:root{--purple:#5b2a86;--purple-dark:#3f1b60;--purple-soft:#f1eaf8;--gold:#f2b705;--gold-soft:#fff6d6;--ink:#1f1a24;--muted:#6b6475;--line:#e6e0ec;--bg:#faf8fc;--card:#fff;--ok:#1d8a4e;--bad:#c0392b;--radius:12px;color:var(--ink);background:var(--bg);font-family:Noto Sans,Noto Sans Tamil,system-ui,-apple-system,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-height:100vh;margin:0}a{color:var(--purple)}h1,h2,h3{margin:0 0 .5rem;line-height:1.25}p{margin:0 0 .75rem;line-height:1.5}.wrap{max-width:960px;margin:0 auto;padding:0 16px}.topbar{background:var(--purple);color:#fff}.topbar .wrap{justify-content:space-between;align-items:center;gap:12px;height:60px;display:flex}.topbar a{color:#fff;text-decoration:none}.topbar button{color:#fff;background:0 0;border:1px solid #ffffff80}.logo{letter-spacing:.5px;align-items:center;gap:8px;font-weight:800;display:inline-flex}.logo .aim{background:var(--gold);color:var(--purple-dark);border-radius:4px;padding:2px 6px}.logo .hundred{background:var(--purple-dark);color:var(--gold);border-radius:4px;padding:2px 6px}.tagline{opacity:.85;font-size:.8rem}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;display:grid}.stack>*+*{margin-top:14px}.page{padding:24px 0 48px}.muted{color:var(--muted)}.small{font-size:.875rem}.center{text-align:center}label{margin-bottom:6px;font-size:.9rem;font-weight:600;display:block}input,select,textarea{width:100%;font:inherit;border:1px solid var(--line);color:var(--ink);background:#fff;border-radius:8px;padding:10px 12px}input:focus,select:focus,textarea:focus{outline:2px solid var(--purple);outline-offset:1px}.check{align-items:flex-start;gap:10px;font-weight:400;display:flex}.check input{width:auto;margin-top:3px}button,.btn{font:inherit;cursor:pointer;border:1px solid var(--purple);color:var(--purple);background:#fff;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background:var(--purple);color:#fff}.btn-gold{background:var(--gold);border-color:var(--gold);color:var(--purple-dark)}button:disabled{opacity:.6;cursor:not-allowed}.full{width:100%}.tabs{background:var(--purple-soft);border-radius:10px;padding:4px;display:flex}.tabs button{background:0 0;border:none;flex:1}.tabs button.active{background:var(--purple);color:#fff}.hero{background:linear-gradient(160deg, var(--purple) 0%, var(--purple-dark) 100%);color:#fff;padding:48px 0}.hero p{opacity:.9;font-size:1.05rem}.pill{background:var(--gold-soft);color:var(--purple-dark);border-radius:999px;padding:2px 10px;font-size:.8rem;font-weight:600;display:inline-block}.error{color:var(--bad);background:#fdecea;border-radius:8px;padding:10px 12px}.notice{background:var(--gold-soft);border-radius:8px;padding:10px 12px}.big{color:var(--purple);font-size:2rem;font-weight:800}.tile{color:inherit;text-decoration:none;display:block}.tile:hover{border-color:var(--purple)}@media (width<=520px){.tagline{display:none}.hero{padding:32px 0}}.q{padding:16px}.q-head{justify-content:space-between;margin-bottom:6px;display:flex}.q-text{white-space:pre-line;font-size:1.02rem;font-weight:600}.opts{gap:8px;display:grid}.opts.tf{grid-template-columns:1fr 1fr}.opt{text-align:left;border-color:var(--line);color:var(--ink);justify-content:flex-start;font-weight:500}.opt-letter{background:var(--purple-soft);width:26px;height:26px;color:var(--purple);border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:.85rem;font-weight:700;display:inline-flex}.opt.chosen{border-color:var(--purple);background:var(--purple-soft)}.opt.right{border-color:var(--ok);background:#e8f6ee}.opt.wrong{border-color:var(--bad);background:#fdecea}.opt:disabled{opacity:1;cursor:default}.match{gap:8px;display:grid}.match-row{grid-template-columns:1fr 1.2fr;align-items:center;gap:8px;display:grid}.q-ok{border-left:4px solid var(--ok)}.q-part{border-left:4px solid var(--gold)}.q-bad{border-left:4px solid var(--bad)}.reveal{border-top:1px dashed var(--line);gap:4px;margin-top:10px;padding-top:10px;display:grid}.timerbar{z-index:5;background:var(--purple-dark);color:#fff;border-radius:0 0 var(--radius) var(--radius);justify-content:space-between;align-items:center;padding:10px 16px;display:flex;position:sticky;top:0}.timerbar .time{font-variant-numeric:tabular-nums;font-size:1.4rem;font-weight:800}.timerbar .time.low{color:var(--gold)}.subject-head{color:var(--purple);margin-top:24px}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--line);padding:8px 6px;font-size:.92rem}th{color:var(--muted);font-weight:600}.row-actions{flex-wrap:wrap;gap:8px;display:flex}.btn-ok{background:var(--ok);border-color:var(--ok);color:#fff}.btn-bad{border-color:var(--bad);color:var(--bad)}@media print{.topbar,.no-print{display:none!important}body,:root{background:#fff}.card{border:none;padding:0}.print-only{display:block!important}}.print-only{display:none}.edit-q{border-top:1px dashed var(--line);padding-top:12px}.sheet{color:#000;font-family:Nirmala UI,Noto Sans Tamil,Noto Sans,serif;line-height:1.5}.sheet-school{font-size:1.25rem;font-weight:800}.sheet-exam{font-size:1.1rem;font-weight:700}.sheet-meta{justify-content:space-between;margin:8px 0;font-weight:600;display:flex}.sheet-section{break-inside:auto;margin-top:16px}.sheet-section-head{justify-content:space-between;margin-bottom:6px;display:flex}.sheet-q{break-inside:avoid;margin:0 0 10px 12px}.sheet-opts{flex-wrap:wrap;gap:4px 24px;margin-left:18px;display:flex}.sheet-ans{color:#1d5e3a;margin-left:18px;font-style:italic}.match-table{width:auto;margin-left:18px}.match-table td{border:none;padding:2px 24px 2px 0}@media print{.page{padding:0}.sheet{font-size:12pt}.sheet-ans{color:#000}}.subnav{background:var(--purple-dark)}.subnav .wrap{justify-content:flex-start;gap:4px;height:auto;padding-top:6px;padding-bottom:6px;display:flex;overflow-x:auto}.subnav a{color:#fff;opacity:.8;white-space:nowrap;border-radius:999px;padding:6px 12px;font-size:.9rem;text-decoration:none}.subnav a.active{background:var(--gold);color:var(--purple-dark);opacity:1;font-weight:700}@media print{.subnav{display:none}}