@font-face{font-family:"Geist";src:url("/fonts/geist.woff2") format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Geist Mono";src:url("/fonts/geist-mono.woff2") format("woff2");font-weight:100 900;font-display:swap}

:root{
  color-scheme:light;
  --bg:#fff;--bg-2:#fafafa;--bg-3:#f2f2f2;
  --fg:#171717;--fg-2:#666;--fg-3:#8f8f8f;
  --line:#eaeaea;--line-2:#d4d4d4;--cross:#a8a8a8;
  --ok:#0a7d33;--ok-bg:#e9f8ed;--no:#cb2a2f;--no-bg:#ffecee;--amber:#f5a623;--blue:#0068d6;
  --c-s:#107d32;--c-k:#7d00cc;--c-f:#005ff2;
  --shadow:0 1px 2px rgba(0,0,0,.04),0 12px 40px -12px rgba(0,0,0,.12);
  --prism:.22;
  --sans:"Geist",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  color-scheme:dark;
  --bg:#000;--bg-2:#0a0a0a;--bg-3:#1a1a1a;
  --fg:#ededed;--fg-2:#a1a1a1;--fg-3:#707070;
  --line:#242424;--line-2:#3a3a3a;--cross:#6b6b6b;
  --ok:#62c073;--ok-bg:#0f2a17;--no:#ff6166;--no-bg:#33151a;--blue:#52a8ff;
  --c-s:#62c073;--c-k:#c472fb;--c-f:#52a8ff;
  --shadow:0 0 0 1px rgba(255,255,255,.02),0 20px 60px -20px rgba(0,0,0,.9);
  --prism:.38;
}}
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#000;--bg-2:#0a0a0a;--bg-3:#1a1a1a;
  --fg:#ededed;--fg-2:#a1a1a1;--fg-3:#707070;
  --line:#242424;--line-2:#3a3a3a;--cross:#6b6b6b;
  --ok:#62c073;--ok-bg:#0f2a17;--no:#ff6166;--no-bg:#33151a;--blue:#52a8ff;
  --c-s:#62c073;--c-k:#c472fb;--c-f:#52a8ff;
  --shadow:0 0 0 1px rgba(255,255,255,.02),0 20px 60px -20px rgba(0,0,0,.9);
  --prism:.38;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;padding:0 16px;background:var(--bg);color:var(--fg);font:400 16px/1.5 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,p,ol,ul,dl,dd,pre{margin:0;padding:0}
ol,ul{list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
code,pre,output{font-family:var(--mono)}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:4px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.skip{position:absolute;left:16px;top:-48px;background:var(--fg);color:var(--bg);padding:8px 12px;border-radius:6px;z-index:20}
.skip:focus{top:12px}
.grow{flex:1}
.muted{color:var(--fg-3)}
.wrap{max-width:1080px;margin:0 auto}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:10;margin:0 -16px;padding:0 16px;background:color-mix(in srgb,var(--bg) 80%,transparent);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:32px;height:64px}
.logo{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:17px;letter-spacing:-.03em}
.logo .slot{fill:var(--bg)}
.nav nav{display:flex;gap:24px;font-size:14px;color:var(--fg-2)}
.nav nav a:hover,.foot nav a:hover{color:var(--fg)}
.nav-r{margin-left:auto;display:flex;gap:8px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);background:var(--bg);color:var(--fg);font-weight:500;white-space:nowrap;transition:background .15s,border-color .15s,color .15s}
.btn:hover{background:var(--bg-3)}
.btn.primary{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.btn.primary:hover{background:color-mix(in srgb,var(--fg) 82%,var(--bg))}
.btn.sm{height:32px;padding:0 12px;border-radius:6px;font-size:14px}
.btn.xs{height:28px;padding:0 10px;border-radius:6px;font-size:13px}
.btn.lg{height:48px;padding:0 24px;border-radius:999px;font-size:16px}
.btn:disabled{color:var(--fg-3);cursor:not-allowed;background:var(--bg-2)}
.icon-btn{display:grid;place-items:center;width:32px;height:32px;border-radius:6px;color:var(--fg-2);transition:background .15s,color .15s}
.icon-btn:hover{background:var(--bg-3);color:var(--fg)}
.icon-btn .i-check{display:none;color:var(--ok)}
.icon-btn.done .i-copy{display:none}
.icon-btn.done .i-check{display:block}

/* ---------- frame + crosshairs ---------- */
.frame{border-left:1px solid var(--line);border-right:1px solid var(--line)}
.frame>section{position:relative;border-bottom:1px solid var(--line)}
.x::before,.x2::after{content:"";position:absolute;top:-11px;width:21px;height:21px;z-index:2;pointer-events:none;
  background:linear-gradient(var(--cross),var(--cross)) center/1px 100% no-repeat,linear-gradient(var(--cross),var(--cross)) center/100% 1px no-repeat}
.x::before{left:-11px}
.x2::after{right:-11px}
.hero.x::before,.hero.x2::after{display:none}

/* ---------- hero ---------- */
.hero{padding:88px 24px 72px;text-align:center;overflow:hidden;border-bottom:0!important}
.hero-grid{position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:90px 90px;background-position:-1px -1px;
  -webkit-mask-image:radial-gradient(ellipse 70% 75% at 50% 0%,#000 10%,transparent 75%);mask-image:radial-gradient(ellipse 70% 75% at 50% 0%,#000 10%,transparent 75%)}
.hero>*:not(.hero-grid){position:relative}
.pill{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 10px 0 12px;border:1px solid var(--line);border-radius:999px;background:var(--bg);font-size:13px;color:var(--fg-2);transition:border-color .15s,color .15s}
.pill:hover{border-color:var(--line-2);color:var(--fg)}
.pill .sep{width:1px;height:12px;background:var(--line-2)}
.dot{width:8px;height:8px;border-radius:50%;flex:none}
.dot.amber{background:var(--amber)}
.dot.green{background:var(--ok)}
h1{margin:0 auto;max-width:13em;font-size:clamp(40px,7.4vw,76px);line-height:1;font-weight:600;letter-spacing:-.055em;text-wrap:balance}
.lede{margin:24px auto 0;max-width:620px;font-size:clamp(16px,2vw,20px);line-height:1.5;color:var(--fg-2);text-wrap:pretty}
.cta{margin-top:36px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cmd{margin:28px auto 0;display:inline-flex;align-items:center;gap:10px;max-width:100%;height:40px;padding:0 4px 0 14px;border:1px solid var(--line);border-radius:8px;background:var(--bg);font-size:13px}
.cmd .prompt{font-family:var(--mono);color:var(--fg-3);user-select:none}
.cmd code{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- playground ---------- */
.play{padding:0 24px 56px}
.prism{position:absolute;left:8%;right:8%;top:6%;height:70%;pointer-events:none;opacity:var(--prism);filter:blur(80px);
  background:conic-gradient(from 200deg at 50% 50%,#0070f3,#7928ca,#ff0080,#f5a623,#50e3c2,#0070f3)}
.panel{position:relative;border:1px solid var(--line);border-radius:12px;background:var(--bg);box-shadow:var(--shadow);overflow:hidden;font-size:14px}
.panel-h{display:flex;align-items:center;gap:10px;height:52px;padding:0 16px;border-bottom:1px solid var(--line)}
.avatar{width:20px;height:20px;border-radius:50%;background:conic-gradient(from 140deg,#0070f3,#50e3c2,#7928ca,#0070f3)}
.tok{font-size:12px}
.state{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--fg-2)}
.panel-b{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr)}
.col{padding:20px;min-width:0}
.col+.col{border-left:1px solid var(--line);background:var(--bg-2);display:flex;flex-direction:column}
.label{font:500 12px/1.3 var(--mono);letter-spacing:.02em;text-transform:uppercase;color:var(--fg-3)}
.label.gap{margin-top:24px}
.hint{margin-left:6px;text-transform:none;color:var(--blue);transition:opacity .3s}
.hint.gone{opacity:0}
.field{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;color:var(--fg-2)}
.field.stack{display:block}
.stepper{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:6px;background:var(--bg);overflow:hidden}
.stepper button{width:30px;height:30px;color:var(--fg-2);font-size:16px;line-height:1;transition:background .15s}
.stepper button:hover{background:var(--bg-3);color:var(--fg)}
.stepper output{min-width:56px;text-align:center;font-size:13px;color:var(--fg);border-left:1px solid var(--line);border-right:1px solid var(--line);line-height:30px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.chips button{height:28px;padding:0 10px;border:1px solid var(--line);border-radius:999px;font-size:13px;color:var(--fg-2);background:var(--bg);transition:background .15s,color .15s,border-color .15s}
.chips button:hover{border-color:var(--line-2)}
.chips button[aria-pressed="true"]{background:var(--fg);border-color:var(--fg);color:var(--bg)}
.buys{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}
.buy{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);text-align:left;transition:border-color .15s,background .15s,transform .08s}
.buy:hover{border-color:var(--line-2);background:var(--bg-2)}
.buy:active,.buy.down{transform:scale(.98);border-color:var(--fg)}
.buy b{display:block;font-weight:500;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.buy i{display:block;font:normal 12px/1.4 var(--mono);color:var(--fg-3);white-space:nowrap}
.buy>span:first-child{min-width:0}
.buy .amt{font:500 13px var(--mono)}

.sum{display:flex;align-items:flex-end;justify-content:space-between;gap:16px}
.big{margin-top:6px;font-size:32px;line-height:1;font-weight:600;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.big small{font-size:14px;font-weight:400;letter-spacing:0;color:var(--fg-3)}
.counts{display:flex;gap:20px;text-align:right}
.counts dt{font-size:12px;color:var(--fg-3)}
.counts dd{font:500 16px var(--mono)}
.bar{margin-top:14px;height:6px;border-radius:3px;background:var(--bg-3);overflow:hidden}
.bar i{display:block;height:100%;width:0;border-radius:3px;background:var(--fg);transition:width .35s cubic-bezier(.2,.8,.2,1),background .2s}
.bar i.full{background:var(--no)}
.log{margin-top:10px;min-height:0}
.log li{display:grid;grid-template-columns:8px minmax(0,1fr) auto auto;align-items:center;gap:12px;padding:9px 0;border-top:1px solid var(--line);animation:in .32s cubic-bezier(.2,.8,.2,1)}
.log li:first-child{border-top:0}
@keyframes in{from{transform:translateY(-8px)}to{transform:none}}
.log .dot{background:var(--fg-3)}
.log li.ok .dot{background:var(--ok)}
.log li.no .dot{background:var(--no)}
.log .who b{display:block;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.log .who i{display:block;font:normal 12px/1.4 var(--mono);color:var(--fg-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.log .amt{font:13px var(--mono);font-variant-numeric:tabular-nums}
.badge{display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:999px;font-size:12px;font-weight:500;background:var(--bg-3);color:var(--fg-2)}
.ok .badge{background:var(--ok-bg);color:var(--ok)}
.no .badge{background:var(--no-bg);color:var(--no)}
.empty{padding:28px 0;text-align:center;color:var(--fg-3);font-size:13px}
.req{margin-top:auto;display:flex;align-items:center;gap:10px;min-height:38px;padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);font-size:12px}
.log+.empty+.req,.log+.req{margin-top:auto}
.req .method{font:600 11px var(--mono);color:var(--blue)}
.req code{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--fg-2)}
.foot-note{position:relative;margin:20px auto 0;max-width:640px;text-align:center;font-size:13px;color:var(--fg-3);text-wrap:pretty}
.foot-note.left{margin:0;max-width:none;text-align:left;padding:20px 32px;border-top:1px solid var(--line)}
.foot-note a{color:var(--fg-2);text-decoration:underline;text-decoration-color:var(--line-2);text-underline-offset:3px}
.foot-note a:hover{color:var(--fg)}
.foot-note code{font-size:12px}

/* ---------- sections ---------- */
.head{padding:64px 32px 48px}
h2{max-width:720px;font-size:clamp(22px,3.2vw,32px);line-height:1.2;font-weight:600;letter-spacing:-.04em;color:var(--fg-3);text-wrap:balance}
h2 b{font-weight:600;color:var(--fg)}
.cells{display:grid;border-top:1px solid var(--line)}
.c4{grid-template-columns:repeat(4,1fr)}
.c3{grid-template-columns:repeat(3,1fr)}
.c2{grid-template-columns:repeat(2,1fr)}
.cell{padding:32px;min-width:0}
.cell+.cell{border-left:1px solid var(--line)}
.cell h3{margin-top:16px;font-size:16px;font-weight:600;letter-spacing:-.02em}
.cell p:not(.label){margin-top:6px;font-size:14px;color:var(--fg-2);text-wrap:pretty}
.num{font:500 12px var(--mono);color:var(--fg-3)}
.ic{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.list{margin-top:16px;display:grid;gap:12px;font-size:14px}
.list li{position:relative;padding-left:26px;color:var(--fg-2)}
.list li::before{content:"";position:absolute;left:0;top:3px;width:16px;height:16px;border-radius:50%}
.list.yes li{color:var(--fg)}
.list.yes li::before{background:var(--ok-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4.500 8.300 2.300 2.300 4.700-5' fill='none' stroke='%232a9d4f' stroke-width='1.600' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat}
.list.not li::before{background:var(--bg-3) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M5 8h6' fill='none' stroke='%238f8f8f' stroke-width='1.600' stroke-linecap='round'/%3E%3C/svg%3E") center/16px no-repeat}

.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.split-l{padding:64px 32px}
.split-r{padding:64px 32px;border-left:1px solid var(--line);background:var(--bg-2);display:flex;align-items:center}
.tools{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.tools li{font:12px var(--mono);padding:4px 8px;border:1px solid var(--line);border-radius:6px;color:var(--fg-2);background:var(--bg)}
.code{width:100%;border:1px solid var(--line);border-radius:12px;background:var(--bg);box-shadow:var(--shadow);overflow:hidden}
.code-h{display:flex;align-items:center;gap:4px;height:44px;padding:0 6px 0 8px;border-bottom:1px solid var(--line)}
.code-h [role="tab"]{position:relative;height:44px;padding:0 10px;font-size:13px;color:var(--fg-3);transition:color .15s}
.code-h [role="tab"]:hover{color:var(--fg)}
.code-h [role="tab"][aria-selected="true"]{color:var(--fg)}
.code-h [role="tab"][aria-selected="true"]::after{content:"";position:absolute;left:10px;right:10px;bottom:-1px;height:2px;background:var(--fg)}
.code pre{padding:20px;font-size:13px;line-height:1.7;overflow-x:auto;min-height:196px}
.code .k{color:var(--c-k)}.code .s{color:var(--c-s)}.code .f{color:var(--c-f)}

.final{padding:96px 24px;text-align:center;border-bottom:0!important}
.final h2{max-width:none;font-size:clamp(28px,5vw,48px);letter-spacing:-.05em;color:var(--fg)}
.final p{margin-top:14px;color:var(--fg-2)}

/* ---------- footer ---------- */
.foot{display:flex;align-items:center;gap:24px;padding:24px 0 40px;border-top:1px solid var(--line);font-size:14px;color:var(--fg-2)}
.foot nav{display:flex;flex-wrap:wrap;gap:20px}
.theme{margin-left:auto;display:inline-flex;padding:3px;border:1px solid var(--line);border-radius:999px}
.theme button{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;color:var(--fg-3)}
.theme button:hover{color:var(--fg)}
.theme button[aria-pressed="true"]{background:var(--bg-3);color:var(--fg)}
.theme svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .nav nav{display:none}
  .panel-b{grid-template-columns:1fr}
  .col+.col{border-left:0;border-top:1px solid var(--line)}
  .req{margin-top:16px}
  .c4{grid-template-columns:repeat(2,1fr)}
  .c4 .cell:nth-child(3){border-left:0}
  .c4 .cell:nth-child(n+3){border-top:1px solid var(--line)}
  .c3{grid-template-columns:1fr}
  .c3 .cell+.cell{border-left:0;border-top:1px solid var(--line)}
  .split{grid-template-columns:1fr}
  .split-l{padding:56px 24px 32px}
  .split-r{padding:24px;border-left:0;border-top:1px solid var(--line)}
  .head{padding:56px 24px 40px}
  .cell{padding:24px}
  .foot-note.left{padding:20px 24px}
}
@media (max-width:600px){
  .hero{padding:56px 16px 48px}
  .play{padding:0 12px 40px}
  .c2,.c4{grid-template-columns:1fr}
  .c2 .cell+.cell,.c4 .cell+.cell{border-left:0;border-top:1px solid var(--line)}
  .panel-h .tok,.panel-h .state{display:none}
  .buys{grid-template-columns:1fr}
  .btn.lg{width:100%}
  .cta{flex-direction:column;align-items:stretch}
  .nav-r .btn:not(.primary){padding:0 8px}
  .foot{flex-wrap:wrap}
  .log li{gap:8px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}

/* small-screen polish */
.panel-h b{white-space:nowrap}
.big small{white-space:nowrap}
@media (max-width:600px){
  .big{font-size:28px}
  .log li{grid-template-columns:8px minmax(0,1fr) auto;row-gap:2px}
  .log .who i{white-space:normal}
  .log .amt{grid-column:3;grid-row:1;text-align:right}
  .log .badge{grid-column:3;grid-row:2;justify-self:end}
  .log .who{grid-row:1 / span 2}
  .log .dot{grid-row:1 / span 2}
}