/* theory.benbasha.com practice pages (questions, signs, hubs, exam, FAQ).
   Same "Learner Plate" tokens as site.css. Generated by scripts/build-seo-site.mjs. */
:root{--paper:#faf6ed;--card:#fff;--ink:#1a1c1e;--asphalt:#15171a;--muted:#6b675c;--line:#ddd6c6;--plate:#ffc400;--plate-wash:#fff3cc;--go:#0a7b3e;--go-wash:#e3f4ea;--stop:#c1272d;--stop-wash:#fbe6e6;--display:'Suez One',serif;--body:'Rubik',sans-serif}
html[lang=ru]{--display:'Rubik',sans-serif}html[lang=ru] h1,html[lang=ru] h2,html[lang=ru] h3,html[lang=ru] .brand,html[lang=ru] .catcard b,html[lang=ru] .rules b,html[lang=ru] .score,html[lang=ru] .verdict{font-weight:700}
html[lang=ar]{--display:'Noto Kufi Arabic','Noto Sans Arabic',sans-serif;--body:'Noto Sans Arabic','Rubik',sans-serif}html[lang=ar] h1,html[lang=ar] h2,html[lang=ar] h3,html[lang=ar] .brand,html[lang=ar] .catcard b,html[lang=ar] .rules b,html[lang=ar] .verdict{font-weight:600}
*{box-sizing:border-box}[hidden]{display:none!important}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.65 var(--body);-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--display);font-weight:400;line-height:1.25;margin:0}
a{color:inherit}img{display:block;max-width:100%;height:auto}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}.narrow{max-width:760px}
.top{background:var(--asphalt);color:#fff;border-bottom:4px solid var(--plate)}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:4px 12px;min-height:60px;flex-wrap:wrap}
.brand{display:flex;gap:10px;align-items:center;font-family:var(--display);font-size:20px;text-decoration:none;white-space:nowrap}.brand img{border-radius:8px}
.top nav{display:flex;flex-wrap:wrap;gap:18px;font-size:15px}.top nav a{text-decoration:none;opacity:.85;white-space:nowrap}.top nav a:hover,.top nav a[aria-current]{opacity:1;color:var(--plate)}
.crumbs{font-size:14px;color:var(--muted);margin:18px 0 12px}
.langs{display:flex;flex-wrap:wrap;gap:4px 14px;justify-content:flex-end;padding-top:10px;padding-bottom:0;font-size:14px;color:var(--muted)}.langs a{color:var(--ink)}.langs [aria-current]{font-weight:500}.crumbs a{text-decoration:none}.crumbs span{margin:0 4px}
.qcard{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px;box-shadow:0 2px 0 var(--line)}
.qmeta{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);margin-bottom:10px}
.cat{background:var(--plate-wash);color:#6a5200;padding:2px 10px;border-radius:99px;font-weight:500;text-decoration:none}
.qcard h1,.qcard .qh{font-size:28px;margin-bottom:18px}
.qimg{margin:0 auto 20px;display:flex;justify-content:center;background:#f4f1e8;border-radius:12px;padding:18px}.qimg img{max-height:220px;width:auto}
.opts{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.opt{width:100%;display:flex;align-items:center;gap:12px;text-align:start;font:inherit;color:inherit;background:#fff;border:2px solid var(--line);border-radius:12px;padding:12px 14px;cursor:pointer;transition:border-color .15s,background .15s}
.opt:hover:not(:disabled){border-color:var(--ink)}
.letter{flex:none;width:30px;height:30px;border-radius:50%;background:var(--paper);display:grid;place-items:center;font-weight:700;font-size:15px}
.txt{flex:1}.mark{display:none}
.opt.right{border-color:var(--go);background:var(--go-wash)}.opt.right .ok{display:block;color:var(--go)}.opt.right .letter{background:var(--go);color:#fff}
.opt.wrong{border-color:var(--stop);background:var(--stop-wash)}.opt.wrong .bad{display:block;color:var(--stop)}.opt.wrong .letter{background:var(--stop);color:#fff}
.opt.sel{border-color:var(--ink);background:var(--plate-wash)}.opt.sel .letter{background:var(--ink);color:#fff}
.opt:disabled{cursor:default}
.hint{text-align:center;color:var(--muted);font-size:14px;margin:14px 0 0}
.explain{margin-top:18px;background:var(--plate-wash);border-radius:12px;padding:16px 18px;border-inline-start:5px solid var(--plate)}
.explain h2{font-size:19px;display:flex;gap:8px;align-items:center;margin-bottom:6px}.explain h2 svg{flex:none}.explain p{margin:0}
.lic{margin-top:20px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:14px;color:var(--muted)}
.chip{border:1px solid var(--line);border-radius:99px;padding:2px 10px;text-decoration:none;color:var(--ink);background:#fff}.chip.big{padding:8px 16px;font-size:16px}
.pn{display:flex;gap:12px;margin:16px 0 0;font-size:15px}
.pn a{flex:1;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 14px;text-decoration:none;line-height:1.4}.pn a:hover{border-color:var(--ink)}
.pn .next{text-align:end}.pn small{display:block;color:var(--muted);font-size:13px}
.cta{margin:26px 0;background:var(--asphalt);color:#fff;border-radius:16px;padding:26px;display:flex;gap:22px;align-items:center;overflow:hidden}
.cta h2{font-size:24px;color:var(--plate)}.cta p{color:#cfc9bd;margin:8px 0 14px}
.cta-shot{width:150px;border-radius:14px;flex:none;transform:rotate(-4deg);box-shadow:0 10px 30px rgba(0,0,0,.4)}
.cta.slim{justify-content:center;text-align:center}.cta.slim .badges{justify-content:center;margin-top:12px}
.badges{display:flex;gap:10px;flex-wrap:wrap}.badges img{height:48px;width:auto}
.related h2,.sec{font-size:22px;margin:30px 0 14px}
.rel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
.rel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;text-decoration:none;font-size:14px;line-height:1.45;display:flex;flex-direction:column;gap:8px;align-items:center;text-align:center}
.rel img{height:70px;width:auto}.rel:hover{border-color:var(--ink)}
.hub-head{margin:6px 0 20px}.hub-head h1{font-size:32px}.hub-head p{color:var(--muted);max-width:720px}
.filter{width:100%;max-width:420px;font:inherit;padding:12px 16px;border:2px solid var(--line);border-radius:12px;background:#fff}.filter:focus{outline:none;border-color:var(--plate)}
.sign-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.sign{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;text-decoration:none;display:flex;flex-direction:column;gap:8px;font-size:14px;line-height:1.4;text-align:center}
.sign:hover{border-color:var(--ink);box-shadow:0 3px 0 var(--plate)}
.sign-img{height:90px;display:grid;place-items:center}.sign-img img{max-height:90px;width:auto}
.empty{color:var(--muted);text-align:center;padding:20px 0}
.btn{display:inline-block;padding:13px 22px;border-radius:12px;border:2px solid var(--ink);text-decoration:none;font:inherit;font-weight:500;background:#fff;color:var(--ink);cursor:pointer}.btn.primary{background:var(--plate);border-color:var(--plate)}
.btn:disabled{opacity:.4;cursor:default}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}
.cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.catcard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;text-decoration:none;display:flex;flex-direction:column;border-top:5px solid var(--plate)}.catcard b{font-family:var(--display);font-weight:400;font-size:21px}.catcard span{color:var(--muted)}.catcard:hover{border-color:var(--ink)}
.lics{display:flex;flex-wrap:wrap;gap:10px}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 6px}
.qlist{columns:2 340px;column-gap:32px;padding:0;margin:0;list-style:none}
.qlist li{break-inside:avoid;padding:7px 0;border-bottom:1px dashed var(--line);font-size:15.5px;line-height:1.45}
.qlist a{text-decoration:none}.qlist a:hover{text-decoration:underline}
.qlist .n{color:var(--muted);font-size:13px;margin-inline-end:6px;font-variant-numeric:tabular-nums}
.prose{max-width:720px}.prose p{margin:0 0 12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}.faq summary{cursor:pointer;font-weight:500}.faq p{margin:8px 0 0;color:#45423a}
.faq h2{font-size:22px;margin:26px 0 12px}
.rules{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px;margin:14px 0 18px;padding:0;list-style:none}
.rules li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;line-height:1.35}.rules b{display:block;font-family:var(--display);font-weight:400;font-size:26px}
.exam-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:15px;color:var(--muted);margin-bottom:10px}
.timer{font-variant-numeric:tabular-nums;font-weight:700;background:var(--asphalt);color:var(--plate);border-radius:8px;padding:2px 10px;direction:ltr}
.progress{height:6px;background:var(--line);border-radius:99px;overflow:hidden;margin-bottom:18px}.progress i{display:block;height:100%;background:var(--plate);width:0;transition:width .2s}
.exam-nav{display:flex;justify-content:space-between;gap:10px;margin-top:18px}
.result{text-align:center}.score{font-family:var(--display);font-size:56px;line-height:1.1;margin:6px 0}
.verdict{font-size:22px;font-family:var(--display)}.verdict.pass{color:var(--go)}.verdict.fail{color:var(--stop)}
.wrong-list{list-style:none;padding:0;margin:18px 0 0;text-align:start;display:grid;gap:10px}
.wrong-list li{background:var(--stop-wash);border-radius:12px;padding:12px 14px;font-size:15px;line-height:1.45}
.wrong-list .q{font-weight:500;display:block;margin-bottom:4px}.wrong-list .ok{color:var(--go)}.wrong-list a{font-weight:500}
.nf{text-align:center;padding:40px 0 10px}.nf h1{font-size:34px}.nf p{color:var(--muted)}
.nf .cats{text-align:start;margin-top:24px}
.foot{margin-top:40px;padding:24px 0;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.foot nav{display:flex;flex-wrap:wrap;gap:6px 16px;margin-bottom:10px;font-size:14px}.foot nav a{color:var(--ink)}
.foot p{margin:6px 0}
@media(max-width:440px){.brand span{display:none}}
@media(max-width:600px){.qcard{padding:18px}.qcard h1,.qcard .qh{font-size:23px}.hub-head h1{font-size:26px}.cta{flex-direction:column;text-align:center}.cta .badges{justify-content:center}.cta-shot{display:none}.top nav{gap:12px;font-size:14px}.top nav .wide{display:none}.brand{font-size:18px}.top nav{gap:10px}.sign-grid{grid-template-columns:repeat(2,1fr)}.pn{flex-direction:column}.pn .next{text-align:start}.score{font-size:46px}}