@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/manrope-latin-wght-normal-DHIcAJRg.woff2)format("woff2-variations")}@font-face{font-family:DM Sans Variable;font-style:normal;font-display:swap;font-weight:100 1000;src:url(/assets/dm-sans-latin-standard-normal-Bf69Tn_J.woff2)format("woff2-variations")}:root{color:#202638;font-synthesis:none;--ink:#151a2c;--navy:#20263d;--muted:#586477;--line:#e3e5df;--lime:#dcf98a;--lilac:#e8e1fa;--peach:#f9e3d4;--blue:#dfeaf9;--panel:#fff;--radius:22px;letter-spacing:-.015em;background:#f5f5f0;font-family:DM Sans Variable,sans-serif;font-weight:400;line-height:1.6}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit;color:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}button{background:0 0;border:0}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline-offset:4px;outline:3px solid #7077dc}h1,h2,h3,h4,p{margin:0}h1,h2,h3,h4{letter-spacing:-.03em;font-family:Manrope Variable,sans-serif;line-height:1.25}h1{outline:none;font-size:clamp(27px,2.6vw,39px);font-weight:750}h2{font-size:23px;font-weight:750}h3{font-size:17px;font-weight:750}h4{font-size:14px}p+p{margin-top:16px}svg{vertical-align:middle;flex-shrink:0}small,.small{font-size:13px;line-height:1.6}.muted{color:var(--muted)}.eyebrow{letter-spacing:.13em;color:#5c616c;text-transform:uppercase;font-size:10px;font-weight:750;line-height:1.5}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:100;background:var(--lime);border-radius:12px;padding:12px 20px;position:fixed;top:-100px;left:16px}.skip-link:focus{top:10px}.app-shell{min-height:100vh}.sidebar{background:var(--ink);color:#adb0c0;z-index:40;flex-direction:column;width:236px;padding:33px 23px 22px;display:flex;position:fixed;inset:0 auto 0 0}.brand{letter-spacing:.055em;color:#fff;white-space:nowrap;align-items:center;gap:9px;font-family:Manrope Variable,sans-serif;font-size:25px;font-weight:850;display:flex}.brand-icon{width:34px;height:37px;color:var(--lime);place-items:center;display:grid;transform:rotate(-7deg)}.brand-dot{align-self:flex-start;margin-top:6px;margin-left:-7px;font-size:9px}.sidebar-top{padding-left:6px}.course-label{color:#f2f2f8;letter-spacing:.05em;border:1px solid #303447;border-radius:13px;align-items:center;gap:10px;margin:40px 0 32px;padding:14px 11px;font-size:10px;font-weight:650;display:flex}.course-label small{color:#878da4;letter-spacing:0;margin-top:3px;font-size:10px;font-weight:400;display:block}.course-label .live-dot{width:5px;height:5px;margin-left:auto}.course-label-icon{width:28px;height:31px;color:var(--lime);background:#2b3145;border-radius:8px;place-items:center;display:grid}.live-dot{background:#b2d86c;border-radius:50%;flex-shrink:0;width:7px;height:7px;display:inline-block}.nav-label{letter-spacing:.14em;color:#7d8399;margin-bottom:11px;padding:0 13px;font-size:9px;font-weight:650}.main-nav{gap:6px;display:grid}.main-nav a{border-radius:10px;align-items:center;gap:12px;min-height:49px;padding:0 13px;font-size:13px;transition:none;display:flex}.main-nav a:hover{color:#fff;background:#242b40}.main-nav a.active{background:var(--lime);color:#20272b;font-weight:750}.nav-chevron{margin-left:auto}.ai-mini{color:#ccc6ed;border:1px solid #51576e;border-radius:5px;margin-left:auto;padding:1px 4px;font-size:8px;font-weight:700}.sidebar-bottom{margin-top:auto;padding-top:30px}.sidebar-note{border-top:1px solid #303447;margin:10px 10px 35px;padding-top:25px}.small-spark{color:#665980;font-size:30px;line-height:1}.sidebar-note p{color:#888fa6;margin-top:13px;font-size:12px;line-height:1.8}.sidebar-note strong{color:#d1d4de;font-weight:500}.settings-link{border-radius:10px;align-items:center;gap:12px;padding:11px 13px;font-size:12px;display:flex}.settings-link span{margin-left:auto}.settings-link:hover,.settings-link.active{color:#fff;background:#2b3145}.local-label{color:#80889d;justify-content:center;align-items:center;gap:7px;margin-top:19px;font-size:9px;display:flex}.app-main{min-width:0;margin-left:236px}.topbar{border-bottom:1px solid var(--line);background:#fafbf8;justify-content:space-between;align-items:center;height:78px;padding:0 42px;display:flex}.topbar-breadcrumb{color:#5e6169;letter-spacing:.12em;align-items:center;gap:13px;font-size:9px;font-weight:650;display:flex}.topbar-breadcrumb strong{color:#43495b;letter-spacing:0;font-size:11px;font-weight:550}.topbar-right{align-items:center;gap:22px;display:flex}.topbar-subject{color:#585e6e;align-items:center;gap:8px;font-size:11px;display:flex}.profile-button{background:#eae8dd;border:1px solid #dedfd4;border-radius:50%;place-items:center;width:35px;height:35px;display:grid}.page{outline:none;max-width:1510px;min-height:calc(100vh - 78px);margin:0 auto;padding:35px 42px 0}.page-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:29px;display:flex}.page-heading .eyebrow{margin-bottom:7px}.page-heading h1{line-height:1.3}.date-label{color:#5b606c;flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:7px;font-size:11px;display:flex}.date-label .live-dot{margin-left:7px}.page-intro{color:#595f6e;max-width:710px;margin-top:-13px;margin-bottom:28px;font-size:15px;line-height:1.8}.dashboard-grid{grid-template-columns:minmax(0,1fr) 275px;gap:21px;display:grid}.hero-card{background:var(--ink);color:#fff;border-radius:var(--radius);min-height:321px;display:flex;position:relative;overflow:hidden}.hero-content{z-index:2;max-width:64%;padding:34px 0 30px 31px;position:relative}.hero-badge{letter-spacing:.07em;color:#e3ebcf;border:1px solid #424951;border-radius:20px;align-items:center;gap:7px;padding:5px 9px;font-size:8px;font-weight:650;display:inline-flex}.hero-badge span{background:var(--lime);border-radius:50%;width:4px;height:4px}.hero-card h2{letter-spacing:-.03em;margin-top:20px;font-size:clamp(25px,2.2vw,34px);font-weight:700;line-height:1.3}.hero-card h2 span{color:#d8f693}.hero-content>p{color:#b0b4c3;max-width:310px;margin-top:14px;margin-bottom:23px;font-size:12px;line-height:1.8}.button{background:var(--lime);color:#20292a;text-align:center;border:1px solid #0000;border-radius:9px;justify-content:center;align-items:center;gap:10px;min-height:45px;padding:12px 19px;font-size:12px;font-weight:750;line-height:1.4;transition:transform .15s,background .15s;display:inline-flex}.button:hover:not(:disabled){background:#cceb7b;transform:translateY(-1px)}.button.secondary{color:#363e50;background:#fff;border-color:#d8dcd5}.button.secondary:hover:not(:disabled){background:#f0f2eb}.button svg{width:17px}.hero-caption{color:#8c96ac;align-items:center;gap:6px;margin-top:16px;font-size:9px;display:flex}.hero-art{z-index:1;background:radial-gradient(#5a635234,#0000 66%);place-items:center;width:43%;height:100%;display:grid;position:absolute;top:0;right:-11px}.orbit{border:1px solid #3a4249;border-radius:50%;width:230px;height:230px;position:absolute;transform:rotate(-30deg)}.orbit-two{width:290px;height:170px;transform:rotate(-55deg)}.orbit-three{border-color:#3b3b52;width:300px;height:125px;transform:rotate(35deg)}.orb-center{width:139px;height:139px;color:var(--lime);background:linear-gradient(145deg,#2c3540,#222a36);border:1px solid #4c564d;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;transform:rotate(-7deg);box-shadow:inset 0 0 25px #b4cf7517,0 12px 50px #0003}.orb-center>svg{width:28px;height:28px;margin-top:-8px;margin-bottom:5px}.orb-center strong{letter-spacing:-.07em;color:#f5f7e4;font-family:Manrope Variable,sans-serif;font-size:38px;font-weight:700;line-height:1}.orb-center strong span{letter-spacing:-.02em;margin-left:6px;font-size:12px;font-weight:500}.orb-center small{letter-spacing:.14em;color:#c1caaa;margin-top:10px;font-size:6px}.orbit-icon{border-radius:15px;place-items:center;width:51px;height:51px;display:grid;position:absolute;box-shadow:0 6px 20px #0002}.orbit-brain{color:#4c3c70;background:#d7c7fa;top:47px;right:32px;transform:rotate(12deg)}.orbit-heart{color:#654b43;background:#f4dcc9;bottom:55px;left:0;transform:rotate(-13deg)}.orbit-light{background:var(--lime);color:#435031;width:43px;height:43px;bottom:37px;right:25px;transform:rotate(13deg)}.spark{color:var(--lime);position:absolute}.spark-one{font-size:30px;top:40px;left:14px}.spark-two{color:#64597d;font-size:24px;top:125px;right:5px}.art-label{color:#929aaf;font-size:9px;position:absolute;bottom:16px;right:41px;transform:rotate(-6deg)}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}.week-card{flex-direction:column;padding:24px 22px;display:flex}.section-label{justify-content:space-between;align-items:center;gap:10px;display:flex}.icon-circle{border:1px solid var(--line);border-radius:50%;place-items:center;width:30px;height:30px;display:grid}.week-card h2{margin-top:20px;font-size:23px}.week-card>p{max-width:220px;margin-top:8px;font-size:11px;line-height:1.7}.week-dots{justify-content:space-between;gap:5px;margin-top:24px;display:flex}.week-dots>div{color:#5b5e65;flex-direction:column;align-items:center;gap:8px;font-size:9px;display:flex}.day-circle{color:#59606c;border:1px solid #eceee9;border-radius:50%;justify-content:center;align-items:center;width:27px;height:27px;font-size:10px;display:flex}.day-circle.today{color:#262e3f;border-color:#2f3846}.day-circle.active{background:var(--lime);border-color:var(--lime);color:#384530}.week-bottom{border-top:1px solid var(--line);color:#5d6068;gap:12px;margin-top:auto;padding-top:17px;font-size:9px;display:flex}.week-bottom strong{color:#4a5263;margin-right:3px;font-size:13px}.stat-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:22px 0 33px;display:grid}.stat-item{border:1px solid var(--line);background:#fff;border-radius:15px;align-items:center;gap:15px;min-width:0;padding:21px 23px;display:flex}.icon-square{color:#4d5362;background:#f3f1ec;border-radius:12px;flex-shrink:0;place-items:center;width:43px;height:43px;display:inline-grid}.lilac{background:var(--lilac);color:#615580}.lime{color:#4f6835;background:#eaf4d6}.peach{background:var(--peach);color:#7d5841}.blue{background:var(--blue);color:#476384}.stat-item strong{letter-spacing:-.05em;font-family:Manrope Variable,sans-serif;font-size:26px;font-weight:750;line-height:1.3}.stat-item strong span{letter-spacing:0;color:#5c5f64;font-family:DM Sans Variable,sans-serif;font-size:12px;font-weight:400}.stat-item p{color:#5b5f68;margin-top:3px;font-size:10px}.round-link{border:1px solid #e5e7df;border-radius:50%;flex-shrink:0;place-items:center;width:33px;height:33px;display:inline-grid}.stat-item .round-link{width:27px;height:27px;margin-left:auto}.round-link.dark{background:var(--ink);color:#fff}.content-columns{grid-template-columns:minmax(0,1fr) 275px;gap:22px;display:grid}.section-heading{justify-content:space-between;align-items:center;gap:12px;margin-top:31px;margin-bottom:17px;display:flex}.section-heading:first-child{margin-top:0}.section-heading h2{align-items:center;gap:9px;font-size:19px;display:flex}.text-link{align-items:center;gap:5px;font-size:11px;font-weight:600;line-height:1.6;display:inline-flex}.text-link:hover{text-decoration:underline}.next-lesson-card{border:1px solid var(--line);background:#fff;border-radius:18px;align-items:center;gap:19px;padding:20px;transition:transform .2s,box-shadow .2s;display:flex}.next-lesson-card:hover{transform:translateY(-2px);box-shadow:0 8px 25px #222a3610}.lesson-art{background:radial-gradient(at 30% 30%,#e8e1fa,#ddd4ef);border-radius:12px;flex-shrink:0;place-items:center;width:110px;height:123px;display:grid;position:relative;overflow:hidden}.lesson-art:before,.lesson-art:after{content:"";border:1px solid #baacd2;border-radius:50%;width:100px;height:100px;position:absolute;top:40px;left:-10px;transform:rotate(30deg)}.lesson-art:after{top:-40px;left:40px}.lesson-art svg{z-index:1;position:relative;transform:rotate(-12deg)}.tiny-spark{color:#685b80;font-size:24px;position:absolute;top:8px;right:13px}.next-lesson-content{flex:1}.next-lesson-content .eyebrow{font-size:8px}.next-lesson-content h3{margin:8px 0;font-size:20px}.next-lesson-content>p{color:#5c606b;font-size:11px;line-height:1.7}.lesson-meta{color:#5c606b;align-items:center;gap:6px;margin-top:15px;font-size:9px;display:flex}.lesson-meta>span{color:#5f6063;margin:0 2px}.topic-preview-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:11px;display:grid}.topic-preview{border:1px solid var(--line);background:#fff;border-radius:15px;flex-direction:column;padding:17px 12px;transition:background .15s;display:flex}.topic-preview:hover{background:#f9faef}.topic-preview .icon-square{border-radius:10px;width:37px;height:37px}.topic-preview h3{letter-spacing:-.025em;min-height:36px;margin-top:15px;font-size:12px;line-height:1.5}.topic-preview>span:last-child{color:#5c5e66;justify-content:space-between;align-items:center;margin-top:13px;font-size:9px;display:flex}.readiness-card{padding:23px}.readiness-card .eyebrow{font-size:8px}.readiness-card h2{margin-top:20px;font-size:24px;line-height:1.35}.readiness-number{letter-spacing:-.065em;margin:15px 0 12px;font-family:Manrope Variable,sans-serif;font-size:48px;font-weight:700;line-height:1}.readiness-number span{color:#5c625a;margin-left:3px;font-size:22px;font-weight:500}.progress-track{background:#ebeee6;border-radius:8px;width:100%;height:5px;overflow:hidden}.progress-track>span{background:#a9c66e;border-radius:8px;height:100%;transition:width .2s;display:block}.readiness-card>p{margin:15px 0;font-size:10px;line-height:1.8}.readiness-card>.text-link{font-size:10px}.tutor-teaser{background:var(--lilac);border:1px solid #ddd5ef;border-radius:18px;margin-top:18px;padding:22px;display:block}.tutor-teaser .icon-square{color:#685980;background:#f1edfa;border-radius:10px;width:34px;height:34px}.tutor-teaser h3{margin-top:17px;font-size:16px}.tutor-teaser p{color:#645d72;margin-top:8px;font-size:11px;line-height:1.8}.tutor-teaser .text-link{margin-top:15px;font-size:10px}.page-footer{border-top:1px solid var(--line);color:#5c6069;justify-content:space-between;align-items:center;gap:20px;margin-top:45px;padding:24px 0 28px;font-size:9px;display:flex}.footer-dot{color:#5a633c;padding:0 5px;font-size:13px}.page-footer a:hover{text-decoration:underline}.mobile-header,.mobile-close,.bottom-nav,.menu-backdrop{display:none}.pill{color:#5a616e;white-space:nowrap;border:1px solid #dfe2d8;border-radius:20px;padding:7px 12px;font-size:11px}.icon-button{border:1px solid var(--line);border-radius:50%;flex-shrink:0;place-items:center;width:38px;height:38px;display:inline-grid}.icon-button:hover{background:#edeff1}.notice{color:#5b674b;background:#f1f5e9;border:1px solid #e1e5d6;border-radius:12px;flex-wrap:wrap;align-items:flex-start;gap:6px 8px;margin:15px 0;padding:14px 17px;font-size:12px;line-height:1.7;display:flex}.notice.error{color:#8b493c;background:#fbefeb;border-color:#efd6cc}.notice a{text-underline-offset:3px;font-weight:700;text-decoration:underline}.notice code{overflow-wrap:anywhere;background:#e5e9dc;border-radius:4px;padding:1px 5px;font-size:11px}.notice>svg{margin-top:3px}.segmented{background:#eaece6;border-radius:11px;flex-wrap:wrap;align-self:flex-start;gap:3px;padding:4px;display:inline-flex}.segmented button{color:#585e65;border-radius:8px;min-height:39px;padding:9px 15px;font-size:12px}.segmented button[aria-pressed=true]{color:#30394b;background:#fff;font-weight:700;box-shadow:0 2px 5px #1111}.course-tools{justify-content:space-between;align-items:center;gap:20px;margin-bottom:23px;display:flex}.search-field{border:1px solid var(--line);color:#5c6069;background:#fff;border-radius:10px;align-items:center;gap:10px;min-width:280px;margin:0;padding:9px 13px;display:flex}.search-field input{outline-offset:7px;background:0 0;border:0;width:100%;min-height:25px;padding:0;font-size:12px}.filter-chips{flex-wrap:wrap;gap:7px;margin-bottom:25px;display:flex}.filter-chips button{color:#58606e;background:#f8f9f5;border:1px solid #dfe3db;border-radius:24px;min-height:42px;padding:10px 15px;font-size:11px}.filter-chips button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#f7f9ef}.course-sections{gap:20px;display:grid}.course-section{overflow:hidden}.course-section-header{border-bottom:1px solid var(--line);align-items:center;gap:17px;padding:24px;display:flex}.section-number{letter-spacing:-.03em;border-radius:13px;flex-shrink:0;place-items:center;width:49px;height:49px;font-family:Manrope Variable,sans-serif;font-size:18px;font-weight:750;display:inline-grid}.course-section-header h2{margin:3px 0 7px;font-size:21px}.course-section-header p{color:#5c616b;font-size:12px}.section-progress{min-width:120px;max-width:160px;margin-left:auto}.section-progress>span{color:#5c6069;margin-bottom:9px;font-size:10px;display:block}.lesson-row{text-align:left;align-items:center;gap:16px;width:100%;padding:17px 24px;transition:background .15s;display:flex}.lesson-row+.lesson-row{border-top:1px solid #eef0e9}.lesson-row:hover{background:#f9fbf3}.lesson-row>div{flex:1;min-width:0}.lesson-row strong{font-size:13px;font-weight:600;line-height:1.6;display:block}.lesson-row>div>span{color:#595e66;margin-top:4px;font-size:10px;display:block}.lesson-index{color:#5d6069;background:#f3f4f0;border-radius:8px;flex-shrink:0;place-items:center;width:30px;height:32px;font-family:Manrope Variable,sans-serif;font-size:11px;display:grid}.lesson-index.practiced{background:var(--lilac);color:#655b76}.lesson-index.mastered{color:#4d682e;background:#dbeebc}.status-pill{white-space:nowrap;color:#59606a;background:#f0f2ed;border:1px solid #e5e7e1;border-radius:7px;align-items:center;gap:3px;padding:4px 7px;font-size:9px;line-height:1.5;display:inline-flex}.status-pill.practiced{color:#675879;background:#efebf8;border-color:#e6def5}.status-pill.seen{color:#4f637a;background:#edf2f9;border-color:#dfe8f4}.status-pill.mastered{color:#516832;background:#e9f4d5;border-color:#deedc1}.glossary-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.glossary-term{flex-direction:column;padding:23px;display:flex}.glossary-term h2{letter-spacing:-.03em;font-size:18px}.glossary-term p{color:#59616f;margin:11px 0 18px;font-size:13px}.glossary-term .text-link{margin-top:auto}.empty-state{text-align:center;border:1px solid var(--line);background:#fff;border-radius:22px;max-width:850px;margin:30px auto;padding:50px 25px}.empty-icon{color:#57633f;margin-bottom:20px}.empty-state h2{font-size:24px}.empty-state p{color:#585e69;max-width:500px;margin:15px auto 24px;font-size:14px}.session-layout{grid-template-columns:minmax(0,1fr) 270px;gap:24px;display:grid}.session-list{gap:16px;display:grid}.session-step{gap:22px;padding:28px;display:flex}.session-step h2{margin:7px 0 12px;font-size:22px}.session-step p{color:#585e69;margin-bottom:21px;font-size:13px}.session-aside{color:#575e68;align-self:flex-start;padding:26px;position:sticky;top:22px}.session-aside h2,.session-aside h3{color:#303a49;margin:18px 0 12px}.session-aside p{font-size:12px;line-height:1.9}.divider{border-top:1px solid var(--line);margin:25px 0}.session-aside .text-link{margin-top:24px}.lesson-player{max-width:900px;margin:0 auto}.lesson-topline{justify-content:space-between;align-items:center;gap:12px;display:flex}.lesson-header{margin:30px 0}.lesson-header h1{max-width:760px;margin-top:9px;font-size:clamp(27px,3vw,39px)}.source-ref{color:#595e65;align-items:center;gap:7px;margin-top:15px;font-size:11px;display:flex}.lesson-stages{justify-content:space-between;gap:10px;margin:25px 0 17px;padding:0;list-style:none;display:flex}.lesson-stages li{color:#5a5f66;align-items:center;gap:8px;font-size:10px;display:flex}.lesson-stages li>span{color:#585e64;background:#e7e9e3;border-radius:50%;place-items:center;width:24px;height:24px;font-size:10px;display:grid}.lesson-stages li.current{color:#273347;font-weight:750}.lesson-stages li.current>span{background:var(--ink);color:#59623c}.lesson-stages li.done>span{color:#4e6432;background:#dfebca}.medical-note{color:#585e67;background:#eef1e8;border:1px solid #dfe5d5;border-radius:10px;margin:19px 0;padding:13px 16px;font-size:11px;line-height:1.8}.medical-note summary{cursor:pointer;font-weight:650}.medical-note p{margin-top:12px}.medical-note a{margin-top:8px;text-decoration:underline;display:inline-block}.lesson-paper{margin-top:24px;padding:40px}.lesson-paper h2{margin:12px 0 20px;font-size:27px;line-height:1.4}.challenge-stage{text-align:center;padding:20px 0}.challenge-stage .icon-square{border-radius:18px;width:61px;height:61px;margin-bottom:25px;transform:rotate(-7deg)}.challenge-stage h2{max-width:640px;margin:17px auto 19px;font-size:30px}.challenge-stage>p:not(.eyebrow){color:#5b616e;max-width:550px;margin:0 auto 28px;font-size:14px;line-height:1.9}.teach-stage>p{color:#535e6f;font-size:16px;line-height:1.95}.teaching-diagram{background:#f2f4ea;border:1px solid #e2e7d8;border-radius:15px;margin:29px 0;padding:25px}.teaching-diagram h3{letter-spacing:-.025em;margin-bottom:18px;font-size:16px}.teaching-diagram ol{flex-wrap:wrap;gap:10px;margin:0;padding:0;list-style:none;display:flex}.teaching-diagram li{background:#fff;border:1px solid #dfe4d5;border-radius:11px;flex-direction:column;flex:1;min-width:125px;padding:16px;font-size:12px;line-height:1.7;display:flex;position:relative}.teaching-diagram li>span{letter-spacing:.05em;color:#5a6443;margin-bottom:9px;font-size:9px}.teaching-diagram li>svg{z-index:1;color:#596348;background:#f2f4ea;position:absolute;top:calc(50% - 8px);right:-16px}.example-box{color:#6a5883;background:#f5f0fc;border:1px solid #e9e0f6;border-radius:14px;gap:15px;margin:25px 0;padding:23px;display:flex}.example-box h3{color:#5b4c70;letter-spacing:-.02em;margin-bottom:8px;font-size:14px}.example-box p{color:#635b71;font-size:13px;line-height:1.9}.lesson-terms{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin:25px 0 30px;display:grid}.lesson-terms>div{border:1px solid var(--line);border-radius:12px;padding:19px}.lesson-terms h3{letter-spacing:-.025em;font-size:14px}.lesson-terms p{color:#575e69;margin-top:9px;font-size:12px;line-height:1.8}.lesson-bottom{color:#5a5f65;justify-content:space-between;align-items:center;gap:14px;margin-top:24px;font-size:10px;display:flex}.text-button{color:#58606e;text-underline-offset:4px;justify-content:center;align-items:center;gap:6px;min-height:42px;padding:10px 2px;font-size:11px;font-weight:650;text-decoration:underline;display:inline-flex}.text-button:hover{color:#2c3b4d}.danger{color:#93463d}.lesson-paper label,.ai-form>label,.tutor-context label,.settings-section form>label{margin:20px 0 9px;font-size:12px;font-weight:650;display:block}input:not([type=radio]):not([type=checkbox]),textarea,select{background:#fafbf8;border:1px solid #dce0d8;border-radius:10px;max-width:100%;padding:12px 14px;font-size:13px;line-height:1.7}textarea{resize:vertical;width:100%;min-height:112px;margin-bottom:18px;display:block}textarea:disabled{color:#565f6c;opacity:1;background:#f4f5ef}input[type=checkbox],input[type=radio]{accent-color:#697f45;flex-shrink:0;width:17px;height:17px;margin:0}fieldset{border:0;margin:0;padding:0}legend{color:#586069;margin-bottom:12px;font-size:11px}.choice-options{gap:11px;margin:25px 0;display:grid}.lesson-paper .choice-option,.choice-option{cursor:pointer;background:#fafbf7;border:1px solid #e0e5dc;border-radius:11px;align-items:center;gap:13px;min-height:61px;margin:0;padding:16px;font-size:13px;font-weight:400;display:flex;position:relative}.choice-option input{opacity:0;width:16px;height:16px;position:absolute}.choice-option:has(input:focus-visible){outline-offset:4px;outline:3px solid #7077dc}.choice-option:has(input:disabled){cursor:default}.option-letter{color:#5c6258;background:#fff;border:1px solid #d9dfd3;border-radius:8px;flex-shrink:0;place-items:center;width:29px;height:29px;font-size:11px;display:grid}.choice-option.selected{background:#f0f5e5;border-color:#929d78}.choice-option.correct{background:#f1f6e8;border-color:#aac885}.choice-option.correct .option-letter{color:#4e6430;background:#ddedc4;border-color:#bfd49a}.choice-option.incorrect{background:#fcf0ea;border-color:#d8a58e}.choice-option>svg{color:#516736;margin-left:auto}.confidence{flex-wrap:wrap;gap:14px;margin:20px 0 25px;display:flex}.confidence legend{margin-bottom:6px}.lesson-paper .confidence label,.confidence label{align-items:center;gap:7px;min-height:37px;margin:0;font-size:11px;font-weight:400;display:flex}.answer-feedback{color:#4d6438;background:#f2f7eb;border:1px solid #d9e5c7;border-radius:12px;align-items:flex-start;gap:15px;margin:22px 0;padding:21px;display:flex}.answer-feedback>svg{width:22px;margin-top:2px}.answer-feedback strong{font-size:13px;font-weight:650}.answer-feedback p{margin-top:8px;font-size:13px;line-height:1.8}.answer-feedback.incorrect{color:#7a5841;background:#fcf1ea;border-color:#eed6c7}.self-rubric{background:#f7f8f3;border:1px solid #e6e8df;border-radius:13px;margin:25px 0;padding:24px}.self-rubric h3{margin:9px 0 17px;font-size:18px}.model-answer{color:#58616e;border-bottom:1px solid #e2e5dc;padding-bottom:20px;font-size:14px;line-height:1.9}.self-rubric fieldset{gap:9px;margin:20px 0;display:grid}.self-rubric legend{margin-bottom:12px}.self-rubric label{align-items:center;gap:10px;min-height:35px;margin:0;padding:6px 0;font-size:12px;font-weight:400;line-height:1.7;display:flex}.self-rubric .muted{margin-top:15px}.char-count{color:#596069;text-align:right;margin-top:-10px;margin-bottom:17px;font-size:9px;display:block}.question-counter{color:#5c6069;letter-spacing:.12em;margin-bottom:23px;font-size:9px}.assessment-options{flex-wrap:wrap;align-items:center;gap:10px;margin:20px 0;display:flex}.finish-button{margin-top:25px}.summary-stage{padding:10px 0}.summary-icon{color:#526837;background:#e8f3d6;border-radius:50%;place-items:center;width:70px;height:70px;margin-bottom:25px;display:grid}.summary-stage>p{color:#59606a;font-size:15px;line-height:1.9}.summary-facts{border-bottom:1px solid var(--line);gap:20px;margin:10px 0;padding:25px 0;display:grid}.summary-facts>div{color:#586046;gap:15px;display:flex}.summary-facts strong{color:#444f62;font-size:13px;font-weight:650}.summary-facts p{color:#596069;margin-top:4px;font-size:12px}.review-banner{color:#67567c;background:#e9e3f4;border:1px solid #ded5ec;border-radius:18px;gap:20px;margin-bottom:25px;padding:25px;display:flex}.review-banner h2{color:#5e4f77;font-size:20px}.review-banner p{margin-top:9px;font-size:13px;line-height:1.9}.review-list{gap:11px;display:grid}.review-list .lesson-row{border:1px solid var(--line)}.review-player{max-width:850px;margin:0 auto;padding:35px}.review-player>h2{margin:23px 0;font-size:26px}.review-player h3{margin-bottom:17px;font-size:20px;line-height:1.5}.review-player>label{margin:20px 0 9px;font-size:12px;display:block}.review-player .assessment h2{margin-top:14px;font-size:24px}.locked-answer{overflow-wrap:anywhere;background:#f5f6f0;border:1px solid #e5e8df;border-radius:11px;margin:20px 0;padding:18px}.locked-answer strong{color:#586069;font-size:11px}.locked-answer p{color:#566170;white-space:pre-wrap;margin-top:7px;font-size:14px;line-height:1.9}.ai-assistant{background:#fff;border:1px solid #dedce6;border-radius:20px;align-self:flex-start;min-width:0;padding:28px}.ai-title{align-items:center;gap:13px;margin-bottom:23px;display:flex}.ai-title h2{margin-bottom:6px;font-size:19px}.ai-title .small{font-size:10px}.ai-title>.icon-button{width:32px;height:32px;margin-left:auto}.ai-assistant .notice{font-size:11px}.ai-assistant .segmented{margin:22px 0;display:flex}.ai-assistant .segmented button{flex:1;padding:9px 8px}.consent-box{color:#68587c;background:#f7f4fc;border:1px solid #e7e0f3;border-radius:12px;align-items:flex-start;gap:12px;margin:20px 0;padding:19px;display:flex}.consent-box strong{color:#5c4b72;font-size:13px}.consent-box p{margin:9px 0 16px;font-size:11px;line-height:1.9}.small-button{min-height:39px;padding:9px 12px;font-size:10px}.ai-exchange{margin-bottom:20px}.student-message{white-space:pre-wrap;overflow-wrap:anywhere;background:#f0f2e9;border:1px solid #e4e7db;border-radius:13px 13px 0;margin:10px 0 17px 50px;padding:14px 17px;font-size:13px;line-height:1.9}.ai-message{align-items:flex-start;gap:12px;display:flex}.ai-message>svg{color:#695b7d;margin-top:3px}.ai-message p{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.9}.ai-message ul{padding-left:18px;font-size:12px;line-height:1.9}.ai-message h4{color:#586442;letter-spacing:-.02em;margin-top:20px}.ai-message small{color:#5a6067;margin-top:18px;font-size:9px;display:block}.score-tag{color:#6f5b88;background:#e9e3f3;border-radius:7px;margin-top:10px;padding:5px 8px;font-size:10px;display:inline-block}.ai-form{border-top:1px solid var(--line);margin-top:23px;padding-top:1px}.form-footer{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.form-footer>small{color:#596069;max-width:190px;font-size:9px}.grade-preview{background:#f4f6ee;border:1px solid #e6e9de;border-radius:12px;margin:20px 0;padding:19px}.grade-preview strong{color:#58604e;font-size:11px}.grade-preview p{white-space:pre-wrap;overflow-wrap:anywhere;margin-top:8px;font-size:13px;line-height:1.9}.spin{animation:1.5s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.tutor-layout{grid-template-columns:290px minmax(0,1fr);gap:23px;display:grid}.tutor-context{align-self:flex-start;padding:26px}.tutor-context>svg{color:#645b74}.tutor-context h2{margin-top:15px;font-size:21px}.tutor-context select{width:100%;margin-bottom:17px;font-size:12px}.tutor-context h3{font-size:16px}.tutor-context h3+p{margin-top:12px}.tutor-context label{font-size:11px}.exam-presets{grid-template-columns:repeat(2,minmax(0,1fr));gap:23px;margin:28px 0;display:grid}.exam-preset{padding:32px;position:relative;overflow:hidden}.preset-time{letter-spacing:-.07em;color:#74845a;font-family:Manrope Variable,sans-serif;font-size:58px;font-weight:750;line-height:1.4;position:absolute;top:20px;right:29px}.preset-time small{letter-spacing:-.02em;color:#5d6d41;margin-left:6px;font-size:13px}.exam-preset h2{margin:27px 0 12px;font-size:24px}.exam-preset p{color:#5a606b;font-size:13px}.exam-preset ul{color:#57606d;gap:11px;margin:25px 0;padding:0;font-size:12px;list-style:none;display:grid}.exam-preset li{align-items:center;gap:10px;display:flex}.exam-preset li svg{color:#54643c}.exam-player{max-width:960px;margin:0 auto}.exam-top{justify-content:space-between;align-items:center;gap:15px;margin-bottom:27px;display:flex}.exam-timer{color:#556439;font-variant-numeric:tabular-nums;background:#edf3df;border:1px solid #dfe7ce;border-radius:9px;align-items:center;gap:9px;padding:9px 14px;font-size:16px;font-weight:650;display:flex}.exam-timer.urgent{color:#9b482a;background:#fce4d8;border-color:#edc8b4}.exam-player h1{max-width:640px;font-size:31px}.exam-progress{margin:23px 0}.exam-progress>span{color:#5a5f69;margin-bottom:8px;font-size:10px;display:block}.question-nav{flex-wrap:wrap;gap:6px;margin-bottom:25px;display:flex}.question-nav button{color:#596053;background:#f7f9f0;border:1px solid #dfe5d7;border-radius:7px;width:34px;height:36px;font-size:11px}.question-nav button.answered{color:#55643f;background:#e8efd8}.question-nav button.current{background:var(--ink);color:#5c6050;border-color:var(--ink)}.exam-question{padding:36px}.exam-question h2{margin-top:14px;font-size:25px;line-height:1.5}.exam-question>label{margin:25px 0 10px;font-size:12px;display:block}.exam-question-footer{justify-content:space-between;gap:15px;margin-top:30px;display:flex}.exam-under{justify-content:space-between;align-items:center;gap:20px;margin-top:20px;display:flex}.result-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:25px 0;display:grid}.result-stats>div{padding:28px}.result-stats strong{letter-spacing:-.05em;margin:16px 0 4px;font-family:Manrope Variable,sans-serif;font-size:44px;font-weight:700;line-height:1.3;display:block}.result-stats strong small{color:#5c6054;font-size:22px;font-weight:400}.result-stats p{color:#5b6169;font-size:12px}.gap-list{border:1px solid var(--line);background:#fff;border-radius:18px;overflow:hidden}.gap-row{justify-content:space-between;align-items:center;gap:20px;padding:20px 24px;display:flex}.gap-row+.gap-row{border-top:1px solid var(--line)}.gap-row strong{font-size:13px;font-weight:650}.gap-row p{color:#595f67;margin-top:5px;font-size:11px}.exam-answer-list{gap:18px;display:grid}.result-question{padding:28px}.result-question h3{margin-top:9px;font-size:18px;line-height:1.6}.result-question>.ai-assistant{margin-top:25px}.result-question>.assessment-options+p{color:#55606b;font-size:13px;line-height:1.9}.progress-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:25px 0;display:grid}.progress-stats>div{padding:27px}.progress-stats strong{letter-spacing:-.05em;margin-top:15px;font-family:Manrope Variable,sans-serif;font-size:39px;font-weight:700;line-height:1.4;display:block}.progress-stats strong small{color:#5b6054;font-size:17px;font-weight:400}.progress-stats p{color:#5b6169;margin-top:6px;font-size:11px}.activity-card{padding:30px}.activity-chart{align-items:flex-end;gap:14px;height:190px;margin-top:10px;padding:10px 10px 0;display:flex}.activity-chart>div{flex-direction:column;flex:1;align-items:center;gap:8px;min-width:0;display:flex}.activity-bar{background:#eef0e8;border-radius:6px 6px 3px 3px;width:100%;max-width:45px;display:block}.activity-bar.filled{background:#bbd58b}.activity-chart .small{color:#5b6058;font-size:10px}.bar-count{color:#586344;height:18px;font-size:11px}.activity-card>p{margin-top:18px;font-size:10px}.insights-list{gap:11px;display:grid}.insight-row{align-items:center;gap:20px;padding:20px 25px;display:flex}.insight-content{flex:1}.insight-content h3{letter-spacing:-.025em;margin-bottom:12px;font-size:14px}.mastery-stacked{background:#edf0e7;border-radius:6px;height:7px;display:flex;overflow:hidden}.mastery-stacked span{height:7px;display:block}.mastery-stacked .mastered{background:#b6d381}.mastery-stacked .practiced{background:#cbbce9}.mastery-stacked .seen{background:#bdd4eb}.insight-content p{color:#5c6157;margin-top:8px;font-size:9px}.insight-row>.small{color:#5a6053}.mastery-explainer{margin-top:25px;padding:30px}.mastery-explainer h2{margin-bottom:16px;font-size:22px}.mastery-explainer p{color:#586069;font-size:13px;line-height:1.9}.mastery-explainer .progress-track{margin-top:25px}.settings-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;display:grid}.settings-section{min-width:0;padding:28px}.settings-section h2{margin:18px 0;font-size:23px}.settings-section>h2:first-child{margin-top:0}.settings-section>p{color:#585f69;margin-bottom:17px;font-size:13px;line-height:1.9}.settings-section p.small{font-size:11px}.setting-row{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:15px;margin:25px 0;padding-top:22px;display:flex}.setting-row label{font-size:12px;font-weight:650}.setting-row label small{color:#585f68;max-width:200px;margin-top:4px;font-size:9px;font-weight:400;display:block}.setting-row input{flex-shrink:0;width:155px;font-size:11px!important}.api-status-line{align-items:center;gap:9px;margin:20px 0 17px;display:flex}.api-status-line strong{color:#5a6346;font-size:12px}.muted-dot{background:#b7b2a5}.toggle-row{cursor:pointer;background:#f4f6ef;border:1px solid #e3e8d8;border-radius:11px;align-items:flex-start;gap:12px;padding:18px;font-size:12px;display:flex}.toggle-row input{margin-top:3px}.toggle-row small{color:#586053;margin-top:8px;font-size:9px;display:block}.setup-details{color:#596053;background:#f5f6f1;border:1px solid #e6e9de;border-radius:10px;margin-top:20px;padding:15px;font-size:11px}.setup-details summary{cursor:pointer;font-weight:650}.setup-details p{margin-top:13px;line-height:1.9}.settings-section code{overflow-wrap:anywhere;background:#e9eddf;border-radius:4px;padding:2px 5px;font-size:10px}.settings-section form input{width:100%;margin-bottom:16px}.source-links{color:#586548;padding-left:18px;font-size:11px;line-height:2}.source-links a{text-underline-offset:3px;text-decoration:underline}.dialog-overlay{z-index:80;background:#10142699;place-items:center;padding:22px;display:grid;position:fixed;inset:0}.dialog,dialog{max-width:560px;color:var(--ink);background:#fff;border:1px solid #dfe3d6;border-radius:23px;width:calc(100% - 36px);padding:0;box-shadow:0 30px 100px #0003}dialog::backdrop{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#121728b3}.dialog,.dialog-content{padding:32px}.dialog h2,.dialog-content h2{font-size:25px}.dialog p,.dialog-content p{color:#5a616d;margin:16px 0 23px;font-size:13px;line-height:1.9}.dialog-content>label{margin:18px 0 8px;font-size:12px;display:block}.onboarding-dialog{max-width:565px}.onboarding-content{text-align:center;padding:38px 44px}.onboarding-mark{background:var(--ink);width:64px;height:69px;color:var(--lime);border-radius:19px;place-items:center;margin:0 auto 23px;display:grid;transform:rotate(-7deg)}.onboarding-content>.eyebrow{font-size:9px}.onboarding-content h2{margin:13px 0 17px;font-size:35px;line-height:1.3}.onboarding-content>p:not(.eyebrow){color:#5c616a;font-size:13px;line-height:1.9}.onboarding-points{text-align:left;gap:19px;margin:29px 0;display:grid}.onboarding-points>div{color:#586149;align-items:flex-start;gap:14px;display:flex}.onboarding-points span{color:#585f67;font-size:11px;line-height:1.7}.onboarding-points strong{color:#485469;margin-bottom:3px;font-size:12px;font-weight:650;display:block}.onboarding-content>.button{width:100%;min-height:49px}.onboarding-content>small{color:#5a5e64;margin-top:17px;font-size:9px;display:block}@media (width>=1600px){.hero-art{width:46%}.hero-content{padding:38px}.hero-card h2{font-size:38px}.hero-content>p{max-width:360px;font-size:14px}.hero-card{min-height:350px}.week-card{padding:28px}.dashboard-grid,.content-columns{grid-template-columns:minmax(0,1fr) 310px}.hero-badge{font-size:9px}.next-lesson-content h3{font-size:23px}.next-lesson-content>p{font-size:12px}.topic-preview h3{font-size:14px}.topic-preview{padding:20px 17px}.hero-art .orbit-brain{right:70px}.hero-art .orbit-light{right:65px}.orb-center{width:160px;height:160px}.orbit{width:270px;height:270px}.orbit-two{width:325px;height:190px}.orbit-three{width:340px;height:150px}}@media (width<=1250px){.sidebar{width:211px;padding-left:17px;padding-right:17px}.app-main{margin-left:211px}.topbar{padding:0 28px}.page{padding:30px 28px 0}.dashboard-grid{grid-template-columns:1fr}.week-card{display:none}.content-columns{grid-template-columns:minmax(0,1fr) 242px;gap:19px}.hero-content{max-width:62%;padding:31px}.hero-art{width:39%;right:15px}.hero-card h2{font-size:34px}.hero-content>p{max-width:350px}.stat-grid{gap:12px}.stat-item{gap:11px;padding:19px 15px}.stat-item .icon-square{border-radius:9px;width:36px;height:36px}.stat-item .round-link{display:none}.stat-item strong{font-size:24px}.next-lesson-card{gap:14px;padding:16px}.lesson-art{width:83px;height:119px}.next-lesson-content h3{font-size:18px}.next-lesson-card>.round-link{display:none}.topic-preview-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-preview h3{min-height:0;margin-top:12px;font-size:13px}.topic-preview>span:last-child{margin-top:9px}.readiness-card{padding:22px 19px}.course-section-header{padding:22px}.course-section-header h2{font-size:19px}.section-progress{min-width:95px}.lesson-row{gap:12px;padding:17px 22px}.lesson-row strong{font-size:12px}.tutor-layout{grid-template-columns:250px minmax(0,1fr);gap:17px}.tutor-context{padding:21px}.ai-assistant{padding:23px}.ai-title h2{font-size:17px}.settings-grid{gap:17px}.settings-section{padding:24px}.setting-row{flex-direction:column;align-items:flex-start}.setting-row label small{max-width:none}}@media (width<=1000px){.date-label{display:none}.page-heading h1{font-size:31px}.content-columns{grid-template-columns:1fr}.dashboard-aside{grid-template-columns:1fr 1fr;gap:20px;margin-top:10px;display:grid}.readiness-card{padding:25px}.readiness-card h2 br{display:none}.readiness-card h2{font-size:23px}.readiness-card .readiness-number{font-size:39px}.tutor-teaser{margin-top:0;padding:25px}.tutor-teaser h3{font-size:21px}.tutor-teaser p{font-size:12px}.topic-preview-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.topic-preview h3{min-height:37px;font-size:12px}.hero-card h2{font-size:31px}.hero-content>p{max-width:290px}.hero-art{width:40%;right:0}.orbit-brain,.orbit-light{right:8px}.hero-caption{font-size:8px}.course-tools{flex-direction:column;align-items:stretch}.search-field{width:100%;min-width:0;max-width:100%}.course-tools .segmented{align-self:flex-start}.section-progress{display:none}.glossary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.session-layout{grid-template-columns:1fr}.session-aside{position:static}.lesson-paper{padding:30px}.lesson-stages{gap:6px}.lesson-stages li{gap:5px;font-size:9px}.lesson-stages li>span{width:20px;height:20px}.lesson-paper h2{font-size:25px}.tutor-layout{grid-template-columns:1fr}.tutor-context{display:block}.settings-grid{grid-template-columns:1fr}.setting-row{flex-direction:row;align-items:center}.settings-section{padding:28px}.exam-presets{gap:16px}.exam-preset{padding:25px}.exam-preset h2{font-size:21px}.preset-time{font-size:45px;top:22px;right:20px}.exam-preset .icon-square{width:36px;height:36px}.exam-preset p,.exam-preset ul{font-size:11px}.exam-preset .button{padding:12px;font-size:11px}.progress-stats{gap:12px}.progress-stats>div{padding:22px}.progress-stats p{font-size:10px}}@media (width<=760px){.sidebar{width:260px;padding:26px 23px 20px;transition:transform .2s;transform:translate(-100%)}.sidebar.menu-open{transform:translate(0)}.sidebar-top{justify-content:space-between;align-items:center;display:flex}.mobile-close{color:#5c6068;border-color:#3c455c;width:31px;height:31px;display:grid}.mobile-close:hover{background:#303a52}.menu-backdrop{z-index:30;background:#12172899;display:block;position:fixed;inset:0}.app-main{margin-left:0}.topbar{background:#f9faf6;height:68px;padding:0 22px;position:relative}.mobile-header{align-items:center;gap:11px;display:flex}.mobile-header .brand{color:var(--ink);gap:4px;font-size:19px}.mobile-header .brand-icon{color:#667748;width:24px}.mobile-header .brand-icon svg{width:22px}.mobile-header .brand-dot{margin-top:5px;margin-left:0;font-size:7px}.mobile-header>.icon-button{border:0;width:24px;height:36px}.topbar-breadcrumb{display:none}.topbar-right{gap:12px}.topbar-subject{font-size:9px}.profile-button{width:32px;height:32px}.bottom-nav{padding:9px 8px max(10px, env(safe-area-inset-bottom));-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:25;background:#fbfcf8f5;border-top:1px solid #dfe4d9;justify-content:space-around;align-items:center;min-height:68px;display:flex;position:fixed;bottom:0;left:0;right:0}.bottom-nav>a,.bottom-nav>button{color:#586069;border-radius:9px;flex-direction:column;justify-content:center;align-items:center;gap:4px;min-width:51px;min-height:43px;font-size:8px;display:flex}.bottom-nav>a.active{color:#43522e}.bottom-nav>a.active svg{background:#e5f2cb;border-radius:4px;box-shadow:0 0 0 6px #e5f2cb}.bottom-nav>a.active>span{font-weight:700}.page{min-height:calc(100vh - 68px);padding:28px 22px 70px}.page-heading{align-items:flex-start;gap:15px;margin-bottom:23px}.page-heading h1{font-size:30px}.page-heading .eyebrow{margin-bottom:8px;font-size:9px}.page-heading>.pill{align-self:center;padding:6px 9px;font-size:9px}.hero-card{min-height:320px}.hero-content{max-width:64%;padding:28px 0 25px 25px}.hero-badge{gap:5px;padding:5px 8px;font-size:7px}.hero-card h2{margin-top:19px;font-size:29px}.hero-content>p{max-width:290px;margin-top:15px;margin-bottom:23px;font-size:11px;line-height:1.8}.hero-caption{font-size:8px}.hero-art{width:37%;right:8px}.orbit{width:180px;height:180px}.orbit-two{width:215px;height:150px}.orbit-three{width:215px;height:103px}.orb-center{width:117px;height:117px}.orb-center>svg{width:23px;height:23px}.orb-center strong{font-size:32px}.orb-center small{letter-spacing:.13em;font-size:5px}.orbit-icon{border-radius:11px;width:40px;height:40px}.orbit-icon svg{width:22px}.orbit-brain{top:58px;right:12px}.orbit-heart{bottom:61px;left:-11px}.orbit-light{width:34px;height:34px;bottom:50px;right:5px}.orbit-light svg{width:20px}.spark-one{font-size:23px;top:46px;left:0}.spark-two{font-size:20px;right:-5px}.art-label{display:none}.stat-grid{gap:9px;margin:16px 0 28px}.stat-item{gap:10px;padding:17px 13px}.stat-item strong{font-size:24px}.stat-item strong span{font-size:10px}.stat-item p{font-size:8px;line-height:1.6}.stat-item .icon-square{width:32px;height:34px}.stat-item .icon-square svg{width:17px}.section-heading h2{font-size:19px}.section-heading .text-link{font-size:10px}.next-lesson-card{gap:19px;padding:18px}.lesson-art{width:97px;height:120px}.next-lesson-content h3{font-size:20px}.next-lesson-content .eyebrow{font-size:8px}.topic-preview-grid{gap:10px}.topic-preview{padding:16px 12px}.topic-preview h3{font-size:12px}.topic-preview>span:last-child{font-size:9px}.dashboard-aside{gap:15px}.readiness-card h2,.tutor-teaser h3{font-size:23px}.page-footer{gap:12px;margin-top:32px;padding-bottom:25px;font-size:8px}.page-footer>span{max-width:250px}.lesson-header{margin:26px 0}.lesson-header h1{font-size:31px}.source-ref{font-size:10px}.lesson-paper{padding:28px}.lesson-bottom{font-size:9px}.teach-stage>p{font-size:15px}.teaching-diagram{padding:21px}.exam-top{margin-bottom:20px}.exam-player h1{font-size:28px}.settings-section{padding:26px}.activity-chart{gap:9px}.review-player{padding:27px}.insight-row{gap:15px;padding:18px 20px}.insight-row .section-number{width:40px;height:42px;font-size:15px}.insight-content h3{font-size:13px}.tutor-context select{margin-bottom:15px}.dialog h2,.dialog-content h2{font-size:23px}.onboarding-content{padding:32px 30px}.onboarding-content h2{font-size:31px}.page-intro{margin-top:-9px;font-size:13px;line-height:1.9}.exam-under{align-items:flex-start}.exam-question{padding:28px}.exam-question h2{font-size:23px}.result-stats>div{padding:23px}.gap-row{padding:20px}.gap-row .button{padding:10px;font-size:10px}.progress-stats>div{padding:22px 18px}.activity-card{padding:24px}.setting-row input{width:150px}.lesson-row .status-pill{font-size:8px}}@media (width<=480px){.topbar{height:64px;padding:0 18px}.topbar-subject{gap:5px;font-size:8px}.topbar-subject .live-dot{width:5px;height:5px}.topbar-right{gap:10px}.profile-button{width:29px;height:29px}.profile-button svg{width:15px}.mobile-header{gap:9px}.mobile-header .brand{font-size:18px}.page{padding:25px 17px 78px}.page-heading{margin-bottom:22px}.page-heading h1{font-size:28px}.page-heading>.pill{white-space:normal;text-align:center;max-width:115px;font-size:8px}.hero-card{min-height:377px}.hero-content{width:100%;max-width:100%;padding:26px 23px 25px}.hero-badge{letter-spacing:.08em;font-size:7px}.hero-card h2{max-width:310px;margin-top:20px;font-size:31px;line-height:1.3}.hero-content>p{z-index:2;max-width:210px;margin-top:16px;margin-bottom:21px;font-size:11px;line-height:1.9;position:relative}.hero-content>.button{z-index:3;max-width:230px;min-height:46px;margin-top:6px;padding-left:15px;padding-right:12px;font-size:11px;position:relative}.hero-caption{letter-spacing:-.01em;margin-top:16px;font-size:8px}.hero-art{opacity:.8;width:150px;height:175px;top:auto;bottom:19px;right:-10px}.orbit{width:141px;height:141px}.orbit-two{width:170px;height:103px}.orbit-three{width:180px;height:80px}.orb-center{width:88px;height:88px}.orb-center>svg{width:19px;height:19px;margin-top:-3px;margin-bottom:3px}.orb-center strong{font-size:25px}.orb-center strong span{font-size:9px}.orb-center small{margin-top:7px;font-size:4px}.orbit-icon{border-radius:9px;width:32px;height:32px}.orbit-icon svg{width:18px}.orbit-brain{top:1px;right:14px}.orbit-heart{width:29px;height:29px;bottom:14px;left:0}.orbit-light{width:27px;height:27px;bottom:5px;right:14px}.orbit-light svg{width:16px}.spark-one{font-size:18px;top:8px;left:17px}.spark-two{font-size:16px;top:70px;right:3px}.stat-grid{gap:8px;margin:15px 0 27px}.stat-item{border-radius:13px;flex-direction:column;align-items:flex-start;gap:11px;padding:14px 10px}.stat-item .icon-square{width:30px;height:30px}.stat-item strong{font-size:24px}.stat-item strong span{white-space:nowrap;font-size:9px}.stat-item p{margin-top:3px;font-size:8px}.stat-item:last-child strong span{font-size:8px}.section-heading{margin-bottom:15px}.section-heading h2{font-size:18px}.section-heading .small{font-size:9px}.next-lesson-card{border-radius:16px;gap:13px;padding:15px}.lesson-art{border-radius:10px;width:72px;height:119px}.lesson-art svg{width:30px}.next-lesson-content h3{margin:7px 0;font-size:17px}.next-lesson-content>p{-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:10px;line-height:1.7;display:-webkit-box;overflow:hidden}.next-lesson-content .eyebrow{letter-spacing:.1em;font-size:6px}.lesson-meta{flex-wrap:wrap;gap:4px;margin-top:12px;font-size:7px}.lesson-meta svg{width:11px}.course-preview-heading{flex-direction:column;align-items:flex-start;gap:5px;margin-top:27px}.topic-preview-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.topic-preview{padding:17px 15px}.topic-preview .icon-square{width:36px;height:36px}.topic-preview h3{min-height:20px;margin-top:12px;font-size:13px}.topic-preview>span:last-child{margin-top:10px}.dashboard-aside{grid-template-columns:1fr;gap:16px;margin-top:7px}.readiness-card{padding:24px}.readiness-card h2{font-size:24px}.readiness-number{margin:16px 0!important}.readiness-card>p{font-size:11px}.tutor-teaser{padding:24px}.tutor-teaser h3{font-size:22px}.tutor-teaser p{font-size:12px}.page-footer{align-items:flex-start;gap:16px;font-size:8px;line-height:1.9}.page-footer>span{max-width:190px}.page-footer>a{text-align:right;max-width:75px}.filter-chips{gap:6px;margin-bottom:21px}.filter-chips button{min-height:38px;padding:8px 12px;font-size:10px}.course-section-header{align-items:flex-start;gap:12px;padding:20px 17px}.course-section-header .section-number{border-radius:10px;width:38px;height:40px;font-size:14px}.course-section-header .eyebrow{font-size:7px}.course-section-header h2{margin-top:3px;font-size:18px;line-height:1.4}.course-section-header p{font-size:10px;line-height:1.8}.lesson-row{flex-wrap:wrap;gap:11px;padding:15px 16px}.lesson-row>div{flex-basis:calc(100% - 48px)}.lesson-row .lesson-index{width:27px;height:29px;font-size:9px}.lesson-row strong{font-size:12px;line-height:1.7}.lesson-row>div>span{font-size:9px}.lesson-list .lesson-row>.status-pill{margin-top:-4px;margin-left:38px;font-size:8px}.lesson-list .lesson-row>svg{width:16px;margin-left:auto;margin-right:3px}.glossary-grid{grid-template-columns:1fr}.glossary-term{padding:23px}.course-tools .segmented{width:100%}.course-tools .segmented>button{flex:1}.session-step{gap:14px;padding:23px 20px}.session-step .section-number{border-radius:10px;width:34px;height:37px;font-size:14px}.session-step h2{font-size:20px}.session-step .eyebrow{font-size:7px}.session-step p{font-size:12px}.session-aside{padding:25px}.lesson-header h1{font-size:28px;line-height:1.35}.lesson-header .eyebrow{font-size:9px}.lesson-header{margin-top:24px;margin-bottom:22px}.source-ref{gap:5px;font-size:9px}.source-ref svg{width:12px}.lesson-stages li{flex-direction:column;gap:6px;font-size:0;display:flex}.lesson-stages li.current{font-size:8px}.lesson-stages{align-items:flex-start;gap:7px;min-height:45px;margin:21px 0 14px}.lesson-stages li>span{width:27px;height:27px;font-size:10px}.lesson-paper{border-radius:18px;margin-top:20px;padding:25px 21px}.challenge-stage{padding:8px 0}.challenge-stage h2{font-size:26px;line-height:1.45}.challenge-stage>p:not(.eyebrow){font-size:12px;line-height:1.9}.lesson-paper h2{font-size:24px;line-height:1.45}.teach-stage>p{font-size:14px;line-height:2}.lesson-paper .eyebrow{font-size:8px}.teaching-diagram{margin:23px 0;padding:18px}.teaching-diagram h3{font-size:15px;line-height:1.5}.teaching-diagram ol{flex-direction:column;gap:9px}.teaching-diagram li{flex-direction:row;align-items:center;gap:12px;padding:13px 15px;font-size:12px;display:flex}.teaching-diagram li>span{margin:0}.teaching-diagram li>svg{display:none}.example-box{gap:12px;padding:19px}.example-box>svg{width:18px}.example-box h3{font-size:13px}.example-box p{font-size:12px}.lesson-terms{grid-template-columns:1fr;gap:11px}.lesson-terms>div{padding:17px}.lesson-terms h3{font-size:13px}.lesson-terms p{font-size:11px}.lesson-paper .choice-option,.choice-option{gap:11px;padding:14px 12px;font-size:12px;line-height:1.8}.option-letter{width:25px;height:27px;font-size:10px}.choice-options{gap:10px;margin:22px 0}.confidence{gap:5px 13px;margin:18px 0}.lesson-paper .confidence label{min-height:37px;font-size:10px}.choice-option input{width:15px;height:15px}.answer-feedback{gap:11px;padding:18px 16px}.answer-feedback strong{font-size:12px}.answer-feedback p{font-size:12px;line-height:1.9}.answer-feedback>svg{width:19px}.lesson-bottom{flex-wrap:wrap;gap:3px 12px}.lesson-bottom>span{text-align:center;flex-basis:100%;order:3;font-size:9px}.lesson-bottom>.text-button:last-child{margin-left:auto}.medical-note{padding:12px 14px;font-size:10px}.self-rubric{padding:20px 17px}.self-rubric h3{font-size:17px}.model-answer{font-size:13px}.self-rubric label{gap:9px;font-size:11px}.self-rubric legend{font-size:10px}.assessment-options>.button{font-size:11px}.lesson-paper textarea{font-size:13px}.notice{padding:13px 14px;font-size:11px}.review-banner{gap:13px;padding:22px 18px}.review-banner>svg{width:24px}.review-banner h2{font-size:18px;line-height:1.5}.review-banner p{font-size:11px}.review-player{padding:23px 20px}.review-player>h2{font-size:24px;line-height:1.4}.review-player h3{font-size:18px;line-height:1.6}.review-player .assessment h2{font-size:23px}.review-player .confidence label{font-size:10px;display:flex}.review-list .lesson-row{gap:12px}.review-list .lesson-row .icon-square{width:35px;height:37px}.review-list .lesson-row>div{flex-basis:calc(100% - 58px)}.review-list .status-pill{margin-left:47px}.review-list .lesson-row>span:last-child{margin-left:auto}.ai-assistant{border-radius:17px;padding:23px 19px}.ai-title{align-items:flex-start;gap:10px;margin-bottom:20px}.ai-title .icon-square{border-radius:9px;width:33px;height:35px}.ai-title .icon-square svg{width:18px}.ai-title h2{margin-bottom:4px;font-size:17px;line-height:1.5}.ai-title .small{font-size:9px;line-height:1.8;display:block}.ai-title>.icon-button{width:27px;height:28px}.ai-title>.icon-button svg{width:14px}.consent-box{gap:10px;padding:17px 14px}.consent-box>svg{width:19px}.consent-box strong{font-size:12px}.consent-box p{font-size:10px;line-height:1.9}.consent-box .small-button{font-size:9px}.ai-assistant .segmented button{padding:8px 7px;font-size:11px}.student-message{margin-left:25px;padding:13px;font-size:12px}.ai-message{gap:10px}.ai-message>svg{width:17px}.ai-message p{font-size:13px}.ai-form>label{font-size:11px}.form-footer .button{width:100%;margin-top:4px}.form-footer>small{max-width:none}.form-footer>.text-button{width:100%}.grade-preview{padding:16px}.grade-preview p{font-size:12px}.tutor-context{padding:24px 22px}.tutor-context h2{font-size:22px}.tutor-layout{gap:18px}.exam-presets{grid-template-columns:1fr;gap:18px}.exam-preset{padding:28px 25px}.exam-preset h2{margin-top:29px;font-size:24px}.exam-preset p,.exam-preset ul,.exam-preset .button{font-size:12px}.preset-time{font-size:57px;top:18px;right:27px}.exam-preset .icon-square{width:43px;height:43px}.exam-player h1{font-size:27px;line-height:1.4}.exam-top .eyebrow{font-size:8px}.exam-timer{gap:6px;padding:8px 10px;font-size:14px}.exam-timer svg{width:15px}.question-nav{gap:5px}.question-nav button{width:32px;height:35px;font-size:10px}.exam-question{padding:25px 20px}.exam-question h2{font-size:22px;line-height:1.55}.exam-question .eyebrow{font-size:8px}.exam-under{flex-direction:column;gap:4px}.exam-under p{font-size:10px}.exam-question-footer>.button{gap:7px;padding:11px 13px;font-size:11px}.result-stats{gap:12px}.result-stats>div{padding:21px 17px}.result-stats .eyebrow{min-height:22px;font-size:7px;display:block}.result-stats strong{margin-top:13px;font-size:34px}.result-stats strong small{font-size:18px}.result-stats p{font-size:10px}.result-question{padding:24px 20px}.result-question h3{font-size:17px;line-height:1.65}.result-question .eyebrow{font-size:8px}.gap-row{flex-wrap:wrap;gap:12px;padding:20px}.gap-row strong{font-size:12px}.gap-row p{font-size:10px}.gap-row .button{min-height:36px;padding:8px 12px;font-size:10px}.result-question>.assessment-options>.small{font-size:10px}.progress-stats{gap:9px}.progress-stats>div{padding:17px 12px}.progress-stats .icon-square{border-radius:10px;width:32px;height:34px}.progress-stats .icon-square svg{width:18px}.progress-stats strong{margin-top:12px;font-size:29px}.progress-stats strong small{font-size:12px}.progress-stats p{font-size:9px;line-height:1.8}.activity-card{padding:22px 19px}.activity-chart{gap:6px;height:175px;padding-left:0;padding-right:0}.activity-chart .small,.activity-card .eyebrow{font-size:8px}.activity-card h2{font-size:21px}.insight-row{gap:12px;padding:18px 15px}.insight-row .section-number{border-radius:9px;width:34px;height:36px;font-size:13px}.insight-content h3{font-size:12px;line-height:1.5}.insight-content p{font-size:8px;line-height:1.8}.insight-row>.small{font-size:9px}.mastery-explainer{padding:25px 22px}.mastery-explainer h2{font-size:22px}.mastery-explainer p{font-size:12px}.settings-section{padding:25px 22px}.settings-section h2{font-size:23px}.settings-section>p{font-size:12px}.settings-section p.small{font-size:11px}.setting-row{flex-direction:column;align-items:stretch;gap:13px}.setting-row input{width:100%}.settings-section .assessment-options .button{width:100%;font-size:11px}.toggle-row{padding:17px 14px;font-size:11px}.toggle-row small{font-size:9px}.api-status-line strong{font-size:11px}.dialog,.dialog-content{padding:27px 23px}.dialog h2,.dialog-content h2{font-size:24px}.dialog p,.dialog-content p{font-size:12px}.onboarding-content{padding:31px 25px}.onboarding-content h2{font-size:30px}.onboarding-content>p:not(.eyebrow){font-size:12px}.onboarding-points{gap:17px;margin:25px 0}.onboarding-points strong{font-size:11px}.onboarding-points span{font-size:10px}.onboarding-mark{border-radius:16px;width:57px;height:60px;margin-bottom:21px}.onboarding-mark svg{width:31px}.onboarding-content>.button{font-size:11px}.onboarding-content>small{font-size:8px}.bottom-nav{padding-top:10px}.empty-state{padding:37px 21px}.empty-state h2{font-size:23px}.empty-state p{font-size:12px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media print{.sidebar,.topbar,.bottom-nav,.page-footer,.button,.text-button{display:none!important}.app-main{margin:0}.page{padding:0}.card{break-inside:avoid}}.sidebar .mobile-close{display:none}@media (width<=760px){.sidebar .mobile-close{display:grid}.sidebar{visibility:hidden}.sidebar.menu-open{visibility:visible}}.exam-verbs{color:#586477;margin:20px 0;padding:21px 24px;font-size:13px}.exam-verbs summary{cursor:pointer;color:#374257;font-weight:650}.exam-verbs dl{gap:14px;margin:23px 0 5px;display:grid}.exam-verbs dl>div{grid-template-columns:100px 1fr;gap:15px;display:grid}.exam-verbs dt{color:#3e4a5d;font-weight:700}.exam-verbs dd{margin:0;line-height:1.8}@media (width<=480px){.exam-verbs{padding:20px;font-size:12px}.exam-verbs dl>div{grid-template-columns:83px 1fr;gap:10px}}
