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@media(min-width:1500px){main{padding-top:52px}.sidebar{padding-top:36px}.home-grid{grid-template-columns:1.8fr 1fr}.hero{min-height:310px}}
@media(max-width:1150px){.app-shell{grid-template-columns:215px minmax(0,1fr)}.sidebar{padding-left:13px;padding-right:13px}.topbar{padding:0 30px}main{padding:32px 30px}.page-footer{padding:20px 30px}.hero-flask{right:-17px;opacity:.26}.hero h2{font-size:28px}.feature{padding:20px}.feature-grid{gap:12px}.auth-layout{gap:30px}.auth-story h1{font-size:36px}.home-grid{gap:16px;grid-template-columns:minmax(0,1.55fr) minmax(215px,1fr)}.hero{padding:27px}.date-label{display:none}}
@media(max-width:900px){.home-grid{grid-template-columns:1fr}.session-panel{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center}.session-panel .session-icon{margin:0}.session-panel h3{font-size:16px}.session-panel .panel-top{display:none}.feature-grid{grid-template-columns:1fr}.feature{display:grid;grid-template-columns:auto 1fr auto;gap:15px;align-items:center}.feature .feature-head{margin:0}.feature .feature-head .pill{display:none}.feature p{margin:7px 0 0}.feature h3{margin:0}.feature .text-link{margin:0}.builder-layout{grid-template-columns:1fr}.builder-summary{position:static}.auth-layout{grid-template-columns:1fr;max-width:460px;gap:15px;margin:0 auto}.auth-story{padding:5px 0 10px}.auth-story h1{font-size:30px;max-width:100%}.auth-story p{font-size:13px;margin:14px 0}.auth-story ul{display:none}.account-grid{grid-template-columns:1fr}.sidebar-note{padding:18px 13px}.hero-orbit{right:0}.hero-flask{right:32px;opacity:.5}}
@media(max-width:680px){.app-shell{display:block}.sidebar{display:none;position:fixed;width:255px;z-index:40;box-shadow:0 0 0 100vmax #1e392b44;overflow-y:auto}.sidebar.open{display:flex}.sidebar-note{margin-top:25px}.topbar{height:66px;padding:0 20px;gap:12px}.breadcrumb{font-size:10px;margin-right:auto}.topbar-right{gap:0}.account-link{border:0;background:transparent;padding:8px 0;font-size:11px;gap:7px}.mobile-only{display:inline-block}main{padding:28px 20px 20px;min-height:calc(100vh - 130px)}h1{font-size:29px;letter-spacing:-1px}.page-heading{align-items:flex-start;margin-bottom:24px;flex-wrap:wrap}.page-heading p{font-size:12px;line-height:1.8}.hero{padding:27px;min-height:289px}.hero h2{font-size:29px;max-width:260px}.hero p{max-width:230px;font-size:12px}.hero-flask{right:-16px;opacity:.3}.hero-tags{gap:10px}.hero-tags span+span:before{margin-right:10px}.panel{padding:22px}.session-panel{grid-template-columns:auto 1fr;gap:15px}.session-panel>.button{grid-column:1/-1;width:100%}.session-panel .button-row{grid-column:1/-1}.session-panel p{font-size:11px}.section-line{margin-top:25px}.section-line h2{font-size:17px}.section-line span{font-size:10px}.feature{padding:20px;grid-template-columns:auto 1fr}.feature .text-link{grid-column:2;font-size:11px}.feature p{font-size:11px}.feature h3{font-size:15px}.stats{gap:8px}.stat{padding:15px 12px}.stat strong{font-size:23px}.stat small{font-size:10px;line-height:1.6}.stat span{display:block;margin:6px 0 0;font-size:10px}.page-footer{padding:20px;font-size:8px}.page-footer span+span{max-width:170px;text-align:right}.auth-layout{margin:0;gap:16px}.auth-story h1{font-size:30px}.auth-card{padding:25px}.question-card{padding:23px 20px}.question-title{font-size:17px;line-height:1.8}.answer{font-size:13px;padding:13px 12px;gap:11px;align-items:flex-start}.answer-letter{height:27px;width:27px}.answer-state{font-size:10px}.question-actions{flex-wrap:wrap}.question-actions>.button{width:100%}.question-actions>.button-row{width:100%;justify-content:space-between}.question-foot{font-size:10px;line-height:1.7}.question-meta{font-size:10px}.session-top{gap:10px;flex-wrap:wrap}.timer{font-size:10px}.summary-card{padding:24px 18px}.checklist{grid-template-columns:1fr}.choice{font-size:11px;padding:13px 7px}.list-row{align-items:flex-start;flex-wrap:wrap}.empty{padding:28px 20px}.empty h2{font-size:21px}.empty p{font-size:12px}.identity{gap:10px}.button-row .button{flex-grow:1}.button-row.spaced .button{flex-grow:0}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
main:focus{outline:none}
#nav-backdrop{position:fixed;inset:0;background:#1e392b44;z-index:35}#nav-backdrop[hidden]{display:none}@media(max-width:680px){.sidebar{box-shadow:none}}
@media(max-width:680px){.session-panel>.mt{grid-column:1/-1;margin-top:0}}

/* Question review controls */
.question-tools{margin-left:auto;justify-content:flex-end}.question-picker{position:relative}.question-picker summary{cursor:pointer;color:var(--green,#116456);padding:8px;border-radius:8px}.question-picker[open] .question-grid{position:absolute;right:0;top:100%;z-index:5;width:min(300px,75vw);max-height:280px;overflow:auto;padding:16px;background:white;border:1px solid #dce4d8;border-radius:12px;box-shadow:0 12px 30px #173d2220}.question-picker [aria-current]{background:#116456;color:white}.question-tools .button{flex-grow:0}@media(max-width:680px){.question-tools{flex-wrap:wrap}.question-actions .button-row{flex-wrap:wrap;gap:8px}}

.review-shell{max-width:1000px;margin:32px auto;padding:24px;background:var(--paper);border:1px solid var(--line);border-radius:20px}.review-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.review-nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.review-nav a{font-size:12px;padding:8px 15px;border-radius:30px;background:var(--bg)}.review-nav a[aria-current="page"]{background:var(--tint);color:var(--green)}.review-hero{min-height:0;padding:34px;border-radius:16px;background:var(--green);color:white}.review-hero h1{font-size:34px;letter-spacing:-1px;line-height:1.2;margin:16px 0}.review-hero p{font-size:13px;color:#e3eeea;margin-bottom:22px}.review-hero .eyebrow{color:var(--lime);letter-spacing:.5px}.review-hero .button-row{flex-wrap:wrap}.review-hero .secondary{background:transparent;color:white;border-color:#ffffff66}.review-section{margin-top:28px}.review-section-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:15px}.review-section-head a{font-size:12px;color:var(--muted)}.review-exams{display:grid;grid-template-columns:1fr 1fr;gap:16px}.review-exam{padding:14px;border:1px solid var(--line);border-radius:16px;min-width:0}.review-exam>img,.exam-art{width:100%;height:210px;object-fit:cover;border-radius:12px;margin-bottom:16px}.review-exam h3{font-size:16px;margin-bottom:7px}.review-exam p{font-size:12px;color:var(--muted);margin-bottom:12px}.review-exam a{font-size:12px;font-weight:650;color:var(--green)}.exam-art{background:linear-gradient(135deg,#e9f2e9,#dbe8e4);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;color:var(--green)}.exam-art img{width:64px;height:64px}.exam-art span{font-size:11px;letter-spacing:2px}.review-shortcuts{display:flex;gap:12px;flex-wrap:wrap;padding:18px 0;border-bottom:1px solid var(--line)}.review-shortcuts a{font-size:12px;color:var(--green);font-weight:650}.review-reading{padding:20px;border:1px solid var(--line);border-radius:14px}.review-reading p{font-size:13px;color:var(--muted);margin:8px 0 12px}.review-note{max-width:1000px;margin:15px auto;font-size:12px;color:var(--muted);padding:0 20px} .review-footer{margin-top:30px;padding-top:20px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}
@media(max-width:680px){.review-shell{margin:12px;padding:16px}.review-hero{padding:24px}.review-hero h1{font-size:29px}.review-exams{grid-template-columns:1fr}.review-section-head h2{font-size:20px}.review-nav{gap:6px}.review-nav a{padding:7px 10px}.review-header .brand{font-size:20px}.review-exam>img,.exam-art{height:200px}}

/* Override practice sidebar navigation on this public-header mockup. */
nav.review-nav{display:flex;flex-direction:row;align-items:center;justify-content:flex-start;flex-wrap:wrap;gap:8px;width:100%}
nav.review-nav>a{display:inline-flex;align-items:center;flex:0 0 auto;width:auto;min-width:0;max-width:100%;white-space:nowrap;margin:0}

.article-body{max-width:780px;margin:24px auto;line-height:1.8}.article-body h1{margin:18px 0;font-size:30px}.article-body h2{margin:28px 0 12px}.article-body h3{margin:22px 0 10px}.article-body p{margin:12px 0}.article-body table{display:block;overflow:auto;border-collapse:collapse;font-size:13px}.article-body th,.article-body td{padding:10px;border:1px solid var(--line)}.article-body a{color:var(--green);text-decoration:underline}.article-mcq{margin:22px 0;padding:20px;border:1px solid var(--line);border-radius:14px}.article-mcq button{display:block;width:100%;text-align:left;margin:8px 0;white-space:normal}.correct-choice{border:2px solid #116456!important}.incorrect-choice{border:2px solid #a43e37!important}.check-item{display:block;padding:8px}.review-list{display:grid;gap:14px;margin:24px 0}.review-list>a{display:block;padding:20px;border:1px solid var(--line);border-radius:14px}.review-list p{color:var(--muted);font-size:13px;margin-top:8px}.draft-notice{padding:14px;background:#fff5dc;border-radius:10px;font-size:12px;margin:16px 0}.review-breadcrumb{font-size:12px;color:var(--green);margin:12px 0 24px}
.exam-topics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:24px 0}.exam-topic{display:block;padding:22px;border:1px solid var(--line);border-radius:14px;background:white}.exam-topic:hover{background:var(--tint);border-color:#a5c4b6}.exam-topic h3{font-size:15px;margin-bottom:8px}.exam-topic p{font-size:12px;color:var(--muted)}.exam-hub-intro{padding:26px;background:var(--tint);border-radius:14px;margin-top:16px}.exam-hub-intro h1{font-size:29px;margin-bottom:12px}.exam-subheading{margin:28px 0 12px}@media(max-width:600px){.exam-topics{grid-template-columns:1fr}.exam-topic{padding:18px}}