@font-face{font-family:"Geist";src:url("/assets/geist-latin.woff2") format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Fredoka";src:url("/assets/fredoka-bold.ttf") format("truetype");font-weight:700;font-display:swap}

:root{
  --bg:#FFFFFF; --tint:#F4F8F6; --card:#FFFFFF;
  --ink:#0F1A14; --pencil:#59645D; --rule:#E2E8E4;
  --mint:#29D58B; --mint-hover:#3BE39C; --mint-soft:rgba(41,213,139,.30); --mint-ink:#0B7A4A;
  --focus:#0B7A4A;
  --sans:"Geist",system-ui,sans-serif; --hand:"Fredoka","Geist",sans-serif;
  --ease:cubic-bezier(.22,.8,.24,1);
  --head:rgba(255,255,255,.78); --foot:rgba(255,255,255,.85);
  --dot-c:#D7DED9; --line-c:#CBD3CE; --keyshadow:#D9E0DB; --keydown:#E9FBF2;
  --done-border:#BFEBD5; --done-bg:#F3FCF7; --track:#E1E8E4; --periods:#E6F4EC; --hover:#F0FCF6;
}
html[data-theme="dark"]{
  color-scheme:dark;
  /* Near-black, mostly neutral greys with only a faint green cast; mint stays the accent. */
  --bg:#0A0C0B; --tint:#111413; --card:#151817;
  --ink:#ECF0EE; --pencil:#9BA39F; --rule:#232826;
  --mint-soft:rgba(41,213,139,.18); --mint-ink:#46E39A; --focus:#46E39A;
  --head:rgba(10,12,11,.8); --foot:rgba(10,12,11,.88);
  --dot-c:#2C312F; --line-c:#363C39; --keyshadow:#050606; --keydown:rgba(41,213,139,.12);
  --done-border:rgba(41,213,139,.38); --done-bg:rgba(41,213,139,.06); --track:#262B29; --periods:rgba(41,213,139,.10); --hover:rgba(41,213,139,.06);
}

html[data-theme="dark"] .logo{box-shadow:0 0 0 1px rgba(255,255,255,.14)}
html[data-theme="dark"] .window,html[data-theme="dark"] .plan,html[data-theme="dark"] .try .sheet{box-shadow:none}
.theme{display:flex;align-items:center;gap:8px;background:none;border:0;cursor:pointer;color:var(--ink);padding:6px;border-radius:999px}
.theme svg{width:19px;height:19px}
.sw{position:relative;width:40px;height:24px;border-radius:999px;background:var(--track);transition:background-color .2s}
.sw i{position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.25);transition:transform .25s var(--ease)}
.theme[aria-checked="true"] .sw{background:var(--mint)}
.theme[aria-checked="true"] .sw i{transform:translateX(16px)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:8px}
img{max-width:100%;display:block}
.wrap{width:min(1160px,100% - 32px);margin:0 auto}
.logo{border-radius:24%;background:#000;flex:none}

/* Mouse-reactive graph paper, drawn on a fixed canvas behind everything. */
#bg{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}

/* Header */
.top{position:sticky;top:0;z-index:20;background:var(--head);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .2s}
.top.scrolled{border-color:var(--rule)}
.top .wrap{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.03em;text-decoration:none}
.brand .logo{width:36px;height:36px}
.top nav{display:flex;gap:26px;margin-left:auto;font-size:15px;color:var(--pencil)}
.top nav a{text-decoration:none}.top nav a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:0;border-radius:12px;font:600 16px/1 var(--sans);text-decoration:none;cursor:pointer;padding:14px 20px;white-space:nowrap;transition:background-color .15s,transform .15s var(--ease),box-shadow .15s}
.btn:active{transform:scale(.97)}
.btn-mint{background:var(--mint);color:#000}
.btn-mint:hover{background:var(--mint-hover)}
.btn-line{background:var(--card);color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--rule)}
.btn-line:hover{box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn .chrome{width:20px;height:20px}
.top .btn{padding:11px 16px;font-size:15px}

footer{border-top:1px solid var(--rule);padding:30px 0 40px;font-size:14px;color:var(--pencil);background:var(--foot)}
footer .wrap{display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
footer .brand{font-size:16px}footer .brand .logo{width:28px;height:28px}
footer nav{display:flex;flex-wrap:wrap;gap:20px}

/* Legal pages: a document switch, a sticky contents list beside the text, a reading-progress line. */
.readbar{position:fixed;left:0;right:0;top:68px;height:2px;z-index:21;background:transparent;pointer-events:none}
.readbar i{display:block;height:100%;background:var(--mint);transform-origin:left;transform:scaleX(var(--p,0))}
.lhead{padding:56px 0 34px;max-width:760px}
.docs{display:inline-grid;grid-template-columns:1fr 1fr;gap:4px;padding:5px;border-radius:14px;background:var(--tint);border:1px solid var(--rule);margin-bottom:30px}
.docs a{padding:9px 16px;border-radius:10px;text-decoration:none;font-size:15px;font-weight:600;color:var(--pencil);text-align:center;white-space:nowrap}
.docs a:hover{color:var(--ink)}
.docs a[aria-current="page"]{background:var(--card);color:var(--ink);box-shadow:0 2px 8px rgba(15,26,20,.12)}
.lhead h1{font-size:clamp(38px,5vw,60px);line-height:1.02;letter-spacing:-.045em;font-weight:780;margin:0 0 12px}
.updated{display:inline-flex;align-items:center;gap:8px;margin:0 0 22px;font-size:14px;color:var(--pencil)}
.updated::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--mint)}
.lede{font-size:19px;line-height:1.6;color:var(--pencil);margin:0}
.lede a,.doc a{color:var(--mint-ink);text-underline-offset:3px}
.lgrid{display:grid;grid-template-columns:240px minmax(0,1fr);gap:56px;align-items:start;padding-bottom:100px}
.toc{position:sticky;top:96px;max-height:calc(100vh - 120px);overflow:auto;padding-right:6px}
.toc p{margin:0 0 10px;font-size:14px;font-weight:650;color:var(--ink)}
.toc ol{list-style:none;margin:0;padding:0;display:grid;gap:2px;border-left:1.5px solid var(--rule)}
.toc a{display:flex;gap:10px;margin-left:-1.5px;padding:7px 12px;border-left:1.5px solid transparent;font-size:14px;line-height:1.35;color:var(--pencil);text-decoration:none;transition:color .2s,border-color .2s,background-color .2s}
.toc a span{flex:none;width:18px;font-variant-numeric:tabular-nums;color:var(--line-c);font-weight:600}
.toc a:hover{color:var(--ink)}
.toc a.on{color:var(--ink);border-left-color:var(--mint);background:linear-gradient(90deg,var(--hover),transparent)}
.toc a.on span{color:var(--mint-ink)}
.doc{min-width:0;max-width:720px;font-size:16.5px;line-height:1.7}
.doc section{scroll-margin-top:96px}
.short{border-radius:22px;padding:26px 28px;background:var(--card);border:2px solid var(--mint);box-shadow:0 0 0 6px var(--mint-soft);margin-bottom:56px}
.short h2{margin:0 0 14px;font-size:20px;letter-spacing:-.02em}
.short ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.short li{display:flex;gap:12px}
.short li::before{content:"";flex:none;width:14px;height:8px;margin-top:8px;border-left:2.5px solid var(--mint-ink);border-bottom:2.5px solid var(--mint-ink);transform:rotate(-45deg)}
.part{display:grid;grid-template-columns:44px minmax(0,1fr);column-gap:18px;padding:30px 0;border-top:1px solid var(--rule)}
.part .no{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:var(--tint);border:1px solid var(--rule);font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;color:var(--pencil);transition:background-color .3s,color .3s,border-color .3s}
.part.on .no{background:var(--mint);border-color:var(--mint);color:#000}
.part h2{position:relative;margin:4px 0 12px;font-size:23px;line-height:1.25;letter-spacing:-.02em;font-weight:680}
.part h2 a.hash{position:absolute;left:-1.1em;padding-right:.3em;color:var(--line-c);text-decoration:none;opacity:0;transition:opacity .15s}
.part h2:hover a.hash,.part h2 a.hash:focus-visible{opacity:1}
.part p{margin:0 0 14px;color:var(--pencil)}
.part ul{margin:0 0 14px;padding:0;list-style:none;display:grid;gap:12px}
.part li{position:relative;padding-left:20px;color:var(--pencil)}
.part li::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--mint)}
.part strong{color:var(--ink);font-weight:650}
.doc code{font-size:.88em;padding:2px 6px;border-radius:6px;background:var(--tint);border:1px solid var(--rule)}
.contact{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:12px;margin:6px 0 16px}
.contact > div{display:flex;gap:12px;align-items:flex-start;padding:16px;border-radius:16px;background:var(--card);border:1px solid var(--rule)}
.contact svg{flex:none;width:22px;height:22px;margin-top:2px;fill:none;stroke:var(--mint-ink);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.contact b{display:block;font-size:13px;font-weight:600;color:var(--pencil)}
.contact span{color:var(--ink);overflow-wrap:break-word}
.contact a{color:var(--ink)}
.toc-m{display:none}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media (max-width:900px){
  .lgrid{grid-template-columns:1fr;gap:0}
  .toc{display:none}
  .toc-m{display:block;margin:0 0 28px;border:1px solid var(--rule);border-radius:14px;background:var(--card)}
  .toc-m summary{padding:14px 18px;font-weight:650;cursor:pointer}
  .toc-m ol{margin:0;padding:0 18px 14px 40px;display:grid;gap:6px;font-size:15px}
  .toc-m a{color:var(--pencil);text-decoration:none}
  .lhead{padding:36px 0 24px}
  .part{grid-template-columns:1fr;row-gap:10px}
  .part h2 a.hash{display:none}
  .short{padding:22px 20px}
  .top nav{display:none}
  .top .btn{margin-left:auto}
}
@media (max-width:480px){.top .lbl{display:none}.top .head-cta{padding:10px}}