[hidden]{display:none!important}

:root{--ink:#1d3557;--sea:#cfe9fb;--sand:#fffdf6;--acc:#e76f51;--ok:#2a9d8f;--bad:#d62828;--gold:#f4a261;--card:#fff;--mut:#5c6b7a;--vio:#7b2cbf}
*{box-sizing:border-box}
html{font-size:17px}
body{margin:0;font-family:Rubik,Heebo,"Noto Sans Hebrew",Arial,sans-serif;color:var(--ink);background:linear-gradient(180deg,#eaf6ff 0,#fffdf6 340px);min-height:100vh;display:flex;flex-direction:column}
main{flex:1;width:100%;max-width:880px;margin:0 auto;padding:14px 14px 40px;outline:none}
a{color:#1b5fa8}
.top{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 14px;background:var(--ink);color:#fff}
.brand{display:flex;gap:10px;align-items:center;color:#fff;text-decoration:none}
.brand b{display:block;font-size:1.02rem}.brand small{opacity:.8;font-size:.78rem}
.compass{font-size:1.9rem;display:inline-block;animation:spin 9s ease-in-out infinite}
@keyframes spin{0%,100%{transform:rotate(-12deg)}50%{transform:rotate(14deg)}}
.topnav{display:flex;gap:6px;flex-wrap:wrap}.topnav a{color:#fff;text-decoration:none;background:rgba(255,255,255,.14);padding:8px 10px;border-radius:12px;font-size:.88rem}
.foot{display:flex;gap:12px;align-items:center;justify-content:center;padding:18px 14px 26px;color:var(--mut);font-size:.9rem;border-top:1px solid #e3e8ef;background:#fff}
.foot img{border-radius:50%}
h1{font-size:1.65rem;margin:.3em 0}h2{font-size:1.3rem;margin:.6em 0 .4em}h3{font-size:1.1rem;margin:.6em 0 .3em}
.card{background:var(--card);border-radius:20px;padding:18px;box-shadow:0 4px 18px rgba(29,53,87,.10);margin:14px 0}
.hero{background:linear-gradient(135deg,#1d3557,#2a6f97);color:#fff;border-radius:24px;padding:22px 18px;position:relative;overflow:hidden}
.hero p{line-height:1.6;font-size:1.02rem}.hero .seal{position:absolute;left:-18px;bottom:-18px;font-size:7rem;opacity:.12}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:54px;padding:12px 20px;border-radius:16px;border:0;background:var(--acc);color:#fff;font:inherit;font-weight:700;font-size:1.05rem;cursor:pointer;text-decoration:none;box-shadow:0 3px 0 rgba(0,0,0,.18);transition:transform .08s}
.btn:active{transform:translateY(2px);box-shadow:none}
.btn.sec{background:#fff;color:var(--ink);border:2px solid #c9d6e3;box-shadow:none}
.btn.ok{background:var(--ok)}.btn.vio{background:var(--vio)}.btn.ink{background:var(--ink)}
.btn.small{min-height:42px;padding:8px 14px;font-size:.95rem}
.btn[disabled]{opacity:.45;cursor:default}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.row.end{justify-content:flex-end}
.wide{width:100%}
label.f{display:block;font-weight:700;margin:12px 0 6px}
input.t,select.t,textarea.t{width:100%;font:inherit;font-size:1.05rem;padding:13px 14px;border-radius:14px;border:2px solid #c9d6e3;background:#fff;color:var(--ink)}
textarea.t{min-height:120px;direction:ltr;text-align:left;font-family:ui-monospace,Consolas,monospace;font-size:.9rem}
.lvls{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.lvl{border:3px solid #d5e0ea;border-radius:18px;padding:14px 10px;background:#fff;font:inherit;color:var(--ink);cursor:pointer;text-align:center;min-height:96px}
.lvl b{display:block;font-size:1.1rem}.lvl small{color:var(--mut)}.lvl .e{font-size:1.7rem;display:block}
.lvl[aria-pressed=true]{border-color:var(--acc);background:#fff4ef;box-shadow:0 0 0 3px #ffd8c9}
.chips{display:flex;gap:6px;overflow-x:auto;padding:4px 2px 8px;scrollbar-width:none}
.chip{flex:0 0 auto;min-width:44px;height:44px;border-radius:14px;background:#e8eef5;display:flex;align-items:center;justify-content:center;font-size:1.25rem;position:relative}
.chip.done{background:#d7f2ee}.chip.cur{background:#ffe3d6;box-shadow:0 0 0 3px var(--acc)}
.chip i{position:absolute;bottom:-6px;left:-4px;font-style:normal;font-size:.72rem;background:var(--ink);color:#fff;border-radius:8px;padding:0 5px}
.bar{display:flex;gap:8px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:#fff;border-radius:16px;padding:8px 10px;box-shadow:0 2px 10px rgba(29,53,87,.08);position:sticky;top:0;z-index:10}
.pill{background:#eef3f8;border-radius:999px;padding:6px 12px;font-weight:700;font-size:.95rem;white-space:nowrap}
.pill.t{font-variant-numeric:tabular-nums}
.tool{min-height:44px;min-width:44px;border-radius:12px;border:2px solid #d5e0ea;background:#fff;font:inherit;font-size:1rem;cursor:pointer;color:var(--ink);padding:4px 10px}
.tool[aria-pressed=true]{background:#e9ddff;border-color:var(--vio)}
.learn{background:#fff8e6;border-right:6px solid var(--gold);border-radius:14px;padding:12px 14px;line-height:1.65}
.story{font-size:1.05rem;line-height:1.7}
.qtext{font-size:1.2rem;line-height:1.6;font-weight:600;margin:6px 0 12px}
.nik .qtext,.nik .opt,.nik .fb,.nik .learn{font-size:1.32rem;line-height:1.9}
.opts{display:grid;gap:10px}
.opt{min-height:58px;width:100%;text-align:right;border:3px solid #d5e0ea;background:#fff;border-radius:16px;padding:12px 14px;font:inherit;font-size:1.08rem;color:var(--ink);cursor:pointer;display:flex;align-items:center;gap:10px}
.opt:hover{border-color:#9db4cc}
.opt.right{border-color:var(--ok);background:#e3f6f2}.opt.wrong{border-color:var(--bad);background:#fde8e8;opacity:.75}
.opt .k{flex:0 0 32px;height:32px;border-radius:50%;background:#eef3f8;display:flex;align-items:center;justify-content:center;font-weight:800}
.opt.pic{display:block;text-align:center}.prof{width:100%;max-width:340px;height:auto;display:block;margin:0 auto}
.fb{border-radius:16px;padding:12px 14px;margin-top:12px;line-height:1.6;font-size:1.04rem}
.fb.ok{background:#e3f6f2;border:2px solid var(--ok)}.fb.no{background:#fde8e8;border:2px solid var(--bad)}.fb.hint{background:#fff8e6;border:2px dashed var(--gold)}
.ic{width:1.6em;height:1.6em;vertical-align:-.45em;display:inline-block}
.numrow{display:flex;gap:10px;align-items:center}.numrow input{max-width:180px;text-align:center;font-size:1.3rem}
.mapwrap{position:relative;width:100%;max-width:640px;margin:8px auto;border-radius:12px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.12)}
.mapwrap img{display:block;width:100%;height:auto}
.cells{position:absolute;left:7.4468%;top:4.8387%;width:85.1064%;height:64.5161%;display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);direction:ltr}
.cells button{border:0;background:transparent;cursor:pointer;padding:0;margin:0}
.cells button:hover,.cells button:focus-visible{background:rgba(231,111,81,.25);outline:2px solid var(--acc)}
.cells button.sel{background:rgba(123,44,191,.35);outline:3px solid var(--vio)}
.cells button.good{background:rgba(42,157,143,.45);outline:3px solid var(--ok)}
.thumb{display:block;width:100%;max-width:280px;border-radius:12px;margin:8px auto;cursor:zoom-in;box-shadow:0 2px 10px rgba(0,0,0,.15)}
.ov{position:fixed;inset:0;background:rgba(12,24,40,.92);z-index:50;display:flex;flex-direction:column}
.ov[hidden]{display:none}
.ovbar{display:flex;gap:6px;padding:10px;align-items:center;flex-wrap:wrap;background:#0f2238}
.ovbar .tool{background:#fff}
.ovbody{flex:1;overflow:auto;touch-action:pan-x pan-y pinch-zoom;padding:8px}
.ovbody img{display:block;margin:0 auto;background:#fff;border-radius:8px;transition:width .2s}
.toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 18px;border-radius:14px;font-weight:700;opacity:0;pointer-events:none;transition:opacity .25s;z-index:60;max-width:92vw;text-align:center}
.toast.on{opacity:1}
.letter{font-size:3.4rem;font-weight:900;background:#1d3557;color:#ffd166;width:92px;height:92px;border-radius:22px;display:flex;align-items:center;justify-content:center;margin:10px auto;box-shadow:0 6px 0 #0d1e33}
.tiles{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;direction:rtl;margin:10px 0}
.tile{width:62px;height:70px;border-radius:14px;border:0;background:#ffd166;color:#1d3557;font:inherit;font-size:2rem;font-weight:900;cursor:pointer;box-shadow:0 4px 0 #c99a2e;position:relative}
.tile small{position:absolute;top:2px;right:6px;font-size:.7rem}
.tile.used{opacity:.25}
.slots{display:flex;gap:6px;justify-content:center;direction:rtl;min-height:70px}
.slot{width:54px;height:64px;border-radius:12px;border:3px dashed #9db4cc;display:flex;align-items:center;justify-content:center;font-size:1.9rem;font-weight:900;background:#fff}
.cert{background:#fffdf3;border:6px double #c99a2e;border-radius:22px;padding:20px;text-align:center;position:relative}
.badge{width:150px;height:150px;margin:6px auto;display:block}
.skills{display:grid;gap:8px;margin:12px 0}
.sk{display:grid;grid-template-columns:150px 1fr 48px;gap:8px;align-items:center;font-size:.95rem;text-align:right}
.sk .track{height:14px;border-radius:7px;background:#e8eef5;overflow:hidden}.sk .track span{display:block;height:100%;border-radius:7px}
.code{direction:ltr;font-family:ui-monospace,Consolas,monospace;background:#0f2238;color:#9ff0d0;padding:12px;border-radius:12px;word-break:break-all;font-size:.92rem;user-select:all}
table.res{width:100%;border-collapse:collapse;font-size:.88rem;background:#fff}
table.res th,table.res td{border:1px solid #dbe3ec;padding:6px 5px;text-align:center}
table.res th{background:#eef3f8;position:sticky;top:0}
.tw{overflow:auto;max-height:70vh;border-radius:12px;border:1px solid #dbe3ec}
.c0{background:#fde2e2}.c1{background:#fff1d6}.c2{background:#e2f5ec}.c3{background:#c9eedf}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0}
.tabs button{min-height:46px;border-radius:14px;border:2px solid #c9d6e3;background:#fff;font:inherit;font-weight:700;padding:6px 12px;cursor:pointer;color:var(--ink)}
.tabs button[aria-selected=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.note{color:var(--mut);font-size:.92rem;line-height:1.55}
.grid2{display:grid;gap:10px;grid-template-columns:1fr}
.filebtn{display:flex;gap:12px;align-items:center;justify-content:space-between;background:#fff;border:2px solid #d5e0ea;border-radius:16px;padding:12px 14px;text-decoration:none;color:var(--ink);min-height:64px;font-weight:700}
.filebtn span.t{font-size:.85rem;color:var(--mut);font-weight:400}
.board{background:#0f2238;color:#fff;border-radius:22px;padding:18px;min-height:70vh}
.board h1{font-size:2.2rem;text-align:center}
.big{font-size:3rem;font-weight:900}
.bstats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin:14px 0}
.bstats div{background:#1b3556;border-radius:18px;padding:14px;text-align:center}
.bbar{display:grid;grid-template-columns:170px 1fr 60px;gap:10px;align-items:center;margin:8px 0;font-size:1.15rem}
.bbar .track{height:26px;background:#24476f;border-radius:13px;overflow:hidden}.bbar .track span{display:block;height:100%;background:linear-gradient(90deg,#ffd166,#f4a261)}
.lead{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px}
.lead div{background:#1b3556;border-radius:14px;padding:10px 12px;font-size:1.15rem}
.joincode{font-size:3.2rem;font-weight:900;letter-spacing:.12em;direction:ltr;text-align:center;color:#ffd166}
.kbd{direction:ltr;display:inline-block;background:#eef3f8;border-radius:8px;padding:2px 8px;font-family:ui-monospace,Consolas,monospace}
table.plan{width:100%;border-collapse:collapse;font-size:.95rem}table.plan td,table.plan th{border:1px solid #dbe3ec;padding:8px;vertical-align:top;text-align:right}table.plan th{background:#eef3f8}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
@media (min-width:700px){html{font-size:18px}.lvls{grid-template-columns:repeat(4,1fr)}.grid2{grid-template-columns:1fr 1fr}.opts.two{grid-template-columns:1fr 1fr}}
@media print{@page{margin:15mm}.top,.foot img,.bar,.topnav,.btn,.tool,.ov{display:none!important}body{background:#fff}.card{box-shadow:none;border:1px solid #ccc;break-inside:avoid}main{max-width:none;padding:0}}