/* /docs body: three-column protocol documentation.
   Palette reproduced from production (fafafa page + white panels, ink/muted/faint),
   scoped locally so it stays theme-aware without touching the shell tokens. */

.s-docs-body {
  --d-bg: #fafafa;
  --d-panel: #ffffff;
  --d-line: #e6e6e6;
  --d-line2: #d0d0d0;
  --d-ink: #0a0b04;
  --d-muted: #4d4d4d;
  --d-faint: #6b6b6b;
  --d-lime: #cef606;
  background: var(--d-bg);
  color: var(--d-ink);
  font-family: var(--font-body);
  line-height: 1.62;
  font-feature-settings: "ss01", "cv01";
  -webkit-font-smoothing: antialiased;
}

html.dark .s-docs-body {
  --d-bg: #000;
  --d-panel: rgba(244, 247, 236, 0.022);
  --d-line: rgba(244, 247, 236, 0.1);
  --d-line2: rgba(244, 247, 236, 0.16);
  --d-ink: #f5f6ef;
  --d-muted: rgba(245, 246, 239, 0.64);
  --d-faint: rgba(245, 246, 239, 0.42);
}

/* layout */
.s-docs-body .shell {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr) 264px;
  gap: 52px;
  align-items: start;
}

/* left: sticky TOC */
.s-docs-body .toc {
  position: sticky;
  top: 88px;
  padding-top: 43px;
  max-height: calc(100vh - 90px);
  overflow: auto;
}
.s-docs-body .toc .grp {
  font-family: var(--font-ui);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 10px;
  color: var(--d-faint);
  margin: 22px 0 10px;
  font-weight: 700;
}
.s-docs-body .toc .grp:first-child { margin-top: 0; }
.s-docs-body .toc a {
  display: block;
  font-size: 14px;
  color: var(--d-muted);
  padding: 6px 0;
  transition: color 0.18s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.s-docs-body .toc a:hover,
.s-docs-body .toc a.on { color: var(--d-ink); }
.s-docs-body .toc a.sub {
  padding-left: 14px;
  font-size: 13px;
  color: var(--d-faint);
}

/* center: main column */
.s-docs-body main { padding: 56px 0 110px; min-width: 0; }

/* right: sticky rail */
.s-docs-body .rail {
  position: sticky;
  top: 88px;
  padding-top: 43px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.s-docs-body .railcard {
  background: var(--d-panel);
  border: 1px solid var(--d-line);
  border-radius: 2px;
  padding: 20px 20px 22px;
}
.s-docs-body .railh {
  font-family: var(--font-ui);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 10px;
  color: var(--d-faint);
  margin: 0 0 14px;
  line-height: 1.4;
}
.s-docs-body .kv {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 8px 0;
  border-top: 1px solid var(--d-line);
  gap: 12px;
}
.s-docs-body .kv:first-of-type { border-top: 0; padding-top: 0; }
.s-docs-body .kv .k {
  font-size: 12.5px;
  color: var(--d-muted);
  white-space: nowrap;
}
.s-docs-body .kv .v {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 13px;
  color: var(--d-ink);
  white-space: nowrap;
}
.s-docs-body .raillink {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13.5px;
  color: var(--d-muted);
  padding: 9px 0;
  border-top: 1px solid var(--d-line);
  transition: color 0.18s;
}
.s-docs-body .raillink:first-of-type { border-top: 0; padding-top: 0; }
.s-docs-body .raillink:hover { color: var(--d-ink); }
.s-docs-body .raillink svg { width: 12px; height: 12px; flex: 0 0 auto; }
.s-docs-body .railobj {
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
}
.s-docs-body .railobj img { width: 78%; object-fit: contain; }

/* headings + copy */
.s-docs-body h1 {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(30px, 4.6vw, 50px);
  line-height: 1.18;
  letter-spacing: 0.004em;
}
.s-docs-body .lede {
  color: var(--d-muted);
  font-size: 17px;
  margin-top: 18px;
  max-width: 60ch;
}
.s-docs-body section { padding-top: 60px; scroll-margin-top: 92px; }
.s-docs-body h2 {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 30px;
  line-height: 1.22;
  letter-spacing: 0.004em;
}
.s-docs-body h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 20px;
  margin-top: 32px;
  letter-spacing: 0.004em;
  scroll-margin-top: 92px;
}
.s-docs-body p {
  color: var(--d-muted);
  margin-top: 16px;
  font-size: 15.5px;
  max-width: 74ch;
}
.s-docs-body p strong,
.s-docs-body li strong { color: var(--d-ink); font-weight: 600; }
.s-docs-body .hair { height: 1px; background: var(--d-line); margin-top: 14px; }

/* floated 3D object figures */
.s-docs-body .figobj {
  float: right;
  width: 206px;
  aspect-ratio: 1;
  margin: 2px 0 18px 30px;
  display: grid;
  place-items: center;
  overflow: visible;
}
.s-docs-body .figobj img { width: 100%; max-height: 100%; object-fit: contain; }
.s-docs-body .figobj.tall img { width: 72%; }

/* tables */
.s-docs-body table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 22px;
  font-size: 14px;
}
.s-docs-body thead th {
  text-align: right;
  font-family: var(--font-ui);
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-size: 10px;
  color: var(--d-faint);
  font-weight: 700;
  padding: 0 0 13px;
}
.s-docs-body thead th:first-child { text-align: left; }
.s-docs-body tbody td {
  text-align: right;
  padding: 14px 0;
  border-top: 1px solid var(--d-line);
  color: var(--d-ink);
  font-variant-numeric: tabular-nums;
  vertical-align: top;
}
.s-docs-body tbody td:first-child { text-align: left; }
.s-docs-body tbody td.desc {
  text-align: left;
  color: var(--d-muted);
  font-variant-numeric: normal;
  padding-left: 22px;
}
.s-docs-body .pos { color: var(--d-ink); font-weight: 600; }

/* formula box (rendered as production: tabular sans in a bordered panel,
   dimmed // comments, accent-highlighted terms) */
.s-docs-body .formula {
  margin-top: 20px;
  background: var(--d-panel);
  border: 1px solid var(--d-line);
  border-radius: 2px;
  padding: 18px 20px;
  font-variant-numeric: tabular-nums;
  font-size: 14.5px;
  color: var(--d-ink);
  line-height: 2;
  overflow-x: auto;
}
.s-docs-body .formula .c { color: var(--d-faint); }
.s-docs-body .formula b {
  color: #0a0b04;
  font-weight: 700;
  background: rgba(206, 246, 6, 0.55);
  padding: 0 3px;
}

/* definition list */
.s-docs-body .deflist { margin-top: 20px; border-top: 1px solid var(--d-line); }
.s-docs-body .deflist .row {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--d-line);
}
.s-docs-body .deflist .row .t { font-weight: 600; color: var(--d-ink); font-size: 15px; }
.s-docs-body .deflist .row .d { color: var(--d-muted); font-size: 14.5px; }

/* numbered steps */
.s-docs-body .steps { counter-reset: st; margin-top: 20px; border-top: 1px solid var(--d-line); }
.s-docs-body .steps .s {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 16px;
  padding: 15px 0;
  border-bottom: 1px solid var(--d-line);
}
.s-docs-body .steps .s::before {
  counter-increment: st;
  content: counter(st, decimal-leading-zero);
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--d-ink);
  border: 1px solid var(--d-line2);
  border-radius: 2px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
}
.s-docs-body .steps .s .t { font-weight: 600; color: var(--d-ink); font-size: 14.5px; }
.s-docs-body .steps .s .d { color: var(--d-muted); font-size: 14px; margin-top: 3px; }

/* button row */
.s-docs-body .btnrow { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }
.s-docs-body .btn2 {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--d-ink);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  padding: 13px 22px;
  border-radius: 2px;
  transition: background 0.2s;
}
.s-docs-body .btn2:hover { background: #26271c; }
.s-docs-body .btn2.ghost2 { background: transparent; color: var(--d-ink); border: 1px solid var(--d-line2); }
.s-docs-body .btn2.ghost2:hover { border-color: var(--d-ink); }
.s-docs-body .btn2[href="/app"] {
  font-family: var(--font-ui);
  text-transform: uppercase;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.06em;
  gap: 9px;
}
.s-docs-body .btn2[href="/app"]::before {
  content: "";
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  background: #cef606;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 48 48'%3E%3Cg fill='black'%3E%3Ccircle cx='31.44' cy='12.12' r='3.17'/%3E%3Ccircle cx='25.49' cy='6.17' r='3.17'/%3E%3Ccircle cx='44.83' cy='25.51' r='3.17'/%3E%3Ccircle cx='3.17' cy='25.51' r='3.17'/%3E%3Ccircle cx='12.1' cy='25.51' r='3.17'/%3E%3Ccircle cx='22.51' cy='25.51' r='3.17'/%3E%3Ccircle cx='31.44' cy='25.51' r='3.17'/%3E%3Ccircle cx='37.39' cy='31.46' r='3.17'/%3E%3Ccircle cx='31.44' cy='37.41' r='3.17'/%3E%3Ccircle cx='25.49' cy='44.85' r='3.17'/%3E%3Ccircle cx='37.39' cy='19.56' r='3.17'/%3E%3C/g%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 48 48'%3E%3Cg fill='black'%3E%3Ccircle cx='31.44' cy='12.12' r='3.17'/%3E%3Ccircle cx='25.49' cy='6.17' r='3.17'/%3E%3Ccircle cx='44.83' cy='25.51' r='3.17'/%3E%3Ccircle cx='3.17' cy='25.51' r='3.17'/%3E%3Ccircle cx='12.1' cy='25.51' r='3.17'/%3E%3Ccircle cx='22.51' cy='25.51' r='3.17'/%3E%3Ccircle cx='31.44' cy='25.51' r='3.17'/%3E%3Ccircle cx='37.39' cy='31.46' r='3.17'/%3E%3Ccircle cx='31.44' cy='37.41' r='3.17'/%3E%3Ccircle cx='25.49' cy='44.85' r='3.17'/%3E%3Ccircle cx='37.39' cy='19.56' r='3.17'/%3E%3C/g%3E%3C/svg%3E") center/contain no-repeat;
}

/* coming-soon chip */
.s-docs-body .soon {
  display: inline-block;
  font-family: var(--font-ui);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 10px;
  font-weight: 700;
  color: #0a0b04;
  background: rgba(206, 246, 6, 0.5);
  border-radius: 2px;
  padding: 4px 9px;
  margin-top: 20px;
}

/* disclaimer */
.s-docs-body .disc {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--d-line);
  color: var(--d-faint);
  font-size: 13px;
}

/* dark: primary buttons invert to a light chip with dark ink */
html.dark .s-docs-body .btn2 { color: #0b0c04; }
html.dark .s-docs-body .btn2.ghost2 { color: var(--d-ink); }
html.dark .s-docs-body .btn2[href="/app"]::before { background: #cef606; }

/* tablet: drop the right rail, keep TOC + main */
@media (max-width: 1439px) {
  .s-docs-body .shell { grid-template-columns: 236px minmax(0, 1fr); }
  .s-docs-body .rail { display: none; }
}

/* phone: single column, no TOC, no floated figures */
@media (max-width: 767px) {
  .s-docs-body .shell { grid-template-columns: 1fr; }
  .s-docs-body .toc { display: none; }
  .s-docs-body main { padding: 20px 0 80px; }
  .s-docs-body h1 { font-size: 29px; }
  .s-docs-body .lede { font-size: 15px; }
  .s-docs-body h2 { font-size: 25px; }
  .s-docs-body .figobj { display: none; }
  .s-docs-body section { padding-top: 40px; }
  .s-docs-body .deflist .row { grid-template-columns: 1fr; gap: 4px; }
  .s-docs-body .formula { font-size: 12.5px; }
}