/* Страницы генератора моделей RobX 2D (/vector/gen/) — вид урок3Д:
   токены кита RobX, карточки, кнопки-«пилюли», Montserrat. */
:root{--accent:#2563eb;--accent-d:#1d4ed8;--accent-l:#eaf1fe;--ink:#172033;--ink-2:#2f3a4b;--muted:#5b6778;--faint:#9aa5b5;--line:#e2e8f1;--app:#eef4fd;}
*{box-sizing:border-box;}
html,body{margin:0;}
body{font-family:"Montserrat",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--app);-webkit-font-smoothing:antialiased;}
a{color:var(--accent);}
.gtop{position:sticky;top:8px;z-index:20;display:flex;align-items:center;gap:18px;max-width:1180px;margin:8px auto 0;padding:0 12px 0 16px;height:60px;border-radius:28px;border:1px solid rgba(15,23,42,.07);background:rgba(255,255,255,.95);box-shadow:0 20px 44px -24px rgba(40,60,130,.28),0 3px 10px -6px rgba(40,60,130,.14);}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:17px;letter-spacing:-.02em;white-space:nowrap;}
.logo b{color:var(--accent);}
.gtop nav{display:flex;gap:2px;flex:1;min-width:0;overflow:hidden;}
.gtop nav a{flex:none;padding:8px 11px;border-radius:999px;text-decoration:none;color:var(--ink-2);font-size:13.5px;font-weight:600;}
.gtop nav a:hover,.gtop nav a[aria-current]{background:var(--accent-l);color:var(--accent);}
.rxAppsHost{display:flex;flex:none;width:40px;height:40px;}
.gmain{max-width:1180px;margin:0 auto;padding:22px 16px 40px;}
.crumbs{font-size:12.5px;color:var(--muted);margin-bottom:10px;}
.crumbs a{text-decoration:none;}
h1{font-size:32px;line-height:1.15;font-weight:800;letter-spacing:-.02em;margin:0 0 10px;}
h2{font-size:20px;font-weight:800;margin:30px 0 12px;}
.lead{font-size:15.5px;line-height:1.55;color:var(--ink-2);max-width:760px;margin:0 0 20px;}
.gen{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:14px;background:#fff;border:1px solid rgba(15,23,42,.07);border-radius:28px;padding:14px;box-shadow:0 20px 44px -28px rgba(40,60,130,.24);}
.prev{min-height:420px;border-radius:20px;background:radial-gradient(135% 120% at 50% 0%,#fff 0%,#E2EEF6 100%);display:flex;align-items:center;justify-content:center;overflow:hidden;padding:12px;}
.prev svg{max-width:100%;max-height:520px;width:100%;height:auto;}
.prev .err{color:#B4453A;}
.side{display:flex;flex-direction:column;gap:12px;padding:4px;}
.params{display:grid;grid-template-columns:1fr;gap:7px;}
.fld{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:12px;padding:0 10px;background:#fff;}
.fld:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.12);}
.fld span{flex:1;font-size:12.5px;font-weight:600;color:var(--muted);}
.fld input{width:76px;border:0;outline:none;padding:9px 0;text-align:right;font:600 13px/1 ui-monospace,Menlo,Consolas,monospace;color:var(--ink);background:none;}
.fld em{font-style:normal;font-size:11.5px;color:var(--faint);min-width:22px;}
.acts{display:flex;flex-direction:column;gap:8px;}
.btn{display:flex;align-items:center;justify-content:center;padding:11px 16px;border-radius:999px;border:1px solid rgba(15,23,42,.1);background:#fff;color:var(--ink-2);font:600 14px/1 inherit;font-family:inherit;text-decoration:none;cursor:pointer;}
.btn:hover{background:var(--accent-l);border-color:rgba(37,99,235,.28);}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 8px 20px -8px rgba(37,99,235,.5);}
.btn.primary:hover{background:var(--accent-d);}
.note{font-size:12px;color:var(--muted);line-height:1.5;margin:0;}
.howto ol{margin:0;padding-left:20px;line-height:1.65;color:var(--ink-2);max-width:780px;}
.ptable{border-collapse:collapse;width:100%;max-width:640px;background:#fff;border-radius:16px;overflow:hidden;border:1px solid var(--line);}
.ptable th,.ptable td{text-align:left;padding:9px 14px;border-bottom:1px solid var(--line);font-size:13.5px;}
.ptable th{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--faint);}
.ptable tr:last-child td{border-bottom:0;}
.mgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;}
.mcard{display:flex;flex-direction:column;gap:6px;padding:12px;border-radius:20px;background:#fff;border:1px solid rgba(15,23,42,.07);text-decoration:none;color:var(--ink);transition:box-shadow .15s,transform .15s;}
.mcard:hover{box-shadow:0 14px 30px -18px rgba(37,99,235,.55);transform:translateY(-1px);}
.mprev{height:130px;border-radius:14px;background:radial-gradient(135% 120% at 50% 0%,#fff 0%,#E2EEF6 100%);display:flex;align-items:center;justify-content:center;overflow:hidden;padding:8px;}
.mprev svg{max-width:100%;max-height:100%;width:100%;height:100%;}
.mcard b{font-size:14px;} .mcard small{font-size:12px;color:var(--muted);line-height:1.45;}
.gfoot{max-width:1180px;margin:0 auto 24px;padding:0 16px;font-size:12.5px;color:var(--muted);}
.gfoot p{margin:8px 0 0;line-height:1.5;}
.flinks{display:flex;flex-wrap:wrap;gap:4px 14px;}
.flinks a{text-decoration:none;font-weight:600;}
/* посадочные страницы (/vector/dxf/ и др.) */
.hacts{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 8px;}
.hacts .btn{flex:none;}
.fgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;}
.fcard{padding:16px 18px;border-radius:20px;background:#fff;border:1px solid rgba(15,23,42,.07);}
.fcard b{display:block;font-size:15px;margin-bottom:6px;}
.fcard p{margin:0;font-size:13.5px;line-height:1.55;color:var(--ink-2);}
.faq{max-width:820px;}
.faq details{background:#fff;border:1px solid rgba(15,23,42,.07);border-radius:16px;margin-bottom:8px;}
.faq summary{cursor:pointer;padding:13px 16px;font-weight:700;font-size:14.5px;}
.faq details p{margin:0;padding:0 16px 14px;font-size:14px;line-height:1.6;color:var(--ink-2);}
.rgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;}
.rcard{display:flex;flex-direction:column;gap:4px;padding:14px 16px;border-radius:18px;background:#fff;border:1px solid rgba(15,23,42,.07);text-decoration:none;color:var(--ink);}
.rcard:hover{box-shadow:0 14px 30px -18px rgba(37,99,235,.55);}
.rcard b{font-size:14px;color:var(--accent);} .rcard small{font-size:12.5px;color:var(--muted);line-height:1.45;}
@media (max-width: 1180px){ .gtop nav a:nth-child(n+5){display:none;} }
@media (max-width: 860px){
  .gen{grid-template-columns:1fr;border-radius:20px;}
  .prev{min-height:280px;}
  h1{font-size:25px;}
  .gtop{margin:4px 4px 0;border-radius:20px;}
  .gtop nav a:nth-child(n+3){display:none;}
}
@media (max-width: 520px){ .gtop nav{display:none;} .gtop{justify-content:space-between;} .hacts .btn{flex:1 1 auto;} }