/* Layout: a storybook. Home = map of 16 puzzle cards. Chapter = colored hero, story, think-box, golden rule, challenge. */
:root{
  --bg:#eef5ff; --surface:#ffffff; --surface2:#f6f9ff; --ink:#14213d; --ink2:#4a5878; --line:#d5e2f7;
  --gold:#ffc83d; --gold-soft:#fff3cc; --warn-soft:#ffe9d6; --warn:#e8590c;
  --deep:#0b1030; --ok:#16a34a; --ok-soft:#dcfce7; --bad:#dc2626; --bad-soft:#fee2e2; --on-acc:#ffffff; --shadow:rgba(20,33,61,.12);
  --a1:#4f46e5; --a2:#0f766e; --a3:#c2410c; --a4:#be185d; --a5:#15803d; --a6:#1d4ed8; --a7:#7e22ce; --a8:#b45309;
  --font-display:'Baloo Bhaijaan 2','Cairo','Tahoma',system-ui,sans-serif;
  --font-body:'Readex Pro','Cairo','Tahoma',system-ui,sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0d1330; --surface:#172046; --surface2:#1c2754; --ink:#eef2ff; --ink2:#aebbe0; --line:#2c3a6e;
  --gold:#ffc83d; --gold-soft:#3b3314; --warn-soft:#3d2a1b; --warn:#ff9b54; --shadow:rgba(0,0,0,.45); --ok:#4ade80; --ok-soft:#14351f; --bad:#f87171; --bad-soft:#3d1a1a; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0d1330; --surface:#172046; --surface2:#1c2754; --ink:#eef2ff; --ink2:#aebbe0; --line:#2c3a6e;
  --gold:#ffc83d; --gold-soft:#3b3314; --warn-soft:#3d2a1b; --warn:#ff9b54; --shadow:rgba(0,0,0,.45); --ok:#4ade80; --ok-soft:#14351f; --bad:#f87171; --bad-soft:#3d1a1a; color-scheme:dark}

*{box-sizing:border-box}
html{font-size:100%;-webkit-text-size-adjust:100%}
html[data-fs="2"]{font-size:115%}
html[data-fs="3"]{font-size:130%}
body{background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:1.125rem;line-height:1.9;margin:0;padding-inline:16px;padding-block:0 48px}
button{font:inherit;color:inherit;cursor:pointer}
button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.wrap{max-width:860px;margin-inline:auto}
h1,h2,h3{font-family:var(--font-display);line-height:1.4;text-wrap:balance;margin:0}

/* top bar */
.bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--bg);padding-block:10px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{font-family:var(--font-display);font-weight:800;font-size:1.2rem;display:flex;align-items:center;gap:8px;background:none;border:0;padding:0}
.brand svg{width:34px;height:34px;flex:none}
.stars{background:var(--surface);border:2px solid var(--line);border-radius:999px;padding:2px 14px;font-weight:600;white-space:nowrap;font-variant-numeric:tabular-nums}
.meter{height:10px;background:var(--line);border-radius:99px;overflow:hidden;margin-bottom:8px}
.meter i{display:block;height:100%;background:var(--gold);border-radius:99px;transition:width .5s}

/* home */
.hero{background:linear-gradient(135deg,var(--a6),var(--a7));color:var(--on-acc);border-radius:28px;padding:28px 22px;margin-top:10px;position:relative;overflow:hidden}
.hero h1{font-size:clamp(2rem,7vw,3.2rem);font-weight:800}
.hero p{margin:6px 0 0;max-width:34em;font-size:1.1rem;opacity:.95}
.hero .sky{position:absolute;inset-inline-start:-10px;bottom:8px;font-size:2.2rem;opacity:.85;animation:fly 9s linear infinite}
@keyframes fly{from{transform:translateX(0)}to{transform:translateX(-120px)}}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:18px 0 6px}
.step{background:var(--surface);border:2px solid var(--line);border-radius:18px;padding:10px 14px;font-weight:500;line-height:1.5;min-width:0}
.step b{display:block;font-family:var(--font-display);font-size:1.05rem}
.sec-title{font-size:1.6rem;margin:26px 0 12px}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
@media(max-width:560px){.grid{grid-template-columns:1fr}}
.card{background:var(--surface);border:3px solid color-mix(in srgb,var(--acc) 45%,var(--surface));border-radius:24px;padding:14px 16px;text-align:start;display:flex;flex-direction:column;gap:6px;box-shadow:0 5px 0 color-mix(in srgb,var(--acc) 35%,var(--surface));transition:transform .15s}
.card:hover{transform:translateY(-3px)}
.card .top{display:flex;align-items:center;gap:10px}
.num{background:var(--acc);color:var(--on-acc);font-family:var(--font-display);font-weight:800;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-size:1.2rem;flex:none}
.card .em{font-size:1.7rem;letter-spacing:2px;margin-inline-start:auto}
.card .ttl{font-family:var(--font-display);font-weight:700;font-size:1.25rem;line-height:1.4}
.card .dsc{color:var(--ink2);font-size:.95rem;line-height:1.6}
.card .tick{font-size:.9rem;font-weight:600;color:var(--acc)}
.card.done{background:color-mix(in srgb,var(--acc) 10%,var(--surface))}

/* chapter */
.nav{display:flex;gap:10px;flex-wrap:wrap;justify-content:space-between;margin-block:6px 12px}
.btn{background:var(--surface);border:2px solid var(--line);border-radius:999px;padding:6px 18px;min-height:46px;font-weight:600}
.btn:hover{border-color:var(--gold)}
.btn.main{background:var(--acc,var(--a6));border-color:transparent;color:var(--on-acc)}
.btn[disabled]{opacity:.4;cursor:default}
.ch-hero{background:linear-gradient(135deg,var(--acc),color-mix(in srgb,var(--acc) 62%,var(--deep)));color:var(--on-acc);border-radius:28px;padding:24px 22px;text-align:center}
.ch-hero .scene{font-size:clamp(2.6rem,12vw,4.2rem);letter-spacing:6px;line-height:1.3;animation:bob 3s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(-6px)}}
.ch-hero .tag{display:inline-block;background:color-mix(in srgb,var(--on-acc) 22%,transparent);border-radius:99px;padding:0 14px;font-weight:600;font-size:.95rem}
.ch-hero h2{font-size:clamp(1.8rem,6vw,2.6rem);font-weight:800;margin-top:4px}
.ch-hero .idea{margin:6px auto 0;max-width:30em;font-size:1.08rem}
.story{display:flex;flex-direction:column;gap:14px;margin-block:20px}
.story p{margin:0;background:var(--surface);border:2px solid var(--line);border-radius:22px;padding:14px 18px;font-size:1.2rem;line-height:2.05;max-width:100%;overflow-wrap:anywhere}
.story p:first-child{border-color:color-mix(in srgb,var(--acc) 55%,var(--surface))}
mark{background:color-mix(in srgb,var(--gold) 55%,transparent);color:inherit;border-radius:8px;padding:0 5px;font-weight:600}
.box{border-radius:22px;padding:14px 18px;margin-block:14px;border:3px solid transparent}
.box h3{font-size:1.25rem;margin-bottom:2px}
.box p{margin:6px 0 0;font-size:1.1rem}
.think{background:color-mix(in srgb,var(--acc) 12%,var(--surface));border-color:color-mix(in srgb,var(--acc) 50%,var(--surface))}
.answer{background:var(--surface);border-radius:16px;padding:10px 16px;margin-top:10px;border:2px dashed var(--line)}
.rule{background:var(--gold-soft);border-color:var(--gold)}
.rule p{font-weight:500;font-size:1.2rem}
.warn{background:var(--warn-soft);border-color:var(--warn)}
.fact{background:var(--surface2);border-color:var(--line)}
.chal{background:var(--surface);border-color:var(--acc)}
.words{background:var(--surface2);border-color:var(--line);font-size:1rem}
.words div{margin-top:4px}
.finish{display:flex;gap:10px;flex-wrap:wrap;justify-content:space-between;align-items:center;margin-top:22px}

/* games */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.chip{background:var(--surface);border:2px solid var(--line);border-radius:16px;padding:4px 14px;min-height:44px;font-weight:500;display:flex;align-items:center;gap:6px}
.chip[aria-pressed="true"]{background:var(--acc);border-color:var(--acc);color:var(--on-acc)}
.hold{height:22px;background:var(--line);border-radius:99px;overflow:hidden;margin-top:12px}
.hold i{display:block;height:100%;background:var(--acc);transition:width .3s,background .3s}
.hold.full i{background:var(--warn)}
.msg{min-height:1.9em;font-weight:600;margin:6px 0 0}
.inp{width:100%;font:inherit;border:2px solid var(--line);background:var(--surface);color:var(--ink);border-radius:14px;padding:8px 14px;min-height:46px}

/* certificate */
.cert{margin-top:28px;border-radius:28px;padding:22px;background:var(--surface);border:4px double var(--gold);text-align:center}
.cert h2{font-size:1.8rem}
.cert .name{font-family:var(--font-display);font-size:2rem;font-weight:800;min-height:3rem;color:var(--a7)}
.cert.locked{border:3px dashed var(--line);color:var(--ink2)}
details.parents{margin-top:24px;background:var(--surface);border:2px solid var(--line);border-radius:20px;padding:10px 16px}
details.parents summary{cursor:pointer;font-weight:600}
.tbl{overflow-x:auto;margin-top:10px}
.tbl table{border-collapse:collapse;width:100%;min-width:520px;font-size:.95rem;line-height:1.6}
.tbl th,.tbl td{border-bottom:1px solid var(--line);padding:6px 8px;text-align:start;vertical-align:top}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

.sec{margin-top:30px}
.sec-head{display:flex;align-items:center;gap:12px;background:color-mix(in srgb,var(--acc) 14%,var(--surface));border:3px solid color-mix(in srgb,var(--acc) 50%,var(--surface));border-radius:24px;padding:10px 16px}
.sec-head .se{font-size:2rem}
.sec-head h2{font-size:1.5rem}
.sec-head p{margin:0;color:var(--ink2);font-size:.95rem;line-height:1.5}
.sec-head .cnt{margin-inline-start:auto;font-weight:600;white-space:nowrap}
.game{background:color-mix(in srgb,var(--acc) 8%,var(--surface));border-color:var(--acc)}
.game .gi{margin:0 0 8px;font-size:1.05rem}
.g-prog{font-weight:600;color:var(--ink2);font-size:.9rem}
.g-card{background:var(--surface);border:2px solid var(--line);border-radius:18px;padding:14px 16px;font-size:1.2rem;line-height:1.8;margin:8px 0}
.g-btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.g-opts{display:flex;flex-direction:column;gap:8px;margin-top:8px}
.g-opts.row{flex-direction:row;flex-wrap:wrap}
.g-opts .btn{border-radius:18px;text-align:start;line-height:1.6;padding:8px 16px}
.btn.right{background:var(--ok-soft);border-color:var(--ok)}
.btn.wrong{background:var(--bad-soft);border-color:var(--bad)}
.btn.gb{flex:1 1 140px}
.tok{font:inherit;color:inherit;background:var(--surface);border:2px solid var(--line);border-radius:14px;padding:2px 12px;margin:3px;min-height:44px;cursor:pointer;text-align:start}
.tok[aria-pressed="true"]{border-color:var(--acc);background:color-mix(in srgb,var(--acc) 18%,var(--surface))}
.tok.right{background:var(--ok-soft);border-color:var(--ok)}
.tok.wrong{background:var(--bad-soft);border-color:var(--bad)}
.tok.missed{border-style:dashed;border-color:var(--ok)}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cols .btn{border-radius:16px;width:100%;line-height:1.5;padding:6px 10px;font-size:.95rem}
.btn.sel{border-color:var(--acc);background:color-mix(in srgb,var(--acc) 20%,var(--surface))}
.btn.lock{background:var(--ok-soft);border-color:var(--ok);opacity:.85}
.slots{display:flex;flex-direction:column;gap:6px;margin-block:8px}
.slot{font:inherit;color:inherit;background:var(--surface);border:2px dashed var(--line);border-radius:14px;padding:6px 14px;min-height:46px;text-align:start;cursor:pointer}
.slot.filled{border-style:solid;border-color:var(--acc)}
.slot.right{border-color:var(--ok);background:var(--ok-soft)}
.slot.wrong{border-color:var(--bad);background:var(--bad-soft)}
.meterb{height:18px;border-radius:99px;background:var(--line);overflow:hidden;margin:6px 0}
.meterb i{display:block;height:100%;background:var(--acc);transition:width .4s}
.end{border-radius:18px;padding:10px 16px;margin-top:8px;font-weight:500}
.end.good{background:var(--ok-soft);border:2px solid var(--ok)}
.end.ok{background:var(--gold-soft);border:2px solid var(--gold)}
.end.bad{background:var(--bad-soft);border:2px solid var(--bad)}
.breath{display:grid;place-items:center;padding:16px}
.orb{width:120px;height:120px;border-radius:50%;background:radial-gradient(circle at 35% 30%,color-mix(in srgb,var(--acc) 40%,var(--surface)),var(--acc));color:var(--on-acc);display:grid;place-items:center;font-family:var(--font-display);font-weight:700;font-size:1.2rem;transform:scale(.7);transition:transform 4s ease-in-out;box-shadow:0 0 0 8px color-mix(in srgb,var(--acc) 25%,transparent)}
.jar{border:4px solid var(--line);border-radius:12px 12px 36px 36px;min-height:140px;padding:10px;display:flex;flex-wrap:wrap;gap:6px;align-content:flex-end;background:color-mix(in srgb,var(--acc) 6%,var(--surface))}
.note{background:var(--gold-soft);border:2px solid var(--gold);border-radius:10px;padding:0 10px;font-size:.95rem;line-height:1.6}
.pens{display:flex;flex-direction:column;gap:8px;margin-top:8px}
.penrow{background:var(--surface);border:2px solid var(--line);border-radius:14px;padding:8px 12px;line-height:1.8}
.tbl th[colspan]{background:var(--surface2)}

/* ===== additions for the multilingual site ===== */
html{scrollbar-gutter:stable}
img,svg{max-width:100%}
.bar{gap:8px}
.homea{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--surface);border:2px solid var(--line);text-decoration:none;font-size:1.3rem;flex:none}
.brand{min-width:0;flex:1 1 auto;justify-content:flex-start;color:inherit;font-size:1.05rem;line-height:1.2}
.brand span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar-r{display:flex;align-items:center;gap:8px;flex:none}
.btn.x{padding:0;width:46px;min-width:46px;display:grid;place-items:center;font-size:1.2rem}
.stars.pop,.badge.pop{animation:pop .6s ease}
@keyframes pop{0%{transform:scale(1)}40%{transform:scale(1.25)}100%{transform:scale(1)}}
.badge{display:inline-block;background:var(--gold);color:#3b2a00;border-radius:99px;padding:0 12px;font-weight:700}
.nav-r{display:flex;gap:8px;flex-wrap:wrap}
small.l2{display:block;font-size:.82em;line-height:1.7;opacity:.82;margin-top:.15em;font-weight:400;unicode-bidi:isolate}
.btn small.l2,.chip small.l2,.tok small.l2,.slot small.l2{display:block}
.preview-note{background:var(--gold-soft);border:2px dashed var(--gold);border-radius:16px;padding:6px 14px;margin:14px 0 0;font-weight:500;line-height:1.6}
.card.locked{opacity:.55;border-style:dashed;box-shadow:none}
.card.locked:hover{transform:none}
.card .tick.soon{color:var(--ink2)}
.quiz{background:color-mix(in srgb,var(--acc) 8%,var(--surface));border-color:var(--acc)}
.quiz .gi{margin:0 0 8px;font-size:1.05rem}
.think .btn{margin-top:8px}
.box summary{cursor:pointer;font-weight:600}
.game .dim,.jar .dim{color:var(--ink2)}
.jar-in{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.jar-in .inp{flex:1 1 200px;width:auto}
.btn.danger{border-color:var(--bad);color:var(--bad)}
.preview-note,.story p,.g-card,.btn,.chip,.tok{overflow-wrap:anywhere}
.hero p{max-width:36em}
.hero .sky{inset-inline-start:auto;inset-inline-end:14px}
[dir="rtl"] .hero .sky{animation-name:flyr}
@keyframes flyr{from{transform:translateX(0)}to{transform:translateX(-90px)}}
@keyframes fly{from{transform:translateX(0)}to{transform:translateX(90px)}}
.hero .sky{animation:fly 9s ease-in-out infinite alternate}
[dir="rtl"] .hero .sky{animation:flyr 9s ease-in-out infinite alternate}
.sec-head{flex-wrap:wrap}
.sec-head>div{flex:1 1 180px;min-width:0}
.cert .btn{margin-top:10px}
/* dialogs */
body.modal{overflow:hidden}
.overlay{position:fixed;inset:0;z-index:50;background:rgba(5,8,25,.6);display:flex;align-items:flex-end;justify-content:center;padding:0}
@media(min-width:640px){.overlay{align-items:center;padding:16px}}
.dialog{background:var(--surface);color:var(--ink);width:100%;max-width:520px;max-height:92vh;max-height:92dvh;overflow:auto;border-radius:24px 24px 0 0;padding:16px 18px calc(18px + env(safe-area-inset-bottom,0px));box-shadow:0 10px 40px var(--shadow)}
@media(min-width:640px){.dialog{border-radius:24px}}
.dlg-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:6px}
.dlg-head h2{font-size:1.4rem}
.fld{margin-block:14px}
.fld>label,.fld>label.chk{display:block;font-weight:600;margin-bottom:6px}
.fld label.chk{display:flex;align-items:center;gap:10px;cursor:pointer}
.fld input[type=checkbox]{width:24px;height:24px;accent-color:var(--a6);flex:none}
.hint{margin:2px 0 8px;color:var(--ink2);font-size:.92rem;line-height:1.6}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg .btn{flex:1 1 auto;padding-inline:14px}
.seg .btn[aria-pressed="true"]{background:var(--a6);border-color:transparent;color:var(--on-acc)}
.seg .fs1:nth-child(2){font-size:1.1em}.seg .fs1:nth-child(3){font-size:1.2em}
select.inp{appearance:auto}
/* print sheet: hidden on screen */
#printSheet{display:none}
@media print{
  @page{size:A4;margin:14mm}
  body.printing{background:#fff;color:#000;font-size:11pt;line-height:1.6;padding:0}
  body.printing .wrap,body.printing .overlay{display:none!important}
  body.printing #printSheet{display:block}
  #printSheet{font-family:var(--font-body);color:#000}
  #printSheet h1{font-size:20pt;margin:4pt 0}
  #printSheet h2.pwork{font-size:16pt;margin:0 0 6pt}
  #printSheet h4{font-size:12pt;margin:0 0 3pt;font-family:var(--font-display)}
  #printSheet p{margin:3pt 0}
  .pmeta{display:flex;justify-content:space-between;gap:10pt;font-size:10pt;margin-bottom:6pt}
  .ptag{font-size:10pt;color:#444}
  .pidea{font-weight:600;margin:0 0 6pt}
  .pstory p{margin:0 0 5pt;font-size:11.5pt;line-height:1.8}
  .pbox{border:1.2pt solid #777;border-radius:8pt;padding:6pt 10pt;margin:7pt 0}
  #printSheet h4,#printSheet h2.pwork{break-after:avoid}
  .pt tr{break-inside:avoid}
  .prule{background:#fff6d6}
  .pbreak{display:none}
  .pans{border-top:1pt dashed #777;padding-top:3pt}
  #printSheet small.l2{display:block;font-size:.85em;color:#333;opacity:1}
  #printSheet mark{background:#ffe9a8;color:#000}
  .pt{border-collapse:collapse;width:100%}
  .pt th,.pt td{border:1pt solid #777;padding:3pt 6pt;vertical-align:middle}
  .pt td.c,.pt th{text-align:center}
  .bx{display:inline-block;width:14pt;height:14pt;border:1.2pt solid #000;border-radius:3pt;text-align:center;line-height:13pt;font-size:10pt;vertical-align:middle}
  .bx.wide{width:auto;min-width:46pt;padding:0 6pt;margin:2pt}
  .pq{display:block;margin:3pt 0}
  .po{margin-top:3pt;padding-inline-start:10pt}
  .pb{margin:5pt 0;break-inside:avoid}
  .pend{color:#333;font-size:10pt}
  .ln{height:20pt;border-bottom:1pt solid #888}
  .pcirc{display:flex;gap:8pt;flex-wrap:wrap;margin:6pt 0}
  .ci{display:inline-block;min-width:26pt;height:26pt;border:1.2pt solid #000;border-radius:50%;text-align:center;line-height:24pt}
  .pord{display:flex;gap:6pt;flex-wrap:wrap;margin-top:6pt}
  .pf{margin-top:10pt;text-align:center;font-size:9pt;color:#555}
  .pcert{border:4pt double #b8860b;padding:30pt;text-align:center;margin-top:30pt;border-radius:16pt}
  .pcn{font-family:var(--font-display);font-size:30pt;font-weight:800;margin:20pt 0}
}
@media (max-width:420px){.hero{padding:22px 16px}.bar{gap:6px}.stars{padding:2px 10px;font-size:.95rem}}
[data-focus]:focus{outline:none}
.sec .grid{margin-top:12px}