a{align-items:center;border:1px solid #c5d7ea;border:1px solid var(--line);border-radius:4px;color:#0b5cab;color:var(--navy);display:inline-flex;font-size:.88rem;font-weight:600;min-height:36px;padding:0 12px;text-decoration:none}.admin-nav a[aria-current=page]{background:#0b5cab;background:var(--navy);border-color:#0b5cab;border-color:var(--navy);color:#fff}.admin-kpis{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}.admin-recent-emails{margin:0 0 22px}.admin-user-cell{align-items:center;background:none;border:0;color:inherit;cursor:pointer;display:flex;font:inherit;gap:10px;padding:0;text-align:left}.admin-user-cell em,.admin-user-cell strong{display:block}.admin-user-cell em{color:#5a6f82;color:var(--muted);font-size:.82rem;font-style:normal}.admin-avatar{background:#e8f2fb;background:var(--paper-2);color:#0b5cab;color:var(--navy);flex-shrink:0}.admin-drawer p{line-height:1.45;margin:0 0 12px}.admin-drawer strong{color:#5a6f82;color:var(--muted);display:block;font-size:.78rem;font-weight:650;margin-bottom:2px}.admin-muted{color:#5a6f82;color:var(--muted);font-size:.85rem}.admin-online-tag{-webkit-margin-end:6px;margin-inline-end:6px}.admin-section-title{font-family:IBM Plex Sans,Segoe UI,system-ui,sans-serif;font-family:var(--serif);font-size:1.25rem;margin:28px 0 12px}.admin-traffic{margin:0 0 28px}.admin-spark-grid{grid-gap:12px;display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin:0 0 16px}.admin-spark-card{background:#fff;border:1px solid #c5d7ea;border:1px solid var(--line);padding:14px 16px 10px}.admin-spark-card header{align-items:baseline;display:flex;gap:8px;justify-content:space-between;margin-bottom:10px}.admin-spark-card h3{color:#5a6f82;color:var(--muted);font-size:.82rem;font-weight:650;margin:0}.admin-spark-card strong{color:#0b5cab;color:var(--navy);font-size:1.15rem}.admin-spark{gap:3px;height:88px}.admin-spark,.admin-spark-col{align-items:flex-end;display:flex}.admin-spark-col{flex:1 1;height:100%;min-width:0}.admin-spark-bar{background:#0b5cab;background:var(--navy);border-radius:2px 2px 0 0;min-height:2px;width:100%}.admin-top-pages{background:#fff;border:1px solid #c5d7ea;border:1px solid var(--line);padding:14px 16px}.admin-top-pages h3{color:#5a6f82;color:var(--muted);font-size:.82rem;font-weight:650;margin:0 0 10px}.admin-top-pages ul{list-style:none;margin:0;padding:0}.admin-top-pages li{display:flex;font-size:.88rem;gap:12px;justify-content:space-between;padding:4px 0}.admin-top-pages code{color:#1a2b3c;color:var(--ink)}.admin-error{background:#fff5f4;border:1px solid #f0c2be;color:#b42318;color:var(--wrong);font-size:.92rem;line-height:1.45;margin:0 0 20px;padding:12px 14px}.paywall{border-top:1px solid #c5d7ea;border-top:1px solid var(--line);margin-top:20px;padding:20px 0 0}.paywall h2{font-size:1.35rem;margin:0 0 8px}.paywall li,.paywall p{color:#3d5266;color:var(--ink-soft);line-height:1.5}.paywall ul{margin:0 0 18px;padding-left:18px}.admin-card{background:#fff;border:1px solid #c5d7ea;border:1px solid var(--line);margin:0 0 16px;padding:20px 22px}.admin-card h2{font-size:1.15rem;margin:0 0 8px}.admin-card ul{color:#3d5266;color:var(--ink-soft);margin:8px 0 0;padding-left:18px}.admin-toggle-row{align-items:flex-start;display:flex;gap:24px;justify-content:space-between}.admin-roadmap{list-style:none;margin:0;padding:0}.admin-roadmap li{border:1px solid #c5d7ea;border:1px solid var(--line);margin:0 0 10px;padding:14px 16px}.admin-roadmap li.done{background:#e8f2fb;background:var(--paper-2)}.admin-roadmap p{color:#5a6f82;color:var(--muted);font-size:.9rem;margin:6px 0 0 24px}.admin-attempt{border-top:1px solid #c5d7ea;border-top:1px solid var(--line);color:#3d5266;color:var(--ink-soft);display:flex;font-size:.85rem;gap:12px;justify-content:space-between;padding:8px 0}.admin-stem-link{color:#0b5cab;color:var(--accent,#1677ff);display:block;max-width:480px;text-decoration:none}.admin-stem-link:hover strong{text-decoration:underline}.admin-stem-link strong{display:block;font-weight:650;line-height:1.35}.admin-qid{color:#0b5cab;color:var(--accent,#1677ff);display:block;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.75rem;margin-top:4px}.admin-stem-link em{color:#5a6f82;color:var(--muted);display:block;font-size:.78rem;font-style:normal}.admin-card .opt.correct{color:#0d7a4f;color:var(--correct);font-weight:650}@media (max-width:720px){.admin-kpis{grid-template-columns:1fr 1fr}}.attempts-page h1,.glossary-page h1,.profile-page h1{font-family:IBM Plex Sans,Segoe UI,system-ui,sans-serif;font-family:var(--serif);font-size:2rem;margin:0 0 8px}.admin-page .lede,.attempts-page .lede,.glossary-page .lede{color:#5a6f82;color:var(--muted);margin:0 0 28px}.auth-check{align-items:flex-start;color:#3d5266;color:var(--ink-soft,#3d4f63);display:flex;font-size:.88rem;font-weight:400;gap:10px;line-height:1.4;margin-top:16px}.auth-check input{flex-shrink:0;height:auto!important;margin-top:3px;width:auto!important}.auth-check.compact{align-items:center;margin:0}.history-toolbar{align-items:center;display:flex;flex-wrap:wrap;gap:12px 16px;margin:0 0 20px}.legal-page,.progress-page{margin:0 auto;max-width:860px;padding:40px 24px 24px}.legal-page h1,.progress-page h1{font-family:IBM Plex Sans,Segoe UI,system-ui,sans-serif;font-family:var(--serif);font-size:2rem;margin:0 0 8px}.legal-page .lede,.progress-page .lede{color:#5a6f82;color:var(--muted);margin:0 0 28px}.legal-page h2{font-size:1.15rem;margin:28px 0 8px}.legal-page li,.legal-page p{color:#3d5266;color:var(--ink-soft);line-height:1.6}.legal-page a{color:#0b5cab;color:var(--navy)}.progress-stats{grid-gap:12px;display:grid;gap:12px;grid-template-columns:repeat(3,minmax(0,1fr));margin:0 0 28px}.progress-stats article{background:#fff;border:1px solid #c5d7ea;border:1px solid var(--line);padding:16px 18px}.progress-stats span{color:#5a6f82;color:var(--muted);display:block;font-size:.82rem;margin-bottom:6px}.progress-stats strong{color:#0b5cab;color:var(--navy);font-size:1.6rem}.progress-next{align-items:center;background:#e8f2fb;background:var(--paper-2);border:1px solid #c5d7ea;border:1px solid var(--line);display:flex;gap:16px;justify-content:space-between;margin:0 0 32px;padding:18px 20px}.progress-next h2{font-size:1.1rem;margin:0 0 6px}.progress-next p{color:#3d5266;color:var(--ink-soft);margin:0}.progress-empty{border:1px solid #c5d7ea;border:1px solid var(--line);padding:28px 24px}.progress-page .topic-bars{grid-gap:10px;display:grid;gap:10px;margin:18px 0 8px}.progress-page .topic-bar-row{grid-gap:10px;align-items:center;display:grid;font-size:.88rem;gap:10px;grid-template-columns:minmax(0,1.4fr) 1fr minmax(90px,auto)}.progress-page .topic-bar-track{background:#e8f2fb;background:var(--paper-2);height:8px;overflow:hidden}.progress-page .topic-bar-fill{background:#0b5cab;background:var(--navy);height:100%}.analytics-notice{align-items:center;background:#fff;border-top:1px solid #c5d7ea;border-top:1px solid var(--line);bottom:0;display:flex;gap:12px;justify-content:center;left:0;padding:10px 16px calc(10px + env(safe-area-inset-bottom, 0px));position:fixed;right:0;z-index:40}.analytics-notice p{color:#3d5266;color:var(--ink-soft);font-size:.8rem;margin:0}.analytics-notice .btn-primary{flex-shrink:0;font-size:.8rem;min-height:32px;padding:0 12px}@media (max-width:720px){.progress-next,.progress-stats{align-items:stretch;flex-direction:column;grid-template-columns:1fr}.site-footer-inner{grid-template-columns:1fr}}
/*# sourceMappingURL=main.0d08eb44.css.map*/