/* OPEN · console. Light, blue, isometric. */
:root{
  --blue:#0052FF; --blue-700:#0040C8; --blue-050:#EDF3FF; --pale:#DCE7FF;
  --ink:#0A1330; --ink-2:#3A4766; --muted:#6B7A99; --line:#E3EAF7;
  --bg:#FFFFFF; --panel:#F8FAFF; --white:#fff;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --rail:252px;
  --shadow:0 1px 2px rgba(10,19,48,.04),0 12px 32px -18px rgba(0,82,255,.28);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink); font-family:var(--sans);
  font-size:15px; line-height:1.6; -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(1200px 600px at 78% -8%, #F2F6FF 0%, rgba(255,255,255,0) 62%);
}
a{color:inherit}
h1,h2,h3{margin:0; letter-spacing:-.02em; line-height:1.12; font-weight:600}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;border-radius:8px;z-index:20}

/* ---- rail ---- */
.rail{
  position:fixed; inset:0 auto 0 0; width:var(--rail); z-index:10;
  display:flex; flex-direction:column; gap:28px; padding:26px 22px;
  background:rgba(255,255,255,.86); backdrop-filter:blur(10px);
  border-right:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none}
.brand-t{display:flex;flex-direction:column;line-height:1.15}
.brand-t b{font-size:17px;letter-spacing:.02em}
.brand-t i{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.09em;text-transform:uppercase}
.nav{display:flex;flex-direction:column;gap:2px}
.nav a{
  display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink-2);
  font-size:13.5px;padding:9px 10px;border-radius:9px;transition:.16s;
}
.nav a .n{font-family:var(--mono);font-size:11px;color:#9FB0CE}
.nav a:hover{background:var(--blue-050);color:var(--ink)}
.nav a.on{background:var(--blue-050);color:var(--blue);font-weight:500}
.nav a.on .n{color:var(--blue)}
.rail-foot{margin-top:auto;display:flex;flex-direction:column;gap:9px}
.chip{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:6px 11px;font-size:11.5px;color:var(--ink-2);font-family:var(--mono);
}
.dot{width:7px;height:7px;border-radius:50%;background:#C6D2E8;display:block}
.chip.live .dot{background:#12B76A;box-shadow:0 0 0 3px rgba(18,183,106,.16)}
.chip.pending .dot{background:var(--blue);box-shadow:0 0 0 3px rgba(0,82,255,.14)}
.fine{margin:0;font-size:11.5px;color:var(--muted)}

/* ---- console ---- */
.console{margin-left:var(--rail);padding:34px 40px 60px;display:flex;flex-direction:column;gap:26px;max-width:1320px}
.panel{padding:0}
.eyebrow{margin:0 0 10px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:500}
.ph{margin-bottom:20px}
.ph h2{font-size:clamp(22px,2.4vw,30px)}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}

/* hero */
.hero{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:34px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);
  padding:44px 42px;overflow:hidden;
}
.hero h1{font-size:clamp(30px,3.6vw,46px);letter-spacing:-.03em}
.hero h1 .accent{color:var(--blue)}
.lede{color:var(--ink-2);font-size:15.5px;max-width:56ch}
.lede b{font-weight:600;color:var(--ink)}
.cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.btn{
  display:inline-flex;align-items:center;text-decoration:none;font-size:13.5px;font-weight:500;
  padding:11px 18px;border-radius:10px;background:var(--blue);color:#fff;border:1px solid var(--blue);
  transition:.16s;
}
.btn:hover{background:var(--blue-700);border-color:var(--blue-700)}
.btn.ghost{background:#fff;color:var(--blue)}
.btn.ghost:hover{background:var(--blue-050)}
.hero-art{position:relative;min-height:340px;height:100%}
#scene{width:100%;height:100%;display:block;min-height:340px}

/* strip */
.strip{
  display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;
}
.strip div{background:#fff;padding:15px 18px;display:flex;flex-direction:column;gap:3px}
.strip span{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.strip b{font-family:var(--mono);font-size:13.5px;font-weight:500}

/* two column body */
.two{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:26px;align-items:start}
.prose p{margin:0 0 14px;color:var(--ink-2)}
.prose code{font-family:var(--mono);font-size:13px;background:var(--blue-050);color:var(--blue-700);padding:1px 6px;border-radius:6px}
.steps{margin:0 0 14px;padding-left:0;list-style:none;counter-reset:s}
.steps li{
  position:relative;padding:12px 0 12px 40px;border-top:1px solid var(--line);color:var(--ink-2);font-size:14.5px;
}
.steps li:before{
  counter-increment:s;content:counter(s,decimal-leading-zero);
  position:absolute;left:0;top:13px;font-family:var(--mono);font-size:11px;color:var(--blue);
  background:var(--blue-050);border-radius:6px;padding:3px 7px;
}
.steps b{color:var(--ink)}
.note{font-size:13.5px;color:var(--muted);border-left:2px solid var(--pale);padding-left:14px}

/* gauge */
.gauge{padding:22px}
.gauge-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.gauge-head .eyebrow{margin:0}
.badge{font-family:var(--mono);font-size:11px;color:var(--ink-2);background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:4px 10px}
.badge.live{color:#0a7c4a;background:#EAFBF3;border-color:#BFEBD6}
.bar,.split{display:flex;height:14px;border-radius:8px;overflow:hidden;background:var(--blue-050);border:1px solid var(--line)}
.bar i,.split i{display:block;background:var(--blue);height:100%;transition:width .5s cubic-bezier(.4,0,.2,1)}
.bar u,.split u{display:block;background:repeating-linear-gradient(135deg,var(--pale) 0 6px,#EFF4FF 6px 12px);height:100%;transition:width .5s}
.bar-legend{display:flex;gap:16px;margin:9px 0 16px;font-size:11.5px;color:var(--muted)}
.bar-legend span{display:flex;align-items:center;gap:6px}
.sw{width:9px;height:9px;border-radius:3px;display:block}
.sw.blue{background:var(--blue)} .sw.pale{background:var(--pale)}
.kv{margin:0;display:flex;flex-direction:column}
.kv div{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-top:1px solid var(--line)}
.kv dt{color:var(--muted);font-size:13px}
.kv dd{margin:0;font-family:var(--mono);font-size:13px;text-align:right}
.kv dd.ok{color:#0a7c4a}

/* calculator */
.calc{padding:22px}
.calc label{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.input{display:flex;align-items:center;gap:8px;margin:8px 0 14px;border:1px solid var(--line);border-radius:11px;padding:10px 14px;background:var(--panel)}
.input input{border:0;background:none;outline:none;font-family:var(--mono);font-size:20px;width:100%;color:var(--ink)}
.input span{font-family:var(--mono);font-size:12px;color:var(--muted)}
.slider{width:100%;margin:0 0 18px;accent-color:var(--blue)}
.split{margin-bottom:16px}
.tbl{width:100%;border-collapse:collapse;margin:0 0 16px;font-size:13.5px}
.tbl th{text-align:left;font-weight:500;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding:0 0 8px}
.tbl td{padding:9px 0;border-top:1px solid var(--line);font-family:var(--mono);font-size:12.5px;color:var(--ink-2)}
.tbl td:first-child{color:var(--ink)}
.tbl td:last-child{text-align:right}

/* layers */
.layers{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.layer{padding:22px;position:relative;overflow:hidden;display:flex;flex-direction:column}
.lart{width:100%;height:auto;max-width:210px;align-self:center;margin:-10px 0 6px;mix-blend-mode:multiply}
.lidx{font-family:var(--mono);font-size:11px;color:var(--blue);background:var(--blue-050);padding:3px 7px;border-radius:6px}
.layer h3{margin:14px 0 8px;font-size:19px}
.layer p{margin:0;color:var(--ink-2);font-size:14px}
.bench{padding:22px;background:linear-gradient(180deg,#fff 0%,var(--blue-050) 160%)}
.bench h3{margin:6px 0 8px;font-size:19px}
.bench-px{margin:0 0 8px;display:flex;align-items:baseline;gap:9px}
.bench-px b{font-family:var(--mono);font-size:24px;font-weight:500}
.bench-px span{font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.bench-px span.up{color:#0a7c4a} .bench-px span.down{color:#C0362C}
.spark{height:46px;margin:2px 0 10px}
.spark svg{width:100%;height:46px;display:block}

/* addresses */
.addr{padding:6px 22px}
.addr .row{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-top:1px solid var(--line);align-items:center}
.addr .row:first-child{border-top:0}
.addr span{color:var(--muted);font-size:13px}
.addr b{font-family:var(--mono);font-size:12.5px;font-weight:400;word-break:break-all;text-align:right}
.addr a{color:var(--blue);text-decoration:none}
.addr a:hover{text-decoration:underline}

.foot{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px;padding-top:10px;border-top:1px solid var(--line)}

/* ---- responsive ---- */
@media (max-width:1080px){
  .hero{grid-template-columns:minmax(0,1fr);padding:32px 26px}
  .hero-art{min-height:300px;order:-1}
  .two{grid-template-columns:minmax(0,1fr)}
  .layers{grid-template-columns:repeat(2,minmax(0,1fr))}
  .strip{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  /* 🔴 the rail stops being fixed, so it needs `relative` to keep its own stacking context */
  .rail{position:relative;inset:auto;width:auto;flex-direction:row;align-items:center;
        gap:14px;padding:14px 16px;border-right:0;border-bottom:1px solid var(--line);
        overflow-x:auto;z-index:10}
  .rail-foot{margin-top:0;flex-direction:row;align-items:center;gap:10px}
  .rail-foot .fine{display:none}
  .nav{flex-direction:row;gap:2px}
  .nav a{padding:7px 9px;font-size:12.5px;white-space:nowrap}
  .nav a .n{display:none}
  .console{margin-left:0;padding:20px 16px 44px;gap:22px}
  .layers,.strip{grid-template-columns:minmax(0,1fr)}
  .hero{padding:26px 20px}
  .hero-art{min-height:250px}
  #scene{min-height:250px}
}

/* ---- terminal ---- */
.wallet-btn{width:100%;justify-content:center;font-family:var(--mono);font-size:12px}
.stack{display:flex;flex-direction:column;gap:18px}
.ticket{padding:22px}
.toggle{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;background:var(--panel);
        border:1px solid var(--line);border-radius:11px;padding:4px;margin-bottom:18px}
.toggle button{border:0;background:none;padding:9px 12px;border-radius:8px;cursor:pointer;
               font:500 13.5px var(--sans);color:var(--muted)}
.toggle button.on{background:#fff;color:var(--blue);box-shadow:0 1px 2px rgba(10,19,48,.08)}
.ticket label{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.ticket .input{margin:8px 0 12px}
.max{border:1px solid var(--line);background:#fff;border-radius:8px;padding:5px 9px;cursor:pointer;
     font:500 11px var(--mono);color:var(--blue)}
.max:hover{background:var(--blue-050)}
.out{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:14px 16px;
     background:var(--blue-050);border-radius:11px;margin-bottom:16px}
.out span{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.out b{font-family:var(--mono);font-size:17px;font-weight:500;text-align:right;word-break:break-all}
.kv select{font:400 12px var(--mono);border:1px solid var(--line);border-radius:7px;padding:2px 4px;
           background:#fff;color:var(--ink);margin-left:6px}
.go{width:100%;justify-content:center;margin:18px 0 10px;padding:14px 18px;font-size:14.5px}
.go:disabled{background:var(--panel);border-color:var(--line);color:#9FB0CE;cursor:not-allowed}
.fine.ok{color:#0a7c4a}
.fine.bad{color:#C0362C}
.fine a{color:var(--blue)}
.wallet{padding:22px}

@media (max-width:760px){
  /* the ticket's output is one long number: let it own a line instead of breaking mid-word */
  .out{flex-direction:column;align-items:flex-start;gap:6px}
  .out b{white-space:nowrap;font-size:16px;text-align:left}
  /* the rail's connect button scrolls off the top bar · the ticket's own button does the job */
  .wallet-btn{display:none}
}