:root{color:#172923;font-synthesis:none;background:#f5f7f6;font-family:Arial,Helvetica,sans-serif}*{box-sizing:border-box}body{margin:0}button,select,input,textarea{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}a{color:inherit}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible{outline-offset:4px;outline:3px solid #377bde}button{border:0}.app-shell{min-height:100vh;display:flex}.sidebar{background:#fff;border-right:1px solid #e1e7e3;flex-direction:column;flex:none;width:250px;padding:35px 21px 20px;display:flex;position:fixed;inset:0 auto 0 0;overflow-y:auto}.brand{letter-spacing:-1px;white-space:nowrap;align-items:center;font-size:23px;font-weight:800;text-decoration:none;display:flex}.brand-icon{color:#fff;letter-spacing:-5px;background:#193e31;border-radius:10px;justify-content:center;align-items:center;width:35px;height:35px;margin-right:9px;padding-right:5px;font-size:24px;display:flex}.brand-icon span{color:#d5ef82}.brand-dot{color:#5b8a36}.workspace-label{letter-spacing:1.7px;color:#65766a;margin:45px 12px 17px;font-size:12px;font-weight:700}nav{gap:6px;display:grid}.nav-item{text-align:left;color:#536259;background:0 0;border-radius:8px;align-items:center;gap:12px;width:100%;padding:14px 13px;font-size:14px;font-weight:550;display:flex}.nav-item:hover{background:#f5f7f4}.nav-item.active{color:#284b31;background:#edf3e9}.sidebar-bottom{margin-top:auto;padding-top:40px}.upgrade{background:#f4f7f0;border-radius:12px;margin-bottom:18px;padding:20px}.upgrade h3{margin:10px 0 7px;font-size:15px;line-height:1.5}.upgrade p{color:#58674f;margin:0;font-size:14px;line-height:1.65}.user{border-top:1px solid #e9ece9;align-items:center;gap:10px;margin-top:15px;padding:22px 3px 0;display:flex}.avatar{color:#4d6546;background:#eef0e8;border:1px solid #dfe4d6;border-radius:50%;place-items:center;width:37px;height:37px;font-size:12px;font-weight:700;display:grid}.user strong{font-size:14px}.user small{color:#627065;margin-top:5px;font-size:12px;display:block}.small{width:34px;height:34px}main{width:calc(100% - 250px);margin-left:250px}.topbar{color:#637168;background:#fff;border-bottom:1px solid #e3e8e5;justify-content:space-between;align-items:center;height:78px;padding:0 42px;font-size:14px;display:flex}.top-actions{align-items:center;gap:22px;display:flex}.beta{letter-spacing:1.2px;border:1px solid #e2e7e0;border-radius:4px;padding:7px 9px;font-size:12px;font-weight:700}.page{max-width:1450px;margin:auto;padding:40px 42px 22px}.page-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:29px;display:flex}.eyebrow{letter-spacing:1.5px;color:#5c755e;font-size:12px;font-weight:750}h1{letter-spacing:-1.2px;margin:10px 0;font-size:32px;line-height:1.3}p{line-height:1.65}.page-heading p{color:#617167;margin:0;font-size:16px}.track-select{color:#3b4e42;background:#fff;border:1px solid #dce3dd;border-radius:8px;align-items:center;gap:8px;padding:13px;display:flex}.track-select select{max-width:200px;color:inherit;background:0 0;border:0;font-size:14px}.hero{color:#fff;background:#173d31;border-radius:16px;min-height:320px;display:flex;position:relative;overflow:hidden}.hero-copy{z-index:1;max-width:590px;padding:32px 38px}.hero-tag{color:#d2e3ba;letter-spacing:1.7px;align-items:center;gap:8px;font-size:12px;display:flex}.hero-tag>span{background:#c5e68c;border-radius:50%;width:5px;height:5px}.hero h2{letter-spacing:-1px;margin:18px 0 12px;font-size:35px;font-weight:550;line-height:1.15}.hero p{color:#c1d0c7;max-width:400px;margin:0 0 22px;font-size:16px}.primary,.secondary{color:#203d2b;background:#d4ed95;border-radius:7px;justify-content:center;align-items:center;gap:18px;padding:14px 19px;font-size:14px;font-weight:700;display:inline-flex}.primary:hover{background:#e1f6b1}.hero-meta{color:#bdd0c1;gap:18px;margin-top:22px;font-size:12px;display:flex}.hero-meta span{align-items:center;gap:5px;display:flex}.hero-art{width:330px;height:280px;position:absolute;top:50%;right:4%;transform:translateY(-50%)}.orbit{border:1px solid #ffffff12;border-radius:50%;position:absolute;inset:5px}.o2{inset:35px}.o3{inset:65px}.art-badge{color:#325c3d;background:linear-gradient(135deg,#d6e4b9,#abc47d);border:9px solid #ffffff14;border-radius:32px;place-items:center;width:128px;height:128px;display:grid;position:absolute;top:76px;left:102px;transform:rotate(-12deg);box-shadow:0 22px 45px #06251f}.float-chip{color:#395340;background:#fff;border-radius:7px;align-items:center;gap:7px;padding:12px 14px;font-size:12px;display:flex;position:absolute;transform:rotate(-6deg);box-shadow:0 10px 25px #092c2c33}.chip-one{top:65px;left:0}.chip-two{bottom:48px;right:-5px;transform:rotate(5deg)}.art-star{color:#cbe492;font-size:38px;position:absolute;top:18px;right:20px}.stat-grid{grid-template-columns:repeat(3,1fr);gap:17px;margin:22px 0 37px;display:grid}.stat{background:#fff;border:1px solid #e3e8e3;border-radius:10px;gap:15px;padding:21px;display:flex}.stat-icon{color:#637a5e;background:#f4f6f2;border-radius:10px;place-items:center;width:42px;height:42px;display:grid}.stat div>span{color:#61705f;font-size:14px}.stat strong{margin:6px 0;font-size:27px;display:block}.stat small{color:#637267;font-size:12px}.content-grid{grid-template-columns:minmax(0,1fr) 285px;gap:26px;display:grid}.section-head{justify-content:space-between;align-items:center;gap:10px;margin-bottom:20px;display:flex}.section-head h2{letter-spacing:-.4px;margin:0 0 7px;font-size:20px}.section-head p{color:#627166;margin:0;font-size:14px}.text-button{color:#526649;white-space:nowrap;background:0 0;align-items:center;gap:5px;font-size:14px;display:flex}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;display:grid}.topic-card{text-align:left;background:#fff;border:1px solid #e1e7e1;border-radius:10px;padding:21px;transition:transform .15s,border-color .15s;position:relative}.topic-card:hover{border-color:#93ae85;transform:translateY(-3px)}.topic-icon{border-radius:10px;place-items:center;width:40px;height:40px;font-size:22px;display:grid}.purple{color:#8060a8;background:#f0eafa}.blue{color:#4a6ba0;background:#e9f0ff}.orange{color:#976739;background:#fff1e4}.pink{color:#965675;background:#fbeaf0}.green{color:#4c795d;background:#eaf3ed}.yellow{color:#80733b;background:#f8f3dc}.topic-arrow{color:#7d8d7e;position:absolute;top:24px;right:21px}.topic-card h3{margin:15px 0 7px;font-size:16px}.topic-card p{color:#637469;margin:0;font-size:14px}.topic-foot{color:#557447;border-top:1px solid #edf0ec;justify-content:space-between;align-items:center;margin-top:20px;padding-top:13px;font-size:12px;display:flex}.plan-card{background:#edf1e7;border:1px solid #e0e7d7;border-radius:12px;padding:26px 24px}.plan-card h2{letter-spacing:-.7px;margin:15px 0 28px;font-size:24px;line-height:1.3}.steps{gap:24px;display:grid}.step{gap:13px;display:flex}.step>span{background:#fff;border:1px solid #d9e2ce;border-radius:50%;flex:none;place-items:center;width:28px;height:28px;font-size:12px;display:grid}.step strong{font-size:14px}.step p{color:#617050;margin:5px 0;font-size:14px}.secondary{background:0 0;border:1px solid #ccd7bf;width:100%;margin-top:28px;padding:12px 15px;font-size:14px}.source-note{color:#5b705e;gap:12px;margin:25px 5px;display:flex}.source-note svg{flex:none}.source-note strong{font-size:14px}.source-note p{margin:6px 0;font-size:13px;line-height:1.8}footer{color:#657261;border-top:1px solid #e2e7e1;justify-content:space-between;gap:20px;margin-top:35px;padding-top:21px;font-size:12px;display:flex}@media (min-width:1500px){.hero-art{right:8%}.hero{min-height:325px}}@media (max-width:1200px){.sidebar{width:215px;padding-left:14px;padding-right:14px}.brand{font-size:21px}main{width:calc(100% - 215px);margin-left:215px}.page{padding:30px 26px}.topbar{padding:0 26px}.content-grid{grid-template-columns:minmax(0,1fr) 255px;gap:18px}.hero-art{opacity:.7;right:-6%}.hero-copy{max-width:72%}.hero-meta{flex-wrap:wrap;gap:10px}.stat{padding:15px}.stat-icon{display:none}}@media (max-width:1050px){.hero-art{display:none}.hero-copy{max-width:none}.content-grid{grid-template-columns:1fr}.right-column{grid-template-columns:1fr 1fr;gap:20px;display:grid}.sidebar{width:195px}main{width:calc(100% - 195px);margin-left:195px}.brand{font-size:18px}.nav-item{font-size:14px}.track-select{padding:10px}.page-heading{flex-direction:column;align-items:flex-start}}@media (max-width:700px){.sidebar{border-bottom:1px solid #e1e7e3;border-right:0;width:100%;padding:18px 20px;position:static}.brand{font-size:23px}.workspace-label,.sidebar-bottom{display:none}nav{gap:4px;margin-top:17px;display:flex;overflow-x:auto}.nav-item{white-space:nowrap;width:auto;padding:10px;font-size:14px}.nav-item svg{flex:none;width:16px}.app-shell{display:block}main{width:100%;margin:0}.topbar{display:none}.page{padding:25px 18px}.page-heading{gap:17px}h1{font-size:30px}.hero-copy{padding:28px 24px}.hero h2{font-size:32px}.hero-meta{font-size:12px}.stat-grid{gap:8px;margin-bottom:28px}.stat{padding:15px 11px}.stat div>span{font-size:12px}.stat small{display:none}.stat strong{font-size:24px}.topic-card{padding:17px}.topic-card h3{font-size:16px}.topic-foot{font-size:12px}.right-column{grid-template-columns:1fr}.section-head h2{font-size:19px}.section-head .text-button{display:none}footer{line-height:1.8;display:block}footer span{margin-top:10px;display:block}}@media (max-width:390px){.topic-grid{grid-template-columns:minmax(0,1fr)}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}.data-diagram{color:#183b32;background:#f8faf7;border:1px solid #dce4dd;border-radius:12px;margin:20px 0;padding:20px}.data-diagram figcaption{margin-bottom:16px;font-weight:700}.data-bars{margin-bottom:20px}.data-scale{color:#53685f;justify-content:space-between;margin-left:90px;margin-right:34px;font-size:12px;display:flex}.data-bar-row{grid-template-columns:80px minmax(0,1fr) 28px;align-items:center;gap:10px;margin:12px 0;font-size:14px;display:grid}.data-bar-track{background:#e7eee7;border-left:1px solid #53685f;height:20px}.data-bar{background:#286b55;height:100%}.data-diagram table{border-collapse:collapse;width:100%;font-size:14px}.data-diagram caption{text-align:left;margin-bottom:8px;font-weight:600}.data-diagram th,.data-diagram td{text-align:left;border-bottom:1px solid #dce4dd;padding:8px}.data-diagram td,.data-diagram th:last-child{text-align:right}.data-diagram tbody th{font-weight:400}@media (max-width:420px){.data-diagram{padding:12px}.data-bar-row{grid-template-columns:75px minmax(0,1fr) 25px;gap:6px}.data-scale{margin-left:81px;margin-right:31px}}.skill-training{border-top:1px solid #dce4dd;margin-top:16px;padding-top:12px}.skill-training summary{cursor:pointer;font-size:14px;font-weight:600}.skill-training label{margin-top:14px;font-size:14px;display:block}.skill-training select{color:#183b32;background:#fff;border:1px solid #ccd8ce;border-radius:6px;width:100%;max-width:100%;margin-top:8px;padding:10px;display:block}.skill-training p{margin:12px 0;font-size:13px}.matrix-diagram{background:#f8faf7;border:1px solid #dce4dd;border-radius:12px;margin:20px 0;padding:18px}.matrix-diagram figcaption{margin-bottom:16px;font-weight:700}.matrix-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;max-width:320px;margin:auto;display:grid}.matrix-diagram svg{width:100%;height:auto;display:block}.matrix-caption{margin:20px 0 10px;font-weight:600}.matrix-choices{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;max-width:360px;margin:auto;display:grid}.matrix-choices strong{text-align:center;margin-bottom:6px;display:block}.matrix-choices svg{max-width:80px;margin:auto}@media (max-width:420px){.matrix-diagram{padding:12px}.matrix-grid,.matrix-choices{gap:8px}}.dictation-panel[hidden]{display:none!important}.dictation-panel{max-width:960px}.dictation-panel>label{margin:18px 0 8px;font-weight:600;display:block}.dictation-panel select,.dictation-panel textarea{color:#172923;background:#fff;border:1px solid #b8cbbb;border-radius:8px;width:100%;padding:12px;display:block}.dictation-panel textarea{resize:vertical;min-height:260px;line-height:1.7}.dictation-audio{background:#f4f7f0;border-radius:10px;margin:20px 0;padding:18px}.dictation-audio audio{width:100%;margin:12px 0;display:block}.dictation-continuous{align-items:center;gap:10px;margin-top:18px;display:flex}.dictation-continuous input{width:auto}.dictation-result{border-top:1px solid #dce4dd;margin-top:28px;padding-top:20px;line-height:1.7}.dictation-differences{padding-left:24px}.dictation-differences li{overflow-wrap:anywhere;margin:12px 0}.dictation-differences small{color:#52665b;display:block}
.skip-link{z-index:100;background:#fff;padding:15px;position:fixed;top:-80px;left:10px}.skip-link:focus{top:10px}.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}h1:focus{outline:none}.upgrade .text-button{white-space:normal;margin-top:13px;padding:0;font-size:12px}.beta{color:#576953;cursor:pointer;background:#fff}.panel{background:#fff;border:1px solid #e0e7e0;border-radius:12px;padding:28px}.panel h2{letter-spacing:-.6px;margin:10px 0 17px;font-size:24px;line-height:1.3}.panel h3{margin-top:25px;font-size:17px}.panel p{color:#53675a;max-width:75ch;font-size:16px}.two-columns{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);align-items:start;gap:24px;display:grid}.tint{background:#edf1e7}.section-space{margin-top:24px}.narrow{max-width:840px}.readable-list{color:#53675a;gap:12px;margin:22px 0 27px;padding-left:22px;font-size:16px;line-height:1.8;display:grid}.notice,.alert,.resume-banner{color:#355434;background:#edf3e7;border:1px solid #d6e2c8;border-radius:8px;margin:0 0 23px;padding:17px 20px;font-size:15px;line-height:1.6}.alert{color:#833e17;background:#fff3e9;border-color:#e5c6ac;align-items:flex-start;gap:12px;display:flex}.alert svg{flex:none;margin-top:3px}.notice p{margin-top:0}.button-row{flex-wrap:wrap;align-items:center;gap:18px;margin-top:20px;display:flex}.button-row .secondary{margin-top:0}.resume-banner{color:#3f5778;background:#eef2f8;border-color:#dbe3ee;justify-content:space-between;align-items:center;gap:15px;display:flex}.resume-banner>span{align-items:center;gap:10px;display:flex}.resume-banner svg{flex:none}.icon-button{color:#355d3b;background:#edf3e9;border-radius:50%;place-items:center;width:34px;height:34px;display:grid}.icon-button:hover{background:#dce9d2}.topic-card{cursor:default;min-width:0}.topic-card:hover{transform:none}.topic-actions{justify-content:space-between;gap:12px;margin-top:13px;display:flex}.topic-actions .text-button{white-space:normal;text-align:left;padding:0;font-size:13px}.topic-card .lesson{border-top:1px solid #e3e9df;margin-top:18px;padding-top:15px;font-size:15px;line-height:1.8}.toolbar{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:23px;display:flex}.search-label{flex:1;max-width:400px}.compact{width:auto;margin:0}.panel label,.search-label{color:#48614e;font-size:14px;font-weight:600;display:block}.panel input:not([type=radio]):not([type=checkbox]),.panel select,.panel textarea,.search-label input{color:#1a3724;background:#fff;border:1px solid #cbd8ce;border-radius:7px;width:100%;margin:9px 0 20px;padding:13px 14px;font-size:16px;line-height:1.5;display:block}.panel textarea{resize:vertical;min-height:130px}.panel textarea.notes{min-height:360px;font-weight:400}.form-grid{grid-template-columns:1fr 1fr;gap:20px;margin-bottom:5px;display:grid}.muted{color:#64755f!important;font-size:14px!important}.learning-days{margin-top:24px;display:grid}.learning-day{border-top:1px solid #e4e9e2;align-items:center;gap:14px;padding:18px 0;display:flex}.learning-day>div{flex:1}.learning-day small{color:#62755f;margin-top:7px;font-size:13px;line-height:1.6;display:block}.day-number{background:#f0f4eb;border-radius:7px;flex:none;place-items:center;width:30px;height:33px;font-size:14px;display:grid}.learning-day .icon-button{flex:none}.checklist{gap:20px;margin-top:25px;display:grid}.checklist label{align-items:flex-start;gap:12px;font-size:16px;font-weight:400;line-height:1.6;display:flex}.checklist input{accent-color:#315b38;flex:none;width:19px;height:19px;margin-top:4px}.session-meta{color:#5a705f;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px;font-size:14px;display:flex}.timer,.time-low{font-variant-numeric:tabular-nums;background:#e6efdc;border-radius:8px;justify-content:center;align-items:center;gap:7px;min-width:100px;padding:10px 14px;display:flex}.time-low{color:#984923;background:#ffe4d6}.question-panel{max-width:900px;margin:0 auto}.question-top{color:#5d725e;justify-content:space-between;gap:18px;margin-bottom:17px;font-size:14px;display:flex}progress{accent-color:#5b854c;background:#e7ece3;border:0;border-radius:5px;width:100%;height:7px;display:block;overflow:hidden}progress::-webkit-progress-bar{background:#e7ece3}progress::-webkit-progress-value{background:#769857;border-radius:5px}.question-text{white-space:pre-line;overflow-wrap:anywhere;font-weight:550;margin:33px 0!important;font-size:25px!important;line-height:1.55!important}.options{border:0;gap:12px;margin:0;padding:0;display:grid}.option{cursor:pointer;background:#fff;border:1px solid #d8e2d6;border-radius:8px;align-items:center;gap:14px;padding:16px 18px;line-height:1.6;font-size:16px!important;font-weight:400!important;display:flex!important}.option:hover{background:#f6f8f2}.option.selected{background:#f0f5e6;border-color:#638944}.option input{accent-color:#305a36;flex:none;width:18px;height:18px}.option-letter{color:#728063;border:1px solid #dbe3d4;border-radius:4px;flex:none;place-items:center;width:26px;height:27px;font-size:13px;display:grid}.numeric-label{max-width:420px}.question-actions{justify-content:space-between;align-items:center;gap:20px;margin-top:32px;display:flex}.question-footer{color:#687b63;border-top:1px solid #e1e8df;justify-content:space-between;align-items:center;gap:15px;margin-top:30px;padding-top:18px;font-size:12px;display:flex}.question-footer .text-button{font-size:13px}.question-panel .notice{margin:20px 0 0}.feedback{max-width:900px;margin:0 auto}.feedback.correct{border-top:4px solid #6b964d}.feedback.incorrect{border-top:4px solid #c09b50}.feedback h2{white-space:pre-line}.explanation{background:#f1f5ed;border-radius:8px;margin:23px 0;padding:20px 23px}.explanation h3{margin-top:0}.explanation p:last-child{margin-bottom:0}.result-hero{background:#eaf0df;border:1px solid #d9e3cc;border-radius:13px;align-items:center;gap:30px;padding:32px;display:flex}.result-hero h2{letter-spacing:-.6px;font-size:26px}.result-hero p{color:#586c4e;max-width:620px}.score-ring{background:#f6f9f0;border:9px solid #bad096;border-radius:50%;flex:none;place-items:center;width:130px;height:130px;display:grid}.score-ring strong{font-size:37px}.score-ring span{margin-left:3px;font-size:18px}.review-list{gap:12px;margin-top:25px;display:grid}.review-item{padding:20px}.review-item summary{cursor:pointer;align-items:flex-start;gap:14px;line-height:1.65;list-style:none;display:flex}.review-item summary::-webkit-details-marker{display:none}.result-mark{border-radius:50%;flex:none;place-items:center;width:27px;height:27px;display:grid}.ok{color:#46742b;background:#e7f0dc}.bad{color:#a96731;background:#fff0e3}.review-body{padding:10px 0 0 40px}.review-body small{color:#65775c;margin-bottom:13px;display:block}.report-form{margin-top:25px}.topic-progress{gap:25px;margin:30px 0;display:grid}.topic-progress>div>div{justify-content:space-between;align-items:center;gap:15px;margin-bottom:11px;font-size:14px;display:flex}.topic-progress span{color:#6a7a62;font-size:13px}.history{margin-top:25px}.history-row{text-align:left;color:#3d573d;background:0 0;border-top:1px solid #e1e8df;justify-content:space-between;gap:20px;width:100%;padding:21px 0;display:flex}.history-row small{color:#6a7b65;margin-top:7px;font-size:13px;display:block}.history-row>span:last-child{align-items:center;gap:10px;font-size:14px;display:flex}.history-row:hover{background:#f6f8f1}.source-row{border-top:1px solid #e3e9e1;padding:20px 0}.source-row a,.external-link{color:#356537;text-underline-offset:4px;align-items:center;gap:7px;line-height:1.6;text-decoration-thickness:1px;display:inline-flex}.source-row p{margin-bottom:0;font-size:14px}.source-row svg{flex:none}.oral-prompt{border-left:3px solid #9db77a;padding-left:20px;line-height:1.65;color:#24462f!important;font-size:21px!important}.package-grid{grid-template-columns:repeat(3,1fr);gap:20px;margin:30px 0;display:grid}.package{background:#f8faf4;border:1px solid #dbe4d5;border-radius:10px;padding:24px}.package h3{margin:17px 0;font-size:19px}.package strong{color:#557244;font-size:14px}.package small{color:#64775a;font-size:12px;line-height:1.6;display:block}.danger{color:#fff;background:#963f30;border-radius:6px;margin-top:5px;padding:14px 17px;font-size:14px}footer>div{flex-wrap:wrap;gap:17px;display:flex}footer button{color:#61735b;text-align:left;background:0 0;padding:0;font-size:12px}footer button:hover{text-decoration:underline}.panel .primary{margin-top:5px}.topic-foot>span{font-size:12px}.topic-foot{gap:10px}.topic-foot .icon-button{flex:none}@media (max-width:1100px){.two-columns,.package-grid{grid-template-columns:1fr}.hero-copy{padding-right:32px}.sidebar .nav-item{padding-left:10px;padding-right:5px;font-size:13px}}@media (max-width:700px){.panel{padding:22px 19px}.panel h2{font-size:22px}.question-text{font-size:21px!important}.question-top{font-size:12px}.question-footer{flex-direction:column;align-items:flex-start}.form-grid{grid-template-columns:1fr;gap:0}.toolbar{flex-direction:column;align-items:stretch}.search-label{max-width:none}.toolbar .secondary{align-self:flex-start}.result-hero{flex-direction:column;align-items:flex-start;gap:20px;padding:24px 20px}.score-ring{border-width:7px;width:105px;height:105px}.score-ring strong{font-size:31px}.result-hero h2{font-size:23px}.review-body{padding-left:0}.resume-banner{flex-direction:column;align-items:flex-start}.resume-banner>span{align-items:flex-start}.topic-progress>div>div{flex-wrap:wrap;gap:7px}.question-actions{gap:10px}.option{padding:14px 12px}.option-letter{display:none}.history-row{gap:10px}.history-row>span:last-child{font-size:13px}.session-meta{gap:12px}.topic-actions{flex-wrap:wrap}footer>div{margin-top:15px}.sidebar .nav-item{padding:10px;font-size:14px}.topic-card:hover{transform:none}}.electrical-lesson{color:#304d3a;border-top:1px solid #dce5d8;margin-top:20px;padding-top:18px;line-height:1.7}.electrical-lesson>details{border-top:1px solid #dce5d8;padding:14px 0}.electrical-lesson summary{cursor:pointer;font-weight:650;line-height:1.5}.electrical-lesson summary:focus-visible{outline-offset:5px;outline:2px solid #456c37}.electrical-lesson p,.electrical-lesson li{font-size:15px;line-height:1.75}.electrical-lesson ol{padding-left:23px}.electrical-lesson li{margin:9px 0}.electrical-lesson h4{margin:18px 0 5px}.lesson-tip{background:#f0f5e9;border-radius:7px;padding:12px}.lesson-solution{border:1px solid #dce5d8;border-radius:7px;padding:12px}.lesson-solution p{margin-bottom:0}.topic-card:has(.electrical-lesson){grid-column:1/-1}.electrical-lesson{overflow-wrap:anywhere;min-width:0;max-width:780px}.circuit-diagram{color:#214832;background:#fff;border:1px solid #dbe4d5;border-radius:10px;max-width:540px;margin:22px 0;padding:14px}.circuit-diagram svg{width:100%;height:auto;display:block}.circuit-diagram figcaption{text-align:center;color:#586d5c;font-size:14px;line-height:1.6}.progress-history{margin-bottom:24px}.progress-history svg{width:100%;max-width:760px;height:auto;margin:24px 0 12px;display:block}.progress-history label{gap:8px;max-width:320px;display:grid}.progress-history select{width:100%}.progress-history summary{cursor:pointer;font-weight:600}.progress-history li{margin:8px 0}.user>div:last-child{min-width:0}.user strong{overflow-wrap:anywhere;display:block}.top-actions form{margin:0}.top-actions .text-button{font-size:14px}@media (max-width:600px){.top-actions{gap:12px}.topbar>span{min-width:0}.top-actions{flex-shrink:0}}.public-site{color:#15372e;background:#f6f8f5;min-height:100vh}.public-header{justify-content:space-between;align-items:center;gap:20px;max-width:1240px;margin:auto;padding:26px 40px;display:flex}.public-header .brand{margin:0}.public-header a{text-decoration:none}.public-content{width:auto;max-width:1160px;margin:0 auto;padding:56px 40px}.public-hero{grid-template-columns:1.3fr 1fr;align-items:center;gap:64px;display:grid}.public-hero h1{letter-spacing:-2px;margin:22px 0;font-size:clamp(36px,4.7vw,64px);line-height:1.12}.public-hero h1 em{color:#4a7155;font-style:normal}.public-hero p{max-width:580px;font-size:18px;line-height:1.7}.public-hero .primary{margin-top:16px;text-decoration:none;display:inline-flex}.public-hero .public-caption{color:#5e6d64;font-size:14px}.public-preview{background:#e9eedf;border:1px solid #dbe3d2;border-radius:22px;padding:36px}.public-preview h2{font-size:27px;line-height:1.3}.public-preview ul{padding-left:22px;line-height:2.2}.public-preview p{font-size:14px}.public-features{border-top:1px solid #dce4dc;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:76px;padding-top:36px;display:grid}.public-features h2{font-size:20px}.public-features p{color:#526259;line-height:1.7}.public-footer{max-width:1160px;margin:32px auto 0;padding:24px 40px}.public-footer nav{flex-wrap:wrap;gap:20px;display:flex}.public-status{min-height:45vh;padding:60px 0}.public-status h1{font-size:32px}.public-content .panel{max-width:800px;margin:auto}.public-content .panel p{line-height:1.8}@media (max-width:700px){.topbar{flex-wrap:wrap;gap:12px;height:auto;min-height:64px;padding:12px 18px;display:flex}.top-actions{margin-left:auto}.topbar>span{font-size:12px}.public-header{padding:20px}.public-header .brand{font-size:21px}.public-header .secondary{padding:10px;font-size:13px}.public-content{padding:30px 22px}.public-hero{grid-template-columns:1fr;gap:30px}.public-hero h1{letter-spacing:-1px}.public-preview{padding:26px}.public-features{grid-template-columns:1fr;gap:22px;margin-top:38px}.public-footer{padding:22px;display:block}.public-footer nav{margin-top:16px}.public-status{padding:30px 0}}.public-header .secondary{flex:none;width:auto;margin:0}.public-header .brand{flex:none}.origin-story{background:#fff;border:1px solid #dce4dc;border-radius:20px;grid-template-columns:1fr 1.25fr;gap:54px;padding:48px;display:grid}.public-content>.origin-story{margin-top:60px}.origin-story :is(h1,h2){letter-spacing:-1px;margin:20px 0;font-size:clamp(28px,3vw,40px);line-height:1.2}.origin-story .origin-lead{color:#526259;font-size:19px;line-height:1.65}.origin-copy p{margin:0 0 20px;line-height:1.85}.origin-copy .origin-principle{border-left:3px solid #a8c464;margin-bottom:0;padding-left:18px;font-weight:600}@media (max-width:700px){.origin-story{grid-template-columns:1fr;gap:16px;padding:26px}.public-content>.origin-story{margin-top:36px}.origin-story :is(h1,h2){letter-spacing:-.5px}}.cube-diagram{justify-content:center;align-items:center;gap:24px;max-width:620px;margin:24px auto;display:flex}.cube-diagram svg{flex-shrink:0;width:260px;max-width:100%}.cube-diagram figcaption{font-size:14px}.cube-diagram dl{grid-template-columns:repeat(3,1fr);gap:10px;margin:12px 0;display:grid}.cube-diagram dl div{background:#f3f6ef;border-radius:8px;padding:8px}.cube-diagram dt{font-size:12px}.cube-diagram dd{margin:0;font-size:19px;font-weight:700}.cube-diagram p{line-height:1.5}@media (max-width:700px){.cube-diagram{flex-direction:column;gap:8px}.cube-diagram figcaption{width:100%;max-width:320px}}.numeric-hint,.numeric-preview,.numeric-error{margin:8px 0;font-size:14px;line-height:1.6}.numeric-hint{color:#526259}.numeric-error{color:#8c3028}.numeric-answer input[aria-invalid=true]{border-color:#a74639;outline-color:#a74639}.numeric-preview{min-height:1.6em;font-weight:600}.public-auth-status{color:#526259;text-align:right;font-size:13px}.public-connection-notice{background:#edf2e5;border:1px solid #d8dfcf;border-radius:12px;align-items:center;gap:20px;margin-bottom:32px;padding:18px 24px;display:flex}.public-connection-notice p{margin:0;line-height:1.6}.public-connection-notice .secondary{flex:none;width:auto;margin:0}.public-hero .public-entry-pending{color:#526259;align-items:center;min-height:44px;margin-top:16px;font-size:15px;display:flex}@media (max-width:700px){.public-auth-status{max-width:115px}.public-connection-notice{flex-direction:column;align-items:flex-start;padding:18px}}.oral-review{border-top:1px solid #dce5d8;margin-top:24px;padding-top:18px}.oral-review summary{cursor:pointer;padding:8px 0;font-weight:650;line-height:1.5}.oral-review summary:focus-visible{outline-offset:5px;outline:2px solid #456c37}.result-mark.unanswered{color:#53675a;background:#eef1ec}footer a{color:#61735b;text-underline-offset:3px;font-size:12px}footer a[aria-current=page]{font-weight:700}
.memory-panel{background:#f4f7ee;border:1px solid #d5e0cb;border-radius:12px;padding:24px}.memory-stimulus{color:#294b31;letter-spacing:.5px;white-space:pre-wrap;margin:22px 0 0;font-family:inherit;font-size:25px;font-weight:600;line-height:2}.memory-panel p{margin-top:0}.attention-stimulus{white-space:pre-wrap;overflow-wrap:anywhere;background:#f4f7ee;border-radius:8px;max-width:100%;padding:12px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:1rem;line-height:1.7}