:root{--bg:#081526;--panel:#11253b;--panel2:#10283e;--text:#f4fbff;--muted:#b6cadd;--cyan:#22d3ee;--indigo:#818cf8;--green:#34d399;--red:#fb7185;--amber:#fbbf24;--line:#2b4962;--radius:20px;color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,'Noto Sans Devanagari','Nirmala UI',Mangal,sans-serif;background:radial-gradient(ellipse at 12% 0,#123453 0,transparent 43%),radial-gradient(ellipse at 88% 35%,#19284c 0,transparent 45%),var(--bg);min-height:100vh;color:var(--text);font-size:16px;line-height:1.6}
button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #65eaff;outline-offset:3px}button:disabled{opacity:.45;cursor:not-allowed}a{color:var(--cyan)}
.shell{width:min(1020px,100%);margin:auto;padding:22px 15px 62px}.hero{padding:23px 24px;border:1px solid #396180;border-radius:24px;background:linear-gradient(125deg,#123552,#15203d 75%);box-shadow:0 24px 65px #0004}.eyebrow{letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);font-size:12px;font-weight:800}.hero h1{font-size:clamp(27px,5vw,43px);margin:7px 0;line-height:1.16;letter-spacing:-.035em}.sub{color:var(--muted);margin:6px 0}.pillrow{display:flex;gap:8px;flex-wrap:wrap;margin-top:15px}.pill{display:inline-block;border:1px solid #37627d;color:#e0f6ff;background:#16344e;border-radius:999px;padding:5px 11px;font-size:12px;font-weight:700}.panel{border:1px solid var(--line);background:linear-gradient(155deg,#132d45,#0e2237);border-radius:var(--radius);padding:22px;margin-top:18px;box-shadow:0 10px 34px #0002}.panel h2{font-size:21px;margin:0 0 17px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field label{display:block;font-size:13px;color:var(--muted);font-weight:800;margin-bottom:8px}.field select,.field input{width:100%;padding:12px 13px;min-height:49px;color:var(--text);background:#071b2c;border:1px solid #49637a;border-radius:11px}.quick{display:flex;flex-wrap:wrap;gap:9px;margin:11px 0 16px}.quick button{background:#0c2136;border:1px solid #44617b;color:#dcecff;border-radius:11px;padding:8px 12px}.quick button.active{border-color:var(--cyan);color:var(--cyan);box-shadow:inset 0 0 0 1px var(--cyan)}.actions{display:flex;gap:11px;flex-wrap:wrap;align-items:center;margin-top:18px}.btn{padding:12px 20px;border-radius:12px;border:1px solid #526d85;background:#183850;color:white;font-weight:800;min-height:45px}.btn.primary{border-color:#27d5e2;background:linear-gradient(120deg,#067e94,#3442ba);color:white}.btn.warning{border-color:#f3bb3f;background:#493b1e}.btn.small{padding:8px 13px;font-size:13px;min-height:38px}.btn.ghost{background:transparent}.notice{padding:13px;border-radius:12px;background:#102f48;color:#d7eefa;border:1px solid #2a6079}.notice strong{color:var(--cyan)}.hidden{display:none!important}.quiztop{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}.metric{font-size:13px;color:var(--muted)}.metric strong{color:white}.timer{font-variant-numeric:tabular-nums;color:var(--amber);font-weight:900;font-size:18px}.bar{height:8px;border-radius:100px;background:#0a1b2b;overflow:hidden;margin:15px 0}.bar>i{display:block;height:100%;background:linear-gradient(90deg,#06b6d4,#6366f1);transition:width .2s}.questiontype{display:inline-block;text-transform:uppercase;font-size:11px;font-weight:900;letter-spacing:.08em;background:#183d57;color:#72e8f3;padding:6px 10px;border-radius:9px}.questiontype.Statements{background:#302a5c;color:#c2b7ff}.questiontype.AssertionReason{background:#45351d;color:#ffd47d}.questiontype.MatrixMatch{background:#164039;color:#82ecd2}.qtext{font-weight:800;font-size:clamp(18px,3vw,23px);white-space:pre-wrap;line-height:1.6;margin:14px 0 19px}.hindi{color:#cde4ee}.qtext.hindi{margin-top:6px;font-weight:650}.answers{display:grid;gap:11px}.answer{border:1px solid #36546e;border-radius:14px;background:#0c2135;color:#e9f7ff;padding:13px;display:flex;gap:12px;text-align:left;line-height:1.55;align-items:flex-start;width:100%;min-height:53px}.answer span.letter{display:grid;place-items:center;flex:none;border:1px solid #53718c;width:28px;height:28px;border-radius:8px;font-weight:900}.answer.selected{border-color:var(--cyan);background:#133a52;box-shadow:inset 0 0 0 1px #22d3ee}.answer.correct{border-color:var(--green);background:#103c35}.answer.incorrect{border-color:var(--red);background:#402739}.answer 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span{font-size:12px;color:var(--muted)}.breakdown{display:grid;gap:8px}.breakrow{display:flex;justify-content:space-between;border-bottom:1px solid #2a4964;padding:8px 0;font-size:14px}.reviewcard{border:1px solid #2c516d;border-radius:17px;padding:16px;margin-top:14px;background:#0e2335}.reviewcard h3{margin:0 0 7px}.correcttxt{color:var(--green)}.wrongtxt{color:var(--red)}.learning{padding:12px;background:#0c2a3e;border-left:3px solid var(--cyan);margin-top:12px;border-radius:6px}.feedback{font-size:14px;margin:8px 0;padding:8px;background:#10283b;border-radius:8px}.mini{color:var(--muted);font-size:12px}.diagram{background:#071d30;border:1px solid #2d5872;border-radius:17px;padding:6px;margin:9px 0 20px;overflow:hidden}.diagram svg{width:100%;max-height:220px;display:block}.diagram svg text{font-family:Inter,Arial,sans-serif;fill:#daf6ff;font-weight:800}.historyrow{border-bottom:1px solid #2c4e68;padding:9px 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