:root{--navy:#0f3d2e;--ind:#0d7a5f;--teal:#b45309;--amber:#f5b301;--bg:#f6faf7;--card:#fff;--ink:#12261f;--mut:#5b6f66;--line:#dbe7e1}
@media(prefers-color-scheme:dark){:root{--bg:#0c1f19;--card:#12302a;--ink:#ecfdf5;--mut:#9ccbb9;--line:#25483d}}
*{box-sizing:border-box}body{margin:0;font-family:'Cairo',system-ui,sans-serif;background:var(--bg);color:var(--ink);padding-top:env(safe-area-inset-top)}
a{color:inherit;text-decoration:none}
.bar{background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:14px 24px;min-height:87px}
.brand{display:flex;gap:12px;align-items:center;font-weight:800;font-size:28px}.badge{background:var(--teal);border-radius:8px;padding:0 10px;font-size:20px}
.sub{font-size:16px;font-weight:500;opacity:.9}
.timer{background:rgba(255,255,255,.12);border-radius:12px;padding:6px 18px;text-align:center;direction:ltr}.timer small{display:block;font-size:13px;opacity:.8;direction:rtl}.timer b{font-size:26px}
/* home */
.wrap{max-width:900px;margin:0 auto;padding:32px 20px}
.hero h1{font-size:clamp(28px,5vw,44px);margin:6px 0}.hero p{color:var(--mut);margin:0 0 24px;font-size:18px}
.list{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));list-style:none;padding:0}
.list a{display:flex;gap:14px;align-items:center;background:var(--card);border:1.5px solid var(--line);border-radius:16px;padding:16px}
.list a:hover,.list a:focus-visible{border-color:var(--ind);outline:0}
.num{width:46px;height:46px;border-radius:50%;background:var(--ind);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px}
.list b{display:block}.list span{color:var(--mut);font-size:14px}
footer{text-align:center;color:var(--mut);font-size:14px;padding:30px}
/* exam */
.exam{max-width:1180px;margin:24px auto;padding:0 20px;display:grid;grid-template-columns:1fr 450px;gap:24px;align-items:start}
.panel{background:var(--card);border:1.5px solid var(--line);border-radius:20px;padding:22px}
.head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.cnt{color:var(--mut);font-size:19px}.cnt b{color:var(--ink);font-size:24px}
.flag{border:2px solid var(--amber);background:var(--card);color:#8a4b00;border-radius:999px;padding:8px 26px;font:700 17px Cairo;cursor:pointer}
.flag.on{background:var(--amber);color:#3b2600}
.qar{font-size:25px;font-weight:600;margin:6px 0 18px;line-height:1.7}.qen{direction:ltr;text-align:left;color:var(--mut);font-size:18px;margin-bottom:22px}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.opt{display:flex;align-items:center;gap:14px;border:2px solid var(--line);background:var(--card);color:var(--ink);border-radius:18px;padding:16px;font:500 20px Cairo;cursor:pointer;min-height:84px;text-align:right}
.opt i{font-style:normal;width:50px;height:50px;flex:none;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;font:800 20px Cairo;direction:ltr}
.opt.sel{border-color:var(--ind);background:color-mix(in srgb,var(--ind) 10%,var(--card))}.opt.sel i{background:var(--ind);color:#fff;border-color:var(--ind)}
.opt.ok{border-color:#16a34a;background:#16a34a22}.opt.no{border-color:#dc2626;background:#dc262622}
.nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}
.btn{border-radius:14px;border:1.5px solid var(--line);padding:20px;font:800 21px Cairo;cursor:pointer;background:var(--card);color:var(--ink)}
.btn.pri{background:var(--ind);color:#fff;border-color:var(--ind)}.btn:disabled{opacity:.45;cursor:default}
.side .t{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;flex-wrap:wrap;gap:8px}.side h2{margin:0;font-size:24px}
.lg{display:flex;gap:12px;font-size:15px;color:var(--mut)}.lg i{display:inline-block;width:16px;height:16px;border-radius:50%;vertical-align:-2px;margin-left:4px}
.grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.g{aspect-ratio:1;border-radius:50%;border:2px solid var(--line);background:var(--card);color:var(--ink);font:800 19px Cairo;cursor:pointer}
.g.a{background:var(--ind);border-color:var(--ind);color:#fff}.g.f{background:var(--amber);border-color:var(--amber);color:#3b2600}
.g.cur{box-shadow:0 0 0 3px var(--card),0 0 0 6px var(--teal)}
.sub-btn{width:100%;margin-top:26px;background:var(--teal);color:#fff;border:0;border-radius:14px;padding:22px;font:800 22px Cairo;cursor:pointer}
button:focus-visible{outline:3px solid var(--teal);outline-offset:2px}
.res{text-align:center}.res .score{font-size:64px;font-weight:800;color:var(--teal)}
.rv{text-align:right;margin-top:22px;display:grid;gap:12px}.rv div{border:1.5px solid var(--line);border-radius:14px;padding:14px}.rv .y{border-color:#16a34a}.rv .n{border-color:#dc2626}
.rv p{margin:4px 0;color:var(--mut)}
@media(max-width:900px){.exam{grid-template-columns:1fr}.side{order:2}.opts{grid-template-columns:1fr}.bar{padding:10px 14px}.brand{font-size:22px}.sub{display:none}}
.levels{display:grid;grid-template-columns:1fr 1fr;gap:18px}.lv{display:flex;flex-direction:column;gap:6px;background:var(--card);border:2px solid var(--line);border-radius:20px;padding:28px}.lv:nth-child(1){border-top:8px solid var(--ind)}.lv:nth-child(2){border-top:8px solid var(--teal)}.lv b{font-size:30px}.lv span{color:var(--mut);font-size:18px}.lv em{font-style:normal;font-weight:800;margin-top:10px}.lv:hover,.lv:focus-visible{border-color:var(--ind);outline:0}@media(max-width:700px){.levels{grid-template-columns:1fr}}
.logo-wrap{display:flex;flex-direction:column;align-items:center;text-align:center;margin:8px 0 34px}
.logo-wrap img{width:min(460px,100%);height:auto;background:#e7e7e7;border-radius:28px;padding:14px;box-shadow:0 18px 40px -18px rgba(15,61,46,.45)}
.logo-wrap h2{margin:22px 0 0;font-size:clamp(26px,4.6vw,38px);font-weight:800;color:var(--ink)}
.logo-wrap h2::after{content:"";display:block;width:84px;height:5px;border-radius:3px;background:#e2b53a;margin:12px auto 0}
.list .num{color:#fff;font-size:20px}
.mini{height:56px;width:auto;border-radius:12px;background:#e7e7e7;display:block}
.bt b{display:block;font-size:19px;line-height:1.3}.bt small{display:block;font-size:14px;font-weight:500;opacity:.85}
.form{max-width:560px;margin:0 auto;background:var(--card);border:1.5px solid var(--line);border-radius:22px;padding:26px;display:grid;gap:18px}
.form label{display:block;font-weight:800;margin-bottom:6px}
.form input,.form select{width:100%;font:500 18px Cairo,system-ui;padding:14px 16px;border-radius:14px;border:2px solid var(--line);background:var(--bg);color:var(--ink)}
.form input:focus,.form select:focus{outline:0;border-color:var(--ind)}
.form .bad{border-color:#dc2626}.err{color:#dc2626;font-size:14px;min-height:0;margin-top:4px}
.form .hint{color:var(--mut);font-size:15px;margin-top:6px}
.form button{background:var(--teal);color:#fff;border:0;border-radius:14px;padding:18px;font:800 21px Cairo,system-ui;cursor:pointer}
.hi{font-weight:800;color:var(--teal);font-size:20px}
.hero.center{text-align:center}

.bar.slim{min-height:0;padding:10px 18px}.proj{color:#fff;text-decoration:none;font-size:clamp(12px,3.3vw,15px);font-weight:600;line-height:1.5}
.join{max-width:560px;margin:28px auto 0;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px;text-align:center}
.join h2{font-size:18px;margin:0 0 6px}.join p{margin:0 0 14px;color:var(--mut);font-size:14px}
.jrow{display:flex;flex-direction:column;gap:10px}.jb{display:block;padding:12px 14px;border-radius:12px;color:#fff;font-weight:700;text-decoration:none;font-size:15px}
.jb.tg{background:#1b86bd}.jb.wa{background:#168a45}.qr{margin-top:16px}.qr img{width:150px;height:auto;background:#fff;border-radius:12px;padding:8px}.qr small{display:block;color:var(--mut);margin-top:6px;font-size:13px}

[hidden]{display:none!important}
.gate{margin:0 0 24px}.gate .lock{font-size:34px;text-align:center}
.bright{display:flex;gap:12px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.secb{background:rgba(255,255,255,.12);border-radius:12px;padding:6px 18px;text-align:center;max-width:320px}.secb small{display:block;font-size:13px;opacity:.8}.secb b{display:block;font-size:18px;line-height:1.35}
@media(max-width:900px){.bar{flex-wrap:wrap;gap:8px}.bright{width:100%;justify-content:space-between}.secb{flex:1}.secb b{font-size:15px}.timer b{font-size:22px}}