@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--ink:#172e2b;--muted:#667571;--paper:#f5f6f2;--line:#dfe5dd;--lime:#d1ed8c;--green:#305d4b;--white:#fff;--bad:#9d402b;font-family:'DM Sans',Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select,summary{ -webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}button{border:0}button:disabled{cursor:not-allowed;opacity:.5}a{color:var(--green);text-underline-offset:4px}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #6b932c;outline-offset:4px}h1,h2,h3,.brand,.big-number,.score{font-family:'Manrope',Arial,sans-serif}h1{font-size:clamp(25px,2.8vw,38px);letter-spacing:-1.4px;line-height:1.23;margin:12px 0}h2{font-size:23px;letter-spacing:-.6px;line-height:1.4}h3{font-size:16px;line-height:1.5}p{line-height:1.7;margin:10px 0 18px}small{font-size:12px;line-height:1.6}ul,ol{padding-left:22px;line-height:1.9}li{margin-bottom:8px}input[type=checkbox]{accent-color:var(--green);width:20px;height:20px;flex:0 0 20px}select,input[type=date],input[type=number],input[type=search]{border:1px solid #c9d4cd;border-radius:8px;padding:12px;background:#fff;color:var(--ink);min-height:44px}label{display:block;font-size:14px;font-weight:500;margin-bottom:9px}label+select{width:100%;margin-bottom:24px}label input{display:block;margin-top:8px}select{max-width:100%}.sidebar{position:fixed;inset:0 auto 0 0;width:244px;background:#132827;color:#d9e4dc;padding:34px 20px;display:flex;flex-direction:column;z-index:10}.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-size:27px;font-weight:800;padding:0 8px;letter-spacing:1px}.brand img{width:42px;height:42px}.brand-sub{font-family:'DM Sans',Arial,sans-serif;display:block;font-size:8px;letter-spacing:2px;font-weight:500;margin-top:2px}.side-caption{font-size:9px;letter-spacing:2px;color:#91a69b;margin:44px 14px 18px}.nav-item{display:flex;align-items:center;gap:13px;text-align:left;color:#b9ccc1;background:none;width:100%;padding:14px;border-radius:8px;font-size:13px;margin:4px 0}.nav-item>span{font-size:20px;width:22px;text-align:center}.nav-item:hover{background:#263f38}.nav-item.active{background:var(--lime);color:#213925;font-weight:700}.sidebar-bottom{margin-top:auto;padding:26px 14px 0;color:#96ada2}.sidebar-bottom p{font-size:20px;font-family:Manrope,sans-serif;line-height:1.6;color:#e6eadf}.beta{display:inline-block;font-size:9px;font-weight:700;letter-spacing:2px;padding:6px 9px;border:1px solid #47604d;border-radius:5px;color:#d1ed8c}.workspace{margin-left:244px}.topbar{height:82px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 42px}.breadcrumb{font-size:10px;letter-spacing:1.6px;font-weight:600;color:#52635b}.breadcrumb>span{margin:0 13px;color:#94a097}.top-right{display:flex;align-items:center;gap:18px}.top-right select{font-size:12px;border:0;background:transparent}.avatar{width:32px;height:32px;border-radius:50%;background:#e1e8db;display:grid;place-items:center;font-size:12px;font-weight:700}main{max-width:1450px;margin:auto;padding:36px 42px 20px}.page-head{margin-bottom:27px}.eyebrow{font-size:10px;letter-spacing:1.8px;font-weight:700;color:var(--green)}.page-head>p{font-size:14px;color:var(--muted);margin-bottom:0}.hero{background:#193b32;border-radius:16px;color:#fff;display:flex;overflow:hidden;position:relative;min-height:315px;margin-bottom:28px}.hero-copy{padding:35px 38px;position:relative;z-index:1;flex:1}.hero-tag{font-size:9px;letter-spacing:1.4px;color:#d1ed8c}.hero h2{font-size:clamp(28px,3vw,42px);line-height:1.22;letter-spacing:-1.4px;margin:19px 0 15px}.hero p{font-size:13px;color:#c4d2c3;max-width:420px;line-height:1.7}.hero-foot{font-size:10px;letter-spacing:.6px;color:#b0c5b0;margin-top:24px}.hero-foot span{margin:0 12px}.actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.primary,.secondary,.ghost,.file-label{padding:13px 20px;border-radius:8px;font-size:13px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:25px;min-height:46px}.primary{background:var(--lime);color:#203521}.primary:hover{background:#bedc72}.secondary{background:#fff;color:var(--ink);border:1px solid #cad5ca}.secondary:hover{background:#eef2e9}.ghost{background:transparent;color:#e0eadb;border:1px solid #577260}.text-button{background:none;color:var(--green);padding:12px 4px;font-size:13px;font-weight:600}.full{width:100%;margin-top:14px}.circuit-art{align-self:center;width:32%;min-width:210px;padding:20px 30px 20px 0;color:#bad494;opacity:.85}.circuit-art svg{width:100%;height:auto}.circuit-art text{font-size:9px;fill:currentColor;stroke:none;font-family:monospace;letter-spacing:1px}.circuit-art text:nth-of-type(2){font-size:16px}.art-label{display:block;text-align:center;font-size:7px;letter-spacing:2px;color:#c4d4b7;margin-top:-10px}.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;border-radius:12px;margin:26px 0 36px}.stats>div{padding:21px 24px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:8px}.stats>div:last-child{border:0}.stats small{font-size:9px;letter-spacing:1px;color:var(--muted);font-weight:600}.stats strong{font-family:Manrope,sans-serif;font-size:31px;letter-spacing:-1px}.stats strong span{font-size:14px;font-weight:500;color:#86917e;letter-spacing:0}.stats a,.stats div>span{font-size:11px;color:var(--muted)}.section-title{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:30px 0 17px}.section-title h2{font-size:20px;margin:0}.section-title>span,.section-title>a{font-size:11px;color:var(--muted)}.topics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.topic-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:21px;text-align:left;color:var(--ink);transition:transform .15s,border-color .15s}.topic-card:hover{transform:translateY(-2px);border-color:#9db786}.topic-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.topic-top>span:last-child{font-size:10px;color:var(--muted)}.topic-icon{font-family:Arial,sans-serif;font-size:22px;background:#eef3e4;width:40px;height:40px;border-radius:10px;display:inline-grid;place-items:center;color:#526d3e}.topic-card h3{margin:18px 0 16px;min-height:48px}.track,.weight-track{height:4px;border-radius:9px;background:#edf0e8;overflow:hidden}.track i,.weight-track i{display:block;height:100%;background:#90b86a}.topic-card small{margin-top:12px;display:block;color:#71816d;font-size:10px}.topic-card small span{float:right}.panel{padding:28px;background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:22px}.panel>h2:first-child,.panel>h3:first-child{margin-top:0}.panel p{font-size:14px;color:#5b6c62}.panel small{color:var(--muted)}.split{display:grid;grid-template-columns:1.25fr 1fr;gap:22px}.tinted{background:#edf2e3}.big-number{font-size:70px;line-height:1.4}.notice{background:#edf3df;border:1px solid #d5e4bb;border-radius:10px;padding:18px 22px;font-size:13px;line-height:1.7;margin:22px 0}.notice p{font-size:12px;margin:3px 0}.notice.subtle{background:transparent;border-color:var(--line);color:var(--muted)}.row{display:flex;align-items:center;justify-content:space-between;gap:20px}.muted{color:var(--muted);font-size:13px}.exam-intro{display:flex;gap:35px;padding:36px}.exam-intro>div:first-child{flex:1}.exam-intro li{font-size:14px}.exam-clock{font-family:Manrope,sans-serif;align-self:center;font-size:68px;font-weight:800;letter-spacing:-5px;color:#244c3e;padding:35px 25px;background:#eff3e5;border-radius:50%;width:240px;height:240px;display:flex;justify-content:center;align-items:center;position:relative;flex-shrink:0}.exam-clock>span{color:#90a16a}.exam-clock small{position:absolute;bottom:57px;font:9px 'DM Sans',sans-serif;letter-spacing:1.7px}.weight-row{display:flex;align-items:center;gap:18px;padding:12px 0;border-bottom:1px solid #edf0e9;font-size:13px}.weight-row>span{flex:1;min-width:180px}.weight-track{flex:1;max-width:210px;height:6px}.weight-row strong{width:45px;text-align:right;font-size:12px}.weight-row small{width:34px;text-align:right}.book-list{border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden;margin-bottom:24px}.book-row{display:flex;align-items:center;gap:16px;padding:19px 22px;margin:0;border-bottom:1px solid var(--line);cursor:pointer}.book-row:last-child{border:0}.book-row:hover{background:#f7f9f2}.book-row input{margin:0}.book-code{font-size:10px;font-weight:700;color:#677a58;min-width:37px}.book-info{flex:1}.book-info strong{font-size:13px;display:block;line-height:1.5}.book-info small{display:block;font-size:11px;color:var(--muted);margin-top:3px}.future{display:block;color:#879077;font-size:10px}.owned{font-size:10px;color:#3a6341;background:#e9f2de;padding:5px 8px;border-radius:5px}.wrap{overflow-wrap:anywhere}.date-panel{display:flex;align-items:center;justify-content:space-between;gap:20px}.date-panel h2{margin:0}.date-panel p{margin-bottom:0}.timeline{border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden;margin:24px 0}.timeline article{display:flex;gap:24px;padding:23px 28px;border-bottom:1px solid var(--line)}.timeline article:last-child{border:0}.step{width:40px;height:40px;background:#edf3df;display:grid;place-items:center;border-radius:50%;font-size:12px;font-weight:700;flex-shrink:0}.timeline h3{margin:0}.timeline p{font-size:13px;color:var(--muted);margin:7px 0 0}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:10px 0 20px}.form-grid input{width:100%}output{display:block;font-family:monospace;font-size:22px;margin-top:24px;overflow-wrap:anywhere}.glossary{display:grid;grid-template-columns:1fr 1fr;gap:0 28px}.glossary>div{padding:14px 0;border-bottom:1px solid var(--line);font-size:13px}.glossary strong,.glossary span{display:block}.glossary span{color:var(--muted);margin-top:6px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px;text-align:left}th,td{padding:15px;border-bottom:1px solid var(--line)}th{font-size:11px;color:var(--muted);background:#f7f9f4;font-weight:600}details>summary{font-weight:600;line-height:1.6}details p{font-size:14px}.empty{padding:55px;text-align:center;color:var(--muted)}.file-label{border:1px solid #cad5ca;background:#fff;cursor:pointer;margin:0;position:relative;overflow:hidden}.file-label input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%}.quiz-top{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:23px}.quiz-top h1{font-size:26px;margin-bottom:0}.quiz-top h1 span{color:#97a38e;font-weight:400}.timer{font:700 21px monospace;padding:12px 18px;background:#e6edda;border-radius:8px;white-space:nowrap}.timer.urgent{background:#fce6dc;color:var(--bad)}.pill{border:1px solid var(--line);padding:8px 13px;border-radius:20px;font-size:11px}.quiz-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:22px;align-items:start}.question{padding:28px 32px;min-height:440px}.question-label{display:flex;align-items:center;justify-content:space-between;gap:10px}.question-label>span{font-size:9px;letter-spacing:1.5px;color:#76876d}.question h2{font-size:22px;font-weight:600;line-height:1.6;margin:22px 0 28px;letter-spacing:-.4px}.translation{display:block;font-weight:400;color:#6a766e;font-size:.84em;margin-top:9px;line-height:1.6}.answers{display:grid;gap:12px}.answer{display:flex;text-align:left;align-items:center;gap:16px;padding:16px;border:1px solid #dce3d7;border-radius:9px;background:#fff;color:var(--ink);font-size:14px;line-height:1.55;min-height:64px}.answer:hover:not(:disabled){border-color:#8aa66b;background:#fafcf5}.answer.selected{background:#f0f6e3;border-color:#88a860}.letter{background:#f1f4ec;border:1px solid #dfe6d7;border-radius:7px;width:32px;height:32px;display:grid;place-items:center;flex:0 0 32px;font-size:12px}.answer.selected .letter{background:#284d3e;color:#fff;border-color:#284d3e}.answer.correct{border-color:#75a866;background:#edf6e8}.answer.incorrect{border-color:#d79784;background:#fff2ed}.answer:disabled{opacity:1;cursor:default}.answer-mark{margin-left:auto;color:#3f7836}.question-actions{display:flex;justify-content:space-between;gap:15px;margin-top:29px}.explanation{padding:18px 20px;margin-top:22px;background:#eff4e9;border-radius:8px;border-left:3px solid #92ac74}.explanation p{font-size:14px;line-height:1.8;margin:8px 0 12px;color:var(--ink)}.explanation.bad{background:#fff5ee;border-color:#d89b72}.question-nav{padding:20px}.question-nav h3{margin:0}.question-nav p{font-size:11px;margin:8px 0 17px}.question-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin-bottom:15px;max-height:410px;overflow-y:auto;padding:4px}.question-grid button{position:relative;background:#f0f3eb;border:1px solid transparent;border-radius:5px;color:var(--muted);height:31px;font-size:11px}.question-grid .answered{background:#dfeccf;color:#305c31}.question-grid .current{border:2px solid #284e3d;color:#203c29}.question-grid .flagged:after{content:'';position:absolute;right:1px;top:1px;width:5px;height:5px;border-radius:50%;background:#ba7208}.result-summary{display:flex;align-items:center;gap:35px}.result-summary h2{margin:0}.result-summary p{margin:7px 0}.result-summary>button{margin-left:auto}.score{font-size:72px;letter-spacing:-4px;font-weight:800}.score span{font-size:24px;letter-spacing:0}.review-item{padding:20px 24px}.review-item summary{display:flex;gap:15px;font-size:14px}.status-dot{display:grid;place-items:center;border-radius:50%;width:25px;height:25px;flex:0 0 25px;font-size:14px;background:#e5efd8;color:#386437}.status-dot.bad{background:#f7e6df;color:#994a33}footer{padding:30px 42px;color:#879180;font-size:10px;line-height:1.9;border-top:1px solid var(--line);margin-top:30px}dialog{max-width:500px;width:calc(100% - 40px);border:1px solid var(--line);border-radius:14px;padding:30px;color:var(--ink);box-shadow:0 20px 80px #14231f44}dialog::backdrop{background:#172d2966;backdrop-filter:blur(3px)}dialog h2{margin-top:0}dialog p{font-size:14px}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%) translateY(100px);opacity:0;z-index:100;background:#193b32;color:#fff;padding:15px 24px;border-radius:10px;font-size:13px;transition:.2s;max-width:90vw}#toast.show{transform:translateX(-50%);opacity:1}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:fixed;left:10px;top:-100px;z-index:100;background:#fff;padding:12px}.skip:focus{top:10px}
@media(min-width:1500px){.hero-copy{padding:42px 45px}.hero{min-height:355px}.hero h2{font-size:45px}.circuit-art{width:31%}}
@media(max-width:1150px){.sidebar{width:210px;padding:28px 14px}.workspace{margin-left:210px}main{padding:30px 25px}.topbar{padding:0 25px}.hero-copy{padding:28px}.hero h2{font-size:33px}.circuit-art{min-width:165px;padding-right:15px}.stats>div{padding:18px 15px}.quiz-layout{grid-template-columns:minmax(0,1fr) 190px}.question{padding:24px}.question-grid{grid-template-columns:repeat(4,1fr)}.exam-clock{width:170px;height:170px;font-size:50px}.exam-clock small{font-size:7px;bottom:36px}.exam-intro{padding:25px;gap:18px}.topics{gap:12px}.topic-card{padding:16px}.topic-card h3{font-size:14px}}
@media(max-width:860px){.sidebar{position:static;width:100%;padding:16px 20px 0;display:block}.brand{font-size:22px;padding:0}.brand img{width:36px;height:36px}.brand-sub{font-size:7px}.side-caption,.sidebar-bottom{display:none}.sidebar nav{display:flex;overflow-x:auto;gap:4px;margin-top:12px;padding-bottom:10px}.nav-item{width:auto;white-space:nowrap;padding:11px 12px;font-size:12px;margin:0;gap:6px}.nav-item>span{font-size:16px}.workspace{margin-left:0}.topbar{height:62px}.breadcrumb{font-size:8px;letter-spacing:1px}.avatar{display:none}main{padding:26px 22px}.hero h2{font-size:34px}.stats{margin-bottom:28px}.quiz-layout{grid-template-columns:1fr}.question-nav{order:2}.question-grid{grid-template-columns:repeat(10,1fr);max-height:220px}.question-nav .full{width:auto;margin-right:14px}.question-nav small{display:block}.split{gap:16px}.panel{padding:23px}}
@media(max-width:580px){main{padding:23px 16px}.topbar{padding:0 16px}.breadcrumb{font-size:7px;max-width:190px;line-height:1.8}.breadcrumb>span{margin:0 4px}.top-right select{padding:8px 5px;font-size:11px}.page-head{margin-bottom:22px}h1{font-size:27px;letter-spacing:-1px}.page-head>p{font-size:13px}.hero{border-radius:12px}.hero-copy{padding:27px 24px}.hero h2{font-size:32px}.hero-tag{font-size:7px}.circuit-art{display:none}.hero p{font-size:12px}.hero .actions{gap:10px}.hero .primary,.hero .ghost{font-size:12px;padding:12px 14px;gap:14px}.hero-foot{font-size:8px}.stats{grid-template-columns:1fr 1fr}.stats>div{padding:18px}.stats>div:nth-child(2){border-right:0}.stats>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.stats strong{font-size:29px}.stats small{font-size:8px}.stats div>span,.stats a{font-size:10px}.section-title{align-items:flex-start;flex-wrap:wrap;gap:8px}.section-title h2{font-size:18px}.topics{grid-template-columns:1fr 1fr;gap:10px}.topic-card{padding:15px 12px}.topic-card h3{font-size:12px;min-height:40px;margin-top:12px}.topic-top>span:last-child{font-size:8px}.topic-icon{width:33px;height:33px;font-size:19px}.topic-card small{font-size:8px}.split{grid-template-columns:1fr;gap:0}.panel{padding:21px}.panel h2{font-size:20px}.panel p{font-size:13px}.row{flex-direction:column;align-items:flex-start}.notice{padding:16px;font-size:12px}.exam-intro{display:block}.exam-clock{display:none}.exam-intro li{font-size:12px}.exam-intro .primary{width:100%;padding:13px 9px;font-size:12px}.weight-row{gap:10px;font-size:11px}.weight-row>span{min-width:150px}.weight-track{max-width:100px}.weight-row strong{font-size:10px;width:32px}.weight-row small{font-size:9px}.book-row{padding:16px 12px;gap:10px}.book-code{display:none}.book-info strong{font-size:12px}.book-info small{font-size:10px}.owned{display:none}.date-panel{display:block}.date-panel label{margin-top:20px}.timeline article{padding:22px 18px;gap:16px}.timeline h3{font-size:14px}.timeline p{font-size:12px}.glossary{grid-template-columns:1fr}.form-grid{gap:14px}.form-grid label{font-size:12px}.quiz-top h1{font-size:23px}.quiz-top .eyebrow{font-size:8px;letter-spacing:1px}.timer{font-size:16px;padding:10px}.question{padding:20px 17px}.question h2{font-size:19px}.answer{font-size:13px;padding:12px;gap:12px}.question-label>span{font-size:8px;letter-spacing:1px}.question-label .text-button{font-size:11px}.question-actions .primary,.question-actions .secondary{padding:12px;font-size:11px}.question-grid{grid-template-columns:repeat(7,1fr)}.result-summary{flex-wrap:wrap;gap:20px}.result-summary>button{margin-left:0}.score{font-size:57px}.review-item{padding:18px 14px}.review-item summary{font-size:12px}.review-item .translation{font-size:11px}footer{padding:25px 18px;font-size:9px}.form-grid input{padding:10px;min-width:0}}
.study-reference{border:1px solid #cedbc5;border-radius:9px;padding:18px 20px;margin:18px 0;background:#f8faf3}.study-reference h3{margin:10px 0}.study-reference .translation{margin-top:5px}.study-reference .eyebrow .translation{font-size:10px}.study-reference small{display:block;line-height:1.8}.review-item .notice{margin:16px 0}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

#reference-search{display:block;width:100%;margin-top:10px} [data-reference-search][hidden]{display:none}

.exam-forms{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.exam-forms .panel{display:flex;flex-direction:column}.exam-forms .primary{margin-top:auto}.form-stats{display:flex;justify-content:space-between;gap:12px}.form-stats dt{font-size:12px;color:var(--muted)}.form-stats dd{margin:5px 0 0;font-size:25px;font-weight:700}@media(max-width:1000px){.exam-forms{grid-template-columns:1fr}}

.account-entry{max-width:620px;margin:12vh auto;padding:36px}.account-indicator{max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;background:transparent;border:1px solid #ccd6d2;padding:8px 12px;border-radius:20px}.account-entry a{display:inline-block;margin:8px 0}#cloud-notice[hidden]{display:none}@media(max-width:640px){.account-entry{margin:30px 16px}.account-indicator{max-width:150px}.breadcrumb{display:none}}
