/* Hundred site chrome and page layouts. Tokens and the identity note live in
   tokens.css; this file only uses them. One file for every page, so the home
   page, docs, guides and privacy read as one product. */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--topbar-h) + 12px); }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: var(--t-lg)/var(--leading) var(--font-sans);
  font-kerning: normal; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: var(--ink); text-decoration-color: var(--rule-2); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
@media (min-width: 768px) { .wrap { padding: 0 32px; } }
img, svg { max-width: 100%; }

/* ---- Top bar ------------------------------------------------------------ */
header.top {
  position: sticky; top: 0; z-index: 20; background: var(--topbar-bg);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: var(--topbar-h); }
.mark { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); min-height: 44px; }
.mark svg { width: 26px; height: 26px; flex: none; }
.mark b { font: 650 17px/1 var(--font-mono); font-stretch: var(--wdth-display); letter-spacing: -0.02em; }
.mark span { font: 500 var(--t-xs)/1 var(--font-mono); color: var(--ink-3); letter-spacing: 0.02em; }
header.top nav { display: flex; align-items: center; gap: 4px; }
header.top nav a {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 10px;
  color: var(--ink-2); text-decoration: none; font: 500 var(--t-sm)/1 var(--font-mono);
}
header.top nav a:hover, header.top nav a[aria-current] { color: var(--ink); }
header.top nav a[aria-current] { box-shadow: inset 0 -2px 0 var(--accent); }
header.top nav a.nav-cta {
  margin-left: 6px; padding: 0 14px; min-height: 44px; border-radius: var(--r-md); white-space: nowrap;
  background: var(--ink); color: var(--paper);
}
header.top nav a.nav-cta:hover { background: var(--accent); color: var(--accent-fg); }
@media (max-width: 560px) {
  .mark span { display: none; }
  header.top nav a { padding: 0 8px; }
  header.top nav a.nav-cta { padding: 0 10px; margin-left: 2px; }
}
@media (max-width: 479px) { header.top nav a:not(.nav-cta) { display: none; } }

/* ---- Shared type -------------------------------------------------------- */
h1, h2, .display { font-family: var(--font-mono); font-stretch: var(--wdth-display); letter-spacing: -0.035em; color: var(--ink); }
h1 { font-weight: 640; font-size: var(--t-2xl); line-height: var(--leading-tight); margin: 0 0 14px; text-wrap: balance; }
h2 { font-weight: 620; font-size: var(--t-xl); line-height: 1.2; margin: 0 0 14px; text-wrap: balance; }
h3 { font: 650 var(--t-lg)/1.3 var(--font-sans); margin: 24px 0 8px; }
p, li { color: var(--ink-2); }
p { margin: 0 0 14px; max-width: 70ch; }
ul, ol { margin: 0 0 14px; padding-left: 22px; max-width: 70ch; }
li { margin-bottom: 6px; }
li::marker { color: var(--accent); font-family: var(--font-mono); font-size: var(--t-sm); }
strong { color: var(--ink); font-weight: 650; }
code { font: 450 max(12px, 0.86em)/1.4 var(--font-mono); color: var(--ink); background: var(--paper-2); border: 1px solid var(--rule); border-radius: var(--r-sm); padding: 0 4px; overflow-wrap: anywhere; }
.label {
  font: 600 var(--t-xs)/1.3 var(--font-mono); text-transform: uppercase; letter-spacing: var(--track-label);
  color: var(--ink-3); margin: 0 0 10px; display: flex; align-items: center; gap: 8px;
}
.label::before { content: ""; width: 14px; height: 6px; background: var(--accent); border-radius: 1px; }
.meta { font: 500 var(--t-xs)/1.5 var(--font-mono); color: var(--ink-3); margin: 0 0 22px; }

/* The stamp: the one mark for "not built yet". */
.stamp {
  display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
  font: 700 var(--t-xs)/1 var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--stamp); background: var(--stamp-soft);
  border: 1.5px solid currentColor; border-radius: 3px; padding: 5px 7px 4px;
}
.stamp.solid { background: var(--stamp); color: var(--paper); border-color: var(--stamp); }

/* Code: always a dark terminal card. */
pre {
  margin: 0 0 16px; background: var(--term); color: var(--term-fg);
  border: 1px solid var(--term-rule); border-radius: var(--r-lg);
  padding: 14px 16px; font: 450 var(--t-xs)/1.7 var(--font-mono); overflow-x: auto;
  tab-size: 2; -webkit-overflow-scrolling: touch;
}
pre code { background: none; border: 0; padding: 0; color: inherit; font: inherit; }
pre .c { color: var(--term-dim); }
pre .k { color: var(--term-key); }
pre .s { color: var(--term-str); }
pre .n { color: var(--term-num); }
pre .v { color: var(--term-key); font-weight: 700; }

/* Tables: ledger rows with green bars. */
.tscroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: var(--t-md); margin: 0 0 16px; }
th {
  text-align: left; font: 600 var(--t-xs)/1.3 var(--font-mono); text-transform: uppercase; letter-spacing: var(--track-label);
  color: var(--ink-3); padding: 9px 12px 9px 0; border-bottom: 1.5px solid var(--ink);
}
td { padding: 10px 12px 10px 0; border-bottom: 1px solid var(--rule); vertical-align: top; color: var(--ink-2); }
td:first-child { color: var(--ink); }
table.ledger tbody tr:nth-child(4n+1), table.ledger tbody tr:nth-child(4n+2) { background: var(--bar); }
table.ledger td:first-child, table.ledger th:first-child { padding-left: 10px; }

/* Buttons. */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px;
  background: var(--accent); color: var(--accent-fg); border: 0; border-radius: var(--r-md);
  padding: 0 20px; font: 650 var(--t-sm)/1 var(--font-mono); letter-spacing: 0.01em;
  text-decoration: none; cursor: pointer; box-shadow: 0 1px 0 rgb(0 0 0 / 0.15), inset 0 -2px 0 rgb(0 0 0 / 0.18);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.btn:hover { background: var(--accent-2); transform: translateY(-1px); }
.btn .arrow { font-weight: 400; }
.link-arrow { font: 600 var(--t-sm)/1 var(--font-mono); color: var(--ink); text-decoration: none; display: inline-flex; align-items: center; min-height: 44px; gap: 6px; }
.link-arrow:hover { color: var(--accent); }

/* Status banner (docs, guides). */
.status {
  display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center;
  margin: 18px 0 0; padding: 12px 14px; border: 1px dashed var(--rule-2); border-radius: var(--r-lg);
  background: var(--paper-2); font-size: var(--t-md); color: var(--ink-2);
}
.status span:not(.stamp) { flex: 1 1 280px; }

/* Sections and CTA strip. */
section { padding: 28px 0; border-bottom: 1px solid var(--rule); }
section:last-child { border-bottom: 0; }
.cta {
  margin: 12px 0 0; padding: 22px; display: flex; gap: 16px 24px; align-items: center; justify-content: space-between; flex-wrap: wrap;
  background: repeating-linear-gradient(180deg, var(--bar) 0 var(--bar-h), transparent var(--bar-h) calc(var(--bar-h) * 2));
  border: 1px solid var(--rule); border-radius: var(--r-lg);
}
.cta p { margin: 0; color: var(--ink); flex: 1 1 320px; font-weight: 500; }

/* Footer: the non-affiliation line on every page. */
footer.site {
  margin-top: 48px; padding: 26px 0 44px; border-top: 1px solid var(--rule); color: var(--ink-3); font-size: var(--t-sm);
  background-image: radial-gradient(circle, var(--hole) 3.5px, transparent 4px);
  background-size: 22px 22px; background-repeat: repeat-x; background-position: 8px 8px;
}
footer.site .wrap { padding-top: 22px; display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
footer.site p { margin: 0; color: var(--ink-3); max-width: 80ch; font-size: var(--t-sm); }
footer.site a { color: var(--ink-2); }

/* ---- Article pages (guides, privacy) ------------------------------------ */
.article-wrap { display: grid; grid-template-columns: minmax(0, 1fr); }
article { max-width: 780px; padding: 36px 0 8px; }
article > h1 { font-size: clamp(26px, 3.4vw, 38px); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.two > * { min-width: 0; }
@media (max-width: 760px) { .two { grid-template-columns: 1fr; } }

.guide-list { border-top: 1.5px solid var(--ink); }
.guide-list a {
  display: grid; grid-template-columns: 44px 1fr; gap: 4px 12px; padding: 16px 10px; text-decoration: none;
  border-bottom: 1px solid var(--rule);
}
.guide-list a:nth-child(odd) { background: var(--bar); }
.guide-list i { grid-row: span 2; font: 600 var(--t-sm)/1.6 var(--font-mono); font-style: normal; color: var(--accent); }
.guide-list b { color: var(--ink); font-weight: 650; }
.guide-list span { color: var(--ink-2); font-size: var(--t-md); }
.guide-list a:hover b { text-decoration: underline; text-decoration-color: var(--accent); }

/* ---- Docs --------------------------------------------------------------- */
.docs { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 44px; }
.rail {
  position: sticky; top: var(--topbar-h); align-self: start; padding: 26px 0; max-height: calc(100vh - var(--topbar-h));
  overflow-y: auto; font-size: var(--t-md);
}
.rail p { margin: 16px 0 4px; font: 600 var(--t-xs)/1.3 var(--font-mono); text-transform: uppercase; letter-spacing: var(--track-label); color: var(--ink-3); }
.rail a { display: block; color: var(--ink-2); text-decoration: none; padding: 3px 0 3px 10px; border-left: 2px solid var(--rule); }
.rail a:hover { color: var(--ink); border-left-color: var(--accent); }
.docs main { padding-top: 8px; }
.docs pre { position: relative; }
.ep { font: 500 var(--t-xs) var(--font-mono); color: var(--ink); overflow-wrap: anywhere; }
table.eps td:first-child { width: 46%; }
.verb { display: inline-block; min-width: 52px; font: 700 var(--t-xs) var(--font-mono); color: var(--accent); }
.diagram { overflow-x: auto; margin: 8px 0 16px; }
.diagram svg { display: block; width: 100%; min-width: 720px; height: auto; }
.diagram svg text { font-family: var(--font-mono); }
@media (max-width: 860px) {
  .docs { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .rail { position: static; max-height: none; border-bottom: 1px solid var(--rule); padding: 14px 0; columns: 2; column-gap: 16px; }
  .rail p { break-after: avoid; }
  .rail a { min-height: 32px; }
}

/* ---- Thanks ------------------------------------------------------------- */
.thanks { max-width: 640px; padding: 72px 0 24px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Every sample on the docs page carries the stamp: it is a design, not a live call. */
.docs main pre { padding-top: 34px; }
.docs main pre::before {
  content: "planned \00b7  not callable"; position: absolute; top: 9px; left: 16px;
  font: 700 var(--t-xs)/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: #ff8a5c;
}