:root {
  --ground: #17110c;
  --panel: #211913;
  --raised: #2a2018;
  --active: #33261b;
  --rule: #352a20;
  --rule-strong: #5c4934;
  --ink: #f2ece2;
  --muted: #a3937e;
  --jade: #12d8a0;
  --sulfur: #f2e33c;
  --chain: #00c805;
  --gradient: linear-gradient(135deg, #12d8a0 0%, #f2e33c 100%);
  --ease: cubic-bezier(.2,.8,.2,1);
}

* { box-sizing: border-box; }
html { background: var(--ground); color: var(--ink); scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; min-height: 100vh; font-family: "IBM Plex Sans", sans-serif; font-size: 15px; line-height: 1.48; background: var(--ground); }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }
::selection { color: var(--ground); background: var(--jade); }

.topbar { min-height: 58px; position: sticky; top: 0; z-index: 20; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px; padding: 10px 20px; border-bottom: 1px solid var(--rule); background: rgba(33,25,19,.98); }
.brand { display: flex; align-items: center; gap: 10px; min-width: max-content; }
.brand img { width: 36px; height: 36px; object-fit: cover; border-radius: 4px; }
.brand > span { color: #fff; font-family: "IBM Plex Mono", monospace; font-weight: 600; letter-spacing: .14em; }
.brand small { color: var(--muted); font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.nav { display: flex; align-items: center; gap: 2px; }
.nav a { position: relative; padding: 8px 10px; color: var(--muted); font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.nav a:hover, .nav a.active { color: #fff; background: var(--active); border-radius: 4px; }
.nav a.active::after { content: ""; position: absolute; height: 2px; left: 9px; right: 9px; bottom: 3px; background: var(--gradient); }
.channels { display: flex; align-items: center; gap: 6px; font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.channels a { padding: 6px 8px; border: 1px solid var(--rule); border-radius: 4px; background: var(--raised); }
.channels a:hover { color: #fff; border-color: var(--rule-strong); }
.channels .ca-mini { color: var(--sulfur); }
.nav-toggle { display: none; border: 1px solid var(--rule); background: var(--raised); border-radius: 4px; padding: 6px 8px; font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.query-sweep { position: sticky; top: 58px; z-index: 21; height: 1.5px; overflow: hidden; background: var(--rule); }
.query-sweep span { display: block; width: 34%; height: 100%; background: linear-gradient(90deg, #12d8a0 0%, #f2e33c 50%, #7ff0cd 100%); transform: translateX(-110%); opacity: 0; }
.query-sweep.running span { animation: sweep 720ms var(--ease) both; }
@keyframes sweep { 0% { opacity: 1; transform: translateX(-110%); } 100% { opacity: 1; transform: translateX(295%); } }

#app { width: min(1680px, 100%); margin: 0 auto; padding: 16px; min-height: calc(100vh - 212px); }
.panel { border: 1px solid var(--rule); border-radius: 4px; background: var(--panel); }
.console-grid { display: grid; grid-template-columns: 248px minmax(0, 1fr) 316px; gap: 16px; align-items: stretch; }
.center-stack { display: grid; gap: 16px; min-width: 0; }
.rail { padding: 14px; }
.rail-title, .section-line { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 10px; margin-bottom: 10px; border-bottom: 1px solid #2c2219; }
.rail-title strong, .section-line strong { color: #fff; font-family: "IBM Plex Mono", monospace; font-size: 12px; letter-spacing: .07em; }
.counter-label, .edition-badge { color: var(--muted); background: var(--active); border: 1px solid var(--rule); border-radius: 4px; padding: 3px 6px; font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.shelf-list { display: grid; gap: 4px; }
.shelf-row { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 53px; padding: 7px 8px 7px 10px; border-left: 2px solid transparent; border-radius: 4px; }
.shelf-row:hover { background: var(--raised); }
.shelf-row.active { background: var(--active); }
.shelf-row.active::before { content: ""; position: absolute; left: -2px; top: 0; width: 2px; height: 100%; background: var(--gradient); transform-origin: top; animation: open-leaf 560ms var(--ease) both; }
@keyframes open-leaf { from { transform: scaleY(0); } to { transform: scaleY(1); } }
.shelf-copy { min-width: 0; }
.shelf-copy b, .shelf-copy small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.shelf-copy b { color: var(--ink); font-size: 13px; font-weight: 500; }
.shelf-row.active .shelf-copy b { color: var(--sulfur); }
.shelf-copy small { color: var(--muted); font-size: 12px; }
.shelf-row .edition-badge { flex: 0 0 auto; padding: 2px 4px; }
.rail-note { margin: 12px 0 0; padding-top: 10px; border-top: 1px solid #2c2219; color: var(--muted); font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.lookup { padding: 20px; }
.lookup h1 { max-width: 720px; margin: 0; color: #fff; font-size: clamp(29px, 3vw, 42px); line-height: 1.08; letter-spacing: -.025em; font-weight: 600; }
.lookup > p { max-width: 690px; color: var(--muted); margin: 8px 0 16px; }
.honesty-inline { display: flex; gap: 8px; align-items: flex-start; margin: 0 0 16px; color: var(--muted); font-size: 12px; font-family: "IBM Plex Mono", monospace; }
.honesty-inline::before { content: ""; flex: 0 0 auto; width: 6px; height: 6px; margin-top: 6px; background: var(--chain); border-radius: 50%; }
.search-form { display: flex; gap: 8px; }
.search-wrap { position: relative; flex: 1; min-width: 0; }
.search-wrap::before { content: ">"; position: absolute; left: 13px; top: 11px; color: var(--muted); font-family: "IBM Plex Mono", monospace; }
.search-wrap input { width: 100%; min-height: 44px; padding: 9px 12px 9px 30px; color: #fff; background: var(--ground); border: 1px solid var(--rule); border-radius: 4px; outline: none; font-family: "IBM Plex Mono", monospace; font-size: 15px; }
.search-wrap input:focus { border-color: var(--sulfur); }
.primary { min-height: 44px; padding: 9px 18px; border: 0; border-radius: 4px; color: #17110c; background: var(--gradient); font-weight: 600; cursor: pointer; }
.primary:hover { background: linear-gradient(135deg, #3ae6b5 0%, #f8ee6a 100%); }
.answer { padding: 20px; border-color: rgba(18,216,160,.3); }
.answer-top { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-bottom: 12px; border-bottom: 1px solid #2c2219; }
.answer-tags { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.query-chip, .verified { padding: 5px 8px; border: 1px solid rgba(18,216,160,.35); border-radius: 4px; color: #7ff0cd; background: rgba(18,216,160,.11); font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.verified { display: inline-flex; align-items: center; gap: 6px; opacity: 0; transform: translateY(3px) scale(.97); }
.verified.show { animation: stamp 300ms var(--ease) forwards; }
.verified::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--jade); }
@keyframes stamp { to { opacity: 1; transform: translateY(0) scale(1); } }
.answer-edition { color: var(--muted); font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.address-band { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 16px 0 10px; padding: 12px; border: 1px solid var(--rule); border-radius: 4px; background: #120d09; }
.address-band code { overflow-wrap: anywhere; color: var(--sulfur); font-family: "IBM Plex Mono", monospace; font-size: 14px; }
.copy { flex: 0 0 auto; padding: 6px 8px; color: var(--muted); background: var(--active); border: 1px solid var(--rule); border-radius: 4px; cursor: pointer; font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.copy:hover { color: #fff; border-color: var(--rule-strong); }
.fact-grid { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 8px; }
.fact { padding: 10px; border: 1px solid var(--rule); border-radius: 4px; background: var(--raised); min-width: 0; }
.fact span, .fact b { display: block; font-family: "IBM Plex Mono", monospace; }
.fact span { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.fact b { margin-top: 4px; overflow-wrap: anywhere; color: #fff; font-size: 13px; font-weight: 500; font-variant-numeric: tabular-nums; }
.code-lines { margin-top: 10px; padding: 12px; overflow-x: auto; border: 1px solid var(--rule); border-radius: 4px; background: #120d09; font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.code-line { display: grid; grid-template-columns: 22px minmax(0,1fr); gap: 6px; padding: 3px 0; white-space: pre-wrap; }
.code-line i { color: var(--muted); font-style: normal; user-select: none; }
.code-line:first-child { color: #7ff0cd; }
.code-line:last-child { color: var(--sulfur); border-top: 1px solid #2c2219; margin-top: 5px; padding-top: 8px; }
.ca-leaf { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 12px; margin-top: 10px; padding: 10px 12px; border: 1px solid var(--rule); border-radius: 4px; background: var(--raised); }
.ca-leaf small, .ca-leaf b { display: block; }
.ca-leaf small { color: var(--muted); font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.ca-leaf b { color: var(--ink); font-size: 13px; font-weight: 500; }
.ca-actions { display: flex; gap: 6px; }
.ca-actions a { padding: 6px 8px; border: 1px solid var(--rule); border-radius: 4px; font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.ca-actions a:last-child { color: var(--sulfur); }
.changelog-rail { display: flex; flex-direction: column; }
.change-list { display: grid; gap: 15px; }
.change-item { padding-left: 10px; border-left: 2px solid var(--rule); }
.change-item:first-child { border-color: var(--jade); }
.change-meta { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.change-meta time { color: #fff; font-weight: 500; }
.change-item p { color: var(--muted); margin: 5px 0 0; font-size: 12px; line-height: 1.5; }
.matrix { margin-top: 16px; overflow: hidden; }
.matrix-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 16px; border-bottom: 1px solid var(--rule); background: var(--raised); }
.matrix-head strong { color: #fff; font-family: "IBM Plex Mono", monospace; font-size: 12px; letter-spacing: .06em; }
.matrix-head span { color: var(--muted); font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-family: "IBM Plex Mono", monospace; font-size: 12px; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid #2c2219; vertical-align: top; }
th { color: var(--muted); background: #140f0a; text-transform: uppercase; letter-spacing: .04em; font-weight: 500; }
td { color: var(--ink); font-variant-numeric: tabular-nums; }
tbody tr:hover { background: var(--active); }
tbody tr:last-child td { border-bottom: 0; }
.td-accent { color: var(--sulfur); }
.source-link { color: #7ff0cd; text-decoration: underline; text-underline-offset: 3px; }

.route { display: grid; gap: 16px; }
.register-opening { min-height: 138px; display: grid; grid-template-columns: minmax(280px,.9fr) minmax(320px,1.1fr) 180px; align-items: stretch; overflow: hidden; }
.register-opening-title, .register-opening > p, .register-opening-status { padding: 20px; }
.register-opening-title { display: grid; align-content: center; }
.register-opening-title span, .examples-question > span, .mcp-opening-copy > div, .ledger-opening span, .limits-opening-label, .limits-opening-note > span, .join-opening span, .join-opening small { color: var(--muted); font: 500 12px/1.45 "IBM Plex Mono", monospace; letter-spacing: .05em; }
.register-opening h1 { margin: 4px 0 0; color: #fff; font-size: clamp(30px, 4vw, 48px); line-height: 1; letter-spacing: -.03em; }
.register-opening > p { display: flex; align-items: center; margin: 0; border-left: 1px solid var(--rule); color: var(--muted); }
.register-opening-status { display: flex; align-items: center; gap: 12px; border-left: 1px solid var(--rule); background: var(--raised); }
.register-opening-status b { color: var(--sulfur); font: 500 48px/1 "IBM Plex Mono", monospace; }
.register-opening-status span { color: var(--ink); font: 500 12px/1.55 "IBM Plex Mono", monospace; text-transform: uppercase; }

.examples-opening { display: grid; grid-template-columns: minmax(320px,1fr) minmax(260px,.75fr); gap: 0 32px; padding: 8px 0 0; border-top: 1px solid var(--rule-strong); }
.examples-question { padding: 18px 0 22px; }
.examples-question > span { color: var(--jade); }
.examples-opening h1 { margin: 10px 0 0; color: #fff; font-size: clamp(38px, 5vw, 64px); line-height: .95; letter-spacing: -.04em; }
.examples-opening > p { align-self: end; max-width: 500px; margin: 0 0 26px; padding-left: 20px; border-left: 1px solid var(--rule); color: var(--muted); }
.examples-opening ol { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(6, minmax(0,1fr)); margin: 0; padding: 0; border: 1px solid var(--rule); border-radius: 4px; list-style: none; overflow: hidden; }
.examples-opening li { min-width: 0; padding: 10px 12px; border-left: 1px solid var(--rule); color: var(--muted); font: 400 12px/1.4 "IBM Plex Mono", monospace; text-transform: uppercase; overflow-wrap: anywhere; }
.examples-opening li:first-child { border-left: 0; }
.examples-opening li span { display: block; margin-bottom: 3px; color: var(--sulfur); }

.mcp-opening { display: grid; grid-template-columns: minmax(340px,.85fr) minmax(0,1.15fr); min-height: 190px; overflow: hidden; }
.mcp-opening-command { display: grid; align-content: center; gap: 10px; padding: 24px; border-right: 1px solid var(--rule); background: #120d09; }
.mcp-opening-command span { color: var(--jade); font: 500 12px/1.4 "IBM Plex Mono", monospace; }
.mcp-opening-command code { color: var(--sulfur); font: 400 14px/1.6 "IBM Plex Mono", monospace; overflow-wrap: anywhere; }
.mcp-opening-copy { display: grid; align-content: center; padding: 24px; }
.mcp-opening-copy > div { display: flex; justify-content: space-between; gap: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--rule); }
.mcp-opening-copy h1 { margin: 16px 0 6px; color: #fff; font-size: clamp(32px, 4vw, 48px); line-height: 1; letter-spacing: -.03em; }
.mcp-opening-copy p { max-width: 680px; margin: 0; color: var(--muted); }

.ledger-opening { display: grid; grid-template-columns: 210px minmax(360px,1fr) minmax(260px,.65fr); min-height: 184px; border-top: 1px solid var(--rule-strong); border-bottom: 1px solid var(--rule); }
.ledger-opening-edition { display: grid; align-content: center; gap: 4px; padding: 18px 22px; border-right: 1px solid var(--rule); }
.ledger-opening-edition strong { color: var(--sulfur); font: 500 34px/1.15 "IBM Plex Mono", monospace; }
.ledger-opening-title { display: grid; align-content: center; padding: 18px 28px; }
.ledger-opening-title h1 { margin: 8px 0 0; color: #fff; font-size: clamp(34px, 4vw, 52px); line-height: .98; letter-spacing: -.035em; }
.ledger-opening > p { display: flex; align-items: flex-end; margin: 0; padding: 22px; border-left: 1px solid var(--rule); color: var(--muted); }

.limits-opening { min-height: 220px; display: grid; grid-template-columns: 120px minmax(360px,1fr) minmax(260px,.65fr); align-items: end; padding: 22px 0 0; border-bottom: 1px solid var(--rule-strong); }
.limits-opening-label { align-self: start; padding-top: 8px; writing-mode: vertical-rl; transform: rotate(180deg); }
.limits-opening h1 { margin: 0; padding-bottom: 24px; color: #fff; font-size: clamp(40px, 6vw, 72px); line-height: .92; letter-spacing: -.045em; }
.limits-opening h1 em { color: var(--sulfur); font-style: normal; font-weight: 500; }
.limits-opening-note { margin-bottom: 24px; padding: 16px 0 0 22px; border-left: 1px solid var(--rule); }
.limits-opening-note > span { color: var(--jade); }
.limits-opening-note p { max-width: 420px; margin: 9px 0 0; color: var(--muted); }

.join-opening { display: grid; grid-template-columns: 190px minmax(360px,1fr) minmax(260px,.72fr); min-height: 214px; overflow: hidden; }
.join-opening-signal, .join-opening-message, .join-opening-instruction { display: grid; align-content: center; padding: 22px; }
.join-opening-signal { gap: 5px; background: var(--raised); }
.join-opening-signal strong { color: var(--sulfur); font: 500 48px/1 "IBM Plex Mono", monospace; }
.join-opening-signal small { color: var(--jade); }
.join-opening-message { border-left: 1px solid var(--rule); }
.join-opening-message p { order: 1; margin: 0 0 8px; color: var(--muted); }
.join-opening-message h1 { order: 2; max-width: 650px; margin: 0; color: #fff; font-size: clamp(34px, 4.5vw, 58px); line-height: .96; letter-spacing: -.04em; }
.join-opening-instruction { border-left: 1px solid var(--rule); }
.join-opening-instruction p { margin: 8px 0 18px; color: var(--muted); }
.join-opening-instruction a { color: var(--sulfur); font: 500 12px/1.4 "IBM Plex Mono", monospace; }
.register-intro { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: 4px; overflow: hidden; }
.register-intro > div { min-height: 90px; padding: 16px; background: var(--panel); }
.register-intro small, .register-intro b { display: block; font-family: "IBM Plex Mono", monospace; }
.register-intro small { color: var(--muted); font-size: 12px; }
.register-intro b { margin-top: 8px; color: #fff; font-size: 15px; overflow-wrap: anywhere; }
.register { overflow: hidden; }
.section-kicker { color: var(--jade); font: 500 12px/1.45 "IBM Plex Mono", monospace; letter-spacing: .05em; }
.process-panel { display: grid; grid-template-columns: minmax(310px,.75fr) minmax(520px,1.25fr); overflow: hidden; }
.process-copy { padding: 22px; border-right: 1px solid var(--rule); }
.process-copy h2, .workflow-copy h2, .handshake h2, .self-check h2 { margin: 7px 0 10px; color: #fff; font-size: 22px; }
.process-copy ol, .workflow-copy ol, .handshake ol { margin: 14px 0 0; padding-left: 22px; color: var(--ink); }
.process-copy li, .workflow-copy li, .handshake li { margin: 8px 0; padding-left: 4px; }
.process-copy code, .workflow-copy code, .handshake code, .self-check code, .root-cause code { color: #7ff0cd; font-family: "IBM Plex Mono", monospace; }
.sketch { margin: 0; padding: 16px; overflow: hidden; background: #1b140f; }
.sketch svg { display: block; width: 100%; height: auto; }
.sketch figcaption { margin-top: 8px; padding-top: 9px; border-top: 1px solid var(--rule); color: var(--muted); font: 400 12px/1.5 "IBM Plex Mono", monospace; }
.address-sketch { border: 0; border-radius: 0; }
.self-check { display: grid; grid-template-columns: minmax(260px,.55fr) minmax(0,1.45fr); gap: 20px; padding: 20px; }
.self-check p { margin: 0; color: var(--muted); }
.command-pair { display: grid; gap: 8px; min-width: 0; }
.command-pair pre { margin: 0; padding: 12px; overflow-x: auto; white-space: pre-wrap; overflow-wrap: anywhere; color: var(--ink); background: #120d09; border: 1px solid var(--rule); border-radius: 4px; font: 12px/1.55 "IBM Plex Mono", monospace; }
.command-pair .copy { justify-self: start; }
.table-sub { color: var(--muted); }
.why-cell { min-width: 230px; color: var(--muted); font-family: "IBM Plex Sans", sans-serif; font-size: 15px; }
.workflow-panel { display: grid; grid-template-columns: minmax(300px,.68fr) minmax(480px,1.32fr); overflow: hidden; }
.workflow-copy { padding: 22px; border-right: 1px solid var(--rule); }
.workflow-copy > p { margin: 0; color: var(--muted); }
.workflow-copy ol { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 7px 22px; }
.workflow-copy li { color: var(--muted); font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.workflow-sketch { border: 0; border-radius: 0; }
.examples-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.example { display: flex; flex-direction: column; padding: 18px; min-width: 0; }
.example-number { color: var(--sulfur); font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.example-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.trap-tag { padding: 3px 6px; color: #7ff0cd; background: rgba(18,216,160,.08); border: 1px solid rgba(18,216,160,.28); border-radius: 4px; font: 500 12px/1.4 "IBM Plex Mono", monospace; text-transform: uppercase; }
.example h2 { margin: 8px 0 4px; color: #fff; font-size: 20px; }
.example > p { margin: 0 0 12px; color: var(--muted); }
.root-cause { margin: 0 0 12px; padding: 11px 12px; border-left: 2px solid var(--sulfur); background: var(--raised); }
.root-cause strong { color: var(--sulfur); font: 500 12px/1.4 "IBM Plex Mono", monospace; letter-spacing: .04em; }
.root-cause p { margin: 5px 0 0; color: var(--ink); }
.example pre, .install-block pre { margin: auto 0 0; padding: 12px; overflow-x: auto; white-space: pre-wrap; color: var(--ink); background: #120d09; border: 1px solid var(--rule); border-radius: 4px; font: 12px/1.55 "IBM Plex Mono", monospace; }
.test-output { margin-top: 10px; padding-top: 10px; border-top: 1px solid #2c2219; color: #7ff0cd; font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.source-row { margin-top: 10px; display: flex; gap: 10px; flex-wrap: wrap; color: var(--muted); font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.mcp-layout { display: grid; grid-template-columns: minmax(0,1.35fr) minmax(280px,.65fr); gap: 16px; }
.install-block { padding: 20px; }
.install-block h2, .tool-card h2 { margin: 0 0 8px; color: #fff; font-size: 20px; }
.install-row { position: relative; margin-top: 12px; }
.install-row .copy { position: absolute; right: 8px; top: 8px; }
.tool-stack { display: grid; gap: 8px; }
.tool-card { padding: 16px; }
.tool-card code { color: var(--sulfur); font-family: "IBM Plex Mono", monospace; }
.tool-card p { margin: 6px 0 0; color: var(--muted); }
.tool-card > span { display: block; margin-top: 10px; padding-top: 9px; border-top: 1px solid var(--rule); color: #7ff0cd; font: 400 12px/1.45 "IBM Plex Mono", monospace; }
.handshake { display: grid; grid-template-columns: minmax(240px,.55fr) minmax(360px,.9fr) minmax(280px,.7fr); gap: 20px; padding: 20px; }
.handshake ol { margin: 0; }
.handshake > p { margin: 0; padding-left: 18px; border-left: 1px solid var(--rule); color: var(--muted); }
.handshake > p strong { color: var(--ink); }
.mcp-sketch { padding: 18px; }
.mcp-transcript { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.rpc-case { min-width: 0; padding: 18px; }
.rpc-case h2 { margin: 0 0 12px; color: #fff; font-size: 20px; }
.rpc-case h3 { margin: 12px 0 6px; color: var(--muted); font: 500 12px/1.4 "IBM Plex Mono", monospace; letter-spacing: .05em; }
.rpc-case pre { max-height: 360px; margin: 0; padding: 12px; overflow: auto; white-space: pre; color: var(--ink); background: #120d09; border: 1px solid var(--rule); border-radius: 4px; font: 12px/1.55 "IBM Plex Mono", monospace; }
.rpc-case h3 + pre code { color: #7ff0cd; }
.semver-note { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: 4px; overflow: hidden; }
.semver-note > div { padding: 16px; background: var(--panel); }
.semver-note span { color: var(--sulfur); font: 500 12px/1.4 "IBM Plex Mono", monospace; }
.semver-note p { margin: 7px 0 0; color: var(--muted); }
.ledger-sketch { padding: 18px; }
.ledger { padding: 20px; }
.ledger-line { display: grid; grid-template-columns: 130px 84px minmax(0,1fr); gap: 14px; padding: 15px 0; border-bottom: 1px solid #2c2219; }
.ledger-line:first-child { padding-top: 0; }
.ledger-line:last-child { padding-bottom: 0; border-bottom: 0; }
.ledger-line time, .ledger-line b { font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.ledger-line b { color: var(--sulfur); }
.ledger-line p { margin: 7px 0 0; color: var(--muted); }
.change-route { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.change-route a { color: #7ff0cd; font: 500 12px/1.4 "IBM Plex Mono", monospace; text-decoration: underline; text-underline-offset: 3px; }
.change-route span { padding: 3px 6px; color: var(--sulfur); border: 1px solid var(--rule); border-radius: 4px; font: 500 12px/1.4 "IBM Plex Mono", monospace; text-transform: uppercase; }
.boundary-sketch { padding: 18px; }
.limits { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.limit { padding: 20px; }
.limit span { color: var(--sulfur); font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.limit h2 { margin: 7px 0; color: #fff; font-size: 21px; }
.limit p { margin: 0; color: var(--muted); }
.refusal { margin-top: 15px; padding: 12px; border: 1px solid var(--rule); border-radius: 4px; background: #1b140f; }
.refusal strong { color: var(--sulfur); font: 500 12px/1.4 "IBM Plex Mono", monospace; letter-spacing: .04em; }
.refusal p { margin-top: 6px; color: var(--ink); }
.boundary-table { overflow: hidden; }
.boundary-table .section-line { margin: 0; padding: 12px 16px; background: var(--raised); }
.boundary-table .section-line span { color: var(--muted); font: 400 12px/1.4 "IBM Plex Mono", monospace; }
.boundary-table td { width: 50%; font-family: "IBM Plex Sans", sans-serif; font-size: 15px; }
.boundary-table td:first-child { color: #7ff0cd; }
.boundary-table td:last-child { color: var(--muted); }
.contract-sheet { padding: 20px; }
.contract-sheet h2 { margin: 0; color: #fff; }
.contract-value { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 14px; padding: 14px; background: #120d09; border: 1px solid var(--rule); border-radius: 4px; font-family: "IBM Plex Mono", monospace; }
.contract-value span { color: var(--sulfur); overflow-wrap: anywhere; }
.join-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.join-card { padding: 22px; }
.join-card h2 { margin: 0 0 8px; color: #fff; }
.join-card p { color: var(--muted); }
.join-card a { display: inline-block; margin-top: 10px; padding: 8px 10px; border: 1px solid var(--rule); border-radius: 4px; color: var(--sulfur); font-family: "IBM Plex Mono", monospace; }
.topic-page { display: grid; gap: 16px; }
.topic-page h1 { color: #fff; font-size: clamp(30px,4vw,48px); line-height: 1.08; letter-spacing: -.025em; }
.topic-page h2 { color: #fff; }
.topic-page code { font-family: "IBM Plex Mono", monospace; }
.topic-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 40px; padding: 0 2px; color: var(--muted); font: 500 12px/1.4 "IBM Plex Mono", monospace; }
.topic-toolbar span a:hover { color: #fff; }
.topic-back { padding: 7px 9px; color: var(--sulfur); border: 1px solid var(--rule); border-radius: 4px; background: var(--raised); }
.topic-back:hover { color: #fff; border-color: var(--rule-strong); }
.topic-source { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding-top: 4px; color: var(--muted); font: 400 12px/1.5 "IBM Plex Mono", monospace; }
.topic-source a { color: #7ff0cd; text-decoration: underline; text-underline-offset: 3px; }
.topic-callout { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px 16px; border-left: 2px solid var(--jade); background: var(--raised); }
.topic-callout p { margin: 0; color: var(--muted); }
.topic-callout a { flex: 0 0 auto; color: var(--sulfur); font: 500 12px/1.4 "IBM Plex Mono", monospace; }

.connecting-opening { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(300px,.75fr); overflow: hidden; }
.connecting-opening > div { padding: 24px; }
.connecting-opening h1 { margin: 8px 0; }
.connecting-opening p { margin: 0; color: var(--muted); }
.connecting-opening dl { display: grid; grid-template-columns: auto minmax(0,1fr); gap: 1px; margin: 0; padding: 24px; background: var(--rule); }
.connecting-opening dt, .connecting-opening dd { margin: 0; padding: 9px 10px; background: var(--raised); }
.connecting-opening dt { color: var(--muted); font: 500 12px/1.5 "IBM Plex Mono", monospace; }
.connecting-opening dd { color: #fff; overflow-wrap: anywhere; font: 500 13px/1.5 "IBM Plex Mono", monospace; }
.connecting-grid { display: grid; grid-template-columns: minmax(300px,.75fr) minmax(0,1.25fr); gap: 16px; }
.rpc-methods { padding: 18px; }
.rpc-methods ul { display: grid; gap: 1px; margin: 0; padding: 0; list-style: none; background: var(--rule); }
.rpc-methods li { display: grid; grid-template-columns: 130px minmax(0,1fr); gap: 12px; padding: 10px; background: var(--panel); }
.rpc-methods code { color: #7ff0cd; }
.rpc-methods li span { color: var(--muted); }

.protocol-opening { display: grid; grid-template-columns: minmax(280px,1fr) minmax(300px,.9fr) 180px; border: 1px solid var(--rule); border-radius: 4px; }
.protocol-opening > * { padding: 22px; }
.protocol-opening > p, .protocol-opening > strong { border-left: 1px solid var(--rule); }
.protocol-opening span { color: var(--jade); font: 500 12px/1.4 "IBM Plex Mono", monospace; }
.protocol-opening h1 { margin: 8px 0 0; }
.protocol-opening p { display: flex; align-items: center; margin: 0; color: var(--muted); }
.protocol-opening > strong { display: grid; place-content: center; color: var(--sulfur); text-align: center; font: 600 48px/1 "IBM Plex Mono", monospace; background: var(--raised); }
.protocol-opening strong small { margin-top: 8px; color: var(--muted); font-size: 12px; line-height: 1.45; font-weight: 400; }
.protocol-register { overflow: hidden; }
.protocol-register td:nth-child(3) { color: var(--sulfur); overflow-wrap: anywhere; }

.token-opening { max-width: 900px; padding: 8px 0 0 18px; border-left: 2px solid var(--jade); }
.token-opening h1 { margin: 8px 0; }
.token-opening p { max-width: 760px; margin: 0; color: var(--muted); }
.token-pair { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.token-card { display: grid; grid-template-columns: 58px minmax(0,1fr); gap: 18px; padding: 20px; }
.token-card-index { color: var(--rule-strong); font: 600 34px/1 "IBM Plex Mono", monospace; }
.token-card span, .token-card dt { color: var(--muted); font: 500 12px/1.4 "IBM Plex Mono", monospace; text-transform: uppercase; }
.token-card h2 { margin: 5px 0 10px; font-size: 25px; }
.token-card code { display: block; color: var(--sulfur); overflow-wrap: anywhere; }
.token-card p { color: var(--muted); }
.token-card dl { grid-column: 2; display: grid; grid-template-columns: auto 1fr; gap: 7px 14px; margin: 0; padding-top: 14px; border-top: 1px solid var(--rule); }
.token-card dd { margin: 0; overflow-wrap: anywhere; font-family: "IBM Plex Mono", monospace; }
.token-rule { display: grid; grid-template-columns: minmax(220px,.7fr) minmax(280px,1fr) auto; align-items: center; gap: 18px; padding: 18px; }
.token-rule span { color: var(--jade); font: 500 12px/1.4 "IBM Plex Mono", monospace; }
.token-rule strong { display: block; margin-top: 4px; color: #fff; }
.token-rule p { margin: 0; color: var(--muted); }
.token-rule a { color: var(--sulfur); font: 500 12px/1.4 "IBM Plex Mono", monospace; }

.stock-opening { display: grid; grid-template-columns: minmax(300px,1fr) minmax(300px,.8fr); align-items: end; gap: 36px; padding: 26px; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.stock-opening span { color: var(--jade); font: 500 12px/1.4 "IBM Plex Mono", monospace; }
.stock-opening h1 { margin: 8px 0 0; }
.stock-opening p { margin: 0; color: var(--muted); }
.stock-equation { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: stretch; gap: 8px; }
.stock-equation > div { padding: 18px; border: 1px solid var(--rule); border-radius: 4px; background: var(--panel); }
.stock-equation > i { align-self: center; color: var(--muted); font: normal 500 24px/1 "IBM Plex Mono", monospace; }
.stock-equation span, .stock-equation strong { display: block; font-family: "IBM Plex Mono", monospace; }
.stock-equation span { color: var(--muted); font-size: 12px; }
.stock-equation strong { margin-top: 10px; color: #fff; font-size: 18px; }
.stock-equation .stock-result { border-color: rgba(18,216,160,.4); }
.stock-result strong { color: #7ff0cd; }
.stock-code { display: grid; grid-template-columns: minmax(260px,.7fr) minmax(0,1.3fr); gap: 18px; padding: 20px; }
.stock-code h2 { margin: 7px 0; }
.stock-code p { color: var(--muted); }
.stock-code pre { margin: 0; padding: 14px; white-space: pre-wrap; overflow-x: auto; background: #120d09; border: 1px solid var(--rule); border-radius: 4px; font: 12px/1.55 "IBM Plex Mono", monospace; }
.stock-code footer { grid-column: 1/-1; display: flex; justify-content: space-between; gap: 16px; padding-top: 12px; border-top: 1px solid var(--rule); color: var(--sulfur); font: 500 12px/1.4 "IBM Plex Mono", monospace; }

.aa-opening { display: grid; grid-template-columns: 210px minmax(0,1fr); overflow: hidden; }
.aa-status { display: grid; align-content: center; gap: 7px; padding: 24px; background: var(--raised); border-right: 1px solid var(--rule); }
.aa-status span { color: var(--muted); font: 500 12px/1.4 "IBM Plex Mono", monospace; }
.aa-status strong { color: var(--sulfur); font: 600 28px/1 "IBM Plex Mono", monospace; }
.aa-opening > div:last-child { padding: 26px; }
.aa-opening h1 { margin: 0 0 10px; }
.aa-opening p { max-width: 780px; margin: 0; color: var(--muted); }
.aa-explainer { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1px; padding: 1px; background: var(--rule); }
.aa-explainer article { padding: 20px; background: var(--ground); }
.aa-explainer span { color: var(--jade); font: 500 12px/1.4 "IBM Plex Mono", monospace; }
.aa-explainer h2 { margin: 8px 0; font-size: 19px; }
.aa-explainer p { margin: 0; color: var(--muted); }
.aa-boundary { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1px; padding: 1px; background: var(--rule); }
.aa-boundary > div { padding: 18px; background: var(--panel); }
.aa-boundary span { color: var(--jade); font: 500 12px/1.4 "IBM Plex Mono", monospace; }
.aa-boundary p { margin: 8px 0 0; }
.aa-boundary > a { grid-column: 1/-1; padding: 13px 18px; color: var(--sulfur); background: var(--raised); font: 500 12px/1.4 "IBM Plex Mono", monospace; }

.streams-opening { display: grid; grid-template-columns: 180px minmax(0,1fr); gap: 20px; align-items: end; padding: 26px 0 20px; border-bottom: 1px solid var(--rule); }
.streams-opening > span { color: var(--jade); font: 500 12px/1.4 "IBM Plex Mono", monospace; }
.streams-opening h1 { grid-column: 2; margin: 0; }
.streams-opening code { grid-column: 2; color: var(--sulfur); overflow-wrap: anywhere; }
.streams-flow { display: grid; grid-template-columns: repeat(5,auto); justify-content: center; align-items: center; gap: 12px; }
.streams-flow div { min-width: 180px; padding: 16px; border: 1px solid var(--rule); border-radius: 4px; background: var(--panel); }
.streams-flow b, .streams-flow span { display: block; }
.streams-flow b { color: var(--jade); font: 500 12px/1.4 "IBM Plex Mono", monospace; }
.streams-flow span { margin-top: 5px; color: #fff; }
.streams-flow i { color: var(--muted); font-style: normal; }
.streams-call { display: grid; grid-template-columns: minmax(260px,.7fr) minmax(0,1.3fr); gap: 20px; padding: 20px; }
.streams-call h2 { margin: 7px 0; font-size: 22px; }
.streams-call p { color: var(--muted); }
.streams-call dl { display: grid; grid-template-columns: auto 1fr; gap: 5px 14px; margin-bottom: 0; }
.streams-call dt { color: var(--muted); font: 500 12px/1.4 "IBM Plex Mono", monospace; }
.streams-call dd { margin: 0; font-family: "IBM Plex Mono", monospace; }
.streams-call pre { margin: 0; padding: 14px; overflow-x: auto; white-space: pre-wrap; background: #120d09; border: 1px solid var(--rule); border-radius: 4px; font: 12px/1.55 "IBM Plex Mono", monospace; }

.cross-opening { display: grid; grid-template-columns: minmax(300px,1fr) minmax(320px,.8fr); border-left: 2px solid var(--sulfur); background: var(--panel); }
.cross-opening > * { padding: 24px; }
.cross-opening span { color: var(--jade); font: 500 12px/1.4 "IBM Plex Mono", monospace; }
.cross-opening h1 { margin: 8px 0 0; }
.cross-opening dl { display: grid; grid-template-columns: auto minmax(0,1fr); gap: 8px 12px; margin: 0; background: var(--raised); }
.cross-opening dt { color: var(--muted); font: 500 12px/1.4 "IBM Plex Mono", monospace; }
.cross-opening dd { margin: 0; overflow-wrap: anywhere; font-family: "IBM Plex Mono", monospace; }
.bridge-timeline { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 0; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.bridge-timeline li { position: relative; padding: 20px; border-left: 1px solid var(--rule); }
.bridge-timeline li:first-child { border-left: 0; }
.bridge-timeline li::before { content: ""; position: absolute; top: -4px; left: 20px; width: 7px; height: 7px; background: var(--jade); border-radius: 50%; }
.bridge-timeline span { color: var(--jade); font: 500 12px/1.4 "IBM Plex Mono", monospace; }
.bridge-timeline h2 { margin: 9px 0; font-size: 17px; }
.bridge-timeline p { margin: 0; color: var(--muted); }
.bridge-note { display: grid; grid-template-columns: auto minmax(280px,1fr) minmax(260px,.8fr) auto; align-items: center; gap: 16px; padding: 16px; }
.bridge-note strong { color: var(--muted); font: 500 12px/1.4 "IBM Plex Mono", monospace; }
.bridge-note code { color: var(--sulfur); overflow-wrap: anywhere; }
.bridge-note p { margin: 0; color: var(--muted); }
.bridge-note a { color: #7ff0cd; font: 500 12px/1.4 "IBM Plex Mono", monospace; }

.gas-opening { display: grid; grid-template-columns: minmax(0,1fr) 210px; border: 1px solid var(--rule); border-radius: 4px; overflow: hidden; }
.gas-opening > div { padding: 26px; }
.gas-opening span { color: var(--jade); font: 500 12px/1.4 "IBM Plex Mono", monospace; }
.gas-opening h1 { margin: 8px 0; }
.gas-opening p { max-width: 750px; margin: 0; color: var(--muted); }
.gas-opening > strong { display: grid; place-content: center; color: var(--sulfur); text-align: center; border-left: 1px solid var(--rule); background: var(--raised); font: 600 38px/1 "IBM Plex Mono", monospace; }
.gas-opening strong small { margin-top: 8px; color: var(--muted); font-size: 12px; font-weight: 400; }
.gas-ledger { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 10px; }
.gas-ledger article { min-height: 118px; padding: 18px; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.gas-ledger span { color: var(--jade); font: 500 12px/1.4 "IBM Plex Mono", monospace; }
.gas-ledger p { margin: 8px 0 0; color: var(--muted); }
.gas-ledger > b { color: var(--sulfur); font: 500 22px/1 "IBM Plex Mono", monospace; }
.gas-command { display: grid; grid-template-columns: minmax(260px,.7fr) minmax(0,1.3fr); gap: 20px; padding: 20px; }
.gas-command h2 { margin: 7px 0; }
.gas-command p { margin-bottom: 0; color: var(--muted); }
.gas-command pre { margin: 0; padding: 14px; overflow-x: auto; white-space: pre-wrap; background: #120d09; border: 1px solid var(--rule); border-radius: 4px; font: 12px/1.55 "IBM Plex Mono", monospace; }
.gas-checklist { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 1px; margin: 0; padding: 1px; list-style: none; background: var(--rule); }
.gas-checklist li { padding: 16px; background: var(--panel); }
.gas-checklist code { color: #7ff0cd; }

.missing-leaf { max-width: 780px; padding: 28px; }
.missing-leaf > span { color: var(--jade); font: 500 12px/1.4 "IBM Plex Mono", monospace; }
.missing-leaf h1 { margin: 8px 0; overflow-wrap: anywhere; }
.missing-leaf > p { color: var(--muted); }
.missing-leaf > div { display: flex; justify-content: space-between; gap: 16px; margin: 22px 0; padding: 14px; border: 1px solid var(--rule); border-radius: 4px; background: var(--raised); }
.missing-leaf > div span { color: var(--muted); }
.missing-leaf > div a, .missing-home { color: var(--sulfur); font-family: "IBM Plex Mono", monospace; }

.footer { display: grid; grid-template-columns: auto minmax(260px,1fr) auto; align-items: center; gap: 22px; padding: 18px 20px; border-top: 1px solid var(--rule); background: var(--panel); }
.footer-mark { display: flex; align-items: center; gap: 8px; color: #fff; font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.footer-mark img { border-radius: 4px; }
.footer p { margin: 0; color: var(--muted); font-size: 12px; }
.footer-links { display: flex; gap: 12px; flex-wrap: wrap; justify-content: flex-end; color: var(--muted); font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.footer-links a:hover { color: #fff; }
.toast { position: fixed; right: 16px; bottom: 16px; z-index: 50; padding: 9px 12px; color: #17110c; background: var(--sulfur); border-radius: 4px; font-family: "IBM Plex Mono", monospace; font-size: 12px; opacity: 0; transform: translateY(8px); pointer-events: none; transition: 180ms var(--ease); }
.toast.show { opacity: 1; transform: translateY(0); }

@media (max-width: 1180px) {
  .topbar { grid-template-columns: auto 1fr; }
  .nav { order: 3; grid-column: 1 / -1; justify-content: center; border-top: 1px solid var(--rule); padding-top: 6px; }
  .channels { justify-self: end; }
  .query-sweep { top: 103px; }
  .console-grid { grid-template-columns: 220px minmax(0,1fr); }
  .changelog-rail { grid-column: 1 / -1; }
  .change-list { grid-template-columns: repeat(5, minmax(180px,1fr)); overflow-x: auto; }
  .fact-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .register-opening { grid-template-columns: minmax(260px,.9fr) minmax(300px,1.1fr) 160px; }
  .ledger-opening { grid-template-columns: 180px minmax(320px,1fr) minmax(240px,.65fr); }
  .limits-opening { grid-template-columns: 80px minmax(340px,1fr) minmax(240px,.65fr); }
  .join-opening { grid-template-columns: 170px minmax(320px,1fr) minmax(230px,.7fr); }
  .process-panel, .workflow-panel { grid-template-columns: minmax(280px,.75fr) minmax(420px,1.25fr); }
  .handshake { grid-template-columns: minmax(240px,.65fr) minmax(320px,1fr); }
  .handshake > p { grid-column: 1 / -1; padding: 14px 0 0; border-left: 0; border-top: 1px solid var(--rule); }
}

@media (max-width: 760px) {
  .topbar { position: sticky; grid-template-columns: 1fr auto; gap: 8px; padding: 8px 12px; }
  .brand small, .channels { display: none; }
  .nav-toggle { display: block; }
  .nav { display: none; grid-column: 1 / -1; grid-template-columns: repeat(3, 1fr); gap: 4px; padding-top: 8px; }
  .nav.open { display: grid; }
  .nav a { text-align: center; border: 1px solid var(--rule); }
  .query-sweep { top: 53px; }
  #app { padding: 10px; }
  .console-grid { grid-template-columns: minmax(0, 1fr); }
  .console-grid > * { min-width: 0; }
  .center-stack { grid-row: 1; }
  .shelf-rail { grid-row: 2; }
  .changelog-rail { grid-column: auto; grid-row: 3; }
  .lookup, .answer { padding: 15px; }
  .lookup h1 { font-size: 31px; }
  .search-form { flex-direction: column; }
  .fact-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .fact:last-child { grid-column: 1 / -1; }
  .answer-top { display: grid; }
  .address-band, .ca-leaf { align-items: flex-start; }
  .ca-leaf { grid-template-columns: 1fr; }
  .matrix-head { align-items: flex-start; flex-direction: column; }
  .register-opening, .mcp-opening, .ledger-opening, .limits-opening, .join-opening { grid-template-columns: 1fr; min-height: 0; }
  .register-opening-title, .register-opening > p, .register-opening-status { padding: 16px; }
  .register-opening > p, .register-opening-status { border-left: 0; border-top: 1px solid var(--rule); }
  .register-opening-status { min-height: 78px; }
  .examples-opening { grid-template-columns: 1fr; gap: 0; }
  .examples-question { padding-bottom: 16px; }
  .examples-opening > p { margin: 0 0 18px; padding-left: 14px; }
  .examples-opening ol { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .examples-opening li { border-top: 1px solid var(--rule); }
  .examples-opening li:nth-child(-n+2) { border-top: 0; }
  .examples-opening li:nth-child(odd) { border-left: 0; }
  .mcp-opening-command { min-height: 126px; border-right: 0; border-bottom: 1px solid var(--rule); }
  .mcp-opening-command, .mcp-opening-copy { padding: 18px; }
  .ledger-opening { border: 1px solid var(--rule); border-radius: 4px; }
  .ledger-opening-edition { border-right: 0; border-bottom: 1px solid var(--rule); background: var(--raised); }
  .ledger-opening-title { padding: 20px; }
  .ledger-opening > p { padding: 0 20px 20px; border-left: 0; }
  .limits-opening { grid-template-columns: 46px minmax(0,1fr); padding-top: 8px; }
  .limits-opening-label { grid-row: 1 / 3; }
  .limits-opening h1 { padding: 12px 0 18px; }
  .limits-opening-note { grid-column: 2; margin: 0 0 18px; padding: 12px 0 0; border-left: 0; border-top: 1px solid var(--rule); }
  .join-opening-signal, .join-opening-message, .join-opening-instruction { padding: 18px; }
  .join-opening-message, .join-opening-instruction { border-left: 0; border-top: 1px solid var(--rule); }
  .register-intro, .examples-list, .mcp-layout, .limits, .join-grid, .process-panel, .workflow-panel, .self-check, .handshake, .mcp-transcript, .semver-note { grid-template-columns: 1fr; }
  .process-copy, .workflow-copy { border-right: 0; border-bottom: 1px solid var(--rule); }
  .workflow-copy ol { grid-template-columns: 1fr; }
  .sketch { padding: 10px; }
  .address-sketch svg { min-width: 690px; }
  .address-sketch { overflow-x: auto; }
  .workflow-sketch svg { min-width: 560px; }
  .workflow-sketch { overflow-x: auto; }
  .mcp-sketch svg { min-width: 720px; }
  .mcp-sketch { overflow-x: auto; }
  .ledger-sketch svg { min-width: 720px; }
  .ledger-sketch { overflow-x: auto; }
  .boundary-sketch svg { min-width: 590px; }
  .boundary-sketch { overflow-x: auto; }
  .handshake > p { grid-column: auto; }
  .self-check, .handshake { gap: 14px; }
  .rpc-case pre { max-height: 310px; }
  .ledger-line { grid-template-columns: 1fr; gap: 4px; }
  .topic-toolbar, .topic-source { align-items: flex-start; flex-direction: column; }
  .connecting-opening, .connecting-grid, .token-pair, .stock-opening, .stock-code, .aa-opening, .streams-call, .cross-opening, .gas-command { grid-template-columns: 1fr; }
  .connecting-opening dl { border-top: 1px solid var(--rule); }
  .protocol-opening { grid-template-columns: 1fr; }
  .protocol-opening > p, .protocol-opening > strong { border-left: 0; border-top: 1px solid var(--rule); }
  .protocol-opening > strong { min-height: 130px; }
  .token-card { grid-template-columns: 44px minmax(0,1fr); }
  .token-rule { grid-template-columns: 1fr; }
  .stock-equation, .gas-ledger { grid-template-columns: 1fr; }
  .stock-equation > i, .gas-ledger > b { text-align: center; }
  .aa-status { border-right: 0; border-bottom: 1px solid var(--rule); }
  .aa-explainer, .aa-boundary, .gas-checklist { grid-template-columns: 1fr; }
  .streams-opening { grid-template-columns: 1fr; }
  .streams-opening h1, .streams-opening code { grid-column: auto; }
  .streams-flow { grid-template-columns: 1fr; }
  .streams-flow i { text-align: center; transform: rotate(90deg); }
  .streams-flow div { min-width: 0; }
  .bridge-timeline { grid-template-columns: 1fr; border: 0; }
  .bridge-timeline li { border-left: 1px solid var(--rule); border-top: 1px solid var(--rule); }
  .bridge-timeline li:first-child { border-left: 1px solid var(--rule); }
  .bridge-note { grid-template-columns: 1fr; }
  .gas-opening { grid-template-columns: 1fr; }
  .gas-opening > strong { min-height: 130px; border-left: 0; border-top: 1px solid var(--rule); }
  .footer { grid-template-columns: 1fr; padding: 16px; }
  .footer-links { justify-content: flex-start; }
}

@media (max-width: 420px) {
  .brand img { width: 32px; height: 32px; }
  .brand > span { font-size: 14px; }
  .lookup h1 { font-size: 29px; }
  .fact-grid { grid-template-columns: 1fr; }
  .fact:last-child { grid-column: auto; }
  .address-band { display: grid; }
  .copy { justify-self: start; }
  th, td { padding: 9px 10px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .query-sweep span { transform: translateX(295%); opacity: 1; }
  .shelf-row.active::before, .verified { transform: none; opacity: 1; }
}