:root{
  --bg:#0b1220;--bg2:#0f1a2e;--card:rgba(255,255,255,.045);--card-b:rgba(255,255,255,.09);
  --fg:#e6edf7;--muted:#8da0bd;--accent:#38bdf8;--accent2:#818cf8;--ok:#34d399;--warn:#fbbf24;--bad:#f87171;
  --r:16px;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
@media (prefers-color-scheme:light){
  :root{--bg:#f4f7fb;--bg2:#e8eef8;--card:rgba(255,255,255,.85);--card-b:rgba(15,23,42,.1);--fg:#0f172a;--muted:#55657f;--accent:#0369a1;--accent2:#4f46e5}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:16px/1.55 var(--sans);color:var(--fg);background:radial-gradient(1200px 600px at 10% -10%,rgba(56,189,248,.14),transparent 60%),radial-gradient(900px 500px at 100% 0,rgba(129,140,248,.14),transparent 55%),var(--bg);min-height:100vh}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
code{font-family:var(--mono);font-size:.92em;background:rgba(127,127,127,.14);padding:.1em .4em;border-radius:6px}
h1,h2,h3{line-height:1.2;margin:0 0 .6rem}h2{font-size:1.15rem}h3{font-size:1rem;margin-top:1rem}
.wrap{width:min(1120px,100% - 2rem);margin-inline:auto}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:var(--accent);color:#04121f;padding:.5rem 1rem;border-radius:8px;z-index:99}
.muted{color:var(--muted)}.center{text-align:center}.break{word-break:break-all}
.topbar{position:sticky;top:0;z-index:20;backdrop-filter:blur(14px);background:color-mix(in srgb,var(--bg) 78%,transparent);border-bottom:1px solid var(--card-b)}
.topbar__in{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.7rem 0}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700;color:var(--fg)}
.brand__mark{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04121f;font:700 14px var(--mono)}
.nav{display:flex;align-items:center;gap:1.1rem;flex-wrap:wrap;font-size:.92rem}.nav a{color:var(--muted)}.nav a:hover{color:var(--fg);text-decoration:none}
.nav__lang a[aria-current]{color:var(--fg);font-weight:700}.nav__lang{display:flex;gap:.5rem;padding-left:.6rem;border-left:1px solid var(--card-b)}
main{padding:1.5rem 0 3rem}
.hero{text-align:center;padding:2.5rem 1rem 2rem}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:var(--muted);font-size:.78rem;margin:0}
.hero__ip{font:700 clamp(1.7rem,6vw,3.6rem)/1.15 var(--mono);margin:.5rem 0 1rem;word-break:break-all;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__meta,.hero__actions{display:flex;justify-content:center;gap:.5rem;flex-wrap:wrap;margin-bottom:1rem}
.hero__alt{margin-top:.5rem}
.card{background:var(--card);border:1px solid var(--card-b);border-radius:var(--r);padding:1.25rem 1.35rem;margin-bottom:1.1rem;box-shadow:0 10px 30px rgba(0,0,0,.18);backdrop-filter:blur(8px)}
.grid{display:grid;gap:1.1rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr))}.grid--2{grid-template-columns:repeat(auto-fit,minmax(min(100%,380px),1fr))}.grid .card{margin-bottom:0}
.kv{display:grid;grid-template-columns:minmax(120px,38%) 1fr;gap:.45rem .9rem;margin:0}.kv dt{color:var(--muted);font-size:.9rem}.kv dd{margin:0;word-break:break-word}.kv--tight{margin-top:1rem}
.bin{font-size:.75rem;word-break:break-all}.ua{display:block;margin-top:.5rem;word-break:break-all;white-space:pre-wrap}
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.55rem 1.1rem;border:0;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04121f;font:600 .92rem var(--sans);cursor:pointer;transition:transform .12s,opacity .12s}
.btn:hover{transform:translateY(-1px);text-decoration:none}.btn:disabled{opacity:.5;cursor:wait}
.btn--ghost{background:transparent;color:var(--fg);border:1px solid var(--card-b)}
.btn--danger{background:linear-gradient(135deg,#f87171,#ef4444);color:#fff}
.btn--sm{padding:.3rem .7rem;font-size:.8rem}
.badge{display:inline-block;padding:.15rem .6rem;border-radius:999px;font-size:.78rem;font-weight:600;border:1px solid transparent}
.badge--ok{background:rgba(52,211,153,.15);color:var(--ok);border-color:rgba(52,211,153,.35)}
.badge--warn{background:rgba(251,191,36,.14);color:var(--warn);border-color:rgba(251,191,36,.35)}
.badge--danger{background:rgba(248,113,113,.15);color:var(--bad);border-color:rgba(248,113,113,.35)}
.badge--muted{background:rgba(141,160,189,.14);color:var(--muted);border-color:var(--card-b)}
.note{color:var(--warn);font-size:.9rem;margin:.4rem 0 0}.note--bad{color:var(--bad)}
.checklist{list-style:none;padding:0;margin:0;display:grid;gap:.35rem}
.checklist li::before{display:inline-block;width:1.4em}.is-ok::before{content:"✔";color:var(--ok)}.is-bad::before{content:"✖";color:var(--bad)}
.table-wrap{overflow-x:auto}.table{width:100%;border-collapse:collapse;font-size:.9rem}
.table th,.table td{padding:.5rem .7rem;text-align:left;border-bottom:1px solid var(--card-b);vertical-align:top}
.table th{color:var(--muted);font-weight:600;white-space:nowrap}.table tr:hover td{background:rgba(127,127,127,.06)}
.table .num{text-align:right;font-variant-numeric:tabular-nums}
.form label{display:block;margin:.6rem 0 .25rem;color:var(--muted);font-size:.88rem}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=datetime-local],input[type=url],input[type=file],select,textarea{width:100%;padding:.6rem .8rem;border-radius:10px;border:1px solid var(--card-b);background:rgba(127,127,127,.1);color:var(--fg);font:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px}
.form .btn{margin-top:.8rem}
.result{margin-top:1rem}.result .row{padding:.5rem .7rem;border-radius:10px;border:1px solid var(--card-b);margin-bottom:.4rem;font-family:var(--mono);font-size:.9rem;word-break:break-all}
.result .verdict{font-family:var(--sans);font-weight:600}.verdict--ok{color:var(--ok)}.verdict--bad{color:var(--bad)}
.meter{height:8px;border-radius:99px;background:rgba(127,127,127,.18);margin:1rem 0;overflow:hidden}.meter__bar{height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .25s}
.ad{margin:1rem auto;text-align:center;position:relative;max-width:100%;overflow:hidden}
.ad__label{position:absolute;top:2px;left:6px;font-size:.62rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);z-index:1}
.ad__link{display:block;color:inherit}.ad__link img{max-width:100%;height:auto}.ad__pixel{position:absolute;opacity:0;pointer-events:none}
.ad-demo{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.2rem;min-height:90px;border:1px dashed var(--accent);border-radius:12px;padding:.6rem;background:rgba(56,189,248,.07)}
.ad--sticky_mobile{display:none}
@media(max-width:700px){.ad--sticky_mobile{display:block;position:fixed;left:0;right:0;bottom:0;margin:0;background:var(--bg);z-index:30;border-top:1px solid var(--card-b)}body{padding-bottom:70px}.kv{grid-template-columns:1fr}.kv dt{margin-top:.4rem}}
.footer{border-top:1px solid var(--card-b);padding:1.5rem 0 2rem;font-size:.88rem}
.cookie{position:fixed;left:1rem;right:1rem;bottom:1rem;max-width:560px;margin-inline:auto;display:flex;gap:1rem;align-items:center;background:var(--bg2);border:1px solid var(--card-b);border-radius:14px;padding:.9rem 1.1rem;z-index:50;box-shadow:0 12px 40px rgba(0,0,0,.4);font-size:.88rem}
.cookie[hidden]{display:none}.prose{max-width:760px;margin-inline:auto}
details summary{cursor:pointer;color:var(--muted);margin-top:.8rem}
/* panel */
.admin{display:grid;grid-template-columns:230px 1fr;gap:1.2rem;align-items:start}
.side{position:sticky;top:70px;display:grid;gap:.25rem}.side a{padding:.5rem .8rem;border-radius:10px;color:var(--muted)}.side a:hover,.side a[aria-current]{background:var(--card);color:var(--fg);text-decoration:none}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.9rem;margin-bottom:1.1rem}.kpi{background:var(--card);border:1px solid var(--card-b);border-radius:14px;padding:.9rem 1rem}.kpi b{display:block;font-size:1.5rem;font-variant-numeric:tabular-nums}.kpi span{color:var(--muted);font-size:.82rem}
.flash{padding:.7rem 1rem;border-radius:10px;margin-bottom:1rem;border:1px solid var(--card-b)}.flash--success{border-color:var(--ok);color:var(--ok)}.flash--error{border-color:var(--bad);color:var(--bad)}.flash--info{border-color:var(--accent)}
.toolbar{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center;margin-bottom:1rem}.toolbar form{display:inline-flex;gap:.4rem;align-items:center}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.8rem}.chart{width:100%;height:240px;display:block}
.inline{display:inline}.right{text-align:right}.checks{display:flex;gap:.8rem;flex-wrap:wrap}.checks label{display:inline-flex;gap:.35rem;align-items:center;margin:0;color:var(--fg)}.checks input{width:auto}
@media(max-width:860px){.admin{grid-template-columns:1fr}.side{position:static;grid-auto-flow:column;overflow-x:auto}}
@media print{.topbar,.side,.cookie,.toolbar,.footer,.btn{display:none!important}body{background:#fff;color:#000}.card{box-shadow:none;border-color:#999;background:#fff}}
/* WHOIS */
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.whois-form{display:flex;gap:.6rem;flex-wrap:wrap;margin:1rem 0 .5rem}
.whois-form input{flex:1 1 260px;font-size:1.05rem}
.chips{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center;margin:.4rem 0 0;font-size:.9rem}
.chips a{padding:.15rem .7rem;border:1px solid var(--card-b);border-radius:999px;color:var(--fg)}
.chips a:hover{border-color:var(--accent);text-decoration:none}
.plain{list-style:none;padding:0;margin:0;display:grid;gap:.25rem}
.raw{max-height:420px;overflow:auto;padding:.8rem 1rem;border-radius:10px;background:rgba(127,127,127,.1);font:.8rem/1.45 var(--mono);white-space:pre-wrap;word-break:break-word}
.small{font-size:.82rem}
/* statyczne miejsca reklamowe (gdy brak kampanii) */
.ad-slot{margin:1rem auto;text-align:center}
.ad-slot a{display:flex;align-items:center;justify-content:center;gap:.7rem;margin:0 auto;padding:.6rem 1rem;border:1px dashed var(--card-b);border-radius:12px;color:var(--muted);font-size:.85rem;background:rgba(127,127,127,.05)}
.ad-slot a:hover{border-color:var(--accent);color:var(--fg);text-decoration:none}
.ad-slot__size{font:600 .75rem var(--mono);padding:.1rem .45rem;border-radius:6px;background:var(--card)}
.ad-slot--sticky_mobile{display:none}
@media(max-width:700px){.ad-slot--sticky_mobile{display:block;position:fixed;left:0;right:0;bottom:0;margin:0;padding:.3rem;background:var(--bg);z-index:30;border-top:1px solid var(--card-b)}.ad-slot--sticky_mobile a{border:0;min-height:50px!important}}
.whois-home{margin-bottom:1.2rem}.whois-home h3{margin-top:0}