:root{--bg:#f6f4ee;--fg:#14202f;--mut:#4a5668;--card:#fff;--line:#d9d4c7;--navy:#10223f;--gold:#b8892b;--acc:#10223f;--onacc:#fff;--hero:#10223f;--herofg:#f6f4ee;--herogold:#e0b455}
:root[data-theme=dark]{--bg:#0b1525;--fg:#e8edf5;--mut:#a9b5c8;--card:#13233b;--line:#27395a;--acc:#e0b455;--onacc:#10223f;--hero:#0f1d33}
*{box-sizing:border-box}html{scroll-padding-top:70px}
body{margin:0;background:var(--bg);color:var(--fg);font:18px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.2;margin:0 0 .5em}
a{color:inherit}.wrap{max-width:1040px;margin:0 auto;padding:24px 18px}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:#000;padding:10px;z-index:9}.skip:focus{left:8px;top:8px}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
header.top{background:var(--navy);color:#f6f4ee;border-bottom:4px solid var(--gold)}
header.top .wrap{display:flex;gap:14px;align-items:center;flex-wrap:wrap;padding:12px 18px}
.logo{font:700 1.4rem Georgia,serif;text-decoration:none;margin-right:auto;color:#f6f4ee}.logo span{color:#e0b455}
nav{display:flex;gap:4px;flex-wrap:wrap}nav a{padding:10px 12px;text-decoration:none;border-radius:6px;color:#f6f4ee}
nav a[aria-current=page]{background:#e0b455;color:#10223f;font-weight:600}
button,.btn{font:inherit;min-height:44px;padding:8px 16px;border-radius:8px;border:2px solid var(--acc);background:var(--acc);color:var(--onacc);cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
.btn.alt,button.alt{background:transparent;color:var(--fg);border-color:var(--line)}
header.top button{background:transparent;color:#f6f4ee;border-color:#e0b455}
.hero{background:var(--hero);color:var(--herofg);padding:48px 0 40px;overflow:hidden}
.hero h1{font-size:clamp(2rem,6vw,3.4rem);max-width:15em}.hero p{max-width:34em;color:#d5dbe6}
.hero svg{display:block;width:100%;max-width:520px;margin-top:18px}
input,select,textarea{font:inherit;min-height:44px;padding:8px 12px;border:2px solid var(--line);border-radius:8px;background:var(--card);color:var(--fg);width:100%}
.search{display:flex;gap:8px;max-width:560px;margin-top:18px}.search input{flex:1;color:#14202f;background:#fff;border-color:#e0b455}
.bar{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:10px;align-items:end;margin-bottom:18px}
label{display:block;font-size:.9rem;color:var(--mut)}label input,label select,label textarea{margin-top:4px;color:var(--fg)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-left:5px solid var(--gold);border-radius:8px;padding:16px;display:flex;flex-direction:column;gap:8px}
.card h3{font-size:1.15rem;margin:0}.card p{margin:0;color:var(--mut);font-size:.95rem;flex:1}
.row{display:flex;gap:8px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.meta{font-size:.85rem;color:var(--mut)}
.badge{font-size:.8rem;padding:2px 10px;border-radius:99px;border:1px solid var(--line);font-weight:600}
.badge.Live{background:#dff3e4;color:#14532d}.badge.Beta{background:#fdf0c8;color:#5c4200}.badge.Soon{background:#e8e8ee;color:#333}
.star{min-height:44px;min-width:44px;padding:0;background:transparent;color:var(--fg);border-color:var(--line);font-size:1.3rem}.star[aria-pressed=true]{color:var(--gold);border-color:var(--gold)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.chips a{padding:8px 14px;border:1px solid #e0b455;border-radius:99px;text-decoration:none;color:#f6f4ee}
section.blk{margin:34px 0}
.ctl{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:12px 0}
.out{font-size:1.5rem;font-family:Georgia,serif;margin:14px 0}
.how{background:var(--card);border:1px solid var(--line);padding:10px 14px;border-radius:8px}
.hb{height:22px;background:var(--gold);border-radius:3px;min-width:2px}.hr{display:grid;grid-template-columns:70px 1fr 30px;gap:8px;align-items:center;font-size:.9rem}
.sheet li{margin:10px 0;font-size:1.2rem}.big{font:700 3.4rem Georgia,serif}
.notice{border:2px solid var(--gold);padding:14px;border-radius:8px;background:var(--card)}
footer{border-top:1px solid var(--line);color:var(--mut);font-size:.9rem}
@media(max-width:700px){.bar{grid-template-columns:1fr 1fr}.bar label:first-child{grid-column:1/3}}
@media print{header.top,footer,.noprint,.skip{display:none!important}body{background:#fff;color:#000}.card,.how{border-color:#999}.key{page-break-before:always}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
/* v2 look */
html{font-size:var(--fs,100%)}body{font-size:1.125rem}
.logo{display:inline-flex;align-items:center;gap:10px}.logo img{display:block}
.hero{padding:60px 0 46px}.hero h1{font-size:clamp(2.3rem,7vw,3.9rem)}
.draw{stroke-dasharray:1;stroke-dashoffset:1;animation:dr 1.8s ease-out .2s forwards}
@keyframes dr{to{stroke-dashoffset:0}}
.card{transition:transform .15s,box-shadow .15s}.card:hover{transform:translateY(-3px);box-shadow:0 8px 20px rgba(16,34,63,.16)}
.ic{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-size:1.4rem;background:var(--ibg,#e8edf5)}
.card[data-cat=Registers]{border-left-color:#2f6fb3;--ibg:#dbe8f6}
.card[data-cat=Assessment]{border-left-color:#2e8b57;--ibg:#d9f0e2}
.card[data-cat=Worksheets]{border-left-color:#c8742a;--ibg:#f8e5d0}
.card[data-cat=Classroom]{border-left-color:#7b4fa8;--ibg:#e8def3}
:root[data-theme=dark] .card{--ibg:#1f3556}
header.top .wrap{gap:10px}
@media(prefers-reduced-motion:reduce){.draw{animation:none;stroke-dashoffset:0}.card,.card:hover{transition:none;transform:none}}
.logo img{background:#fff;border-radius:10px;padding:3px;height:44px;width:auto}
.lf{display:block;max-width:320px;width:100%;height:auto;margin:0 0 18px;background:#fff;border-radius:12px;padding:8px}

/* v3 */
.bg{position:fixed;inset:0;overflow:hidden;pointer-events:none;z-index:-1}
.bg span{position:absolute;bottom:-70px;opacity:.17;animation:rise linear infinite}
:root[data-theme=dark] .bg span{opacity:.12}
@keyframes rise{to{transform:translateY(-120vh) rotate(360deg)}}
.hero{background:rgba(16,34,63,.92)}:root[data-theme=dark] .hero{background:rgba(15,29,51,.92)}
.dot{filter:drop-shadow(0 0 6px #fff)}
dialog{max-width:640px;width:92%;max-height:86vh;overflow:auto;border:3px solid var(--gold);border-radius:12px;background:var(--bg);color:var(--fg);padding:20px}
dialog::backdrop{background:rgba(8,16,30,.65)}
.dh{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.lnk{background:none;border:0;min-height:44px;padding:8px 14px 8px 0;color:var(--fg);text-decoration:underline;border-radius:0}
.fl-links{display:flex;flex-wrap:wrap;gap:4px 16px;margin:0 0 8px}
.kafi{background:#e0b455!important;color:#10223f!important;border-color:#e0b455!important;font-weight:600}
.ia{flex-direction:row;align-items:center;gap:16px;flex-wrap:wrap;border-left-width:8px}.ia>div{flex:1;min-width:220px}.ia h2{font-size:1.4rem;margin:0 0 4px}
.ups{list-style:none;padding:0;margin:0}.ups li{padding:8px 0;border-bottom:1px solid var(--line)}
.auth{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.ph{position:relative;width:140px;height:140px;border-radius:50%;border:3px solid var(--gold);background:var(--card);display:grid;place-items:center;font-size:3.4rem;overflow:hidden}.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
@media(prefers-reduced-motion:reduce){.bg,.dot{display:none}}
@media print{.bg,dialog{display:none}}

/* v4 */
body{padding-bottom:72px}
.wafab{position:fixed;right:14px;bottom:calc(14px + env(safe-area-inset-bottom,0px));z-index:5;background:#1a7f43;color:#fff;border-radius:99px;padding:12px 18px;text-decoration:none;font-weight:600;box-shadow:0 4px 14px rgba(0,0,0,.3)}
.thought{background:var(--card);border:1px solid var(--line);border-left:8px solid var(--gold);border-radius:8px;padding:18px}
.thought blockquote{margin:0 0 8px;font:1.5rem/1.5 Georgia,"Noto Serif Devanagari",serif}

/* v5 */
.hg{display:grid;grid-template-columns:1fr 230px;gap:20px;align-items:end}
.guru{position:relative;justify-self:center;width:100%;max-width:230px}.guru svg{display:block;width:100%;height:auto;margin:0}
.say{position:absolute;top:0;left:-6px;background:#fff;color:#10223f;border-radius:14px;padding:6px 12px;font-weight:700;font-size:1rem;box-shadow:0 3px 10px rgba(0,0,0,.3);z-index:1}
.bob{animation:bob 3.5s ease-in-out infinite}@keyframes bob{50%{transform:translateY(-8px)}}
.tw{animation:tw 2.4s ease-in-out infinite}@keyframes tw{50%{opacity:.25}}
.bg span{color:var(--fg);font-family:Georgia,serif;font-weight:700;opacity:.15}
:root[data-theme=dark] .bg span{opacity:.16}
@media(max-width:700px){.hg{grid-template-columns:1fr}.guru{max-width:170px}}
@media(prefers-reduced-motion:reduce){.bob,.tw{animation:none}}

/* v6 mascot */
.pulse{animation:pl 4s ease-in-out infinite}@keyframes pl{50%{opacity:.5}}
.spin{transform-origin:120px 190px;animation:sp 40s linear infinite}@keyframes sp{to{transform:rotate(360deg)}}
.nm{margin:6px 0 0;text-align:center;background:#e0b455;color:#10223f;font-weight:700;border-radius:99px;padding:6px 14px;line-height:1.25}
.nm span{display:block;font-weight:400;font-size:.8rem}
@media(prefers-reduced-motion:reduce){.pulse,.spin{animation:none}}

/* v7 */
.poster{text-align:center}.poster img{max-width:100%;height:auto;background:#fff;border-radius:12px;padding:8px}.poster h1{font-size:2.4rem;margin-top:12px}
@media print{.poster img.qrp{width:300px}}

/* v8 Internal Assessment page */
.iahero{background:var(--navy);color:#f6f4ee;border-radius:14px;padding:24px;margin-bottom:18px;border-bottom:4px solid var(--gold)}.iahero h1{margin:0 0 6px}.iahero p{margin:0;color:#d5dbe6}
.iagrid{display:grid;grid-template-columns:1fr 330px;gap:20px;align-items:start}.iasum{position:sticky;top:12px}
.step{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:14px}
.step h2{font-size:1.15rem;display:flex;gap:10px;align-items:center}.step h2 span{background:var(--gold);color:#10223f;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font:700 1rem system-ui}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}.pill{border-radius:99px;padding:8px 18px;background:transparent;color:var(--fg);border:2px solid var(--line)}.pill[aria-pressed=true]{background:var(--acc);color:var(--onacc);border-color:var(--acc)}
.subs{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px}
.sub{flex-direction:column;gap:4px;min-height:84px;background:var(--card);color:var(--fg);border:2px solid var(--line);font-weight:600;transition:transform .15s,box-shadow .15s}.sub b{font-size:1.6rem;font-family:Georgia,serif;line-height:1}.sub[aria-pressed=true]{border-color:var(--gold);box-shadow:0 0 0 3px rgba(224,180,85,.45);transform:translateY(-2px)}
.stp{display:flex;gap:8px;align-items:center}.stp input{width:96px;text-align:center;font-size:1.4rem}.stp button{width:48px;padding:0;font-size:1.5rem}
.dots{display:grid;grid-template-columns:repeat(auto-fill,14px);gap:4px;margin:12px 0}.dots i{width:14px;height:14px;border-radius:4px;background:var(--line);transition:background .25s,transform .25s}.dots i.on{background:var(--gold);transform:scale(1.08)}
.shine{width:100%;position:relative;overflow:hidden;font-weight:700;font-size:1.1rem}.shine::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,transparent 30%,rgba(255,255,255,.45) 50%,transparent 70%);transform:translateX(-120%);animation:sh 3s infinite}@keyframes sh{to{transform:translateX(120%)}}
.prog{height:8px;background:var(--line);border-radius:4px;overflow:hidden;margin:10px 0}.prog i{display:block;height:100%;width:0;background:var(--gold);transition:width .4s}
.cnt{font-size:1.2rem;font-weight:700}
.cf{position:fixed;top:-30px;font-size:26px;z-index:20;pointer-events:none;animation:fall 2.4s ease-in forwards}@keyframes fall{to{transform:translateY(110vh) rotate(540deg);opacity:.2}}
.how{margin-top:20px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px}.how summary{font-weight:700;cursor:pointer}
@media(max-width:820px){.iagrid{grid-template-columns:1fr}.iasum{position:static}}
@media(prefers-reduced-motion:reduce){.shine::after,.cf{display:none}.dots i,.sub{transition:none}}

/* v9 Worksheets browser */
.crumbs{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:0 0 14px;font-size:.95rem}.crumbs a,.crumbs span{padding:6px 12px;border-radius:99px;border:1px solid var(--line);background:var(--card);text-decoration:none;color:var(--fg)}.crumbs span{background:var(--gold);color:#10223f;border-color:var(--gold);font-weight:600}
.wsb{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin:10px 0 18px}
.wsb a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-height:92px;padding:10px;text-align:center;text-decoration:none;color:var(--fg);background:var(--card);border:2px solid var(--line);border-radius:12px;font-weight:600;transition:transform .15s,box-shadow .15s}
.wsb a:hover{transform:translateY(-3px);box-shadow:0 8px 20px rgba(16,34,63,.16);border-color:var(--gold)}.wsb a b{font:700 1.6rem Georgia,serif;line-height:1}
.wsb a small{font-weight:400;color:var(--mut);font-size:.8rem}
.wst{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin:10px 0 18px}
.wst .card{border-left-width:8px}
.tbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:0 0 12px}.tbar h1{font-size:1.3rem;margin:0 auto 0 0}
.vwrap{border:2px solid var(--line);border-radius:10px;background:#fff;overflow-x:auto}.vwrap iframe{display:block;width:100%;min-height:80vh;border:0;background:#fff}
@media(prefers-reduced-motion:reduce){.wsb a,.wsb a:hover{transition:none;transform:none}}
@media print{.crumbs,.tbar{display:none!important}.vwrap{border:0}}