:root{--bg:#07101f;--panel:#0e1a2f;--panel2:#13233e;--text:#eef4ff;--muted:#93a4bf;--accent:#49a6ff;--green:#34d399;--red:#fb7185;--yellow:#fbbf24;--line:#203653}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:radial-gradient(circle at 80% 0,#123664 0,transparent 28%),var(--bg);color:var(--text);min-height:100vh}.top{height:70px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;border-bottom:1px solid var(--line);background:#081322e8;backdrop-filter:blur(14px);position:sticky;top:0;z-index:10}.brand{display:flex;gap:12px;align-items:center}.brand small,.topic-head small{display:block;color:var(--muted);margin-top:3px}.mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,#208cff,#62c3ff);display:grid;place-items:center;font-weight:900}.icon{display:none}.layout{display:grid;grid-template-columns:235px 1fr;min-height:calc(100vh - 70px)}aside{border-right:1px solid var(--line);padding:20px 12px;background:#081322aa}nav{display:grid;gap:7px}nav button{border:0;background:transparent;color:var(--muted);padding:13px 14px;border-radius:10px;text-align:left;font-size:15px;cursor:pointer}nav button:hover,nav button.active{background:var(--panel2);color:#fff}.aside-note{font-size:11px;color:#6f819e;padding:18px 12px;position:fixed;bottom:12px;width:205px}main{padding:28px;max-width:1200px;width:100%;margin:auto}.hero{display:grid;grid-template-columns:1fr 270px;gap:25px;align-items:center;background:linear-gradient(130deg,#0e1a2f,#10284a);border:1px solid var(--line);padding:34px;border-radius:24px}.hero h1{font-size:clamp(30px,5vw,54px);line-height:1.02;margin:10px 0}.hero h1 span{color:#65baff}.hero p{max-width:720px;color:var(--muted);font-size:17px;line-height:1.6}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.actions.center{justify-content:center}.btn{border:0;border-radius:11px;padding:12px 17px;font-weight:800;cursor:pointer;background:var(--accent);color:#05101f}.btn.secondary{background:var(--panel2);color:#fff;border:1px solid var(--line)}.btn.ghost{background:transparent;color:#b9dfff;border:1px solid #2a5580}.btn.danger{background:#3a1722;color:#ffdce2}.readiness{text-align:center}.ring{--p:0;width:170px;height:170px;margin:auto;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--green) calc(var(--p)*1%),#1b304d 0);position:relative}.ring:after{content:"";position:absolute;inset:12px;border-radius:50%;background:#0d1b31}.ring div{z-index:1}.ring b{font-size:34px;display:block}.ring small{color:var(--muted)}.readiness p{font-size:12px!important;line-height:1.4!important}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}.grid.four{grid-template-columns:repeat(4,1fr)}.split{display:grid;grid-template-columns:1.1fr .9fr;gap:14px;margin-top:14px}.card{background:var(--panel);border:1px solid var(--line);border-radius:17px;padding:20px}.card h2{margin-top:0}.muted{color:var(--muted)}.big{font-size:34px;font-weight:900}.pill{display:inline-block;font-size:11px;padding:5px 9px;border-radius:999px;background:#152c49;color:#a9d6ff}.pill.soft{margin-left:5px;background:#17243a;color:#a8b8cf}.notice,.callout{padding:14px;border:1px solid #5a4721;background:#2b2413;border-radius:11px;color:#f5d98a;margin-top:16px}.steps{display:grid;grid-template-columns:30px 1fr;gap:13px;align-items:center}.steps b{width:28px;height:28px;border-radius:50%;background:#163c63;display:grid;place-items:center}.skill,.history{display:grid;grid-template-columns:1fr auto;gap:10px;padding:11px 0;border-bottom:1px solid var(--line)}.history{grid-template-columns:100px 1fr 60px}.history strong{text-align:right}.section-title{display:flex;justify-content:space-between;align-items:end;margin:8px 0 16px}.eyebrow{font-size:11px;letter-spacing:1.5px;color:#68b9ff}.scorebadge{font-size:28px;font-weight:900;background:#11345a;border:1px solid #285986;padding:10px 14px;border-radius:14px}.priority{display:grid;grid-template-columns:34px 1fr auto;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}.priority>span{width:30px;height:30px;border-radius:8px;background:#18395b;display:grid;place-items:center}.priority small{display:block;color:var(--muted)}.routine{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.routine div{padding:16px;background:#0b182b;border-radius:12px}.routine b,.routine span{display:block}.routine span{font-size:12px;color:var(--muted);margin-top:5px}.syllabus{display:grid;gap:12px}.topic{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden}.topic-head{padding:16px;display:flex;justify-content:space-between;gap:15px}.topic-body{padding:0 16px 16px}.progress{height:8px;background:#172943;border-radius:999px;overflow:hidden}.progress>i{display:block;height:100%;background:linear-gradient(90deg,#238fff,#54c4ff)}.select{background:#0b182b;color:#fff;border:1px solid var(--line);padding:11px;border-radius:10px}.feature{background:linear-gradient(120deg,#102a4b,#0e1a2f)}.chips{display:flex;flex-wrap:wrap;gap:8px}.chips button,.tools button,.examstatus button{background:#0b182b;border:1px solid var(--line);color:#cfe6ff;border-radius:10px;padding:10px 12px;cursor:pointer}.qwrap{max-width:850px;margin:auto}.qtop{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px}.question{font-size:22px;font-weight:750;line-height:1.45;margin:22px 0}.answers{display:grid;gap:10px}.answer{display:grid;grid-template-columns:34px 1fr;align-items:center;gap:10px;padding:13px 16px;border:1px solid var(--line);border-radius:13px;background:#0b182b;color:#eaf2ff;text-align:left;font-size:16px;cursor:pointer}.answer>span{width:30px;height:30px;border-radius:8px;background:#172a44;display:grid;place-items:center;font-weight:900}.answer:hover{border-color:#3d78ad}.answer.selected{border-color:var(--accent);background:#102c4c}.answer.correct{border-color:var(--green);background:#0e302b}.answer.wrong{border-color:var(--red);background:#381924}.explain,.hint{margin-top:14px;padding:15px;border-left:3px solid var(--accent);background:#0b182b;color:#c7d5e8;border-radius:8px}.hidden{display:none}.tools{display:flex;gap:8px;margin-top:12px}.examnav{display:flex;justify-content:space-between;gap:10px;margin-top:20px}.timer{font-variant-numeric:tabular-nums;font-weight:800}.examstatus{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:18px;color:var(--muted);font-size:13px}.qgrid{display:grid;grid-template-columns:repeat(10,1fr);gap:5px;margin-top:14px}.qgrid button{aspect-ratio:1;border:1px solid var(--line);background:#0b182b;color:var(--muted);border-radius:7px;cursor:pointer}.qgrid button.done{background:#173a5c;color:white}.qgrid button.flag{box-shadow:inset 0 0 0 2px var(--yellow)}.qgrid button.current{outline:2px solid var(--accent)}.result{text-align:center;padding:28px}.score{font-size:70px;font-weight:950}.resultmsg{max-width:650px;margin:10px auto 20px;color:#c7d5e8}.bars{display:grid;gap:12px;text-align:left;margin-top:20px}.barrow{display:grid;grid-template-columns:210px 1fr 55px;gap:12px;align-items:center}.examcards{display:grid;grid-template-columns:1fr 1fr;gap:14px}.errorcard{margin-top:12px}.empty{text-align:center;padding:50px;color:var(--muted)}@media(max-width:800px){.layout{display:block}aside{display:none;position:fixed;z-index:20;top:70px;left:0;bottom:0;width:255px;background:#081322}aside.show{display:block}.icon{display:block;background:transparent;border:1px solid var(--line);color:white;border-radius:9px;padding:8px 11px}.grid,.grid.four,.split,.examcards,.hero,.routine{grid-template-columns:1fr}.readiness{display:none}main{padding:16px}.hero{padding:22px}.barrow{grid-template-columns:1fr 50px}.barrow .progress{grid-row:2;grid-column:1/3}.qgrid{grid-template-columns:repeat(8,1fr)}.brand small{font-size:9px}.section-title{align-items:center}.question{font-size:19px}.answer{font-size:15px}.examnav .btn{padding:11px}.topic-head{align-items:start}}