/* Wspólne style bloga. Zmiana wyglądu = edycja tego jednego pliku,
   a nie każdego artykułu z osobna. Tokeny te same co na stronie głównej. */
:root{
  --ink:#101114; --ink-2:#565b66; --ink-3:#8a8f99;
  --line:rgba(16,17,20,.12); --line-soft:rgba(16,17,20,.07);
  --paper:#fbfbfa; --glass:rgba(255,255,255,.72);
  --r:12px; --r-sm:8px; --r-lg:16px;
  --spot:#3b5bfd; --spot-tint:rgba(59,91,253,.06); --spot-line:rgba(59,91,253,.34);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);background:var(--paper);
  font-family:"Instrument Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  font-size:17.5px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-0.03em;line-height:1.1}
h1{font-size:clamp(31px,4.4vw,44px);line-height:1.08}
h2{font-size:26px;letter-spacing:-0.025em}
h3{font-size:19px;letter-spacing:-0.02em}
p{margin:0}
a{color:inherit}
.w{max-width:1080px;margin:0 auto;padding:0 24px}
.narrow{max-width:720px}
.sub{color:var(--ink-2)}
.mono{font-family:"JetBrains Mono",ui-monospace,Menlo,monospace}

/* nawigacja — identyczna jak na stronie głównej */
.nav{position:sticky;top:12px;z-index:30;margin-top:12px}
.nav-in{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 10px 10px 18px;border-radius:var(--r);
  background:var(--glass);backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  border:1px solid var(--line-soft);
}
.brand{display:flex;align-items:center;gap:9px;font-weight:600;letter-spacing:-0.02em;text-decoration:none;font-size:17px}
.orb{width:18px;height:18px;border-radius:50%;background:linear-gradient(140deg,#2b2d33,#0a0a0b 60%,#3d4048);flex:none}
.nav-r{display:flex;align-items:center;gap:14px}
.nav-l{font-size:16px;text-decoration:none;color:var(--ink-2)}
.nav-l:hover{color:var(--ink)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font:inherit;font-weight:500;font-size:16px;padding:10px 20px;border-radius:var(--r-sm);
  text-decoration:none;cursor:pointer;border:1px solid var(--ink);
  background:var(--ink);color:#fff;transition:background .16s ease,border-color .16s ease;
}
.btn:hover{background:#000;border-color:#000}
.btn-quiet{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-quiet:hover{background:rgba(16,17,20,.05)}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:4px}
@media(max-width:430px){
  .nav-in{padding:8px 8px 8px 14px}
  .brand{font-size:15.5px;gap:8px}
  .orb{width:16px;height:16px}
  .nav-in .btn{font-size:15px;padding:9px 14px;white-space:nowrap}
  .nav-l{display:none}
}

/* okruszki */
.bc{font-size:14.5px;color:var(--ink-3);padding:34px 0 0}
.bc a{text-decoration:none;color:var(--ink-3)}
.bc a:hover{color:var(--ink)}
.bc span{margin:0 7px}

/* nagłówek artykułu */
.post-head{padding:26px 0 6px}
.post-meta{
  font-family:"JetBrains Mono",ui-monospace,Menlo,monospace;
  font-size:13.5px;color:var(--ink-3);margin-bottom:16px;
  display:flex;gap:14px;flex-wrap:wrap;
}
.post-lede{font-size:20px;line-height:1.5;color:var(--ink-2);margin-top:20px}

/* treść artykułu */
.post{padding:34px 0 20px;font-size:17.5px}
.post h2{margin:42px 0 14px}
.post h3{margin:30px 0 10px}
.post p{margin-bottom:16px;color:var(--ink-2)}
.post p strong,.post li strong{color:var(--ink);font-weight:600}
.post ul,.post ol{margin:0 0 18px;padding-left:22px;color:var(--ink-2)}
.post li{margin-bottom:8px}
.post a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--line)}
.post a:hover{text-decoration-color:var(--ink-3)}
.post figure{margin:26px 0}
.post .box{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r);
  padding:22px 24px;margin:26px 0;
}
.post .box p:last-child{margin-bottom:0}
.post .box h3{margin:0 0 10px}
.tw{overflow-x:auto;margin:24px 0}
.post table{width:100%;border-collapse:collapse;font-size:16px;background:#fff;
  border:1px solid var(--line-soft);border-radius:var(--r)}
.post th,.post td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line-soft);vertical-align:top}
.post th{font-weight:600;font-size:14.5px;color:var(--ink-3)}
.post td{color:var(--ink-2)}
.post tr:last-child td{border-bottom:0}

/* CTA pod artykułem */
.cta{
  background:var(--ink);color:#fff;border-radius:var(--r-lg);
  padding:30px 32px;margin:44px 0 10px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta h3{color:#fff;margin-bottom:6px}
.cta p{color:#c2c6cf;font-size:16px;max-width:52ch;margin:0}
.cta .btn{background:#fff;color:var(--ink);border-color:#fff}
.cta .btn:hover{background:#f0f0ee;border-color:#f0f0ee}
@media(max-width:640px){.cta{padding:24px 22px}}

/* lista wpisów */
.list{padding:20px 0 10px;display:grid;gap:12px}
.item{
  display:block;text-decoration:none;background:#fff;
  border:1px solid var(--line-soft);border-radius:var(--r);padding:24px 26px;
  transition:border-color .16s ease, transform .16s ease;
}
.item:hover{border-color:var(--line);transform:translateY(-1px)}
@media(prefers-reduced-motion:reduce){.item{transition:none}.item:hover{transform:none}}
.item-meta{
  font-family:"JetBrains Mono",ui-monospace,Menlo,monospace;
  font-size:13px;color:var(--ink-3);margin-bottom:9px;
}
.item h2{font-size:22px;margin-bottom:7px}
.item p{color:var(--ink-2);font-size:16.5px;max-width:70ch}

.empty{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r);
  padding:30px;color:var(--ink-2);font-size:16.5px;
}

footer{padding:34px 0 50px;font-size:15.5px;color:var(--ink-2);border-top:1px solid var(--line-soft);margin-top:40px}
.foot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot a{color:var(--ink-2);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--line)}
.foot a:hover{color:var(--ink);text-decoration-color:var(--ink-3)}

/* FAQ w artykule */
.faq{margin:48px 0 0;padding-top:30px;border-top:1px solid var(--line-soft)}
.faq h2{margin:0 0 16px}
.faq details{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r);padding:17px 21px;margin-bottom:8px}
.faq summary{cursor:pointer;list-style:none;font-weight:600;font-size:17px;letter-spacing:-0.015em;display:flex;justify-content:space-between;gap:20px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-weight:400;font-size:22px;color:var(--ink-2);transition:transform .2s ease}
.faq details[open] summary::after{transform:rotate(45deg)}
@media(prefers-reduced-motion:reduce){.faq summary::after{transition:none}}
.faq details p{margin:11px 0 0;color:var(--ink-2);font-size:16.5px;max-width:68ch}