/* MindChain instrument system — paper / ink / signal */

:root {
  --paper: #f7f2e5;
  --panel: #fbf8ef;
  --ink: #3a352b;
  --strong: #1c1811;
  --muted: #96907f;
  --signal: #b8340f;
  --line: rgba(28, 24, 17, .13);
  --soft: rgba(28, 24, 17, .045);
  --lift: 0 1px 0 rgba(28, 24, 17, .05), 0 14px 26px -20px rgba(28, 24, 17, .35);
  --rail: 176px;
  --mono: "Fira Code", monospace;
  --sans: "Space Grotesk", sans-serif;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }

html { background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 14px; }
body {
  margin: 0;
  min-height: 100vh;
  background-image: linear-gradient(rgba(28, 24, 17, .025) 1px, transparent 1px);
  background-size: 100% 8px;
}
a { color: inherit; }

.sr-only {
  position: absolute !important;
  width: 1px !important; height: 1px !important;
  padding: 0 !important; margin: -1px !important;
  overflow: hidden !important; clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important; border: 0 !important;
}
a:focus-visible, button:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }
.skip-link {
  position: fixed; left: 12px; top: 10px; z-index: 50;
  padding: 9px 12px; background: var(--strong); color: var(--paper);
  font: 500 9px var(--mono); transform: translateY(-160%);
  transition: transform 180ms ease;
}
.skip-link:focus { transform: translateY(0); }

/* ---- Rail navigation ---- */

.rail {
  position: fixed; inset: 0 auto 0 0; width: var(--rail);
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column;
  background: rgba(247, 242, 229, .97);
  z-index: 20;
}
.brand {
  height: 94px; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 12px;
  padding: 0 24px; text-decoration: none;
}
.brand-mark {
  display: grid; place-items: center; width: 30px; height: 30px;
  border: 1px solid var(--strong); font: 600 14px var(--mono);
}
.brand-word { font-size: 11px; letter-spacing: .18em; font-weight: 600; }
.rail nav { padding-top: 24px; }
.rail nav a {
  position: relative; display: flex; align-items: center; gap: 12px;
  height: 50px; padding: 0 24px; text-decoration: none;
  text-transform: uppercase; font: 500 10px var(--mono);
  letter-spacing: .08em; color: var(--muted);
  transition: color 200ms ease, background-color 200ms ease;
}
.rail nav a:hover, .rail nav a.active { color: var(--strong); background: var(--soft); }
.rail nav a.active::before {
  content: ""; position: absolute; left: 0; width: 3px; height: 20px;
  background: var(--signal);
}
.nav-index { font-size: 8px; color: var(--muted); }
.rail-foot {
  margin-top: auto; border-top: 1px solid var(--line); height: 64px;
  display: flex; align-items: center; gap: 8px; padding: 0 24px;
  font: 500 8px var(--mono); letter-spacing: .1em;
}
.pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.pulse.live { background: var(--signal); box-shadow: 0 0 0 4px rgba(184, 52, 15, .11); }

main { margin-left: var(--rail); min-height: 100vh; }
.mobile-tabs { display: none; }

/* ---- Page head ---- */

.page-head {
  min-height: 94px; border-bottom: 1px solid var(--line);
  display: grid; grid-template-columns: minmax(280px, 1fr) repeat(3, minmax(130px, 180px));
  align-items: stretch;
}
.page-title { padding: 24px 32px; display: flex; flex-direction: column; justify-content: center; }
.eyebrow, .section-label, .metric-label, .stamp, .micro {
  font: 500 9px var(--mono); letter-spacing: .13em; text-transform: uppercase;
}
.eyebrow { color: var(--signal); margin-bottom: 7px; }
.page-title h1 { margin: 0; font-size: 25px; font-weight: 500; letter-spacing: -.035em; color: var(--strong); }
.head-metric { border-left: 1px solid var(--line); padding: 20px; display: flex; flex-direction: column; justify-content: center; }
.metric-label { color: var(--muted); margin-bottom: 7px; }
.metric-value {
  font: 500 22px var(--mono); letter-spacing: -.05em;
  color: var(--strong); font-variant-numeric: tabular-nums;
}
.metric-sub { font: 400 8px var(--mono); color: var(--muted); margin-top: 5px; }

/* ---- Sections ---- */

.content { padding: 0 32px 40px; }
.section { border-bottom: 1px solid var(--line); padding: 26px 0; }
.section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; gap: 16px; }
.section-label { color: var(--strong); }
.section-label::before {
  content: ""; display: inline-block; width: 12px; height: 1px;
  background: var(--signal); margin-right: 9px; vertical-align: middle;
}
.section-note { font: 400 9px var(--mono); color: var(--muted); }

.instrument-grid { display: grid; grid-template-columns: minmax(0, 1.8fr) minmax(250px, .7fr); gap: 32px; }
.instrument { min-width: 0; }
.instrument-grid > *, .split > * { min-width: 0; }
.split div { min-width: 0; }
.table-scroll { width: 100%; max-width: 100%; }
.split .table-scroll { display: block; width: auto; overflow: auto; }

/* ---- Charts and gauges ---- */

.chart-frame {
  height: 220px; position: relative;
  border-left: 1px solid var(--line); border-bottom: 1px solid var(--line);
  overflow: hidden; background: var(--panel);
  background-image: repeating-linear-gradient(0deg, transparent 0, transparent 43px, var(--line) 44px);
  box-shadow: var(--lift);
}
.chart-frame svg { width: 100%; height: 100%; display: block; }
.chart-empty {
  position: absolute; inset: 0; display: grid; place-items: center;
  background: repeating-linear-gradient(135deg, transparent 0, transparent 6px, rgba(28, 24, 17, .04) 6px, rgba(28, 24, 17, .04) 7px);
  font: 500 9px var(--mono); letter-spacing: .12em; color: var(--muted);
}
.axis-row { display: flex; justify-content: space-between; padding-top: 8px; font: 400 8px var(--mono); color: var(--muted); }

.lag-scale { height: 220px; display: flex; gap: 16px; }
.lag-rail { position: relative; width: 24px; border-left: 1px solid var(--line); margin-left: 12px; }
.lag-rail::before {
  content: "NORMAL"; position: absolute; bottom: 0; left: -7px;
  width: 14px; height: 25%; background: rgba(58, 53, 43, .08);
  font: 400 6px var(--mono); writing-mode: vertical-rl; text-align: center; padding: 5px 2px;
}
.lag-dot {
  position: absolute; left: -6px; width: 11px; height: 11px;
  background: var(--signal); transform: rotate(45deg); transition: bottom .4s;
}
.lag-read { display: flex; flex-direction: column; justify-content: center; }
.lag-read strong { font: 500 44px var(--mono); letter-spacing: -.08em; color: var(--strong); }
.lag-read span { font: 400 9px var(--mono); color: var(--muted); }

.cadence {
  display: flex; align-items: flex-end; height: 74px; gap: 2px;
  border-bottom: 1px solid var(--line); padding-bottom: 1px;
}
.cadence i { display: block; flex: 1; min-width: 2px; background: var(--ink); opacity: .7; }
.cadence i.latest { background: var(--signal); opacity: 1; }

.service-list { border-top: 1px solid var(--line); }
.service {
  display: grid; grid-template-columns: 12px 1fr auto; align-items: center;
  gap: 10px; border-bottom: 1px solid var(--line); padding: 13px 0;
}
.status-dot { width: 7px; height: 7px; border: 1px solid var(--muted); border-radius: 50%; }
.status-dot.online { border-color: var(--ink); background: var(--ink); }
.status-dot.degraded, .status-dot.upgrade_required { border-color: var(--signal); background: var(--signal); }
.status-dot.stalled, .status-dot.catching_up { border-color: var(--signal); background: var(--signal); }
.status-dot.offline, .status-dot.unreported { background: transparent; border-color: var(--muted); }
.service-name { font-size: 12px; }
.service-detail {
  font: 400 8px var(--mono); color: var(--muted); max-width: 240px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.topology {
  height: 220px; position: relative; border: 1px solid var(--line);
  background: var(--panel);
  background-image: radial-gradient(var(--line) .7px, transparent .7px);
  background-size: 14px 14px;
  box-shadow: var(--lift);
}
.topology svg { width: 100%; height: 100%; }
.topology-key { display: flex; gap: 18px; margin-top: 10px; font: 400 8px var(--mono); color: var(--muted); }
.key-solid::before, .key-dash::before {
  content: ""; display: inline-block; width: 20px;
  border-top: 1px solid var(--ink); margin-right: 6px; vertical-align: middle;
}
.key-dash::before { border-top-style: dashed; }

/* ---- Consensus pipeline ---- */

.pipeline { display: grid; grid-template-columns: 1fr 80px 1fr 80px 1fr; align-items: center; padding: 30px 0; }
.stage { min-height: 130px; border: 1px solid var(--line); padding: 20px; position: relative; background: var(--panel); }
.stage.unsafe {
  border-style: dashed;
  background: repeating-linear-gradient(135deg, transparent 0 9px, rgba(28, 24, 17, .02) 9px 10px);
}
.stage.justified { background: linear-gradient(90deg, rgba(28, 24, 17, .07) 50%, var(--panel) 50%); }
.stage.finalized { background: var(--strong); color: var(--paper); box-shadow: 4px 4px 0 rgba(28, 24, 17, .16); }
.stage .metric-value { font-size: 28px; }
.stage.finalized .metric-value, .stage.finalized .metric-label { color: inherit; }
.connector { border-top: 1px solid var(--ink); position: relative; }
.connector::after { content: "›"; position: absolute; right: -2px; top: -12px; font-size: 18px; }
.connector span {
  position: absolute; top: 7px; width: 100%; text-align: center;
  font: 400 7px var(--mono); color: var(--muted);
}
.progress-track { height: 4px; background: var(--line); margin-top: 16px; }
.progress-track i { display: block; height: 100%; background: var(--signal); }

.ribbon { display: grid; grid-template-columns: repeat(32, 1fr); gap: 3px; border-bottom: 1px solid var(--line); padding-bottom: 4px; }
.ribbon button {
  appearance: none; border: 0; background: var(--ink); height: 24px; padding: 0; cursor: pointer;
  transition: background-color 200ms ease;
}
.ribbon button:hover, .ribbon button.selected { background: var(--signal); }
.ribbon button.missing { background: transparent; border: 1px dashed var(--muted); }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, .42fr); gap: 32px; }
.ledger { width: 100%; border-collapse: collapse; table-layout: fixed; }
.ledger th {
  font: 500 8px var(--mono); letter-spacing: .1em; text-align: left;
  color: var(--muted); padding: 10px 8px; border-bottom: 1px solid var(--line);
}
.ledger td {
  font: 400 10px var(--mono); padding: 13px 8px; border-bottom: 1px solid var(--line);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ledger tr[data-block] { cursor: pointer; }
.ledger tr[data-block]:hover { background: var(--soft); }
.ledger tr.selected td { color: var(--strong); background: var(--soft); }
.ledger tr.selected td:first-child { box-shadow: inset 3px 0 0 var(--signal); }
.hash { font: 400 9px var(--mono); color: var(--muted); }

.drawer { border-left: 3px solid var(--signal); padding: 18px; background: var(--soft); }
.drawer .stamp { color: var(--signal); margin-bottom: 18px; }
#block-drawer.drawer-in .drawer { animation: drawer-enter 220ms var(--ease) both; }
.kv { display: grid; grid-template-columns: 110px 1fr; border-bottom: 1px solid var(--line); padding: 8px 0; gap: 12px; }
.kv dt { font: 400 8px var(--mono); color: var(--muted); }
.kv dd { margin: 0; font: 400 9px var(--mono); overflow-wrap: anywhere; }

/* ---- Compute ---- */

.supply-band { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); background: var(--panel); box-shadow: var(--lift); }
.supply-item { padding: 22px; border-right: 1px solid var(--line); }
.supply-item:last-child { border-right: 0; }
.supply-item .metric-value { font-size: 28px; }

.state-flow {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: var(--panel);
}
.state-step { padding: 22px; position: relative; }
.state-step:not(:last-child)::after {
  content: "→"; position: absolute; right: -5px; top: 29px; color: var(--muted); z-index: 1;
}
.state-step strong { display: block; font: 500 32px var(--mono); color: var(--strong); }
.state-step span { font: 500 8px var(--mono); letter-spacing: .1em; color: var(--muted); }
.state-step.active strong { color: var(--signal); }

.waterfall {
  height: 88px; border: 1px solid var(--line); background: var(--panel);
  display: flex; align-items: center; padding: 22px; gap: 18px;
  box-shadow: var(--lift);
}
.waterfall-track { height: 24px; flex: 1; border: 1px solid var(--muted); display: flex; }
.waterfall-track i { height: 100%; background: var(--ink); }
.waterfall-track i.signal { background: var(--signal); }

.disclosure {
  border-left: 3px solid var(--signal); padding: 11px 14px;
  font: 400 8px/1.6 var(--mono); color: var(--muted);
  background: rgba(184, 52, 15, .04);
}

/* ---- Fleet / nodes ---- */

.fleet { border-top: 1px solid var(--line); }
.node-row {
  display: grid; grid-template-columns: 44px minmax(160px, 1fr) 1.2fr 1fr 130px;
  align-items: center; gap: 18px; border-bottom: 1px solid var(--line);
  padding: 19px 4px; border-left: 2px solid transparent; padding-left: 8px;
  transition: background-color 200ms ease;
}
.node-row.is-online { border-left-color: var(--ink); }
.node-row.is-stale { border-left-color: var(--signal); }
.node-row.is-stale .kv dd, .node-row.is-stale .metric-value { color: var(--muted); }
.node-row.is-stale .node-telemetry { color: var(--signal); }
.node-row.is-ghost { border-left: 2px dashed var(--muted); }
.node-row.is-ghost .node-name, .node-row.is-ghost .node-glyph { color: var(--muted); border-color: var(--muted); }
.node-row:hover, .node-row:focus-within {
  background: rgba(28, 24, 17, .025);
  outline: 1px solid rgba(28, 24, 17, .32); outline-offset: -1px;
}
.node-row.is-ghost:hover { outline-style: dashed; }
.node-glyph {
  width: 30px; height: 30px; border: 1px solid var(--ink);
  display: grid; place-items: center; font: 500 9px var(--mono);
}
.node-glyph.worker { border-radius: 50%; }
.glyph-reported { stroke-width: 1.5; }
.node-name { font-weight: 500; color: var(--strong); }
.node-role, .node-telemetry { font: 400 8px/1.5 var(--mono); color: var(--muted); text-transform: uppercase; }
.node-infrastructure { margin-top: 5px; font: 400 7px/1.4 var(--mono); color: var(--muted); text-transform: uppercase; }
.capacity-bars { display: flex; gap: 4px; align-items: flex-end; height: 30px; }
.capacity-bars i { width: 8px; background: var(--ink); }
.incident {
  border: 1px solid var(--signal); color: var(--signal);
  padding: 13px 16px; font: 400 9px var(--mono); margin-bottom: 8px;
}
.empty-fleet {
  border: 1px dashed var(--muted); padding: 25px; text-align: center;
  font: 400 9px/1.6 var(--mono); color: var(--muted);
}

/* ---- Mesh topology ---- */

.mesh-edge { stroke: var(--ink); stroke-width: .55; vector-effect: non-scaling-stroke; opacity: .55; }
.mesh-edge.motion-link { stroke-dasharray: 3 3; opacity: .9; }
.mesh-edge.is-muted { stroke: var(--muted); stroke-dasharray: 1.5 2.5; opacity: .5; }
.mesh-node > circle, .mesh-node > rect { fill: var(--paper); stroke: var(--ink); stroke-width: .75; vector-effect: non-scaling-stroke; }
.mesh-node.online > circle, .mesh-node.online > rect { fill: var(--ink); }
.mesh-node.catching_up > circle, .mesh-node.catching_up > rect,
.mesh-node.degraded > circle, .mesh-node.degraded > rect,
.mesh-node.stalled > circle, .mesh-node.stalled > rect { fill: var(--signal); stroke: var(--signal); }
.mesh-node.offline > circle, .mesh-node.offline > rect,
.mesh-node.unreported > circle, .mesh-node.unreported > rect { stroke: var(--muted); stroke-dasharray: 1 1; }
.mesh-node text { fill: var(--ink); font: 500 3px var(--mono); letter-spacing: .03em; }
.mesh-node .mesh-core { fill: var(--signal); stroke: var(--signal); }
.fleet-topology { height: 300px; }

/* ---- Indexer quorum ---- */

.quorum-split { grid-template-columns: minmax(0, 1.4fr) minmax(280px, .6fr); }
.quorum-panel { display: grid; grid-template-columns: minmax(260px, .9fr) minmax(260px, 1.1fr); gap: 28px; align-items: center; }
.quorum-orbit {
  position: relative; min-height: 280px; border: 1px solid var(--line);
  background: var(--panel);
  background-image: radial-gradient(var(--line) .65px, transparent .65px);
  background-size: 13px 13px;
  box-shadow: var(--lift);
}
.quorum-orbit::before {
  content: ""; position: absolute; inset: 42px;
  border: 1px dashed rgba(28, 24, 17, .24); border-radius: 50%;
}
.quorum-core {
  position: absolute; left: 50%; top: 50%; width: 92px; height: 92px;
  transform: translate(-50%, -50%);
  display: grid; place-content: center; text-align: center;
  background: var(--strong); color: var(--paper); border-radius: 50%;
}
.quorum-core strong { font: 500 24px var(--mono); letter-spacing: -.08em; }
.quorum-core span { font: 500 7px var(--mono); letter-spacing: .14em; color: rgba(247, 242, 229, .62); }
.quorum-node {
  position: absolute; width: 66px; min-height: 42px;
  border: 1px solid var(--muted); background: var(--paper);
  display: grid; place-content: center; text-align: center;
}
.quorum-node.online { border-color: var(--ink); }
.quorum-node.offline, .quorum-node.unreported { border-style: dashed; color: var(--muted); }
.quorum-node b { font: 600 10px var(--mono); }
.quorum-node span { font: 400 7px var(--mono); text-transform: uppercase; color: var(--muted); }
.quorum-node.q0 { left: 50%; top: 17px; transform: translateX(-50%); }
.quorum-node.q1 { right: 14px; top: 50%; transform: translateY(-50%); }
.quorum-node.q2 { left: 50%; bottom: 17px; transform: translateX(-50%); }
.quorum-node.q3 { left: 14px; top: 50%; transform: translateY(-50%); }
.quorum-stats { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.quorum-stats > div {
  min-height: 92px; padding: 18px;
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  display: flex; flex-direction: column; justify-content: space-between;
}
.quorum-stats span { font: 500 8px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.quorum-stats strong { font: 500 24px var(--mono); color: var(--strong); font-variant-numeric: tabular-nums; }

.indexer-rail {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.indexer-row { padding: 18px; border-right: 1px solid var(--line); }
.indexer-row:last-child { border-right: 0; }
.indexer-row > div:first-child { display: flex; flex-direction: column; min-height: 48px; }
.indexer-row b { font: 600 10px var(--mono); color: var(--strong); }
.indexer-row span { font: 400 7px/1.5 var(--mono); color: var(--muted); overflow-wrap: anywhere; }
.indexer-row > div:nth-child(2) { display: flex; align-items: center; gap: 8px; margin: 10px 0; font: 500 8px var(--mono); text-transform: uppercase; }
.indexer-row dl { margin: 0; border-top: 1px solid var(--line); }
.indexer-row dl > div { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px solid var(--line); }
.indexer-row dt, .indexer-row dd { margin: 0; font: 400 8px var(--mono); }
.indexer-row dt { color: var(--muted); }
.indexer-row.catching_up { background: repeating-linear-gradient(135deg, transparent 0 9px, rgba(184, 52, 15, .035) 9px 10px); }

/* ---- Shared states ---- */

.unavailable {
  min-height: 150px; border: 1px dashed var(--muted);
  display: grid; place-items: center; text-align: center; padding: 24px;
  background: repeating-linear-gradient(135deg, transparent 0, transparent 7px, rgba(28, 24, 17, .035) 7px, rgba(28, 24, 17, .035) 8px);
}
.unavailable strong { display: block; font: 500 10px var(--mono); letter-spacing: .1em; color: var(--strong); margin-bottom: 8px; }
.unavailable span { font: 400 9px var(--mono); color: var(--muted); max-width: 340px; }

.error-banner {
  margin: 20px 32px 0; border: 1px solid var(--signal);
  padding: 12px 15px; color: var(--signal); font: 500 9px var(--mono);
}
.boot {
  height: 100vh; display: flex; align-items: center; justify-content: center;
  gap: 12px; font: 500 9px var(--mono); letter-spacing: .12em;
}
.spinner {
  width: 13px; height: 13px; border: 1px solid var(--muted);
  border-top-color: var(--signal); border-radius: 50%;
  animation: spin .8s linear infinite;
}

/* ---- Calm motion ---- */

.section.motion-pending { opacity: 0; transform: translateY(10px); }
.section.motion-visible { opacity: 1; transform: none; transition: opacity 500ms var(--ease), transform 500ms var(--ease); }

#app.route-enter .page-title { animation: fade-enter 420ms var(--ease) both; }
#app.route-enter .head-metric { animation: fade-enter 420ms var(--metric-delay, 60ms) var(--ease) both; }
#app.route-enter .drawer { animation: drawer-enter 320ms var(--ease) both; }
#app.live-refresh .metric-value, #app.live-refresh .lag-read strong { animation: metric-refresh 420ms var(--ease); }

.chart-frame svg polyline.motion-path {
  stroke-dasharray: var(--path-length);
  stroke-dashoffset: var(--path-length);
  animation: path-draw 900ms var(--ease) forwards;
}
.pulse.live { animation: status-breathe 2600ms var(--ease) infinite; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fade-enter { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes drawer-enter { from { opacity: 0; transform: translateX(10px); } to { opacity: 1; transform: none; } }
@keyframes metric-refresh { 0% { opacity: 1; } 40% { opacity: .4; } 100% { opacity: 1; } }
@keyframes path-draw { to { stroke-dashoffset: 0; } }
@keyframes status-breathe { 0%, 100% { box-shadow: 0 0 0 0 rgba(184, 52, 15, .14); } 50% { box-shadow: 0 0 0 5px rgba(184, 52, 15, 0); } }

/* ---- Responsive ---- */

@media (max-width: 900px) {
  :root { --rail: 0px; }
  .rail { display: none; }
  main { margin: 0; padding-bottom: 61px; }
  .mobile-tabs {
    display: grid; position: fixed; bottom: 0; left: 0; right: 0; height: 61px;
    grid-template-columns: repeat(4, 1fr);
    background: rgba(247, 242, 229, .98); border-top: 1px solid var(--line); z-index: 30;
  }
  .mobile-tabs a {
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    text-decoration: none; font: 500 7px var(--mono); color: var(--muted); gap: 4px;
  }
  .mobile-tabs a b { font-size: 9px; }
  .mobile-tabs a.active { color: var(--signal); background: var(--soft); }
  .page-head { grid-template-columns: repeat(3, 1fr); min-height: 0; }
  .page-title { grid-column: 1 / -1; padding: 20px; border-bottom: 1px solid var(--line); }
  .page-title h1 { font-size: 22px; }
  .head-metric { padding: 14px 12px; border-left: 0; border-right: 1px solid var(--line); }
  .head-metric:last-child { border-right: 0; }
  .metric-value { font-size: 18px; }
  .content { padding: 0 18px 28px; }
  .section { padding: 22px 0; }
  .instrument-grid, .split { grid-template-columns: 1fr; gap: 24px; }
  .chart-frame { height: 180px; }
  .pipeline { grid-template-columns: 1fr; gap: 12px; padding: 10px 0; }
  .connector { height: 24px; border-top: 0; border-left: 1px solid var(--ink); margin-left: 50%; width: 1px; }
  .connector::after { content: "↓"; left: -6px; top: 7px; }
  .connector span { left: 12px; top: 3px; width: 130px; text-align: left; }
  .stage { min-height: 100px; }
  .ribbon { grid-template-columns: repeat(16, 1fr); }
  .supply-band { grid-template-columns: 1fr 1fr; }
  .supply-item:nth-child(2) { border-right: 0; }
  .supply-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .state-flow { grid-template-columns: 1fr 1fr; }
  .state-step:nth-child(2)::after { display: none; }
  .node-row { grid-template-columns: 38px 1fr auto; gap: 10px; }
  .node-row > :nth-child(4), .node-row > :nth-child(5) { grid-column: 2 / -1; }
  .topology { height: 190px; }
  .service-detail { max-width: 120px; }
  .ledger { min-width: 620px; }
  .table-scroll { overflow: auto; }
  .error-banner { margin: 12px 18px 0; }
  .quorum-split, .quorum-panel { grid-template-columns: 1fr; }
  .quorum-orbit { min-height: 260px; }
  .indexer-rail { grid-template-columns: 1fr; }
  .indexer-row { border-right: 0; border-bottom: 1px solid var(--line); }
  .indexer-row:last-child { border-bottom: 0; }
  .fleet-topology { height: 240px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .section.motion-pending { opacity: 1; transform: none; }
}