@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&display=swap');
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var(--line);border-radius:5px;background:var(--white)}table{border-collapse:collapse;width:100%;text-align:left;font-size:10px}thead{position:sticky;top:0;background:var(--pale);z-index:1}th{font-weight:500;color:var(--muted);padding:13px 16px;white-space:nowrap}td{padding:13px 16px;border-bottom:1px solid var(--pale);vertical-align:top}td:first-child{font-size:11px;min-width:200px;max-width:270px}td small{display:block;color:var(--muted);font-size:9px;margin-top:3px}td:nth-child(2),td:nth-child(3){white-space:nowrap;color:var(--muted)}td:last-child{font-size:9px;color:var(--muted);min-width:190px;line-height:1.9}.closing{border-top:1px solid var(--line);display:flex;align-items:center;gap:20px;padding:35px 0 40px}.closing-symbol{font-family:Georgia,serif;font-size:55px;color:var(--muted);line-height:1}.closing h2{font-size:19px;margin:0 0 5px}.closing p{font-size:10px;color:var(--muted);margin:0}.closing>a{margin-left:auto;font-size:10px;border-bottom:1px solid var(--line);padding-bottom:4px}footer{padding:25px 5.2%;border-top:1px solid var(--line);display:flex;align-items:center;gap:25px;color:var(--muted);font-size:9px}.footer-brand{font-family:Georgia,serif;font-size:20px;color:var(--green)}.footer-brand span{font:9px sans-serif;margin-left:8px}footer>span{margin-left:auto}footer>button{background:none;border:0;color:var(--muted);font-size:9px;padding:0}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(100px);padding:12px 20px;background:var(--ink);color:var(--white);border-radius:6px;font-size:12px;opacity:0;transition:all .25s;z-index:20;max-width:90vw}#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
@media(min-width:1600px){main{padding:0 60px}.topbar,footer{padding-left:max(5.2%,calc((100vw - 1320px)/2));padding-right:max(5.2%,calc((100vw - 1320px)/2))}}@media(max-width:1000px){.workspace{grid-template-columns:225px 1fr;gap:22px}.controls{padding:22px 18px}.hero{gap:28px}.orbit-card{height:300px}.orbit-ring{transform:scale(.85) rotate(-24deg)}.ring-two{transform:scale(.85) rotate(36deg)}.ring-three{transform:scale(.85) rotate(-24deg)}.topic-title{font-size:13px}.topic-main{padding:15px 13px;gap:10px}.topic-details{padding-left:52px}.topic-actions{gap:7px}.evidence-grid{gap:15px}.backtest-card,.findings-card{padding:23px}.topbar nav{gap:22px}.data-strip{flex-wrap:wrap}.data-strip a{display:none}.filter-search input{width:160px}}
@media(max-width:720px){.topbar{height:73px;padding:0 5%;gap:10px}.brand{font-size:22px}.brandmark{font-size:32px}.brandcn{font-size:9px}.topbar nav{gap:16px;font-size:11px}.experiment{display:none}main{padding:0 5%}.hero{grid-template-columns:1fr;gap:30px;padding:40px 0 30px}.hero-copy{max-width:500px}h1{font-size:37px;margin:20px 0}.hero-copy>p{font-size:13px}.hero-bottom{margin-top:20px}.orbit-card{height:230px}.orbit-ring{transform:scale(.75) rotate(-24deg)}.ring-two{transform:scale(.75) rotate(36deg)}.ring-three{transform:scale(.75) rotate(-24deg)}.orbit-core{font-size:45px}.label-one{left:12%;top:19%}.label-two{right:10%;top:46%}.label-three{left:15%;bottom:16%}.orbit-small{font-size:6px}.data-strip{gap:5px;font-size:8px;padding:14px 0}.data-strip strong{font-size:10px}.strip-rule{margin:0 5px}.data-strip>span:first-child{flex-basis:100%;margin-bottom:5px}.workspace{grid-template-columns:1fr;gap:30px;margin-top:30px}.controls{position:static;padding:22px}.controls h2{margin-bottom:16px}.controls form{display:grid;grid-template-columns:1fr 1fr;gap:9px 15px}.controls form>label{margin:0;align-self:end}.controls form>label[for=exam-date]{grid-column:1;grid-row:1}.controls input[type=date]{grid-column:1;grid-row:2}.controls form>label[for=model]{grid-column:2;grid-row:1}.controls select{grid-column:2;grid-row:2}.controls form>label[for=list-size]{grid-column:1;grid-row:3;margin-top:7px}.size-switch{grid-column:1;grid-row:4}.generate{grid-column:2;grid-row:4;margin:0}.controls-note{margin-top:15px}.mini-stats{display:none}.result-heading h2{font-size:22px}.result-toolbar{margin-top:15px}.notice{margin-top:17px}.topic-main{padding:17px 14px;gap:12px}.topic-title{font-size:14px}.rank{font-size:23px}.topic-meta{gap:7px;font-size:9px}.topic-details{padding-left:55px}.filter-search input{width:180px}.hide-mastered{font-size:9px}.evidence{margin-top:50px;padding-top:28px}.section-heading{align-items:flex-start;flex-direction:column;gap:0;margin-bottom:20px}.section-heading h2{font-size:26px;margin-bottom:7px}.section-heading>p{margin:0;font-size:10px}.section-heading>p br{display:none}.evidence-grid{grid-template-columns:1fr;gap:16px}.backtest-card{padding:23px}.findings-card{padding:25px}.findings-card h3{font-size:21px}.finding-number{font-size:58px}.findings-card p{max-width:none}.finding-bottom{margin-top:15px}.method-columns{grid-template-columns:1fr;gap:15px}.library{margin:45px 0 35px}.closing{gap:12px}.closing-symbol{font-size:40px}.closing h2{font-size:15px}.closing p{font-size:9px}.closing>a{font-size:8px;white-space:nowrap}footer{flex-wrap:wrap;gap:14px;padding:20px 5%}.footer-brand{font-size:20px}footer>span{order:3;flex-basis:100%;margin:0;font-size:8px}footer>button{margin-left:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Interactive record layout */
.topic-main{display:flex;align-items:center;gap:14px;padding:18px 20px}.topic-info{min-width:0;flex:1}.topic-title{font-size:15px;margin:0 0 5px;overflow-wrap:anywhere}.topic-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:11px;color:var(--muted)}.topic-actions{flex-shrink:0}.mastered-button{width:auto;height:auto;min-height:32px;border-radius:5px;padding:5px 9px;white-space:nowrap}.topic-details{padding:0 20px 0 63px;font-size:11px}.topic-details summary{cursor:pointer;margin-bottom:12px;color:var(--muted)}.date-chip{background:var(--pale);border:1px solid var(--line);padding:2px 7px;border-radius:3px;font-size:10px;white-space:nowrap}td:first-child>span{display:block;font-size:10px;color:var(--muted)}#toast.visible{opacity:1;transform:translateX(-50%) translateY(0)}[hidden]{display:none!important}@media(max-width:500px){.topic-main{padding:15px 12px;gap:9px;align-items:flex-start}.topic-title{font-size:13px}.topic-details{padding-left:48px;padding-right:12px}.mastered-button{font-size:10px;padding:4px 6px}.topic-meta{gap:5px;font-size:10px}}
.mastered-button{width:auto;height:auto;min-height:30px;border-radius:5px;padding:4px 8px;white-space:nowrap}#toast.visible{opacity:1;transform:translateX(-50%) translateY(0)}[hidden]{display:none!important}
.calendar-note,.calendar-source{font-size:10px;line-height:1.8;color:var(--muted);margin:8px 0}.calendar-source a{display:inline-block;color:var(--green);text-decoration:underline}.advanced-settings{border-top:1px solid var(--line);margin-top:20px;padding-top:14px}.advanced-settings>summary{font-size:11px;color:var(--muted);cursor:pointer;margin-bottom:12px}.controls select#exam-date{font-size:13px;background:var(--pale);border-color:var(--muted)}
.exam-comparison{border-left:3px solid var(--green);background:var(--pale);padding:12px 15px;font-size:11px;line-height:1.9;color:var(--muted)}.bar-row{grid-template-columns:130px 1fr 45px}
/* Task selector and Interview practice */
.task-switch{max-width:1240px;margin:20px auto 0;padding:0 28px;display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px}.task-switch span{margin-right:5px}.task-switch button{border:1px solid var(--line);background:var(--white);color:var(--ink);border-radius:999px;padding:9px 15px;font:inherit;cursor:pointer}.task-switch button.selected{background:var(--ink);color:var(--white);border-color:var(--ink)}.interview-app{max-width:1240px;margin:38px auto 90px;padding:0 28px}.interview-intro{max-width:780px;margin:0 auto 34px;text-align:center}.interview-intro h1{font-size:clamp(30px,4vw,48px);line-height:1.15;margin:14px 0;color:var(--ink)}.interview-intro>p{font-size:16px;line-height:1.8;color:var(--muted)}.interview-callout{margin:18px auto 0;border:1px solid var(--line);border-radius:13px;background:var(--pale);color:var(--muted);padding:14px 18px;font-size:13px;line-height:1.65;text-align:left}.interview-workspace{display:grid;grid-template-columns:minmax(230px,290px) minmax(0,1fr);gap:32px;align-items:start}.interview-controls{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:24px;position:sticky;top:20px;display:grid;gap:12px}.interview-controls label{font-size:13px;font-weight:650;color:var(--ink)}.interview-controls select{height:44px;border:1px solid var(--line);border-radius:8px;background:white;padding:0 12px;font:inherit;color:var(--ink)}.interview-scope{font-size:12px;line-height:1.65;color:var(--muted);border-top:1px solid var(--pale);padding-top:12px;margin:4px 0 0}.interview-results{min-width:0}.interview-results .result-heading{margin-bottom:15px}.interview-results .result-heading h2{margin:6px 0;font-size:25px;color:var(--ink)}.interview-results .result-heading p{margin:0;color:var(--muted);font-size:13px}.interview-results>.filter-search{margin:16px 0}.interview-cards{display:grid;gap:17px}.interview-card{background:var(--white);border:1px solid var(--line);border-radius:15px;padding:20px 22px;box-shadow:0 6px 22px color-mix(in srgb,var(--ink) 6%,transparent)}.interview-card-head{display:flex;gap:14px;align-items:flex-start}.interview-card-head h3{margin:0 0 6px;font-size:19px;color:var(--ink)}.interview-card-head p{margin:0;color:var(--muted);font-size:12px;line-height:1.6}.interview-dates{margin:13px 0 16px;padding:10px 0;border-top:1px solid var(--pale);border-bottom:1px solid var(--pale);color:var(--muted);font-size:12px}.interview-dates summary,.answer-steps summary{cursor:pointer;color:var(--muted)}.interview-dates .dates{margin:10px 0;display:flex;gap:6px;flex-wrap:wrap}.interview-dates>p{margin:8px 0 0}.interview-questions{display:grid;gap:13px}.interview-question{display:grid;grid-template-columns:38px minmax(0,1fr);gap:10px}.question-number{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--pale);color:var(--green);font-weight:700;font-size:12px}.interview-option{padding:14px 16px;margin:0 0 9px;border-radius:10px;background:var(--pale)}.interview-prompt{font-size:14px;line-height:1.6;color:var(--ink);margin:0 0 12px}.option-tag{font-size:11px;color:#7a6a35}.answer-label{font-size:11px;font-weight:700;letter-spacing:.03em;color:var(--green);margin-bottom:5px}.model-answer{font-size:13px;line-height:1.75;color:var(--muted);margin:0}.answer-steps{margin-top:9px;font-size:12px;color:var(--muted)}.answer-steps ol{padding-left:19px;line-height:1.7}.answer-steps p{color:var(--muted);font-size:11px}.interview-results .empty{margin-top:20px;padding:25px;background:var(--pale);border-radius:12px}
.interview-evaluation{margin:16px auto 0!important;padding:10px 14px;border-left:3px solid var(--muted);background:var(--pale);border-radius:4px;color:var(--muted)!important;font-size:12px!important;text-align:left;line-height:1.65!important}
body[data-task="interview"] .topbar nav,body[data-task="interview"] .hero,body[data-task="interview"] .data-strip,body[data-task="interview"] #predictor,body[data-task="interview"] #practice,body[data-task="interview"] #evidence,body[data-task="interview"] #library,body[data-task="interview"] .closing{display:none}
@media(max-width:760px){.task-switch{padding:0 18px;flex-wrap:wrap}.interview-app{padding:0 16px;margin-top:26px}.interview-workspace{grid-template-columns:1fr;gap:20px}.interview-controls{position:static;grid-template-columns:1fr 1fr;padding:18px}.interview-controls label:nth-of-type(1),.interview-controls label:nth-of-type(2),.interview-controls .interview-scope{grid-column:1/-1}.interview-controls select:nth-of-type(2){grid-column:1/-1}.interview-card{padding:16px}.interview-question{grid-template-columns:30px minmax(0,1fr);gap:7px}.interview-option{padding:12px}}

.interview-view-switch{margin:14px 0 8px;justify-content:flex-start}.interview-view-switch button{font:inherit}

/* Writing task requirements and source-checked discussion viewpoints */
.writing-points,.writing-viewpoints{margin-top:15px;display:grid;gap:9px}
.writing-points{padding:13px 16px;background:var(--pale);border-left:3px solid var(--green);border-radius:4px}
.writing-points>strong{font-size:12px;color:var(--green)}
.writing-points ol{margin:2px 0 0;padding-left:22px;display:grid;gap:6px;color:var(--ink);font-size:13px;line-height:1.7}
.writing-viewpoints{grid-template-columns:repeat(2,minmax(0,1fr))}
.viewpoints-label{grid-column:1/-1;color:var(--muted);font-size:12px;letter-spacing:.02em}
.writing-viewpoint{padding:13px 15px;background:var(--pale);border:1px solid var(--line);border-radius:5px}
.writing-viewpoint strong{display:block;margin-bottom:5px;color:var(--green);font-size:12px}
.writing-viewpoint p{font-size:13px;line-height:1.7;color:var(--ink)}
@media(max-width:650px){.writing-viewpoints{grid-template-columns:1fr}}