:root{--paper:#f6f7f3;--ink:#20392e;--muted:#6d7b73;--line:#dce2da;--green:#256b4d;--light:#e8f0e5;--white:#fff;--red:#a83434}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,'Segoe UI',sans-serif;font-size:15px;line-height:1.65}button,input,textarea,select{font:inherit}button{cursor:pointer;border:1px solid var(--line);border-radius:10px;padding:10px 16px;background:#fff;color:var(--ink);font-weight:600}button:hover{background:var(--light)}button:disabled{opacity:.55;cursor:wait}.primary{background:var(--green);color:white;border-color:var(--green)}.primary:hover{background:#1b543c}a{color:var(--green)}input,textarea,select{border:1px solid var(--line);background:#fff;border-radius:9px;padding:10px;width:100%;color:var(--ink)}textarea{resize:vertical;min-height:110px}label{display:block;margin:14px 0 6px}h1,h2,h3,p{margin-top:0}h1{font-size:32px;letter-spacing:-1px;margin-bottom:12px}h2{font-size:21px}h3{font-size:17px}small,.muted{color:var(--muted)}.layout{display:grid;grid-template-columns:220px 1fr;min-height:100vh}aside{border-right:1px solid var(--line);padding:34px 22px;background:#f0f3ec;position:sticky;top:0;height:100vh}.brand{font-size:27px;font-weight:750;letter-spacing:-1px}.brand span{color:var(--green)}.tagline{font-size:12px;margin:2px 0 38px}nav{display:grid;gap:8px}nav button{text-align:left;background:transparent;border-color:transparent}nav button.active{background:var(--green);color:white}.aside-footer{position:absolute;bottom:25px;left:22px;right:22px;font-size:12px}main{max-width:1140px;width:100%;margin:auto;padding:44px 48px}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--green);font-weight:700;margin-bottom:12px}.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.between{justify-content:space-between}.card{border:1px solid var(--line);border-radius:16px;background:#fff;padding:26px;margin-bottom:18px}.hero{background:#eaf0e5;border-color:#d5dfcf;padding:30px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0}.stat{padding:20px;border:1px solid var(--line);border-radius:12px;background:white}.stat strong{display:block;font-size:28px}.stat span{font-size:13px;color:var(--muted)}.pill{display:inline-block;font-size:12px;background:var(--light);border-radius:99px;padding:3px 10px;color:var(--green)}.question{white-space:pre-wrap;font-size:18px}.choice{display:flex;align-items:flex-start;gap:10px;padding:12px;border:1px solid var(--line);border-radius:10px;margin:8px 0;cursor:pointer}.choice input{width:auto;margin-top:6px}.answer-bar{display:flex;gap:12px;align-items:end;flex-wrap:wrap;margin-top:16px}.answer-bar label{margin:0;flex:1}.feedback{border-left:3px solid var(--green);padding:16px 20px;background:#f3f7f0;margin-top:20px;white-space:pre-wrap}.source{font-size:12px;margin-top:18px;color:var(--muted)}.text{white-space:pre-wrap;overflow-wrap:anywhere}.source-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px 0;border-bottom:1px solid var(--line)}.source-row:last-child{border:0}.source-title{background:none;border:0;padding:0;text-align:left;font-size:15px}.source-title:hover{text-decoration:underline;background:none}.toggle{width:auto}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.upload{border:2px dashed #bccbbb;background:#f6f9f3;border-radius:12px;padding:22px}.login{max-width:450px;margin:12vh auto;padding:30px}.login .primary{width:100%;margin-top:22px}#notice{position:fixed;right:24px;bottom:24px;max-width:90vw;background:var(--ink);color:white;border-radius:12px;padding:14px 22px;display:none;z-index:10}.error{color:var(--red)}.job{font-size:13px;padding:10px 0;border-bottom:1px solid var(--line)}.empty{padding:30px;text-align:center;color:var(--muted)}.back{margin-bottom:20px}.katex-display{overflow:auto hidden}details summary{cursor:pointer;color:var(--green);padding:10px 0}.progress{height:7px;background:#e4e9e0;border-radius:9px;overflow:hidden}.progress i{display:block;height:100%;background:var(--green)}@media(max-width:760px){.layout{display:block}aside{position:static;height:auto;padding:18px;border-right:0;border-bottom:1px solid var(--line)}.brand{font-size:23px}.tagline,.aside-footer{display:none}nav{display:flex;gap:3px;margin-top:12px;overflow-x:auto}nav button{white-space:nowrap;padding:8px 12px;font-size:13px}main{padding:26px 18px}.grid2{grid-template-columns:1fr}.card{padding:20px}.stats{gap:8px}.stat{padding:13px}.stat strong{font-size:23px}h1{font-size:27px}.source-row{gap:10px}}

.source-row[hidden]{display:none}