:root{
  --bg:#f5f7fb; --card:#fff; --ink:#0f172a; --muted:#5b6476; --line:#e3e8f0;
  --brand:#5B47E0; --brand-ink:#fff; --brand-soft:#efe9fa; --accent:#5B47E0; --accent-soft:#fff1e6;
  --neet:#0f8a5f; --neet-soft:#e3f5ee; --jee:#c2410c; --jee-soft:#fdeee6; --cbse:#1d4ed8; --cbse-soft:#e6eefc;
  --ok:#15803d; --ok-soft:#e6f6ea; --bad:#c62828; --bad-soft:#fdeaea; --mark:#7c3aed; --mark-soft:#f1eafe; --grey:#cbd2dd;
  --radius:14px; --shadow:0 1px 2px rgba(15,23,42,.06),0 4px 14px rgba(15,23,42,.06);
  font-family: system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Noto Sans Devanagari","Nirmala UI",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);-webkit-text-size-adjust:100%}
body{font-size:16px;line-height:1.5;min-height:100vh}
a{color:var(--brand)}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:8px}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 16px;background:#fff;border-top:3px solid var(--accent);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:1.1rem}
.logo{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:var(--brand);color:#fff;font-weight:800}
.brand-logo{display:block;height:40px;width:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.lang{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px}
main{max-width:760px;margin:0 auto;padding:16px 16px 40px}
main:focus{outline:none}
.loading{color:var(--muted);text-align:center;padding:40px 0}
h1{font-size:1.55rem;line-height:1.25;margin:6px 0 6px}
h2{font-size:1.15rem;margin:22px 0 10px}
h3{font-size:1rem;margin:0 0 4px}
.lead{color:var(--muted);margin:0 0 18px}
.muted{color:var(--muted)}
.small{font-size:.86rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin:0 0 12px}
.exam-cards{display:grid;gap:12px;grid-template-columns:1fr 1fr}
@media (max-width:520px){.exam-cards{grid-template-columns:1fr}}
.exam-card{display:block;text-align:left;width:100%;border:2px solid transparent;border-radius:18px;padding:18px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);min-height:118px;position:relative}
.exam-card.neet{background:var(--neet-soft);border-color:#b9e6d3}
.exam-card.jee{background:var(--jee-soft);border-color:#f6cdb6}
.exam-card .name{font-size:1.6rem;font-weight:800;display:block}
.exam-card.neet .name{color:var(--neet)} .exam-card.jee .name{color:var(--jee)}
.exam-card .sub{display:block;color:var(--muted);font-size:.92rem}
.exam-card .sub{padding-right:16px}.exam-card .sub .yr{white-space:nowrap}
@media (max-width:420px){.exam-card .sub{font-size:.86rem}}
.exam-card .count{display:inline-block;margin-top:10px;background:#fff;border-radius:999px;padding:3px 10px;font-size:.85rem;font-weight:600}
.exam-card::after{content:"›";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:2rem;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:48px;padding:10px 18px;border-radius:12px;border:1px solid var(--line);background:#fff;font-weight:700;text-decoration:none;color:var(--ink)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.neet{background:var(--neet);border-color:var(--neet);color:#fff}
.btn.jee{background:var(--jee);border-color:var(--jee);color:#fff}
.btn.danger{color:var(--bad)}
.btn.block{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row.spread{justify-content:space-between}
.paper{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 0;border-top:1px solid var(--line)}
.paper:first-of-type{border-top:0}
.paper .meta{font-size:.88rem;color:var(--muted)}
.badge{display:inline-block;font-size:.75rem;font-weight:700;padding:2px 8px;border-radius:999px;background:#fff7e0;color:#8a5a00;border:1px solid #f1dca0;margin-left:4px;vertical-align:middle}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 12px}
.chip{min-height:44px;padding:8px 16px;border-radius:999px;border:1.5px solid var(--line);background:#fff;font-weight:600}
.chip[aria-pressed="true"]{background:var(--brand-soft);border-color:var(--brand);color:var(--brand)}
.label{font-weight:700;font-size:.9rem;margin-top:6px}
.resume{border-color:#c7d6ff;background:#f3f6ff}
.attempt{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 0;border-top:1px solid var(--line)}
.attempt:first-child{border-top:0}
.attempt .score{font-weight:800;white-space:nowrap}
.note{background:#fff;border-left:4px solid var(--brand);padding:10px 14px;border-radius:8px;color:var(--muted);font-size:.9rem}
/* test screen */
body.testing .topbar{display:none}
body.testing main{padding:0 0 150px;max-width:860px}
.tbar{position:sticky;top:0;z-index:15;background:#fff;border-bottom:1px solid var(--line);padding:8px 12px;display:flex;align-items:center;gap:10px}
.tbar .ttl{flex:1;min-width:0;font-weight:700;font-size:.92rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.timer{font-variant-numeric:tabular-nums;font-weight:800;background:var(--brand-soft);color:var(--brand);padding:6px 10px;border-radius:10px;min-width:84px;text-align:center}
.timer.low{background:var(--bad-soft);color:var(--bad)}
.tbar .btn{min-height:40px;padding:6px 14px}
.subtabs{display:flex;gap:6px;overflow-x:auto;padding:8px 12px;background:#fff;border-bottom:1px solid var(--line);scrollbar-width:none}
.subtabs button{flex:none;border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px;font-weight:600;font-size:.88rem;min-height:38px}
.subtabs button[aria-current="true"]{background:var(--brand);border-color:var(--brand);color:#fff}
.qwrap{padding:12px 14px}
.qhead{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px}
.qnum{font-weight:800;font-size:1.05rem}
.qsrc{font-size:.8rem;color:var(--muted)}
.flag{white-space:nowrap;flex:none;border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;font-weight:600;font-size:.86rem;min-height:40px}
.flag[aria-pressed="true"]{background:var(--mark-soft);border-color:var(--mark);color:var(--mark)}
.qbody{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;overflow-x:auto}
.qbody img{display:block;max-width:100%;height:auto;margin:0 auto;cursor:zoom-in}
.qtext{font-size:1.02rem}
.qtext .katex{font-size:1.05em}
.secnote{font-size:.84rem;color:#8a5a00;background:#fff7e0;border-radius:8px;padding:6px 10px;margin:0 0 8px}
.opts{display:grid;gap:10px;margin-top:12px}
.opts.grid4{grid-template-columns:repeat(4,1fr)}
.opt{display:flex;align-items:center;gap:12px;width:100%;text-align:left;min-height:56px;padding:10px 14px;border:2px solid var(--line);border-radius:12px;background:#fff;font-size:1rem}
.opts.grid4 .opt{justify-content:center;flex-direction:column;gap:2px;padding:8px 4px}
.opt .k{display:grid;place-items:center;flex:none;width:34px;height:34px;border-radius:50%;border:2px solid var(--grey);font-weight:800}
.opt[aria-checked="true"]{border-color:var(--brand);background:var(--brand-soft)}
.opt[aria-checked="true"] .k{background:var(--brand);border-color:var(--brand);color:#fff}
.opt .ot{min-width:0;overflow-x:auto}
.opts.grid4 .opt .ot{font-size:.75rem;color:var(--muted)}
.numin{display:flex;gap:10px;margin-top:12px}
.numin input{flex:1;min-height:56px;font-size:1.3rem;padding:8px 14px;border:2px solid var(--line);border-radius:12px;min-width:0}
.numin input:focus{border-color:var(--brand);outline:none}
.numin .numsign{min-width:56px;min-height:56px;font-size:1.4rem;font-weight:800;color:var(--brand);padding:0 12px;flex:none}
.bbar{position:fixed;left:0;right:0;bottom:0;z-index:16;background:#fff;border-top:1px solid var(--line);padding:8px 10px calc(8px + env(safe-area-inset-bottom));box-shadow:0 -4px 14px rgba(15,23,42,.06)}
.bbar .inner{max-width:860px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr 1.4fr;gap:8px}
.bbar .row2{max-width:860px;margin:8px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.bbar .btn{min-height:48px;padding:8px 6px;font-size:.95rem}
.sheet-bg{position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:40;display:flex;align-items:flex-end;justify-content:center}
.sheet{background:#fff;width:100%;max-width:760px;max-height:88vh;overflow:auto;border-radius:20px 20px 0 0;padding:16px 16px calc(16px + env(safe-area-inset-bottom))}
.sheet.center{border-radius:20px;margin:auto 12px;max-width:440px}
.sheet-bg.mid{align-items:center}
.legend{display:grid;grid-template-columns:1fr 1fr;gap:6px 12px;font-size:.84rem;margin:6px 0 12px}
.legend span{display:flex;align-items:center;gap:6px}
.pal{display:grid;grid-template-columns:repeat(auto-fill,minmax(46px,1fr));gap:8px;margin:6px 0 14px}
.pb{position:relative;height:46px;border-radius:10px;border:1.5px solid var(--grey);background:#fff;font-weight:700;font-size:.92rem}
.pb.ans{background:var(--ok);border-color:var(--ok);color:#fff}
.pb.nans{background:var(--bad-soft);border-color:#f3b3b3;color:var(--bad)}
.pb.mk{background:var(--mark);border-color:var(--mark);color:#fff;border-radius:50%}
.pb.mk.ans::after{content:"";position:absolute;right:2px;bottom:2px;width:11px;height:11px;border-radius:50%;background:#22c55e;border:2px solid #fff}
.pb.cur{outline:3px solid #f59e0b;outline-offset:1px}
.dot{width:16px;height:16px;border-radius:5px;border:1.5px solid var(--grey);display:inline-block;flex:none}
.dot.ans{background:var(--ok);border-color:var(--ok)} .dot.nans{background:var(--bad-soft);border-color:#f3b3b3} .dot.mk{background:var(--mark);border-color:var(--mark);border-radius:50%}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:10px 0}
.stat{background:var(--bg);border-radius:12px;padding:10px;text-align:center}
.stat b{display:block;font-size:1.3rem}
.stat.ok b{color:var(--ok)} .stat.bad b{color:var(--bad)}
.bigscore{text-align:center;padding:8px 0 4px}
.bigscore .n{font-size:2.6rem;font-weight:900;line-height:1.1}
.bigscore .d{color:var(--muted);font-weight:600}
table{width:100%;border-collapse:collapse;font-size:.92rem}
th,td{padding:9px 6px;text-align:right;border-bottom:1px solid var(--line);white-space:nowrap}
@media (max-width:480px){table{font-size:.82rem}th,td{padding:8px 4px}th{font-size:.72rem}}
th:first-child,td:first-child{text-align:left}
th{font-size:.8rem;color:var(--muted);font-weight:700}
.rq{border-left:5px solid var(--grey)}
.rq.correct{border-left-color:var(--ok)} .rq.wrong{border-left-color:var(--bad)} .rq.skipped,.rq.not-counted{border-left-color:var(--grey)}
.verdict{font-weight:800;font-size:.85rem;padding:2px 10px;border-radius:999px}
.verdict.correct{background:var(--ok-soft);color:var(--ok)} .verdict.wrong{background:var(--bad-soft);color:var(--bad)} .verdict.skipped,.verdict.not-counted{background:#eef1f5;color:var(--muted)}
.ans-line{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:10px;font-size:.95rem}
.ans-line b.ok{color:var(--ok)} .ans-line b.bad{color:var(--bad)}
.expl{margin-top:8px;font-size:.9rem;background:var(--bg);border-radius:10px;padding:8px 12px}
.src{margin-top:6px;font-size:.76rem;color:var(--muted);word-break:break-word}
.zoom{position:fixed;inset:0;z-index:60;background:#fff;overflow:auto;padding:52px 8px 20px}
.zoom img{width:200%;max-width:none;height:auto;display:block}
.zoom .btn{position:fixed;top:8px;right:8px}
.toast{position:fixed;left:50%;bottom:150px;transform:translateX(-50%);background:#111827;color:#fff;padding:10px 16px;border-radius:12px;font-size:.92rem;max-width:90vw;z-index:70;opacity:0;pointer-events:none;transition:opacity .2s}
.toast.show{opacity:1}
footer.site{max-width:760px;margin:0 auto;padding:0 16px 30px;color:var(--muted);font-size:.82rem}
@media (min-width:700px){ .qwrap{padding:18px 20px} }

.src summary{cursor:pointer;font-weight:600;min-height:32px;display:flex;align-items:center}

@font-face{font-family:'Baloo 2';font-style:normal;font-weight:600;font-display:swap;src:url(assets/fonts/baloo2-600-devanagari.woff2) format('woff2');unicode-range:U+0900-097F, U+1CD0-1CF4, U+1CF7-1CF9, U+200C-200D, U+20A8, U+20B9, U+20F0, U+25CC, U+A830-A839, U+A8E0-A8FF, U+11B00-11B0A;}
@font-face{font-family:'Baloo 2';font-style:normal;font-weight:600;font-display:swap;src:url(assets/fonts/baloo2-600-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}

/* ---------- Intro splash (shows on every page load) ---------- */
.splash{position:fixed;inset:0;z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;
  padding:24px max(24px,env(safe-area-inset-right)) calc(24px + env(safe-area-inset-bottom)) max(24px,env(safe-area-inset-left));
  background:#fff;background:radial-gradient(120% 80% at 50% 40%,#ffffff 0%,#faf7ff 60%,#f3eefc 100%);
  cursor:pointer;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none;
  animation:splash-out .4s ease-in 1.65s forwards}
.splash-inner{display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center;
  animation:splash-in .55s cubic-bezier(.2,.8,.2,1) both}
.splash-logo{display:block;width:min(70vw,290px);height:auto}
.splash-tag{margin:0;max-width:20em;font-family:"Noto Sans Devanagari","Nirmala UI",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-weight:600;font-size:clamp(17px,4.6vw,22px);line-height:1.35;color:#4a3b6b;letter-spacing:.1px;
  animation:splash-tag .5s ease-out .25s both}
.splash.is-leaving{animation:splash-skip .25s ease-in forwards}
@keyframes splash-skip{to{opacity:0}}
.splash.is-gone{display:none}
@keyframes splash-in{from{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}
@keyframes splash-tag{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@keyframes splash-out{to{opacity:0;visibility:hidden;pointer-events:none}}
@media (prefers-reduced-motion: reduce){
  .splash{animation:splash-out .2s linear .9s forwards}
  .splash-inner{animation:splash-fade .25s linear both}
  .splash-tag{animation:none}
  .splash.is-leaving{animation:splash-skip .15s linear forwards}
}
@keyframes splash-fade{from{opacity:0}to{opacity:1}}

/* Student name and share actions on results */
.name-sheet h2{margin:0 0 16px;color:var(--brand)}
.name-sheet label{display:block;font-weight:700;margin-bottom:8px}
.name-sheet input{width:100%;box-sizing:border-box;border:1px solid var(--line);border-radius:12px;padding:13px 14px;font:inherit;font-size:1.1rem;min-height:48px}
.name-sheet input:focus{outline:2px solid var(--brand);outline-offset:2px}
.name-sheet .btn{margin-top:16px}
.result-name{font-size:1.4rem;font-weight:800;color:var(--brand);overflow-wrap:anywhere;margin:0 0 5px}
.share-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:14px 0 0}
.share-actions .btn{min-width:0;padding:10px 7px;text-align:center;font:inherit;font-weight:700}
.share-actions [hidden]{display:none}
.share-hint{margin:8px 0 24px;line-height:1.4}

.exam-card.cbse{background:var(--cbse-soft);border-color:#c3d4f7}
.exam-card.cbse .name{color:var(--cbse)}
.btn.cbse{background:var(--cbse);border-color:var(--cbse);color:#fff}

.backbtn{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:6px 18px 6px 14px;margin:4px 0 12px;border-radius:999px;border:1.5px solid var(--brand);background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:.95rem;text-decoration:none;-webkit-tap-highlight-color:transparent}
.backbtn:active{background:var(--brand);color:var(--brand-ink)}
.site-foot{margin:22px 0 8px;text-align:center;color:var(--muted);font-size:.82rem;line-height:1.9}
.site-foot a{color:var(--muted);text-decoration:none;padding:6px 4px;display:inline-block}
.site-foot a:active{color:var(--brand)}
.info-page p{margin:0 0 12px;line-height:1.55}
.info-page p:last-child{margin-bottom:0}
.info-page a.mail,.site-foot a.mail{color:var(--brand);text-decoration:underline;padding:6px 0;word-break:break-all}

/* JEE Advanced (purple) */
:root{--jeeadv:#6d28d9;--jeeadv-soft:#f1eafd}
.exam-card.jeeadv{background:var(--jeeadv-soft);border-color:#dacbf7}
.exam-card.jeeadv .name{color:var(--jeeadv)}
.btn.jeeadv{background:var(--jeeadv);border-color:var(--jeeadv);color:#fff}

/* About: "Why SONEXA exists" story */
.story-card{border:1px solid #e4dbf5;border-left:5px solid var(--accent);background:#fff;padding:18px 16px 16px}
.story-card h2{margin:0 0 12px;color:var(--brand);font-size:1.2rem;line-height:1.3}
.story-card p{margin:0 0 12px;line-height:1.6;font-size:1rem}
.story-card p:last-child{margin-bottom:0}
.story-card .story-lead{font-weight:800;font-size:1.08rem;color:var(--brand)}
.story-card .story-sign{font-weight:800;color:var(--brand)}

:root{--nda:#0f766e;--nda-soft:#e2f4f2}
.exam-card.nda{background:var(--nda-soft);border-color:#bfe5e0}
.exam-card.nda .name{color:var(--nda)}
.btn.nda{background:var(--nda);border-color:var(--nda);color:#fff}
@media (min-width:521px){.exam-cards>.exam-card:last-child:nth-child(odd){grid-column:1/-1}}

/* ---------- Challenge a friend ---------- */
.chlink{display:inline-flex;align-items:center;gap:4px;margin-top:6px;padding:4px 0;min-height:32px;border:0;background:none;color:#C2560A;font:inherit;font-size:.86rem;font-weight:700;cursor:pointer}
.chlink:hover{text-decoration:underline}
.bbar .row2.has3{grid-template-columns:1fr 1fr 1fr}
.btn.chtest{color:#C2560A;border-color:#FFC9A1;background:#FFF5EC}
.btn.ch-go{background:#5B47E0;border-color:#5B47E0;color:#fff}
.ch-sheet label{display:block;font-weight:700;margin:6px 0 6px}
.ch-sheet input,.ch-input{width:100%;box-sizing:border-box;min-height:48px;padding:10px 12px;border:1.5px solid var(--line);border-radius:12px;font:inherit;font-size:1rem;background:#fff;color:var(--ink)}
.ch-sheet input:focus,.ch-input:focus{outline:none;border-color:#5B47E0;box-shadow:0 0 0 3px rgba(58,28,113,.15)}
.ch-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:12px 0 8px}
.ch-wa{background:#fff;border-color:#5B47E0;color:#5B47E0}
.ch-linkrow{display:flex;gap:8px}
.ch-linkrow input{flex:1;min-width:0;font-size:.8rem;color:#6D7486;min-height:44px}
.ch-linkrow .btn{min-height:44px;padding:6px 14px}
.ch-note{font-size:.8rem;color:#6D7486;margin:10px 0 0}
.ch-card{border-left:5px solid #5B47E0;background:#fff}
.ch-card h3{margin:0;color:#5B47E0}
.ch-hero{text-align:center;background:#fff;color:var(--ink);border:0}
.ch-hero h1{color:#fff;margin:8px 0 4px;font-size:1.5rem;overflow-wrap:anywhere}
.ch-hero .muted,.ch-hero .small{color:#E4DAF7}
.ch-badge{display:inline-block;background:#E4E4E8;color:#5B47E0;font-weight:800;font-size:.75rem;letter-spacing:.12em;padding:4px 10px;border-radius:999px}
.ch-paper{font-weight:700;margin:4px 0}
.ch-score{margin:12px auto 2px;background:rgba(255,255,255,.1);border-radius:14px;padding:10px}
.ch-score b{font-size:2.2rem;color:#fff}
.ch-score span{font-size:1.1rem;color:#D9CCF2;margin-left:4px}
.vs-card{padding:14px 12px}
.vs-win{text-align:center;font-weight:800;font-size:1.25rem;color:#5B47E0;background:#FBF3DC;border:1.5px solid #E4E4E8;border-radius:14px;padding:10px 8px;margin-bottom:12px;overflow-wrap:anywhere}
.vs-win.tie{background:#F1F2F5;border-color:#6D7486}
.ch-why{display:block;font-size:.8rem;font-weight:600;color:#6D7486}
.vs-cols{display:grid;grid-template-columns:1fr auto 1fr;gap:6px;align-items:stretch}
.vs-mid{align-self:center;font-weight:800;color:#6D7486;font-size:.85rem}
.vs-col{border-radius:14px;padding:10px 8px;text-align:center;border:2px solid transparent;min-width:0}
.vs-col.a{background:#efe9fa}
.vs-col.b{background:#FFF1E6}
.vs-col.a.won{border-color:#5B47E0}
.vs-col.b.won{border-color:#5B47E0}
.vs-name{font-weight:800;font-size:1rem;overflow-wrap:anywhere}
.vs-col.a .vs-name{color:#5B47E0}
.vs-col.b .vs-name{color:#C2560A}
.vs-sub{font-size:.75rem;color:#6D7486;overflow-wrap:anywhere}
.vs-score{font-size:1.7rem;font-weight:800;margin:6px 0;color:var(--ink);line-height:1.1}
.vs-score span{display:block;font-size:.8rem;font-weight:600;color:#6D7486}
.vs-col dl{margin:0;display:grid;gap:4px}
.vs-col dl div{display:flex;justify-content:space-between;gap:4px;font-size:.85rem;background:rgba(255,255,255,.7);border-radius:8px;padding:4px 6px}
.vs-col dt{color:#6D7486}
.vs-col dd{margin:0;font-weight:800}
.vs-col dd.ok{color:var(--ok)}
.vs-col dd.bad{color:var(--bad)}
.vs-legend{display:flex;flex-wrap:wrap;gap:6px 12px;font-size:.8rem;color:#6D7486;margin-bottom:10px}
.vs-legend span{display:inline-flex;align-items:center;gap:5px}
.vs-legend .vs-q{width:14px;height:14px;min-width:0;font-size:0}
.vs-strip{display:grid;grid-template-columns:repeat(auto-fill,minmax(30px,1fr));gap:4px}
.vs-q{display:inline-flex;align-items:center;justify-content:center;height:28px;border-radius:6px;font-size:.7rem;font-weight:700;background:#F1F2F5;color:#6D7486;border:1px solid #E3E5EA}
.vs-q.both{background:#E4E4E8;color:#5B47E0;border-color:#E4E4E8}
.vs-q.a{background:#5B47E0;color:#fff;border-color:#5B47E0}
.vs-q.b{background:#5B47E0;color:#fff;border-color:#5B47E0}

/* Install app card (hidden inside the Android app) */
.app-card{display:flex;align-items:center;gap:14px;margin:14px 0 4px;padding:14px 16px;border-radius:16px;background:#fff;color:var(--ink);text-decoration:none;box-shadow:var(--shadow);border:2px solid #E4E4E8}
.app-card .app-ico{font-size:1.9rem;line-height:1}
.app-card .app-title{display:block;font-weight:800;font-size:1.08rem}
.app-card .app-note{display:block;font-size:.82rem;color:#f3e6c4;margin-top:2px}
.app-card:active{transform:scale(.99)}

/* Question language toggle (EN | हिंदी) */
.qlang-row{display:flex;justify-content:flex-end;align-items:center;gap:8px;margin:2px 0 8px}
.qlang-row.review{justify-content:space-between;margin:4px 0 10px}
.qlang{display:inline-flex;border:1.5px solid #5B47E0;border-radius:999px;overflow:hidden;background:#fff}
.qlang button{appearance:none;border:0;background:transparent;color:#5B47E0;font:inherit;font-size:.85rem;font-weight:700;padding:5px 14px;min-height:32px;cursor:pointer}
.qlang button[aria-pressed="true"]{background:#5B47E0;color:#fff}
.qlang button[data-ql="hi"][aria-pressed="true"]{background:#5B47E0}
.hi-na{font-size:.75rem;color:#6D7486;margin:0 0 6px;text-align:right}
.badge.hi-badge{background:#fff3e8;color:#c45200;border-color:#ffc79a;font-weight:700}

/* Offline mode */
.off-pill{margin-left:auto;margin-right:8px;font-size:.75rem;font-weight:700;color:#fff;background:#6D7486;border-radius:999px;padding:3px 10px;align-self:center}
.off-pill[hidden]{display:none}
.prow-actions{display:flex;flex-wrap:wrap;align-items:center;gap:4px 12px;margin-top:2px}
.offctl{display:inline-flex;align-items:center;gap:8px;font-size:.82rem}
.offsave,.offrm{appearance:none;border:0;background:none;padding:4px 0;font:inherit;font-size:.82rem;font-weight:700;color:#5B47E0;cursor:pointer;text-decoration:underline;text-underline-offset:2px}
.offsave[disabled]{color:#6D7486;text-decoration:none;cursor:default}
.offrm{color:#6D7486;font-weight:600}
.offok{color:#1f8a4c;font-weight:700}
.offprog{display:inline-block;width:90px;height:8px;border-radius:999px;background:#ece8f4;overflow:hidden;vertical-align:middle}
.offprog i{display:block;height:100%;width:0;background:#5B47E0;transition:width .15s}
.offpct{font-size:.78rem;color:#6D7486;font-weight:700;min-width:34px}
.btn.needs-net{background:#eef0f4;color:#6D7486;border-color:#dfe2e8;font-size:.82rem;white-space:nowrap}
.off-card{border-left:4px solid #E4E4E8}

/* ---------- practice tools: My Mistakes / Daily 10 / Practice by chapter (SONEXA colours only) ---------- */
.hdr-link{margin-left:auto;font-size:.82rem;font-weight:700;color:#5B47E0;text-decoration:none;border:1.5px solid #E4E4E8;background:#fff8e6;border-radius:999px;padding:5px 11px;white-space:nowrap}
.off-pill:not([hidden])+.hdr-link{margin-left:0}
.hdr-link:active{transform:scale(.97)}
.tool-cards{display:grid;gap:10px;margin:14px 0 4px}
.tool-card{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:16px;background:#fff;border:2px solid #E4E4E8;color:#5B47E0;text-decoration:none;box-shadow:var(--shadow)}
.tool-card:active{transform:scale(.99)}
.tool-card .tool-ico{font-size:1.8rem;line-height:1}
.tool-card .tool-body{flex:1;min-width:0}
.tool-card .tool-title{display:block;font-weight:800;font-size:1.08rem}
.tool-card .tool-note{display:block;font-size:.84rem;color:#6D7486;margin-top:2px}
.tool-card .tool-go{font-size:1.8rem;color:#6D7486}
.tool-card.daily{background:#fff;border-color:#5B47E0}
.tool-card.chap{background:#fff;border-color:#5B47E0}
.btn.sx{background:#5B47E0;border-color:#5B47E0;color:#fff}
.btn.sx:disabled{background:#6D7486;border-color:#6D7486;opacity:.6}
.mx-stats .stats{grid-template-columns:1fr 1fr}
.mx-stats .btn.block{margin-top:14px}
.mx-exam{margin-top:22px}
.mx-paper{border-top:1px solid var(--line);padding:12px 0}
.mx-paper:first-child{border-top:0;padding-top:0}
.mx-prow{display:flex;justify-content:space-between;align-items:center;gap:10px}
.mx-pbtns{display:flex;flex-direction:column;gap:6px;align-items:stretch;flex:none}
.mx-pbtns .btn{min-height:38px;padding:6px 14px;background:#5B47E0;border-color:#5B47E0;color:#fff}
.mx-view{border:0;background:none;color:#5B47E0;font-weight:700;font-size:.85rem;padding:4px}
.mx-qs{margin-top:10px;display:grid;gap:10px}
.mx-q{border:1px solid var(--line);border-radius:12px;padding:10px;background:#fcfbff}
.mx-q .qbody img{max-width:100%;height:auto}
.mx-qh{margin-bottom:6px}
.mx-ok1{font-size:.75rem;font-weight:700;color:#5B47E0;background:#fff3d6;border-radius:999px;padding:1px 8px}
.mx-mast summary{cursor:pointer;padding:2px 0}
.mx-mrow{display:flex;justify-content:space-between;align-items:center;gap:10px;border-top:1px solid var(--line);padding:10px 0}
.mx-undo{min-height:36px;padding:4px 14px}
.tool-result{border:2px solid #E4E4E8;background:#fffaf0}
.tool-result.daily{border-color:#5B47E0;background:#fff5ec}
.btn.wa{background:#5B47E0;border-color:#5B47E0;color:#fff}
.daily-streak{text-align:center;background:#fff;color:var(--ink);border:2px solid #E4E4E8}
.daily-streak .ds-main{display:flex;align-items:baseline;justify-content:center;gap:8px}
.daily-streak .ds-fire{font-size:2.2rem}
.daily-streak .ds-n{font-size:3rem;font-weight:800;color:#5B47E0;line-height:1}
.daily-streak .ds-l{font-size:1.1rem;font-weight:700}
.daily-streak .ds-best{color:#E4E4E8;font-weight:600;margin-top:4px}
.daily-streak .ds-msg{margin:8px 0 0;color:#f3e6c4}
.daily-today{border:2px solid #5B47E0}
.daily-today .dt-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.daily-today .dt-done{margin:8px 0 12px;color:#5B47E0}
.chap-row{display:flex;justify-content:space-between;align-items:center;gap:10px;border-top:1px solid var(--line);padding:12px 0}
.chap-row:first-child{border-top:0;padding-top:2px}
.chap-info{min-width:0;flex:1}
.chap-name{font-weight:700;color:#5B47E0}
.chap-go{min-height:40px;padding:6px 14px;flex:none}
.chap-sets{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.chap-set{border:1.5px solid #E4E4E8;background:#fffaf0;color:#5B47E0;border-radius:999px;padding:3px 10px;font-size:.78rem;font-weight:700}
.tool-result.chap{border-color:#5B47E0;background:#f6f2fc}
.hdr-ico{margin-left:auto;display:inline-flex;align-items:center;justify-content:center;width:36px;height:34px;border-radius:999px;border:1.5px solid #e3e0ee;background:#fff;text-decoration:none;font-size:1rem}
.off-pill:not([hidden])+.hdr-ico{margin-left:0}
.hdr-ico+.hdr-link{margin-left:6px}
.off-pill:not([hidden])~.hdr-link .hdr-txt{display:none}
.sr-box{display:flex;align-items:center;gap:8px;background:#fff;border:2px solid #5B47E0;border-radius:999px;padding:4px 8px 4px 14px;box-shadow:var(--shadow);margin:4px 0 12px}
.sr-box:focus-within{border-color:#5B47E0}
.sr-box input{flex:1;min-width:0;border:0;outline:0;font-size:1rem;padding:9px 0;background:transparent;color:var(--ink)}
.sr-box input::-webkit-search-cancel-button{display:none}
.sr-ico{font-size:1rem}
.sr-clear{border:0;background:#f1eef7;color:#6D7486;border-radius:999px;width:30px;height:30px;font-weight:700}
.sr-clear[hidden]{display:none}
.sr-chips{margin:4px 0 8px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.sr-chips .chip{flex:none;min-height:38px;padding:6px 14px}
.sr-h{margin:18px 0 8px}
.sr-qs{display:grid;gap:8px;margin:10px 0}
.sr-q{display:block;width:100%;text-align:left;background:#fff;border:1.5px solid var(--line);border-left:4px solid #E4E4E8;border-radius:12px;padding:10px 12px;color:var(--ink);box-shadow:var(--shadow)}
.sr-q:active{transform:scale(.995)}
.sr-q span{display:block}
.sr-qsrc{font-weight:700;color:#5B47E0;font-size:.88rem}
.sr-qch{color:#6D7486;font-size:.8rem;margin:1px 0 4px}
.sr-qtxt{font-size:.9rem;line-height:1.35}
.sr-q mark,.sr-paper mark,.sr-chap mark{background:#ffe2c7;color:#5B47E0;border-radius:3px;padding:0 2px}
.sr-note{margin-top:12px}
.sr-warn{color:#5B47E0;background:#fff8e6;border:1px solid #E4E4E8;border-radius:10px;padding:8px 10px}
.sr-paper .btn{min-height:40px;padding:6px 14px}
.sq-card .opts{margin-top:12px}
.opt.sq-right{border-color:var(--ok);background:var(--ok-soft)}
.opt.sq-wrong{border-color:var(--bad);background:var(--bad-soft)}
.sq-verdict.ok{border:2px solid var(--ok)}
.sq-verdict.bad{border:2px solid #5B47E0}
.sq-verdict .expl{margin-top:6px}
.sq-h{margin-bottom:2px}
/* bottom tab bar */
.bnav{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;justify-content:space-around;align-items:stretch;background:#fff;border-top:1px solid #e3e0ee;box-shadow:0 -2px 10px rgba(58,28,113,.06);padding:4px 4px calc(4px + env(safe-area-inset-bottom))}
.bnav[hidden]{display:none}
.bn-tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;min-height:52px;padding:4px 2px;text-decoration:none;color:#6D7486;border-radius:12px;-webkit-tap-highlight-color:transparent}
.bn-tab .bn-ico{position:relative;font-size:1.32rem;line-height:1.2;filter:grayscale(.85);opacity:.8}
.bn-tab .bn-l{font-size:.7rem;font-weight:700;letter-spacing:.01em}
.bn-tab.on{color:#5B47E0}
.bn-tab.on .bn-ico{filter:none;opacity:1}
.bn-tab.on::before{content:"";position:absolute;top:-5px;left:50%;transform:translateX(-50%);width:30px;height:3px;border-radius:0 0 3px 3px;background:#5B47E0}
.bn-tab{position:relative}
.bn-badge{position:absolute;top:-4px;left:62%;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:#5B47E0;color:#fff;font-size:.62rem;font-weight:800;line-height:18px;text-align:center;font-style:normal;border:2px solid #fff;filter:none}
.bn-dot{position:absolute;top:0;right:-4px;width:9px;height:9px;border-radius:50%;background:#5B47E0;border:2px solid #fff}
body:not(.testing) main{padding-bottom:calc(84px + env(safe-area-inset-bottom))}
body.testing .bnav{display:none}
@media (min-width:761px){.bnav{justify-content:center;gap:8px}.bn-tab{flex:0 0 110px}}
/* feedback */
.fb-foot{border:1.5px solid #E4E4E8;background:#fff8e6;color:#5B47E0;font-weight:700;border-radius:999px;padding:6px 14px;margin-bottom:8px}
.fb-q{display:block;margin:10px 0 0 auto;border:0;background:none;color:#6D7486;font-size:.8rem;font-weight:600;text-decoration:underline;padding:4px 0}
.fb-test{display:flex;justify-content:space-between;align-items:center;width:100%;margin:0 0 12px;padding:12px 14px;border-radius:14px;border:1.5px dashed #E4E4E8;background:#fffaf0;color:#5B47E0;font-weight:700;font-size:.95rem}
.fb-test-go{color:#5B47E0;font-size:.88rem}
.fb-sheet{max-height:92vh;overflow:auto}
.fb-sheet h2{margin:0 0 2px}
.fb-where{margin:0 0 6px}
.fb-stars{display:flex;align-items:center;gap:2px;margin:6px 0 4px}
.fb-star{border:0;background:none;font-size:1.9rem;line-height:1;color:#d9d4e6;padding:2px 3px}
.fb-star.on{color:#E4E4E8}
.fb-opt{margin-left:6px}
.fb-chips{margin:6px 0}
.fb-chips .chip{min-height:34px;padding:4px 10px;font-size:.8rem}
.fb-sheet label{display:block;font-weight:700;font-size:.85rem;margin:8px 0 4px}
.fb-sheet textarea,.fb-sheet input{width:100%;box-sizing:border-box;border:1.5px solid var(--line);border-radius:10px;padding:10px;font:inherit;font-size:1rem}
.fb-sheet textarea:focus,.fb-sheet input:focus{outline:none;border-color:#5B47E0}
.fb-two{display:grid;grid-template-columns:1fr 1fr;gap:8px}
@media (max-width:420px){.fb-two{grid-template-columns:1fr}}
.fb-err{color:#c62828;margin:6px 0 0}
.fb-sheet .row{margin-top:12px}
.fb-done{text-align:center;padding:8px 0}
.fb-done-ico{font-size:2.4rem}
.sx-upd{position:fixed;left:50%;top:8px;transform:translateX(-50%);z-index:80;border:0;border-radius:999px;background:#5B47E0;color:#fff;font-weight:700;font-size:.82rem;padding:8px 14px;box-shadow:0 4px 14px rgba(58,28,113,.3)}
.seo-static{margin-top:12px}.seo-static h1{font-size:1.2rem}
.seo-intro a{color:#5B47E0;font-weight:700}

/* ---------- 🎁 Invite friends (SONEXA colours only) ---------- */
.hdr-invite{font:inherit;font-size:.84rem;font-weight:800;cursor:pointer;background:#5B47E0;border-color:#5B47E0;color:#5B47E0;display:inline-flex;align-items:center;gap:5px;min-height:34px;padding:5px 13px}
.hdr-invite+.lang{margin-left:0}
body.testing .hdr-invite{display:none}
.invite-card{display:flex;align-items:center;gap:12px;width:100%;text-align:left;font:inherit;cursor:pointer;padding:14px 16px;border-radius:16px;background:#fff;border:2px solid #E4E4E8;color:var(--ink);box-shadow:var(--shadow)}
.invite-card:active{transform:scale(.99)}
.invite-card .inv-cico{font-size:1.8rem;line-height:1}
.invite-card .tool-body{flex:1;min-width:0}
.invite-card .tool-title{display:block;font-weight:800;font-size:1.08rem;color:#fff}
.invite-card .tool-note{display:block;font-size:.84rem;color:#f3e6c4;margin-top:2px}
.invite-card .inv-go{background:#5B47E0;color:#5B47E0;font-weight:800;border-radius:999px;padding:7px 14px;font-size:.9rem;white-space:nowrap}
.inv-head{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.inv-head h2{margin:0;color:#5B47E0}
.inv-head p{margin:2px 0 0}
.inv-ico{font-size:2rem;line-height:1;background:#fff8e6;border:2px solid #E4E4E8;border-radius:14px;padding:6px 8px}
.inv-intro{color:#6D7486;margin:6px 0 10px}
.inv-msg{background:#f6f3fb;border-left:4px solid #E4E4E8;border-radius:10px;padding:10px 12px;font-size:.85rem;color:#5B47E0;margin:0 0 12px;overflow-wrap:anywhere}
.inv-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:10px 0}
.btn.inv-wa{background:#5B47E0;border-color:#5B47E0;color:#5B47E0;font-weight:800}
.btn.inv-alt{background:#fff;border-color:#5B47E0;color:#5B47E0;font:inherit;font-weight:700;cursor:pointer}
.site-foot .fb-foot{cursor:pointer;font:inherit;font-weight:700}

/* State Boards (purple #5B47E0 / orange #5B47E0 / gold #E4E4E8 / grey #6D7486) */
:root{--state:#5B47E0;--state-soft:#f6efe0}
.exam-card.state{background:var(--state-soft);border-color:#E4E4E8}
.exam-card.state .name{color:var(--state)}
.btn.state{background:var(--state);border-color:var(--state);color:#fff}
.state-chips{margin-bottom:6px}
.state-h{scroll-margin-top:12px;color:#5B47E0;border-left:5px solid #5B47E0;padding-left:10px;margin-top:22px}
.state-h .state-n{display:block;font-size:.8rem;font-weight:600;color:#6D7486}
.state-cls{margin:0 0 4px;font-size:1rem;color:#6D7486}
.kind-tag{display:inline-block;border-radius:999px;padding:1px 8px;font-size:.75rem;font-weight:700;margin-right:4px}
.kind-tag.bd{background:#5B47E0;color:#fff}
.kind-tag.mp{background:#fbecc4;color:#5b4300}

/* Practice (NCERT-based) question bank */
.seg{display:flex;border:1.5px solid #5B47E0;border-radius:12px;overflow:hidden;background:#fff;margin:4px 0 12px}
.seg button{flex:1;appearance:none;border:0;background:#fff;color:#5B47E0;font:inherit;font-weight:700;font-size:.88rem;padding:10px 6px;min-height:44px;cursor:pointer}
.seg button+button{border-left:1.5px solid #5B47E0}
.seg button[aria-selected="true"]{background:#5B47E0;color:#fff}
.px-new{display:inline-block;font-size:.62rem;font-weight:800;letter-spacing:.04em;background:#5B47E0;color:#fff;border-radius:6px;padding:1px 5px;vertical-align:2px;margin-left:2px}
.px-tag{display:inline-block;font-size:.66rem;font-weight:800;color:#5B47E0;background:#fdf6e3;border:1px solid #E4E4E8;border-radius:6px;padding:0 6px;vertical-align:1px}
.px-credit{font-size:.74rem;color:#6D7486;margin:8px 0 0;font-style:italic}
.chap-row .chap-px{display:inline-block;margin-top:6px;border:1.5px dashed #5B47E0;background:#fff7f0;color:#5B47E0;border-radius:999px;padding:3px 10px;font-size:.76rem;font-weight:700;cursor:pointer}

/* exam page tabs (Sample | Previous Year | Chapter PYQ | Chapter Practice) */
.ex-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:6px 0 14px}
.ex-tabs button{appearance:none;display:flex;align-items:center;gap:8px;text-align:left;border:1.5px solid #5B47E0;background:#fff;color:#5B47E0;font:inherit;font-weight:700;font-size:.86rem;line-height:1.2;padding:10px;min-height:48px;border-radius:12px;cursor:pointer}
.ex-tabs button[aria-selected="true"]{background:#5B47E0;color:#fff;box-shadow:0 2px 0 #5B47E0}
.ex-tabs .ex-n{flex:none;display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:#5B47E0;color:#fff;font-size:.78rem}
.ex-tabs button[aria-selected="true"] .ex-n{background:#E4E4E8;color:#5B47E0}

/* ✨ AI Tools */
.tool-card.ai-home{border-color:#5B47E0;background:#fff}
.ai-grid{display:grid;gap:10px;margin:12px 0}
.ai-card{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:16px;background:#fff;border:2px solid #5B47E0;color:#5B47E0;text-decoration:none}
.ai-card:active{transform:scale(.99)}
.ai-card .ai-ico{font-size:1.7rem;line-height:1}
.ai-card .tool-body{flex:1;min-width:0}.ai-card .tool-title{display:block;font-weight:800;font-size:1.05rem}.ai-card .tool-note{display:block;font-size:.84rem;color:#6D7486;margin-top:2px}.ai-card .tool-go{font-size:1.6rem;color:#5B47E0}
.ai-bar{height:8px;background:#eee;border-radius:99px;overflow:hidden;margin-top:6px;max-width:220px}.ai-bar i{display:block;height:100%}
.ai-acc{display:flex;flex-direction:column;align-items:flex-end;gap:6px}.ai-acc b{color:#5B47E0;font-size:1.05rem}
.ai-form{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:10px 0}.ai-form label{display:flex;flex-direction:column;font-size:.82rem;font-weight:700;color:#5B47E0;gap:4px}
.ai-form input{font:inherit;padding:9px 10px;border:1.5px solid #6D7486;border-radius:10px;min-height:44px;background:#fff}
.ai-checks{display:grid;gap:4px;margin:4px 0 8px}.ai-checks label{display:flex;gap:8px;align-items:center;font-size:.9rem;padding:6px 4px;border-bottom:1px solid #f0eef5}
.ai-checks input{width:20px;height:20px;accent-color:#5B47E0;flex:none}
.ai-done summary{cursor:pointer;font-weight:700;color:#5B47E0;padding:8px 0}
.ai-plan .ai-day{padding:8px 0;border-bottom:1px solid #f0eef5}.ai-plan .ai-day b{color:#5B47E0}.ai-plan ul{margin:4px 0 0;padding-left:20px;font-size:.9rem}
@media print{.topbar,#bnav,.backbtn,.site-foot,#plGo,#plPrint,.card:not(.ai-plan),.chips,.label,.note,.muted{display:none!important}.ai-plan{display:block!important;border:0}}

/* 🧠 Brain Teasers */
.tool-card.brain-home{border-color:#5B47E0}
.bt-pod{border:2px solid #E4E4E8}
.bt-opts{display:grid;gap:8px;margin-top:10px}
.bt-opt{appearance:none;text-align:left;font:inherit;font-size:.92rem;padding:10px 12px;border:1.5px solid #6D7486;border-radius:12px;background:#fff;color:inherit;min-height:44px;cursor:pointer}
.bt-opt.ok{border-color:#2e9e5b;background:#eaf7ef;font-weight:700}.bt-opt.bad{border-color:#d64545;background:#fdecec}
.bt-timer{display:flex;gap:8px;align-items:center;margin:10px 0;font-size:.9rem}.bt-timer input{width:20px;height:20px;accent-color:#5B47E0}

/* ===================== SONEXA design B (Oct 30 2026): purple header, white rounded cards, orange CTAs, gold only for streak/best ===================== */
@font-face{font-family:"Manrope";src:url(assets/fonts/manrope-latin.woff2) format("woff2");font-weight:200 800;font-display:swap}
:root{
  --purple:#5B47E0;--purple-700:#4836C4;--purple-500:#4836C4;--purple-50:#F2EEFA;--purple-100:#E3DAF4;
  --orange:#5B47E0;--orange-600:#4836C4;--orange-50:#FFF0E5;--gold:#E4E4E8;--gold-50:#FCF5E2;--gold-ink:#6E500A;
  --bg:#F5F3FA;--card:#fff;--ink:#1A1530;--ink-2:#3E3A52;--muted:#6D7486;--line:#ECE9F3;--grey:#CFCADC;
  --brand:#5B47E0;--brand-soft:#F2EEFA;--accent:#5B47E0;--accent-soft:#FFF0E5;
  --neet:#5B47E0;--neet-soft:#F2EEFA;--jee:#5B47E0;--jee-soft:#F2EEFA;--cbse:#5B47E0;--cbse-soft:#F2EEFA;--jeeadv:#5B47E0;--jeeadv-soft:#F2EEFA;--nda:#5B47E0;--nda-soft:#F2EEFA;--state:#5B47E0;--state-soft:#F2EEFA;
  --mark:#4836C4;--mark-soft:#FFF0E5;
  --radius:18px;--r-md:14px;--r-lg:20px;
  --shadow:0 2px 10px -2px rgba(58,28,113,.10);--sh-card:0 10px 30px -12px rgba(58,28,113,.25),0 2px 6px rgba(26,21,48,.05);
  --hero:radial-gradient(120% 90% at 100% 0%,rgba(255,122,26,.30) 0%,rgba(255,122,26,0) 45%),linear-gradient(160deg,#4836C4 0%,#5B47E0 55%,#4836C4 100%);
  --cta:linear-gradient(180deg,#5B47E0 0%,#4836C4 100%);
  font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Noto Sans Devanagari","Nirmala UI",sans-serif;
}
html,body{background:var(--bg);color:var(--ink)}
body{overflow-x:clip;-webkit-font-smoothing:antialiased;font-size:15.5px}
button,input,select,textarea{font-family:inherit}
a{color:var(--purple)}
h1,h2,h3{color:var(--ink);letter-spacing:-.01em;font-weight:800}
h1{font-size:1.5rem} h2{font-size:1.1rem}
.lead,.muted{color:var(--muted)}
.ic{width:1.15em;height:1.15em;flex:none;display:inline-block;vertical-align:-.2em;stroke-width:2}
.ic.gold,.gold-t .ic{color:var(--gold)}
.gold-t{color:var(--gold-ink);font-weight:800;white-space:nowrap}
h1 .ic,h2 .ic,h3 .ic,b .ic{margin-right:6px;color:var(--orange)}
.btn .ic,.chlink .ic,.flag .ic,.fb-q .ic,.fb-foot .ic,.site-foot a .ic{margin-right:4px}
a .ic{margin-right:4px}
/* top bar */
.topbar{background:var(--hero);background-attachment:fixed;border:0;color:#fff;padding:10px 16px;box-shadow:none}
.brand-logo{height:34px}
.hdr-link,.hdr-link.hdr-ai{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 13px 0 11px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#fff;font-size:.82rem}
.hdr-link .ic{width:16px;height:16px;margin:0;color:#9A9AA4}
.lang{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#fff}
.off-pill{background:rgba(255,255,255,.14)!important;color:#fff!important;border-color:rgba(255,255,255,.25)!important}
/* home hero */
.hx-hero,.pg-hero{position:relative;margin:-16px calc(50% - 50vw) 0;padding:6px max(16px,calc(50vw - 364px)) 60px;background:var(--hero);color:#fff;border-radius:0 0 28px 28px}
.hx-hero h1,.pg-hero h1{color:#fff}
.hx-kicker{margin:6px 0 0;font-size:.84rem;font-weight:600;color:#D8CCF0}
.hx-h1{font-size:1.7rem;line-height:1.2;font-weight:800;letter-spacing:-.02em;margin:4px 0 0}
.hx-streak{display:inline-flex;align-items:center;gap:6px;margin-top:14px;height:30px;padding:0 12px 0 9px;border-radius:999px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.2);color:#EDE6FA;font-size:.78rem;font-weight:700}
.hx-streak .ic{width:16px;height:16px;color:#9A9AA4}
.hx-streak.on{background:rgba(224,178,58,.16);border-color:rgba(224,178,58,.45);color:#F4D78A}
.hx-streak.on .ic{color:var(--gold);fill:rgba(224,178,58,.35)}
.hx-stats{display:flex;gap:22px;margin:16px 0 14px}
.hx-stats b{display:block;font-size:1.15rem;font-weight:800;line-height:1.2}
.hx-stats span{font-size:.72rem;color:#CFC2EA;font-weight:600}
.hx-hero .sr-box{margin:0;border:0;background:#fff;box-shadow:0 8px 22px -10px rgba(0,0,0,.35)}
.hx-hero .sr-box:focus-within{box-shadow:0 0 0 3px rgba(255,122,26,.45)}
.sr-box{border:1.5px solid var(--line);border-radius:16px;padding:4px 8px 4px 14px;box-shadow:var(--shadow)}
.sr-box:focus-within{border-color:var(--orange)}
.sr-ico{display:grid;place-items:center;color:var(--purple)}
.sr-ico .ic{width:18px;height:18px}
.hx-hero + #srRes:not(:empty){position:relative;margin:-30px -16px 0;padding:14px 16px 2px;background:var(--bg);border-radius:22px 22px 0 0}
.home-rest{position:relative;margin-top:-40px}
.home-rest>.card:first-child,.home-rest>.hx-daily:first-child{box-shadow:var(--sh-card)}
.hx-daily{display:block;background:#fff;border-radius:var(--r-lg);padding:16px;box-shadow:var(--sh-card);text-decoration:none;color:var(--ink);margin:0 0 4px}
.hx-dh{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.hx-di{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:var(--orange-50);color:var(--orange);flex:none}
.hx-di .ic{width:22px;height:22px}
.hx-dt{flex:1;min-width:0}
.hx-dt b{display:block;font-size:1.05rem;font-weight:800}
.hx-dt span{display:block;font-size:.8rem;color:var(--muted);font-weight:500}
.hx-best{display:inline-flex;align-items:center;gap:3px;height:28px;padding:0 10px;border-radius:999px;background:var(--gold-50);border:1px solid #F0DDA6;color:var(--gold-ink);font-weight:800;font-size:.85rem}
.hx-best .ic{width:15px;height:15px;color:var(--gold)}
.cta{height:46px;border-radius:var(--r-md);background:var(--cta);color:#fff;font-weight:800;font-size:.95rem;display:flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 6px 16px -6px rgba(236,98,8,.6)}
.cta .ic{width:18px;height:18px}
.hx-quick{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:20px 0 4px}
.hx-quick a{display:flex;flex-direction:column;align-items:center;gap:8px;font-size:.76rem;font-weight:700;color:var(--ink-2);text-align:center;line-height:1.2;text-decoration:none}
.hx-quick .qi{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;background:#fff;color:var(--purple);box-shadow:var(--shadow);border:1px solid var(--line)}
.hx-quick .qi.hot{background:var(--purple);color:#fff;border-color:var(--purple)}
.hx-quick .qi .ic{width:24px;height:24px}
.sec-h{margin:26px 0 4px;font-size:1.1rem}
/* exam cards (home) */
.exam-cards{grid-template-columns:1fr 1fr;gap:10px}
.exam-card,.exam-card.neet,.exam-card.jee,.exam-card.jeeadv,.exam-card.cbse,.exam-card.nda,.exam-card.state{display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:14px;min-height:0;box-shadow:var(--shadow);color:var(--ink)}
.exam-card::after{content:none}
.exam-card .xi{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--purple-50);color:var(--purple);margin-bottom:2px}
.exam-card .xi .ic{width:22px;height:22px}
.exam-card .name,.exam-card.neet .name,.exam-card.jee .name,.exam-card.jeeadv .name,.exam-card.cbse .name,.exam-card.nda .name,.exam-card.state .name{font-size:1rem;font-weight:800;color:var(--ink);line-height:1.2}
.exam-card .sub{font-size:.74rem;line-height:1.35;padding-right:0;color:var(--muted);flex:1}
.exam-card .count{margin-top:4px;background:none;padding:0;border-radius:0;font-size:.78rem;font-weight:800;color:var(--purple);display:flex;align-items:center;justify-content:space-between}
.exam-card .count::after{content:"";width:16px;height:16px;background:var(--orange);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14'/%3E%3Cpath d='m12 5 7 7-7 7'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14'/%3E%3Cpath d='m12 5 7 7-7 7'/%3E%3C/svg%3E") center/contain no-repeat}
@media (max-width:340px){.exam-cards{grid-template-columns:1fr}}
@media (min-width:700px){.exam-cards{grid-template-columns:repeat(3,1fr)}}
/* cards & controls */
.card{border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.btn{border-radius:var(--r-md);border:1.5px solid var(--purple-100);color:var(--purple);font-weight:800;background:#fff}
.btn.primary,.btn.neet,.btn.jee,.btn.jeeadv,.btn.cbse,.btn.nda,.btn.state,.btn.sx{background:var(--cta);border:0;color:#fff;box-shadow:0 6px 16px -8px rgba(236,98,8,.65)}
.btn.sx:disabled,.btn.primary:disabled{background:#B9B4C8;box-shadow:none}
.btn.wa{background:var(--purple);border-color:var(--purple);color:#fff}
.btn.danger{color:var(--orange-600);border-color:#FFD2B0}
.chip{border:1.5px solid var(--line);background:#fff;color:var(--ink-2);font-weight:700}
.chip[aria-pressed="true"]{background:var(--purple);border-color:var(--purple);color:#fff}
.chip[aria-pressed="true"] .muted{color:#D8CCF0}
.badge{background:var(--purple-50);color:var(--purple);border-color:var(--purple-100)}
.note{border-left-color:var(--orange);border-radius:12px;background:#fff}
.resume{border-color:var(--purple-100);background:#fff}
.backbtn{min-height:36px;padding:4px 14px 4px 8px;margin:6px 0 10px;border-radius:999px;border:1px solid rgba(58,28,113,.14);background:#fff;color:var(--purple);gap:4px;font-size:.9rem}
.backbtn .ic{width:18px;height:18px;margin:0}
.pg-hero{padding-bottom:22px;margin-bottom:16px}
.pg-hero .backbtn{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.22);color:#fff}
.pg-hero h1{font-size:1.45rem;margin:2px 0 4px;display:flex;align-items:center;gap:2px}
.pg-hero h1 .ic{color:#9A9AA4}
.pg-hero>p,.pg-hero>p.muted{color:#D8CCF0!important;margin:0 0 2px}
.pg-hero a{color:#fff}
/* exam page */
.ex-hero{padding-bottom:70px;margin-bottom:0}
.xhead{display:flex;gap:14px;align-items:center;margin-top:4px}
.xhead .xi{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2);flex:none}
.xhead .xi .ic{width:26px;height:26px;color:#fff}
.xhead h1{font-size:1.5rem;margin:0}
.xhead p{margin:0;font-size:.84rem;color:#D8CCF0;font-weight:600}
.hchips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.hchip{min-height:28px;padding:3px 10px;border-radius:999px;font-size:.76rem;font-weight:700;display:inline-flex;align-items:center;gap:5px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);color:#fff}
.hchip .ic{width:14px;height:14px;color:#9A9AA4}
.ex-tabs{position:relative;gap:10px;margin:4px 0 16px}
.ex-hero + .ex-tabs{margin-top:-56px}
.ex-tabs button{background:#fff;border:1.5px solid transparent;border-radius:var(--r-md);padding:12px;box-shadow:var(--sh-card);color:var(--ink);gap:10px;min-height:64px}
.ex-tabs .ex-n,.ex-tabs button[aria-selected="true"] .ex-n{width:34px;height:34px;border-radius:10px;background:var(--purple-50);color:var(--purple)}
.ex-tabs .ex-n .ic{width:18px;height:18px}
.ex-tabs .ex-l{min-width:0}
.ex-tabs .ex-l b{display:block;font-size:.82rem;font-weight:800;line-height:1.2}
.ex-tabs .ex-l span{display:block;font-size:.7rem;color:var(--muted);font-weight:600;margin-top:2px}
.ex-tabs button[aria-selected="true"]{background:#fff;color:var(--purple);border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,122,26,.16),var(--sh-card)}
.ex-tabs button[aria-selected="true"] .ex-n{background:var(--orange);color:#fff}
.paper{border-top:1px solid var(--line)}
.paper .meta{color:var(--muted)}
.chlink{color:var(--purple)!important;border-color:var(--purple-100)!important;background:var(--purple-50)!important}
.chlink .ic{width:14px;height:14px}
/* tool cards */
.tool-card,.tool-card.daily,.tool-card.chap,.ai-card,.tool-card.ai-home,.tool-card.brain-home,.tool-card.mx{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);color:var(--ink);box-shadow:var(--shadow)}
.tool-card .tool-ico,.ai-card .ai-ico{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:var(--purple-50);color:var(--purple);flex:none;font-size:1rem}
.tool-card .tool-ico .ic,.ai-card .ai-ico .ic{width:22px;height:22px}
.tool-card.ai-home .tool-ico{background:var(--purple);color:#fff}
.tool-card.daily .tool-ico{background:var(--orange-50);color:var(--orange)}
.tool-card .tool-title,.ai-card .tool-title{color:var(--ink);font-size:1rem}
.tool-card .tool-go,.ai-card .tool-go{display:grid;place-items:center;color:var(--orange);font-size:1rem}
.tool-card .tool-go .ic,.ai-card .tool-go .ic{width:20px;height:20px}
.app-card,.invite-card{background:var(--hero);border:0;border-radius:var(--r-lg);box-shadow:var(--sh-card)}
.app-card .app-ico,.invite-card .inv-cico{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:1rem;flex:none}
.app-card .app-ico .ic,.invite-card .inv-cico .ic{width:22px;height:22px}
.app-card .app-note,.invite-card .tool-note{color:#D8CCF0}
.invite-card .inv-go{background:var(--cta);color:#fff}
.tool-result{border-color:var(--line)}
/* bottom nav */
.bnav{background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px -10px rgba(58,28,113,.15);padding:6px 8px calc(8px + env(safe-area-inset-bottom));gap:4px}
.bn-tab{color:var(--muted);border-radius:14px;min-height:54px;max-width:96px}
.bn-tab .bn-ico{filter:none;opacity:1;font-size:1rem;display:grid;place-items:center}
.bn-tab .bn-ico .ic{width:22px;height:22px}
.bn-tab.on{color:var(--purple);background:var(--purple-50)}
.bn-tab.on::before{content:none}
.bn-badge{background:var(--orange)!important;color:#fff!important}
.bn-dot{background:var(--orange)!important}
/* test screen */
.tbar{background:var(--hero);border:0;color:#fff;padding:10px 12px}
.tbar .ttl{color:#fff}
.timer{background:#fff;color:var(--purple);border-radius:999px;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-width:96px;height:36px;padding:0 12px}
.timer::before{content:"";width:16px;height:16px;flex:none;background:var(--orange);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpolyline points='12 6 12 12 16 14'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpolyline points='12 6 12 12 16 14'/%3E%3C/svg%3E") center/contain no-repeat}
.timer.low{background:var(--orange-50);color:var(--orange-600);box-shadow:0 0 0 2px var(--orange)}
.subtabs{background:#2E1660;border:0;padding:6px 12px 10px}
.subtabs button{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);color:#E4DAF5;border-radius:10px}
.subtabs button[aria-current="true"]{background:#fff;color:var(--purple);border-color:#fff}
.qwrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);margin:14px 12px 0}
.qnum{color:var(--purple);font-weight:800}
.qtext{font-weight:600;line-height:1.55}
.flag{border:1.5px solid var(--purple-100);color:var(--purple);display:inline-flex;align-items:center}
.flag[aria-pressed="true"]{background:var(--orange-50);border-color:var(--orange);color:var(--orange-600)}
.opt{border:1.5px solid var(--line);border-radius:var(--r-md);font-weight:600;box-shadow:0 1px 2px rgba(26,21,48,.03)}
.opt .k{width:32px;height:32px;border:0;background:var(--purple-50);color:var(--purple);font-size:.88rem}
.opt[aria-checked="true"]{border-color:var(--purple);background:#FAF8FE;box-shadow:0 0 0 3px rgba(58,28,113,.08)}
.opt[aria-checked="true"] .k{background:var(--purple);color:#fff}
.bbar{border-top:1px solid var(--line);box-shadow:0 -6px 20px -10px rgba(58,28,113,.18)}
.bbar .btn{display:inline-flex;align-items:center;justify-content:center;gap:4px}
.bbar .btn .ic{width:17px;height:17px;margin:0}
#markBtn[aria-pressed="true"]{background:var(--orange-50);border-color:var(--orange);color:var(--orange-600)}
.pb{border:1.5px solid var(--line);color:var(--muted);border-radius:10px}
.pb.ans{background:var(--purple);border-color:var(--purple);color:#fff}
.pb.nans{background:#fff;border:2px solid #FFC59B;color:var(--orange-600)}
.pb.mk{background:var(--orange);border-color:var(--orange);color:#fff}
.pb.mk.ans::after{background:var(--purple)}
.pb.cur{outline:3px solid rgba(255,122,26,.45)}
.dot.ans{background:var(--purple);border-color:var(--purple)}
.dot.nans{background:#fff;border-color:#FFC59B}
.dot.mk{background:var(--orange);border-color:var(--orange)}
.sheet{border-radius:24px 24px 0 0}
.sheet.center{border-radius:22px}
/* result */
.bigscore .n{color:var(--purple)}
.stat{background:var(--purple-50);border-radius:14px}
/* misc */
.seg{border:0;background:var(--purple-50);border-radius:12px;padding:3px}
.seg button{background:transparent;border:0!important;border-radius:9px;color:var(--purple)}
.seg button[aria-selected="true"]{background:#fff;color:var(--purple);box-shadow:var(--shadow)}
.chap-row .chap-px{border-color:var(--orange);background:var(--orange-50);color:var(--purple)}
.chap-row .chap-px .ic{width:13px;height:13px;margin-right:3px;color:var(--orange)}
.fb-foot{border:1.5px solid var(--purple-100);background:#fff;color:var(--purple);display:inline-flex;align-items:center}
.fb-done-ico{color:var(--orange)}
.fb-done-ico .ic{width:48px;height:48px}
.ds-fire .ic{width:2.2rem;height:2.2rem;color:var(--gold)}
.daily-streak .ds-best{color:var(--gold)}
.ch-badge .ic{width:14px;height:14px;margin-right:4px}
.vs-name .ic{margin-right:4px}
.inv-ico .ic{width:28px;height:28px;color:var(--orange)}
.bt-pod b .ic{color:var(--gold)}
.site-foot{color:var(--muted)}
.site-foot a{color:var(--muted)}
.seo-intro,.seo-static{background:#fff}
@media (min-width:900px){ .hx-h1{font-size:2rem} }
@media print{.hx-hero,.pg-hero{background:none!important;color:#000!important;margin:0!important;padding:0!important}.pg-hero h1,.hx-hero h1{color:#000!important}}
.offsave .ic{width:14px;height:14px;margin-right:3px}
.stat.ok b{color:var(--purple)}
.stat.bad b{color:var(--orange-600)}
.pg-hero + .chips{margin-top:0}

/* Doubts home card (2026-11-03) */
.tool-card.dx-home{margin:12px 0 4px;background:#fff;border-color:#4836C4}
.tool-card.dx-home .tool-ico{color:#4836C4}
.tool-card.dx-home .dx-new{display:inline-block;vertical-align:2px;margin-left:4px;font-size:.62rem;font-weight:800;letter-spacing:.05em;background:#5B47E0;color:#fff;border-radius:999px;padding:2px 7px}