:root{--bg:#FFF8EC;--card:#fff;--ink:#2B2118;--muted:#6B5E52;--line:#F1E3CC;--saf:#FF9933;--gold:#D4A017;--ok:#1E9E5A;--bad:#E04848;--c:#2E86DE;--r:18px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Noto Sans Devanagari","Noto Sans Telugu","Noto Sans Tamil","Noto Sans Kannada","Noto Sans Gujarati",sans-serif}
a{color:#B35900}
h1,h2{line-height:1.25}
h1{font-size:1.6rem;margin:.2em 0}
h2{font-size:1.2rem;margin:1.4em 0 .6em}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.small{font-size:.88rem;color:var(--muted)}
.center{text-align:center}
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 12px;background:#fff;border-bottom:3px solid var(--saf);box-shadow:0 2px 8px rgba(120,70,0,.08)}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);min-width:0}
.om{font-size:2rem;line-height:1;font-weight:700;color:#E07B00;background:linear-gradient(180deg,#FF9933,#D4A017);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;text-shadow:none;padding:0 2px}
.bt{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.bt b{font-size:1.08rem}
.bt small{font-size:.75rem;color:var(--muted)}
.nb{white-space:nowrap}
.lang select{font:inherit;font-size:.9rem;padding:6px 8px;border-radius:10px;border:2px solid var(--line);background:var(--bg);color:var(--ink);max-width:44vw}
.topsub{display:flex;justify-content:space-between;align-items:center;padding:6px 14px;font-size:.85rem}
.topsub a{text-decoration:none}
.starpill{background:#fff;border:2px solid #FFE08A;border-radius:99px;padding:2px 10px}
.wrap{max-width:760px;margin:0 auto;padding:0 14px 24px}
.hero{text-align:center;padding:14px 8px 4px}
.hero .pics{font-size:2rem;letter-spacing:4px}
.hero h1{font-size:2rem;color:#B35900}
.hero p{margin:.3em 0 0;font-size:1.05rem}
.grid{display:grid;grid-template-columns:1fr;gap:12px}
.card{display:flex;gap:14px;align-items:center;padding:14px;background:var(--card);border-radius:var(--r);border:2px solid var(--line);border-left:8px solid var(--c);text-decoration:none;color:var(--ink);box-shadow:0 3px 0 var(--line)}
.card:active{transform:translateY(2px);box-shadow:none}
.card .big,.chead .big,.lhead .big{font-size:2.3rem;width:60px;height:60px;flex:none;display:grid;place-items:center;border-radius:16px;background:#F6EFE3;background:color-mix(in srgb,var(--c) 14%,#fff)}
.ct{display:flex;flex-direction:column;gap:2px;min-width:0}
.ct b{font-size:1.15rem}
.ct small{color:var(--muted);font-size:.9rem}
.prog{display:flex;align-items:center;gap:8px;margin-top:4px}
.bar{flex:1;height:8px;border-radius:9px;background:var(--line);overflow:hidden;min-width:80px}
.bar i{display:block;height:100%;width:0;background:var(--c);border-radius:9px}
.pc{font-size:.8rem;color:var(--muted)}
.how{background:#fff;border-radius:var(--r);padding:4px 16px 10px;margin-top:20px;border:2px dashed var(--line)}
.how ol{padding-left:1.2em;margin:.4em 0}
.crumb{font-size:.9rem;padding:8px 0;color:var(--muted)}
.chead{text-align:center;padding:6px 0 4px}
.chead .big{margin:0 auto}
.lessons{list-style:none;padding:0;margin:12px 0;display:grid;gap:10px}
.lrow{display:flex;align-items:center;gap:12px;padding:12px 14px;background:#fff;border-radius:var(--r);border:2px solid var(--line);text-decoration:none;color:var(--ink);box-shadow:0 3px 0 var(--line)}
.lrow .num{width:30px;height:30px;border-radius:50%;background:var(--c);color:#fff;display:grid;place-items:center;font-weight:700;flex:none}
.lrow .le{font-size:1.5rem}
.lrow b{flex:1}
.lrow.done{border-color:#8FD3AE}
.lrow.done .num{background:var(--ok)}
.ls{font-size:.9rem;white-space:nowrap}
.lhead{display:flex;gap:12px;align-items:center;margin:4px 0 12px}
.lhead h1{font-size:1.45rem}
.step{position:relative;background:#fff;border-radius:var(--r);padding:12px 14px 12px;margin:12px 0;border:2px solid var(--line);border-top:6px solid var(--c)}
.sn{font-size:.8rem;font-weight:700;color:var(--c);text-transform:uppercase;letter-spacing:.04em}
.pic{font-size:1.9rem;text-align:center;padding:10px 4px;margin:6px 0;background:#FBF6EC;background:color-mix(in srgb,var(--c) 8%,#FFFDF7);border-radius:14px;line-height:1.35;word-break:break-word;font-weight:700}
.pic.sm{font-size:1.5rem;padding:6px}
.step p{margin:.3em 0 0;font-size:1.08rem}
.say{position:absolute;top:8px;right:8px;border:0;background:var(--bg);border-radius:50%;width:38px;height:38px;font-size:1.1rem;cursor:pointer}
.ex{background:#FFF3D6;border-radius:var(--r);padding:4px 14px 14px;margin:16px 0;border:2px solid #FFE08A}
.ex h2{margin-top:.6em}
.exa{background:#fff;border-radius:12px;padding:10px 12px;font-weight:600}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font:inherit;font-weight:700;padding:12px 18px;border-radius:14px;border:2px solid var(--line);background:#fff;color:var(--ink);text-decoration:none;cursor:pointer;min-height:48px;box-shadow:0 3px 0 var(--line)}
.btn.primary{background:var(--saf);border-color:#E07B00;color:#fff;box-shadow:0 3px 0 #C46200}
.btn:active{transform:translateY(2px);box-shadow:none}
.row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.quiz h2{margin-bottom:0}
.q{position:relative;background:#fff;border-radius:var(--r);padding:12px 14px;margin:12px 0;border:2px solid var(--line)}
.q.ok{border-color:var(--ok);background:#F1FBF5}
.qn{position:absolute;top:-10px;left:-6px;width:28px;height:28px;border-radius:50%;background:var(--c);color:#fff;display:grid;place-items:center;font-weight:700;font-size:.9rem}
.qt{font-weight:700;font-size:1.08rem;margin:.2em 0 .6em}
.opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(90px,1fr));gap:8px}
.opt{font:inherit;font-size:1.1rem;font-weight:700;min-height:52px;padding:8px;border-radius:14px;border:2px solid var(--line);background:var(--bg);color:var(--ink);cursor:pointer;box-shadow:0 3px 0 var(--line)}
.opt.right{background:var(--ok);border-color:var(--ok);color:#fff;box-shadow:none}
.opt.wrong{background:#FDECEC;border-color:var(--bad);color:var(--bad);box-shadow:none;animation:shake .35s}
.opt:disabled{cursor:default}
.why{margin:.6em 0 0;color:#14683D;font-weight:600}
@keyframes shake{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
.result{text-align:center;background:#fff;border-radius:var(--r);padding:16px;border:3px solid #FFE08A;margin:16px 0}
.rstars{font-size:2.6rem;letter-spacing:6px}
.rstars .off{filter:grayscale(1);opacity:.3}
.toast{visibility:hidden;position:fixed;left:50%;bottom:20px;transform:translate(-50%,120px);background:#2B2118;color:#fff;padding:10px 18px;border-radius:99px;font-weight:700;transition:transform .25s;z-index:9;max-width:90vw;text-align:center}
.toast.on{visibility:visible;transform:translate(-50%,0)}
.foot{text-align:center;color:var(--muted);font-size:.85rem;padding:18px 14px 28px;border-top:2px solid var(--line);margin-top:20px}
.om-foot{font-size:1.6rem;margin:0;color:#E07B00}
/* games */
.gbox{background:#fff;border-radius:var(--r);padding:14px;border:2px solid var(--line);min-height:300px}
.ghud{display:flex;justify-content:space-between;font-weight:700;margin-bottom:8px}
.gq{font-size:2.4rem;font-weight:800;text-align:center;margin:10px 0 14px;color:var(--c)}
.gopts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.gopts .opt{font-size:1.6rem;min-height:68px}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.chips .opt{min-width:58px}
.chips .opt.sel{background:var(--c);color:#fff;border-color:var(--c)}
.tenf{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;max-width:300px;margin:8px auto 14px}
.tenf span{aspect-ratio:1;border-radius:50%;border:3px dashed #D9C9AE}
.tenf span.f{background:var(--c);border:3px solid var(--c)}
.tenf span.n{background:var(--saf);border:3px solid var(--saf)}
.slots{display:flex;gap:6px;justify-content:center;margin:10px 0 14px;flex-wrap:wrap}
.slots span{width:44px;height:52px;border-bottom:4px solid var(--c);font-size:1.8rem;font-weight:800;text-align:center;text-transform:uppercase}
.tiles{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.tiles .opt{width:56px;font-size:1.6rem;text-transform:uppercase}
.tiles .opt.used{visibility:hidden}
.emo{font-size:4rem;text-align:center;line-height:1.2}
.coins{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:12px 0}
.coin{width:66px;height:66px;border-radius:50%;font:inherit;font-weight:800;font-size:1.05rem;border:3px solid #B8860B;background:radial-gradient(circle at 35% 30%,#FFF1A8,#E7B931 60%,#C9971C);color:#5A3E00;cursor:pointer;box-shadow:0 3px 0 #9C7412}
.coin.silver{border-color:#8D98A3;background:radial-gradient(circle at 35% 30%,#fff,#C9D1D8 60%,#9AA5AF);color:#2E3A44;box-shadow:0 3px 0 #77828C}
.coin:active{transform:translateY(2px);box-shadow:none}
.paid{min-height:40px;text-align:center;font-size:1.3rem}
.big-total{font-size:1.4rem;font-weight:800;text-align:center}
@media(min-width:640px){.grid{grid-template-columns:1fr 1fr}.hero h1{font-size:2.4rem}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}