/* Lacuna: pitch black, crisp white, muted silver. Liquid glass on every surface you touch.
   Space Grotesk for display, Inter for reading and controls, JetBrains Mono for chain data. */
:root{
  --void:#050505;--carbon:#0a0a0b;--graphite:#111113;--slate:#18181b;--iron:#2a2a2e;--steel:#7d7d83;--fog:#8e8e93;--silver:#b4b4b9;--ice:#f2f2f4;--head:#ffffff;
  --accent:#ffffff;--accent-hi:#ffffff;--accent-deep:#f2f2f4;--accent-lo:#3a3a3e;--ice-tint:#e6e6ea;
  --line:rgba(255,255,255,.08);--line2:rgba(255,255,255,.16);--ok:#9be8c0;--bad:#ff9d90;--q:#e6e6ea;
  --display:"Space Grotesk",ui-sans-serif,system-ui,sans-serif;--sans:"Inter",ui-sans-serif,system-ui,sans-serif;--mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --hi:var(--accent);--hi2:var(--accent-hi);--ac:var(--accent-hi);--r:16px;--ease:cubic-bezier(.16,1,.3,1);
  /* liquid glass */
  --glass:rgba(255,255,255,.035);--edge-top:rgba(255,255,255,.14);--edge-low:rgba(255,255,255,.04);
  --glass-shadow:inset 0 1px 1px rgba(255,255,255,.18),0 20px 50px -24px rgba(0,0,0,.9);
  --bg:var(--void);--bg2:var(--carbon);--panel:var(--graphite);--tx:var(--ice);--dim:var(--fog);--dim2:var(--steel);--ac2:var(--ice);--acd:var(--iron);color-scheme:dark}
*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}
html{background:var(--void);scrollbar-color:var(--iron) var(--void);-webkit-text-size-adjust:100%;overflow-x:clip}
::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--void)}::-webkit-scrollbar-thumb{background:var(--iron);border-radius:10px;border:2px solid var(--void)}
body{background:var(--void);color:var(--ice);font:400 16px/1.55 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:clip;min-height:100vh;font-feature-settings:"cv11","ss03"}
/* film grain: static, never banding */
body:after{content:'';position:fixed;inset:0;z-index:90;pointer-events:none;opacity:.025;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
::selection{background:#fff;color:#050505}
a{color:inherit;text-decoration:none;text-underline-offset:3px}
:focus-visible{outline:1.5px solid #fff;outline-offset:3px;border-radius:8px}
img,svg,canvas{display:block}
.wrap{max-width:1160px;margin:0 auto;padding:0 max(20px,4vw)}
.mono{font-family:var(--mono)}.cap{font:500 11px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--fog)}
.dim{color:var(--fog)}.ac{color:var(--head)}.ok{color:var(--ok)}.bad{color:var(--bad)}.q{color:var(--q)}
.mark{color:var(--head)}

/* liquid glass material */
.glass{position:relative;isolation:isolate;border:1px solid transparent;border-radius:var(--r);
  background:linear-gradient(var(--glass),var(--glass)) padding-box,linear-gradient(180deg,var(--edge-top),var(--edge-low) 46%,rgba(255,255,255,.02)) border-box;
  -webkit-backdrop-filter:blur(20px) saturate(140%);backdrop-filter:blur(20px) saturate(140%);box-shadow:var(--glass-shadow);
  transition:transform .7s var(--ease),box-shadow .7s var(--ease)}
.glass:before{content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:-1;opacity:0;transition:opacity .5s var(--ease);
  background:radial-gradient(240px circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.12),rgba(255,255,255,.035) 42%,transparent 70%)}
.glass:hover:before{opacity:1}

/* nav */
header.nav{position:fixed;inset:0 0 auto 0;z-index:40;transition:background .5s var(--ease),box-shadow .5s var(--ease)}
header.nav.stuck{background:rgba(5,5,5,.55);-webkit-backdrop-filter:blur(20px) saturate(140%);backdrop-filter:blur(20px) saturate(140%);box-shadow:inset 0 -1px 0 var(--line)}
.nav-in{max-width:1160px;margin:0 auto;padding:0 max(20px,4vw);height:60px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:inline-flex;align-items:center;gap:10px;font:500 14px/1 var(--sans);letter-spacing:-.005em;color:var(--head)}
.logo .mark{transition:transform 1.2s var(--ease)}.logo:hover .mark{transform:rotate(-120deg)}
header.nav nav{display:flex;gap:26px;margin-left:auto}
header.nav nav a{position:relative;display:inline-block;font:500 13px/1 var(--sans);color:var(--fog);padding:6px 0;transition:color .3s}
header.nav nav a .sl{display:block;overflow:hidden;height:13px}
header.nav nav a .sl i{display:block;font-style:normal;transition:transform .55s var(--ease)}
header.nav nav a .sl i+i{color:var(--head)}
header.nav nav a:hover .sl i{transform:translateY(-100%)}
header.nav nav a:after{content:'';position:absolute;left:50%;bottom:-6px;width:4px;height:4px;border-radius:50%;background:#fff;transform:translateX(-50%) scale(0);transition:transform .5s var(--ease);box-shadow:0 0 10px rgba(255,255,255,.8)}
header.nav nav a.on{color:var(--head)}header.nav nav a.on:after{transform:translateX(-50%) scale(1)}
.nav-act{display:flex;align-items:center;gap:6px}
.icon-btn{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;color:var(--fog);transition:color .3s,background .3s}.icon-btn:hover{color:var(--head);background:rgba(255,255,255,.06)}
.nav-act .burger{display:none}

/* buttons: glass pills */
.btn,.pbtn{position:relative;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;gap:10px;height:44px;padding:0 20px;border-radius:999px;border:1px solid transparent;color:var(--ice);font:500 14px var(--sans);letter-spacing:-.005em;cursor:pointer;white-space:nowrap;
  background:linear-gradient(rgba(255,255,255,.045),rgba(255,255,255,.045)) padding-box,linear-gradient(180deg,rgba(255,255,255,.2),rgba(255,255,255,.04)) border-box;
  -webkit-backdrop-filter:blur(20px) saturate(140%);backdrop-filter:blur(20px) saturate(140%);box-shadow:inset 0 1px 1px rgba(255,255,255,.16);
  transition:background .5s var(--ease),color .3s,transform .6s var(--ease),box-shadow .5s var(--ease)}
.btn:hover,.pbtn:hover{background:linear-gradient(rgba(255,255,255,.09),rgba(255,255,255,.09)) padding-box,linear-gradient(180deg,rgba(255,255,255,.36),rgba(255,255,255,.06)) border-box;box-shadow:inset 0 1px 1px rgba(255,255,255,.24),0 0 30px -8px rgba(255,255,255,.25)}
.btn.solid{background:#fff;color:#050505;box-shadow:inset 0 -1px 0 rgba(0,0,0,.12)}
.btn.solid:hover{background:#fff;box-shadow:0 0 34px -6px rgba(255,255,255,.45)}
.btn.blue{background:#f2f2f4;color:#050505}.btn.blue:hover{background:#fff;color:#050505}
.btn.sm{height:34px;padding:0 15px;font-size:13px}
.btn:disabled{opacity:.4;cursor:wait;transform:none}
.btn .arr{transition:transform .5s var(--ease)}.btn:hover .arr{transform:translateX(3px)}

/* app pages */
main.app{padding:118px max(20px,4vw) 80px;max-width:1160px;margin:0 auto}
.pagehead{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px;flex-wrap:wrap;padding-bottom:28px;border-bottom:1px solid var(--line)}
.pagehead h1{font:700 clamp(40px,5.4vw,72px)/.94 var(--display);letter-spacing:-.03em;text-transform:uppercase;color:var(--head);text-wrap:balance;max-width:16ch}
h3{font:600 20px/1.2 var(--display);letter-spacing:-.02em;margin-bottom:12px;color:var(--head)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.stats div{padding:20px 20px 22px;border-radius:var(--r);border:1px solid transparent;background:linear-gradient(var(--glass),var(--glass)) padding-box,linear-gradient(180deg,var(--edge-top),var(--edge-low) 50%) border-box;box-shadow:inset 0 1px 1px rgba(255,255,255,.12)}
.stats span{font:500 11px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--fog);display:block}
.stats b{font:600 28px/1.1 var(--display);letter-spacing:-.025em;display:block;margin-top:10px;word-break:break-all;font-variant-numeric:tabular-nums;color:var(--head)}
.panel{border:1px solid transparent;background:linear-gradient(var(--glass),var(--glass)) padding-box,linear-gradient(180deg,var(--edge-top),var(--edge-low) 40%) border-box;border-radius:var(--r);overflow:hidden;box-shadow:inset 0 1px 1px rgba(255,255,255,.12)}
.panel>.hd{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font:500 11px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--fog);gap:12px}
.panel>.hd>span:first-child{color:var(--head)}
.list a,.list div.it{display:grid;grid-template-columns:auto 1fr auto;gap:16px;padding:13px 18px;border-bottom:1px solid var(--line);font:400 13px var(--mono);align-items:center;font-variant-numeric:tabular-nums;transition:background .3s}
.list>:last-child{border-bottom:0}.list a:hover{background:rgba(255,255,255,.04)}
.list .h{color:var(--head)}.mono-trunc{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--fog);font-family:var(--mono)}
.tag{display:inline-block;font:500 11px var(--mono);letter-spacing:.04em;text-transform:uppercase;border:1px solid var(--line2);color:var(--silver);padding:3px 9px;border-radius:999px;white-space:nowrap;vertical-align:1px}
.tag.q,.tag.ac{color:#050505;border-color:#fff;background:#fff}
table{width:100%;border-collapse:collapse;font:400 13px var(--mono);font-variant-numeric:tabular-nums}
td{padding:13px 18px;border-bottom:1px solid var(--line);vertical-align:top;word-break:break-all}tr:last-child td{border-bottom:0}
td:first-child{color:var(--fog);word-break:normal;white-space:nowrap;font-size:11px;letter-spacing:.06em;text-transform:uppercase}
.tbl{border:1px solid transparent;background:linear-gradient(var(--glass),var(--glass)) padding-box,linear-gradient(180deg,var(--edge-top),var(--edge-low) 40%) border-box;border-radius:var(--r);overflow:hidden}
input,textarea{width:100%;background:rgba(255,255,255,.03);border:1px solid var(--line2);color:var(--ice);font:400 14px var(--mono);padding:12px 14px;border-radius:12px;outline:none;transition:border-color .3s,box-shadow .3s;caret-color:#fff}
input::placeholder,textarea::placeholder{color:var(--steel)}
input:focus,textarea:focus{border-color:rgba(255,255,255,.5);box-shadow:0 0 0 4px rgba(255,255,255,.06)}
input[type=range]{accent-color:#fff!important;padding:0;border:0;background:none;box-shadow:none}
label{font:500 11px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--fog);display:block;margin:18px 0 8px}
.ca{display:inline-flex;align-items:center;gap:12px;padding:8px 15px;border-radius:999px;cursor:pointer;font:400 12px var(--mono);max-width:100%;border:1px solid transparent;
  background:linear-gradient(var(--glass),var(--glass)) padding-box,linear-gradient(180deg,var(--edge-top),var(--edge-low)) border-box;transition:box-shadow .4s}
.ca:hover{box-shadow:0 0 24px -8px rgba(255,255,255,.3)}.ca code{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--silver)}.ca .cap{color:var(--head)}.ca-copy{color:var(--fog)}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:rgba(20,20,22,.8);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--line2);color:var(--ice);padding:12px 18px;font:400 12.5px var(--mono);z-index:95;max-width:90vw;border-radius:999px;box-shadow:inset 0 1px 1px rgba(255,255,255,.14),0 14px 40px -10px rgba(0,0,0,.8);animation:tin .5s var(--ease)}
.toast:before{content:'';display:inline-block;width:6px;height:6px;border-radius:50%;background:#fff;margin-right:10px;vertical-align:1px;box-shadow:0 0 8px #fff}.toast.err:before{background:var(--bad);box-shadow:none}
@keyframes tin{from{opacity:0;transform:translate(-50%,8px)}}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.note{border:1px solid var(--line);padding:16px 18px;color:var(--fog);font:400 12.5px/1.6 var(--mono);margin-top:26px;border-radius:var(--r)}
.prose{max-width:760px}
.prose p,.prose li{color:#c4c4c9;margin:0 0 16px;font-size:16.5px;line-height:1.72}.prose ul,.prose ol{padding-left:22px;margin-bottom:16px}
.prose h2{font:700 28px/1.1 var(--display);letter-spacing:-.025em;text-transform:uppercase;margin:56px 0 16px;color:var(--head)}.prose h3{margin-top:44px}
.prose a{color:var(--head);text-decoration:underline;text-decoration-color:rgba(255,255,255,.35)}
.prose code{font:400 13px var(--mono);color:var(--head);background:rgba(255,255,255,.06);padding:2px 6px;border-radius:6px}
.prose pre{background:rgba(255,255,255,.025);border:1px solid var(--line);padding:18px 20px;overflow-x:auto;color:var(--ice);font:400 12.5px/1.65 var(--mono);margin:0 0 20px;border-radius:var(--r)}.prose pre code{background:none;padding:0}
.badge{display:inline-grid;place-items:center;color:var(--head)}

/* footer */
footer.foot{margin-top:120px;border-top:1px solid var(--line);padding:64px 0 28px;overflow:hidden;position:relative;z-index:2;background:var(--void)}
.foot-top{display:grid;grid-template-columns:1.1fr 2fr;gap:clamp(30px,6vw,90px)}
.foot-brand p{color:var(--fog);margin-top:18px;max-width:34ch;font-size:14px}
footer.foot .cols{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
footer.foot h4{font:500 11px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--steel);margin-bottom:16px}
footer.foot .cols a{display:block;color:var(--fog);font-size:14px;margin-bottom:10px;transition:color .3s}footer.foot .cols a:hover{color:var(--head)}
footer.foot .fine{font:400 12px/1.7 var(--sans);color:var(--steel);margin-top:56px;padding-top:22px;border-top:1px solid var(--line)}

@media(max-width:900px){
  header.nav nav{display:none}.nav-act .burger{display:inline-flex}.nav-in{gap:12px}
  header.nav.open{background:rgba(5,5,5,.9);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}
  header.nav.open nav{display:flex;position:absolute;top:60px;left:0;right:0;flex-direction:column;gap:0;background:rgba(5,5,5,.96);border-bottom:1px solid var(--line);padding:8px max(20px,4vw) 16px}
  header.nav.open nav a{padding:16px 0;font-size:16px;border-bottom:1px solid var(--line)}header.nav.open nav a .sl{height:17px}header.nav.open nav a:after{display:none}
  .stats{grid-template-columns:1fr 1fr}
  .grid2{grid-template-columns:1fr}.list a,.list div.it{grid-template-columns:auto 1fr}.list a>:last-child,.list div.it>:last-child{display:none}
  .foot-top{grid-template-columns:1fr}footer.foot .cols{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}