/* Same visual language as the app: ink on paper, Verdana + monospace, 3px rules, offset slab shadows. */
:root {
  --ink: #000;
  --paper: #fff;
  --muted: #737373;
  --wash: #f0f0f0;
  --link: #0000ee;
  --border: 3px;
  --shadow: 6px;
  --ui: Verdana, "DejaVu Sans", "Bitstream Vera Sans", Geneva, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #fff; --paper: #000; --muted: #9e9e9e; --wash: #212121; --link: #859eff;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.55 var(--ui);
}
.wrap { max-width: 760px; margin: 0 auto; padding: 24px 16px 48px; }

/* Header: name, chips, 3px rule — like the app's home header. */
.top { display: flex; align-items: baseline; gap: 10px; }
.brand { font-weight: bold; font-size: 15px; color: var(--ink); text-decoration: none; display: flex; align-items: center; gap: 8px; }
.brand img { width: 22px; height: 22px; border-radius: 5px; align-self: center; }
.top .spacer { flex: 1; }
.chip {
  font: bold 11px var(--mono); letter-spacing: .02em; text-transform: uppercase;
  padding: 2px 6px; border: 2px solid var(--ink); color: var(--ink); text-decoration: none;
}
.chip.filled { background: var(--ink); color: var(--paper); }
.rule { height: var(--border); background: var(--ink); margin: 8px 0 0; }

nav.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 0; }
nav.tabs a { font: bold 12px var(--mono); text-transform: uppercase; color: var(--ink); text-decoration: none; border: 2px solid var(--ink); padding: 4px 8px; }
nav.tabs a[aria-current="page"] { background: var(--ink); color: var(--paper); }

/* Slabs: the two big numbered blocks of the app. */
.slabs { display: grid; gap: 18px; margin: 28px var(--shadow) 0 0; }
@media (min-width: 640px) { .slabs { grid-template-columns: 1fr 1fr; } }
.slab {
  position: relative; min-height: 210px; padding: 16px 20px 20px;
  border: var(--border) solid var(--ink); background: var(--paper);
  box-shadow: var(--shadow) var(--shadow) 0 var(--ink);
  display: flex; flex-direction: column; justify-content: flex-end;
}
.slab.filled { background: var(--ink); color: var(--paper); box-shadow: none; }
/* Ink on ink would vanish, so the filled slab casts an outlined shadow — as in the app. */
.slab.filled::after {
  content: ""; position: absolute; z-index: -1;
  top: calc(var(--shadow) - var(--border)); left: calc(var(--shadow) - var(--border));
  right: calc(-1 * var(--shadow) - var(--border)); bottom: calc(-1 * var(--shadow) - var(--border));
  border: 2px solid var(--ink); background: var(--paper);
}
.slab .step {
  position: absolute; top: 12px; left: 12px; width: 26px; height: 26px;
  display: grid; place-items: center; font: bold 14px var(--mono);
  background: var(--ink); color: var(--paper);
}
.slab.filled .step { background: var(--paper); color: var(--ink); }
.slab .title { font-weight: bold; font-size: clamp(30px, 8vw, 42px); line-height: 1.05; text-transform: uppercase; letter-spacing: -.01em; }

/* Panels: the app's STATUS panel. */
.panel { border: 2px solid var(--ink); margin: 28px 0 0; }
.panel > .label { background: var(--ink); color: var(--paper); font: bold 12px var(--mono); text-transform: uppercase; padding: 4px 10px; }
.panel > .body { padding: 12px 14px 14px; }
.panel > .body > :first-child { margin-top: 0; }
.panel > .body > :last-child { margin-bottom: 0; }

.lede { font-size: 18px; margin: 28px 0 0; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }
a { color: var(--link); }

pre.json {
  margin: 0; padding: 14px; overflow-x: auto; background: var(--wash);
  font: 13px/1.5 var(--mono);
}
pre.json .k { font-weight: bold; }

ul.ticks { list-style: none; padding: 0; margin: 0; }
ul.ticks li { padding: 8px 0 8px 22px; position: relative; border-top: 1px solid var(--wash); }
ul.ticks li:first-child { border-top: 0; }
ul.ticks li::before { content: "■"; position: absolute; left: 0; top: 8px; font-size: 11px; }

.store {
  display: inline-block; margin-top: 28px; padding: 12px 18px;
  border: var(--border) solid var(--ink); box-shadow: var(--shadow) var(--shadow) 0 var(--ink);
  font: bold 14px var(--mono); text-transform: uppercase; color: var(--ink); text-decoration: none;
}
.store.soon { box-shadow: none; border-style: dashed; color: var(--muted); border-color: var(--muted); }

/* Long-form legal text. */
.doc h1 { font-size: clamp(26px, 6vw, 34px); line-height: 1.15; margin: 28px 0 4px; }
.doc .updated { font: 12px var(--mono); color: var(--muted); margin: 0 0 20px; }
.doc h2 { font: bold 13px var(--mono); text-transform: uppercase; background: var(--ink); color: var(--paper); display: inline-block; padding: 3px 8px; margin: 30px 0 6px; }
.doc p, .doc li { max-width: 68ch; }
.doc table { border-collapse: collapse; width: 100%; font-size: 14px; margin: 10px 0; }
.doc th, .doc td { border: 2px solid var(--ink); padding: 8px 10px; text-align: left; vertical-align: top; }
.doc th { font: bold 12px var(--mono); text-transform: uppercase; background: var(--wash); }
.table-scroll { overflow-x: auto; }

details { border-top: 2px solid var(--ink); padding: 10px 0; }
details:last-of-type { border-bottom: 2px solid var(--ink); }
summary { cursor: pointer; font-weight: bold; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::before { content: "+ "; font-family: var(--mono); }
details[open] summary::before { content: "− "; }
details p { margin: 8px 0 0 22px; }

footer { margin-top: 48px; padding-top: 10px; border-top: var(--border) solid var(--ink); font: 12px var(--mono); color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px 16px; }
footer a { color: var(--muted); }
footer .spacer { flex: 1; }

:focus-visible { outline: 3px solid var(--link); outline-offset: 2px; }