:root{color-scheme:dark;--bg:#171a20;--side:#1e222a;--panel:#232831;--panel2:#2b313c;--line:#39404d;--text:#f2f4fa;--muted:#a7afbf;--accent:#a5b4fc;--accentbg:#3d4269;--good:#91dfb2;--bad:#f6a1a6;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:15px;line-height:1.55}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.4;cursor:not-allowed}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.layout{min-height:100vh;display:grid;grid-template-columns:260px minmax(0,1fr)}.sidebar{background:var(--side);border-right:1px solid var(--line);padding:26px 17px;display:flex;flex-direction:column;gap:30px}.brand{display:flex;align-items:center;gap:12px;padding:0 10px}.brand-icon{background:#6467b7;border-radius:13px;width:42px;height:42px;display:grid;place-items:center;font-size:24px;font-weight:800}.brand strong{display:block;font-size:21px;letter-spacing:-.6px}.brand small{display:block;color:var(--muted);font-size:11px}.sidebar nav{display:grid;gap:7px}.navitem{display:flex;gap:12px;align-items:center;text-align:left;background:none;border:0;color:#bfc6d4;padding:12px 15px;border-radius:11px;width:100%}.navitem.active,.navitem:hover{background:#323846;color:white}.sidefoot{margin-top:auto;padding:14px 10px;color:var(--muted);font-size:12px;border-top:1px solid var(--line)}main{min-width:0}.top{height:75px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(18px,4vw,58px)}.breadcrumb{color:var(--muted);font-size:13px}.topright{font-size:12px;color:var(--muted)}.dot{display:inline-block;background:var(--good);width:7px;height:7px;border-radius:50%;margin-right:5px}.content{max-width:1120px;margin:auto;padding:38px clamp(18px,4vw,58px) 80px}.eyebrow{color:var(--accent);font-size:12px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase}h1{font-size:clamp(25px,3vw,36px);line-height:1.18;letter-spacing:-.8px;margin:8px 0 12px}h2{font-size:20px;line-height:1.3;margin:0 0 10px}h3{font-size:16px;margin:0 0 8px}.muted{color:var(--muted)}.small{font-size:12px}.lead{font-size:15px;color:var(--muted);margin:0 0 26px;max-width:760px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,270px),1fr));gap:15px}.panel{border:1px solid var(--line);background:var(--panel);padding:23px;border-radius:16px}.panel.interactive:hover{border-color:#7b84ac}.stat{font-size:34px;font-weight:750;letter-spacing:-1px}.row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.stack{display:grid;gap:13px}.section{margin-top:32px}.tag{display:inline-block;border-radius:50px;background:#343b4a;color:#c7d2fe;padding:4px 10px;font-size:11px;font-weight:650}.progress{height:8px;background:#414854;border-radius:30px;overflow:hidden}.progress>div{height:100%;background:var(--accent);border-radius:30px}.btn{border:1px solid transparent;background:var(--accent);color:#171b29;font-weight:750;padding:11px 17px;border-radius:10px;min-height:43px}.btn:hover:not(:disabled){filter:brightness(1.07)}.btn.secondary{background:#333a47;border-color:#495365;color:#eef1f9}.btn.danger{background:#633b46;color:#ffe3e5}.btn.smallbtn{font-size:12px;padding:7px 11px;min-height:34px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.choice{display:flex;align-items:flex-start;gap:12px;border:1px solid var(--line);border-radius:11px;padding:14px;margin:10px 0;background:#272d37;cursor:pointer}.choice:hover,.choice.selected{border-color:#a5b4fc;background:#353b55}.choice input{margin-top:5px;accent-color:#a5b4fc;flex-shrink:0}.field{display:grid;gap:6px;margin:13px 0}.field label{font-weight:650;font-size:13px}.field input,.field textarea,.field select,.field select option{width:100%;background:#171b22;color:var(--text);border:1px solid #4a5260;border-radius:9px;padding:11px}.field textarea{min-height:115px;resize:vertical}.note{background:#303746;border-left:3px solid var(--accent);padding:13px 15px;border-radius:7px;color:#d8deec;font-size:13px;margin-top:16px}.answer{background:#1b2028;padding:13px;border-radius:9px;white-space:pre-wrap;overflow-wrap:anywhere}.review{border-left:3px solid #8792ad}.review.correct{border-left-color:var(--good)}.review.wrong{border-left-color:var(--bad)}.status-good{color:var(--good)}.status-bad{color:var(--bad)}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:13px}.flash{min-height:155px;text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:15px;color:white;padding:20px;display:flex;flex-direction:column;justify-content:space-between}.flash:hover{border-color:var(--accent)}.flash strong{font-size:18px}.flash small{color:var(--muted)}.divider{border:0;border-top:1px solid var(--line);margin:20px 0}.empty{border:1px dashed #566074;border-radius:15px;padding:25px;color:var(--muted)}.iconbtn{border:0;background:transparent;color:white;font-size:22px}.mobilemenu{display:none}.quiznav{display:flex;gap:7px;flex-wrap:wrap;margin:17px 0}.number{border:1px solid #596070;background:#303744;color:white;border-radius:8px;width:36px;height:36px}.number.current{background:var(--accent);color:#161b25}.number.done{border-color:var(--good)}.warning{color:#ffd5a3}.mapimg{max-width:100%;max-height:420px;object-fit:contain;border-radius:10px;border:1px solid var(--line)}#toast{position:fixed;right:16px;bottom:18px;background:#404b63;color:white;border-radius:10px;padding:12px 16px;display:none;max-width:340px;z-index:50}.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:800px){.layout{grid-template-columns:1fr}.sidebar{display:none;position:fixed;inset:0 auto 0 0;width:265px;z-index:20;box-shadow:0 0 0 100vmax #0009}.sidebar.open{display:flex}.mobilemenu{display:block}.top{height:60px}.topright{display:none}.content{padding-top:25px}.two{grid-template-columns:1fr}}@media(max-width:420px){.panel{padding:16px}.actions .btn{flex:1}.content{padding-inline:14px}}