:root {
  --bg: #000000;
  --text: #e6e6e6;
  --muted: #7a7a7a;
  --dim: #9a9a9a;
  --line: #171717;
  --line2: #2a2a2a;
  --code: #8fb8e6;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

::selection { background: #1f1f1f; }

.wrap { max-width: 620px; margin: 0 auto; padding: 0 28px; }

/* header */
header { border-bottom: 1px solid var(--line); }
.nav {
  max-width: 620px; margin: 0 auto; padding: 18px 28px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand {
  font-family: var(--mono); font-size: 15px; font-weight: 500;
  letter-spacing: 0.5px; color: var(--text); text-decoration: none;
}
.links { display: flex; align-items: center; gap: 18px; }
.links a { color: var(--muted); display: inline-flex; transition: color 0.15s; }
.links a:hover { color: var(--text); }

/* contract address */
.ca { font-family: var(--mono); font-size: 12px; color: var(--dim); letter-spacing: 0.3px; }
.ca .lbl { color: var(--muted); }

/* logo */
.logo { display: flex; justify-content: center; padding: 96px 0 72px; }
.logo img { width: 200px; height: auto; display: block; }

/* intro */
.intro { padding-bottom: 8px; }
.intro p { font-size: 17px; line-height: 1.75; color: var(--text); margin: 0; letter-spacing: -0.1px; }

code {
  font-family: var(--mono); font-size: 0.88em; color: #cfcfcf;
  background: #0b0b0b; border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px;
}
/* the one accented value on the whole site */
code.f { color: var(--code); }

hr { border: none; border-top: 1px solid var(--line); margin: 48px 0; }

/* section headings */
h2 {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  letter-spacing: 1.5px; text-transform: uppercase; color: var(--muted);
  margin: 0 0 20px;
}

/* laboratory modules */
.module-heading {
  display: flex; justify-content: space-between; align-items: baseline; gap: 18px;
  margin-bottom: 20px;
}
.module-heading h2 { margin-bottom: 0; }
.module-meta, .specimen-label, .organism-signal {
  font-family: var(--mono); text-transform: uppercase;
}
.module-meta { color: #7a7a7a; font-size: 10px; letter-spacing: 1px; }
.specimen-label { color: var(--text); font-size: 12px; letter-spacing: 0.7px; margin: 0 0 16px; }
.telemetry-grid {
  margin: 0; border-top: 1px solid var(--line); font-family: var(--mono);
}
.telemetry-grid > div {
  display: grid; grid-template-columns: 185px 1fr; gap: 16px;
  padding: 9px 0; border-bottom: 1px solid var(--line);
}
.telemetry-grid dt {
  color: var(--muted); font-size: 11px; letter-spacing: 0.5px; text-transform: uppercase;
}
.telemetry-grid dd { margin: 0; color: var(--dim); font-size: 12.5px; text-align: right; }
.telemetry-grid dd.verified { color: var(--code); }
.organism-signal {
  display: flex; align-items: center; gap: 9px;
  margin: 16px 0 0; color: var(--muted); font-size: 10px; letter-spacing: 0.8px;
}
.alive-dot {
  width: 5px; height: 5px; border-radius: 50%; background: var(--code);
  box-shadow: 0 0 0 2px rgba(143, 184, 230, 0.08);
  animation: organism-breath 4.8s ease-in-out infinite;
}
@keyframes organism-breath {
  0%, 100% { opacity: 0.38; transform: scale(0.88); }
  50% { opacity: 0.95; transform: scale(1); }
}

/* lore */
.lore p { color: var(--dim); margin: 0 0 18px; }
.lore em { font-style: normal; color: var(--text); }
.lore .cite { font-size: 13px; color: var(--muted); margin-top: 24px; }
.lore .cite a { color: var(--dim); text-decoration: none; border-bottom: 1px solid var(--line); }
.lore .cite a:hover { color: var(--text); border-bottom-color: var(--muted); }

/* diagrams */
.diagram { margin: 6px 0 30px; }
.diagram svg { width: 100%; height: auto; display: block; }
.diagram text { font-family: var(--mono); text-anchor: middle; fill: var(--dim); font-size: 12px; }
.diagram .node rect, .diagram .snode circle { fill: #070707; stroke: var(--line2); stroke-width: 1; }
.diagram .node.open rect { stroke-dasharray: 3 4; }
.diagram .node text, .diagram .snode text { fill: var(--text); font-size: 12.5px; }
.diagram .node .sub { fill: var(--muted); font-size: 9.5px; }
.diagram .snode.dead circle { stroke: #333; }
.diagram .snode.dead text { fill: var(--muted); }
.diagram text.acc { fill: var(--code); font-size: 12px; }
.diagram .lab { fill: var(--muted); font-size: 10.5px; }
.diagram line, .diagram path { stroke: #4f4f4f; stroke-width: 1; }
.diagram figcaption { font-family: var(--mono); font-size: 11px; color: var(--muted); text-align: center; margin-top: 12px; line-height: 1.5; }

/* prose sections */
.why p, .ledger p { color: var(--dim); margin: 0 0 18px; }
.why p:last-child, .ledger p:last-child { margin-bottom: 0; }

/* notes / qa */
.qa { padding: 16px 0; border-top: 1px solid var(--line); }
.qa:first-of-type { border-top: none; padding-top: 0; }
.qa .q { margin: 0 0 6px; color: var(--text); font-size: 14.5px; font-weight: 600; }
.qa .a { margin: 0; color: var(--dim); font-size: 14px; }

/* how it works */
.mech .step { display: grid; grid-template-columns: 40px 1fr; gap: 18px; padding: 18px 0; border-top: 1px solid var(--line); }
.mech .step:first-of-type { border-top: none; padding-top: 0; }
.mech .step .n { font-family: var(--mono); font-size: 12px; color: var(--muted); padding-top: 3px; }
.mech h3 { margin: 0 0 6px; font-size: 14.5px; font-weight: 600; color: var(--text); }
.mech .step p { margin: 0; color: var(--dim); font-size: 14px; }

/* labelled rows (states, status) */
.srow { display: grid; grid-template-columns: 130px 1fr; gap: 16px; padding: 14px 0; border-top: 1px solid var(--line); align-items: baseline; }
.srow:first-of-type { border-top: none; }
.srow .k { font-family: var(--mono); font-size: 13px; color: var(--muted); }
.srow p { margin: 0; color: var(--dim); font-size: 14px; }

/* spec */
.spec dl { margin: 0; font-family: var(--mono); font-size: 13.5px; }
.spec dl > div {
  display: grid; grid-template-columns: 130px 1fr; gap: 16px;
  padding: 11px 0; border-top: 1px solid var(--line);
}
.spec dl > div:first-child { border-top: none; }
.spec dt { color: var(--muted); }
.spec dd { margin: 0; color: var(--dim); }

/* footer */
footer {
  max-width: 620px; margin: 96px auto 0; padding: 24px 28px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 12px; color: var(--muted);
}

/* research console extension */
button, input { font: inherit; }
button { color: inherit; }
button:focus-visible, input:focus-visible {
  outline: 1px solid var(--code); outline-offset: 3px;
}
.inspection-cursor { cursor: crosshair; }
.module-intro {
  margin: 0 0 24px; color: var(--dim); font-size: 14px; line-height: 1.7;
}
.instrument-title {
  margin: 0 0 14px; color: var(--muted); font-family: var(--mono);
  font-size: 10px; letter-spacing: 1.2px; text-transform: uppercase;
}
.inspector-head {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 10px; border-bottom: 1px solid var(--line);
  color: var(--text); font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.8px;
}
.inspector-head span:last-child { color: var(--muted); font-size: 9px; }
.inspector-grid {
  margin: 0; font-family: var(--mono); font-size: 12px;
}
.inspector-grid > div {
  display: grid; grid-template-columns: 170px 1fr; gap: 16px;
  padding: 9px 0; border-bottom: 1px solid var(--line);
}
.inspector-grid dt {
  color: var(--muted); font-size: 10px; letter-spacing: 0.45px;
  text-transform: uppercase;
}
.inspector-grid dd {
  margin: 0; color: var(--dim); text-align: right; overflow-wrap: anywhere;
}
.micro-metrics {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  margin: 0; background: var(--line);
}
.micro-metrics > div { padding: 9px 10px; background: #030303; }
.micro-metrics dt {
  color: var(--muted); font-family: var(--mono); font-size: 9px;
  letter-spacing: 0.6px; text-transform: uppercase;
}
.micro-metrics dd {
  margin: 3px 0 0; color: var(--dim); font-family: var(--mono); font-size: 11px;
}
.lab-button {
  appearance: none; border: 1px solid #292929; border-radius: 2px;
  background: #050505; color: var(--dim); padding: 7px 11px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.8px;
  cursor: pointer; transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.lab-button:hover:not(:disabled) { color: var(--text); border-color: #4a4a4a; background: #080808; }
.lab-button:disabled { cursor: not-allowed; opacity: 0.35; }
.technical-code {
  max-height: 172px; margin: 24px 0 0; padding: 16px 18px;
  overflow: auto; border: 1px solid var(--line); border-radius: 2px;
  background: #030303; color: var(--dim); font-family: var(--mono);
  font-size: 11.5px; line-height: 1.75; tab-size: 2;
  scrollbar-color: #333 #080808; scrollbar-width: thin;
}
.technical-code code {
  padding: 0; border: 0; border-radius: 0; background: transparent;
  color: inherit; font: inherit;
}
.code-key { color: var(--code); }
.code-str { color: #b7b7b7; }

/* body */
.body-stage {
  position: relative; height: 280px; overflow: hidden;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background:
    linear-gradient(#111 1px, transparent 1px) 0 0 / 100% 70px,
    linear-gradient(90deg, #0c0c0c 1px, transparent 1px) 0 0 / 94px 100%;
}
.body-stage canvas { width: 100%; height: 280px; display: block; }
.body-axis {
  position: absolute; left: 12px; right: 12px; bottom: 8px;
  display: flex; justify-content: space-between; pointer-events: none;
  color: #7a7a7a; font-family: var(--mono); font-size: 8px;
  letter-spacing: 0.5px; text-transform: uppercase;
}
.body-stage[data-state="tun"] { opacity: 0.7; }
.body-readout { border-bottom: 1px solid var(--line); }
.readout-title {
  display: flex; justify-content: space-between; padding: 10px 0;
  color: var(--muted); font-family: var(--mono); font-size: 9px;
  letter-spacing: 0.7px;
}
.readout-title span:last-child { color: var(--code); }

/* identity trace */
.trace-flow {
  display: flex; flex-direction: column; align-items: center;
  margin: 4px 0 24px;
}
.trace-node {
  width: 246px; padding: 9px 12px; border: 1px solid #242424;
  border-radius: 2px; background: #030303; text-align: left;
  transition: border-color 0.15s, background 0.15s;
}
.trace-node:hover, .trace-node.is-selected { border-color: #505050; background: #070707; }
.trace-node.is-selected span { color: var(--code); }
.trace-node span {
  display: block; color: var(--text); font-family: var(--mono);
  font-size: 10.5px; letter-spacing: 0.55px;
}
.trace-node small {
  display: block; margin-top: 2px; color: var(--muted);
  font-family: var(--mono); font-size: 8.5px; letter-spacing: 0.3px;
}
.trace-arrow {
  position: relative; width: 1px; height: 18px; background: #393939;
}
.trace-arrow::after {
  content: ""; position: absolute; left: -2px; bottom: 0;
  width: 5px; height: 5px; border-right: 1px solid #4d4d4d;
  border-bottom: 1px solid #4d4d4d; transform: rotate(45deg);
}
.trace-arrow.data-flow::before {
  content: ""; position: absolute; left: -1px; top: 0; width: 3px; height: 6px;
  background: var(--code); opacity: 0.35; animation: trace-data 5.6s linear infinite;
}
@keyframes trace-data {
  0%, 72% { transform: translateY(0); opacity: 0; }
  77% { opacity: 0.45; }
  96% { transform: translateY(12px); opacity: 0.1; }
  100% { opacity: 0; }
}
.trace-branch {
  position: relative; width: 100%; display: grid; grid-template-columns: 1fr 1fr;
  gap: 26px; padding: 18px 0; border-top: 1px solid #242424;
  border-bottom: 1px solid #242424;
}
.trace-branch::before {
  content: ""; position: absolute; left: 50%; top: -19px; bottom: -19px;
  width: 1px; background: #242424;
}
.trace-branch > div { display: flex; flex-direction: column; align-items: center; }
.trace-branch .trace-node { width: 100%; }
.trace-join { width: 1px; height: 18px; background: #393939; }
.trace-inspector {
  padding: 14px 16px 6px; border: 1px solid var(--line); background: #020202;
}

/* fingerprint */
.fingerprint-grid {
  display: grid; grid-template-columns: repeat(32, 1fr); gap: 3px;
  padding: 12px 0; border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.weight-cell {
  appearance: none; aspect-ratio: 1; min-width: 0; padding: 0;
  border: 1px solid rgba(255,255,255,0.025); border-radius: 1px;
  background: rgb(var(--cell), var(--cell), var(--cell));
  cursor: crosshair; transition: transform 0.12s, border-color 0.12s;
}
.weight-cell[data-sign="positive"] {
  background: rgb(calc(var(--cell) - 8), calc(var(--cell) + 2), calc(var(--cell) + 12));
}
.weight-cell:hover, .weight-cell:focus-visible {
  position: relative; z-index: 2; transform: scale(1.35);
  border-color: var(--code); outline: none;
}
.fingerprint-detail {
  display: grid; grid-template-columns: 1.45fr 1fr; gap: 22px; margin-top: 20px;
}
.fingerprint-summary > div { grid-template-columns: 110px 1fr; }
.weight-inspector {
  padding: 12px; border-left: 1px solid var(--line); background: #020202;
}
.weight-index {
  display: block; margin-bottom: 10px; color: var(--code);
  font-family: var(--mono); font-size: 11px;
}
.weight-inspector .micro-metrics { grid-template-columns: 1fr 1fr; }

/* stress chamber */
.stress-controls {
  display: grid; gap: 0; border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stress-controls label {
  display: grid; grid-template-columns: 1fr 54px; gap: 8px 16px;
  padding: 14px 0; border-bottom: 1px solid var(--line);
  color: var(--dim); font-family: var(--mono); font-size: 11px;
}
.stress-controls label:last-child { border-bottom: 0; }
.stress-controls output { color: var(--text); text-align: right; }
.stress-controls input[type="range"] {
  grid-column: 1 / -1; width: 100%; height: 12px; margin: 0;
  appearance: none; background: transparent; cursor: ew-resize;
}
.stress-controls input[type="range"]::-webkit-slider-runnable-track {
  height: 1px; background: #303030;
}
.stress-controls input[type="range"]::-webkit-slider-thumb {
  width: 7px; height: 13px; margin-top: -6px; appearance: none;
  border: 1px solid #818181; border-radius: 1px; background: #050505;
}
.stress-controls input[type="range"]::-moz-range-track { height: 1px; background: #303030; }
.stress-controls input[type="range"]::-moz-range-thumb {
  width: 7px; height: 13px; border: 1px solid #818181;
  border-radius: 1px; background: #050505;
}
.survival-model {
  margin-top: 24px; padding: 16px 18px 18px;
  border: 1px solid var(--line); background: #020202;
}
.state-value { color: var(--code) !important; }
.chamber-message {
  display: flex; justify-content: space-between; gap: 14px; margin-top: 14px;
  padding-top: 12px; border-top: 1px solid var(--line);
  color: var(--dim); font-family: var(--mono); font-size: 10px;
}
.chamber-message small { color: var(--muted); text-align: right; }
.recovery-check {
  margin-top: 18px; padding: 14px; border: 1px solid #292929;
  background: #040404;
}
.pass-list { margin: 0 0 14px; font-family: var(--mono); font-size: 10px; }
.pass-list div {
  display: flex; justify-content: space-between; padding: 6px 0;
  border-bottom: 1px solid var(--line);
}
.pass-list dt { color: var(--muted); }
.pass-list dd { margin: 0; color: var(--code); }
.recovery-check p:not(.instrument-title) {
  color: var(--dim); font-family: var(--mono); font-size: 10px;
}

/* transition ledger */
.ledger-strip {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 7px;
  margin: 26px 0 14px;
}
.ledger-block {
  appearance: none; min-width: 0; padding: 10px 7px;
  border: 1px solid #202020; border-radius: 2px; background: #030303;
  cursor: pointer; text-align: left;
}
.ledger-block span, .ledger-block small {
  display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-family: var(--mono);
}
.ledger-block span { color: var(--dim); font-size: 9px; }
.ledger-block small { margin-top: 4px; color: var(--muted); font-size: 8px; }
.ledger-block:hover, .ledger-block.is-selected { border-color: #4b4b4b; }
.ledger-block.is-selected span { color: var(--code); }
.transition-inspector {
  margin-bottom: 30px; padding: 14px 16px 16px;
  border: 1px solid var(--line); background: #020202;
}
.transition-inspector .inspector-grid > div { grid-template-columns: 150px 1fr; }
.inspector-nav { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }

/* metabolism */
.metabolism-layout { border-top: 1px solid var(--line); }
.compact-telemetry { border-top: 0; }
.metabolism-graph { margin: 22px 0 0; }
.metabolism-graph canvas {
  display: block; width: 100%; height: 130px; border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line); background: #020202;
}
.metabolism-graph figcaption {
  margin-top: 8px; color: var(--muted); font-family: var(--mono);
  font-size: 9px; letter-spacing: 0.45px;
}

/* proof inspector */
.proof-metrics { border-top: 1px solid var(--line); }
.proof-metrics > button {
  appearance: none; width: 100%; display: grid;
  grid-template-columns: 170px 1fr; gap: 16px;
  padding: 9px 0; border: 0; border-bottom: 1px solid var(--line);
  background: transparent; text-align: initial;
}
.proof-metrics .metric-label {
  color: var(--muted); font-size: 10px; letter-spacing: 0.45px;
  text-transform: uppercase;
}
.proof-metrics .metric-value {
  color: var(--dim); text-align: right; overflow-wrap: anywhere;
}
.proof-actions {
  display: grid; grid-template-columns: auto 1fr; align-items: start;
  gap: 18px; margin-top: 18px;
}
.proof-sequence {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px;
  margin: 0; padding: 0; list-style: none; counter-reset: proof-step;
}
.proof-sequence li {
  padding: 8px; border-top: 1px solid #242424; color: var(--muted);
  font-family: var(--mono); font-size: 8.5px; line-height: 1.4;
}
.proof-sequence li::before {
  counter-increment: proof-step; content: "0" counter(proof-step);
  display: block; margin-bottom: 4px; color: #7a7a7a;
}
.proof-sequence li.is-active { border-color: var(--code); color: var(--text); }
.proof-sequence li.is-pass { color: var(--code); }

/* specimen comparison */
.specimen-tabs {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  margin-bottom: 20px; padding: 1px; background: var(--line);
}
.specimen-tabs button {
  appearance: none; padding: 13px 10px; border: 0; background: #030303;
  cursor: pointer; text-align: left;
}
.specimen-tabs button:hover, .specimen-tabs button[aria-selected="true"] { background: #090909; }
.specimen-tabs button span, .specimen-tabs button small {
  display: block; font-family: var(--mono);
}
.specimen-tabs button span { color: var(--dim); font-size: 9px; letter-spacing: 0.5px; }
.specimen-tabs button small { margin-top: 4px; color: var(--muted); font-size: 8px; }
.specimen-tabs button[aria-selected="true"] span { color: var(--code); }
.comparison-readout {
  padding: 16px 18px 6px; border: 1px solid var(--line); background: #020202;
}

/* terminal */
.terminal {
  border: 1px solid var(--line); border-radius: 2px; overflow: hidden;
  background: #020202; font-family: var(--mono);
}
.terminal-output {
  height: 190px; padding: 14px 16px; overflow-y: auto;
  scrollbar-color: #333 #080808; scrollbar-width: thin;
}
.terminal-entry {
  margin-bottom: 6px; color: var(--dim); font-size: 10.5px;
  line-height: 1.55; white-space: pre-wrap; overflow-wrap: anywhere;
}
.terminal-entry.is-system { color: var(--muted); }
.terminal-entry.is-command { color: var(--text); }
.terminal-entry.is-command::before { content: "> "; color: var(--code); }
.terminal-entry.is-error { color: #b68b8b; }
.terminal-form {
  display: flex; align-items: center; gap: 8px; padding: 11px 14px;
  border-top: 1px solid var(--line);
}
.terminal-form label { color: var(--code); font-family: var(--mono); font-size: 10px; }
.terminal-form input {
  min-width: 0; flex: 1; border: 0; outline: 0; background: transparent;
  color: var(--text); font-family: var(--mono); font-size: 11px;
}
.terminal-hint {
  display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 10px;
  color: #7a7a7a; font-family: var(--mono); font-size: 8.5px;
}
.simulation-note {
  margin-top: 18px; color: var(--muted); font-family: var(--mono);
  font-size: 9px; letter-spacing: 0.35px;
}

/* inspection layer */
.lab-probe {
  position: fixed; top: 0; left: 0; z-index: 1000; width: 188px;
  padding: 10px 11px; border: 1px solid #303030; border-radius: 2px;
  background: rgba(3,3,3,0.96); opacity: 0; pointer-events: none;
  transform: translate3d(-300px,-300px,0);
  transition: opacity 150ms ease; will-change: transform, opacity;
  font-family: var(--mono);
}
.lab-probe.is-visible { opacity: 1; }
.lab-probe strong {
  display: block; padding-bottom: 7px; border-bottom: 1px solid var(--line);
  color: var(--text); font-size: 9px; font-weight: 500; letter-spacing: 0.8px;
}
.lab-probe dl { margin: 5px 0 0; }
.lab-probe dl div { display: flex; justify-content: space-between; gap: 12px; padding-top: 5px; }
.lab-probe dt { color: var(--muted); font-size: 8px; text-transform: uppercase; }
.lab-probe dd { margin: 0; color: var(--dim); font-size: 9px; text-align: right; }

/* body inspection */
.node-inspector {
  position: absolute; top: 12px; right: 12px; z-index: 4; width: 178px;
  padding: 11px 12px; border: 1px solid #303030; border-radius: 2px;
  background: rgba(2,2,2,0.94); font-family: var(--mono);
}
.node-inspector strong {
  display: block; padding-bottom: 7px; border-bottom: 1px solid var(--line);
  color: var(--code); font-size: 9px; font-weight: 500; letter-spacing: 0.7px;
}
.node-inspector dl { margin: 5px 0 0; }
.node-inspector dl div { display: flex; justify-content: space-between; gap: 8px; padding-top: 5px; }
.node-inspector dt { color: var(--muted); font-size: 8px; text-transform: uppercase; }
.node-inspector dd { margin: 0; color: var(--dim); font-size: 9px; }
.body-stage[data-state="dead"] { opacity: 0.48; }
.alive-dot[data-state="dead"] { background: #777; animation: none; opacity: 0.35; }

/* trace lineage */
.trace-flow.is-tracing .trace-node,
.trace-flow.is-tracing .trace-arrow,
.trace-flow.is-tracing .trace-join,
.trace-flow.is-tracing .trace-branch { transition: opacity 150ms, border-color 150ms; }
.trace-node.is-lineage { border-color: #5a6b7c; opacity: 1 !important; }
.trace-node.is-lineage span { color: var(--code); }
.trace-node.is-downstream { opacity: 0.28; }
.trace-flow.is-tracing .trace-arrow,
.trace-flow.is-tracing .trace-join { opacity: 0.24; }
.trace-flow.is-tracing .trace-node.is-lineage + .trace-arrow,
.trace-flow.is-tracing .trace-branch.is-lineage,
.trace-flow.is-tracing .trace-join.is-lineage { opacity: 1; }
.trace-branch.is-lineage { border-color: #3c4853; }

/* fingerprint probe */
.fingerprint-grid.is-probing .weight-cell { opacity: 0.7; }
.fingerprint-grid.is-probing .weight-cell.is-neighbor { opacity: 0.34; }
.fingerprint-grid .weight-cell.is-preview,
.fingerprint-grid .weight-cell.is-locked {
  position: relative; z-index: 3; opacity: 1; transform: scale(1.38);
  border-color: var(--code);
}
.fingerprint-grid .weight-cell.is-locked { box-shadow: 0 0 0 1px #080808, 0 0 0 2px #5a6b7c; }

/* stress thresholds */
.stress-controls label { position: relative; padding-bottom: 25px; }
.stress-controls input[type="range"] { cursor: grab; }
.stress-controls input[type="range"].is-dragging { cursor: grabbing; }
.threshold-marker {
  position: absolute; left: var(--threshold); bottom: 4px; transform: translateX(-50%);
  color: #7a7a7a; font-family: var(--mono); font-size: 7px; letter-spacing: 0.35px;
  white-space: nowrap; cursor: help;
}
.threshold-marker::before {
  content: ""; position: absolute; left: 50%; bottom: 11px; width: 1px; height: 8px;
  background: #555;
}
.threshold-marker::after {
  content: ""; position: absolute; left: calc(50% - 2px); bottom: 17px;
  width: 4px; height: 4px; border-top: 1px solid #666; border-left: 1px solid #666;
  transform: rotate(45deg);
}

/* ledger inspection */
.ledger-strip {
  grid-template-columns: repeat(4, minmax(0, 1fr) 12px) minmax(0, 1fr);
  gap: 4px;
}
.ledger-link {
  position: relative; appearance: none; min-width: 0; padding: 0; border: 0;
  background: transparent; cursor: help;
}
.ledger-link::before {
  content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: #282828;
}
.ledger-link::after {
  content: ""; position: absolute; right: 0; top: calc(50% - 2px);
  width: 4px; height: 4px; border-top: 1px solid #515151; border-right: 1px solid #515151;
  transform: rotate(45deg);
}
.ledger-link:hover::before, .ledger-link:focus-visible::before { background: var(--code); }
.ledger-link:hover::after, .ledger-link:focus-visible::after { border-color: var(--code); }
.ledger-link:focus-visible { outline-offset: 2px; }
.diagram .node { cursor: help; outline: none; }
.diagram .node rect { transition: stroke 150ms, fill 150ms; }
.diagram .node:hover rect,
.diagram .node:focus-visible rect { stroke: var(--code); fill: #06090c; }

/* state controls */
.states { position: relative; }
.states .snode { cursor: pointer; outline: none; }
.states .snode circle { transition: stroke 150ms, fill 150ms, opacity 150ms; }
.states .snode:hover circle,
.states .snode:focus-visible circle { stroke: var(--code); }
.states .snode.is-current circle { stroke: var(--code); fill: #07101a; }
.states .snode.is-current text { fill: var(--text); }
.state-confirm {
  position: absolute; right: 0; top: 150px; z-index: 6; width: 210px;
  padding: 12px; border: 1px solid #3b3b3b; border-radius: 2px;
  background: #030303; font-family: var(--mono);
}
.state-confirm strong { color: var(--text); font-size: 9px; font-weight: 500; letter-spacing: 0.5px; }
.state-confirm p { margin: 7px 0 10px; color: var(--muted); font-size: 9px; line-height: 1.45; }
.state-confirm div { display: flex; justify-content: flex-end; gap: 6px; }
.state-confirm button {
  border: 1px solid #2d2d2d; border-radius: 1px; background: #070707;
  color: var(--dim); padding: 5px 7px; font-family: var(--mono); font-size: 8px; cursor: pointer;
}

/* chart inspection */
.metabolism-graph canvas { cursor: crosshair; }
.chart-lock-inspector {
  margin-top: 12px; padding: 11px 13px; border: 1px solid var(--line);
  background: #020202; font-family: var(--mono);
}
.chart-lock-inspector strong {
  display: block; margin-bottom: 6px; color: var(--code);
  font-size: 9px; font-weight: 500; letter-spacing: 0.6px;
}
.chart-lock-inspector dl { margin: 0; }
.chart-lock-inspector dl div {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 5px 0; border-top: 1px solid var(--line);
}
.chart-lock-inspector dt { color: var(--muted); font-size: 8px; text-transform: uppercase; }
.chart-lock-inspector dd { margin: 0; color: var(--dim); font-size: 9px; text-align: right; }

/* proof probe */
.proof-metrics > button, .proof-sequence li { cursor: help; }
.proof-sequence { grid-template-columns: repeat(5, 1fr); }

/* specimen comparison */
.specimen-tabs button { transition: opacity 150ms, background 150ms; }
.specimen-tabs button.is-muted { opacity: 0.3; }
.specimen-tabs button.is-preview { opacity: 1; background: #090909; }
.specimen-tabs button.is-compare { box-shadow: inset 0 -1px var(--code); }
.comparison-matrix {
  margin-top: 12px; padding: 12px 14px; border: 1px solid var(--line);
  background: #020202; font-family: var(--mono);
}
.comparison-matrix-head { display: flex; justify-content: space-between; margin-bottom: 8px; }
.comparison-matrix-head strong { color: var(--code); font-size: 9px; font-weight: 500; }
.comparison-matrix-head span { color: var(--dim); font-size: 9px; }
.comparison-matrix-row {
  display: grid; grid-template-columns: 1fr 70px 70px; width: 100%;
  padding: 7px 0; border: 0; border-top: 1px solid var(--line);
  background: transparent; color: var(--dim); font-family: var(--mono);
  font-size: 9px; text-align: right;
}
button.comparison-matrix-row { cursor: help; }
button.comparison-matrix-row:hover { color: var(--text); }
.comparison-matrix-row span:first-child { color: var(--muted); text-align: left; }
.comparison-matrix-label { color: #7a7a7a; text-transform: uppercase; }
.terminal-entry.is-context { color: #7a7a7a; font-size: 9px; }

@media (max-width: 560px) {
  .logo { padding: 64px 0 52px; }
  .logo img { width: 160px; }
  .intro p { font-size: 16px; }
  .spec dl > div,
  .srow { grid-template-columns: 92px 1fr; gap: 12px; }
  footer { flex-direction: column; gap: 6px; }
  .module-heading { align-items: flex-start; flex-direction: column; gap: 6px; }
  .telemetry-grid > div { grid-template-columns: 1fr; gap: 2px; }
  .telemetry-grid dd { text-align: left; }
  .body-stage, .body-stage canvas { height: 228px; }
  .trace-node { width: 220px; }
  .trace-branch { gap: 10px; }
  .trace-branch .trace-node { padding-inline: 7px; }
  .fingerprint-grid { grid-template-columns: repeat(16, 1fr); gap: 4px; }
  .fingerprint-detail { grid-template-columns: 1fr; }
  .weight-inspector { border-top: 1px solid var(--line); border-left: 0; }
  .inspector-grid > div,
  .transition-inspector .inspector-grid > div,
  .proof-metrics > button { grid-template-columns: 112px 1fr; gap: 10px; }
  .stress-controls label { grid-template-columns: 1fr 44px; }
  .chamber-message { flex-direction: column; }
  .chamber-message small { text-align: left; }
  .ledger-strip { grid-template-columns: repeat(3, 1fr); }
  .ledger-block:nth-child(-n+2) { display: none; }
  .proof-actions { grid-template-columns: 1fr; }
  .proof-sequence { grid-template-columns: 1fr 1fr; }
  .specimen-tabs button { padding: 11px 7px; }
  .terminal-output { height: 230px; }
  .terminal-form { align-items: flex-start; flex-direction: column; gap: 5px; }
  .lab-probe { width: min(188px, calc(100vw - 24px)); }
  .node-inspector { top: 8px; right: 8px; width: 156px; padding: 9px; }
  .ledger-strip {
    display: flex; grid-template-columns: none; gap: 4px; overflow-x: auto;
    scrollbar-width: thin; scroll-snap-type: x proximity;
  }
  .ledger-block, .ledger-block:nth-child(-n+2) {
    display: block; flex: 0 0 96px; scroll-snap-align: start;
  }
  .ledger-link { flex: 0 0 12px; }
  .state-confirm {
    position: fixed; top: 50%; right: 12px; left: 12px; width: auto;
    transform: translateY(-50%);
  }
  .comparison-matrix-row { grid-template-columns: 1fr 54px 54px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
}