:root{color-scheme:light;--slate:#0f172a;--cyan:#06b6d4;--indigo:#4f46e5;--green:#059669;--red:#e11d48;--amber:#f59e0b;--line:#e1e8f3;--muted:#546276;--bg:#f4f8fe}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at top left,#e7f9fe 0,transparent 410px),var(--bg);font-family:system-ui,-apple-system,"Noto Sans Devanagari",Arial,sans-serif;color:var(--slate);line-height:1.5}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.42;cursor:not-allowed}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}.shell{max-width:900px;margin:0 auto;padding:22px 16px 104px}.header{background:linear-gradient(125deg,#0f172a,#20336c 70%,#094d66);color:white;border-radius:24px;padding:23px 24px;display:flex;justify-content:space-between;align-items:center;gap:16px;box-shadow:0 12px 30px #19284d23}.brand{display:flex;align-items:center;gap:14px}.logo{width:52px;height:52px;border:2px solid #67e8f9;color:#67e8f9;display:grid;place-items:center;border-radius:16px;font-size:26px;font-weight:800;flex-shrink:0}.kicker{text-transform:uppercase;letter-spacing:.13em;font-size:.72rem;font-weight:800;color:#a7f3d0}.header h1{margin:3px 0;font-size:clamp(1.1rem,3.5vw,1.65rem);line-height:1.24}.header p{color:#cbd5e1;font-size:.9rem;margin:0}.pill{background:#ffffff14;border:1px solid #ffffff26;padding:8px 11px;border-radius:999px;font-size:.8rem;white-space:nowrap}.lead{margin:22px 0 18px}.lead h2{font-size:clamp(1.36rem,4vw,2rem);line-height:1.2;margin:0 0 8px}.lead p{color:var(--muted);margin:0;max-width:660px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.stat{background:#fff;border:1px solid var(--line);border-radius:17px;padding:16px}.stat strong{font-size:1.45rem;display:block;letter-spacing:-.04em}.stat 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18px;min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:750}.primary{background:var(--indigo);color:white}.secondary{background:#e6eef9;color:#1e3a8a}.danger{background:#fce7f3;color:#9d174d}.subtle{background:transparent;border:1px solid #cbd5e1;color:#243652}.full{width:100%}.actions{display:flex;flex-wrap:wrap;gap:10px}.note{padding:13px 15px;background:#f0f9ff;border-left:4px solid #06b6d4;border-radius:11px;font-size:.91rem;color:#30435c}.small{font-size:.87rem}.muted{color:var(--muted)}.examtop{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap}.progress{height:9px;width:100%;background:#e2e8f0;border-radius:100px;overflow:hidden;margin-top:14px}.progress>div{height:100%;background:linear-gradient(90deg,var(--cyan),var(--indigo));transition:width .2s}.tag{display:inline-block;border-radius:999px;padding:5px 11px;font-size:.73rem;font-weight:800;letter-spacing:.02em;background:#e0f2fe;color:#0369a1}.tag.multi{background:#e0e7ff;color:#3730a3}.tag.assertion{background:#fef3c7;color:#92400e}.tag.matrix{background:#d1fae5;color:#065f46}.timer{font-weight:800;color:#1e40af;font-variant-numeric:tabular-nums}.timer.low{color:var(--red)}.question-title{font-weight:760;font-size:clamp(1.12rem,3.25vw,1.45rem);line-height:1.48;margin:14px 0 7px}.question-hi{margin:0 0 16px;color:#273b5b;font-size:1.03rem;line-height:1.75}.statement{padding:10px 12px;background:#f8fafc;border:1px solid #edf1f8;border-radius:9px;margin:6px 0}.statement-hi{display:block;color:#475569;margin-top:4px}.diagram{display:block;max-width:720px;width:100%;margin:16px auto;border-radius:15px;overflow:hidden}.diagram svg{display:block;width:100%;height:auto}.options{display:grid;gap:10px;margin-top:20px}.option{width:100%;min-height:64px;text-align:left;display:flex;align-items:flex-start;gap:13px;padding:14px;border:2px solid #dbe4f0;border-radius:14px;background:white}.option:hover{border-color:#9ca3ff;background:#fafbff}.option.chosen{border-color:var(--indigo);background:#eff2ff}.letter{background:#edf2fb;border-radius:9px;padding:6px 10px;color:#344563;font-weight:900;min-width:37px;text-align:center}.option.chosen .letter{background:var(--indigo);color:white}.option .o-en{font-weight:600}.option .o-hi{color:#50617a;margin-top:4px}.nav{display:flex;gap:9px;align-items:center;justify-content:space-between;margin-top:20px;flex-wrap:wrap}.palette{display:grid;grid-template-columns:repeat(auto-fill,minmax(46px,1fr));gap:9px;margin:14px 0}.pal{min-height:46px;border-radius:10px;border:1px solid #cbd5e1;background:white;font-weight:800;position:relative}.pal.answered{background:#d1fae5;border-color:#059669}.pal.review{background:#fef3c7;border-color:#d97706}.pal.current{outline:3px solid #6366f1;outline-offset:1px}.pal .flag{position:absolute;right:-2px;top:-7px;font-size:10px;background:#92400e;color:#fff;border-radius:100px;padding:1px 4px}.pal-key{font-size:.78rem;color:var(--muted)}.pal-key span{display:inline-block;margin-right:14px}.pal-key i{display:inline-block;width:11px;height:11px;border-radius:2px;background:#fff;border:1px solid #64748b;margin-right:4px}.pal-key .a{background:#d1fae5}.pal-key .r{background:#fef3c7}.matrix-cols{display:grid;grid-template-columns:1fr 1fr;gap:12px}.matrix-col{border:1px solid #d7e3f1;background:#f8fafc;padding:11px;border-radius:13px}.matrix-row{margin:9px 0;font-size:.9rem;line-height:1.5}.matrix-head{font-weight:800;border-bottom:1px solid #ccd7e5;padding-bottom:8px}.result-hero{background:linear-gradient(130deg,#1e293b,#273b80);color:white;border-radius:22px;padding:28px;text-align:center}.result-hero strong{font-size:clamp(2.3rem,8vw,3.7rem);display:block;line-height:1.2;margin:8px}.score-ring{width:124px;height:124px;border-radius:50%;display:grid;place-items:center;margin:15px auto;background:conic-gradient(#06b6d4 var(--pct),#3d507b 0)}.score-ring>span{width:103px;height:103px;border-radius:50%;display:grid;place-items:center;background:#1e2b50;font-size:1.25rem;font-weight:900}.chartrow{height:18px;display:flex;overflow:hidden;border-radius:999px;background:#e2e8f0;margin:14px 0}.chartrow div{height:100%}.good{color:#047857}.bad{color:#be123c}.neutral{color:#64748b}.reviewcard{border-left:5px solid #cbd5e1}.reviewcard.correct{border-left-color:#059669}.reviewcard.incorrect{border-left-color:#e11d48}.reviewcard.unattempted{border-left-color:#64748b}.reviewoption{border:1px solid #e2e8f0;border-radius:10px;padding:12px;margin-top:8px}.reviewoption.right{background:#e9fbf3;border-color:#a7f3d0}.reviewoption.wrong{background:#fff1f2;border-color:#fecdd3}.explain{background:#f8fafc;border-radius:12px;padding:15px;margin-top:15px}.explain h4{margin:10px 0 6px}.explain p{margin:4px 0 10px}.foot{font-size:.8rem;color:#64748b;margin:28px 0;text-align:center}.hidden{display:none!important}.sticky{position:sticky;bottom:0;padding:10px 0 0;background:linear-gradient(transparent,#f4f8fe 14px);margin-top:18px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}@media(max-width:600px){.shell{padding:10px 10px 74px}.header{padding:17px 15px;border-radius:18px}.header .pill{display:none}.logo{width:43px;height:43px}.card{padding:16px;border-radius:17px}.twocol{grid-template-columns:1fr;gap:0}.grid{gap:8px}.stat{padding:12px}.stat strong{font-size:1.18rem}.stat small{font-size:.72rem}.matrix-cols{grid-template-columns:1fr}.nav .button{flex:1;padding:11px 8px}.option{padding:12px}.question-hi{font-size:1rem}}@media print{.header,.actions,.no-print,.sticky,.foot{display:none!important}body{background:white}.shell{max-width:none}.card{box-shadow:none;border-color:#aaa}}
