:root{--sun:#FFC928;--teal:#14A9A4;--blue:#3D6FD8;--orange:#FF8A3D;--purple:#8E5CD9;--pink:#EE5A98;--green:#2FA866;--cream:#FFF8EC;--ink:#1F3550;--soft:#5B6B80;--line:#EFE3CC;--card:#fff}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--cream);color:var(--ink);font-family:Fredoka,system-ui,sans-serif;font-size:18px;line-height:1.45;min-height:100vh;display:flex;flex-direction:column}
[lang=ar]{font-family:Tajawal,sans-serif;font-size:.85em;color:var(--soft)}
a{color:var(--blue)}
button{font:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.top{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;background:#fff;border-bottom:3px solid var(--line);position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:700;font-size:22px;min-height:44px}
.brand img{border-radius:12px}
.top nav{display:flex;gap:6px}
.top nav a{text-decoration:none;color:var(--ink);font-weight:600;padding:10px 14px;border-radius:14px;min-height:44px;display:flex;gap:6px;align-items:center}
.top nav a:hover{background:var(--cream)}
main{flex:1;width:100%;max-width:1120px;margin:0 auto;padding:22px 16px 40px}
.foot{text-align:center;color:var(--soft);font-size:14px;padding:18px 16px 28px}
/* home */
.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:26px;align-items:center;background:#fff;border-radius:30px;padding:28px;border:3px solid var(--line)}
.hero h1{font-size:44px;line-height:1.05;margin:6px 0 10px}
.hero p{margin:0 0 14px;color:var(--soft)}
.hero .tag{display:inline-block;background:var(--teal);color:#fff;border-radius:30px;padding:4px 14px;font-weight:600;font-size:15px}
.hero img{width:100%;border-radius:22px;display:block}
.bar{height:16px;border-radius:10px;background:#F2E8D5;overflow:hidden;margin:12px 0 6px}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--sun),var(--orange));border-radius:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:18px;padding:12px 22px;min-height:48px;font-weight:700;font-size:18px;text-decoration:none;background:var(--orange);color:#fff;box-shadow:0 5px 0 #D86A22}
.btn:active{transform:translateY(3px);box-shadow:0 2px 0 #D86A22}
.btn.alt{background:#fff;color:var(--ink);box-shadow:0 5px 0 var(--line);border:2px solid var(--line)}
.btn.blue{background:var(--blue);box-shadow:0 5px 0 #2C55AE}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.unit{margin-top:34px}
.unit h2{font-size:28px;margin:0 0 4px}
.unit p{margin:0 0 14px;color:var(--soft)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px}
.lcard{background:#fff;border-radius:22px;border:3px solid var(--line);text-decoration:none;color:var(--ink);overflow:hidden;display:flex;flex-direction:column;position:relative;transition:transform .15s}
.lcard:hover{transform:translateY(-3px)}
.lcard img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;background:var(--cream)}
.lcard div{padding:10px 12px 12px}
.lcard small{color:var(--soft);font-weight:600}
.lcard b{display:block;font-size:19px}
.lcard.done{border-color:var(--green)}
.lcard.soon img{filter:saturate(.4);opacity:.75}
.lcard.done::after{content:'✓';position:absolute;top:8px;right:8px;width:34px;height:34px;border-radius:50%;background:var(--green);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center}
/* lesson */
.lhead{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:14px}
.lhead h1{font-size:34px;margin:0;flex:1;min-width:220px}
.steps{display:flex;gap:8px;overflow-x:auto;padding:4px 2px 10px;scrollbar-width:thin}
.step{text-decoration:none;flex:0 0 auto;border:3px solid var(--line);background:#fff;border-radius:18px;padding:8px 14px;min-height:48px;display:flex;align-items:center;gap:8px;font-weight:600;color:var(--soft)}
.step .n{width:28px;height:28px;border-radius:50%;background:var(--cream);display:flex;align-items:center;justify-content:center;font-size:15px}
.step.on{border-color:var(--blue);color:var(--ink)}.step.on .n{background:var(--blue);color:#fff}
.step.ok .n{background:var(--green);color:#fff}
.panel{background:#fff;border-radius:28px;border:3px solid var(--line);padding:22px}
.panel h2{margin:0 0 4px;font-size:28px}
.panel .hint{margin:0 0 16px;color:var(--soft)}
.nav2{display:flex;justify-content:space-between;gap:10px;margin-top:18px;flex-wrap:wrap}
video{width:100%;border-radius:20px;background:#000;display:block}
.yt{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.ytc{border-radius:20px;overflow:hidden;border:3px solid var(--line);background:var(--cream)}
.ytc .frame{position:relative;aspect-ratio:16/9;background:#000}
.ytc .frame img{width:100%;height:100%;object-fit:cover;display:block;opacity:.92}
.ytc .frame button{position:absolute;inset:0;border:0;background:transparent;display:flex;align-items:center;justify-content:center}
.ytc .frame button span{width:84px;height:84px;border-radius:50%;background:var(--orange);color:#fff;font-size:36px;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 0 #D86A22;padding-left:6px}
.ytc iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.ytc .meta{padding:10px 14px}.ytc .meta b{display:block}.ytc .meta small{color:var(--soft)}
/* tracing */
.trace{display:flex;gap:20px;flex-wrap:wrap;align-items:flex-start}
.trace canvas{background:#fff;border:3px solid var(--line);border-radius:24px;touch-action:none;width:100%;max-width:420px;aspect-ratio:1/1}
.trace .side{flex:1;min-width:220px;display:flex;flex-direction:column;gap:12px}
.meter{font-weight:700;font-size:20px}
.pill{display:inline-flex;gap:6px;align-items:center;border-radius:30px;padding:4px 12px;font-weight:600;background:var(--cream)}
.pill.ok{background:#DDF5E7;color:var(--green)}
/* games */
.qline{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.qline .q{font-size:26px;font-weight:700;flex:1}
.say{border:0;background:var(--teal);color:#fff;border-radius:50%;width:54px;height:54px;font-size:24px;box-shadow:0 4px 0 #0F807C;flex:0 0 auto}
.choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px}
.choice{border:4px solid var(--line);background:#fff;border-radius:24px;padding:10px;display:flex;flex-direction:column;align-items:center;gap:6px;min-height:170px;position:relative}
.choice img{width:100%;height:130px;object-fit:contain}
.choice .big{font-family:Andika,sans-serif;font-size:58px;font-weight:700;line-height:1.2}
.choice.right{border-color:var(--green);background:#EFFBF3}
.choice.wrong{border-color:#F3A3A3;animation:shake .35s}
.choice .badge{position:absolute;top:-12px;right:-10px;width:40px;height:40px;border-radius:50%;background:var(--green);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center}
@keyframes shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.score{display:flex;gap:6px;margin:14px 0 0}
.score i{width:22px;height:22px;border-radius:50%;background:#F2E8D5}.score i.ok{background:var(--sun)}
.word{font-family:Andika,sans-serif;font-weight:700;font-size:64px;letter-spacing:4px;text-align:center;margin:6px 0 14px}
.dots{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:460px;margin:0 auto 18px}
.dots i{width:44px;height:44px;border-radius:50%;background:var(--pink)}
.win{text-align:center;padding:24px}
.win .big{font-size:70px}
.ws{display:grid;grid-template-columns:minmax(200px,320px) 1fr;gap:22px;align-items:start}
.ws img{width:100%;border-radius:14px;border:3px solid var(--line);display:block}
.ws ul{margin:8px 0 18px;padding-left:22px}
@media (max-width:760px){
  body{font-size:17px}
  .hero{grid-template-columns:1fr;padding:20px}.hero h1{font-size:34px}
  .lhead h1{font-size:27px}
  .panel{padding:16px;border-radius:22px}
  .ws{grid-template-columns:1fr}
  .top nav a span{display:none}
  .grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.gap{margin-top:26px}
/* interactive worksheet */
.wpart{border:3px dashed var(--line);border-radius:24px;padding:16px;margin-bottom:18px}
.wpart h3{display:flex;align-items:center;gap:10px;margin:0 0 12px;font-size:22px}
.wpart h3 i{font-style:normal;width:34px;height:34px;border-radius:50%;background:var(--orange);color:#fff;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.wpics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:12px}
.wpic{border:4px solid var(--line);background:#fff;border-radius:20px;padding:8px;height:140px;display:flex;align-items:center;justify-content:center}
.wpic img{max-width:100%;max-height:100%;object-fit:contain}
.wpic.picked{border-color:var(--blue);box-shadow:0 0 0 5px rgba(61,111,216,.25);border-radius:50%}
.wpic.bad{border-color:#E57373;box-shadow:0 0 0 5px rgba(229,115,115,.25)}
.wpic.wrong,.wnum.wrong,.tile.wrong,.bal.wrong{animation:shake .35s}
.wmsg{font-weight:600;margin-left:8px}
.wmatch{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.wmatch>div{display:flex;flex-direction:column;gap:12px}
.wmatch .wpic{height:110px}
.wword{border:4px solid var(--line);background:#fff;border-radius:18px;min-height:110px;font-family:Andika,sans-serif;font-weight:700;font-size:28px}
.wword.sel{border-color:var(--blue);background:#EEF3FD}
.done.m0{border-color:var(--green);background:#EFFBF3}.done.m1{border-color:var(--orange);background:#FFF2E8}.done.m2{border-color:var(--purple);background:#F4EEFC}.done.m3{border-color:var(--teal);background:#E8F7F6}
.wcount{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;border-bottom:2px solid var(--line);padding:10px 0}
.wcount .dots{margin:0;justify-content:flex-start}.wcount .dots i{width:34px;height:34px}
.wopts{display:flex;gap:10px}
.wnum{width:60px;height:60px;border-radius:50%;border:4px solid var(--line);background:#fff;font-family:Andika,sans-serif;font-weight:700;font-size:28px}
.wnum.right{border-color:var(--green);background:#EFFBF3}
.palette{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:12px}
.sw{width:46px;height:46px;border-radius:50%;border:4px solid #fff;box-shadow:0 0 0 2px var(--line)}
.sw.on{box-shadow:0 0 0 4px var(--ink)}
.sw-black{background:#1F3550}.sw-red{background:#E53935}.sw-blue{background:#3D6FD8}.sw-yellow{background:#FFC928}.sw-green{background:#2FA866}.sw-orange{background:#FF8A3D}.sw-purple{background:#8E5CD9}.sw-pink{background:#EE5A98}.sw-brown{background:#8B5A2B}
.balloons{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.bal{border:0;background:transparent;display:flex;flex-direction:column;align-items:center;font-family:Andika,sans-serif;font-size:20px}
.bal svg{width:80px;height:110px}.bal ellipse{fill:#fff;stroke:#1F3550;stroke-width:2.5}.bal path{fill:none;stroke:#1F3550;stroke-width:1.5}
.fill-red ellipse{fill:#E53935}.fill-blue ellipse{fill:#3D6FD8}.fill-yellow ellipse{fill:#FFC928}.fill-green ellipse{fill:#2FA866}.fill-orange ellipse{fill:#FF8A3D}.fill-purple ellipse{fill:#8E5CD9}.fill-pink ellipse{fill:#EE5A98}.fill-brown ellipse{fill:#8B5A2B}
.bal.done b::after{content:' ✓';color:var(--green)}
.wblends{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.wbuild{border:3px solid var(--line);border-radius:20px;padding:10px;display:flex;flex-direction:column;align-items:center;gap:10px}
.wbuild img{height:110px;max-width:100%;object-fit:contain}
.wbuild.done{border-color:var(--green);background:#EFFBF3}
.slots{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.slots span{min-width:52px;height:58px;border-bottom:4px solid var(--blue);font-family:Andika,sans-serif;font-weight:700;font-size:36px;display:flex;align-items:center;justify-content:center;padding:0 6px}
.slots.days span{min-width:120px;font-size:22px}
.tiles{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.tile{border:3px solid var(--line);background:#fff;border-radius:14px;min-width:52px;min-height:52px;padding:4px 12px;font-family:Andika,sans-serif;font-weight:700;font-size:26px}
.tile:disabled{opacity:.3}
.wdraw{width:100%;max-width:900px;aspect-ratio:900/520;background:#fff;border:3px solid var(--line);border-radius:20px;touch-action:none;display:block}
.wdone{font-size:20px;padding:8px 18px}
@media (max-width:760px){.wpics{grid-template-columns:repeat(2,1fr)}.balloons{grid-template-columns:repeat(2,1fr)}.wpic{height:120px}}
/* small phones */
.wmatch{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.wword{overflow-wrap:anywhere;padding:6px}
@media (max-width:480px){
  .top{padding:8px 12px}
  .brand span{display:none}
  .top nav a{padding:10px 10px}
  main{padding:14px 10px 30px}
  .panel{padding:12px;border-radius:18px}
  .panel h2{font-size:23px}
  .lhead{gap:10px}.lhead h1{font-size:23px;min-width:0}
  .choices{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .choice{min-height:130px;padding:6px}.choice img{height:96px}.choice .big{font-size:46px}
  .qline .q{font-size:21px}
  .wpart{padding:10px}.wpart h3{font-size:19px}
  .wword{font-size:21px;min-height:96px}.wmatch .wpic{height:96px}
  .wnum{width:52px;height:52px;font-size:24px}
  .wcount .dots i{width:26px;height:26px}
  .slots span{min-width:42px;height:50px;font-size:30px}.slots.days span{min-width:96px;font-size:18px}
  .tile{min-width:46px;min-height:48px;font-size:22px}
  .nav2 .btn{flex:1 1 100%;font-size:17px}
  .hero{padding:16px;border-radius:22px}.hero h1{font-size:30px}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .lcard b{font-size:16px}
  .trace .side{min-width:0}
}
.choice .txt{font-family:Andika,sans-serif;font-weight:700;font-size:26px;overflow-wrap:anywhere;margin:auto 0}
/* phone: show every lesson step at once as a compact grid (no sideways scrolling) */
@media (max-width:600px){
  .steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;overflow:visible;padding:0 0 10px}
  .step{flex-direction:column;gap:2px;padding:6px 4px;min-height:64px;border-radius:14px;font-size:14px;line-height:1.15;text-align:center;justify-content:center;position:relative}
  .step .n{position:absolute;top:4px;left:4px;width:20px;height:20px;font-size:11px}
  .step .ic{font-size:22px;line-height:1}
}