/* Longwire — a drafting table. Cool grey ground with a faint grid, graphite text in an engineering sans, one dark
   blueprint panel for the drawing, and a single signal colour on the wire that is live. Sharp corners throughout. */
:root {
  color-scheme: light;
  --ground: #e8ebee; --grid: rgba(35, 39, 43, .075); --ink: #23272b; --muted: #5c636a; --line: #b9c0c7; --panel: #f4f6f8; --panel-2: #dde2e7;
  --blue: #0e2a4d; --blue-2: #16375f; --blue-line: rgba(255, 255, 255, .78); --blue-dim: rgba(255, 255, 255, .28); --signal: #e0331f; --signal-soft: rgba(224, 51, 31, .16);
  --sans: "Barlow", "Helvetica Neue", Arial, sans-serif; --mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  --wrap: 1180px; --gutter: clamp(18px, 4vw, 48px);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { background: var(--ground); }
html, body { overflow-x: clip; }
body { min-height: 100svh; color: var(--ink); font: 400 17px/1.55 var(--sans); background-color: var(--ground);
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 24px 24px; }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
code, pre, kbd { font-family: var(--mono); }
.corners { position: fixed; z-index: 9; top: 12px; left: 12px; display: flex; gap: 8px; white-space: nowrap; }
.corner { flex: none; white-space: nowrap; padding: 4px 8px; background: var(--ground); font: 500 12px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); text-decoration: none; }
.corner:hover, .corner:focus-visible { color: var(--ink); outline: none; }
::selection { background: var(--signal-soft); }
.eyebrow { font: 500 11px/1.5 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.stamp { font: 400 11px/1.5 var(--mono); letter-spacing: .04em; color: var(--muted); }

/* ---------- masthead ---------- */
.masthead { width: min(var(--wrap), 100% - 2 * var(--gutter)); margin: 56px auto 0; padding: 0 0 14px; display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; border-bottom: 2px solid var(--ink); }
.mark { display: flex; align-items: flex-end; gap: 14px; text-decoration: none; }
.mark-wire { width: 150px; height: 30px; overflow: visible; }
.mark-wire path { fill: none; stroke: var(--ink); stroke-width: 2; }
.mark-wire .mark-span { stroke: var(--signal); }
.mark-wire .mark-code { font: 500 7.5px var(--mono); letter-spacing: .1em; fill: var(--ink); }
.mark-word { font: 600 22px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; }
.menu { display: flex; gap: 22px; font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.menu a { text-decoration: none; color: var(--muted); padding-bottom: 3px; border-bottom: 2px solid transparent; }
.menu a:hover, .menu a:focus-visible { color: var(--ink); outline: none; }
.menu a[aria-current="page"] { color: var(--ink); border-color: var(--signal); }

/* ---------- the view ---------- */
.view { width: min(var(--wrap), 100% - 2 * var(--gutter)); margin: 0 auto; min-height: 60svh; }
.loading { padding: 60px 0; color: var(--muted); font: 400 14px/1.5 var(--mono); }
h1 { font: 600 clamp(34px, 4.4vw, 58px)/1.02 var(--sans); letter-spacing: -.02em; text-wrap: balance; }
.standfirst { font-size: clamp(17px, 1.4vw, 20px); line-height: 1.5; color: #3a4047; text-wrap: pretty; max-width: 66ch; }

/* ---------- home: the longwire and the table ---------- */
.home { padding: clamp(36px, 5vw, 64px) 0 60px; }
.hero-wire { display: block; width: 100%; height: auto; margin: 6px 0 24px; overflow: visible; }
.hero-wire .post { stroke: var(--ink); stroke-width: 3; }
.hero-wire .span { fill: none; stroke: var(--ink); stroke-width: 2.5; }
.hero-wire .code { font: 500 12px var(--mono); letter-spacing: .12em; fill: var(--ink); }
.hero-wire .drop { stroke: var(--muted); stroke-width: 1.2; }
.hero-wire .tag rect { fill: var(--panel); stroke: var(--ink); stroke-width: 1.2; }
.hero-wire .tag text { font: 500 11px var(--mono); fill: var(--ink); }
.hero-wire .tag.queued rect { stroke: var(--line); fill: transparent; }
.hero-wire .tag.queued text { fill: var(--muted); }
.hero-wire a.tag:hover rect, .hero-wire a.tag:focus-visible rect { stroke: var(--signal); stroke-width: 2; }
.hero-wire a { outline: none; }
.home h1 { max-width: 18ch; }
.home .standfirst { margin-top: 18px; }
.bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; margin: clamp(30px, 4vw, 48px) 0 0; padding-bottom: 10px; border-bottom: 2px solid var(--ink); }
.filters { display: flex; gap: 2px; }
.filters button { padding: 7px 11px; font: 500 12px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); border: 1px solid transparent; }
.filters button:hover, .filters button:focus-visible { color: var(--ink); outline: none; }
.filters button[aria-pressed="true"] { color: var(--ink); border-color: var(--ink); background: var(--panel); }
.search { display: flex; align-items: center; gap: 10px; }
.search span { font: 500 11px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.search input { width: min(320px, 60vw); padding: 7px 8px; border: 1px solid var(--line); background: var(--panel); font: 400 14px/1.3 var(--mono); color: var(--ink); }
.search input:focus-visible { outline: none; border-color: var(--ink); }
/* the catalogue: one box per entry, three to a line, each with its own wiring at card size */
.grid { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 22px; }
.card { display: grid; grid-template-rows: auto 1fr; background: var(--panel); border: 1px solid var(--line); min-width: 0; }
.thumb { display: block; aspect-ratio: 3 / 2; padding: 12px 14px; background: var(--blue); border-bottom: 1px solid var(--blue-2); overflow: hidden; }
.thumb-svg { display: block; width: 100%; height: 100%; overflow: visible; }
.thumb .lane-head { font: 500 9.5px var(--mono); letter-spacing: .12em; text-transform: uppercase; fill: rgba(255, 255, 255, .62); }
.thumb .lane-rule { stroke: rgba(255, 255, 255, .18); stroke-width: 1; stroke-dasharray: 2 4; }
.thumb .t-wire { fill: none; stroke: var(--blue-line); stroke-width: 1.4; }
.thumb .t-node rect { fill: var(--blue); stroke: var(--blue-line); stroke-width: 1.2; }
.thumb .t-node text { font: 500 10.5px var(--sans); letter-spacing: .01em; fill: #fff; }
a.thumb { transition: border-color .15s; }
a.thumb:hover .t-wire, a.thumb:focus-visible .t-wire { stroke: var(--signal); }
a.thumb:hover .t-node rect, a.thumb:focus-visible .t-node rect { stroke: var(--signal); }
a.thumb:focus-visible { outline: 2px solid var(--signal); outline-offset: -2px; }
.c-body { display: grid; grid-template-rows: auto auto 1fr auto; gap: 8px; padding: 14px 16px 16px; }
.c-kind { display: flex; flex-wrap: wrap; gap: 4px 14px; font: 400 11.5px/1.5 var(--mono); color: var(--muted); }
.c-kind .k { font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--ink); }
.c-title { font: 500 clamp(17px, 1.5vw, 20px)/1.25 var(--sans); letter-spacing: -.01em; text-decoration: none; text-wrap: balance; }
a.c-title:hover, a.c-title:focus-visible { color: var(--signal); outline: none; }
.c-sum { font-size: 14px; line-height: 1.45; color: #3a4047; text-wrap: pretty; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.c-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; padding-top: 10px; border-top: 1px solid var(--line); font: 400 11.5px/1.5 var(--mono); color: var(--muted); }
.c-meta .tag { padding: 2px 6px; border: 1px solid var(--line); font-weight: 500; letter-spacing: .06em; text-transform: uppercase; font-size: 10px; }
.c-meta .stamp { margin-left: auto; }
.card.queued .thumb { background: var(--panel-2); border-bottom-color: var(--line); }
.card.queued .thumb .lane-head, .card.queued .thumb .t-node text { fill: var(--muted); }
.card.queued .thumb .lane-rule, .card.queued .thumb .t-wire, .card.queued .thumb .t-node rect { stroke: #9aa3ab; }
.card.queued .thumb .t-node rect { fill: var(--panel-2); }
.card.queued .c-title, .card.queued .c-sum { color: #8b939b; }
.card.queued .c-kind .k { color: #8b939b; }
.c-meta .q { font-style: italic; margin-left: auto; }
.count { margin-top: 14px; font: 400 12px/1.6 var(--mono); color: var(--muted); }
.empty { padding: 30px 0; color: var(--muted); font: 400 14px/1.6 var(--mono); }

/* ---------- a guide: steps beside the drawing ---------- */
.guide, .note, .plain { padding: clamp(32px, 4.5vw, 64px) 0 60px; }
.g-head { max-width: 860px; }
.g-head h1 { margin-top: 8px; }
.g-head .standfirst { margin-top: 16px; }
.meta { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 16px; font: 400 12px/1.6 var(--mono); color: var(--muted); }
.meta .stamp { color: var(--blue); font-weight: 500; }
.parts { margin-top: 30px; }
.parts h2, .rail h2 { font: 500 11px/1.5 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.tools { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 8px; margin-top: 10px; }
.tool { padding: 11px 13px; background: var(--panel); border: 1px solid var(--line); display: grid; gap: 3px; }
.tool a { font: 600 14px/1.3 var(--sans); text-decoration: none; letter-spacing: .01em; }
.tool a:hover, .tool a:focus-visible { color: var(--signal); outline: none; }
.tool span { font-size: 13px; line-height: 1.4; color: var(--muted); }
.disclosure { margin-top: 10px; font: 400 11.5px/1.5 var(--mono); color: var(--muted); max-width: 80ch; }
.actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 22px; }
.act { padding: 8px 12px; border: 1px solid var(--ink); font: 500 12px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; text-decoration: none; color: var(--ink); background: var(--panel); transition: background-color .15s, color .15s; }
.act:hover, .act:focus-visible { background: var(--ink); color: var(--ground); outline: none; }

.body { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: clamp(28px, 4vw, 56px); align-items: start; margin-top: 34px; padding-top: 24px; border-top: 2px solid var(--ink); }
.steps { min-width: 0; }
.intro { max-width: 66ch; }
.intro p, .step p { margin: 0 0 1em; text-wrap: pretty; }
.intro p:last-child { margin-bottom: 0; }
.step { padding: 26px 0 22px; border-top: 1px solid var(--line); max-width: 66ch; }
.step:first-of-type { margin-top: 26px; }
.step-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 14px; font: 600 clamp(21px, 2vw, 26px)/1.15 var(--sans); letter-spacing: -.015em; }
.step-head .num { font: 500 12px/1 var(--mono); letter-spacing: .1em; color: var(--ground); background: var(--ink); padding: 5px 7px; }
.step.is-active .step-head .num { background: var(--signal); }
.step .wires { margin: -6px 0 12px; font: 400 11.5px/1.5 var(--mono); color: var(--muted); }
.step .wires b { font-weight: 500; color: var(--signal); }
.step ul, .step ol, .intro ul { margin: 0 0 1em 1.2em; }
.step li { margin: .3em 0; }
.step strong, .intro strong { font-weight: 600; }
.step code, .intro code, .note article code { font-size: .84em; background: var(--panel-2); padding: .08em .3em; }
pre.code { position: relative; margin: 0 0 1.1em; padding: 12px 84px 12px 14px; background: var(--panel); border: 1px solid var(--line); font-size: 13px; line-height: 1.55; overflow-x: auto; tab-size: 4; }
pre.code code { background: none; padding: 0; font-size: inherit; }
pre.code .copy { position: absolute; top: 6px; right: 6px; padding: 5px 8px; border: 1px solid var(--line); background: var(--ground); font: 500 10.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); transition: background-color .15s, color .15s, border-color .15s; }
pre.code .copy:hover, pre.code .copy:focus-visible { color: var(--ground); background: var(--ink); border-color: var(--ink); outline: none; }

/* which pages to show: yours, your agent's, or both */
.controls { display: flex; justify-content: flex-end; margin-top: 30px; }
.side { display: inline-flex; gap: 2px; border: 1px solid var(--line); padding: 2px; background: var(--panel); }
.side button { padding: 7px 12px; font: 500 11.5px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); border: 1px solid transparent; }
.side button:hover, .side button:focus-visible { color: var(--ink); outline: none; }
.side button[aria-checked="true"] { color: var(--ground); background: var(--ink); border-color: var(--ink); }
.side button[data-side="agent"][aria-checked="true"] { background: var(--blue); border-color: var(--blue); color: #fff; }

/* the agent's side of a step: the same blueprint the drawing is on */
.step .you { min-width: 0; }
.step .agent { margin: 6px 0 4px; padding: 14px 16px 16px; background: var(--blue); color: #fff; border: 1px solid var(--blue-2); font: 400 13.5px/1.6 var(--mono); }
.step .agent.none { padding: 8px 0 0; background: none; border: 0; color: var(--muted); font-style: italic; font-size: 12.5px; }
.agent .a-head { display: flex; justify-content: space-between; gap: 12px; margin: 0 0 12px; padding-bottom: 8px; border-bottom: 1px solid rgba(255, 255, 255, .18); font: 500 10.5px/1.5 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: rgba(255, 255, 255, .62); }
.agent p { margin: 0 0 .9em; text-wrap: pretty; }
.agent .do p:last-child { margin-bottom: .9em; }
.agent code { font-size: .95em; background: var(--blue-2); padding: .05em .3em; color: #fff; }
.agent pre.code { margin: 0 0 1em; padding: 12px 84px 12px 14px; background: var(--blue-2); border: 1px solid rgba(255, 255, 255, .14); color: #fff; font-size: 12.5px; }
.agent pre.code code { background: none; padding: 0; }
.agent pre.code .copy { background: var(--blue); border-color: rgba(255, 255, 255, .3); color: rgba(255, 255, 255, .8); }
.agent pre.code .copy:hover, .agent pre.code .copy:focus-visible { background: #fff; color: var(--blue); border-color: #fff; }
.agent .confirm { padding: 8px 10px; border-left: 3px solid var(--signal); background: var(--signal-soft); }
.agent .confirm b, .agent .report b { font-weight: 500; color: #fff; }
.agent .confirm b { color: #ffb3a8; }
.agent .checks { list-style: none; margin: 0 0 .9em; }
.agent .checks li { position: relative; padding-left: 22px; margin: .35em 0; }
.agent .checks li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--blue-line); font-weight: 500; }
.agent .report { color: rgba(255, 255, 255, .85); }
.agent a { color: #fff; }
.agent ul:not(.checks), .agent ol { margin: 0 0 .9em 1.2em; }
.a-copy { margin-top: 4px; padding: 8px 12px; border: 1px solid rgba(255, 255, 255, .55); font: 500 11.5px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: #fff; transition: background-color .15s, color .15s; }
.a-copy:hover, .a-copy:focus-visible { background: #fff; color: var(--blue); outline: none; }
html[data-side="you"] .step .agent { display: none; }
html[data-side="agent"] .step .you { display: none; }
html[data-side="agent"] .step .agent { margin-top: 0; }
html[data-side="agent"] .intro { display: none; }

/* the line that installs the guide as a skill */
.install { margin-top: 22px; padding: 14px 16px 16px; background: var(--blue); color: #fff; border: 1px solid var(--blue-2); max-width: 860px; }
.install h2 { font: 500 10.5px/1.5 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: rgba(255, 255, 255, .62); }
.install .cmd { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: stretch; margin-top: 10px; }
.install pre { min-width: 0; padding: 10px 12px; background: var(--blue-2); border: 1px solid rgba(255, 255, 255, .14); font: 400 12.5px/1.5 var(--mono); white-space: pre-wrap; word-break: break-all; }
.install .p { color: rgba(255, 255, 255, .5); margin-right: 6px; }
.i-copy { padding: 0 14px; border: 1px solid rgba(255, 255, 255, .55); font: 500 11.5px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: #fff; transition: background-color .15s, color .15s; }
.i-copy:hover, .i-copy:focus-visible { background: #fff; color: var(--blue); outline: none; }
.install .then { margin-top: 10px; font: 400 12.5px/1.55 var(--mono); color: rgba(255, 255, 255, .85); text-wrap: pretty; }
.install .then code { background: var(--blue-2); padding: .05em .3em; color: #fff; }
.install .then a { color: #fff; }

/* the drawing */
.rail { position: sticky; top: 20px; background: var(--blue); color: #fff; padding: 16px 16px 14px; border: 1px solid var(--blue-2); }
.rail h2 { color: rgba(255, 255, 255, .6); }
.rail svg { display: block; width: 100%; height: auto; margin-top: 10px; overflow: visible; }
.rail .lane-head { font: 500 9.5px var(--mono); letter-spacing: .12em; text-transform: uppercase; fill: rgba(255, 255, 255, .62); }
.rail .lane-rule { stroke: rgba(255, 255, 255, .18); stroke-width: 1; stroke-dasharray: 2 4; }
.rail .node rect { fill: var(--blue); stroke: var(--blue-line); stroke-width: 1.2; }
.rail .node text { font: 500 10.5px var(--sans); letter-spacing: .01em; fill: #fff; }
.rail .node.pending rect { stroke: var(--blue-dim); }
.rail .node.pending text { fill: rgba(255, 255, 255, .55); }
.rail .node.live rect { stroke: var(--signal); stroke-width: 2; fill: rgba(224, 51, 31, .18); }
.rail .wire path { fill: none; stroke: var(--blue-line); stroke-width: 1.4; marker-end: url(#lw-arrow); }
.rail .wire.pending path { stroke: var(--blue-dim); stroke-dasharray: 3 4; marker-end: url(#lw-arrow-dim); }
.rail .wire.live path { stroke: var(--signal); stroke-width: 2.4; stroke-dasharray: none; marker-end: url(#lw-arrow-live); }
.rail .wire text { font: 400 9px var(--mono); fill: rgba(255, 255, 255, .85); }
.rail .wire rect { fill: var(--blue); }
.rail .wire.pending text { fill: rgba(255, 255, 255, .45); }
.rail .wire.live text { fill: #fff; font-weight: 500; }
.rail .wire.live rect { fill: var(--blue-2); }
.rail .arrow-fill { fill: var(--blue-line); } .rail .arrow-dim { fill: var(--blue-dim); } .rail .arrow-live { fill: var(--signal); }
.rail .now { margin-top: 12px; padding-top: 10px; border-top: 1px solid rgba(255, 255, 255, .18); font: 400 11.5px/1.5 var(--mono); color: rgba(255, 255, 255, .7); min-height: 2.4em; }
.rail .now b { color: #fff; font-weight: 500; }
.rail .now .live-word { color: var(--signal); font-weight: 500; }
.g-foot { margin-top: 30px; padding-top: 10px; border-top: 2px solid var(--ink); }

/* ---------- a note ---------- */
.note .body { grid-template-columns: minmax(0, 1fr) 380px; }
.note article { max-width: 66ch; }
.note article h2 { margin: 1.5em 0 .5em; font: 600 clamp(22px, 2.1vw, 27px)/1.2 var(--sans); letter-spacing: -.015em; }
.note article p { margin: 0 0 1em; text-wrap: pretty; }
.note article ul { margin: 0 0 1em 1.2em; }
.note article li { margin: .3em 0; text-wrap: pretty; }
.note article strong { font-weight: 600; }
.note .byline { margin-top: 30px; padding-top: 10px; border-top: 2px solid var(--ink); font: 400 13px/1.6 var(--mono); color: var(--muted); }

/* ---------- plain pages ---------- */
.plain .body { display: block; border-top: 0; margin-top: 26px; padding-top: 0; max-width: 66ch; }
.plain .body p { margin: 0 0 1em; text-wrap: pretty; }
.plain .body h2 { margin: 1.5em 0 .5em; font: 600 24px/1.2 var(--sans); letter-spacing: -.015em; }
.plain .body code { font-size: .85em; background: var(--panel-2); padding: .08em .3em; }

.plain .twins { list-style: none; margin: 0 0 1em; }
.plain .twins li { padding: 10px 0; border-bottom: 1px solid var(--line); display: grid; gap: 2px; }
.plain .twins a { font: 400 13px/1.5 var(--mono); word-break: break-all; }
.plain .body ul:not(.twins) { margin: 0 0 1em 1.2em; }
.plain .body li { margin: .3em 0; text-wrap: pretty; }
.plain .body pre.code { margin: 0 0 1em; padding: 12px 84px 12px 14px; background: var(--panel); border: 1px solid var(--line); font-size: 13px; line-height: 1.55; white-space: pre-wrap; }
.plain .body a.mono { font-family: var(--mono); font-size: .9em; }

/* ---------- colophon, toast ---------- */
.colophon { width: min(var(--wrap), 100% - 2 * var(--gutter)); margin: 0 auto; padding: 26px 0 60px; border-top: 1px solid var(--line); }
.colophon p { max-width: 760px; font: 400 12px/1.6 var(--mono); color: var(--muted); }
.toast { position: fixed; left: 50%; bottom: 26px; z-index: 20; transform: translateX(-50%); padding: 10px 16px; background: var(--ink); color: var(--ground); font: 500 12px/1.4 var(--mono); letter-spacing: .04em; max-width: min(90vw, 560px); text-align: center; }
.toast[hidden] { display: none; }

@media (max-width: 960px) {
  .masthead { margin-top: 50px; flex-direction: column; align-items: flex-start; gap: 12px; }
  .body, .note .body { grid-template-columns: 1fr; }
  .rail { position: static; order: -1; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .controls { justify-content: flex-start; }
  .bar { flex-direction: column; align-items: stretch; }
  .search input { width: 100%; }
}
@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
  .side { display: flex; }
  .side button { flex: 1; padding: 8px 6px; }
  .install .cmd { grid-template-columns: 1fr; }
  .i-copy { padding: 9px 14px; }
}
@media (prefers-reduced-motion: reduce) {
  .act, pre.code .copy, .a-copy, .i-copy, a.thumb { transition: none; }
}

/* ---------- print: the drawing first, then the steps ---------- */
@media print {
  @page { margin: 14mm 12mm 18mm; }
  html, body { background: #fff !important; background-image: none !important; color: #000; font-size: 11pt; }
  .corners, .masthead .menu, .actions, .controls, .install, .a-copy, .toast, .colophon, .bar, .count, pre.code .copy { display: none !important; }
  .masthead { margin-top: 0; border-color: #000; }
  .view, .masthead { width: 100%; }
  .body { display: flex; flex-direction: column; border-color: #000; }
  .rail { position: static; order: -1; background: #fff; color: #000; border: 1px solid #000; margin-bottom: 8mm; break-inside: avoid; max-width: 420px; }
  .rail h2, .rail .lane-head, .rail .now { color: #000; fill: #000; }
  .rail .node rect { fill: #fff; stroke: #000; } .rail .node text { fill: #000; }
  .rail .wire path { stroke: #000; } .rail .wire text { fill: #000; } .rail .wire rect { fill: #fff; }
  .rail .wire.live path, .rail .node.live rect { stroke: #000; } .rail .node.live rect { fill: #eee; }
  .rail .arrow-fill, .rail .arrow-dim, .rail .arrow-live { fill: #000; }
  .rail .wire.pending path { stroke: #000; stroke-dasharray: none; } .rail .wire.pending text, .rail .node.pending text { fill: #000; } .rail .node.pending rect { stroke: #000; }
  .step { break-inside: avoid; }
  html[data-side] .step .you, html[data-side] .step .agent, html[data-side] .intro { display: block !important; }
  .step .agent { background: #f2f3f5 !important; color: #000; border: 1px solid #999; font-size: 9pt; }
  .agent .a-head, .agent .confirm b, .agent .report, .agent .checks li::before { color: #000; }
  .agent code, .agent pre.code, .install .then code { background: #e6e6e6 !important; color: #000; border-color: #999; }
  .agent .confirm { background: #fff; border-left-color: #000; }
  pre.code { break-inside: avoid; white-space: pre-wrap; background: #f3f3f3; border-color: #999; padding-right: 14px; }
  .g-foot { position: fixed; bottom: 0; left: 0; right: 0; border-top: 1px solid #000; background: #fff; padding: 2mm 0 0; }
  .g-foot .stamp { color: #000; font-size: 8pt; }
  a { text-decoration: none; color: #000; }
  .tools { grid-template-columns: repeat(3, 1fr); }
  .tool a::after { content: " · " attr(href); font: 400 8.5pt/1.3 var(--mono); color: #444; }
}