@font-face {
  font-family: 'Assistant';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url(fonts/assistant-hebrew.woff2) format('woff2');
  unicode-range: U+0307-0308, U+0590-05FF, U+200C-2010, U+20AA, U+25CC, U+FB1D-FB4F;
}
@font-face {
  font-family: 'Assistant';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url(fonts/assistant-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Rubik';
  font-style: normal;
  font-weight: 500 800;
  font-display: swap;
  src: url(fonts/rubik-hebrew.woff2) format('woff2');
  unicode-range: U+0307-0308, U+0590-05FF, U+200C-2010, U+20AA, U+25CC, U+FB1D-FB4F;
}
@font-face {
  font-family: 'Rubik';
  font-style: normal;
  font-weight: 500 800;
  font-display: swap;
  src: url(fonts/rubik-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root{
  --bg:#FBFAF7;--surface:#FFFFFF;--surface2:#F3F1EC;--line:#E6E2DA;--ink:#1D2433;--ink2:#4A5263;--ink3:#6B7282;
  --p:#4F46E5;--p2:#EEF0FF;--p-ink:#3730A3;--a:#F59E0B;--a2:#FFF4DB;--g:#0E9F6E;--g2:#E3F7EE;--r:#DC2626;--r2:#FDECEC;
  --l1:#0E9F6E;--l2:#2563EB;--l3:#7C3AED;--l4:#D97706;--l5:#DB2777;--l6:#0891B2;--l7:#C026D3;--l8:#EA580C;--l9:#E11D48;--l10:#4F46E5;--l11:#65A30D;
  --code-bg:#1B2130;--code-ink:#E7EAF3;
  --radius:16px;--shadow:0 1px 2px rgba(20,24,40,.06),0 6px 24px rgba(20,24,40,.06);
  --side:330px;--top:60px;
  --f-body:'Assistant',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;--f-head:'Rubik','Assistant',system-ui,sans-serif;
  --f-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  color-scheme:light;
}
[data-theme=dark]{
  --bg:#12151D;--surface:#1A1F2B;--surface2:#222837;--line:#2E3546;--ink:#ECEFF6;--ink2:#BAC1D0;--ink3:#8E97AA;
  --p:#8B85FF;--p2:#25264A;--p-ink:#C7C4FF;--a:#FBBF24;--a2:#3A2F14;--g:#34D399;--g2:#14332A;--r:#F87171;--r2:#3A1C1F;
  --l1:#34D399;--l2:#60A5FA;--l3:#A78BFA;--l4:#FBBF24;--l5:#F472B6;--l6:#22D3EE;--l7:#E879F9;--l8:#FB923C;--l9:#FB7185;--l10:#818CF8;--l11:#A3E635;--code-bg:#0C0F16;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 24px rgba(0,0,0,.25);color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:18px;line-height:1.7;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--f-head);line-height:1.3;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
a{color:var(--p)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--a);outline-offset:2px;border-radius:8px}
.skip{position:absolute;top:-60px;right:12px;background:var(--p);color:#fff;padding:8px 14px;border-radius:10px;z-index:100}
.skip:focus{top:10px}
svg{display:block}
/* top bar */
.topbar{position:sticky;top:0;z-index:30;height:var(--top);display:flex;align-items:center;gap:12px;padding:0 18px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand .logo{width:38px;height:38px;border-radius:12px;background:var(--p);display:grid;place-items:center;font-size:20px}
.brand b{display:block;font-family:var(--f-head);font-size:17px;line-height:1.2}
.brand small{display:block;color:var(--ink3);font-size:13px;line-height:1.2}
.top-actions{margin-inline-start:auto;display:flex;align-items:center;gap:6px}
.top-link{color:var(--ink2);text-decoration:none;font-weight:600;padding:8px 12px;border-radius:10px}
.top-link:hover{background:var(--surface2)}
.icon-btn{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center}
.icon-btn svg{width:22px;height:22px;fill:none;stroke:var(--ink);stroke-width:2;stroke-linecap:round}
.icon-btn:hover{background:var(--surface2)}
#themeBtn .sun{display:none}[data-theme=dark] #themeBtn .sun{display:block}[data-theme=dark] #themeBtn .moon{display:none}
.menu-btn{display:none}
/* layout */
.layout{display:grid;grid-template-columns:var(--side) minmax(0,1fr);min-height:calc(100vh - var(--top))}
.sidebar{position:sticky;top:var(--top);height:calc(100vh - var(--top));overflow-y:auto;border-inline-end:1px solid var(--line);background:var(--surface);display:flex;flex-direction:column;overscroll-behavior:contain}
.side-head{padding:16px 16px 8px;position:sticky;top:0;background:var(--surface);z-index:2}
.progress-card{background:var(--p2);border-radius:14px;padding:10px 14px;margin-bottom:12px}
.pc-row{display:flex;justify-content:space-between;font-size:15px;color:var(--p-ink)}
.bar{height:8px;border-radius:99px;background:color-mix(in srgb,var(--p) 18%,transparent);overflow:hidden;margin-top:6px}
.bar i{display:block;height:100%;width:0;background:var(--p);border-radius:99px;transition:width .4s}
.search{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:12px;padding:0 12px;background:var(--bg)}
.search svg{width:18px;height:18px;fill:none;stroke:var(--ink3);stroke-width:2;flex:none}
.search input{border:0;background:none;outline:none;padding:10px 0;width:100%;font-size:16px}
.search:focus-within{border-color:var(--p);box-shadow:0 0 0 3px var(--p2)}
.filters{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:99px;padding:4px 12px;font-size:14px;font-weight:600;color:var(--ink2);min-height:32px}
.chip.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.levels{padding:4px 10px 16px;flex:1}
.lvl{margin-top:6px}
.lvl-h{width:100%;display:flex;align-items:center;gap:10px;border:0;background:none;padding:10px 8px;border-radius:12px;text-align:right}
.lvl-h:hover{background:var(--surface2)}
.lvl-dot{width:12px;height:12px;border-radius:50%;background:var(--lc);flex:none;box-shadow:0 0 0 4px color-mix(in srgb,var(--lc) 18%,transparent)}
.lvl-h b{font-family:var(--f-head);font-size:17px}
.lvl-h small{color:var(--ink3);font-size:13px;margin-inline-start:auto;white-space:nowrap}
.lvl-h .chev{width:18px;height:18px;fill:none;stroke:var(--ink3);stroke-width:2;transition:transform .2s;flex:none}
.lvl[data-open="0"] .chev{transform:rotate(90deg)}
.lvl[data-open="0"] .lvl-list{display:none}
.lvl-list{list-style:none;margin:0;padding:0 4px 4px}
.lsn{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:12px;text-decoration:none;color:var(--ink);font-size:16px;line-height:1.35;min-height:48px}
.lsn:hover{background:var(--surface2)}
.lsn.cur{background:var(--p2);color:var(--p-ink);font-weight:700}
.lsn .em{width:32px;height:32px;border-radius:10px;background:var(--surface2);display:grid;place-items:center;flex:none;font-size:17px}
.lsn.cur .em{background:var(--surface)}
.lsn .t{flex:1}
.lsn .m{font-size:13px;color:var(--ink3);white-space:nowrap}
.lsn .ck{width:22px;height:22px;border-radius:50%;border:2px solid var(--line);flex:none;display:grid;place-items:center;font-size:12px;color:#fff}
.lsn.done .ck{background:var(--g);border-color:var(--g)}
.lsn.done .ck::after{content:"✓";font-weight:800}
/* lesson labels (course.json "label"): חובה! = strong, העשרה = muted. The old "חדש" badge was removed (Ofer, Nov 4). */
.lbl{display:inline-block;font-size:11.5px;font-weight:800;line-height:1.5;border-radius:6px;padding:0 6px;margin-inline-start:4px;vertical-align:1px;white-space:nowrap;font-family:var(--f-body)}
.lbl-must{background:#B4234A;color:#fff}
[data-theme=dark] .lbl-must{background:#F27794;color:#2A0812}
.lbl-extra{background:var(--surface2);color:var(--ink2);border:1px solid var(--line);font-weight:700}
.lbl-tag{background:var(--p2);color:var(--p-ink)}
.lbl.big{font-size:13.5px;padding:1px 9px;margin:0}
.lsn.cur .lbl-extra{background:var(--surface)}
.empty-search{padding:16px;color:var(--ink3);font-size:15px}
.side-foot{display:flex;gap:6px;padding:10px 14px 18px;border-top:1px solid var(--line);font-size:15px}
.side-foot a{color:var(--ink2);text-decoration:none;padding:6px 10px;border-radius:10px}
.side-foot a:hover{background:var(--surface2)}
.main{min-width:0;padding:32px clamp(16px,4vw,56px) 80px;outline:none}
.wrap{max-width:860px;margin:0 auto}
/* home */
.hero{background:linear-gradient(135deg,var(--p2),var(--a2));border-radius:24px;padding:clamp(22px,4vw,44px);display:grid;grid-template-columns:1.3fr 1fr;gap:24px;align-items:center}
.hero h1{font-size:clamp(28px,4vw,44px);margin-bottom:.3em}
.hero p{color:var(--ink2);font-size:19px;margin:0 0 18px}
.hero .eyebrow{display:inline-block;font-weight:700;color:var(--p-ink);background:var(--surface);border-radius:99px;padding:2px 12px;font-size:14px;margin-bottom:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:12px;padding:10px 18px;min-height:46px;font-weight:700;text-decoration:none;font-size:17px;background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn:hover{filter:brightness(.97)}
.btn.primary{background:var(--p);color:#fff;border-color:var(--p)}
[data-theme=dark] .btn.primary{color:#12151D}
.btn.ghost{background:transparent}
.btn.small{min-height:38px;padding:6px 12px;font-size:15px;border-radius:10px}
.btn-row{display:flex;flex-wrap:wrap;gap:10px}
.sec-title{font-size:24px;margin:44px 0 14px}
.grid{display:grid;gap:14px}
.g4{grid-template-columns:repeat(4,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card h3{font-size:19px;margin-bottom:.3em}
.card p{margin:0;color:var(--ink2);font-size:16px;line-height:1.6}
.lvl-card{border-top:5px solid var(--lc);text-decoration:none;color:var(--ink);display:block}
.lvl-card .n{font-size:14px;color:var(--ink3);font-weight:600}
.lvl-card:hover{transform:translateY(-2px);transition:transform .15s}
.part{display:flex;gap:12px;align-items:flex-start}
.part .ic{font-size:24px;width:44px;height:44px;border-radius:12px;background:var(--surface2);display:grid;place-items:center;flex:none}
.quote{border-inline-start:4px solid var(--a);background:var(--surface);padding:16px 20px;border-radius:12px;font-size:19px;color:var(--ink2)}
/* lesson */
.crumbs{font-size:15px;color:var(--ink3);margin-bottom:10px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.lvl-badge{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--lc);background:color-mix(in srgb,var(--lc) 12%,transparent);border-radius:99px;padding:2px 12px;font-size:14px}
.lesson-h{display:flex;gap:16px;align-items:flex-start;margin-bottom:18px}
.lesson-h .big-em{font-size:34px;width:64px;height:64px;border-radius:18px;background:var(--surface);border:1px solid var(--line);display:grid;place-items:center;flex:none;box-shadow:var(--shadow)}
.lesson-h h1{font-size:clamp(26px,3.4vw,38px);margin:0}
.meta{color:var(--ink3);font-size:15px;margin-top:4px;display:flex;gap:14px;flex-wrap:wrap}
.idea{background:var(--a2);border-radius:var(--radius);padding:16px 20px;display:flex;gap:12px;align-items:flex-start;font-size:20px;font-weight:600;line-height:1.5;margin-bottom:10px}
.idea .k{font-size:13px;font-weight:700;color:var(--l4);display:block;letter-spacing:.02em}
.toc{display:flex;gap:6px;flex-wrap:wrap;margin:16px 0 8px;position:sticky;top:var(--top);background:var(--bg);padding:8px 0;z-index:5}
.toc a{font-size:14px;font-weight:700;text-decoration:none;color:var(--ink2);background:var(--surface);border:1px solid var(--line);border-radius:99px;padding:4px 12px;white-space:nowrap}
.toc a:hover{border-color:var(--p);color:var(--p)}
.sec{margin-top:36px}
.sec-h{display:flex;align-items:center;gap:10px;font-size:23px;margin-bottom:12px}
.sec-h .n{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--p2);font-size:18px;flex:none}
.reading{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:24px;align-items:start}
.reading .txt p{margin:0 0 1em;max-width:62ch}
.reading .txt p:last-child{margin-bottom:0}
.reading .txt strong{color:var(--ink);background:linear-gradient(transparent 62%,color-mix(in srgb,var(--a) 35%,transparent) 0)}
.figure{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow);position:sticky;top:130px}
.figure svg{width:100%;height:auto}
.figure figcaption{font-size:14px;color:var(--ink3);text-align:center;margin-top:8px;line-height:1.5}
/* illustration classes */
.i-bg{fill:var(--surface2)}.i-card{fill:var(--surface)}.i-line{stroke:var(--line);fill:none}.i-ink{fill:var(--ink)}.i-ink2{fill:var(--ink3)}.i-soft{fill:var(--line)}
.i-p{fill:var(--p)}.i-p2{fill:var(--p2)}.i-a{fill:var(--a)}.i-a2{fill:var(--a2)}.i-g{fill:var(--g)}.i-g2{fill:var(--g2)}.i-r{fill:var(--r)}.i-r2{fill:var(--r2)}
.i-sp{stroke:var(--p);fill:none}.i-sa{stroke:var(--a);fill:none}.i-sink{stroke:var(--ink);fill:none}.i-sg{stroke:var(--g);fill:none}.i-sr{stroke:var(--r);fill:none}
.i-t{fill:var(--ink);font-family:var(--f-head);font-weight:700}.i-t2{fill:var(--ink3);font-family:var(--f-body)}
/* demo player */
.player{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.stage{position:relative;aspect-ratio:16/9;background:var(--surface2);overflow:hidden}
.stage>svg{width:100%;height:100%}
.ctrl{display:flex;align-items:center;gap:12px;padding:10px 14px;border-top:1px solid var(--line)}
.ctrl .play{width:46px;height:46px;border-radius:50%;border:0;background:var(--p);color:#fff;display:grid;place-items:center;flex:none}
[data-theme=dark] .ctrl .play{color:#12151D}
.ctrl .play svg{width:20px;height:20px;fill:currentColor}
.ctrl .scrub{flex:1;height:8px;border-radius:99px;background:var(--surface2);position:relative;cursor:pointer}
.ctrl .scrub i{position:absolute;inset-block:0;right:0;width:0;background:var(--p);border-radius:99px}
.ctrl .time{font-size:14px;color:var(--ink3);font-variant-numeric:tabular-nums;min-width:40px;text-align:center}
.caption{padding:12px 16px 14px;font-size:18px;font-weight:600;min-height:62px;line-height:1.5;border-top:1px dashed var(--line);background:var(--surface)}
.caption .pill{display:inline-block;font-size:12px;font-weight:700;color:var(--p-ink);background:var(--p2);border-radius:6px;padding:0 8px;margin-inline-end:8px;vertical-align:3px}
/* labs */
.lab{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);margin-bottom:16px}
.lab-h{display:flex;align-items:center;gap:10px;margin-bottom:4px}
.lab-h h3{font-size:20px;margin:0}
.lab-intro{color:var(--ink2);margin:0 0 14px;font-size:17px}
.lab .row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.lab label.f{display:flex;flex-direction:column;gap:4px;font-size:15px;font-weight:600;color:var(--ink2)}
.lab input[type=text],.lab textarea,.lab select,.lab input[type=number]{border:1px solid var(--line);background:var(--bg);border-radius:10px;padding:9px 12px;font-size:16px;width:100%}
.lab textarea{resize:vertical;min-height:90px;line-height:1.5}
.lab input[type=range]{width:100%;accent-color:var(--p);min-height:30px}
.lab input[type=color]{width:52px;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--bg);padding:3px;cursor:pointer}
.result{border-radius:12px;padding:12px 16px;background:var(--surface2);font-weight:600;margin-top:12px}
.result.ok{background:var(--g2);color:var(--g)}.result.bad{background:var(--r2);color:var(--r)}.result.mid{background:var(--a2);color:var(--l4)}
[data-theme=dark] .result.ok,[data-theme=dark] .result.bad,[data-theme=dark] .result.mid{color:var(--ink)}
.badge{display:inline-flex;align-items:center;gap:4px;border-radius:8px;padding:2px 10px;font-size:14px;font-weight:700}
.badge.ok{background:var(--g2);color:var(--g)}.badge.bad{background:var(--r2);color:var(--r)}
.opt{display:block;width:100%;text-align:right;border:2px solid var(--line);background:var(--bg);border-radius:12px;padding:12px 14px;margin:8px 0;font-size:17px;line-height:1.45;min-height:48px}
.opt:hover{border-color:var(--p)}
.opt.right{border-color:var(--g);background:var(--g2)}.opt.wrong{border-color:var(--r);background:var(--r2)}
.explain{font-size:16px;color:var(--ink2);margin:6px 2px 0;padding:10px 12px;border-radius:10px;background:var(--surface2)}
.qnum{font-size:14px;color:var(--ink3);font-weight:700}
.items{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.item{border:2px solid var(--line);background:var(--bg);border-radius:12px;padding:8px 14px;font-size:16px;font-weight:600;min-height:44px}
.item.sel{border-color:var(--p);background:var(--p2)}
.item.right{border-color:var(--g);background:var(--g2)}.item.wrong{border-color:var(--r);background:var(--r2)}
.buckets{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}
.bucket{border:2px dashed var(--line);border-radius:14px;padding:10px;min-height:110px;background:var(--bg);text-align:right;cursor:pointer}
.bucket h4{font-size:16px;margin:0 0 6px}
.bucket.hot{border-color:var(--p);background:var(--p2)}
.sortlist{list-style:none;padding:0;margin:0;counter-reset:s}
.sortlist li{display:flex;align-items:center;gap:10px;border:1px solid var(--line);background:var(--bg);border-radius:12px;padding:8px 10px;margin:6px 0;font-size:16px;line-height:1.4}
.sortlist li::before{counter-increment:s;content:counter(s);width:28px;height:28px;border-radius:8px;background:var(--surface2);display:grid;place-items:center;font-weight:800;flex:none}
.sortlist li span{flex:1}
.sortlist li.right{border-color:var(--g);background:var(--g2)}.sortlist li.wrong{border-color:var(--r);background:var(--r2)}
.mv{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--surface);font-size:16px;flex:none}
.out{white-space:pre-wrap;background:var(--g2);border-radius:14px 14px 4px 14px;padding:14px 16px;font-size:16px;line-height:1.6;margin-top:12px;border:1px solid color-mix(in srgb,var(--g) 30%,transparent)}
.checks{list-style:none;padding:0;margin:0}
.checks label{display:flex;gap:12px;align-items:flex-start;padding:8px 6px;border-radius:10px;cursor:pointer;line-height:1.5}
.checks label:hover{background:var(--surface2)}
.checks input{width:22px;height:22px;accent-color:var(--g);flex:none;margin-top:3px}
.mock{border-radius:14px;border:1px solid var(--line);overflow:hidden;background:#fff;color:#111}
.phone{width:min(260px,100%);margin:0 auto;border:10px solid #1c2230;border-radius:34px;background:#fff;aspect-ratio:9/17;position:relative;overflow:hidden;color:#111}
.split{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.swatches{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.sw{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:13px;color:var(--ink2);text-align:center}
.sw input{width:100%;height:56px}
.kbd{font-family:var(--f-mono);font-size:14px;background:var(--surface2);border-radius:6px;padding:1px 6px;direction:ltr;display:inline-block}
.stat{display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--surface2);border-radius:12px;padding:10px;min-width:110px}
.stat b{font-size:26px;font-family:var(--f-head);line-height:1.2}
.stat small{font-size:13px;color:var(--ink3)}
.bars{display:flex;flex-direction:column;gap:8px}
.brow{display:grid;grid-template-columns:110px 1fr 54px;gap:10px;align-items:center;font-size:15px}
.btrack{height:20px;background:var(--surface2);border-radius:6px;overflow:hidden}
.btrack i{display:block;height:100%;background:var(--p);border-radius:6px;transition:width .5s}
/* questions + tips */
.questions{counter-reset:q;list-style:none;padding:0;margin:0}
.questions li{position:relative;padding:12px 16px 12px 16px;padding-inline-start:52px;background:var(--surface);border:1px solid var(--line);border-radius:14px;margin-bottom:10px}
.questions li::before{counter-increment:q;content:counter(q);position:absolute;inset-inline-start:14px;top:12px;width:28px;height:28px;border-radius:50%;background:var(--a2);color:var(--l4);display:grid;place-items:center;font-weight:800;font-size:15px}
.notes{margin-top:8px}
.notes summary{cursor:pointer;color:var(--ink2);font-weight:600;font-size:16px}
.notes textarea{width:100%;min-height:100px;margin-top:8px;border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:12px;font-size:16px;line-height:1.6}
.chat{background:var(--surface2);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:12px}
.bubble{align-self:flex-start;max-width:min(560px,92%);background:#DCF8C6;color:#111;border-radius:14px 14px 14px 4px;padding:10px 14px;box-shadow:0 1px 1px rgba(0,0,0,.08);position:relative;font-size:17px;line-height:1.55;white-space:pre-wrap}
[data-theme=dark] .bubble{background:#1F4D3A;color:#ECEFF6}
.bubble .why{display:block;font-size:13px;color:#4c6b57;margin-top:6px;font-weight:600}
[data-theme=dark] .bubble .why{color:#9fd4b6}
.copy{border:0;background:rgba(0,0,0,.07);border-radius:8px;font-size:13px;font-weight:700;padding:4px 10px;margin-top:8px;display:inline-flex;gap:4px;min-height:32px;align-items:center}
[data-theme=dark] .copy{background:rgba(255,255,255,.12)}
.pro{margin-top:16px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--surface)}
.pro-h{display:flex;align-items:center;gap:10px;padding:12px 16px;background:linear-gradient(90deg,var(--a2),var(--surface))}
.pro-h b{font-family:var(--f-head)}
.pro-tag{background:var(--ink);color:var(--bg);font-size:12px;font-weight:800;border-radius:6px;padding:1px 8px;letter-spacing:.06em}
.pro p{margin:0;padding:12px 16px 0;color:var(--ink2);font-size:16px}
.code{position:relative;margin:12px 16px 16px;border-radius:12px;background:var(--code-bg);color:var(--code-ink)}
.code pre{margin:0;padding:42px 16px 16px;overflow:auto;direction:ltr;text-align:left;font-family:var(--f-mono);font-size:14px;line-height:1.6;tab-size:2}
.code .copy{position:absolute;top:8px;left:8px;background:rgba(255,255,255,.12);color:#fff;margin:0}
.code .lang{position:absolute;top:10px;right:12px;font-size:12px;color:#8e97aa;font-family:var(--f-mono)}
.tok-k{color:#C792EA}.tok-s{color:#C3E88D}.tok-c{color:#7F8AA3;font-style:italic}.tok-n{color:#F78C6C}.tok-t{color:#82AAFF}
.task{background:var(--g2);border-radius:var(--radius);padding:16px 20px;border:1px solid color-mix(in srgb,var(--g) 25%,transparent)}
.task h4{margin:0 0 6px;font-size:18px}
.task p{margin:0}
.done-box{margin-top:40px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.done-btn.is-done{background:var(--g);border-color:var(--g);color:#fff}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
.pager a{display:flex;flex-direction:column;gap:2px;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px 16px;min-height:64px}
.pager a:hover{border-color:var(--p)}
.pager small{color:var(--ink3);font-size:14px;font-weight:600}
.pager .nx{text-align:left;grid-column:2}
.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,40px);opacity:0;background:var(--ink);color:var(--bg);padding:10px 18px;border-radius:12px;font-weight:700;transition:.25s;z-index:80;pointer-events:none}
.toast.on{opacity:1;transform:translate(-50%,0)}
.muted{color:var(--ink3)}
.about p{max-width:65ch}
.loading{padding:40px;text-align:center;color:var(--ink3)}
@media (max-width:1180px){.reading{grid-template-columns:1fr}.figure{position:static;max-width:520px}.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:920px){
  :root{--top:56px}
  .menu-btn{display:grid}
  .layout{grid-template-columns:1fr}
  .sidebar{position:fixed;top:0;right:0;bottom:0;height:100%;width:min(88vw,360px);z-index:60;transform:translateX(105%);transition:transform .25s ease;box-shadow:-10px 0 40px rgba(0,0,0,.2);border:0}
  body.drawer .sidebar{transform:none}
  .scrim{position:fixed;inset:0;background:rgba(10,12,20,.45);z-index:55}
  .top-link{display:none}
  .main{padding:20px 16px 64px}
  .hero{grid-template-columns:1fr}
  .hero .hero-art{display:none}
  .g3,.g2,.split{grid-template-columns:1fr}
  .toc{top:var(--top)}
}
@media (max-width:520px){
  body{font-size:17px}
  .g4{grid-template-columns:1fr 1fr}
  .brand small{display:none}
  .lesson-h .big-em{width:52px;height:52px;font-size:28px;border-radius:14px}
  .idea{font-size:18px;padding:14px 16px}
  .caption{font-size:16px}
  .lab{padding:16px}
  .swatches{grid-template-columns:repeat(5,1fr);gap:5px}
  .brow{grid-template-columns:84px 1fr 46px;font-size:14px}
  .pager{grid-template-columns:1fr}.pager .nx{grid-column:1}
  .toc{overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none;margin-inline:-16px;padding-inline:16px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.topbar,.sidebar,.toc,.ctrl,.done-box,.pager{display:none!important}.layout{display:block}}

.start .step{position:relative;display:flex;flex-direction:column;gap:6px}
.step-n{position:absolute;top:14px;left:14px;width:30px;height:30px;border-radius:50%;background:var(--p2);color:var(--p-ink);display:grid;place-items:center;font-weight:800;font-family:var(--f-head)}
.start .step h3{padding-left:36px}
.big-cta{margin-top:8px;font-size:18px;min-height:52px;align-self:stretch}
.more{margin-top:auto;padding-top:6px}
.more summary{cursor:pointer;font-weight:700;color:var(--p);font-size:15px;min-height:32px}
.more p{margin-top:6px!important}
.privacy{margin-top:14px;background:var(--g2);border:1px solid color-mix(in srgb,var(--g) 30%,transparent);border-radius:var(--radius);padding:16px 20px}
.privacy h3{font-size:19px;margin-bottom:6px}
.privacy ul{margin:0;padding-inline-start:20px}
.privacy li{margin:4px 0;line-height:1.55}

/* ---- v6: hero "איך לך TAB?" toggle ---- */
.btn.yellow{background:#FACC15;border-color:#EAB308;color:#1D2433}
.btn.yellow:hover{filter:none;background:#FDE047}
.btn.yellow:focus-visible{outline:3px solid var(--ink);outline-offset:2px}
.btn.yellow .chev{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;transition:transform .3s ease}
.btn.yellow[aria-expanded=true] .chev{transform:rotate(180deg)}
.reveal{display:grid;grid-template-rows:0fr;opacity:0;visibility:hidden;transition:grid-template-rows .45s cubic-bezier(.2,.7,.2,1),opacity .3s ease,visibility 0s linear .45s}
.reveal>.reveal-in{overflow:hidden;min-height:0}
.reveal[data-open="1"]{grid-template-rows:1fr;opacity:1;visibility:visible;transition:grid-template-rows .45s cubic-bezier(.2,.7,.2,1),opacity .35s ease .05s,visibility 0s}
.reveal .start{padding-top:22px}
.reveal .start .sec-title{margin-top:0}
.home-quote{margin-top:28px}

/* ---- v6: elements playground ---- */
.pg-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.pg-card{border:1px solid var(--line);border-radius:14px;padding:14px;background:var(--bg);display:flex;flex-direction:column;gap:6px;min-width:0}
.pg-card.tried{border-color:color-mix(in srgb,var(--g) 55%,var(--line))}
.pg-h{display:flex;align-items:baseline;justify-content:space-between;gap:8px;flex-wrap:wrap}
.pg-h b{font-family:var(--f-head);font-size:17px}
.pg-en{font-size:12px;color:var(--ink3);direction:ltr;font-family:ui-monospace,monospace}
.pg-when{font-size:15px;color:var(--ink2);line-height:1.45}
.pg-body{padding:6px 0}
.pg-st{font-size:14px;color:var(--ink3);min-height:20px}
.pg-st b{color:var(--ink)}
.pg-fs{border:0;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.pg-fs legend{font-weight:700;font-size:15px;margin-bottom:4px;padding:0}
.pg-fs label{display:flex;align-items:center;gap:10px;min-height:36px;font-size:16px;cursor:pointer}
.pg-fs input{width:20px;height:20px;accent-color:var(--p);margin:0}
.pg-switch{display:flex;align-items:center;gap:12px;border:0;background:none;padding:4px 0;font-size:16px;color:var(--ink);cursor:pointer;min-height:44px}
.pg-knob{width:50px;height:28px;border-radius:99px;background:var(--line);position:relative;flex:none;transition:background .2s}
.pg-knob::after{content:"";position:absolute;top:3px;right:3px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.3);transition:transform .2s}
.pg-switch[aria-checked=true] .pg-knob{background:var(--g)}
.pg-switch[aria-checked=true] .pg-knob::after{transform:translateX(-22px)}
.pg-switch:focus-visible{outline:3px solid var(--p);outline-offset:3px;border-radius:8px}
.pg-out{font-weight:800;font-family:var(--f-head);font-size:20px}
.pg-tabs{display:flex;border-bottom:2px solid var(--line);gap:2px;overflow-x:auto}
.pg-tabs button{border:0;background:none;padding:8px 12px;font-size:15px;font-weight:700;color:var(--ink3);border-bottom:3px solid transparent;margin-bottom:-2px;min-height:40px;white-space:nowrap;cursor:pointer}
.pg-tabs button[aria-selected=true]{color:var(--p);border-bottom-color:var(--p)}
.pg-tp{padding:10px 2px;font-size:15px;color:var(--ink2)}
.pg-tipw{position:relative;display:flex;align-items:center;gap:8px;font-size:16px;padding-top:40px}
.pg-q{width:30px;height:30px;border-radius:50%;border:0;background:var(--p2);color:var(--p-ink);font-weight:800;cursor:pointer}
.pg-tip{position:absolute;top:0;right:0;background:#1D2433;color:#fff;border-radius:8px;padding:6px 10px;font-size:14px;opacity:0;transform:translateY(4px);transition:opacity .18s,transform .18s;pointer-events:none;white-space:nowrap}
.pg-tipw.show .pg-tip{opacity:1;transform:none}
.pg-toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,30px);background:#1D2433;color:#fff;padding:12px 22px;border-radius:99px;font-weight:700;box-shadow:0 10px 30px rgba(0,0,0,.25);opacity:0;transition:opacity .25s,transform .25s;z-index:200;pointer-events:none}
.pg-toast.show{opacity:1;transform:translate(-50%,0)}
.pg-acc{border-bottom:1px solid var(--line)}
.pg-acc summary{cursor:pointer;font-weight:700;padding:8px 0;min-height:36px}
.pg-acc p{margin:0 0 8px;color:var(--ink2);font-size:15px}
.pg-dialog{border:0;border-radius:16px;padding:22px;max-width:min(380px,90vw);background:var(--surface);color:var(--ink);box-shadow:0 20px 60px rgba(0,0,0,.35)}
.pg-dialog::backdrop{background:rgba(15,20,30,.55)}
.pg-dialog h4{margin:0 0 6px;font-size:20px;font-family:var(--f-head)}
.pg-dialog p{margin:0 0 16px;color:var(--ink2)}
.pg-scroll{height:150px;overflow-y:auto;border:1px solid var(--line);border-radius:12px;background:var(--surface);scrollbar-width:thin;scrollbar-color:var(--ink3) var(--surface2)}
.pg-scroll div{padding:8px 12px;border-bottom:1px solid var(--line);font-size:15px}
.pg-scroll span{color:var(--ink3);display:inline-block;min-width:22px}
.pg-scroll::-webkit-scrollbar{width:10px}.pg-scroll::-webkit-scrollbar-track{background:var(--surface2);border-radius:99px}.pg-scroll::-webkit-scrollbar-thumb{background:var(--ink3);border-radius:99px;border:2px solid var(--surface2)}
.pg-scroll:focus-visible{outline:3px solid var(--p);outline-offset:2px}
/* ---- v6: design lab ---- */
.dl-wrap{display:grid;grid-template-columns:minmax(220px,300px) 1fr;gap:16px;align-items:start}
.dl-toggles{display:flex;flex-direction:column;gap:2px}
.dl-t{display:flex;gap:10px;align-items:flex-start;padding:7px 4px;cursor:pointer;border-radius:10px;position:relative}
.dl-t:hover{background:var(--surface2)}
.dl-t input{position:absolute;opacity:0;width:1px;height:1px}
.dl-sw{width:38px;height:22px;border-radius:99px;background:var(--line);position:relative;flex:none;margin-top:2px;transition:background .2s}
.dl-sw::after{content:"";position:absolute;top:2px;right:2px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.3);transition:transform .2s}
.dl-t input:checked+.dl-sw{background:var(--g)}
.dl-t input:checked+.dl-sw::after{transform:translateX(-16px)}
.dl-t input:focus-visible+.dl-sw{outline:3px solid var(--p);outline-offset:2px}
.dl-t b{display:block;font-size:16px}
.dl-t small{display:block;color:var(--ink3);font-size:13.5px;line-height:1.4}
.dl-cmp{position:relative;aspect-ratio:4/3;border-radius:12px;overflow:hidden;border:1px solid var(--line);container-type:inline-size;background:#fff}
.dl-layer{position:absolute;inset:0}
.dl-line{position:absolute;top:0;bottom:0;width:3px;margin-left:-1.5px;background:#fff;box-shadow:0 0 0 1px rgba(0,0,0,.25);pointer-events:none}
.dl-line i{position:absolute;top:50%;left:50%;width:26px;height:26px;margin:-13px 0 0 -13px;border-radius:50%;background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.3)}
.dl-tag{position:absolute;bottom:8px;font-size:12px;font-weight:700;color:#fff;border-radius:99px;padding:2px 10px;pointer-events:none}
.dl-tag.b{left:8px;background:#111827}.dl-tag.a{right:8px;background:#0F766E}
.dl-range{display:flex;align-items:center;gap:10px;margin-top:8px;font-size:14px;font-weight:700;color:var(--ink3)}
.dl-range input{flex:1}
@media (max-width:760px){.dl-wrap{grid-template-columns:1fr}.dl-cmp{order:-1}.pg-grid{grid-template-columns:1fr}}

@media (max-width:760px){.dl-view{order:-1;position:sticky;top:calc(var(--top) + 6px);z-index:3;background:var(--surface);padding-bottom:6px}}

/* ---- v6: teacher-sim ---- */
.ts{border:1px solid var(--line);border-radius:14px;padding:14px;background:var(--bg)}
.ts-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-size:16px}
.ts-live{font-size:13px;background:var(--g2);color:var(--g);border-radius:99px;padding:2px 10px;font-weight:700}
.ts-row1{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.ts-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px 12px;display:flex;flex-direction:column;gap:2px;min-width:0}
.ts-card small{color:var(--ink3);font-weight:700;font-size:13px}
.ts-code{font-family:var(--f-head);font-size:28px;letter-spacing:4px;color:var(--p)}
.ts-big{font-family:var(--f-head);font-size:22px}
.ts-sub{font-size:13px;color:var(--ink3)}
.ts-bar{height:8px;border-radius:99px;background:var(--surface2);overflow:hidden;margin-top:4px}.ts-bar i{display:block;height:100%;width:0;background:var(--g);transition:width .5s}
.ts-help.on{background:var(--r2);border-color:var(--r)}.ts-help.on .ts-big,.ts-help.on .ts-sub{color:var(--r)}
[data-theme=dark] .ts-help.on .ts-big,[data-theme=dark] .ts-help.on .ts-sub{color:var(--ink)}
.ts-list{display:flex;flex-direction:column;gap:4px}
.ts-st{display:grid;grid-template-columns:minmax(96px,1.1fr) 64px minmax(50px,1fr) auto;grid-template-areas:"n q p b" "t t t t";align-items:center;gap:2px 10px;padding:6px 10px;border-radius:10px;background:var(--surface);border:1px solid var(--line);font-size:14.5px}
.ts-nick{grid-area:n;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ts-q{grid-area:q;color:var(--ink3);font-size:13px}
.ts-pb{grid-area:p;height:6px;border-radius:99px;background:var(--surface2);overflow:hidden}.ts-pb i{display:block;height:100%;background:var(--p);transition:width .5s}
.ts-tag{grid-area:t;font-size:13px;color:var(--r);font-weight:700}.ts-tag:empty{display:none}
.ts-hb{grid-area:b;border:1px solid var(--line);background:var(--bg);border-radius:8px;padding:4px 10px;font-size:13.5px;font-weight:700;min-height:34px;cursor:pointer;color:var(--ink)}
.ts-st.stuck{border-color:var(--r);background:var(--r2)}.ts-st.stuck .ts-hb{border-color:var(--r);color:var(--r)}
[data-theme=dark] .ts-st.stuck .ts-tag,[data-theme=dark] .ts-st.stuck .ts-hb{color:var(--ink)}
.ts-list.locked{opacity:.6;pointer-events:none}
.ts-log{margin-top:10px;font-size:15px;color:var(--ink2);min-height:22px}
@media (max-width:760px){.ts-row1{grid-template-columns:1fr 1fr}.ts-row1 .ts-help{grid-column:1/-1}.ts-st{grid-template-columns:1fr 60px auto;grid-template-areas:"n q b" "p p p" "t t t"}}
/* ---- v6: results-lab + two-views ---- */
.rl-h{font-size:17px;margin:18px 0 8px;font-family:var(--f-head)}
.rl-tw{overflow-x:auto;border:1px solid var(--line);border-radius:12px;max-width:100%}
.rl-t{border-collapse:collapse;width:100%;font-size:14.5px;background:var(--surface)}
.rl-t th,.rl-t td{padding:7px 9px;border-bottom:1px solid var(--line);text-align:center;white-space:nowrap}
.rl-t th:first-child,.rl-t td:first-child{text-align:start}
.rl-t thead th{background:var(--surface2);font-weight:700}
.rl-t td.ok{color:var(--g);font-weight:700}.rl-t td.no{color:var(--r);font-weight:700}
.rl-t .hl{background:var(--a2)}
.rl-qb{border:1px solid var(--p);background:var(--p2);color:var(--p-ink);border-radius:8px;padding:3px 8px;font-weight:700;cursor:pointer;min-height:32px}
.rl-out{margin-top:8px;font-size:15px;color:var(--ink2);line-height:1.55}
.rl-csv,.tv-file{background:var(--code-bg);color:var(--code-ink);border-radius:12px;padding:12px 14px;font-size:13px;line-height:1.55;overflow-x:auto;margin:0 0 8px;text-align:left;white-space:pre}
.tv-file .hl{background:rgba(250,204,21,.28);border-radius:3px}
.rl-view{border:1px solid var(--line);border-radius:12px;padding:12px;background:var(--bg);margin-top:8px}
.rl-game{display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center;background:var(--surface);border-radius:10px;padding:10px 12px;border:1px solid var(--line)}.rl-game.ok{border-color:var(--g);background:var(--g2)}
.tv-seg{display:inline-flex;background:var(--surface2);border-radius:12px;padding:4px;gap:4px;margin-bottom:12px;flex-wrap:wrap}
.tv-seg button{border:0;background:none;border-radius:9px;padding:8px 14px;font-weight:700;font-size:15px;color:var(--ink2);min-height:40px;cursor:pointer}
.tv-seg button[aria-selected=true]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}
.tv-g{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
.tv-g>div{min-width:0}
.tv-cap{font-size:13.5px;font-weight:700;color:var(--ink3);margin-bottom:6px}
.tv-t tr[data-i]{cursor:pointer}.tv-t tr.sel td{background:var(--a2)}
.tv-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.tv-card{border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--surface);font-size:14.5px;cursor:pointer}.tv-card.sel{border-color:var(--a);background:var(--a2)}
.tv-card span{color:var(--ink3)}.tv-card ol{margin:2px 0 0;padding-inline-start:18px}
@media (max-width:760px){.tv-g{grid-template-columns:1fr}}

/* ---- v6: comparison table inside a reading ---- */
.cmp{margin:4px 0 18px}
.cmp-t{font-weight:700;font-family:var(--f-head);font-size:17px;margin-bottom:8px}
.cmp-w{overflow-x:auto;border:1px solid var(--line);border-radius:14px}
.cmp table{border-collapse:collapse;width:100%;font-size:15.5px;line-height:1.45;background:var(--surface)}
.cmp th,.cmp td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:start;vertical-align:top}
.cmp tr:last-child th,.cmp tr:last-child td{border-bottom:0}
.cmp thead th{background:var(--surface2);font-family:var(--f-head);font-size:16px}
.cmp tbody th{color:var(--ink3);font-weight:700;font-size:14px;white-space:nowrap;width:1%}
.cmp td+td,.cmp th+th+th{border-inline-start:1px solid var(--line)}
@media (max-width:500px){.cmp table{font-size:14px}.cmp th,.cmp td{padding:8px}}

/* ---- v6: bullet lists inside a reading ---- */
.reading .txt .rd-lead{margin:0 0 .4em}
.rd-list{margin:0 0 1.1em;padding-inline-start:22px;max-width:62ch}
.rd-list li{margin:0 0 .55em;line-height:1.6}
.rd-list li::marker{color:var(--a)}

/* share-lab (v8) */
.sh-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:10px}
.sh-form{display:flex;flex-direction:column;gap:10px}
.sh-form label.f{position:relative}.sh-hint{font-weight:400;color:var(--ink3)}
.sh-cnt{font-size:12px;color:var(--ink3);font-weight:500;align-self:flex-end}
.sh-pick{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.sh-thumb{border:2px solid var(--line);background:var(--surface);border-radius:10px;padding:4px;cursor:pointer;display:flex;flex-direction:column;gap:3px;align-items:stretch;min-height:44px;color:var(--ink2)}
.sh-thumb small{font-size:11px;line-height:1.2;text-align:center}
.sh-thumb[aria-checked=true]{border-color:var(--p);box-shadow:0 0 0 3px var(--p2)}
.sh-ti{display:block;aspect-ratio:1.91;border-radius:6px;overflow:hidden}.sh-ti svg,.sh-cimg svg{display:block;width:100%;height:100%}
.sh-none{display:grid;place-items:center;aspect-ratio:1.91;border-radius:6px;background:var(--surface2);font-size:20px;color:var(--ink3)}
.sh-fav{display:flex;gap:10px;align-items:center;font-weight:600;color:var(--ink2);cursor:pointer;min-height:44px}.sh-fav input{width:22px;height:22px;accent-color:var(--p)}
.sh-prev{display:flex;flex-direction:column;gap:8px;min-width:0}
.sh-cap{font-size:13px;font-weight:700;color:var(--ink3)}
.sh-wa{background:#E9DFD5;border-radius:14px;padding:14px;display:flex;justify-content:flex-start}
[data-theme=dark] .sh-wa{background:#0B141A}
.sh-bub{background:#D9FDD3;border-radius:12px 12px 2px 12px;padding:5px;max-width:300px;width:100%;box-shadow:0 1px 1px rgba(0,0,0,.12);color:#111B21}
[data-theme=dark] .sh-bub{background:#005C4B;color:#E9EDEF}
.sh-card{background:rgba(0,0,0,.06);border-radius:8px;overflow:hidden}
.sh-cimg{aspect-ratio:1.91;background:#ccc}
.sh-ctx{padding:7px 9px;display:flex;flex-direction:column;gap:1px;font-size:14px;line-height:1.35}
.sh-ctx b{font-weight:700}.sh-ctx span{opacity:.75;font-size:13px}.sh-ctx small{opacity:.6;font-size:12px;direction:ltr;text-align:right}
.sh-link{color:#027EB5;font-size:14px;padding:5px 6px 0;word-break:break-all;text-align:left}
[data-theme=dark] .sh-link{color:#53BDEB}
.sh-link.bare{padding-top:4px}
.sh-time{font-size:11px;opacity:.55;text-align:left;padding:0 6px 2px}
.sh-g{background:#fff;color:#202124;border:1px solid var(--line);border-radius:14px;padding:14px 16px;font-family:Arial,var(--f-body),sans-serif}
[data-theme=dark] .sh-g{background:#202124;color:#E8EAED}
.sh-gh{display:flex;gap:10px;align-items:center;font-size:13px;line-height:1.3}
.sh-gi{width:28px;height:28px;border-radius:50%;background:#F1F3F4;display:grid;place-items:center;font-size:16px;flex:none;overflow:hidden}
[data-theme=dark] .sh-gi{background:#303134}
.sh-gw{filter:grayscale(1);opacity:.6}
.sh-gs span{color:#4D5156;font-size:12px}[data-theme=dark] .sh-gs span{color:#BDC1C6}
.sh-gt{color:#1A0DAB;font-size:19px;line-height:1.3;margin:6px 0 2px}[data-theme=dark] .sh-gt{color:#8AB4F8}
.sh-gd{color:#4D5156;font-size:14px;line-height:1.5}[data-theme=dark] .sh-gd{color:#BDC1C6}.sh-gd.miss{font-style:italic;opacity:.75}
.sh-checks{list-style:none;padding:0;margin:16px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:6px 16px}
.sh-checks li{display:flex;gap:8px;align-items:flex-start;font-size:15px;color:var(--ink2);line-height:1.45}.sh-checks li.ok{color:var(--ink)}
@media (max-width:760px){.sh-grid{grid-template-columns:1fr}.sh-checks{grid-template-columns:1fr}}

/* v10: hero buttons always on one row (sized to the hero text column; scrolls inside the row only if it truly cannot fit) */
.hero>div{min-width:0;container-type:inline-size}
.btn-row.hero-btns{flex-wrap:nowrap;gap:8px;overflow-x:auto;overflow-y:hidden;max-width:100%;scrollbar-width:none;-webkit-overflow-scrolling:touch;padding:2px;margin:-2px}
.hero-btns::-webkit-scrollbar{display:none}
.hero-btns .btn{white-space:nowrap;flex:0 1 auto;font-size:15px;padding:9px 12px;gap:6px}
.hero-btns .btn.yellow .chev{width:1em;height:1em}
@supports (width:1cqi){
  .btn-row.hero-btns{gap:clamp(4px,1.9cqi,10px)}
  .hero-btns .btn{font-size:clamp(11px,3.75cqi,17px);padding:.55em .7em;gap:.3em;min-height:clamp(38px,11cqi,46px)}
}

/* ---- v11: a11y-tools-lab (live accessibility toolbar) ---- */
.at-bar{display:flex;flex-wrap:wrap;gap:6px;padding:8px;background:var(--surface2);border-radius:14px;margin-bottom:8px;align-items:center}
.at-b{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:10px;padding:6px 10px;min-height:40px;font:inherit;font-size:15px;font-weight:700;line-height:1.2;cursor:pointer;white-space:nowrap}
.at-b:hover{border-color:var(--p)}
.at-b:focus-visible,.at-lang select:focus-visible,.at-q textarea:focus-visible{outline:3px solid var(--p);outline-offset:2px}
.at-b[aria-pressed=true],.at-b.on{background:var(--p);color:#fff;border-color:var(--p)}
.at-b:disabled{opacity:.45;cursor:not-allowed}
.at-b.sm{min-height:32px;padding:3px 9px;font-size:13px}
.at-lang{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--ink2)}
.lab .at-lang select{width:auto;max-width:190px;padding:6px 8px;font-size:15px;min-height:40px}
.at-msg{font-size:14px;color:var(--ink2);min-height:0;margin:2px 2px 6px;line-height:1.5}
.at-msg:empty{margin:0}
.at-msg.bad{color:var(--r)}
.at-page{position:relative;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--bg);container-type:inline-size}
.at-dist{display:flex;align-items:center;gap:8px;padding:6px 10px;background:var(--a2);font-size:14px;font-weight:700;overflow:hidden;white-space:nowrap}
.at-ticker{flex:1;overflow:hidden;min-width:0}
.at-ticker i{display:inline-block;font-style:normal;animation:atTick 14s linear infinite}
.at-badge{display:inline-block;background:#F97316;color:#fff;border-radius:99px;padding:1px 10px;animation:atPulse .9s ease-in-out infinite alternate}
.at-side .at-badge{margin-top:8px;background:#FDE047;color:#111}
@keyframes atTick{from{transform:translateX(-100%)}to{transform:translateX(110%)}}
@keyframes atPulse{from{opacity:1;transform:scale(1)}to{opacity:.6;transform:scale(1.06)}}
.at-main{display:grid;grid-template-columns:minmax(0,1fr) 150px;gap:10px;padding:10px}
@container (max-width:560px){.at-main{grid-template-columns:minmax(0,1fr)}.at-side{display:none}}
.at-side{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px;font-size:14px;line-height:1.6;align-self:start}
.at-side ol{margin:4px 0 0;padding-inline-start:18px}
.at-focus .at-dist,.at-focus .at-side{display:none}
.at-focus .at-main{grid-template-columns:minmax(0,1fr)}
.at-q{position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px;--at-size:18px;--at-lh:1.7;min-width:0}
.at-qh{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 10px;align-items:center;font-weight:700;font-size:15px;color:var(--ink2)}
.at-timer{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.at-tm{font-variant-numeric:tabular-nums;background:var(--surface2);border-radius:99px;padding:2px 10px;color:var(--ink)}
.at-tminfo{font-size:13px;color:var(--ink3);margin:2px 0 8px}
.at-text{font-size:var(--at-size);line-height:var(--at-lh);color:inherit;text-align:start}
.at-text p{margin:0 0 .4em;border-radius:6px;padding:0 4px;transition:background .2s}
.at-text p.at-now{background:var(--a2);box-shadow:0 0 0 3px var(--a2)}
.at-ic{display:none;margin-inline-start:.25em}
.at-icons .at-ic{display:inline}
.at-dys .at-text,.at-dys .at-q textarea{font-family:Arial,Tahoma,Verdana,'Segoe UI',sans-serif;letter-spacing:.05em;word-spacing:.22em}
.at-dys .at-text[lang=ar]{letter-spacing:0}
.at-gl{display:none}
.at-gl.on{display:block;margin-top:8px;background:var(--surface2);border-radius:10px;padding:8px 10px;font-size:15px}
.at-gl table{border-collapse:collapse;width:100%;margin-top:4px}
.at-gl td{padding:3px 6px;border-top:1px solid var(--line);vertical-align:top}
.at-note{font-size:13px;color:var(--ink3);margin-top:6px;line-height:1.5}
.at-ans{margin-top:10px}
.at-al{font-size:14px;font-weight:700;color:var(--ink2);margin-bottom:4px}
.at-ar{display:flex;gap:8px;align-items:flex-start}
.lab .at-q textarea{flex:1;min-width:0;min-height:76px;font-size:calc(var(--at-size) * .9);line-height:1.5}
.at-mic.rec{background:var(--r);color:#fff;border-color:var(--r);animation:atPulse .8s ease-in-out infinite alternate}
.at-priv{font-size:13px;color:var(--ink3);margin-top:6px}
.at-ruler{display:none;position:absolute;left:0;right:0;top:60px;height:2em;pointer-events:none;box-shadow:0 0 0 2000px rgba(15,18,30,.45);border-top:2px solid #FACC15;border-bottom:2px solid #FACC15;z-index:3}
.at-ruler-on .at-ruler{display:block}
.at-hc .at-q{background:#000;color:#fff;border-color:#FFE600}
.at-hc .at-qh,.at-hc .at-al{color:#FFE600}
.at-hc .at-tminfo,.at-hc .at-priv,.at-hc .at-note{color:#ddd}
.at-hc .at-tm{background:#222;color:#fff}
.at-hc .at-gl.on{background:#111;color:#fff}
.at-hc .at-gl td{border-color:#555}
.lab .at-hc .at-q textarea{background:#000;color:#fff;border:2px solid #fff}
.at-hc .at-text p.at-now{background:#FFE600;color:#000;box-shadow:0 0 0 3px #FFE600}
@media (max-width:520px){.at-b{font-size:14px;padding:5px 8px;min-height:38px}.at-ar{flex-direction:column}.at-ar .at-mic{align-self:flex-start}}
@media (prefers-reduced-motion:reduce){.at-ticker i,.at-badge,.at-mic.rec{animation:none}}

/* ---- v11: publish-gate-lab ---- */
.pg-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.3fr);gap:12px}
@media (max-width:760px){.pg-grid{grid-template-columns:minmax(0,1fr)}}
.pg-proj,.pg-rep{background:var(--surface2);border-radius:12px;padding:10px 12px;min-width:0}
.pg-h{font-weight:700;font-size:15px;color:var(--ink2);margin-bottom:6px}
.pg-files{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.pg-files li{display:flex;gap:8px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:6px 8px;font-size:14px;line-height:1.4}
.pg-files li>span:nth-child(2){flex:1;min-width:0;overflow-wrap:anywhere}
.pg-files b{display:block;font-family:var(--f-mono);font-size:13px;text-align:right;unicode-bidi:plaintext}
.pg-files small{color:var(--ink3);font-size:13px}
.pg-files li.pg-bad{border-color:var(--r);background:var(--r2)}
.pg-flag{font-size:13px;font-weight:700;white-space:nowrap}
.pg-empty{color:var(--ink3);font-size:15px;padding:18px 6px;text-align:center}
.pg-lines{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.pg-lines li{display:flex;flex-wrap:wrap;gap:4px 8px;align-items:flex-start;background:var(--surface);border-radius:8px;padding:6px 8px;font-size:15px;line-height:1.45}
.pg-lines .pg-tx{flex:1;min-width:0}
.pg-lines .pg-st{width:1.4em;flex:none}
.pg-lines li.pg-x{background:var(--r2)}
.pg-lines li.pg-w,.pg-lines li.pg-ov{background:var(--a2)}
.pg-lines em{font-style:normal;color:var(--ink3);font-size:13px}
.pg-in{animation:pgIn .35s ease both}
@keyframes pgIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.pg-act{display:flex;gap:6px;flex-wrap:wrap;width:100%;padding-inline-start:1.9em}
.pg-act .btn{min-height:34px;font-size:14px;padding:4px 10px}
.pg-ov{flex-basis:100%;box-sizing:border-box;background:var(--surface2);border-radius:8px;padding:8px;font-size:14px}
.pg-ovrow{display:flex;gap:6px;margin-top:6px}
.lab .pg-ovrow input{flex:1;min-width:0;padding:6px 10px;font-size:15px}
.pg-ovmsg{font-size:14px;margin-top:4px}
.pg-ovmsg.bad{color:var(--r)}
.pg-foot{margin-top:8px;font-weight:700;font-size:15px;border-radius:8px;padding:8px 10px}
.pg-foot.bad{background:var(--r2);color:var(--r)}
.pg-foot.ok{background:var(--g2);color:var(--g)}
.pg-log{margin-top:10px;background:var(--surface2);border-radius:12px;padding:10px 12px;font-size:14px}
.pg-log ul{margin:4px 0 0;padding-inline-start:18px}
@media (prefers-reduced-motion:reduce){.pg-in{animation:none}}

/* collapsible level headers (closed by default) */
.lvl-h{min-height:48px;cursor:pointer}
.lvl-h:focus-visible{outline:3px solid var(--p);outline-offset:2px}
.lvl-h small{display:inline-flex;gap:4px;align-items:center}
.lvl-h .lvl-d{color:var(--g);font-weight:700}
.lvl[data-open="1"] .lvl-h{background:color-mix(in srgb,var(--lc) 9%,transparent)}
.lvl-inspo{margin-top:12px;padding-top:8px;border-top:1px dashed var(--line)}
.lsn.ins .em,.lsn.ins-all .em{background:color-mix(in srgb,var(--l5) 14%,var(--surface2))}
/* inspiration gallery + pages */
.inspo .lead{font-size:18px;margin:0 0 10px}
.ins-count{margin:0 0 18px}
.ins-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr));gap:18px}
.ins-card{padding:0;overflow:hidden;display:flex;flex-direction:column;border-top:4px solid var(--l5);min-width:0}
.ins-shot{display:block;background:var(--surface2);border-bottom:1px solid var(--line)}
.ins-shot img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;object-position:top center}
.ins-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1;min-width:0}
.ins-t{font-size:21px;margin:0}.ins-t a{color:var(--ink);text-decoration:none}.ins-t a:hover{text-decoration:underline}
.ins-card.big h1{font-size:clamp(26px,3.4vw,36px);margin:0}
.ins-one{margin:0;color:var(--ink2);font-size:14px;line-height:1.5;font-weight:500}
.ins-h{font-size:15px;margin:6px 0 0;color:var(--l5)}
.ins-idea{background:color-mix(in srgb,var(--l5) 10%,var(--surface2));border-inline-start:4px solid var(--l5);border-radius:10px;padding:10px 12px;display:flex;flex-direction:column;gap:2px}
.ins-ik{font-size:13px;font-weight:800;color:var(--l5)}
.ins-idea strong{font-size:17px;line-height:1.45;color:var(--ink);font-weight:800}
.ins-card.big .ins-idea strong{font-size:20px}
.ins-learn{margin:0;padding-inline-start:20px;display:grid;gap:6px;font-size:15px;line-height:1.55;color:var(--ink2)}
.ins-card.big .ins-learn{font-size:17px}
.ins-prompt{background:var(--a2);border-radius:12px;padding:12px 14px;margin-top:4px}
.ins-prompt p{margin:4px 0 0;font-size:15px;line-height:1.55;color:var(--ink);overflow-wrap:anywhere}
.ins-pk{font-size:13px;font-weight:800;color:var(--l4)}
[data-theme=dark] .ins-pk{color:var(--a)}
.ins-act{display:flex;gap:10px;flex-wrap:wrap;margin-top:auto;padding-top:6px}
.ins-card.big{margin-top:6px}
.ins-card.big .ins-body{padding:20px 22px 22px}
.inspo .pager{margin-top:22px}
@media (max-width:600px){
  .ins-shot img{aspect-ratio:390/470}
  .ins-card.big .ins-shot img{aspect-ratio:390/560}
}

/* ---- gamification + sound lessons (demos reward-fx, game-system, sound-loop; labs reward-lab, game-designer, sound-lab) ---- */
.rf-wrap{position:absolute;inset:0;container-type:inline-size;display:flex;gap:2.5%;padding:2.5%}
.rf-panel{flex:1;position:relative;background:var(--surface);border:1px solid var(--line);border-radius:2.4cqw;overflow:hidden;display:flex;flex-direction:column;align-items:center;padding:1.4cqw;gap:1cqw}
.rf-panel.live{border:2px solid var(--a)}
.rf-tag{font-size:2cqw;font-weight:800;color:var(--ink2)}
.rf-top{display:flex;gap:1.2cqw;align-items:center;width:90%;font-size:2cqw}
.rf-pts{white-space:nowrap}.rf-bar{flex:1;height:1.2cqw;border-radius:1cqw;background:var(--surface2);overflow:hidden}.rf-bar i{display:block;height:100%;background:var(--g)}
.rf-q{font-size:3.3cqw;font-weight:800;margin-top:.6cqw}
.rf-opts{display:flex;gap:1.2cqw}
.rf-o{border:2px solid var(--line);border-radius:1.2cqw;padding:.5cqw 1.8cqw;font-size:2.4cqw;font-weight:700;background:var(--surface)}
.rf-o.hov{border-color:var(--p)}.rf-o.ok{background:var(--g2);border-color:var(--g);color:var(--g)}
.rf-cv{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:3}
.rf-tro{position:absolute;left:50%;top:63%;width:12cqw;height:12cqw;border-radius:50%;display:grid;place-items:center;font-size:7cqw;background:radial-gradient(circle at 50% 40%,#FFF4C2,#FFD45E 70%,#F2B21B);overflow:hidden;opacity:0;z-index:2}
.rf-shine{position:absolute;top:-10%;bottom:-10%;width:35%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.9),transparent)}
.rf-badge{position:absolute;top:56%;right:5%;font-size:1.9cqw;font-weight:800;background:var(--p2);color:var(--ink);border:2px solid var(--p);border-radius:2cqw;padding:.4cqw 1cqw;opacity:0;z-index:2}
.rf-star{position:absolute;top:58%;left:8%;font-size:4cqw;opacity:0;z-index:2}
.rf-msg{position:absolute;bottom:13%;font-size:2.3cqw;font-weight:800;color:var(--g)}
.rf-next{position:absolute;bottom:3%;left:0;right:0;margin:auto;width:fit-content;font-size:1.9cqw;font-weight:800;border:2px solid var(--line);border-radius:1.4cqw;padding:.4cqw 1.6cqw;background:var(--surface)}
.rf-next.hi{background:var(--p);color:#fff;border-color:var(--p)}
.gs-wrap{position:absolute;inset:0;container-type:inline-size;display:grid;grid-template-columns:minmax(0,1fr) 36%;grid-template-rows:auto minmax(0,1fr);gap:1.6%;padding:2.2%}
.gs-wrap>*{font-size:1.8cqw}
.gs-hd{grid-column:1/-1;display:flex;gap:1.2cqw;align-items:center;flex-wrap:wrap}
.gs-av{font-size:2.3cqw;margin-inline-end:auto}
.gs-chip{background:var(--surface);border:1px solid var(--line);border-radius:3cqw;padding:.4cqw 1.2cqw;font-weight:800;font-size:2cqw;display:inline-block}
.gs-chip.pop{background:var(--a2);border-color:var(--a)}
.gs-map{background:var(--surface);border:1px solid var(--line);border-radius:2cqw;min-height:0}
.gs-map svg{width:100%;height:100%;display:block}
.gs-path{fill:none;stroke:var(--line);stroke-width:5;stroke-linecap:round;stroke-linejoin:round}
.gs-n{fill:var(--surface2);stroke:var(--line);stroke-width:2}.gs-n.done{fill:var(--g2);stroke:var(--g)}.gs-n.cur{fill:var(--p2);stroke:var(--p);stroke-width:3}.gs-n.lock{fill:var(--surface2);stroke:var(--ink3)}.gs-n.open{fill:var(--a2);stroke:var(--a);stroke-width:3}
.gs-map text{fill:var(--ink);font-weight:700}
.gs-side{display:flex;flex-direction:column;gap:1cqw;min-height:0}
.gs-card{background:var(--surface);border:1px solid var(--line);border-radius:1.6cqw;padding:.8cqw 1.3cqw;line-height:1.35}
.gs-card.done{border-color:var(--g);background:var(--g2)}.gs-card.hl{box-shadow:0 0 0 .4cqw var(--a)}
.gs-k{font-weight:800}
.gs-qbar{height:1cqw;border-radius:1cqw;background:var(--surface2);overflow:hidden;margin:.4cqw 0}.gs-qbar i{display:block;height:100%;background:var(--g);transition:none}
.gs-qn{font-weight:700;font-size:1.7cqw}
.gs-shelf span{display:inline-block;font-size:2.8cqw;margin-inline-end:.6cqw}
.gs-tb{display:flex;align-items:center;gap:.8cqw;font-size:1.6cqw}.gs-tb span{width:10cqw;white-space:nowrap}.gs-tb i{display:block;height:1.1cqw;border-radius:1cqw;background:var(--p)}
.gs-pb{margin-top:.4cqw;font-size:1.6cqw}
.gs-fb{position:absolute;bottom:2.4cqw;right:3cqw;font-size:2.2cqw;font-weight:800;background:var(--g2);color:var(--g);border-radius:1.4cqw;padding:.5cqw 1.4cqw;opacity:0}
.gs-fb.retry{background:var(--a2);color:var(--ink)}
.gs-up{position:absolute;left:38%;top:52%;font-size:4.6cqw;font-weight:900;background:var(--surface);border:3px solid var(--a);border-radius:2cqw;padding:.6cqw 2.4cqw;box-shadow:var(--shadow);opacity:0}
.rl-ctl{display:flex;flex-direction:column;gap:8px}
.rl-lbl{font-size:15px;font-weight:700;color:var(--ink2);margin:4px 0}
.rl-chips{display:flex;flex-wrap:wrap;gap:6px}
.rl-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;align-items:start}
.rl-rm{font-size:15px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.rl-tip{margin:10px 0;font-size:15px;line-height:1.55;background:var(--surface2);border-radius:10px;padding:8px 12px}
.rl-screen{position:relative;border:2px solid var(--line);border-radius:18px;background:var(--bg);padding:14px;overflow:hidden;min-height:400px;display:flex;flex-direction:column;gap:10px;transition:box-shadow .4s}
.rl-screen.rl-glow{box-shadow:0 0 0 4px var(--a),0 0 26px rgba(255,180,0,.45)}
.rl-top{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700}
.rl-pts{white-space:nowrap}.rl-pts b{display:inline-block;min-width:3ch}
.rl-bar{flex:1;height:12px;border-radius:9px;background:var(--surface2);overflow:hidden}.rl-bar i{display:block;height:100%;background:var(--g);border-radius:9px}
.rl-bar.anim i{transition:width .8s cubic-bezier(.2,.8,.2,1)}
.rl-stk{white-space:nowrap;font-size:14px}
.rl-q{font-size:22px;font-weight:800;text-align:center;margin-top:6px}
.rl-opts{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.rl-o{width:auto;min-width:80px;text-align:center;margin:0}
.rl-fb{text-align:center;font-weight:700;min-height:1.5em}.rl-fb.ok{color:var(--g)}.rl-fb.mid{color:var(--ink2)}
.rl-fx{position:absolute;inset:0;pointer-events:none;z-index:3}
.rl-cv{position:absolute;inset:0;width:100%;height:100%}
.rl-tro{position:absolute;left:50%;top:67%;width:92px;height:92px;margin:-46px 0 0 -46px;border-radius:50%;display:grid;place-items:center;font-size:54px;background:radial-gradient(circle at 50% 40%,#FFF4C2,#FFD45E 70%,#F2B21B);overflow:hidden;opacity:0;filter:drop-shadow(0 0 14px rgba(255,190,0,.7))}
.rl-tro i{position:absolute;top:-10%;bottom:-10%;width:35%;left:-40%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.95),transparent);transform:skewX(-20deg)}
.rl-tro:not(.shine) i{display:none}
.rl-badge{position:absolute;top:44%;right:6%;font-size:15px;font-weight:800;background:var(--p2);border:2px solid var(--p);border-radius:16px;padding:4px 10px;opacity:0;color:var(--ink)}
.rl-star{position:absolute;top:46%;left:8%;font-size:36px;opacity:0}
.rl-static{position:absolute;left:50%;top:67%;transform:translate(-50%,-50%);text-align:center;font-weight:800;opacity:0;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:8px 18px}
.rl-img{font-size:48px;line-height:1.1}
.rl-next{align-self:center;margin-top:auto;position:relative;z-index:4}
@keyframes rl-pop{0%{transform:scale(0);opacity:0}100%{transform:scale(1);opacity:1}}
@keyframes rl-pulse{0%,100%{transform:scale(1);filter:drop-shadow(0 0 10px rgba(255,190,0,.5))}50%{transform:scale(1.1);filter:drop-shadow(0 0 26px rgba(255,190,0,.95))}}
@keyframes rl-shine{0%{left:-40%}100%{left:110%}}
@keyframes rl-bounce{0%,100%{transform:translateY(0)}40%{transform:translateY(-26px)}60%{transform:translateY(-8px)}}
@keyframes rl-fade{from{opacity:0}to{opacity:1}}
@keyframes rl-out{from{opacity:1}to{opacity:0}}
@keyframes rl-shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
@media (prefers-reduced-motion:reduce){.rl-bar.anim i,.rl-screen{transition:none}}
.gd-wrap{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:16px;margin-top:14px;align-items:start}
@media (max-width:640px){.gd-wrap{grid-template-columns:minmax(0,1fr)}}
.gd-phone{border:3px solid var(--ink);border-radius:26px;padding:14px 12px;background:var(--bg);display:flex;flex-direction:column;gap:8px;font-size:14px;min-height:360px;max-width:320px;width:100%;margin-inline:auto}
.gd-bar{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.gd-bar>span:first-child{margin-inline-end:auto}
.gd-c{background:var(--surface);border:1px solid var(--line);border-radius:99px;padding:2px 8px;font-weight:700;font-size:13px;white-space:nowrap}
.gd-title{font-weight:800;font-size:17px;text-align:center}
.gd-map{display:flex;align-items:center;justify-content:center}.gd-map i{flex:1;max-width:22px;height:3px;background:var(--line)}
.gd-n{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:13px;border:2px solid var(--line);background:var(--surface2);flex:none}
.gd-n.done{background:var(--g2);border-color:var(--g);color:var(--g)}.gd-n.cur{background:var(--p2);border-color:var(--p)}.gd-n.lock{opacity:.75}
.gd-unl{text-align:center;font-weight:700}
.gd-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:7px 10px;line-height:1.45}
.gd-q{display:inline-block;width:70px;height:8px;border-radius:6px;background:var(--surface2);overflow:hidden;vertical-align:middle}.gd-q i{display:block;height:100%;background:var(--g)}
.gd-ops{display:flex;gap:6px;margin-top:6px}.gd-ops span{flex:1;text-align:center;border:1px solid var(--line);border-radius:8px;padding:3px}
.gd-fb{border-radius:10px;padding:6px 10px;font-weight:700}.gd-fb.ok{background:var(--g2);color:var(--g)}.gd-fb.no{background:var(--a2);color:var(--ink)}
.gd-tb{display:flex;align-items:center;gap:6px}.gd-tb i{display:block;height:8px;border-radius:6px;background:var(--p)}
.gd-pub{border-color:var(--r)}.gd-low{background:var(--r2);color:var(--r);border-radius:6px;padding:0 6px;font-weight:700}
.gd-health{background:var(--surface2);border-radius:12px;padding:10px 12px;margin-top:10px;font-size:15px;line-height:1.6}
.gd-prompt{margin-top:10px;border:1px dashed var(--line);border-radius:12px;padding:10px 12px}.gd-ptxt{font-size:15px;line-height:1.55;margin-bottom:6px}
.sl-note{font-size:15px;color:var(--ink2);margin:0 0 10px}
.sl-vol{max-width:360px;margin:10px 0}
.sl-loop{position:relative;height:16px;border-radius:9px;background:var(--surface2);overflow:hidden;margin:12px 0 6px}
.sl-ph{position:absolute;inset-block:0;right:0;width:0;background:linear-gradient(270deg,var(--p2),var(--p))}
.sl-seam{position:absolute;inset-block:0;left:0;width:6px}.sl-seam.jump{background:var(--r)}.sl-seam.smooth{background:var(--g)}
.sl-stat{font-size:15px;line-height:1.55;min-height:3em}
.sl-harsh{border-color:var(--r)}
.sl-vis{min-height:2.2em;margin-top:8px;border-radius:10px;padding:6px 12px;font-weight:700}
.sl-vis.ok{background:var(--g2);color:var(--g)}.sl-vis.mid{background:var(--a2);color:var(--ink)}.sl-vis.bad{background:var(--r2);color:var(--r)}

/* Code boxes for site builders (app.js devCode): one fixed title, collapsed by default, muted. */
details.devcode{margin-top:16px;border:1px dashed var(--line);border-radius:var(--radius);background:var(--surface)}
details.devcode>summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:12px 16px;min-height:48px;cursor:pointer;color:var(--ink2);border-radius:var(--radius)}
details.devcode>summary::-webkit-details-marker{display:none}
details.devcode>summary:focus-visible{outline:3px solid var(--a2);outline-offset:2px}
details.devcode .dc-t{font-family:var(--f-head);font-weight:700;font-size:16px}
details.devcode .dc-tg{font-size:14px;font-weight:700;border:1px solid var(--line);border-radius:999px;padding:3px 12px;white-space:nowrap}
details.devcode .dc-tg::after{content:" ▾"}
details.devcode[open] .dc-tg::after{content:" ▴"}
details.devcode .dc-hide,details.devcode[open] .dc-show{display:none}
details.devcode[open] .dc-hide{display:inline}
details.devcode[open]>summary{border-bottom:1px solid var(--line);border-radius:var(--radius) var(--radius) 0 0}
details.devcode .dc-body p{margin:0;padding:12px 16px 0;color:var(--ink2);font-size:16px}
details.devcode .dc-body p.dc-after{padding-bottom:14px;padding-top:0}
.code .dc-tag{padding:11px 16px 0 110px;font-size:14px;font-weight:700;color:#C9D1E3;font-family:var(--f-body,inherit)}
.code .dc-tag~.lang{display:none}
.code .dc-tag~pre{padding-top:20px}

/* ---- v20: element-types lesson (element-dict, element-match, screen-builder) ---- */
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.ed-bar{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;margin:4px 0 12px}
.ed-chips{display:flex;flex-wrap:wrap;gap:6px}
.ed-chips .chip{cursor:pointer;min-height:36px}
.ed-search{flex:1 1 200px;min-width:0;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font:inherit;font-size:15px;background:var(--surface);color:var(--ink)}
.ed-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,250px),1fr));gap:12px}
.ed-item{border:1px solid var(--line);border-radius:14px;padding:12px 14px;background:var(--bg);display:flex;flex-direction:column;gap:6px;min-width:0}
.ed-item[hidden]{display:none}
.ed-item.tried{border-color:color-mix(in srgb,var(--g) 55%,var(--line))}
.ed-item.tried .ed-h h4::after{content:" ✓";color:var(--g)}
.ed-h{display:flex;align-items:baseline;justify-content:space-between;gap:4px 8px;flex-wrap:wrap}
.ed-h h4{margin:0;font-family:var(--f-head);font-size:17px}
.ed-en{font-size:12.5px;color:var(--ink3);font-family:ui-monospace,monospace;unicode-bidi:isolate}
.ed-body{padding:4px 0;min-width:0;position:relative}
.ed-body select,.ed-in{width:100%;max-width:100%;min-height:42px;border:1px solid var(--line);border-radius:10px;padding:6px 10px;font:inherit;font-size:16px;background:var(--surface);color:var(--ink);box-sizing:border-box}
.ed-body input[type=range]{width:100%;accent-color:var(--p)}
.ed-echo{font-size:15px;margin-top:6px;min-height:22px}
.ed-use{font-size:14.5px;color:var(--ink2);line-height:1.45}
.ed-use b{color:var(--ink)}
.ed-ask{background:var(--a2);border-radius:10px;padding:8px 10px;margin-top:auto}
.ed-ak{font-size:12.5px;font-weight:800;color:var(--ink2)}
.ed-ask p{margin:2px 0 0;font-size:14.5px;line-height:1.5}
.ed-ask .copy{margin-top:6px}
.ed-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}
.ed-card{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:8px 4px;display:flex;flex-direction:column;align-items:center;gap:2px;cursor:pointer;color:var(--ink);font:inherit;min-height:44px;box-shadow:0 1px 2px rgba(0,0,0,.06)}
.ed-card b{font-size:14px}.ed-card small{font-size:12px;color:var(--ink3)}
.ed-ci{font-size:22px;line-height:1.2}
.ed-card[aria-pressed=true]{border-color:var(--p);box-shadow:0 0 0 2px var(--p2)}
.ed-car{border:1px solid var(--line);border-radius:12px;background:var(--surface);min-height:96px;display:grid;place-items:center;overflow:hidden}
.ed-slide{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px;animation:edIn .3s ease both}
.ed-slide small{color:var(--ink3);font-size:13px}
.ed-big{font-size:34px;line-height:1.1}
.ed-carnav{display:flex;align-items:center;justify-content:space-between;margin-top:6px;gap:6px}
.ed-arr{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--ink);font-size:18px;cursor:pointer}
.ed-dots{display:flex;gap:2px}
.ed-dots button{width:24px;height:24px;border:0;background:none;padding:0;cursor:pointer;display:grid;place-items:center}
.ed-dots button::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--line)}
.ed-dots button.on::before{background:var(--p)}
@keyframes edIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.ed-mini{position:relative;border:1px solid var(--line);border-radius:12px;background:var(--surface);overflow:hidden;min-height:60px}
.ed-mini.ph{max-width:240px;min-height:150px;margin:0 auto;width:100%}
.ed-mini.ph.tall{min-height:170px}
.ed-nav{display:flex;align-items:center;gap:2px;padding:4px 8px;flex-wrap:wrap;border-bottom:1px solid var(--line)}
.ed-logo{margin-inline-end:auto;color:var(--p);font-family:var(--f-head);font-size:14px}
.ed-nav button,.ed-bnav button{border:0;background:none;font:inherit;color:var(--ink2);cursor:pointer}
.ed-nav button{font-size:14px;font-weight:700;padding:8px 6px;border-bottom:3px solid transparent;min-height:40px}
.ed-nav button[aria-current=page]{color:var(--p);border-bottom-color:var(--p)}
.ed-mbar{display:flex;align-items:center;gap:8px;background:var(--p);color:#fff;font-weight:700;font-size:14px;padding:4px 8px}
[data-theme=dark] .ed-mbar{color:#12151D}
.ed-hb{width:40px;height:40px;border:0;border-radius:8px;background:transparent;color:inherit;font-size:20px;cursor:pointer}
.ed-hb[aria-expanded=true]{background:rgba(255,255,255,.25)}
.ed-mlist{position:absolute;inset-inline:0;top:48px;background:var(--surface);box-shadow:0 8px 18px rgba(0,0,0,.18);z-index:2;display:flex;flex-direction:column}
.ed-mlist[hidden]{display:none}
.ed-mlist button,.ed-drawer button,.ed-ddm button{border:0;background:none;font:inherit;color:var(--ink);text-align:right;padding:10px 12px;min-height:42px;cursor:pointer;font-weight:700;font-size:14px}
.ed-mlist button{border-bottom:1px solid var(--line)}
.ed-mlist button:hover,.ed-drawer button:hover,.ed-ddm button:hover,.ed-mlist button:focus-visible,.ed-drawer button:focus-visible,.ed-ddm button:focus-visible{background:var(--p2)}
.ed-lines{padding:10px 12px}
.ed-lines i{display:block;height:8px;border-radius:6px;background:var(--line);margin:8px 0}
.ed-lines i:nth-child(2n){width:72%}
.ed-scrim{position:absolute;inset:0;background:rgba(15,20,30,.5);opacity:0;pointer-events:none;transition:opacity .2s;z-index:2}
.ed-drawer{position:absolute;top:0;bottom:0;right:0;width:72%;background:var(--surface);z-index:3;transform:translateX(105%);transition:transform .25s;display:flex;flex-direction:column;padding:8px 4px;visibility:hidden;transition:transform .25s,visibility 0s .25s}
.ed-drawer b{color:var(--p);font-family:var(--f-head);padding:6px 10px;font-size:14px}
.ed-mini.open .ed-scrim{opacity:1;pointer-events:auto}
.ed-mini.open .ed-drawer{transform:none;visibility:visible;transition:transform .25s;box-shadow:-6px 0 18px rgba(0,0,0,.2)}
.ed-dd{position:relative;display:inline-block}
.ed-ddm{position:absolute;top:calc(100% + 4px);right:0;min-width:160px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);z-index:4;display:flex;flex-direction:column;overflow:hidden}
.ed-ddm[hidden]{display:none}
.ed-bt{padding:10px 12px 0;font-weight:800;font-family:var(--f-head)}
.ed-bnav{position:absolute;bottom:0;inset-inline:0;display:flex;border-top:1px solid var(--line);background:var(--surface)}
.ed-bnav button{flex:1;display:flex;flex-direction:column;align-items:center;font-size:11.5px;font-weight:700;padding:4px 0;min-height:48px;color:var(--ink3)}
.ed-bnav button span{font-size:18px;line-height:1.2}
.ed-bnav button[aria-current=page]{color:var(--p)}
.ed-crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;align-items:center;font-size:14.5px}
.ed-crumbs li+li::before{content:"›";color:var(--ink3);margin:0 6px}
.ed-crumbs button{border:0;background:none;font:inherit;color:var(--p);text-decoration:underline;cursor:pointer;padding:6px 2px;min-height:36px}
.ed-crumbs span{font-weight:700}
.ed-prog{height:14px;border-radius:99px;background:var(--surface2);border:1px solid var(--line);overflow:hidden}
.ed-prog i{display:block;height:100%;background:var(--g);border-radius:99px;transition:width .35s}
.ed-progt{font-size:14px;color:var(--ink2);margin-top:4px}
@media (prefers-reduced-motion:reduce){.ed-slide{animation:none}.ed-drawer,.ed-scrim,.ed-prog i{transition:none}}
/* element-match */
.em-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,190px),1fr));gap:10px}
.em-item{border:2px solid var(--line);border-radius:14px;padding:10px;background:var(--bg);display:flex;flex-direction:column;gap:8px;min-width:0}
.em-item.right{border-color:var(--g);background:var(--g2)}
.em-item.wrong{border-color:var(--r);background:var(--r2)}
.em-item select{width:100%;min-height:42px;border:1px solid var(--line);border-radius:10px;padding:4px 8px;font:inherit;font-size:15px;background:var(--surface);color:var(--ink)}
.em-fb{font-size:14px;font-weight:700;min-height:18px}
.em-pic{height:92px;border-radius:10px;background:var(--surface);border:1px solid var(--line);padding:8px;box-sizing:border-box;overflow:hidden;position:relative;font-size:13px;display:flex;flex-direction:column;justify-content:center}
.em-ph{position:absolute;inset:6px 30%;border:2px solid var(--ink3);border-radius:10px;overflow:hidden}
.em-top{height:18px;background:var(--p);display:flex;align-items:center;padding:0 4px}
.em-hb{color:#fff;font-size:13px;line-height:1}
.em-ln i{display:block;height:6px;border-radius:4px;background:var(--line);margin:6px 6px}
.em-ln i:nth-child(2){width:60%}
.em-crumb{font-size:13px;color:var(--ink3)}.em-crumb u{color:var(--p)}.em-crumb b{color:var(--ink)}
.em-tabs{display:flex;gap:10px;border-bottom:2px solid var(--line);font-size:13px;padding:0 4px}
.em-tabs b{color:var(--p);border-bottom:3px solid var(--p);margin-bottom:-2px}
.em-tabs span{color:var(--ink3)}
.em-sw{width:56px;height:30px;border-radius:99px;background:var(--g);position:relative;margin:0 auto}
.em-sw span{position:absolute;top:4px;left:4px;width:22px;height:22px;border-radius:50%;background:#fff}
.em-sl{position:relative;height:8px;border-radius:9px;background:var(--line);margin:10px 8px}
.em-sl i{position:absolute;top:0;bottom:0;right:0;width:60%;background:var(--p);border-radius:9px}
.em-sl b{position:absolute;top:-6px;right:calc(60% - 10px);width:20px;height:20px;border-radius:50%;background:var(--p);border:2px solid #fff;box-shadow:0 1px 3px rgba(0,0,0,.3)}
.em-cap{text-align:center;color:var(--ink3);font-size:12px;margin-top:4px}
.em-bb{position:absolute;bottom:0;inset-inline:0;display:flex;justify-content:space-around;border-top:1px solid var(--line);font-size:9px;padding:2px 0;background:var(--surface)}
.em-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.em-cards span{border:1px solid var(--line);border-radius:8px;height:62px;box-shadow:0 2px 4px rgba(0,0,0,.08);overflow:hidden;background:var(--bg)}
.em-cards i{display:block;height:28px;background:var(--p2)}
.em-sel{display:flex;justify-content:space-between;border:2px solid var(--line);border-radius:8px;padding:6px 10px;background:var(--bg)}
.em-pr{height:14px;border-radius:9px;background:var(--line);overflow:hidden;margin:0 6px}
.em-pr i{display:block;height:100%;width:60%;background:var(--g)}
.em-toast{position:absolute;bottom:8px;left:50%;transform:translateX(-50%);background:#1D2433;color:#fff;border-radius:99px;padding:3px 12px;font-weight:700;font-size:12px;white-space:nowrap}
.em-acc div{border-bottom:1px solid var(--line);padding:3px 0;font-weight:700}.em-acc small{display:block;font-weight:400;color:var(--ink3)}
.em-dd{position:relative}.em-dd span{border:1px solid var(--line);border-radius:6px;padding:2px 8px;font-weight:700}.em-dd ul{list-style:none;margin:4px 0 0;padding:0;border:1px solid var(--line);border-radius:6px;width:90px;box-shadow:var(--shadow);background:var(--bg)}.em-dd li{padding:1px 8px}
/* screen-builder */
.sb-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,280px);gap:16px;align-items:start}
.sb-ctl{display:flex;flex-direction:column;gap:10px;min-width:0}
.sb-topic{display:flex;flex-direction:column;gap:4px;font-weight:700;font-size:15px}
.sb-topic input{border:1px solid var(--line);border-radius:10px;padding:8px 12px;font:inherit;font-size:16px;background:var(--surface);color:var(--ink);min-height:42px;font-weight:400}
.sb-fs label{min-height:34px;font-size:15px}
.sb-prev{display:flex;flex-direction:column;align-items:center;gap:6px;position:sticky;top:calc(var(--top) + 10px)}
.sb-phone{width:min(100%,250px);background:#1c2230;border-radius:28px;padding:9px}
.sb-scr{position:relative;background:var(--surface);border-radius:20px;height:400px;overflow:hidden;font-size:13px;display:flex;flex-direction:column}
.sb-note{font-size:13px}
.sb-top{display:flex;align-items:center;gap:8px;background:var(--p);color:#fff;padding:8px 10px;font-size:14px;flex:none}
[data-theme=dark] .sb-top{color:#12151D}
.sb-top.nb{justify-content:space-between;flex-wrap:wrap;gap:2px 8px}
.sb-links{display:flex;gap:8px;font-size:12px}.sb-links u{text-decoration:none;opacity:.85}.sb-links u.on{opacity:1;border-bottom:2px solid currentColor}
.sb-hb{font-size:17px}
.sb-body{padding:8px 10px;display:flex;flex-direction:column;gap:6px;flex:1;min-height:0;overflow:hidden}
.sb-crumb{color:var(--ink3);font-size:11.5px}.sb-crumb b{color:var(--ink)}
.sb-prog{height:8px;border-radius:9px;background:var(--surface2);overflow:hidden}.sb-prog i{display:block;height:100%;background:var(--g)}
.sb-small{font-size:11.5px;color:var(--ink3)}
.sb-tabs{display:flex;gap:12px;border-bottom:2px solid var(--line);font-size:12.5px}.sb-tabs b{color:var(--p);border-bottom:2px solid var(--p);margin-bottom:-2px}.sb-tabs span{color:var(--ink3)}
.sb-q{font-weight:800;font-family:var(--f-head);font-size:14px}
.sb-tip{display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--p2);color:var(--p-ink);font-size:11px}
.sb-opt{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:8px;padding:5px 8px}
.sb-opt i{width:14px;height:14px;border:2px solid var(--ink3);flex:none;display:grid;place-items:center;font-style:normal;font-size:9px;color:#fff;font-weight:800}
.sb-opt i.rd{border-radius:50%}.sb-opt i.rd.on{border-color:var(--p);background:radial-gradient(var(--p) 45%,transparent 50%)}
.sb-opt i.cb{border-radius:3px}.sb-opt i.cb.on{background:var(--p);border-color:var(--p)}
.sb-sel{display:flex;justify-content:space-between;border:1px solid var(--line);border-radius:8px;padding:6px 8px;color:var(--ink3)}
.sb-sl{position:relative;height:6px;border-radius:9px;background:var(--line);margin:4px 2px 6px}.sb-sl i{position:absolute;top:0;bottom:0;right:0;width:70%;background:var(--p);border-radius:9px}.sb-sl b{position:absolute;top:-5px;right:calc(70% - 8px);width:16px;height:16px;border-radius:50%;background:var(--p)}
.sb-go{margin-top:auto;border:0;border-radius:10px;background:var(--g);color:#fff;font:inherit;font-weight:800;padding:8px;pointer-events:none}
.sb-toast{position:absolute;bottom:58px;left:50%;transform:translateX(-50%);background:#1D2433;color:#fff;border-radius:99px;padding:4px 12px;font-weight:700;font-size:12px;white-space:nowrap;box-shadow:0 4px 12px rgba(0,0,0,.25)}
.sb-bb{display:flex;justify-content:space-around;border-top:1px solid var(--line);padding:6px 0;font-size:16px;flex:none;background:var(--surface)}
.sb-bb span{opacity:.5}.sb-bb span.on{opacity:1}
.sb-out{margin-top:14px}
@media (max-width:760px){.sb-wrap{grid-template-columns:minmax(0,1fr)}.sb-prev{order:-1;position:static}.sb-scr{height:340px}}

/* deep gamification (משחוק לעומק): leader-game + deep-game-gen */
.lg-meters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:10px 0 12px}
.lg-m{background:var(--surface2);border-radius:12px;padding:8px 10px;min-width:0}
.lg-mh{display:flex;justify-content:space-between;gap:6px;font-size:14px;font-weight:700;color:var(--ink2)}
.lg-d{font-size:12px}.lg-d.up{color:var(--g)}.lg-d.dn{color:var(--r)}
.lg-bar{height:10px;border-radius:99px;background:var(--line);overflow:hidden;margin-top:6px}
.lg-bar i{display:block;height:100%;border-radius:99px;transition:width .6s ease}
.lg-bar i.t-g{background:var(--g)}.lg-bar i.t-a{background:var(--a)}.lg-bar i.t-r{background:var(--r)}
.lg-q p{font-size:18px;font-weight:700;margin:4px 0 10px;line-height:1.5}
.lg-step{font-size:13px;font-weight:800;color:var(--l6)}
.lg-opts{display:grid;gap:8px}
.lg-opt{text-align:start;border:2px solid var(--line);background:var(--surface);border-radius:12px;padding:10px 14px;font-size:16px;font-weight:600;min-height:48px;color:var(--ink);cursor:pointer}
.lg-opt:hover,.lg-opt:focus-visible{border-color:var(--l6)}
.lg-cit{display:flex;flex-direction:column;gap:4px;background:color-mix(in srgb,var(--l6) 10%,var(--surface));border-inline-start:4px solid var(--l6);border-radius:12px;padding:10px 14px;margin:6px 0 8px;font-size:16px;line-height:1.55}
.lg-who{font-size:13px;font-weight:800;color:var(--ink2)}
.lg-end p{margin:0 0 8px;line-height:1.6}
.dg-top{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:10px}
.dg-hint{font-size:14px;margin-top:6px}
.dg-ba{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:8px;align-items:stretch;margin-top:14px}
.dg-b,.dg-a{border-radius:12px;padding:10px 12px;font-size:16px;line-height:1.5}
.dg-b{background:var(--r2);color:var(--ink)}.dg-a{background:var(--g2);color:var(--ink);font-weight:600}
.dg-k{display:block;font-size:12px;font-weight:800;margin-bottom:2px;color:var(--ink2)}
.dg-arrow{align-self:center;font-size:22px;color:var(--ink3)}
.dg-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:10px}
.dg-c{background:var(--surface2);border-radius:12px;padding:10px 12px;min-width:0}.dg-c p{margin:4px 0 0;font-size:15px;line-height:1.5}
.dg-dec{margin:12px 0 0;padding-inline-start:0;list-style:none;display:grid;gap:6px}
.dg-dec li{border:1px solid var(--line);border-radius:12px;padding:8px 12px;font-size:15px;line-height:1.5}
.dg-con{display:block;color:var(--ink2);margin-top:2px}
@media (max-width:600px){.lg-meters{grid-template-columns:1fr;gap:6px}.dg-top,.dg-grid{grid-template-columns:1fr}.dg-ba{grid-template-columns:1fr}.dg-arrow{transform:rotate(-90deg);justify-self:center}}

/* 🎮 יישום: home callout to the studio (course.json homeCallout) and the game-first lesson layout (lesson labFirst) */
.home-callout{display:flex;align-items:center;gap:14px;margin:22px 0 4px;padding:16px 18px;border-radius:var(--radius);background:linear-gradient(120deg,color-mix(in srgb,var(--lc) 14%,var(--surface)),var(--surface));border:1.5px solid color-mix(in srgb,var(--lc) 45%,var(--line));color:var(--ink);text-decoration:none;box-shadow:var(--shadow)}
.home-callout:hover{border-color:var(--lc)}
.hc-em{font-size:34px;flex:none}
.hc-tx{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1}
.hc-tx small{font-size:13px;font-weight:700;color:var(--lc)}
.hc-tx b{font-family:var(--f-head);font-size:19px;line-height:1.3}
.hc-tx span{font-size:15.5px;color:var(--ink2);line-height:1.5}
.hc-go{flex:none;background:var(--lc);color:#fff;font-weight:800;padding:9px 14px;border-radius:12px;white-space:nowrap}
@media (max-width:560px){.home-callout{flex-wrap:wrap}.hc-go{width:100%;text-align:center}}
.sec.sec-first{margin-top:22px}

.home-callout+.home-callout{margin-top:10px}

/* ---- no top header (Ofer, Nov 5 9:20): the brand sits at the top of the menu, day/night beside "על הקורס" at its bottom,
   and on narrow screens a small floating ☰ opens the menu ---- */
:root{--top:0px}
.layout{min-height:100vh}
.side-brand{padding:16px 16px 2px;flex:0 0 auto}
.side-brand .logo{width:42px;height:42px;font-size:22px}
.side-foot{align-items:center}
.side-foot .theme-btn{margin-inline-start:auto;width:40px;height:40px;flex:0 0 auto}
.menu-fab{position:fixed;top:10px;left:10px;z-index:50;background:var(--surface);box-shadow:0 4px 14px rgba(0,0,0,.18)}
body.st-lock .menu-fab{display:none}
@media (max-width:920px){:root{--top:0px}.main{padding-top:16px}.toc{padding-inline-end:56px}.lesson-h,.hero{padding-inline-end:48px}}

/* ---- v32: element-types "תווית" (badge) + lesson page-structure (page-skeleton, menu-kinds) ---- */
.ed-bdgc{display:flex;align-items:center;gap:8px;flex-wrap:wrap;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px 12px;min-height:52px}
.ed-bdgc .ed-ci{font-size:22px}
.ed-bdgs{display:inline-flex;gap:6px;flex-wrap:wrap}
.ed-bdg{display:inline-block;font-size:12.5px;font-weight:800;line-height:1;padding:5px 9px;border-radius:99px;animation:pgIn .25s ease both}
.ed-bdg-new{background:#DCFCE7;color:#166534}.ed-bdg-hot{background:#FFE4E6;color:#BE123C}.ed-bdg-cat{background:#DBEAFE;color:#1E40AF}
[data-theme=dark] .ed-bdg-new{background:#14532D;color:#BBF7D0}[data-theme=dark] .ed-bdg-hot{background:#4C0519;color:#FECDD3}[data-theme=dark] .ed-bdg-cat{background:#1E3A8A;color:#BFDBFE}
.ed-bdgrow{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.sk-wrap{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:14px;align-items:start}
@media (max-width:760px){.sk-wrap{grid-template-columns:minmax(0,1fr)}}
.sk-page{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2.6fr);grid-template-areas:"header header" "nav nav" "aside main" "footer footer";gap:8px;padding:10px;border-radius:16px;background:var(--surface2);border:1px solid var(--line)}
.sk-z{--zc:var(--p);grid-area:var(--a);position:relative;font:inherit;text-align:start;border:2px dashed color-mix(in srgb,var(--zc) 55%,transparent);background:color-mix(in srgb,var(--zc) 8%,var(--surface));color:var(--ink);border-radius:12px;padding:8px 10px;cursor:pointer;display:flex;flex-direction:column;gap:6px;min-height:46px;transition:background .15s,border-color .15s,box-shadow .15s}
.sk-z:hover{background:color-mix(in srgb,var(--zc) 16%,var(--surface))}
.sk-z:focus-visible{outline:3px solid var(--zc);outline-offset:2px}
.sk-z[aria-pressed=true]{border-style:solid;border-color:var(--zc);background:color-mix(in srgb,var(--zc) 22%,var(--surface));box-shadow:0 0 0 4px color-mix(in srgb,var(--zc) 22%,transparent)}
.sk-page[data-on] .sk-z[aria-pressed=false]{opacity:.55}
.sk-header{--a:header;--zc:#7C3AED}.sk-nav{--a:nav;--zc:#2563EB}.sk-main{--a:main;--zc:#16A34A;min-height:170px}.sk-aside{--a:aside;--zc:#EA580C}.sk-footer{--a:footer;--zc:#475569}
.sk-tag{font-size:14px;line-height:1.3}.sk-tag code{font-size:12px;color:var(--zc);font-weight:700}
.sk-fill{display:flex;flex-wrap:wrap;gap:6px;align-items:center;pointer-events:none}
.sk-ln{display:block;height:7px;border-radius:9px;background:color-mix(in srgb,var(--zc) 30%,var(--line));width:100%}
.sk-logo{width:22px;height:22px;border-radius:7px;background:var(--zc)}
.sk-pill{width:44px;height:10px;border-radius:9px;background:color-mix(in srgb,var(--zc) 25%,var(--line))}.sk-pill.on{background:var(--zc)}
.sk-card{display:block;width:100%;height:46px;border-radius:9px;background:color-mix(in srgb,var(--zc) 18%,var(--surface))}
.sk-info{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px 14px;min-height:120px}
.sk-info h4{margin:0 0 6px;font-size:18px}.sk-info h4 code{font-size:14px;color:var(--ink3)}
.sk-info p{margin:0 0 10px}.sk-hint{color:var(--ink3);font-weight:700}
.mk-mini{position:relative;border:1px solid var(--line);border-radius:12px;background:var(--surface);overflow:hidden;min-height:120px;font-size:13.5px}
.mk-mini nav button,.mk-panel button,.mk-ddl button{font:inherit;font-weight:700;border:0;background:none;color:var(--ink2);cursor:pointer;padding:6px 8px;border-radius:8px;min-height:32px;white-space:nowrap}
.mk-mini nav button[aria-current=page]{color:var(--p);background:color-mix(in srgb,var(--p) 12%,transparent)}
.mk-mini nav button:focus-visible,.mk-panel button:focus-visible,.mk-ddl button:focus-visible,.mk-hb:focus-visible{outline:2px solid var(--p);outline-offset:1px}
.mk-body{padding:10px 12px;display:flex;flex-direction:column;gap:7px}
.mk-body i{display:block;height:7px;border-radius:9px;background:var(--line);width:88%}.mk-body i:nth-child(2n){width:66%}
.mk-v{display:grid;grid-template-columns:96px 1fr}
.mk-side{display:flex;flex-direction:column;gap:2px;padding:6px;background:var(--surface2);border-inline-end:1px solid var(--line)}
.mk-side button{text-align:start}
.mk-top{display:flex;gap:2px;align-items:center;padding:5px 6px;border-bottom:1px solid var(--line);background:var(--surface2);flex-wrap:nowrap;overflow:hidden}
.mk-d{overflow:visible;min-height:150px}.mk-d .mk-top{overflow:visible}
.mk-ddw{position:relative}
.mk-ddl{position:absolute;top:calc(100% + 4px);right:0;z-index:4;display:flex;flex-direction:column;min-width:140px;padding:4px;background:var(--surface);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow)}
.mk-ddl[hidden],.mk-panel[hidden]{display:none}
.mk-ddl button,.mk-panel button{text-align:start}
.mk-ddl button:hover,.mk-panel button:hover{background:var(--surface2)}
.mk-ph{max-width:220px;margin-inline:auto;border-radius:18px;border:4px solid #1c2230;min-height:150px}
.mk-pbar{display:flex;align-items:center;gap:8px;padding:6px 8px;background:var(--p);color:#fff;font-weight:800}
.mk-hb{font:inherit;font-size:18px;line-height:1;width:34px;height:34px;border-radius:8px;border:0;background:rgba(255,255,255,.18);color:#fff;cursor:pointer}
.mk-panel{position:absolute;top:46px;right:0;bottom:0;width:70%;z-index:3;display:flex;flex-direction:column;gap:2px;padding:6px;background:var(--surface);box-shadow:-6px 0 18px rgba(0,0,0,.2)}
.mk-chips{display:flex;gap:6px;padding:8px;overflow-x:auto;scrollbar-width:thin;border-bottom:1px solid var(--line);background:var(--surface2);-webkit-mask-image:linear-gradient(to left,#000 85%,transparent);mask-image:linear-gradient(to left,#000 85%,transparent)}
.mk-chips button{flex:0 0 auto;border:1px solid var(--line)!important;border-radius:99px!important;background:var(--surface)!important}
.mk-chips button[aria-current=page]{background:var(--p)!important;color:#fff!important;border-color:var(--p)!important}
.mk-st{height:150px;overflow-y:auto;overscroll-behavior:contain}
.mk-sth{position:sticky;top:0;z-index:2;display:flex;align-items:center;gap:6px;padding:0 0 0 4px;background:var(--surface2);border-bottom:1px solid var(--line);box-shadow:0 4px 10px rgba(0,0,0,.08)}
.mk-sth>b{padding-inline-start:8px;white-space:nowrap}.mk-sth .mk-top{border:0;background:none;padding-inline:0}
.mk-long{padding-bottom:16px}

/* ---- v33: feedback button (WhatsApp to Ofer) in the menu's bottom area ---- */
.side-foot{flex-wrap:wrap;row-gap:8px}
.side-foot a.fb-btn{flex:1 0 100%;order:-1;display:flex;align-items:center;justify-content:center;gap:6px;min-height:40px;padding:7px 12px;border-radius:12px;font-size:14px;font-weight:700;color:#0B6E4F;background:rgba(37,211,102,.12);border:1px solid rgba(37,211,102,.55);text-decoration:none;transition:background .15s,border-color .15s}
.side-foot a.fb-btn:hover{background:rgba(37,211,102,.22);border-color:#25D366}
.side-foot a.fb-btn:focus-visible{outline:3px solid #25D366;outline-offset:2px}
[data-theme=dark] .side-foot a.fb-btn{color:#6EE7A8;background:rgba(37,211,102,.14);border-color:rgba(37,211,102,.45)}

/* flip cards + toggle labs (🤝 עבודה עם Tab, v36) */
.flips{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px;margin-top:6px}
.flip{position:relative;min-height:150px;border:0;padding:0;background:none;cursor:pointer;perspective:900px;font:inherit;color:inherit;text-align:center}
.flip-in{position:absolute;inset:0;display:block;transition:transform .45s ease;transform-style:preserve-3d}
.flip[aria-pressed=true] .flip-in{transform:rotateY(180deg)}
.flip-f,.flip-b{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:14px;border-radius:14px;backface-visibility:hidden;-webkit-backface-visibility:hidden;font-size:16px;line-height:1.45}
.flip-f{background:var(--surface2);border:2px solid var(--line);font-weight:700}
.flip-f small{font-weight:400;color:var(--ink3);font-size:13px}
.flip-ic{font-size:28px;line-height:1}
.flip-b{background:var(--g2);border:2px solid var(--g);transform:rotateY(180deg)}
.flip:hover .flip-f{border-color:var(--p)}
.flip:focus-visible{outline:3px solid var(--p);outline-offset:3px;border-radius:14px}
.tgl{display:flex;flex-wrap:wrap;gap:6px;background:var(--surface2);border:1px solid var(--line);border-radius:14px;padding:5px;margin:6px 0 12px}
.tgl-b{flex:1 1 120px;min-height:44px;border:0;border-radius:10px;background:none;color:var(--ink2);font:inherit;font-weight:700;font-size:15px;cursor:pointer;padding:8px 10px}
.tgl-b[aria-selected=true]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow);outline:2px solid var(--p)}
.tgl-b:focus-visible{outline:3px solid var(--p)}
.tgl-lead{margin:0 0 8px;font-weight:700}
.tgl-out dl{margin:0;display:flex;flex-direction:column;gap:8px}
.tgl-row{display:grid;grid-template-columns:minmax(90px,30%) 1fr;gap:10px;background:var(--surface2);border-radius:10px;padding:10px 12px}
.tgl-row dt{font-weight:700;color:var(--ink2)}.tgl-row dd{margin:0}
@media (max-width:520px){.tgl-row{grid-template-columns:1fr;gap:2px}}
@media (prefers-reduced-motion:reduce){.flip-in{transition:none}}

/* 🔊 הקראה (js/tts.js, v37): the small bar under the lesson title, the highlighted paragraph, the 3-language demo box */
.tts{display:inline-flex;align-items:center;gap:4px;flex-wrap:wrap;margin-top:8px;padding:3px 4px 3px 10px;border:1px solid var(--line);border-radius:999px;background:var(--surface);font-size:14px;max-width:100%}
.tts-l{color:var(--ink2);font-weight:600;padding-inline-start:6px;white-space:nowrap}
.tts-b{font:inherit;font-size:14px;line-height:1;min-width:32px;height:30px;padding:0 8px;border:0;border-radius:999px;background:transparent;color:var(--ink);cursor:pointer}
.tts-b:hover:not(:disabled){background:var(--surface2)}
.tts-b:disabled{opacity:.35;cursor:default}
.tts-r{font-weight:700;font-variant-numeric:tabular-nums;color:var(--p-ink)}
.tts.is-on{border-color:var(--p);box-shadow:0 0 0 3px var(--p2)}
.tts-note{font-size:13px;color:var(--ink3);padding:0 8px}
.tts-on{background:var(--a2);box-shadow:0 0 0 6px var(--a2);border-radius:6px;outline:2px solid var(--a);outline-offset:6px;transition:background .2s}
.tts-demo{margin:18px 0;padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.tts-dt{font-weight:800;font-size:17px;margin-bottom:4px}
.tts-ds{margin:0 0 10px;color:var(--ink2);font-size:15px}
.tts-dl{display:grid;gap:8px}
.tts-di{display:flex;gap:10px;align-items:flex-start;padding:8px 10px;border-radius:12px;background:var(--surface2);min-width:0}
.tts-di .tts-dx{margin:0;flex:1;min-width:0;overflow-wrap:anywhere;text-align:start}
.tts-db{font:inherit;font-size:14px;font-weight:700;flex:none;min-width:92px;padding:6px 10px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);cursor:pointer;white-space:nowrap}
.tts-db:hover{border-color:var(--p)}
.tts-db.is-on{background:var(--p);border-color:var(--p);color:#fff}
.tts-di.tts-on{box-shadow:0 0 0 2px var(--a);outline:0}
@media (max-width:520px){.tts-di{flex-direction:column;gap:6px}}
.tts-b.is-p{background:var(--p2);color:var(--p-ink)}

/* toggle: optional example message with copy (tab-files "מה אני שולח?") */
.tgl-msg{margin:0 0 10px;display:flex;flex-direction:column;gap:6px}
.tgl-mk{font-size:14px;font-weight:700;color:var(--ink2)}
.tgl-msg .bubble{max-width:100%}

/* v40: link button inside lesson reading, md [[label](url)] (tab-speed → tab.bot/account) */
.reading .rd-btn{color:#fff;text-decoration:none;margin-top:2px}
.reading .rd-btn:hover{filter:brightness(1.05)}

/* v42 (Ofer, Nov 5 19:19): "💡 הצעות" is a compact button beside "דף הבית" (was a full-width row); about's "כתבו לי" WhatsApp button */
.side-foot a.fb-btn{flex:0 0 auto;order:0;min-height:36px;padding:5px 12px;font-size:15px}
.rd-btn.wa-btn{background:#25D366;border-color:#1EBE5A;color:#fff;text-decoration:none;gap:7px;margin-top:6px}
.rd-btn.wa-btn:hover{background:#1EBE5A;filter:none}
.rd-btn.wa-btn:focus-visible{outline:3px solid #0B6E4F;outline-offset:2px}
.rd-btn.wa-btn svg{width:18px;height:18px;fill:#fff}
[data-theme=dark] .rd-btn.wa-btn{color:#0B1F14}
[data-theme=dark] .rd-btn.wa-btn svg{fill:#0B1F14}

/* v43 (Ofer, Nov 6 08:26): menu top buttons (דף הבית · הצעות · על הקורס · theme) slightly smaller so all fit on ONE row (desktop sidebar + mobile drawer, down to 360) */
.side-foot{flex-wrap:nowrap;gap:4px;padding:10px 10px 18px;font-size:13.5px}
.side-foot a{padding:6px 8px;white-space:nowrap;flex:0 1 auto;min-height:36px;display:inline-flex;align-items:center}
.side-foot a.fb-btn{flex:0 1 auto;min-height:36px;padding:5px 9px;font-size:13.5px;gap:4px}
.side-foot .theme-btn{width:36px;height:36px}

/* v45 (Ofer, Nov 8 00:31 — Apple-design round 1, items 1·2·4): quieter menu + shorter inspiration page */
/* 1. lesson rows: no empty circle, a small ✓ only when done; group headers keep the emoji, the dot becomes a thin color accent */
.lsn .ck{width:auto;height:auto;border:0;border-radius:0;background:none;font-size:14px;font-weight:800;color:var(--g);line-height:1}
.lsn.done .ck{background:none;border:0}
.lsn.done .ck::after{content:none}
.lvl-h{border-inline-start:3px solid var(--lc);border-start-start-radius:4px;border-end-start-radius:4px}
/* 2. progress = one thin line under the logo; filters = one compact segmented control */
.side-prog{display:flex;align-items:center;gap:8px;padding:6px 16px 0;padding-inline-start:68px;flex:0 0 auto}
.side-prog .bar{flex:1;height:4px;margin:0;background:color-mix(in srgb,var(--p) 16%,transparent)}
.side-prog b{font-size:12.5px;font-weight:700;color:var(--ink3);font-variant-numeric:tabular-nums;white-space:nowrap}
.side-head{padding-top:12px}
.filters.seg{display:flex;flex-wrap:nowrap;gap:2px;margin-top:8px;padding:2px;border-radius:10px;background:var(--surface2);border:1px solid var(--line)}
.filters.seg .chip{flex:1 1 0;min-width:0;border:0;background:none;border-radius:8px;padding:3px 6px;min-height:28px;font-size:13px;font-weight:600;color:var(--ink2);white-space:nowrap;cursor:pointer}
.filters.seg .chip.on{background:var(--surface);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.14)}
[data-theme=dark] .filters.seg .chip.on{background:var(--bg)}
/* 4. inspiration gallery: card = image, title, one line, 💡 idea; "איך זה עובד" + Tab request fold behind "עוד ▾"; 2–3 columns on wide screens */
.ins-more{display:flex;flex-direction:column;gap:8px}
.ins-more>summary{list-style:none;cursor:pointer;align-self:flex-start;font-size:14px;font-weight:700;color:var(--l5);padding:2px 0}
.ins-more>summary::-webkit-details-marker{display:none}
.ins-more .im-c,.ins-more[open] .im-o{display:none}
.ins-more[open] .im-c{display:inline}
.ins-more[open]{gap:8px}
@media (min-width:1024px){
  .wrap.ins-gal{max-width:1180px}
  .ins-gal .ins-grid{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}
}
@media (min-width:1280px){.ins-gal .ins-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}

/* tab-talk "🤔 מה ההבדל" section: 3-way compare (v47) */
.diff.reading{display:block}
.cmp-w:focus-visible{outline:2px solid var(--a);outline-offset:2px}
.cmp th.cmp-hl,.cmp td.cmp-hl{background:color-mix(in srgb,var(--lc,var(--a)) 9%,var(--surface))}
.cmp thead th.cmp-hl{background:color-mix(in srgb,var(--lc,var(--a)) 18%,var(--surface2))}
.cmp-stack table{min-width:640px}
.cmp-stack td{min-width:150px}
.cmp-note{font-size:14px;color:var(--ink3);margin-top:-8px!important}
.diff-h{font-family:var(--f-head);font-size:18px;margin:22px 0 10px}
.diff-bottom{border-inline-start:4px solid var(--lc,var(--a));background:var(--surface2);padding:12px 14px;border-radius:12px;font-weight:600}
@media (max-width:700px){
.cmp-stack table{min-width:0}
.cmp-stack .cmp-w{overflow:visible;border:0;border-radius:0}
.cmp-stack table,.cmp-stack tbody,.cmp-stack tr,.cmp-stack th,.cmp-stack td{display:block;width:auto}
.cmp-stack thead{display:none}
.cmp-stack table{background:none;font-size:15px}
.cmp-stack tr{border:1px solid var(--line);border-radius:14px;background:var(--surface);margin:0 0 12px;overflow:hidden}
.cmp-stack tbody th{white-space:normal;width:auto;background:var(--surface2);color:var(--ink);font-size:15.5px;padding:10px 12px}
.cmp-stack td{min-width:0;padding:9px 12px;border-bottom:1px solid var(--line)}
.cmp-stack td+td{border-inline-start:0}
.cmp-stack tr td:last-child{border-bottom:0}
.cmp-stack td::before{content:attr(data-h);display:block;font-size:12.5px;font-weight:700;color:var(--ink3);margin-bottom:2px}
.cmp-stack td.cmp-hl::before{color:var(--ink)}
}
.cmp-sub{display:block;font-family:var(--f-body,inherit);font-weight:500;font-size:13px;color:var(--ink3);margin-top:2px;text-align:right}

/* v48 fonts lesson (Ofer, Nov 11): live Google Fonts samples, font cards, font-pick lab */
.fx-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:14px 0 18px}
.fx-sample{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.fx-sample figcaption{display:flex;justify-content:space-between;align-items:baseline;gap:8px;flex-wrap:wrap;font-size:14px;color:var(--ink3);margin-bottom:6px}
.fx-sample figcaption b{color:var(--ink);font-family:var(--f-head);font-size:16px}
.fx-sample p{font-size:24px;line-height:1.5;margin:0 0 6px;color:var(--ink)}
.fx-sample small{display:block;font-size:14px;color:var(--ink2);line-height:1.5}
.fx-fn{font-size:13px;font-family:ui-monospace,Menlo,monospace}
.fx-gh{font-size:20px;margin:22px 0 6px}
.fx-gi{margin:0 0 10px;color:var(--ink2);font-size:16px}
.fx-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.fx-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 16px;display:flex;flex-direction:column;gap:6px;min-width:0}
.fx-top{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.fx-name{font-size:21px;line-height:1.2;font-weight:400}
.fx-kind{font-size:12.5px;font-weight:700;border-radius:999px;padding:1px 10px;background:var(--p2);color:var(--p-ink,var(--ink));white-space:nowrap}
.fx-kind.is-serif{background:var(--a2);color:var(--ink)}
.fx-use{margin:0;font-size:15px;line-height:1.5;color:var(--ink2)}
.fx-demo{margin:4px 0 2px;font-size:23px;line-height:1.45;color:var(--ink);background:var(--surface2);border-radius:10px;padding:8px 12px;overflow-wrap:anywhere}
.fx-link{font-size:14px;font-weight:700;margin-top:auto}
.fx-tips{margin-top:20px;background:var(--surface2);border-radius:14px;padding:12px 18px 6px}
.fx-pick{margin-top:12px}
.fx-pl{font-weight:700;font-size:15px;margin-bottom:6px}
.fx-chips{display:flex;flex-wrap:wrap;gap:8px}
.fx-chip{font:inherit;font-size:16px;min-height:44px;padding:6px 14px;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.fx-chip[aria-pressed=true]{border-color:var(--p);background:var(--p2);box-shadow:0 0 0 2px var(--p) inset}
.fx-prev{margin-top:16px;border:1px solid var(--line);border-radius:16px;background:var(--surface);padding:16px 18px}
.fx-pt{font-size:28px;line-height:1.2;margin-bottom:8px;color:var(--ink)}
.fx-pq{font-size:19px;line-height:1.55;margin:0 0 12px;color:var(--ink)}
.fx-pops{display:flex;gap:10px}
.fx-pops span{flex:1;text-align:center;border:2px solid var(--p);color:var(--p);border-radius:12px;padding:8px 0;font-size:20px;font-weight:700}
.fx-psc{margin-top:10px;font-size:15px;color:var(--ink3)}
.fx-out{margin-top:12px;max-width:100%}
@media (max-width:640px){.fx-pair{grid-template-columns:1fr}.fx-sample p{font-size:21px}.fx-grid{grid-template-columns:1fr}.fx-pt{font-size:24px}}

/* 📽️ משחקי אוף-ליין (v49) */
.lsn-sub{list-style:none;margin:8px 10px 2px;padding-top:8px;border-top:1px dashed var(--line)}
.lsn-sub span{display:block;font-size:13px;font-weight:700;color:var(--lc,var(--ink3));font-family:var(--f-head);letter-spacing:.01em}
.crumb-sub{font-weight:700;color:var(--lc)}
.oi-intro{margin:0 0 14px;color:var(--ink2)}
.oi-index{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px}
.oi-index a{display:inline-flex;align-items:center;gap:4px;padding:7px 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface);font-size:14px;font-weight:600;color:var(--ink2);text-decoration:none;min-height:36px}
.oi-index a:hover{border-color:var(--lc);color:var(--ink)}
.oi{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 18px 20px;margin:0 0 22px;scroll-margin-top:16px}
.oi-h{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px}
.oi-ic{font-size:30px;line-height:1;flex:none;width:48px;height:48px;display:grid;place-items:center;border-radius:14px;background:var(--surface2)}
.oi-h h3{margin:0 0 6px;font-size:20px;line-height:1.35}
.oi-num{color:var(--lc)}
.oi-chips{display:flex;flex-wrap:wrap;gap:6px}
.oi-chip{font-size:13px;font-weight:700;padding:3px 10px;border-radius:999px;white-space:nowrap;background:var(--surface2);color:var(--ink2)}
.oi-chip.is-ok{background:var(--g2);color:var(--g)}
.oi-chip.is-lab{background:var(--a2);color:#B45309}
.oi-chip.b-easy{background:var(--g2);color:var(--g)}.oi-chip.b-mid{background:var(--a2);color:#B45309}.oi-chip.b-hard{background:var(--r2);color:var(--r)}
.oi-body{display:block}
.oi-fig{margin:0 0 16px;background:var(--surface2);border-radius:14px;padding:10px;display:grid;grid-template-columns:minmax(0,1.75fr) minmax(0,1fr);gap:16px;align-items:center}
.oi-fig svg{display:block;width:100%;height:auto}
.oi-fig2{display:block;margin:4px 0 12px;max-width:520px}
.oi-fig2 figcaption{font-size:14px;color:var(--ink3);text-align:center;margin:6px 4px 2px;line-height:1.5}
.oi-steps{margin:4px 0 2px;padding:0 4px;list-style:none;counter-reset:st;display:grid;gap:6px}
.oi-steps li{counter-increment:st;display:flex;gap:8px;align-items:flex-start;font-size:15px;line-height:1.5;color:var(--ink2)}
.oi-steps li::before{content:counter(st);flex:none;width:24px;height:24px;border-radius:50%;background:var(--a);color:#fff;font-weight:800;font-size:13px;display:grid;place-items:center;margin-top:1px}
.oi-txt h4{margin:14px 0 4px;font-size:16px}
.oi-txt h4:first-child{margin-top:0}
.oi-txt p{margin:0 0 6px;line-height:1.65}
.oi-txt ul{margin:2px 0 0;padding-inline-start:18px}
.oi-txt li{margin:2px 0;line-height:1.55}
.oi-report{margin:14px 0 6px;padding:12px 14px;border-radius:12px;background:var(--p2);border-inline-start:4px solid var(--p)}
.oi-report h4{margin-top:0;color:var(--p-ink)}
.oi-pc{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:6px}
.oi-econ{margin-top:12px;padding:12px 14px;border-radius:12px;background:var(--a2)}
.oi-econ h4{margin-top:0}
.oi-tab{margin-top:12px}
.oi-tab .bubble{max-width:none}
.om-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.om-card{display:flex;flex-direction:column;gap:8px;padding:16px;border-radius:var(--radius);border:2px solid var(--oc);background:var(--surface);color:var(--ink);text-decoration:none;box-shadow:var(--shadow)}
.om-card:hover{transform:translateY(-2px)}
.om-h{display:flex;align-items:center;gap:8px;font-size:18px;font-family:var(--f-head)}
.om-em{font-size:24px}
.om-d{margin:0;font-size:15px;color:var(--ink2);line-height:1.55}
.om-card ul{margin:0;padding:0;list-style:none;display:grid;gap:5px}
.om-card li{font-size:15px;line-height:1.45}
.om-lab{font-size:12px;font-weight:700;color:#B45309;white-space:nowrap}
.om-go{margin-top:auto;font-weight:700;color:var(--oc)}
@media (max-width:1100px){.om-grid{grid-template-columns:1fr}}
@media (max-width:760px){.oi-fig{grid-template-columns:1fr;gap:6px}}
.om-fig{margin:0 0 16px;background:var(--surface2);border-radius:14px;padding:10px;max-width:760px}.om-fig svg{display:block;width:100%;height:auto}.om-fig figcaption{font-size:14px;color:var(--ink3);text-align:center;margin-top:6px}
@media (max-width:560px){.oi{padding:14px 12px 16px}.oi-pc{grid-template-columns:1fr}.oi-h h3{font-size:18px}.oi-ic{width:40px;height:40px;font-size:24px}.oi-fig{margin:0 -4px}}
#imap .cmp{margin-top:20px}

/* 🔒 student-privacy (v51): rules list, solution cards, key-lab */
.rl-list{list-style:none;padding:0;margin:0 0 14px;display:grid;gap:10px}
.rl{display:flex;gap:12px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow)}
.rl-ic{flex:none;width:38px;height:38px;border-radius:12px;background:var(--p2);display:grid;place-items:center;font-size:20px}
.rl p{margin:0 0 6px}.rl p:last-child{margin:0}
.rl-src{font-size:14px;color:var(--ink3)}.rl-src a{color:var(--p);font-weight:600;overflow-wrap:anywhere}
.rl-note{display:flex;gap:10px;align-items:flex-start;background:var(--a2);border-radius:var(--radius);padding:12px 16px;margin:6px 0 0}
.rl-note span{font-size:22px;line-height:1.3}.rl-note p{margin:0;font-size:15px}
.sol .oi-h{margin-bottom:8px}.sl-when{background:var(--surface2);border-radius:12px;padding:8px 12px;margin-top:12px}.sl-when h4{margin:0 0 2px}.sl-when p{margin:0}
.sol .devcode{margin-top:12px}
.kl-add{align-items:flex-end;flex-wrap:wrap;gap:10px}.kl-add .f{flex:1 1 220px}.kl-add input{width:100%}
.kl-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:12px 0}
.kl-p{border:1px solid var(--line);border-radius:14px;padding:10px 12px;background:var(--surface)}
.kl-key{background:var(--a2)}.kl-p h4{margin:0 0 8px;font-size:15px}
.kl-rows{display:grid;gap:6px;max-height:260px;overflow:auto}
.kl-r{display:flex;align-items:center;gap:8px;background:var(--surface);border-radius:10px;padding:5px 8px;min-height:40px}
.kl-key .kl-r{background:var(--surface)}
.kl-code{font-family:ui-monospace,Menlo,Consolas,monospace;letter-spacing:1px;background:var(--p2);border-radius:8px;padding:2px 8px}
.kl-name,.kl-pts{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.kl-x{border:0;background:none;color:var(--ink3);font-size:16px;min-width:36px;min-height:36px;cursor:pointer}
.kl-empty{color:var(--ink3);font-size:14px;margin:4px 0}
.kl-bar{display:flex;flex-wrap:wrap;gap:8px}.kl-del{color:var(--r)}
@media (max-width:560px){.kl-grid{grid-template-columns:1fr}.rl{padding:12px}}

/* 📸 shots (camera-motion, v52) */
.shots{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
.shot{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:10px;box-shadow:var(--shadow)}
.shot img{display:block;width:100%;height:auto;border-radius:10px;border:1px solid var(--line)}
.shot figcaption{font-size:15px;color:var(--ink2,var(--ink));margin-top:8px;line-height:1.5}
.shot:first-child{grid-column:1/-1}
.shot-phone{grid-row:span 2}
.shot-phone img{max-height:560px;width:auto;max-width:100%;margin-inline:auto}
@media (max-width:700px){.shots{grid-template-columns:1fr}.shot-phone{grid-row:auto}.shot-phone img{max-height:520px}}