:root{
  --ink:#14202b;--muted:#65717d;--paper:#f4f6f8;--card:#fff;--line:#dfe5e9;
  --green:#2f7650;--green2:#e9f4ed;--red:#a92e27;--red2:#f8e9e7;--navy:#101820;
  --amber:#a96f12;--amber2:#fff5df;--shadow:0 15px 45px rgba(24,40,54,.08);--radius:22px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.48}
button,select,input{font:inherit}.topbar{height:72px;background:rgba(16,24,32,.97);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 max(22px,calc((100vw - 1180px)/2));position:sticky;top:0;z-index:20;box-shadow:0 5px 25px rgba(0,0,0,.15)}
.brand{display:flex;gap:11px;align-items:center;background:none;border:0;color:#fff;text-align:left;cursor:pointer;padding:0}.brandmark{width:39px;height:39px;border-radius:12px;background:#fff;color:var(--navy);display:grid;place-items:center;font-weight:900;letter-spacing:-1px}.brand strong{display:block;font-size:15px}.brand small{display:block;color:#b8c0c7;font-size:11px;margin-top:1px}.topbar nav{display:flex;gap:5px}.navbtn{background:transparent;color:#cbd3d9;border:0;padding:9px 12px;border-radius:10px;cursor:pointer}.navbtn:hover{background:#24303a;color:#fff}
.shell{max-width:1180px;margin:auto;padding:44px 22px 70px;min-height:calc(100vh - 135px)}.hero{background:linear-gradient(120deg,#101820,#253746);color:#fff;border-radius:28px;padding:43px;display:grid;grid-template-columns:1.5fr .8fr;gap:32px;box-shadow:var(--shadow)}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-weight:800;font-size:12px;color:#b9d9c5}.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.02;letter-spacing:-.045em;margin:12px 0 18px;max-width:800px}.hero p{color:#d6dde2;font-size:17px;max-width:720px}.metrics{display:grid;gap:12px;align-content:center}.metric{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:17px;padding:17px}.metric strong{display:block;font-size:29px}.metric span{font-size:12px;color:#c6cfd5}
.sectionhead{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:39px 0 16px}.sectionhead h2{font-size:29px;margin:0;letter-spacing:-.03em}.sectionhead p{margin:4px 0 0;color:var(--muted)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:19px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:0 9px 30px rgba(18,38,55,.045)}.card h3{font-size:24px;margin:8px 0 10px;letter-spacing:-.025em}.card p{color:var(--muted)}.icon{font-size:33px}.tags{display:flex;flex-wrap:wrap;gap:7px;margin:16px 0}.tag{font-size:12px;font-weight:700;background:#f0f3f5;border:1px solid #e2e7ea;padding:6px 9px;border-radius:99px}.itscard{border-top:5px solid var(--green)}.vvfcard{border-top:5px solid var(--red)}
.btnrow{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.btn{border:0;border-radius:12px;padding:11px 15px;font-weight:800;cursor:pointer}.btn.primary{background:var(--navy);color:#fff}.btn.green{background:var(--green);color:#fff}.btn.red{background:var(--red);color:#fff}.btn.secondary{background:#eef2f4;color:var(--ink)}.btn.outline{background:#fff;border:1px solid var(--line);color:var(--ink)}.btn:disabled{opacity:.48;cursor:not-allowed}
.subcard{margin-top:16px;border-radius:17px;padding:17px;border:1px solid var(--line);background:#fafbfc}.subcard.red{background:var(--red2);border-color:#f0cbc7}.subcard.amber{background:var(--amber2);border-color:#efdcab}.subcard.green{background:var(--green2);border-color:#cfe6d7}.subcard h4{margin:0 0 5px;font-size:16px}.subcard p{margin:0;font-size:13px}.statusline{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:12px}.status{font-weight:800;font-size:13px}.status.ok{color:var(--green)}.status.warn{color:var(--amber)}.progress{height:8px;background:#e4e8eb;border-radius:99px;overflow:hidden;margin-top:9px}.progress>span{height:100%;display:block;background:var(--red);width:0;transition:width .2s}
.notice{background:#fff;border-left:4px solid var(--amber);border-radius:13px;padding:16px 18px;margin-top:20px;color:#58636d;font-size:13px}.notice strong{color:var(--ink)}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}.back{background:transparent;border:0;color:#56626d;font-weight:750;padding:0;cursor:pointer}.setupgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:20px}.field{border:1px solid var(--line);border-radius:14px;padding:14px;background:#fbfcfd}.field label{font-size:12px;font-weight:800;display:block;margin-bottom:7px}.field select{width:100%;border:0;background:transparent;outline:none}.checkline{display:flex;align-items:center;gap:9px;font-size:14px}.checkline input{width:17px;height:17px}
.quiztop{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:14px}.quizmeta{font-size:13px;color:var(--muted)}.timer{font-variant-numeric:tabular-nums;background:var(--navy);color:#fff;padding:8px 12px;border-radius:10px;font-weight:900}.qprogress{height:8px;background:#e8ecef;border-radius:99px;overflow:hidden;margin-bottom:24px}.qprogress span{display:block;height:100%;background:var(--green)}.qsource{display:inline-block;font-size:11px;font-weight:850;background:#f0f3f5;border-radius:99px;padding:5px 9px;margin-bottom:12px}.passage{background:#f7f8fa;border:1px solid var(--line);border-radius:13px;padding:14px 16px;margin:0 0 16px;max-height:280px;overflow:auto;font-size:13px;color:#48545e;white-space:pre-wrap}.question{font-size:22px;line-height:1.35;margin:0 0 20px;letter-spacing:-.015em}.answers{display:grid;gap:10px}.answer{display:flex;align-items:flex-start;gap:11px;width:100%;text-align:left;background:#fff;border:1px solid #d8dfe4;border-radius:14px;padding:13px 14px;cursor:pointer}.answer:hover{border-color:#9aa9b3;background:#fafbfc}.answer.selected{border:2px solid var(--navy);padding:12px 13px}.answer.correct{background:#eaf6ee;border-color:#75af89}.answer.wrong{background:#fae9e7;border-color:#cf817b}.letter{width:28px;height:28px;border-radius:9px;background:#eef2f4;display:grid;place-items:center;font-weight:900;flex:0 0 auto}.feedback{margin-top:15px;padding:13px 15px;border-radius:13px;background:#f5f7f8;color:#4c5962;font-size:13px}.quizfooter{display:flex;justify-content:space-between;gap:10px;margin-top:24px}
.resulthead{text-align:center;padding:15px 0 24px}.scorecircle{width:130px;height:130px;border-radius:50%;display:grid;place-items:center;background:#f0f3f5;margin:0 auto 13px}.scorecircle strong{font-size:36px}.scoregrid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:20px 0}.scorebox{background:#f6f8f9;border-radius:14px;padding:13px;text-align:center}.scorebox strong{display:block;font-size:22px}.scorebox span{font-size:11px;color:var(--muted)}.review{margin-top:22px}.reviewitem{border-top:1px solid var(--line);padding:16px 0}.reviewitem p{margin:5px 0;font-size:13px}.good{color:var(--green);font-weight:800}.bad{color:var(--red);font-weight:800}
.statgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.statbig{background:#fff;border:1px solid var(--line);border-radius:17px;padding:20px}.statbig strong{font-size:32px;display:block}.statbig span{font-size:12px;color:var(--muted)}.historytable{width:100%;border-collapse:collapse;margin-top:18px;font-size:13px}.historytable th,.historytable td{text-align:left;padding:11px 9px;border-bottom:1px solid var(--line)}.historytable th{color:var(--muted);font-size:11px;text-transform:uppercase}.sourceitem{padding:17px 0;border-bottom:1px solid var(--line)}.sourceitem h3{margin:0 0 5px;font-size:17px}.sourceitem p{margin:0 0 7px;font-size:13px}.sourceitem a{color:#175e8c;font-weight:750;text-decoration:none}.sourceitem a:hover{text-decoration:underline}.footer{text-align:center;color:#77828b;font-size:12px;padding:24px}
.loader{display:inline-block;width:15px;height:15px;border:2px solid #c6cdd2;border-top-color:var(--red);border-radius:50%;animation:spin .7s linear infinite;vertical-align:-2px;margin-right:6px}@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:800px){.topbar{padding:0 14px}.brand small{display:none}.topbar nav .navbtn:nth-child(3){display:none}.shell{padding:24px 13px 50px}.hero{grid-template-columns:1fr;padding:28px 22px}.hero h1{font-size:38px}.grid2,.setupgrid,.statgrid{grid-template-columns:1fr}.scoregrid{grid-template-columns:1fr 1fr}.card,.panel{padding:20px}.question{font-size:19px}.quiztop{align-items:flex-start}.historytable{font-size:11px}.historytable th:nth-child(2),.historytable td:nth-child(2){display:none}}