:root{--bg:#f4f7ff;--ink:#1d2340;--mut:#4b5375;--card:#fff;--pri:#2457d6;--pri2:#0f9b8e;--acc:#ff8a3d;--sun:#ffc531;--sea:#1fa2d6;--deep:#3b2aa8;--ok:#138a4a;--bad:#c0392b;--r:20px;--fs:18px}
*{box-sizing:border-box}html{font-size:var(--fs)}
body{margin:0;font-family:"Rubik","Assistant","Segoe UI","Noto Sans Hebrew",Arial,sans-serif;background:radial-gradient(1200px 600px at 100% -10%,#dff3ff,transparent),radial-gradient(900px 500px at -10% 10%,#fff1e0,transparent),var(--bg);color:var(--ink);line-height:1.65}
.hc{--bg:#fff;--ink:#000;--mut:#111;--card:#fff;--pri:#0033aa;--pri2:#004d40}
.hc body,body.hc{background:#fff}
a{color:var(--pri)}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:4px solid #ffb000;outline-offset:3px}
.skip{position:absolute;right:-999px;top:0;background:#000;color:#fff;padding:8px 14px;z-index:99}.skip:focus{right:8px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.top{position:sticky;top:0;z-index:20;background:linear-gradient(90deg,#1b3fae,#1fa2d6 55%,#0f9b8e);color:#fff;box-shadow:0 6px 18px #1b3fae33}
.bar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 12px;max-width:1150px;margin:auto}
.brand{display:flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-weight:800;font-size:1.02rem}.brand img{border-radius:12px;background:#fff}
.tools{display:flex;gap:6px}.tools button{background:#ffffff26;color:#fff;border:2px solid #ffffff66;border-radius:12px;min-width:44px;min-height:44px;font-size:1rem;font-weight:700;cursor:pointer}
#nav{display:flex;flex-wrap:wrap;gap:4px;justify-content:center;padding:4px 8px 8px;max-width:1150px;margin:auto}
#nav a{color:#fff;text-decoration:none;padding:7px 11px;border-radius:999px;font-weight:600;font-size:.92rem}#nav a[aria-current=page],#nav a:hover{background:#ffffff33}
@media(max-width:760px){#nav{display:none}#nav.open{display:flex;flex-direction:column}.brand span{font-size:.85rem}}
@media(min-width:761px){#menu{display:none}}
main{max-width:1150px;margin:auto;padding:14px 14px 40px;outline:none}
.crumbs{font-size:.85rem;color:var(--mut);margin:4px 0 10px}.crumbs a{color:var(--mut)}
h1{font-size:1.75rem;line-height:1.3;margin:.3em 0 .4em}h2{font-size:1.35rem;margin:1.2em 0 .5em}h3{font-size:1.12rem;margin:.6em 0 .3em}
.hero{position:relative;border-radius:28px;overflow:hidden;box-shadow:0 18px 40px #1b3fae33;background:#1b3fae}
.hero img{width:100%;display:block;aspect-ratio:16/9;object-fit:cover}
.hero .cap{position:absolute;inset:auto 0 0 0;padding:18px 18px 16px;background:linear-gradient(transparent,#071a4dee 45%);color:#fff}
.hero h1{margin:0;font-size:2rem;text-shadow:0 3px 10px #0008}.hero p{margin:.3em 0 0;font-size:1rem}
@media(max-width:600px){.hero h1{font-size:1.3rem}.hero p{font-size:.85rem}.hero img{aspect-ratio:4/3}}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.card{background:var(--card);border-radius:var(--r);padding:16px;box-shadow:0 8px 22px #1d234016,0 2px 0 #fff inset;border:1px solid #e3e8ff;position:relative}
a.card{display:block;text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s}a.card:hover{transform:translateY(-3px);box-shadow:0 14px 30px #1d234026}
.card .em{font-size:2.1rem;display:inline-grid;place-items:center;width:58px;height:58px;border-radius:18px;background:linear-gradient(145deg,#fff,#e6eeff);box-shadow:0 6px 12px #2457d622, inset 0 -4px 0 #2457d614;margin-bottom:6px}
.card h3{margin:.2em 0}.card p{margin:.2em 0;color:var(--mut);font-size:.95rem}
.p1{border-top:6px solid #1fa2d6}.p2{border-top:6px solid #2bb3e6}.p3{border-top:6px solid #13a86b}.p4{border-top:6px solid #2457d6}.p5{border-top:6px solid #ff8a3d}
.tag{display:inline-block;font-size:.78rem;font-weight:700;padding:2px 10px;border-radius:999px;background:#eef2ff;color:var(--deep);margin:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:52px;padding:10px 20px;border-radius:16px;border:0;background:linear-gradient(180deg,#3b73ff,#2457d6);color:#fff;font-weight:800;font-size:1.02rem;text-decoration:none;cursor:pointer;box-shadow:0 6px 0 #173a99,0 10px 18px #2457d644;margin:4px}
.btn:active{transform:translateY(3px);box-shadow:0 3px 0 #173a99}
.btn.g{background:linear-gradient(180deg,#22c08a,#0f9b6e);box-shadow:0 6px 0 #0b6e4e}.btn.o{background:linear-gradient(180deg,#ffa25a,#ff7a1f);box-shadow:0 6px 0 #c4570f}.btn.l{background:#fff;color:var(--pri);box-shadow:0 5px 0 #c9d4f5;border:2px solid #c9d4f5}
.levels{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.levels button{min-height:48px;padding:8px 14px;border-radius:14px;border:2px solid #c9d4f5;background:#fff;font-weight:800;font-size:.98rem;cursor:pointer;color:var(--ink)}
.levels button[aria-pressed=true]{background:linear-gradient(180deg,#ffd55c,#ffb820);border-color:#e09c00}
.text{background:#fffef8;border:2px solid #f3e7c2;border-radius:var(--r);padding:16px 18px;font-size:1.08rem;line-height:1.85}
.text p{margin:.4em 0}
.stop{background:#fff4e6;border-right:6px solid var(--acc);padding:10px 14px;border-radius:14px;margin:12px 0;font-weight:600}
.depth{border-radius:var(--r);padding:14px 16px;margin:14px 0;color:var(--ink)}
.d1{background:linear-gradient(180deg,#fff7d6,#fffdf3);border:2px solid #ffe18a}.d2{background:linear-gradient(180deg,#d9f3ff,#f2fbff);border:2px solid #9ad8f5}.d3{background:linear-gradient(180deg,#e7e2ff,#f6f4ff);border:2px solid #bfb3ff}
.q{margin:12px 0}.q .qt{font-weight:700}
.opts{display:grid;gap:8px;margin-top:6px}
.opt{text-align:right;min-height:50px;padding:10px 14px;border-radius:14px;border:2px solid #c9d4f5;background:#fff;font-size:1rem;cursor:pointer;color:var(--ink)}
.opt:hover{border-color:var(--pri)}.opt.ok{background:#e3f8ec;border-color:var(--ok)}.opt.no{background:#fde8e6;border-color:var(--bad)}
.fb{margin-top:6px;font-weight:600}.fb.ok{color:var(--ok)}.fb.no{color:var(--bad)}
.hint{font-size:.9rem;background:#fff;border:1px dashed #9ad8f5;border-radius:10px;padding:6px 10px;margin-top:6px}
textarea{width:100%;min-height:90px;border-radius:12px;border:2px solid #c9d4f5;padding:10px;font:inherit}
.tf{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:8px 0;background:#fff;border-radius:14px;padding:10px;border:1px solid #e3e8ff}
.tf span{flex:1 1 240px}.tf button{min-height:46px;min-width:70px;border-radius:12px;border:2px solid #c9d4f5;background:#fff;font-weight:800;cursor:pointer}
.sortbox{display:grid;grid-template-columns:1fr 1fr;gap:10px}.bin{background:#f3f6ff;border-radius:16px;padding:10px;min-height:110px;border:2px dashed #b9c6f2}.bin h4{margin:0 0 6px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}.chip{min-height:46px;padding:8px 14px;border-radius:999px;border:2px solid #c9d4f5;background:#fff;font-weight:600;cursor:pointer;font-size:.98rem;color:var(--ink)}
.chip.sel{background:#ffe9a8;border-color:#e0a800}.chip.ok{background:#e3f8ec;border-color:var(--ok)}.chip.no{background:#fde8e6;border-color:var(--bad)}
.glob{background:linear-gradient(135deg,#e0fbf4,#eaf3ff);border:2px solid #9fe3cf;border-radius:var(--r);padding:16px}
.chal{background:linear-gradient(135deg,#fff0f6,#fff7e8);border:2px solid #ffc2d9;border-radius:var(--r);padding:14px 16px}
.pager{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-top:22px}
table{border-collapse:collapse;width:100%;background:#fff;border-radius:12px;overflow:hidden}th,td{border:1px solid #dfe5fb;padding:8px;text-align:right;vertical-align:top}th{background:#eef2ff}
.tablewrap{overflow-x:auto}
.read{background:#fff;border:2px solid #c9d4f5;border-radius:12px;min-height:44px;padding:6px 12px;font-weight:700;cursor:pointer}
.small{font-size:.85rem;color:var(--mut)}
.foot{text-align:center;padding:20px 10px 30px;color:var(--mut)}.foot img{border-radius:14px}
.meter{height:14px;border-radius:999px;background:#e8ecfb;overflow:hidden}.meter i{display:block;height:100%;background:linear-gradient(90deg,#22c08a,#1fa2d6)}
.city{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;max-width:420px}.plot{aspect-ratio:1;border-radius:16px;border:2px dashed #b9c6f2;background:#f3f6ff;font-size:2.2rem;cursor:pointer;display:grid;place-items:center}
.plot.sel{border:3px solid #ffb000}
.mem{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px}.mem button{min-height:96px;border-radius:16px;border:2px solid #c9d4f5;background:linear-gradient(145deg,#3b73ff,#2457d6);color:#fff;font-weight:700;cursor:pointer;padding:8px;font-size:.92rem}
.mem button.open{background:#fff;color:var(--ink)}.mem button.done{background:#e3f8ec;color:var(--ok);border-color:var(--ok)}
.drawn{font-size:1.1rem;background:linear-gradient(145deg,#fff,#eef4ff);border-radius:24px;padding:20px;text-align:center;box-shadow:0 12px 26px #2457d622;border:3px solid #c9d4f5;max-width:460px;margin:auto}
.drawn .big{font-size:3.4rem}
.files li{margin:6px 0}.who{font-weight:800;padding:1px 8px;border-radius:8px;font-size:.8rem}.who.s{background:#e3f8ec;color:#0b6e4e}.who.t{background:#fde8f1;color:#a3165c}
.notice{background:#fffbe6;border:1px solid #ffe58f;border-radius:12px;padding:8px 12px;font-size:.92rem}
img.ill{width:100%;border-radius:20px;box-shadow:0 10px 24px #1d234026}
svg text{font-family:inherit}
@media print{.top,.foot,.tools,.pager,.btn{display:none!important}}

/* ---- full lessons ---- */
.fullbar{display:flex;align-items:center;gap:12px;margin:12px 0;padding:12px 16px;border-radius:18px;background:linear-gradient(135deg,#ffefc2,#ffd6e7 60%,#d9ecff);color:#1d2340;text-decoration:none;box-shadow:0 6px 0 #00000014;border:2px solid #ffb84d}
.fullbar>span:first-child{font-size:2em}.fullbar>span:last-child{margin-inline-start:auto;font-size:1.6em}.fullbar:hover,.fullbar:focus{transform:translateY(-2px)}
.fullbar.big{font-size:1.08em}
.ltabs{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 14px;padding:6px;border-radius:16px;background:#eef2ff}
.ltabs a{padding:8px 12px;border-radius:12px;text-decoration:none;color:#1b3fae;font-weight:700;background:#fff}
.ltabs a[aria-current]{background:#2457d6;color:#fff}
.mt0{margin-top:0}
.lgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;margin:10px 0}
.hook{background:#fff6e0;border:2px solid #ffd27a}
.say{background:#f1f5ff;border-right:4px solid #2457d6;padding:6px 10px;border-radius:8px;font-style:italic}
.tline{display:flex;flex-direction:column;gap:8px}
.tstep{display:flex;gap:10px;align-items:stretch;background:#fff;border-radius:14px;box-shadow:0 2px 8px #0000000f;overflow:hidden}
.tmin{flex:0 0 74px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;padding:6px}
.tmin b{font-size:1.6em;line-height:1}.tmin .small{color:#ffffffdd}
.tbody{padding:8px 10px 8px 0;flex:1}.tbody h3{margin:2px 0}
.s0 .tmin{background:#ff8a3d}.s1 .tmin{background:#2457d6}.s2 .tmin{background:#0f9b8e}.s3 .tmin{background:#c2185b}.s4 .tmin{background:#6a4fd6}.s5 .tmin{background:#455a64}
.diff{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}.dc h3{margin:0 0 4px}
.exitc{border:2px dashed #1d2340;background:#fffdf5}
.tans summary{cursor:pointer}
article.text h3.rt{margin-top:0;color:#1b3fae}article.text h4{margin:12px 0 4px;color:#c2185b}
.dyk{background:#e3fbf3;border:2px solid #9fe3cf;border-radius:16px;padding:8px 14px;margin:12px 0}.dyk h3{margin:4px 0}
.tablewrap{overflow-x:auto}.tablewrap table{border-collapse:collapse;width:100%;background:#fff;border-radius:12px;overflow:hidden}
.tablewrap caption{font-weight:800;text-align:right;padding:4px 0;color:#1b3fae}
.tablewrap th,.tablewrap td{border:1px solid #c8d2f0;padding:8px;text-align:right;vertical-align:top}.tablewrap th{background:#eef2ff}
.diag{margin:8px 0;background:#f7f4ff;border-radius:16px;padding:10px}.diag figcaption{font-weight:800;margin-bottom:6px}
.dflow{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.dbox{background:#fff;border:2px solid #6a4fd6;border-radius:12px;padding:6px 10px;max-width:240px}.dbox b{color:#6a4fd6}
.arr{font-size:1.5em;color:#6a4fd6;font-weight:800}
.diag.parts .dflow{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.vocab{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:8px}.vocab div{background:#fff8dc;border-radius:12px;padding:8px 10px}.vocab dt{font-weight:800;color:#1b3fae}.vocab dd{margin:2px 0 0}
.toc{line-height:2}
.lsec{margin:18px 0;padding-top:4px;border-top:3px dotted #dfe6fb}
.intro{color:#4b5375}
.lvb{display:inline-block;min-width:1.6em}
.bank .tag{margin:2px}
.cloze{line-height:2.4}.cloze select,.match select{font:inherit;font-size:.92em;padding:3px 6px;border-radius:8px;border:2px solid #9fb3ee;max-width:100%}
select.okc{border-color:#26890c;background:#e6f7e0}select.noc{border-color:#e21b3c;background:#ffe9ec}
.match .mrow{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:6px 0;padding:6px;background:#fff;border-radius:10px}.match .mrow label{flex:0 0 150px}.match select{flex:1;min-width:200px}
.chain{padding-right:22px}.chain li{display:flex;align-items:center;gap:6px;background:#fff;border:2px solid #dfe6fb;border-radius:12px;padding:6px 10px;margin:6px 0}.chain li span{flex:1}
.chain li button{min-width:40px;min-height:36px;border-radius:8px;border:1px solid #9fb3ee;background:#eef2ff;cursor:pointer}
.chain li.okc{border-color:#26890c;background:#e6f7e0}.chain li.noc{border-color:#e21b3c;background:#ffe9ec}
.debate{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px}.pro{background:#e6f7e0}.con{background:#ffe9ec}
ul.checks{list-style:none;padding:0}ul.checks li:before{content:"☑️ "}
.hots{margin:10px 0}
ul.files{list-style:none;padding:0}ul.files li{margin:6px 0}ul.files a{display:inline-block;padding:8px 12px;background:#fff;border-radius:12px;text-decoration:none;box-shadow:0 2px 6px #0000001a}
ul.fl{columns:2;column-gap:24px}@media(max-width:600px){ul.fl{columns:1}}
/* quiz */
.qsetup label{display:inline-block;margin:6px 10px 6px 0}.qsetup select{font:inherit;padding:4px;border-radius:8px}
.kq .kqq{font-size:1.35em;font-weight:800;margin:10px 0;line-height:1.4}
.kopts{display:grid;grid-template-columns:1fr 1fr;gap:10px}@media(max-width:560px){.kopts{grid-template-columns:1fr}}
.kopt{color:#fff;border:0;border-radius:14px;padding:16px 14px;font:inherit;font-weight:800;font-size:1.05em;text-align:right;cursor:pointer;min-height:64px;box-shadow:0 5px 0 #00000033}
.kopt span{font-size:1.2em;margin-inline-end:6px}.kopt.dim{opacity:.35}.kopt.right{outline:5px solid #1d2340;outline-offset:2px}
.kopt:focus-visible{outline:4px solid #1d2340;outline-offset:3px}
.meter{height:12px;background:#e6e9f5;border-radius:8px;overflow:hidden}.meter i{display:block;height:100%;background:linear-gradient(90deg,#26890c,#d89e00,#e21b3c);transition:width 1s linear}
.score{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0}.score span{background:#fff;border-radius:12px;padding:6px 10px;box-shadow:0 2px 6px #0000001a}.score span.on{outline:3px solid #2457d6}
.qn{color:#4b5375;font-weight:700}
.boardm{font-size:1.45em}.boardm .kqq{font-size:1.6em}.boardm .kopt{min-height:96px;font-size:1.15em}
/* hangman */
.hang{display:flex;flex-wrap:wrap;gap:16px;align-items:center}.hang svg{background:#fff;border-radius:16px}
.hword{display:flex;flex-wrap:wrap;gap:6px;direction:rtl}.hl{display:inline-flex;width:38px;height:46px;border-bottom:4px solid #2457d6;font-size:1.7em;font-weight:800;justify-content:center;align-items:flex-end}.hword .sp{width:22px}
.hintb{background:#fff6e0;border-radius:10px;padding:6px 10px}
.kbd{display:grid;grid-template-columns:repeat(auto-fill,minmax(44px,1fr));gap:6px;margin:12px 0;max-width:560px}.kbd button{font:inherit;font-size:1.25em;font-weight:800;min-height:46px;border-radius:10px;border:2px solid #9fb3ee;background:#fff;cursor:pointer}.kbd button:disabled{opacity:.3}
/* memory */
.lmem{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.lmem button{min-height:92px;border-radius:14px;border:0;background:linear-gradient(135deg,#2457d6,#6a4fd6);color:#fff;font:inherit;font-weight:700;font-size:1.05em;cursor:pointer;padding:6px}
.lmem button.open{background:#fff;color:#1d2340;border:3px solid #2457d6}.lmem button.done{background:#e6f7e0;color:#1d4d0f;border:3px solid #26890c}
@media(max-width:560px){.lmem button{min-height:80px;font-size:.85em}}
body.hc .fullbar,body.hc .ltabs a,body.hc .dbox,body.hc .vocab div{background:#fff;color:#000;border-color:#000}