:root {
  --white: #ffffff;
  --mist: #f6f8fa;
  --rule: #e2e6ea;
  --ink: #1d232b;
  --gray: #5b6573;
  --ruby: #c0265b;
  --blue: #0a6fb0;
  --sans: 'Figtree', 'Segoe UI', system-ui, sans-serif;
  --mono: 'Roboto Mono', Consolas, monospace;
  --bar: 62px;
}
* { box-sizing: border-box; }
html { scroll-padding-top: calc(var(--bar) + 18px); }
body.td-doc-body { margin: 0; background: var(--white); color: var(--ink); font: 16px/1.7 var(--sans); }
a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--ruby); }
img { max-width: 100%; height: auto; }
code { font: 13.5px var(--mono); background: var(--mist); border: 1px solid var(--rule); border-radius: 5px; padding: 1px 6px; }
.td-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* app bar */
.td-appbar { position: sticky; top: 0; z-index: 30; height: var(--bar); display: flex; align-items: center; gap: 18px; padding: 0 22px; background: rgba(255,255,255,.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule); }
.td-app-logo img { display: block; height: 52px; width: auto; }
.td-ver { font: 12px var(--mono); color: var(--gray); border: 1px solid var(--rule); border-radius: 6px; padding: 3px 8px; white-space: nowrap; }
.td-find { flex: 1; max-width: 340px; margin-left: 18px; }
.td-find input { width: 100%; font: 14px var(--sans); color: var(--ink); background: var(--mist); border: 1px solid var(--rule); border-radius: 8px; padding: 8px 12px; }
.td-find input:focus { outline: 2px solid color-mix(in srgb, var(--blue) 40%, transparent); border-color: var(--blue); background: var(--white); }
.td-appnav { margin-left: auto; display: flex; gap: 20px; }
.td-appnav a { color: var(--ink); text-decoration: none; font-size: 14.5px; font-weight: 500; }
.td-appnav a:hover { color: var(--ruby); }

/* frame */
.td-frame { display: grid; grid-template-columns: 270px minmax(0, 1fr); max-width: 1380px; margin: 0 auto; }
.td-toc { position: sticky; top: var(--bar); align-self: start; height: calc(100vh - var(--bar)); overflow-y: auto; border-right: 1px solid var(--rule); padding: 22px 18px 40px 22px; }
.td-toc summary { list-style: none; font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--gray); margin-bottom: 10px; cursor: default; }
.td-toc summary::-webkit-details-marker { display: none; }
.td-toc-home { display: block; font-weight: 600; color: var(--ink); text-decoration: none; padding: 6px 10px; border-radius: 6px; margin-bottom: 6px; }
.td-toc-group { font-weight: 700; font-size: 14px; margin: 18px 0 4px 10px; color: var(--ink); }
.td-toc ul { list-style: none; margin: 0; padding: 0 0 0 10px; border-left: 1px solid var(--rule); margin-left: 10px; }
.td-toc li a { display: block; font-size: 14.5px; color: var(--gray); text-decoration: none; padding: 4px 10px; margin-left: -11px; border-left: 2px solid transparent; }
.td-toc li a:hover { color: var(--ink); }
.td-toc li a[aria-current="page"] { color: var(--ruby); border-left-color: var(--ruby); font-weight: 600; }
.td-toc-empty { font-size: 14px; color: var(--gray); margin: 14px 10px; }

.td-doc-col { display: grid; grid-template-columns: minmax(0, 780px) 210px; gap: 0 48px; padding: 34px 40px 0 56px; }
.td-page { min-width: 0; padding-bottom: 50px; }
.td-crumb { font: 13px var(--mono); color: var(--gray); margin: 0 0 14px; }
.td-crumb span { margin: 0 4px; color: var(--rule); }
.td-crumb a { color: var(--gray); text-decoration: none; }
.td-page h1 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); line-height: 1.15; letter-spacing: -.025em; margin: 0 0 14px; }
.td-page h2 { font-size: 1.45rem; letter-spacing: -.015em; margin: 2.2em 0 .6em; padding-top: 1.2em; border-top: 1px solid var(--rule); }
.td-page h3 { font-size: 1.05rem; margin: 0 0 8px; }
.td-intro { font-size: 1.15rem; color: var(--gray); margin: 0 0 26px; }
.td-stamp { font: 13px var(--mono); color: var(--gray); margin: -12px 0 10px; }

/* address callout */
.td-callout { border: 1px solid color-mix(in srgb, var(--ruby) 30%, var(--rule)); border-radius: 12px; background: linear-gradient(180deg, color-mix(in srgb, var(--ruby) 5%, var(--white)), var(--white) 70%); padding: 6px 18px 4px; }
.td-callout-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; padding: 12px 0 8px; }
.td-callout-head h2 { margin: 0; padding: 0; border: 0; font-size: 1.15rem; }
.td-callout-head span { font: 12px var(--mono); color: var(--ruby); }
.td-addr-list { list-style: none; margin: 0; padding: 0; }
.td-addr { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 14px; align-items: center; padding: 14px 0; border-top: 1px solid var(--rule); }
.td-addr-text { min-width: 0; }
.td-addr-kicker { display: block; font: 12px var(--mono); color: var(--blue); }
.td-slot-t { display: block; font-size: 1.02rem; }
.td-addr small { display: block; color: var(--gray); font-size: 13.5px; line-height: 1.5; }
.td-addr-main .td-slot-t { font-size: 1.2rem; }
.td-addr-main { padding: 16px 0 18px; }
.td-tag { font: 12px var(--mono); padding: 3px 9px; border-radius: 6px; background: #fff4e5; color: #8a4b00; border: 1px solid #f5d9b0; white-space: nowrap; }
.td-verified .td-tag { background: #e7f7ee; color: #116b3a; border-color: #bfe8cf; }
.td-go-btn { display: inline-block; text-align: center; min-width: 124px; font-weight: 600; font-size: 14.5px; text-decoration: none; padding: 9px 16px; border-radius: 8px; background: var(--ruby); color: #fff; border: 1px solid var(--ruby); }
.td-go-btn:hover { color: #fff; filter: brightness(1.08); }
.td-go-btn.is-off { background: var(--mist); color: var(--gray); border: 1px solid var(--rule); cursor: not-allowed; }
.td-addr-main .td-go-btn { padding: 11px 20px; }
.td-callout-foot { font-size: 13.5px; color: var(--gray); border-top: 1px solid var(--rule); margin: 0; padding: 12px 0; }

/* docs blocks */
.td-numbered { counter-reset: n; list-style: none; padding: 0; margin: 18px 0; }
.td-numbered li { counter-increment: n; position: relative; padding: 2px 0 14px 44px; }
.td-numbered li::before { content: counter(n); position: absolute; left: 0; top: 2px; width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--rule); background: var(--mist); font: 600 13px var(--mono); display: grid; place-items: center; color: var(--ruby); }
.td-topic-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.td-topic-card { border: 1px solid var(--rule); border-radius: 12px; padding: 18px 20px; }
.td-topic-card:hover { border-color: color-mix(in srgb, var(--blue) 45%, var(--rule)); }
.td-topic-card h3 a { color: var(--ink); text-decoration: none; }
.td-topic-card ul { margin: 0; padding-left: 18px; font-size: 14.5px; }
.td-topic-card li { margin: 4px 0; }
.td-defs dt { font-weight: 700; margin-top: 18px; }
.td-defs dd { margin: 4px 0 0; color: var(--gray); }
.td-defs-links dt a { color: var(--ink); }
.td-admonition { border-left: 4px solid var(--blue); background: color-mix(in srgb, var(--blue) 6%, var(--white)); border-radius: 0 8px 8px 0; padding: 12px 16px; font-size: 14.5px; margin: 28px 0; }
.td-admonition b { display: block; font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--blue); margin-bottom: 2px; }
.td-tip { border-left-color: var(--ruby); background: color-mix(in srgb, var(--ruby) 5%, var(--white)); }
.td-tip b { color: var(--ruby); }
.td-see { padding-left: 18px; }
.td-see small { color: var(--gray); font: 12px var(--mono); margin-left: 6px; }
.td-pn { display: flex; justify-content: space-between; gap: 14px; margin-top: 40px; }
.td-pn a { flex: 1; max-width: 50%; border: 1px solid var(--rule); border-radius: 10px; padding: 12px 16px; color: var(--ink); text-decoration: none; font-weight: 600; font-size: 15px; }
.td-pn a:hover { border-color: var(--ruby); }
.td-pn small { display: block; font: 12px var(--mono); color: var(--gray); font-weight: 400; }
.td-pn-next { margin-left: auto; text-align: right; }

/* right rail */
.td-onpage { position: sticky; top: calc(var(--bar) + 34px); align-self: start; display: flex; flex-direction: column; gap: 6px; font-size: 13.5px; border-left: 1px solid var(--rule); padding-left: 16px; }
.td-onpage p { font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--gray); margin: 0 0 4px; }
.td-onpage a { color: var(--gray); text-decoration: none; }
.td-onpage a:hover { color: var(--ruby); }

.td-doc-foot { grid-column: 1 / -1; border-top: 1px solid var(--rule); padding: 26px 0 34px; font-size: 14px; color: var(--gray); }
.td-doc-foot img { display: block; height: 44px; width: auto; }
.td-doc-foot p { margin: 0 0 10px; max-width: 70ch; }
.td-foot-links { display: flex; flex-wrap: wrap; gap: 18px; }
.td-foot-links a { color: var(--ink); text-decoration: none; }
.td-foot-small { font: 12px var(--mono); }

@media (max-width: 1180px) {
  .td-doc-col { grid-template-columns: minmax(0, 1fr); padding: 30px 32px 0 40px; }
  .td-onpage { display: none; }
}
@media (max-width: 900px) {
  .td-appbar { gap: 12px; padding: 0 16px; }
  .td-appnav, .td-ver { display: none; }
  .td-find { margin-left: auto; max-width: 180px; }
  .td-frame { grid-template-columns: 1fr; }
  .td-toc { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--rule); padding: 0 16px; }
  .td-toc summary { cursor: pointer; padding: 13px 0; margin: 0; display: flex; justify-content: space-between; }
  .td-toc summary::after { content: '+'; font-size: 16px; }
  .td-toc[open] summary::after { content: '\2212'; }
  .td-toc-body { padding-bottom: 16px; }
  .td-doc-col { padding: 22px 16px 0; }
}
@media (max-width: 640px) {
  .td-app-logo img { height: 44px; }
  .td-find { max-width: 140px; }
  .td-page h1 { font-size: 1.85rem; }
  .td-intro { font-size: 1rem; margin-bottom: 18px; }
  .td-callout { padding: 4px 14px 2px; }
  .td-addr { grid-template-columns: minmax(0, 1fr) auto; gap: 8px 10px; }
  .td-addr-text { grid-column: 1 / -1; }
  .td-tag { justify-self: start; }
  .td-go-btn { justify-self: end; }
  .td-addr-main .td-go-btn { grid-column: 1 / -1; justify-self: stretch; }
  .td-topic-cards { grid-template-columns: 1fr; }
  .td-pn { flex-direction: column; }
  .td-pn a { max-width: none; }
}