@font-face{font-family:"Thmanyah Sans";src:url("fonts/thmanyahsans-Light.woff2") format("woff2");font-weight:300;font-style:normal;font-display:swap}
@font-face{font-family:"Thmanyah Sans";src:url("fonts/thmanyahsans-Regular.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Thmanyah Sans";src:url("fonts/thmanyahsans-Medium.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Thmanyah Sans";src:url("fonts/thmanyahsans-Bold.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Thmanyah Sans";src:url("fonts/thmanyahsans-Black.woff2") format("woff2");font-weight:900;font-style:normal;font-display:swap}
/* Layout: light header, one 1040px column; home = six science tiles, science = lesson list, lesson = videos / competitions / files. Single light theme by request. */
:root{
  --bg:#F9FBFA; --surface:#FFFFFF; --ink:#33474A; --muted:#7A8C8C; --line:#E6EEEC;
  --coral:#E07E68; --coral-ink:#B85A45; --coral-soft:#FDF0EC; --on-coral:#FFFFFF;
  --sea:#4A9A93; --sea-ink:#2F7770; --sea-soft:#EBF6F4;
  --good:#3F9467; --good-soft:#EAF6EF; --bad:#C9604F; --bad-soft:#FCEDEA;
  --t-nahw:#EBF6F4; --i-nahw:#2F7770;
  --t-sarf:#F1EEFB; --i-sarf:#5F4FB0;
  --t-kitaba:#FDF0EC; --i-kitaba:#B85A45;
  --t-adab:#FBF4E4; --i-adab:#93671B;
  --t-qiraa:#EAF3FB; --i-qiraa:#2F6C9E;
  --t-istimaa:#EEF7EA; --i-istimaa:#477A2F;
  --f-display:"Thmanyah Serif Display","Thmanyah Sans","IBM Plex Sans Arabic",Tahoma,serif;
  --f-ui:"Thmanyah Sans","IBM Plex Sans Arabic","Segoe UI",Tahoma,system-ui,sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--f-ui);font-size:15.5px;line-height:1.7}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--surface)}
a{color:var(--sea-ink)}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px}
.wrap{max-width:1040px;margin-inline:auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--surface);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;padding-block:10px;min-height:62px}
.brand{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none;font-family:var(--f-display);font-size:23px;font-weight:700}
.brand .dot{width:12px;height:12px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 4px var(--coral-soft)}
nav.main{display:flex;gap:4px;flex-wrap:wrap}
nav.main a{color:inherit;text-decoration:none;padding:6px 14px;border-radius:999px;font-weight:500}
nav.main a.on{background:var(--sea-soft);color:var(--sea-ink)}
main{padding-block:28px 64px;min-height:60vh}
h1,h2,h3{text-wrap:balance}
.page-h{font-family:var(--f-display);font-weight:700;font-size:clamp(28px,4.6vw,40px);line-height:1.35;margin:6px 0 6px}
.lead{color:var(--muted);font-size:17px;max-width:62ch;margin:0}
.muted{color:var(--muted)}
.crumbs{display:flex;gap:8px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
.crumbs a{color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font:inherit;font-weight:700;font-size:14.5px;padding:8px 18px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;text-decoration:none;min-height:42px}
.btn:hover{border-color:var(--sea)}
.btn.primary{background:var(--coral-soft);border-color:color-mix(in srgb,var(--coral) 35%,transparent);color:var(--coral-ink)}
.btn.primary:hover{background:color-mix(in srgb,var(--coral) 18%,var(--surface));border-color:var(--coral)}
.btn.sm{padding:4px 12px;min-height:32px;font-size:13px}
.btn.ghost{background:transparent}
.btn.danger{color:var(--bad)}
.btn[data-armed]{background:var(--bad-soft);border-color:var(--bad);color:var(--bad)}
.btn:disabled{opacity:.6;cursor:default}
.state{padding:28px 20px;border:1px dashed var(--line);border-radius:14px;text-align:center;color:var(--muted)}

.hero{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center;padding-bottom:26px;margin-bottom:28px;border-bottom:1px solid var(--line)}
.hero h1{font-family:var(--f-display);font-weight:700;font-size:clamp(28px,5vw,44px);line-height:1.35;margin:4px 0 8px}
.eyebrow{font-size:14px;font-weight:700;color:var(--sea-ink);margin:0}
.dad{font-family:var(--f-display);font-weight:700;font-size:clamp(96px,15vw,150px);line-height:1.1;color:var(--coral);text-align:center}
.dad small{display:block;font-family:var(--f-ui);font-size:13px;font-weight:500;color:var(--muted);margin-top:4px}
@media (max-width:620px){.hero{grid-template-columns:1fr}.dad{display:none}}
.sciences{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
@media (max-width:820px){.sciences{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.sciences{grid-template-columns:minmax(0,1fr)}}
.sci{display:grid;grid-template-columns:auto minmax(0,1fr);gap:16px;align-items:center;padding:18px;border-radius:16px;background:var(--surface);border:1px solid var(--line);color:inherit;text-decoration:none;transition:border-color .15s,transform .15s}
.sci:hover{transform:translateY(-2px);border-color:var(--tc)}
.glyph{width:64px;height:64px;border-radius:16px;display:grid;place-items:center;background:var(--tt);color:var(--tc);font-family:var(--f-display);font-weight:700;font-size:34px;line-height:1}
.sci h2{margin:0;font-family:var(--f-display);font-size:22px;font-weight:700}
.sci p{margin:2px 0 6px;color:var(--muted);font-size:14px}
.sci .n{font-size:13px;font-weight:700;color:var(--tc)}

.sci-head{display:flex;gap:18px;align-items:center;margin:10px 0 4px}
.sci-head .glyph{width:76px;height:76px;font-size:42px;flex:none}
.lessons{list-style:none;padding:0;margin:22px 0 0;display:flex;flex-direction:column;gap:10px}
.lessons a{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:14px;align-items:center;padding:16px 18px;background:var(--surface);border:1px solid var(--line);border-radius:14px;color:inherit;text-decoration:none}
.lessons a:hover{border-color:var(--sea)}
.ln{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--tt);color:var(--tc);font-weight:700;font-variant-numeric:tabular-nums}
.lt h3{margin:0;font-size:19px;font-family:var(--f-display);font-weight:700}
.lt p{margin:2px 0 0;color:var(--muted)}
.counts{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
.cnt{font-size:12.5px;font-weight:500;padding:2px 10px;border-radius:999px;background:var(--bg);border:1px solid var(--line);color:var(--muted)}
.arrow{color:var(--muted);font-size:20px}
.levels{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:22px 0 4px}
@media (max-width:620px){.levels{grid-template-columns:repeat(2,minmax(0,1fr))}}
.levels.lv2{grid-template-columns:repeat(2,minmax(0,1fr));max-width:520px}
.lvtab{display:flex;flex-direction:column;gap:2px;padding:10px 14px;border-radius:12px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none}
.lvtab b{font-size:15.5px}
.lvtab span{font-size:12.5px;color:var(--muted)}
.lvtab:hover{border-color:var(--tc)}
.lvtab.on{background:var(--tt);border-color:var(--tc)}
.lvtab.on b{color:var(--tc)}

.block{margin-top:30px}
.block-h{display:flex;align-items:baseline;gap:10px;margin:0 0 14px}
.block-h h2{margin:0;font-family:var(--f-display);font-size:24px;font-weight:700}
.block-h span{color:var(--muted);font-size:14px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:10px;min-width:0}
.card h3{margin:0;font-size:17px;font-weight:700}
.card p{margin:0;color:var(--muted);font-size:14px;white-space:pre-line}
.yt-frame{position:relative;width:100%;aspect-ratio:16/9;max-width:100%;border-radius:10px;overflow:hidden;background:#000}
.yt-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.grid.vids{grid-template-columns:repeat(auto-fill,minmax(min(100%,440px),1fr))}
.gate{max-width:560px;margin:30px auto;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px}
.vid video{width:100%;max-width:100%;aspect-ratio:16/9;background:#000;border-radius:10px;display:block}
.vthumb{aspect-ratio:16/9;max-width:100%;border-radius:10px;background:var(--sea-soft);display:grid;place-items:center;color:var(--sea-ink);text-decoration:none}
.vthumb .play{width:58px;height:58px;border-radius:50%;background:var(--surface);display:grid;place-items:center;box-shadow:0 2px 10px color-mix(in srgb,var(--ink) 14%,transparent)}
.vthumb.soon{background:var(--bg);border:1px dashed var(--line);color:var(--muted);font-size:14px;text-align:center;padding:12px}
.quizcard{background:var(--coral-soft);border-color:color-mix(in srgb,var(--coral) 25%,transparent)}
.quizcard .meta{font-size:13.5px;color:var(--coral-ink);font-weight:500}
.filecard{flex-direction:row;align-items:center}
.ficon{width:44px;height:52px;border-radius:8px;background:var(--sea-soft);color:var(--sea-ink);display:grid;place-items:center;font-size:12px;font-weight:700;flex:none;direction:ltr}
.filecard .fbody{flex:1;min-width:0}
.filecard .fbody p{overflow-wrap:anywhere}

.quiz{max-width:760px;margin:16px auto 0;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px}
.quiz h2{font-family:var(--f-display);font-weight:700;margin:0 0 4px;font-size:26px}
.namebox{display:flex;flex-direction:column;gap:10px;margin-top:18px;max-width:420px}
.namebox label{font-weight:700}
.qhead{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.qhead .who{margin-inline-start:auto;color:var(--muted);font-size:14px}
.dots{display:flex;gap:6px;flex-wrap:wrap}
.dots i{width:10px;height:10px;border-radius:50%;background:var(--line)}
.dots i.ok{background:var(--good)}.dots i.no{background:var(--bad)}
.dots i.now{background:var(--coral);box-shadow:0 0 0 3px var(--coral-soft)}
.qnum{font-weight:700;font-size:15px;margin:0}
.qprompt{font-weight:700;font-size:clamp(20px,3.2vw,26px);line-height:2;margin:4px 0 18px}
.blank{display:inline-block;min-width:2.2em;border-bottom:3px solid var(--coral);text-align:center;color:var(--coral-ink);font-weight:900;margin-inline:4px;line-height:1.3}
.opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px}
.opts.marks{grid-template-columns:repeat(auto-fill,minmax(68px,88px))}
.opt{font:inherit;font-size:17px;font-weight:500;padding:12px 14px;border-radius:12px;border:1.5px solid var(--line);background:var(--bg);color:var(--ink);cursor:pointer;text-align:start;line-height:1.7}
.opt.mark{font-size:34px;font-weight:900;text-align:center;padding:0;aspect-ratio:1;max-width:100%}
.opt:hover:not(:disabled){border-color:var(--coral)}
.opt:disabled{cursor:default}
.opt.right{border-color:var(--good);background:var(--good-soft);color:var(--good)}
.opt.wrong{border-color:var(--bad);background:var(--bad-soft);color:var(--bad)}
.opt.dim{opacity:.45}
.fb{margin-top:16px;padding:12px 16px;border-radius:12px}
.fb.good{background:var(--good-soft);color:var(--good)}
.fb.bad{background:var(--bad-soft);color:var(--bad)}
.fb p{margin:0;color:var(--ink)}
.qactions{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap}
.summary{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.score{width:120px;height:120px;border-radius:50%;display:grid;place-content:center;text-align:center;background:var(--sea-soft);color:var(--sea-ink);flex:none}
.score b{font-family:var(--f-display);font-size:44px;line-height:1;font-variant-numeric:tabular-nums}
.summary h3{font-family:var(--f-display);margin:0 0 4px;font-size:22px;font-weight:700}
.savebox{margin-top:18px;padding:14px 16px;border-radius:12px;background:var(--bg);border:1px solid var(--line)}
.savebox p{margin:0 0 8px}
.savebox pre{margin:0 0 10px;white-space:pre-wrap;font:inherit;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px 12px;user-select:all}
.review{list-style:none;padding:0;margin:18px 0 0;display:flex;flex-direction:column;gap:8px}
.review li{padding:12px 14px;border-radius:12px;background:var(--bg)}
.review .rq{font-size:17px;font-weight:700;margin:0}
.review .ra{margin:4px 0 0;color:var(--muted);font-size:14px}

.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:18px 0 20px;overflow-x:auto}
.tab{font:inherit;font-weight:700;padding:10px 14px;border:0;background:none;color:var(--muted);border-bottom:2px solid transparent;cursor:pointer;white-space:nowrap}
.tab.on{color:var(--ink);border-bottom-color:var(--coral)}
.tsci{border:1px solid var(--line);border-radius:14px;background:var(--surface);margin-bottom:14px;overflow:hidden}
.trow{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 16px}
.trow>div:first-child{min-width:0;display:flex;align-items:center;gap:12px}
.trow.head{background:var(--tt)}
.trow.head h2{margin:0;font-family:var(--f-display);font-size:21px;font-weight:700;color:var(--tc)}
.trow h3{margin:0;font-size:16px}
.tglyph{width:40px;height:40px;font-size:22px;border-radius:10px;background:var(--surface)}
.acts{display:flex;gap:6px;flex-wrap:wrap}
.tlesson{border-top:1px solid var(--line)}
.tlevel{border-top:1px solid var(--line)}
.tlv-h{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 16px;background:var(--bg)}
.tlv-h span{font-weight:700;color:var(--tc);font-size:14px}
.tlv-empty{margin:0;padding:8px 16px 12px;color:var(--muted);font-size:13.5px}
.tquiz{display:flex;flex-wrap:wrap;gap:8px;padding:0 16px 12px}
.qchip{display:flex;align-items:center;gap:6px;padding:4px 6px;border-radius:999px;background:var(--coral-soft);font-size:13.5px}
.qchip span{font-weight:700;color:var(--coral-ink);padding-inline:8px 2px}
.note{background:var(--sea-soft);border-radius:14px;padding:16px 18px;margin-top:24px}
.note h3{margin:0 0 6px;font-size:16px}
.note p{margin:0 0 6px;max-width:75ch}
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.filters select{width:auto;min-width:220px;max-width:100%}
.stats{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px 16px}
.stat b{display:block;font-size:22px;font-variant-numeric:tabular-nums}
.stat span{font-size:13px;color:var(--muted)}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
table{border-collapse:collapse;width:100%;font-variant-numeric:tabular-nums}
th,td{padding:10px 14px;text-align:start;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-size:13px;color:var(--muted);font-weight:700;background:var(--bg)}
tr:last-child td{border-bottom:0}
td.sc-good{color:var(--good);font-weight:700}td.sc-mid{color:var(--coral-ink);font-weight:700}

#overlay{position:fixed;inset:0;z-index:20;background:color-mix(in srgb,var(--ink) 30%,transparent);display:flex;justify-content:center;align-items:flex-start;overflow-y:auto;padding:max(24px,env(safe-area-inset-top,0px)) max(12px,env(safe-area-inset-right,0px)) max(24px,env(safe-area-inset-bottom,0px)) max(12px,env(safe-area-inset-left,0px))}
.sheet{width:min(740px,100%);background:var(--surface);border-radius:16px;padding:22px}
.sheet h2{font-family:var(--f-display);margin:0 0 16px;font-weight:700}
.field{display:flex;flex-direction:column;gap:6px;margin:0 0 14px;border:0;padding:0;min-width:0}
.field label,.field legend{font-weight:700;font-size:14px;padding:0;margin-bottom:4px}
.hint{font-size:12.5px;color:var(--muted)}
input[type=text],input[type=url],input[type=number],textarea,select{font:inherit;padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);width:100%}
textarea{min-height:80px;resize:vertical;line-height:1.8}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:560px){.grid2{grid-template-columns:1fr}}
.rowbox{border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:12px;background:var(--bg)}
.rowbox input[type=text],.rowbox input[type=url],.rowbox textarea{background:var(--surface)}
.rb-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.optrow{display:flex;gap:8px;align-items:center;margin-bottom:6px}
.optrow input[type=radio]{width:18px;height:18px;accent-color:var(--good);flex:none}
.upl-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.upl-row input[type=file]{max-width:100%}
.sub-h{font-size:17px;margin:22px 0 10px;padding-top:14px;border-top:1px solid var(--line)}
.sheet-foot{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:18px;position:sticky;bottom:0;background:var(--surface);padding-block:12px 0}
.status{color:var(--bad);font-size:13.5px}
.status.ok{color:var(--muted)}
#toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(20px + env(safe-area-inset-bottom,0px));z-index:30;background:var(--sea-ink);color:var(--on-coral);padding:10px 20px;border-radius:999px;font-weight:700;max-width:calc(100% - 32px)}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:13px}
footer .wrap{padding-block:20px}
footer p{margin:0}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

.tbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.tbar .page-h{margin:0}

.choice{border:0;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:8px;min-width:0}
.choice legend{font-weight:700;padding:0;margin-bottom:8px}
.ch-opt{display:flex;align-items:center;gap:10px;padding:10px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--bg);cursor:pointer;font-weight:500}
.ch-opt:has(input:checked){border-color:var(--sea);background:var(--sea-soft);color:var(--sea-ink)}
.ch-opt input{width:18px;height:18px;accent-color:var(--sea);margin:0}