@font-face{font-family:'Itim';src:url('assets/fonts/itim-latin-400-normal.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'BalooB2';src:url('assets/fonts/baloo-bhaijaan-2-arabic-400-normal.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'BalooB2';src:url('assets/fonts/baloo-bhaijaan-2-arabic-500-normal.woff2') format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:'BalooB2';src:url('assets/fonts/baloo-bhaijaan-2-arabic-600-normal.woff2') format('woff2');font-weight:600;font-display:swap}
@font-face{font-family:'BalooB2';src:url('assets/fonts/baloo-bhaijaan-2-arabic-700-normal.woff2') format('woff2');font-weight:700;font-display:swap}

:root{
  --purple:#7B1E7A; --rose:#B33F62; --coral:#F9564F; --amber:#F3C677;
  --navy:#0C0A3E; --lime:#E2F89C; --mist:#DFE0DC; --sky:#C1EEFF;
  --bg:#F9F9F9; --surface:#FFFFFF; --ink:#212526; --ink-soft:#5B6163;
  --line:#E7E6EA; --chip:#FFFFFF; --chip-line:#E2DFE8;
  --shadow:0 1px 2px rgba(12,10,62,.05), 0 6px 18px rgba(12,10,62,.06);
  --ar:'BalooB2',system-ui,sans-serif;
  --en:'Chalkboard SE','Itim','Comic Sans MS',system-ui,sans-serif;
  --r:16px;
}
:root[data-theme="dark"]{
  --bg:#141019; --surface:#1E1826; --ink:#F2EFF5; --ink-soft:#A79FB2;
  --line:#2E2738; --chip:#241D2E; --chip-line:#3A3147;
  --purple:#C86FC6; --rose:#D96B8C; --coral:#FF7A74;
  --shadow:0 1px 2px rgba(0,0,0,.3), 0 6px 20px rgba(0,0,0,.28); color-scheme:dark;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#141019; --surface:#1E1826; --ink:#F2EFF5; --ink-soft:#A79FB2;
    --line:#2E2738; --chip:#241D2E; --chip-line:#3A3147;
    --purple:#C86FC6; --rose:#D96B8C; --coral:#FF7A74;
    --shadow:0 1px 2px rgba(0,0,0,.3), 0 6px 20px rgba(0,0,0,.28); color-scheme:dark;
  }
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink); font-family:var(--ar);
  direction:rtl; font-size:16px; line-height:1.65;
  padding-bottom:116px; overflow-x:hidden;
}
.en{font-family:var(--en);direction:ltr;unicode-bidi:isolate}

/* ---------- header ---------- */
header{
  position:sticky; top:env(safe-area-inset-top, 0px); z-index:40; background:var(--surface);
  border-bottom:1px solid var(--line); padding:10px 16px 0;
}
.hrow{display:flex;align-items:center;gap:12px;max-width:980px;margin:0 auto}
.logo{height:34px;width:auto;display:block}
.spacer{flex:1}
.iconbtn{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--chip-line);
  background:var(--chip);color:var(--ink);font-size:17px;cursor:pointer;
  display:grid;place-items:center;flex:none;
}
.iconbtn:active{transform:scale(.94)}
.grades{display:flex;gap:6px;background:var(--chip);border:1px solid var(--chip-line);border-radius:12px;padding:3px}
.grades button{
  border:0;background:transparent;color:var(--ink-soft);font-family:var(--ar);
  font-size:14px;font-weight:600;padding:5px 11px;border-radius:9px;cursor:pointer;
}
.grades button[aria-pressed="true"]{background:var(--purple);color:#fff}
.grades[hidden],.gtag[hidden]{display:none}
.gtag{font-family:var(--ar);font-size:14px;font-weight:700;color:#fff;background:var(--purple);border-radius:12px;padding:8px 13px;flex:none}

.searchwrap{max-width:980px;margin:10px auto 0;position:relative}
.searchwrap input{
  width:100%;padding:11px 42px 11px 14px;border-radius:13px;border:1px solid var(--chip-line);
  background:var(--chip);color:var(--ink);font-family:var(--ar);font-size:15px;outline:none;
}
.searchwrap input:focus{border-color:var(--purple)}
.searchwrap .si{position:absolute;inset-inline-end:14px;top:50%;transform:translateY(-50%);color:var(--ink-soft);pointer-events:none}

nav{display:flex;gap:4px;max-width:980px;margin:8px auto 0;overflow-x:auto;scrollbar-width:none}
nav::-webkit-scrollbar{display:none}
nav button{
  border:0;background:transparent;color:var(--ink-soft);font-family:var(--ar);font-weight:600;
  font-size:15px;padding:10px 12px 12px;cursor:pointer;white-space:nowrap;
  border-bottom:3px solid transparent;
}
nav button[aria-selected="true"]{color:var(--purple);border-bottom-color:var(--coral)}

/* ---------- layout ---------- */
main{max-width:980px;margin:0 auto;padding:18px 16px 0}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:16px;margin-bottom:14px;box-shadow:var(--shadow);
}
.card > h2{margin:0 0 4px;font-size:18px;font-weight:700}
.card > .sub{margin:0 0 14px;color:var(--ink-soft);font-size:13.5px}
.row{display:flex;align-items:flex-start;gap:12px;padding:11px 0;border-top:1px solid var(--line)}
.row:first-of-type{border-top:0}
.key{
  flex:none;min-width:74px;font-family:var(--en);font-weight:400;font-size:16px;
  color:var(--purple);background:color-mix(in srgb,var(--purple) 10%,transparent);
  border-radius:10px;padding:5px 9px;text-align:center;
}
.key:not(.ar){direction:ltr;unicode-bidi:isolate}   /* "-tion" keeps its hyphen in front */
.key.ar{font-family:var(--ar);font-weight:600}
.meta{font-size:13px;color:var(--ink-soft);margin-top:6px;width:100%}
.chips{display:flex;flex-wrap:wrap;gap:7px;flex:1}

/* ---------- word chip ---------- */
.w{
  font-family:var(--en);font-size:16px;border:1px solid var(--chip-line);background:var(--chip);
  color:var(--ink);border-radius:11px;padding:7px 12px;cursor:pointer;
  display:inline-flex;align-items:center;gap:7px;transition:transform .08s,border-color .12s;
}
.w:active{transform:scale(.96)}
.w.on{border-color:var(--coral);box-shadow:0 0 0 2px color-mix(in srgb,var(--coral) 28%,transparent)}
.w.playing{border-color:var(--coral);background:color-mix(in srgb,var(--coral) 12%,var(--chip))}
.w.known::after{content:"✓";color:var(--purple);font-size:12px;font-weight:700}
.w .mini{font-family:var(--ar);font-size:12.5px;color:var(--ink-soft)}
.w.loading,.vrow.loading .play{animation:pulse .9s ease-in-out infinite}
@keyframes pulse{50%{opacity:.55}}

/* ---------- phonics (sounds tab) ---------- */
.shead{margin:22px 2px 10px}
.shead:first-child{margin-top:2px}
.shead h3{margin:0;font-size:19px;font-weight:700;color:var(--purple);display:flex;align-items:center;gap:9px}
.shead h3::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--coral);flex:none}
.shead p{margin:2px 0 0;color:var(--ink-soft);font-size:13.5px}
.shead.mine h3::before{background:var(--purple)}
.rbody{display:flex;flex-direction:column;gap:8px;flex:1;min-width:0}
.snd{font-size:14px;font-weight:600;color:var(--rose)}


/* vocabulary list */
.vrow{
  display:flex;align-items:center;gap:12px;padding:10px 2px;border-top:1px solid var(--line);
  cursor:pointer;
}
.vrow:first-child{border-top:0}
.vrow.playing{background:color-mix(in srgb,var(--coral) 9%,transparent);border-radius:10px}
.vrow .vmain{flex:1;min-width:0}
.vrow .vline{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.vrow .vw{font-family:var(--en);font-size:16.5px;direction:ltr;unicode-bidi:isolate}
.vrow .vm{font-size:14px;color:var(--ink-soft);margin-top:1px}
.vrow .vt{font-size:13.5px;color:var(--rose)}
.vrow .ex{font-family:var(--en);direction:ltr;font-size:13.5px;color:var(--ink-soft);margin-top:3px}
.vrow .play{flex:none;width:32px;height:32px;border-radius:10px;border:1px solid var(--chip-line);background:var(--chip);display:grid;place-items:center;color:var(--purple)}
.vhead{display:flex;align-items:center;gap:9px;margin:16px 0 4px;font-weight:700;font-size:15.5px;color:var(--purple)}
.vhead .dot{width:8px;height:8px;border-radius:50%;background:var(--coral);flex:none}
.uhead{font-weight:600;font-size:14px;color:var(--ink-soft);margin:14px 0 2px}

/* pairs */
.pair{display:flex;gap:10px;align-items:center;justify-content:center;flex-wrap:wrap;padding:9px 0;border-top:1px solid var(--line)}
.pair:first-child{border-top:0}
.pair .vs{color:var(--ink-soft);font-size:13px;flex:none}

details.acc{border:1px solid var(--line);border-radius:13px;margin-bottom:10px;background:var(--surface);overflow:hidden}
details.acc > summary{
  padding:13px 15px;cursor:pointer;font-weight:600;font-size:15.5px;list-style:none;
  display:flex;align-items:center;gap:9px;
}
details.acc > summary::-webkit-details-marker{display:none}
details.acc > summary::after{content:"▾";margin-inline-start:auto;color:var(--ink-soft);transition:transform .15s}
details.acc[open] > summary::after{transform:rotate(180deg)}
details.acc > .body{padding:0 15px 14px}
.count{font-size:12.5px;color:var(--ink-soft);font-weight:500}

.prog{height:5px;border-radius:99px;background:var(--line);overflow:hidden;margin-top:9px}
.prog > i{display:block;height:100%;background:linear-gradient(90deg,var(--amber),var(--coral),var(--purple));width:0}

.empty{text-align:center;color:var(--ink-soft);padding:40px 16px;font-size:15px}

/* ---------- player bar ---------- */
.bar{
  position:fixed;inset-inline:0;bottom:0;z-index:50;background:var(--surface);
  border-top:1px solid var(--line);padding:9px 14px calc(9px + env(safe-area-inset-bottom));
  transform:translateY(130%);transition:transform .22s cubic-bezier(.2,.8,.3,1);
  box-shadow:0 -6px 24px rgba(12,10,62,.08);
}
.bar.show{transform:translateY(0)}
.barin{max-width:980px;margin:0 auto;display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.barword{font-family:var(--en);font-size:17px;font-weight:400;margin-inline-end:auto;min-width:0;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:48%}
.bbtn{
  border:1px solid var(--chip-line);background:var(--chip);color:var(--ink);
  border-radius:11px;padding:8px 11px;font-family:var(--ar);font-size:13.5px;font-weight:600;
  cursor:pointer;display:inline-flex;align-items:center;gap:6px;flex:none;
}
.bbtn:active{transform:scale(.95)}
.bbtn.primary{background:var(--purple);border-color:var(--purple);color:#fff}
.bbtn.rec{background:var(--coral);border-color:var(--coral);color:#fff}
.bbtn[disabled]{opacity:.45;pointer-events:none}
.bbtn.mark.on{background:color-mix(in srgb,var(--purple) 14%,transparent);border-color:var(--purple);color:var(--purple)}
.rechint{font-size:12.5px;color:var(--ink-soft);width:100%}

.toast{
  position:fixed;bottom:130px;inset-inline:0;margin:auto;width:max-content;max-width:88%;
  background:var(--navy);color:#fff;padding:9px 15px;border-radius:12px;font-size:13.5px;
  z-index:60;opacity:0;transition:opacity .2s;pointer-events:none;
}
.toast.show{opacity:.96}
:root[data-theme="dark"] .toast{background:#3A3147}

footer{max-width:980px;margin:22px auto 0;padding:0 16px 10px;color:var(--ink-soft);font-size:12.5px;text-align:center}

@media (max-width:560px){
  .vrow{flex-wrap:wrap}
  .vrow .vm{flex-basis:100%;order:3}
  .vrow .vt{order:2}
  .key{min-width:62px;font-size:15px}
  .barword{max-width:100%;flex-basis:100%;margin:0 0 2px}
}
@media print{.bar,nav,header{display:none}}

/* shortcuts at the top of the sounds tab */
nav.jump{display:flex;gap:7px;overflow-x:auto;scrollbar-width:none;margin:0 -16px 6px;padding:2px 16px 4px;max-width:none}
nav.jump::-webkit-scrollbar{display:none}
nav.jump button{
  flex:none;border:1px solid var(--chip-line);background:var(--chip);color:var(--ink);
  font-family:var(--ar);font-size:13.5px;font-weight:600;padding:6px 12px;border-radius:99px;cursor:pointer;
  border-bottom:1px solid var(--chip-line);
}
nav.jump button.mine{background:var(--purple);border-color:var(--purple);color:#fff}
nav.jump button:active{transform:scale(.96)}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* voice menu, above the player bar */
#bVoice .vic svg{width:17px;height:17px;fill:currentColor;display:block}
.vmenu{position:absolute;bottom:calc(100% + 8px);inset-inline-end:14px;z-index:55;min-width:170px;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);
  padding:6px;display:flex;flex-direction:column;gap:2px}
.vmenu[hidden]{display:none}
.vitem{display:flex;align-items:center;gap:10px;border:0;background:transparent;color:var(--ink);
  font-family:var(--ar);font-size:15px;font-weight:600;padding:9px 10px;border-radius:10px;cursor:pointer;text-align:start}
.vitem:hover,.vitem:focus-visible{background:color-mix(in srgb,var(--purple) 9%,transparent)}
.vitem[aria-checked="true"]{color:var(--purple)}
.vitem .vic svg{width:20px;height:20px;fill:currentColor;display:block}
.vitem .tick{margin-inline-start:auto;font-size:13px}
#bVoice[hidden]{display:none}

/* a word this voice does not have yet (partial preview only) */
.w.nv,.vrow.nv{opacity:.42}

/* welcome card at the top of the sounds tab: what the lab is, how to use it */
details.intro{
  border:1px solid color-mix(in srgb,var(--purple) 22%,var(--line));border-radius:var(--r);
  margin-bottom:14px;box-shadow:var(--shadow);overflow:hidden;
  background:
    radial-gradient(120% 140% at 100% 0%,color-mix(in srgb,var(--amber) 20%,transparent) 0,transparent 55%),
    linear-gradient(135deg,color-mix(in srgb,var(--purple) 9%,var(--surface)),color-mix(in srgb,var(--coral) 7%,var(--surface)));
}
details.intro > summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:10px;padding:16px 16px 4px}
details.intro > summary::-webkit-details-marker{display:none}
details.intro > summary::after{content:"▾";margin-inline-start:auto;color:var(--ink-soft);transition:transform .15s}
details.intro[open] > summary::after{transform:rotate(180deg)}
.intro .i-open{display:flex;flex-direction:column;line-height:1.3}
.intro .i-hi{font-size:14px;font-weight:600;color:var(--rose)}
.intro .i-open b{font-size:22px;font-weight:700;color:var(--purple);text-wrap:balance}
.intro .i-closed{display:none;font-weight:600;font-size:15px;color:var(--purple)}
details.intro:not([open]) > summary{padding:12px 16px}
details.intro:not([open]) .i-open{display:none}
details.intro:not([open]) .i-closed{display:block}
.intro .ibody{padding:2px 16px 16px}
.intro .ilead{margin:4px 0 4px;font-size:15.5px;max-width:64ch}
.intro h4{margin:14px 0 8px;font-size:15.5px;font-weight:700}
.igrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,200px),1fr));gap:8px}
.itab{display:flex;flex-direction:column;align-items:flex-start;gap:2px;text-align:start;min-width:0;
  border:1px solid var(--chip-line);background:var(--surface);color:var(--ink);border-radius:12px;
  padding:10px 12px;cursor:pointer;font-family:var(--ar)}
.itab b{font-size:15px;color:var(--purple)}
.itab span{font-size:13.5px;color:var(--ink-soft);line-height:1.55}
.itab:active{transform:scale(.98)}
.isteps{margin:0;padding-inline-start:22px;display:flex;flex-direction:column;gap:6px;font-size:14.5px}
.isteps li::marker{color:var(--coral);font-weight:700}
.isteps li[hidden]{display:none}
.itip{margin:12px 0 0;font-size:13.5px;color:var(--ink-soft)}
.igo{margin-top:14px;border:0;background:var(--purple);color:#fff;font-family:var(--ar);font-weight:700;
  font-size:15px;border-radius:12px;padding:10px 24px;cursor:pointer}
.igo:active{transform:scale(.97)}
@media (max-width:560px){
  /* the four sections as a compact list on a phone */
  .igrid{display:flex;flex-direction:column;gap:0;border:1px solid var(--chip-line);border-radius:12px;background:var(--surface);overflow:hidden}
  .itab{flex-direction:row;align-items:center;gap:10px;border:0;border-top:1px solid var(--line);border-radius:0;padding:9px 10px}
  .itab:first-child{border-top:0}
  .itab b{flex:none;width:76px;font-size:14px;text-align:center;background:color-mix(in srgb,var(--purple) 10%,transparent);border-radius:9px;padding:3px 6px}
  .itab span{font-size:13px}
}
.isteps{list-style:arabic-indic}
.isteps .nb{white-space:nowrap}

/* the student's progress, at the top of every tab */
.pcard{padding:14px 16px}
.pc-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap}
.pcard > .pc-head h2{margin:0;font-size:17px}
.pc-count{font-size:14px;color:var(--ink-soft)}
.pc-count b{font-size:20px;color:var(--purple);font-weight:700}
.pc-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin-top:12px}
.pc-tab{display:flex;flex-direction:column;align-items:center;gap:1px;border:1px solid var(--chip-line);background:var(--chip);
  color:var(--ink-soft);border-radius:11px;padding:6px 4px;font-family:var(--ar);font-size:12.5px;cursor:pointer;min-width:0}
.pc-tab span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.pc-tab b{font-size:14px;color:var(--ink);font-weight:700}
.pc-tab.on{border-color:var(--purple);background:color-mix(in srgb,var(--purple) 9%,var(--chip));color:var(--purple)}
.pc-tab.full b{color:var(--purple)}
.pc-tab.full b::after{content:" ✓"}
.pc-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:10px}
.pc-hint{margin:0;font-size:13.5px;color:var(--ink-soft);flex:1;min-width:200px}
.pc-hide{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--ink);cursor:pointer;flex:none}
.pc-hide input{width:18px;height:18px;accent-color:var(--purple);margin:0}
/* learned words hidden when the student asks */
#view.hide-known .w.known,#view.hide-known .vrow.known,#view.hide-known .row.done,#view.hide-known .pair.done{display:none}
.vrow.known .vw::after{content:" ✓";color:var(--purple);font-size:13px;font-family:var(--ar)}