:root{color-scheme:light;--ink:#222927;--green:#17624d;--soft:#edf5f1;--gold:#a55f12;--gold-soft:#fff5e7;--line:#d5ddda;--muted:#56635f;--paper:#fff}*{box-sizing:border-box;letter-spacing:0}body{margin:0;font:16px/1.6 system-ui,sans-serif;color:var(--ink);background:#f8faf9}[hidden]{display:none!important}button,input,textarea{font:inherit}button,a,input,textarea{touch-action:manipulation}button{cursor:pointer;border:1px solid var(--line);border-radius:6px;padding:11px 16px;background:white;color:var(--ink);font-weight:650}button:disabled{cursor:default;opacity:.75}a{color:var(--green)}:focus-visible{outline:3px solid var(--gold);outline-offset:3px}.primary{background:var(--green);color:white;border-color:var(--green);min-height:48px}.topbar{display:flex;justify-content:space-between;gap:16px;padding:16px max(20px,calc((100% - 1280px)/2));border-bottom:1px solid var(--line);background:white;font-size:14px}.topbar a{font-weight:800;text-decoration:none}main{max-width:1280px;padding:0 24px 64px;margin:auto}.login{max-width:580px;margin:64px auto}.login h1{font-size:36px;line-height:1.15;margin:12px 0}.subtitle{font-size:24px;margin:0}.eyebrow{color:var(--green);font-size:13px;font-weight:800;text-transform:uppercase;margin:0 0 8px}#loginForm{display:grid;gap:10px;margin-top:30px;max-width:380px}input,textarea{width:100%;padding:12px;border:1px solid #80958a;border-radius:5px;background:white}#errorBox{color:#9b332d}.session-head{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:24px 0;border-bottom:1px solid var(--line)}.session-head h1{font-size:20px;margin:0}.activity-heading{padding:24px 0 12px}.activity-heading h2{font-size:28px;line-height:1.25;margin:0}.activity-heading p:last-child{color:var(--muted);margin:8px 0}.strategy{display:grid;grid-template-columns:minmax(260px,.8fr) minmax(300px,1.2fr);gap:28px;padding:20px 22px;border:1px solid #e7cfad;border-left:5px solid var(--gold);background:var(--gold-soft);margin:8px 0 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var(--green);margin-top:24px}#resultScore{font-size:30px}#savedState.error{color:#9b332d}@media(min-width:1900px){main{max-width:1500px}.pair-grid{gap:42px}.reading p{font-size:19px}.option{font-size:17px}}@media(max-width:800px){main{padding:0 16px 40px}.topbar{padding:12px 16px;font-size:12px}.login{margin:40px auto}.login h1{font-size:30px}.session-head{align-items:flex-start}.session-head h1{font-size:18px}.session-head a{font-size:13px}.activity-heading h2,.pair-head h2{font-size:23px}.strategy{grid-template-columns:1fr;gap:10px}.tabs{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.tabs button{font-size:13px;padding:9px 7px}.pair-grid,.questions{grid-template-columns:minmax(0,1fr)}.reading{padding:20px 16px}.reading h3{font-size:24px}.reading p{font-size:17px}.answer-map{grid-template-columns:repeat(3,minmax(0,1fr))}progress{width:140px}.progressbar{gap:10px}h1,h2,h3,p,button{overflow-wrap:break-word}}