@import url('data:text/css,');
:root{--ink:#203b36;--muted:#71817b;--green:#174e43;--line:#e2e7e1;--paper:#f6f7f2;--orange:#e7a26b;--mint:#e9f1e7;--red:#9c4139}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}a{color:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}.sidebar{position:fixed;inset:0 auto 0 0;width:244px;background:#fff;border-right:1px solid var(--line);padding:34px 23px;display:flex;flex-direction:column}.brand{display:flex;gap:12px;text-decoration:none;font-size:17px;font-weight:650;align-items:center;line-height:1.4}.brand small{display:block;font-size:8px;letter-spacing:1.5px;margin-top:5px;color:var(--muted)}.brand-icon{font-size:26px;letter-spacing:-3px;background:var(--green);color:white;width:43px;height:43px;border-radius:12px;text-align:center;line-height:40px;padding-right:4px}.brand-icon span{color:#d9ba7f}.nav-label{font-size:10px;letter-spacing:1.8px;color:#87928c;margin:55px 13px 13px}nav a{display:flex;gap:13px;text-decoration:none;padding:12px 15px;color:#697972;margin:5px 0;border-radius:7px;font-size:17px}nav a span{font-size:13px}nav a.active{background:var(--mint);color:var(--green);font-weight:650}.sidebar-bottom{margin-top:auto;padding:20px 12px 0}.private-dot{font-size:8px;letter-spacing:1.4px;color:var(--green)}.private-dot:before,.status-dot{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:#6f9a72;margin-right:6px}.sidebar-bottom p{font-family:Georgia,serif;font-size:20px;line-height:1.5}.sidebar-bottom small{font-size:10px;color:var(--muted)}.shell{margin-left:244px}.topbar{height:80px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 46px;font-size:11px;color:var(--muted);background:#ffffff88}.profile{display:flex;align-items:center;gap:5px}.profile b{font-size:10px;background:#e8ebe0;display:inline-grid;place-items:center;border-radius:50%;width:31px;height:31px;margin-left:20px;color:var(--green)}main{max-width:1310px;margin:auto;padding:42px 46px 55px;min-height:calc(100vh - 140px)}h1,h2,h3,p{margin-top:0}h1{font-family:Georgia,serif;font-weight:normal;font-size:38px;letter-spacing:-1px;line-height:1.2;margin-bottom:12px}h2{font-size:19px;letter-spacing:-.4px;margin-bottom:7px}h3{font-size:15px;margin-bottom:8px}p{color:var(--muted)}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:650;color:var(--green);margin-bottom:12px}.title-row,.section-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.date-pill{border:1px solid var(--line);border-radius:20px;padding:7px 14px;font-size:10px;white-space:nowrap}.hero{background:var(--green);color:white;border-radius:13px;padding:31px 34px;display:grid;grid-template-columns:1fr 160px;position:relative;overflow:hidden;margin:24px 0}.hero p{color:#cfddd2;font-size:12px;max-width:440px}.hero h2{font:normal 30px/1.25 Georgia,serif;max-width:450px}.hero .eyebrow{color:#bdd3bd;font-size:9px}.hero .btn{background:#f0c18e;color:#244a3c;border:0}.hero-art{display:grid;place-items:center}.orbit{height:145px;width:145px;border:1px solid #7aa18c70;border-radius:50%;display:grid;place-items:center;transform:rotate(-20deg)}.orbit:before{content:"";position:absolute;inset:20px;border:1px solid #7aa18c70;border-radius:50%}.orbit span{font:italic 65px Georgia,serif;color:#ecd1a3;transform:rotate(20deg)}.orbit:after{content:"";height:14px;width:14px;background:#d7be8f;border-radius:50%;position:absolute;top:7px;right:15px}.btn{border:1px solid var(--line);border-radius:6px;background:white;color:var(--green);padding:10px 18px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:12px;font-size:12px;font-weight:600}.btn.primary{background:var(--green);color:white;border-color:var(--green)}.btn.small{padding:6px 12px;font-size:11px}.btn.ghost{border:0;background:transparent;padding:5px 0}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:22px 0 30px}.stat{background:white;border:1px solid var(--line);border-radius:9px;padding:20px}.stat .num{font-size:28px;font-weight:550;line-height:1.3}.stat .caption{font-size:10px;color:var(--muted);margin-top:8px}.stat .sub{font-size:9px;color:#668373;margin-top:5px}.section-head{margin:28px 0 16px}.section-head p{font-size:11px;margin:0}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.card{border:1px solid var(--line);background:white;border-radius:9px;padding:23px}.topic-icon{width:38px;height:38px;border-radius:9px;background:#edf1e7;color:var(--green);display:grid;place-items:center;font:23px Georgia;margin-bottom:19px}.topic-icon.orange{background:#f7eee0;color:#a46a33}.topic-icon.blue{background:#e9edf3;color:#647896}.topic p{font-size:11px;min-height:35px;margin-bottom:18px}.topic .row{border-top:1px solid var(--line);padding-top:15px;display:flex;justify-content:space-between;align-items:center;font-size:10px;color:var(--muted)}.topic .row a{text-decoration:none;font-weight:650;font-size:16px;color:var(--green)}.lower-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:18px;margin-top:24px}.empty{padding:15px 0;font-size:12px;color:var(--muted)}.source-note{background:#eeeee4}.source-note p{font-size:11px}.tag{font-size:9px;text-transform:uppercase;letter-spacing:1px;border-radius:4px;padding:4px 7px;background:#edf3e9;color:#356047;display:inline-block}.tag.review{background:#fff0dc;color:#8b642c}.progress-line{height:5px;background:#e8eee5;border-radius:4px;overflow:hidden;margin:14px 0}.progress-line span{height:100%;display:block;background:var(--green)}footer{border-top:1px solid var(--line);font-size:9px;color:#8a958d;padding:18px 46px;display:flex;justify-content:space-between}.filters{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}input,select,textarea{border:1px solid #d5ddd5;border-radius:6px;padding:10px 13px;color:var(--ink);background:white;max-width:100%}input[type=search]{flex:1;min-width:190px}label{font-size:12px}label select{display:block;margin-top:5px;min-width:180px}.session-setup{max-width:750px}.setup-options{display:flex;gap:24px;flex-wrap:wrap;margin:25px 0}.notice{padding:14px 18px;background:#f6eedf;border:1px solid #eadbc0;border-radius:7px;font-size:12px;color:#715b38;margin:18px 0}.question-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.question-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:24px;align-items:start}.stimulus{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:white;position:sticky;top:20px}.stimulus img{display:block;width:100%;height:auto}.stimulus .caption{padding:10px 15px;color:var(--muted);font-size:10px;border-top:1px solid var(--line)}.question-panel h2{font-size:21px;line-height:1.5;margin:14px 0 22px}.options{display:grid;gap:10px}.option{padding:13px;text-align:left;background:white;border:1px solid #dce2d9;border-radius:7px;display:flex;align-items:center;gap:12px;font-size:13px;min-height:52px}.option .letter{font-size:10px;border:1px solid var(--line);border-radius:5px;width:27px;height:27px;flex-shrink:0;display:grid;place-items:center;color:var(--muted)}.option.selected{border-color:var(--green);background:#e9f0e7}.option.correct{border-color:#60936d;background:#e4efe4}.option.wrong{border-color:#bd7770;background:#fbefed}.option.selected .letter{background:var(--green);color:white}.feedback{border-left:3px solid #7e9d74;background:#edf3e9;padding:16px;margin-top:20px;font-size:12px}.feedback p{color:var(--ink);margin:7px 0}.actions{display:flex;gap:10px;justify-content:space-between;align-items:center;margin-top:24px;flex-wrap:wrap}.timer{font-variant-numeric:tabular-nums;border:1px solid var(--line);padding:6px 12px;border-radius:5px;font-size:13px}.timer.urgent{color:var(--red)}.question-map{display:flex;gap:7px;flex-wrap:wrap;margin:25px 0}.question-map button{background:white;border:1px solid var(--line);border-radius:5px;font-size:11px;width:31px;height:31px}.question-map button.done{background:#e7efe3}.question-map button.current{border-color:var(--green);font-weight:bold}.library-list{display:grid;gap:10px}.library-item{display:grid;grid-template-columns:1fr auto;gap:15px;border:1px solid var(--line);border-radius:8px;padding:17px 20px;background:white;align-items:center}.library-item h3{font-size:13px;margin:7px 0}.library-item p{font-size:10px;margin-bottom:0}.library-item .tag{margin-right:8px}.pagination{display:flex;justify-content:center;gap:18px;margin-top:25px;align-items:center;font-size:12px}.page-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:7px;margin-top:18px}.page-cell{background:white;border:1px solid var(--line);border-radius:5px;padding:8px 2px;text-align:center;font-size:11px;color:var(--muted)}.page-cell.partial{background:#edf2e8;color:var(--green)}.page-cell.blank{background:#e5e5e5}.source-controls{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.source-controls input{width:82px}.source-preview{width:100%;border:1px solid var(--line);background:white;margin-top:20px}.review-source{display:grid;grid-template-columns:1.2fr 1fr;gap:25px}.review-source img{width:100%}.review-source pre{white-space:pre-wrap;font:12px/1.7 monospace;max-height:550px;overflow:auto;background:#f0f2eb;padding:16px}.review-source textarea{width:100%;height:120px;margin-top:10px}.result-number{font:70px Georgia,serif;color:var(--green);margin:15px 0}.history-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--line);font-size:12px}.history-row:last-child{border:0}.breakdown{display:grid;gap:10px;margin:20px 0}.breakdown details{border:1px solid var(--line);padding:14px;border-radius:7px;background:white;font-size:12px}.breakdown p{color:var(--ink);margin:10px 0}.breakdown summary{cursor:pointer}.bookmark{font-size:17px;background:transparent;border:0;color:#9b7835}.file-label input{display:none}dialog{width:min(1000px,95vw);border:1px solid var(--line);border-radius:10px;padding:20px;max-height:94vh;overflow:auto}dialog::backdrop{background:#102b29b8}.dialog-head{display:flex;justify-content:space-between;align-items:center;position:sticky;top:-20px;background:white;padding:10px 0}.dialog-head button{border:0;background:var(--paper);padding:8px 13px;border-radius:5px}#source-content img{width:100%;margin-bottom:12px}#toast{position:fixed;bottom:25px;right:25px;background:var(--ink);color:white;border-radius:6px;padding:10px 20px;font-size:12px;display:none;z-index:5}button:hover:not(:disabled),.btn:hover{filter:brightness(.96)}.option:hover:not(:disabled){border-color:#8da28f}.source-links{display:flex;gap:12px;font-size:11px;flex-wrap:wrap;margin-top:15px}.text-button{border:0;background:transparent;text-decoration:underline;color:var(--green);font-size:11px;padding:0}.mobile-label{display:none}.skip-link{position:absolute;left:-999px}.skip-link:focus{left:10px;top:10px;z-index:10;background:white;padding:10px}@media(min-width:1500px){main{padding-top:50px}.hero{padding:39px}}@media(max-width:1100px){.sidebar{width:210px;padding:30px 15px}.shell{margin-left:210px}main{padding:30px 25px}.topbar{padding:0 25px}.brand{font-size:15px}.stats{gap:10px}.stat{padding:15px}.hero-art{display:none}.hero{grid-template-columns:1fr}.topic-grid{gap:10px}.card{padding:18px}.page-grid{grid-template-columns:repeat(8,1fr)}}@media(max-width:760px){.sidebar{position:static;width:auto;padding:16px;display:block;border-bottom:1px solid var(--line)}.brand{font-size:15px}.brand small,.nav-label,.sidebar-bottom{display:none}.brand-icon{width:33px;height:33px;font-size:23px;line-height:30px}.sidebar nav{display:flex;gap:3px;justify-content:space-between;margin-top:15px}.sidebar nav a{padding:6px 8px;gap:5px;font-size:15px}.sidebar nav a span{font-size:10px}.shell{margin:0}.topbar{height:50px;padding:0 20px}.profile{font-size:9px}.profile b{margin-left:7px;width:25px;height:25px}main{padding:28px 18px}.date-pill{display:none}h1{font-size:32px}.hero{padding:25px}.hero h2{font-size:27px}.stats{grid-template-columns:repeat(2,1fr);gap:10px}.topic-grid{grid-template-columns:1fr}.topic p{min-height:0}.topic-icon{float:left;margin:0 15px 15px 0}.topic .row{clear:both}.lower-grid,.question-layout,.review-source{grid-template-columns:1fr}.stimulus{position:static;max-height:480px;overflow:auto}.stimulus img{max-width:100%}footer{padding:18px;display:block}footer span{display:block;margin-top:5px}.page-grid{grid-template-columns:repeat(6,1fr)}.library-item{grid-template-columns:1fr}.library-item .btn{justify-self:start}.setup-options{display:grid;gap:15px}.section-head{align-items:start}.hero .btn{width:100%}.source-controls{font-size:12px}}

.choice-diagram{display:block;width:auto;max-width:130px;max-height:110px;object-fit:contain}.review-source li .choice-diagram{margin:8px 0}.option:has(.choice-diagram){min-height:112px}