/* Qora docs — layout and typography for docs.html only.
   Uses the design tokens defined on :root in qora.css; no colours of its own. */

html { height: auto; overflow-y: auto; scroll-behavior: smooth; scroll-padding-top: 80px; }
.d-page {
  display: block; height: auto; min-height: 100%; overflow: visible; margin: 0;
  background: var(--bg); color: var(--ink);
  font: 400 15px/1.7 var(--sans);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
.d-page *, .d-page *::before, .d-page *::after { box-sizing: border-box; }
.d-page a { color: var(--accent-ink); text-decoration: none; }
.d-page a:hover { text-decoration: underline; text-underline-offset: 3px; }
.d-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* ---------- top bar ---------- */
.d-top {
  position: sticky; top: 0; z-index: 30; height: 56px;
  display: flex; align-items: center; gap: 10px; padding: 0 24px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(12px); -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}
.d-page .d-brand { display: inline-flex; align-items: center; gap: 9px; min-height: 40px; color: var(--ink); }
.d-page a.d-brand:hover { text-decoration: none; }
.d-brand svg { color: var(--ink); flex: none; }
.d-word { font-weight: 600; font-size: 17px; letter-spacing: -.02em; }
.d-tag {
  font: 500 10px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3);
  border: 1px solid var(--line-2); padding: 4px 7px 3px;
}
.d-nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.d-nav a {
  display: inline-flex; align-items: center; min-height: 36px; padding: 0 12px;
  border-radius: var(--radius-sm); font-size: 13.5px; font-weight: 500; color: var(--ink-2);
  transition: background .15s ease, color .15s ease;
}
.d-page .d-nav a:hover { text-decoration: none; background: var(--bg-3); color: var(--ink); }
.d-page .d-nav a.d-btn { background: var(--bg-ink); color: var(--on-accent); }
.d-page .d-nav a.d-btn:hover { background: color-mix(in srgb, var(--bg-ink) 85%, var(--bg)); }

/* ---------- layout ---------- */
.d-wrap {
  display: grid; grid-template-columns: 208px minmax(0, 720px); gap: 80px;
  justify-content: center; max-width: 1120px; margin: 0 auto; padding: 64px 24px 96px;
}

/* ---------- table of contents ---------- */
.d-toc { position: sticky; top: 96px; align-self: start; max-height: calc(100vh - 120px); overflow: auto; }
.d-toc summary { display: none; }
.d-toc-label, .d-eyebrow, .d-k, .d-meta, .d-band span, .d-steps .n, .d-steps .io, .d-steps .who,
.d-facts dt, .d-chip, .d-run-meta, .d-th {
  font-family: var(--mono); font-weight: 500; letter-spacing: .12em; text-transform: uppercase;
}
.d-toc-label { display: block; font-size: 10.5px; color: var(--ink-3); margin: 0 0 12px 16px; }
.d-toc ol { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.d-toc li a {
  display: flex; align-items: baseline; gap: 12px; margin-left: -1px; padding: 5px 10px 5px 15px;
  border-left: 2px solid transparent; color: var(--ink-3); font-size: 13.5px; line-height: 1.5;
  transition: color .15s ease, border-color .15s ease;
}
.d-toc li a .n { font: 500 10.5px var(--mono); color: var(--ink-4); letter-spacing: .06em; }
.d-page .d-toc li a:hover { text-decoration: none; color: var(--ink); }
.d-toc li a[aria-current] { color: var(--ink); border-left-color: var(--accent); }
.d-toc li a[aria-current] .n { color: var(--accent); }
.d-toc-current { color: var(--ink); }

/* ---------- content ---------- */
.d-main { min-width: 0; }
.d-sec { padding: 64px 0; border-top: 1px solid var(--line); }
.d-sec:first-child { padding-top: 0; border-top: 0; }
.d-main .d-eyebrow { font-size: 10.5px; line-height: 1; color: var(--ink-3); margin: 0 0 16px; }
.d-eyebrow b { color: var(--accent); font-weight: 500; margin-right: 6px; }
.d-main h1 { font-size: 44px; line-height: 1.06; letter-spacing: -.035em; font-weight: 600; margin: 0 0 20px; color: var(--ink); }
.d-main h2 { font-size: 28px; line-height: 1.18; letter-spacing: -.025em; font-weight: 600; margin: 0 0 16px; color: var(--ink); }
.d-main h3 { font-size: 15.5px; line-height: 1.4; letter-spacing: -.01em; font-weight: 600; margin: 0 0 6px; color: var(--ink); }
.d-main h4 { font-size: 13.5px; font-weight: 600; margin: 32px 0 10px; color: var(--ink); }
.d-main p { margin: 0 0 14px; color: var(--ink-2); }
.d-main strong { color: var(--ink); font-weight: 600; }
.d-lead { font-size: 18px; line-height: 1.6; letter-spacing: -.005em; }
.d-main p.d-lead { color: var(--ink-2); max-width: 640px; }
.d-main code {
  font: 400 .86em var(--mono); color: var(--ink); background: var(--bg-3);
  padding: .12em .38em;
}
.d-main pre {
  margin: 0 0 16px; padding: 16px 18px; overflow-x: auto;
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-sm);
  font: 400 12.5px/1.7 var(--mono); color: var(--ink-2);
}
.d-main pre code { background: none; padding: 0; font-size: inherit; color: inherit; }
.d-ph { color: var(--accent-ink); }
.d-cm { color: var(--ink-3); }
.d-meta { font-size: 10.5px; line-height: 1.6; color: var(--ink-3); }
.d-main p.d-meta { color: var(--ink-3); margin: 0; }

/* lists with hollow qubit bullets */
.d-list { list-style: none; margin: 0 0 16px; padding: 0; }
.d-list li { position: relative; padding-left: 22px; margin: 0 0 10px; color: var(--ink-2); }
.d-list li::before {
  content: ""; position: absolute; left: 3px; top: .62em; width: 7px; height: 7px;
  border: 1.5px solid var(--ink-4);
}

/* ---------- overview facts ---------- */
.d-facts {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin: 32px 0 36px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.d-facts div { background: var(--bg); padding: 16px 18px; }
.d-facts dt { font-size: 10px; color: var(--ink-3); }
.d-facts dd { margin: 8px 0 0; font-size: 14px; font-weight: 500; letter-spacing: -.01em; color: var(--ink); }

/* ---------- pipeline flow ---------- */
.d-flow { margin: 32px 0 40px; }
.d-band { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); margin-bottom: 10px; }
.d-band span { font-size: 10px; text-align: center; color: var(--ink-3); }
.d-band span::after {
  content: ""; display: block; height: 7px; margin: 7px 12px 0;
  border: 1px solid var(--line-2); border-bottom: 0;
}
.d-band .is-ai { color: var(--accent-ink); }
.d-band .is-ai::after { border-color: var(--accent); }
.d-band .is-sim { grid-column: 2 / 5; }
.d-steps {
  list-style: none; margin: 0; padding: 0; position: relative; overflow: hidden;
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-1);
}
.d-steps li { position: relative; padding: 16px 16px 18px; }
.d-steps li + li { border-left: 1px solid var(--line); }
.d-steps li + li::before {
  content: ""; position: absolute; left: -5px; top: 50%; width: 8px; height: 8px;
  background: var(--bg); border-top: 1px solid var(--line-2); border-right: 1px solid var(--line-2);
  transform: translateY(-50%) rotate(45deg);
}
.d-steps .n { display: block; font-size: 10.5px; color: var(--ink-4); }
.d-steps b { display: block; margin: 8px 0 3px; font-size: 14.5px; font-weight: 600; letter-spacing: -.01em; color: var(--ink); }
.d-steps .io { display: block; font-size: 10px; letter-spacing: .06em; text-transform: none; color: var(--ink-3); }
.d-steps .who { display: none; }
.d-steps::after {
  content: ""; position: absolute; top: 0; left: 0; width: 22%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: d-sweep 5.5s cubic-bezier(.5, 0, .5, 1) infinite;
}
@keyframes d-sweep { from { transform: translateX(-100%); } to { transform: translateX(460%); } }
.d-flow figcaption { margin-top: 12px; font-size: 13px; color: var(--ink-3); }

/* stage details */
.d-stages { list-style: none; margin: 0 0 20px; padding: 0; }
.d-stages li { display: grid; grid-template-columns: 44px minmax(0, 1fr); padding: 20px 0; border-top: 1px solid var(--line); }
.d-stages li:last-child { border-bottom: 1px solid var(--line); }
.d-stages .d-num { font: 500 11px/1.9 var(--mono); color: var(--accent); letter-spacing: .06em; }
.d-stages p { margin-bottom: 8px; }
.d-chip {
  display: inline-block; vertical-align: 2px; margin-left: 8px; padding: 3px 7px 2px;
  font-size: 9.5px; line-height: 1.3; color: var(--ink-3);
  border: 1px solid var(--line-2);
}
.d-chip.is-ai { color: var(--accent-ink); background: var(--accent-soft); border-color: transparent; }
.d-chip.is-live { color: var(--ok); border-color: currentColor; }

/* ---------- example run card ---------- */
.d-run { margin: 36px 0 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); box-shadow: var(--shadow-1); overflow: hidden; }
.d-run-head {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px 12px; padding: 12px 18px;
  background: var(--bg-2); border-bottom: 1px solid var(--line);
}
.d-run-head strong { font: 500 11px var(--mono); letter-spacing: .12em; color: var(--ink); }
.d-run-meta { font-size: 10px; color: var(--ink-3); }
.d-run-head .d-run-meta:last-child { margin-left: auto; }
.d-row { display: grid; grid-template-columns: 116px minmax(0, 1fr); gap: 16px; padding: 16px 18px; }
.d-row + .d-row { border-top: 1px solid var(--line); }
.d-k { font-size: 10px; line-height: 2.1; color: var(--ink-3); }
.d-k b { color: var(--accent); font-weight: 500; margin-right: 4px; }
.d-row p:last-child, .d-row pre:last-child { margin-bottom: 0; }
.d-main p.d-q {
  display: inline-block; margin: 0; padding: 9px 14px; border-radius: var(--radius) var(--radius) var(--radius-xs) var(--radius);
  background: var(--bg-3); color: var(--ink); font-size: 14px; line-height: 1.55;
}
.d-main p.d-plan { font: 400 12.5px/1.7 var(--mono); color: var(--ink-2); margin: 0; }
.d-hist { display: flex; align-items: flex-end; gap: 10px; height: 132px; padding-top: 22px; }
.d-bar { flex: 1; max-width: 72px; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; }
.d-bar i { display: block; width: 100%; height: max(2px, calc(var(--p) * 100%)); background: var(--line-2); }
.d-bar.is-top i { background: var(--accent); }
.d-bar span, .d-bar em { font: 500 10.5px/1 var(--mono); color: var(--ink-3); }
.d-bar span { margin-top: 8px; }
.d-bar em { font-style: normal; color: var(--accent-ink); margin-bottom: 6px; }
.d-run figcaption { padding: 14px 18px; border-top: 1px solid var(--line); background: var(--bg-2); font-size: 13px; line-height: 1.6; color: var(--ink-3); }

/* ---------- generic tables ---------- */
.d-table { width: 100%; border-collapse: collapse; margin: 8px 0 20px; font-size: 14px; }
.d-table th, .d-table td { text-align: left; vertical-align: top; padding: 12px 16px 12px 0; border-bottom: 1px solid var(--line); }
.d-table thead th { padding-top: 0; }
.d-th { font-size: 10px; color: var(--ink-3); }
.d-table tbody th { font-weight: 500; color: var(--ink); width: 34%; }
.d-table td { color: var(--ink-2); }
.d-table td code { margin: 0 2px 4px 0; display: inline-block; }

/* ---------- comparison, steps, model rows, token ---------- */
.d-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 24px 0 28px; }
.d-card { padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); }
.d-card.is-here { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.d-card h3 { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
.d-card .d-list { margin: 0; }
.d-card .d-list li { font-size: 14px; margin-bottom: 6px; }

.d-track { list-style: none; margin: 28px 0 32px; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.d-track li { padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius); }
.d-track .d-num { display: inline-grid; place-items: center; width: 26px; height: 26px; margin-bottom: 12px; border: 1px solid var(--accent); color: var(--accent-ink); font: 500 10.5px var(--mono); }
.d-track li:last-child .d-num { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.d-track p { font-size: 14px; margin: 0; }

.d-wallets { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 0; padding: 0; list-style: none; }
.d-wallets li { padding: 7px 14px; border: 1px solid var(--line-2); font-size: 13.5px; font-weight: 500; color: var(--ink); }

.d-models { list-style: none; margin: 24px 0 20px; padding: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.d-models li { display: grid; grid-template-columns: 12px minmax(0, 1fr) auto; align-items: center; gap: 14px; padding: 16px 18px; }
.d-models li + li { border-top: 1px solid var(--line); }
.d-models li.is-off { background: var(--bg-2); }
.d-models li.is-off h3, .d-models li.is-off p { color: var(--ink-3); }
.d-models h3 { margin: 0; }
.d-models p { margin: 2px 0 0; font-size: 13.5px; }
.d-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--line-2); }
.d-dot.is-live { background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 18%, transparent); }

.d-token { margin: 24px 0; padding: 22px 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-2); }
.d-token .d-eyebrow { margin-bottom: 10px; }
.d-token .d-token-name { margin: 0 0 18px; font-size: 26px; font-weight: 600; letter-spacing: -.025em; color: var(--ink); }
.d-token dl { margin: 0; }
.d-token dt { font: 500 10px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.d-token dd { margin: 6px 0 0; font: 500 13.5px/1.5 var(--mono); color: var(--ink); overflow-wrap: anywhere; user-select: all; }
.d-token a { display: inline-block; margin-top: 16px; font-size: 13.5px; font-weight: 500; }

/* ---------- footer + small print ---------- */
.d-foot { padding-top: 40px; border-top: 1px solid var(--line); }
.d-foot nav { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 18px; font-size: 13.5px; }
.d-foot nav .d-brand { margin-right: auto; }
.d-page .d-foot nav a:not(.d-brand) { color: var(--ink-3); }

/* ---------- responsive ---------- */
@media (max-width: 820px) {
  html { scroll-padding-top: 116px; }
  .d-top { padding: 0 16px; }
  .d-wrap { grid-template-columns: minmax(0, 1fr); gap: 0; padding: 0 16px 72px; }
  .d-toc {
    top: 56px; z-index: 20; max-height: none; overflow: visible;
    margin: 0 -16px; padding: 0 16px; background: var(--bg); border-bottom: 1px solid var(--line);
  }
  .d-toc summary {
    display: flex; align-items: center; gap: 10px; min-height: 48px; cursor: pointer; list-style: none;
    font-size: 13.5px; font-weight: 500; color: var(--ink);
  }
  .d-toc summary::-webkit-details-marker { display: none; }
  .d-toc summary .d-toc-label { margin: 0; }
  .d-toc summary svg { margin-left: auto; color: var(--ink-3); transition: transform .2s ease; }
  .d-toc[open] summary svg { transform: rotate(180deg); }
  .d-toc > .d-toc-label { display: none; }
  .d-toc ol { max-height: 60vh; overflow: auto; margin-bottom: 12px; }
  .d-toc li a { min-height: 40px; align-items: center; }
  .d-nav a, .d-foot nav a, .d-token a { min-height: 40px; display: inline-flex; align-items: center; }
  .d-main { padding-top: 40px; }
  .d-sec { padding: 52px 0; }
  .d-main h1 { font-size: 34px; }
  .d-main h2 { font-size: 24px; }
  .d-lead { font-size: 16.5px; }
}
@media (max-width: 640px) {
  .d-tag { display: none; }
  .d-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .d-band { display: none; }
  .d-steps { grid-template-columns: minmax(0, 1fr); }
  .d-steps li { display: grid; grid-template-columns: 30px minmax(0, 1fr) auto; align-items: baseline; column-gap: 8px; padding: 14px 16px; }
  .d-steps li + li { border-left: 0; border-top: 1px solid var(--line); }
  .d-steps li + li::before { left: 50%; top: -5px; transform: translateX(-50%) rotate(135deg); }
  .d-steps b { margin: 0; }
  .d-steps .io { grid-column: 2; }
  .d-steps .who { display: block; grid-row: 1; grid-column: 3; font-size: 9.5px; color: var(--ink-3); }
  .d-steps .who.is-ai { color: var(--accent-ink); }
  .d-steps::after { display: none; }
  .d-row { grid-template-columns: minmax(0, 1fr); gap: 8px; padding: 14px 16px; }
  .d-run-head { padding: 12px 16px; }
  .d-compare, .d-track { grid-template-columns: minmax(0, 1fr); }
  .d-table tbody th { width: 42%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .d-steps::after { animation: none; display: none; }
  .d-page * { transition: none !important; }
}