/* CakraKoin — gaya rantai blok, tema gelap */
:root{
  --ck-bg:#0b1020;--ck-panel:#141a2e;--ck-panel2:#1a2140;--ck-line:#2a3456;
  --ck-text:#e2e8f0;--ck-mute:#a3b1c6;--ck-cyan:#22d3ee;--ck-violet:#a78bfa;--ck-warn:#fbbf24;
  --ck-r:4px;--ck-head:"Chakra Petch",ui-sans-serif,system-ui,sans-serif;--ck-body:"Titillium Web",ui-sans-serif,system-ui,sans-serif;
  --ck-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--ck-bg);color:var(--ck-text);font-family:var(--ck-body);font-size:17px;line-height:1.7;
  background-image:linear-gradient(rgba(34,211,238,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(34,211,238,.035) 1px,transparent 1px);background-size:44px 44px}
img{max-width:100%;height:auto;display:block}
a{color:var(--ck-cyan);text-underline-offset:3px}
a:hover{color:#67e8f9}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--ck-violet);outline-offset:2px}
h1,h2,h3{font-family:var(--ck-head);line-height:1.25;color:#f1f5f9;letter-spacing:.01em}
h1{font-size:clamp(1.7rem,4.6vw,2.6rem);margin:.2em 0 .45em}
h2{font-size:clamp(1.3rem,3vw,1.7rem);margin:2.1em 0 .6em}
h3{font-size:1.15rem;margin:1.6em 0 .4em}
p{margin:0 0 1em}
ul,ol{padding-left:1.35em;margin:0 0 1.2em}
li{margin:.3em 0}
.ck-mono,.ck-code,code{font-family:var(--ck-mono);font-size:.86em}
.ck-skip{position:absolute;left:-999px;top:0;background:var(--ck-cyan);color:#0b1020;padding:10px 14px;z-index:9}
.ck-skip:focus{left:12px;top:12px}
.ck-wrap{max-width:1140px;margin:0 auto;padding:0 16px}

/* header */
.ck-top{border-bottom:1px solid var(--ck-line);background:rgba(11,16,32,.94);position:sticky;top:0;z-index:5;backdrop-filter:blur(6px)}
.ck-top-in{max-width:1140px;margin:0 auto;padding:8px 16px;display:flex;flex-wrap:wrap;align-items:center;gap:6px 18px}
.ck-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ck-text);font-family:var(--ck-head);font-size:1.3rem;font-weight:700;min-height:44px}
.ck-brand b,.ck-foot-logo b{color:var(--ck-cyan);font-weight:700}
.ck-nav{display:flex;flex-wrap:wrap;gap:4px 6px;margin-left:auto}
.ck-nav a{display:inline-flex;align-items:center;min-height:36px;padding:2px 10px;border:1px solid transparent;border-radius:var(--ck-r);color:var(--ck-text);text-decoration:none;font-family:var(--ck-head);font-size:.95rem}
.ck-nav a:hover{border-color:var(--ck-line)}
.ck-nav a[aria-current=page]{border-color:var(--ck-cyan);color:var(--ck-cyan)}
@media (max-width:720px){.ck-top{position:static}.ck-nav{margin-left:0;width:100%}.ck-nav a{font-size:.9rem;padding:2px 8px}}

/* umum */
.ck-main{display:block;padding-bottom:40px}
.ck-kicker{font-family:var(--ck-head);color:var(--ck-violet);font-size:.95rem;margin:0;text-transform:uppercase;letter-spacing:.06em}
.ck-kicker .ck-mono{color:var(--ck-cyan);font-size:.95rem;margin-right:6px}
.ck-lede{font-size:1.1rem;color:#cbd5e1;max-width:62ch}
.ck-small{font-size:.9rem;color:var(--ck-mute)}
.ck-dim{color:var(--ck-mute)}
.ck-fig{margin:1.4em 0;border:1px solid var(--ck-line);border-radius:var(--ck-r);overflow:hidden;background:var(--ck-panel)}
.ck-fig figcaption{font-size:.9rem;color:var(--ck-mute);padding:8px 12px;border-top:1px solid var(--ck-line)}
.ck-code{display:block;background:#060a16;border:1px solid var(--ck-line);border-left:3px solid var(--ck-cyan);border-radius:var(--ck-r);padding:10px 12px;color:#a5f3fc;overflow-wrap:anywhere;word-break:break-all;line-height:1.55}
.ck-wrapcell{overflow-wrap:anywhere;word-break:break-all}
.ck-note{background:var(--ck-panel);border:1px solid var(--ck-line);border-left:3px solid var(--ck-violet);border-radius:var(--ck-r);padding:12px 14px;margin:1.2em 0}
.ck-note p{margin:0}
.ck-warn{border-left-color:var(--ck-warn)}
.ck-inline{font-size:.95rem}

/* tabel */
.ck-tablewrap{overflow-x:auto;margin:1.2em 0 1.4em;border:1px solid var(--ck-line);border-radius:var(--ck-r)}
table{border-collapse:collapse;width:100%;font-size:.95rem;background:var(--ck-panel)}
caption{caption-side:top;text-align:left;font-family:var(--ck-head);font-weight:600;padding:10px 12px;color:var(--ck-cyan);background:#10162a;border-bottom:1px solid var(--ck-line)}
th,td{padding:9px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--ck-line)}
thead th{font-family:var(--ck-head);font-weight:600;color:#f1f5f9;background:var(--ck-panel2)}
tbody tr:last-child td,tbody tr:last-child th{border-bottom:0}
.ck-r{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}

/* artikel */
.ck-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:4px 8px;font-size:.9rem;color:var(--ck-mute);padding:14px 0 4px}
.ck-crumb a{display:inline-flex;align-items:center;min-height:28px}
.ck-ahead{padding:6px 0 2px;max-width:820px}
.ck-meta{display:flex;flex-wrap:wrap;gap:4px 16px;font-size:.9rem;color:var(--ck-mute);margin:0}
.ck-meta span::before{content:"\25A0";color:var(--ck-cyan);font-size:.6em;margin-right:6px;vertical-align:middle}
.ck-ahead + .ck-fig{max-width:1000px}
.ck-grid{display:grid;grid-template-columns:250px minmax(0,1fr);gap:40px;align-items:start;margin-top:10px}
.ck-grid-solo{grid-template-columns:minmax(0,780px)}
.ck-body{max-width:760px;min-width:0}
.ck-body > h2:first-child,.ck-body > .ck-note:first-child + h2{margin-top:.8em}
.ck-toc{position:sticky;top:84px;background:var(--ck-panel);border:1px solid var(--ck-line);border-radius:var(--ck-r);padding:12px 10px;max-height:calc(100vh - 110px);overflow:auto}
.ck-toc-t{font-family:var(--ck-head);font-size:.9rem;color:var(--ck-violet);margin:0 4px 8px;text-transform:uppercase;letter-spacing:.05em}
.ck-toc ol{list-style:none;margin:0;padding:0;position:relative}
.ck-toc ol::before{content:"";position:absolute;left:21px;top:8px;bottom:8px;width:1px;background:var(--ck-line)}
.ck-toc li{margin:0}
.ck-toc a{display:flex;gap:8px;align-items:flex-start;min-height:34px;padding:5px 4px;color:var(--ck-text);text-decoration:none;font-size:.93rem;line-height:1.4;border-radius:var(--ck-r);position:relative}
.ck-toc a:hover{background:var(--ck-panel2);color:var(--ck-cyan)}
.ck-h{font-family:var(--ck-mono);font-size:.8rem;color:#0b1020;background:var(--ck-cyan);border-radius:3px;padding:1px 4px;flex:none;margin-top:1px;position:relative}
@media (max-width:900px){
  .ck-grid{grid-template-columns:minmax(0,1fr);gap:8px}
  .ck-toc{position:static;max-height:none}
}
.ck-faq{margin-top:2.4em;border-top:1px dashed var(--ck-line)}
.ck-qa{background:var(--ck-panel);border:1px solid var(--ck-line);border-radius:var(--ck-r);padding:4px 16px 2px;margin:12px 0}
.ck-qa h3{font-size:1.05rem;margin:.8em 0 .3em;color:var(--ck-cyan)}
.ck-next{margin-top:2.4em}
.ck-next ul{list-style:none;padding:0}
.ck-next li{margin:8px 0}
.ck-next a{display:block;padding:10px 12px;border:1px solid var(--ck-cyan);border-radius:var(--ck-r);text-decoration:none;color:var(--ck-text);min-height:44px}
.ck-next a:hover{background:rgba(34,211,238,.08)}
.ck-next .ck-mono{color:var(--ck-violet)}
.ck-checks{list-style:none;padding-left:0}
.ck-checks li{padding-left:28px;position:relative}
.ck-checks li::before{content:"[ ]";position:absolute;left:0;font-family:var(--ck-mono);color:var(--ck-cyan);font-size:.85em;top:.15em}
.ck-limits{padding-left:0;list-style:none;counter-reset:lim}
.ck-limits > li{counter-increment:lim;border:1px solid var(--ck-line);border-radius:var(--ck-r);background:var(--ck-panel);padding:2px 16px 4px 58px;position:relative;margin:14px 0}
.ck-limits > li::before{content:"0" counter(lim);position:absolute;left:14px;top:16px;font-family:var(--ck-mono);color:var(--ck-cyan);font-size:1rem}
.ck-limits h3{margin-top:.8em}

/* alat hitung */
.ck-tool{border:1px solid var(--ck-cyan);border-radius:var(--ck-r);background:linear-gradient(180deg,#10182f,#0d1428);padding:14px 16px;margin:1.4em 0;box-shadow:0 0 0 1px rgba(34,211,238,.08),0 0 24px rgba(34,211,238,.06)}
.ck-tool-t{font-family:var(--ck-head);font-weight:600;margin:0 0 10px}
.ck-tool-t .ck-mono{color:var(--ck-violet);margin-right:8px}
.ck-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px 14px;margin-bottom:10px}
.ck-fields label{display:flex;flex-direction:column;gap:4px;font-size:.92rem;color:var(--ck-mute)}
.ck-fields input,.ck-fields select{min-height:44px;background:#060a16;color:var(--ck-text);border:1px solid var(--ck-line);border-radius:var(--ck-r);padding:8px 10px;font-family:var(--ck-mono);font-size:1rem;width:100%}
.ck-btn{min-height:44px;padding:8px 18px;background:transparent;color:var(--ck-cyan);border:1px solid var(--ck-cyan);border-radius:var(--ck-r);font-family:var(--ck-head);font-size:1rem;cursor:pointer}
.ck-btn:hover{background:rgba(34,211,238,.1)}
.ck-btn[disabled]{opacity:.6;cursor:progress}
.ck-out{margin:.6em 0;font-size:1rem}
.ck-out strong{color:var(--ck-cyan);font-variant-numeric:tabular-nums}

/* beranda */
.ck-home h2{margin-top:0}
.ck-genesis{padding:34px 0 26px;border-bottom:1px solid var(--ck-line)}
.ck-gen-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:34px;align-items:center}
.ck-gen-img .ck-fig{margin:0;box-shadow:0 0 0 1px rgba(167,139,250,.2),0 0 40px rgba(34,211,238,.12)}
.ck-header-fields{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0}
.ck-header-fields div{border:1px solid var(--ck-line);border-radius:var(--ck-r);padding:6px 10px;background:var(--ck-panel)}
.ck-header-fields dt{font-family:var(--ck-mono);font-size:.78rem;color:var(--ck-violet)}
.ck-header-fields dd{margin:0;color:var(--ck-text)}
.ck-sec-lede{color:#cbd5e1;max-width:70ch}
.ck-chainsec{padding:44px 0 20px}
.ck-chain{list-style:none;padding:0;margin:26px 0 0;position:relative}
.ck-chain::before{content:"";position:absolute;top:0;bottom:0;left:50%;width:2px;margin-left:-1px;background:linear-gradient(var(--ck-cyan),var(--ck-violet));opacity:.7}
.ck-block{position:relative;width:calc(50% - 34px);background:var(--ck-panel);border:1px solid var(--ck-line);border-radius:var(--ck-r);padding:12px 16px 4px;margin:0 0 18px}
.ck-block:nth-child(odd){margin-right:auto}
.ck-block:nth-child(even){margin-left:auto}
.ck-block::after{content:"";position:absolute;top:22px;width:34px;height:2px;background:var(--ck-cyan)}
.ck-block:nth-child(odd)::after{right:-34px}
.ck-block:nth-child(even)::after{left:-34px}
.ck-block::before{content:"";position:absolute;top:16px;width:12px;height:12px;border:2px solid var(--ck-cyan);background:var(--ck-bg);transform:rotate(45deg);z-index:1}
.ck-block:nth-child(odd)::before{right:-41px}
.ck-block:nth-child(even)::before{left:-41px}
.ck-main-block{border-color:var(--ck-cyan);box-shadow:0 0 18px rgba(34,211,238,.1)}
.ck-block h3{margin:.25em 0 .35em;font-size:1.12rem}
.ck-block h3 a{color:#f1f5f9;text-decoration:none}
.ck-block h3 a:hover{color:var(--ck-cyan)}
.ck-block p{font-size:.95rem;color:#cbd5e1}
.ck-bh{font-size:.82rem!important;color:var(--ck-mute)!important;margin:0!important}
.ck-bh .ck-mono{font-size:1em}
.ck-bh .ck-mono:first-child{color:var(--ck-cyan)}
@media (max-width:760px){
  .ck-chain::before{left:9px}
  .ck-block,.ck-block:nth-child(odd),.ck-block:nth-child(even){width:auto;margin-left:30px;margin-right:0}
  .ck-block:nth-child(odd)::after,.ck-block:nth-child(even)::after{left:-21px;right:auto;width:21px}
  .ck-block:nth-child(odd)::before,.ck-block:nth-child(even)::before{left:-27px;right:auto}
  .ck-gen-grid{grid-template-columns:minmax(0,1fr);gap:20px}
}
.ck-mempool{padding:40px 0;background:rgba(20,26,46,.55);border-top:1px solid var(--ck-line);border-bottom:1px solid var(--ck-line)}
.ck-pending{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px;margin-top:18px}
.ck-tx{border:1px dashed var(--ck-violet);border-radius:var(--ck-r);padding:12px 14px 2px;background:var(--ck-bg)}
.ck-tx-q{font-family:var(--ck-head);font-weight:600;color:#f1f5f9}
.ck-tx-q::before{content:"pending \2192  ";font-family:var(--ck-mono);font-size:.8em;color:var(--ck-violet)}
.ck-tx p{font-size:.95rem}
.ck-ledger{padding:40px 0 10px}
.ck-ledger-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:30px;align-items:start}
.ck-ledger-t{border:1px solid var(--ck-line);border-radius:var(--ck-r)}
.ck-ledger-t th{font-weight:600;font-family:var(--ck-body)}
.ck-ledger-t td{color:var(--ck-cyan);font-family:var(--ck-mono);font-size:.92rem}
@media (max-width:760px){.ck-ledger-grid{grid-template-columns:minmax(0,1fr)}.ck-ledger-t td{white-space:normal}}
.ck-engines{padding:40px 0}
.ck-eng-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:32px;align-items:center}
.ck-eng-img .ck-fig{margin:0}
.ck-duo{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ck-duo-card{border-top:2px solid var(--ck-cyan);background:var(--ck-panel);border-radius:var(--ck-r);padding:4px 14px 4px}
.ck-duo-card:nth-child(2){border-top-color:var(--ck-violet)}
.ck-duo-card h3{margin-top:.7em}
.ck-duo-card p{font-size:.95rem}
@media (max-width:760px){.ck-eng-grid,.ck-duo{grid-template-columns:minmax(0,1fr)}}
.ck-legend{padding:20px 0 30px}
.ck-legend-list{list-style:none;padding:0}
.ck-legend-list li{margin:10px 0;padding-left:64px;position:relative}
.ck-legend-list .ck-mono{position:absolute;left:0;top:.2em;color:var(--ck-cyan)}
.ck-404{padding:60px 16px}
.ck-hash{color:var(--ck-violet)}

/* footer */
.ck-foot{border-top:1px solid var(--ck-cyan);background:#080c19;margin-top:30px}
.ck-foot-in{max-width:1140px;margin:0 auto;padding:30px 16px 10px;display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:26px}
.ck-foot p{font-size:.93rem;color:var(--ck-mute)}
.ck-foot-logo{display:flex;align-items:center;gap:10px;font-family:var(--ck-head);font-size:1.2rem;color:var(--ck-text)!important;font-weight:700}
.ck-foot-t{font-family:var(--ck-head);color:var(--ck-text)!important;font-weight:600;margin-bottom:6px;text-transform:uppercase;letter-spacing:.05em;font-size:.9rem!important}
.ck-foot ul{list-style:none;padding:0;margin:0}
.ck-foot li{margin:0}
.ck-foot li a{display:inline-flex;align-items:center;min-height:32px;color:#cbd5e1;text-decoration:none;font-size:.93rem}
.ck-foot li a:hover{color:var(--ck-cyan)}
.ck-foot-base{max-width:1140px;margin:0 auto;padding:10px 16px 26px;border-top:1px solid var(--ck-line);font-size:.85rem!important}
@media (max-width:900px){.ck-foot-in{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.ck-foot-in{grid-template-columns:minmax(0,1fr)}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}