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span{width:20px;color:inherit;font-size:18px}.side-nav a.selected{background:var(--tint);color:var(--accent)}.side-nav a:hover{background:var(--canvas)}.sidebar-bottom{margin-top:auto;font-size:12px;color:var(--muted);padding:22px 13px 0}.sidebar-bottom strong{display:block;color:var(--ink);margin-bottom:10px}.sidebar-bottom p{margin:5px 0}.workspace{margin-left:240px;min-height:100vh}.topbar{height:78px;border-bottom:1px solid var(--line);padding:0 44px;display:flex;align-items:center;justify-content:space-between;gap:20px;background:var(--canvas)}.topbar-label{font-size:12px;color:var(--muted)}.topbar .button{padding:8px 15px;font-size:13px}.mobile-nav{display:none}#app{max-width:1480px;margin:auto;padding:44px 44px 64px;min-height:70vh}#app:focus{outline:0}.page-heading{margin-bottom:30px;max-width:850px}.eyebrow{font-size:10px;font-weight:740;letter-spacing:1.65px;color:var(--accent);margin:0 0 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h2{font-size:19px;margin:0}.section-heading>span{font-size:12px;color:var(--muted)}.module-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.module-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;min-width:0}.module-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.module-code{color:var(--accent);background:var(--tint);font-size:12px;letter-spacing:.5px;font-weight:700;padding:7px 10px;border-radius:5px}.quiet{font-size:10px}.module-card h3{min-height:45px}.module-card p{font-size:12px;color:var(--muted)}.progress-track{height:4px;background:var(--soft);overflow:hidden;border-radius:5px}.progress-track span{display:block;background:var(--accent);height:100%}.card-actions{display:flex;justify-content:space-between;gap:8px;padding-top:12px}.editorial-grid{display:grid;grid-template-columns:1.2fr 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var(--line);padding-top:15px}summary{font-weight:600;font-size:13px;cursor:pointer;color:var(--muted);min-height:30px}.question-numbers{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.number-button{background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:5px;min-width:42px;min-height:42px;padding:7px;font-size:12px}.number-button.answered{background:var(--tint);border-color:var(--accent)}.number-button.current{box-shadow:0 0 0 2px var(--accent)}.instruction-panel{max-width:740px;background:var(--surface);border:1px solid var(--line);padding:35px;border-radius:10px}.instruction-panel .clock{float:right;padding:4px 0 20px 20px}.instruction-panel p{max-width:620px}.instruction-panel .text-button{display:block;margin-top:15px}.history-list{margin-top:24px}.history-row{display:flex;justify-content:space-between;gap:24px;padding:25px 0;border-bottom:1px solid var(--line)}.history-row p{font-size:13px;color:var(--muted)}.history-row .eyebrow{font-size:9px}.history-row p:last-child{margin:0}.history-row>div:last-child{display:flex;align-items:center;gap:20px}.review-shortcuts{display:flex;gap:14px;flex-wrap:wrap}.empty-state{padding:35px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);max-width:720px;margin-bottom:25px}.empty-state p{font-size:14px;color:var(--muted)}.module-selection{display:flex;flex-direction:column;gap:12px;border:0;padding:0;margin:0 0 24px}.module-selection legend{font-size:13px;font-weight:650;margin-bottom:14px}.module-selection label{display:flex;gap:10px;font-size:13px}.module-selection input{accent-color:var(--accent);width:18px;height:18px}.weekly-plan{font-size:14px;line-height:1.7;padding-left:22px;margin:24px 0}.weekly-plan li{margin-bottom:13px}.account-panel{display:flex;justify-content:space-between;align-items:center;gap:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:28px;margin-bottom:28px}.account-panel p:last-child{font-size:14px;color:var(--muted);margin:0}.pricing-panel{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:35px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:32px}.pricing-panel p{font-size:14px}.price{font-size:39px!important;font-weight:700;letter-spacing:-1px;margin:25px 0 3px}.price span{font-size:13px;color:var(--muted);font-weight:400;letter-spacing:0}.purchase-controls{display:flex;flex-direction:column;align-items:start}.purchase-controls .field{width:100%}.check-label{display:block;position:relative;padding-left:27px;font-size:12px;line-height:1.7;margin:16px 0 22px}.check-label input{position:absolute;left:0;top:3px;width:17px;height:17px;accent-color:var(--accent)}.data-panel{border-top:1px solid var(--line);padding-top:28px}.data-panel p{font-size:14px;color:var(--muted);max-width:800px}.calculator{width:260px;max-width:100%;border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:18px;margin-top:25px}#calc-display{display:block;font-size:23px;text-align:right;padding:12px;background:var(--canvas);border:1px solid var(--line);border-radius:5px;min-height:55px;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.calc-keys{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-top:12px}.calc-key{background:var(--surface);border:1px solid var(--line);border-radius:4px;min-height:42px}.table-scroll{overflow:auto}table{border-collapse:collapse;width:100%;font-size:13px;text-align:left}th,td{padding:11px 13px;border:1px solid var(--line);white-space:nowrap}th{background:var(--tint)}.notice{margin:20px 44px 0;background:var(--tint);border:1px solid var(--soft);padding:13px 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24px}.policy-main{max-width:830px;margin:35px auto 60px}.policy-main h1{font-size:38px;margin-bottom:30px}.policy-main h2{font-size:22px;margin:32px 0 12px}.policy-main p{font-size:15px;line-height:1.8}.policy-header{max-width:1120px;margin:auto;display:flex;justify-content:space-between;gap:20px;align-items:center;border-bottom:1px solid var(--line);padding-bottom:22px}.policy-main form{background:var(--surface);padding:25px;border:1px solid var(--line);border-radius:8px}.policy-main textarea{min-height:100px}.loading{padding:40px;color:var(--muted)}
@media(min-width:1500px){.module-grid{grid-template-columns:repeat(4,1fr)}body[data-app=esat-study] .module-grid{grid-template-columns:repeat(5,1fr)}}
@media(max-width:1100px){.sidebar{width:205px;padding:25px 15px}.workspace{margin-left:205px}.topbar{padding:0 28px}#app{padding:35px 28px 50px}.module-grid{grid-template-columns:repeat(2,1fr)}.lesson-layout{grid-template-columns:190px minmax(0,1fr);gap:18px}.lesson-body{padding:25px}.question-layout.has-context{gap:20px}.question-context{padding:21px}.notice{margin-left:28px;margin-right:28px}.pricing-panel{padding:27px;gap:25px}.setup-layout{gap:20px;grid-template-columns:1fr 1fr}.setup-panel{padding:23px}.format-panel{padding:8px}.account-panel{display:block}.account-panel .split-actions{margin-top:18px}}
@media(max-width:800px){.sidebar{position:static;width:auto;padding:20px 22px;display:flex;flex-direction:row;align-items:center;justify-content:space-between;border-right:0;border-bottom:1px solid var(--line)}.brand-subtitle,.side-nav,.sidebar-bottom{display:none}.workspace{margin-left:0}.topbar{height:auto;padding:14px 22px;gap:15px}.topbar-label{display:none}.mobile-nav{display:block;flex:1}.mobile-nav select{font:inherit;font-size:13px;padding:9px;border:1px solid var(--line);background:var(--surface);border-radius:5px;width:100%;max-width:300px}#app{padding:30px 22px 45px}.page-heading{margin-bottom:25px}.desk-summary{grid-template-columns:repeat(4,1fr);gap:15px}.metric{font-size:25px}.desk-summary>div{font-size:10px}.editorial-grid{gap:18px}.focus-panel,.latest-panel{padding:23px}.question-layout.has-context{grid-template-columns:1fr}.question-context{position:static;max-height:none}.question-toolbar{flex-wrap:wrap;gap:6px}.question-answer h2{font-size:19px}.timer-wrap{position:static}.session-heading{gap:16px}.lesson-layout{grid-template-columns:1fr}.lesson-list{flex-direction:row;overflow:auto;padding-bottom:10px}.lesson-item{min-width:155px;flex-shrink:0;border:1px solid var(--line);max-width:200px}.lesson-body{padding:25px}.rehearsal-panel{display:block}.setup-layout{grid-template-columns:1fr 1fr;gap:18px}.setup-panel{padding:24px}.format-panel{padding:6px 0 0 15px}.pricing-panel{gap:24px}.history-row{gap:18px}.history-row>div:last-child{flex-direction:column;gap:5px}.notice{margin:16px 22px 0}footer{padding:20px 22px 30px}.resume-strip{padding:18px}.instruction-panel{padding:25px}}
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