@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/IBMPlexSans-Regular-Latin1.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans Condensed";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/assets/fonts/IBMPlexSansCondensed-SemiBold-Latin1.woff2")
    format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/assets/fonts/IBMPlexMono-Medium-Latin1.woff2") format("woff2");
}
:root {
  color-scheme: dark;
  --canvas: #0b0f0e;
  --chassis: #121a16;
  --bay: #19231d;
  --paper: #e8e2d0;
  --paper-bright: #f3edda;
  --muted: #a6afa4;
  --muted-low: #98a396;
  --amber: #dea052;
  --alarm: #eb8c7d;
  --ok: #bac8ac;
  --keyline: #465147;
  --keyline-soft: #2d3830;
  --board-surround: #090e0c;
  --board-surface: #0d1411;
  --board-grid: rgba(129, 84, 47, 0.18);
  --board-ring: rgba(83, 97, 87, 0.42);
  --board-label: rgba(164, 173, 162, 0.64);
  --board-border: rgba(232, 226, 208, 0.28);
  --snake-trace: #81542f;
  --snake-body: #d88a36;
  --snake-head: #f3edda;
  --snake-fault: #c85a4b;
  --sans: "IBM Plex Sans", "Segoe UI", sans-serif;
  --display: "IBM Plex Sans Condensed", "Arial Narrow", sans-serif;
  --mono: "IBM Plex Mono", "Consolas", monospace;
  --shell: 1280px;
  --section-space: 64px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}
:root[data-theme="light"] {
  color-scheme: light;
  --canvas: #f2efe5;
  --chassis: #e8e6db;
  --bay: #dedfd1;
  --paper: #26362f;
  --paper-bright: #182a22;
  --muted: #536155;
  --muted-low: #5a6558;
  --amber: #8d4f19;
  --alarm: #a83f31;
  --ok: #426347;
  --keyline: #75816f;
  --keyline-soft: #c8cdbf;
  --board-surround: #e8e6d9;
  --board-surface: #f6f3e9;
  --board-grid: #dedccf;
  --board-ring: #c2cbbb;
  --board-label: #59664f;
  --board-border: #8d9a83;
  --snake-trace: #a67b4b;
  --snake-body: #975319;
  --snake-head: #233b2b;
  --snake-fault: #af4434;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    color-scheme: light;
    --canvas: #f2efe5;
    --chassis: #e8e6db;
    --bay: #dedfd1;
    --paper: #26362f;
    --paper-bright: #182a22;
    --muted: #536155;
    --muted-low: #5a6558;
    --amber: #8d4f19;
    --alarm: #a83f31;
    --ok: #426347;
    --keyline: #75816f;
    --keyline-soft: #c8cdbf;
    --board-surround: #e8e6d9;
    --board-surface: #f6f3e9;
    --board-grid: #dedccf;
    --board-ring: #c2cbbb;
    --board-label: #59664f;
    --board-border: #8d9a83;
    --snake-trace: #a67b4b;
    --snake-body: #975319;
    --snake-head: #233b2b;
    --snake-fault: #af4434;
  }
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  min-height: 100%;
  background: var(--canvas);
  scroll-behavior: smooth;
  scroll-padding-top: 112px;
  scrollbar-color: var(--keyline) var(--canvas);
}
body {
  min-width: 280px;
  margin: 0;
  background: var(--canvas);
  color: var(--paper);
  font: 400 16px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  padding-inline: env(safe-area-inset-left) env(safe-area-inset-right);
}
::selection {
  color: var(--canvas);
  background: var(--amber);
}
[hidden] {
  display: none !important;
}
a {
  color: inherit;
  text-underline-offset: 0.25em;
}
button,
input {
  font: inherit;
  accent-color: var(--amber);
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  touch-action: manipulation;
  cursor: pointer;
}
button:disabled {
  cursor: default;
  opacity: 0.45;
}
svg {
  display: block;
  max-width: 100%;
}
button svg,
.intro-actions svg,
.back-top svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}
strong,
b {
  font-weight: 600;
  font-family: var(--display);
}
h1,
h2,
h3,
p,
dl,
dd,
figure {
  margin: 0;
}
h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 600;
  text-wrap: balance;
}
h2 {
  font-size: 40px;
  line-height: 1.12;
  letter-spacing: -0.02em;
}
h3 {
  font-size: 25px;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 5px;
}
.page-shell {
  width: min(var(--shell), calc(100% - 112px));
  margin-inline: auto;
}
.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;
}
.skip-link {
  position: fixed;
  z-index: 60;
  left: 24px;
  top: 12px;
  padding: 12px 18px;
  background: var(--amber);
  color: var(--canvas);
  transform: translateY(-180%);
}
.skip-link:focus {
  transform: translateY(0);
}
/* Persistent location, navigation, verified state and motion control. */
.top-rail {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 80px;
  background: var(--canvas);
  border-bottom: 1px solid var(--keyline);
}
.rail-domain {
  margin-right: auto;
}
.rail-prefix {
  display: none;
}
#host-name {
  font: 600 27px/1.2 var(--display);
  letter-spacing: -0.025em;
  text-decoration: none;
}
.rail-nav {
  display: flex;
  gap: 25px;
  align-items: center;
}
.rail-nav a {
  display: flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  text-decoration: none;
  color: var(--muted);
  transition: color 150ms var(--ease);
}
.rail-nav a:hover,
.rail-nav a:focus-visible {
  color: var(--paper-bright);
}
.rail-nav .game-link {
  color: var(--amber);
}
.rail-status {
  display: flex;
  gap: 10px;
  align-items: center;
  padding-left: 26px;
  border-left: 1px solid var(--keyline-soft);
}
.signal-lamp,
.snake-link i {
  display: block;
  width: 6px;
  height: 6px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--ok);
}
.rail-status-copy {
  display: flex;
  align-items: center;
  gap: 8px;
}
.rail-status-copy small {
  font-size: 12px;
  color: var(--muted);
}
.rail-status-copy strong {
  font: 500 12px/1.4 var(--mono);
  color: var(--paper-bright);
}
.mode-stamp {
  display: none;
}
body[data-severity="warning"] .signal-lamp {
  background: var(--amber);
}
body[data-severity="critical"] .signal-lamp {
  background: var(--alarm);
}
body[data-severity="unknown"] .signal-lamp {
  background: var(--muted);
}
.guide-pause {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  margin-left: -12px;
  border: 1px solid transparent;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  transition:
    color 150ms,
    border-color 150ms;
}
.rail-tools {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.rail-tools .guide-pause {
  width: 44px;
  margin-left: 0;
}
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 44px;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid var(--keyline);
  border-radius: 3px;
  color: var(--paper);
  background: transparent;
  font-size: 12px;
  transition: border-color 150ms;
}
.theme-toggle:hover {
  color: var(--amber);
  background: var(--chassis);
  border-color: var(--amber);
}
.theme-toggle svg {
  width: 17px;
  height: 17px;
}
.theme-label {
  min-width: 28px;
}
.theme-moon,
:root[data-theme="light"] .theme-sun {
  display: none;
}
:root[data-theme="light"] .theme-moon {
  display: block;
}
.guide-pause:hover,
.guide-pause[aria-pressed="true"] {
  color: var(--amber);
  border-color: var(--keyline);
}
.guide-pause svg {
  width: 16px;
  height: 16px;
}
.guide-pause .resume-icon {
  display: none;
}
.guide-pause[aria-pressed="true"] .pause-icon {
  display: none;
}
.guide-pause[aria-pressed="true"] .resume-icon {
  display: block;
}
.state-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-block: 20px;
  padding: 16px 20px;
  background: var(--chassis);
  border: 1px solid var(--keyline);
  font-size: 14px;
}
.state-banner p {
  max-width: 75ch;
}
.state-banner button {
  min-height: 44px;
  flex-shrink: 0;
  padding: 8px 16px;
  border: 1px solid var(--keyline);
  background: transparent;
  color: var(--amber);
}
.state-banner button:hover {
  background: var(--bay);
}
/* Display lettering and measured data have distinct roles. */
.page-intro {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 64px;
  align-items: center;
  padding-block: 68px 54px;
}
.page-intro h1 {
  font-size: clamp(64px, 7.2vw, 96px);
  line-height: 0.98;
  letter-spacing: -0.035em;
}
.page-intro h1 span {
  display: block;
  color: var(--amber);
}
.intro-copy {
  max-width: 440px;
  padding-top: 8px;
}
.intro-statement {
  font-size: 25px;
  line-height: 1.28;
  letter-spacing: -0.015em;
  color: var(--paper-bright);
}
.hero-summary-text {
  max-width: 39ch;
  min-height: 50px;
  margin-top: 18px;
  font-size: 16px;
  line-height: 1.55;
  color: var(--muted);
}
.intro-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-top: 21px;
}
.intro-actions a {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-height: 44px;
  font-size: 14px;
  text-decoration: none;
  color: var(--muted);
}
.intro-actions .intro-primary {
  color: var(--paper-bright);
  border-bottom: 1px solid var(--amber);
}
.intro-actions a svg {
  color: var(--amber);
  transition: transform 200ms var(--ease);
}
.intro-actions a:hover {
  color: var(--amber);
}
.intro-actions a:hover svg {
  transform: translateX(3px);
}
.quick-readings {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-block: 1px solid var(--keyline);
  background: var(--chassis);
}
.quick-readings > div {
  min-width: 0;
  padding: 22px 28px 24px;
  border-left: 1px solid var(--keyline-soft);
}
.quick-readings > div:first-child {
  border-left: 0;
}
.quick-readings dt {
  font-size: 14px;
  color: var(--muted);
}
.quick-readings dd {
  margin-top: 8px;
  font: 500 clamp(24px, 2.7vw, 36px) / 1.25 var(--mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  color: var(--paper-bright);
}
.summary-update {
  margin-top: 11px;
  font-size: 12px;
  color: var(--muted);
}
body[data-dashboard-state="fallback"] .quick-readings dd {
  color: var(--muted);
}
.project-directory,
.machine-section {
  margin-top: var(--section-space);
}
.directory-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}
.directory-heading p {
  font-size: 14px;
  color: var(--muted);
}
.project-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 64px;
}
.project-rows h3 {
  padding-bottom: 14px;
  font: 400 14px/1.5 var(--sans);
  color: var(--muted);
}
.project-rows a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 88px;
  padding: 18px 2px;
  border-top: 1px solid var(--keyline-soft);
  text-decoration: none;
  transition: color 180ms var(--ease);
}
.project-rows a:last-child {
  border-bottom: 1px solid var(--keyline-soft);
}
.project-rows strong {
  display: block;
  font: 600 26px/1.18 var(--display);
  letter-spacing: -0.015em;
}
.project-rows small {
  display: block;
  margin-top: 5px;
  font-size: 14px;
  line-height: 1.45;
  color: var(--muted);
}
.project-rows svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  fill: none;
  stroke: var(--muted);
  stroke-width: 1.5;
  transition:
    transform 200ms var(--ease),
    stroke 200ms;
}
.project-rows a:hover,
.project-rows a:focus-visible {
  color: var(--amber);
}
.project-rows a:hover svg {
  stroke: var(--amber);
  transform: translateX(4px);
}
/* Project images, hardware specimens and plain descriptions share one directory. */
.project-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); column-gap:48px; row-gap:28px; }
.project-card { min-width:0; border-top:1px solid var(--keyline-soft); padding:22px 0 0; }
.project-heading { display:flex; align-items:center; justify-content:space-between; gap:16px; }
.project-card h3 { font:600 26px/1.18 var(--display); letter-spacing:-.015em; }
.project-card h3 a { text-decoration:none; }
.project-card h3 a:hover { color:var(--amber); }
.project-card p { color:var(--muted); font:400 14px/1.55 var(--sans); margin-top:8px; max-width:47ch; }
.project-arrow { width:19px; height:19px; fill:none; stroke:var(--muted); stroke-width:1.5; flex:none; }
.project-media { display:grid; grid-template-columns:minmax(0,1fr) 160px; align-items:center; gap:24px; margin:20px 0 14px; }
.project-preview { display:block; border:1px solid var(--keyline-soft); overflow:hidden; aspect-ratio:3/2; background:var(--chassis); border-radius:3px; }
.project-preview img { display:block; width:100%; height:100%; object-fit:cover; }
.project-hardware .project-preview { max-width:260px; }
.project-meta { display:flex; justify-content:space-between; flex-wrap:wrap; gap:5px 16px; color:var(--muted); font:400 11px/1.6 var(--mono); }
.project-meta a { text-decoration:none; }
.project-meta a:hover { color:var(--amber); text-decoration:underline; }
.board-specimen { position:relative; width:160px; height:150px; padding:0; border:1px solid transparent; border-radius:4px; color:var(--paper); background:transparent; cursor:default; touch-action:none; user-select:none; -webkit-user-select:none; }
.board-specimen:focus-visible { outline:2px solid var(--amber); outline-offset:4px; }
.board-specimen canvas { display:block; width:100%; height:100%; }
.board-fallback { position:absolute; inset:0; display:grid; place-content:center; font:400 12px/1.6 var(--mono); color:var(--muted); text-align:center; }
.board-specimen[data-ready="true"] .board-fallback { visibility:hidden; }
.project-compact { display:grid; grid-template-columns:128px minmax(0,1fr) 19px; gap:20px; align-items:center; padding-bottom:6px; }
.project-compact h3 { font-size:24px; }
.project-compact p { margin-top:5px; }
@media (max-width:1100px) {
  .project-grid { column-gap:32px; }
  .project-media { grid-template-columns:minmax(0,1fr) 130px; gap:12px; }
  .board-specimen { width:130px; height:130px; }
  .project-compact { grid-template-columns:104px minmax(0,1fr) 16px; gap:14px; }
}
@media (max-width:700px) {
  .project-grid { grid-template-columns:1fr; row-gap:26px; }
  .project-media { grid-template-columns:minmax(0,1fr) 126px; }
  .board-specimen { width:126px; height:138px; }
  .project-card h3 { font-size:25px; }
  .project-compact { grid-template-columns:104px minmax(0,1fr); gap:16px; }
  .project-compact .project-arrow { display:none; }
  .project-compact h3 { font-size:23px; }
  .project-card p { font-size:13px; }
  .project-meta { font-size:10px; }
}
@media (max-width:359px) {
  .project-media { grid-template-columns:minmax(0,1fr) 100px; gap:8px; }
  .board-specimen { width:100px; height:120px; }
  .project-compact { grid-template-columns:86px minmax(0,1fr); gap:12px; }
  .project-compact h3 { font-size:21px; }
}
/* The instrument surface has two bays and one structural border. */
.systems-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  border: 1px solid var(--keyline);
  background: var(--chassis);
}
.module-core {
  min-width: 0;
  padding: 32px;
}
.network-module {
  border-left: 1px solid var(--keyline);
}
.module-head {
  margin-bottom: 28px;
}
.module-head > p,
.module-head > div > p {
  max-width: 65ch;
  margin-top: 9px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
}
.host-instruments {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 32px;
}
.primary-reading,
.load-reading {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
  padding: 3px 0 26px;
}
.reading-label {
  font-size: 14px;
  color: var(--muted);
}
.primary-reading > strong {
  margin-top: 16px;
  font: 500 46px/1.15 var(--mono);
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  color: var(--paper-bright);
}
.reading-note {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}
#cpu-meter {
  display: block;
  width: 100%;
  height: 4px;
  margin-top: 17px;
  border: 0;
  background: var(--keyline-soft);
  appearance: none;
}
#cpu-meter::-webkit-meter-bar {
  border: 0;
  border-radius: 0;
  background: var(--keyline-soft);
}
#cpu-meter::-webkit-meter-optimum-value {
  background: var(--amber);
}
#cpu-meter::-moz-meter-bar {
  background: var(--amber);
}
.load-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: 100%;
  gap: 14px;
  margin-top: auto;
  padding-top: 28px;
}
.load-grid > div {
  display: grid;
  gap: 9px;
}
.load-grid strong {
  font: 500 25px/1.25 var(--mono);
  font-variant-numeric: tabular-nums;
  color: var(--paper-bright);
}
.load-grid span {
  font-size: 12px;
  color: var(--muted);
}
.reading-register {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 30px;
  grid-column: 1/-1;
}
.reading-row {
  min-width: 0;
  padding-block: 18px;
  border-top: 1px solid var(--keyline-soft);
}
.reading-row dt {
  font-size: 14px;
  color: var(--muted);
}
.reading-row > dd:not(.reading-note-meta) {
  margin-top: 8px;
  font: 500 23px/1.25 var(--mono);
  font-variant-numeric: tabular-nums;
  color: var(--paper-bright);
  letter-spacing: -0.025em;
}
.reading-row > .reading-note-meta {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
}
.surface-register > div {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 2px 12px;
  padding: 12px 0;
  border-top: 1px solid var(--keyline-soft);
}
.surface-register dt {
  font-size: 14px;
}
.surface-register > div > dd:not(.surface-note) {
  grid-column: 2;
  grid-row: 1/3;
  align-self: center;
  font: 500 13px/1.5 var(--mono);
  color: var(--paper-bright);
}
.surface-note {
  font-size: 12px;
  color: var(--muted);
}
.traffic-register {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding-top: 23px;
  margin-top: 6px;
  border-top: 1px solid var(--keyline);
}
.traffic-register dt {
  font-size: 14px;
  color: var(--muted);
}
.traffic-register > div > dd:not(.traffic-note) {
  margin-top: 8px;
  font: 500 clamp(16px, 1.55vw, 22px) / 1.3 var(--mono);
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}
.traffic-note {
  display: none;
}
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 18px;
}
.chip {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}
.chip::before {
  content: "";
  width: 4px;
  height: 4px;
  flex-shrink: 0;
  background: var(--ok);
  border-radius: 50%;
}
/* Operations are compact rows with stable numeric alignment. */
.ai-module,
.service-module,
.history-module {
  margin-top: var(--section-space);
}
.ai-module > .module-core,
.service-module > .module-core,
.history-module > .module-core {
  padding: 0;
}
.module-head-ai {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  align-items: flex-start;
}
.ai-health-block {
  display: grid;
  grid-template-columns: auto auto;
  gap: 3px 12px;
  align-items: baseline;
  text-align: right;
}
.ai-health-block > span {
  color: var(--muted);
  font-size: 14px;
}
.ai-health-block strong {
  font: 500 17px/1.4 var(--mono);
  color: var(--amber);
}
.ai-health-block p {
  grid-column: 1/-1;
  max-width: 36ch;
  font-size: 12px;
  color: var(--muted);
}
.ai-layout {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 245px;
  border-block: 1px solid var(--keyline);
}
.ai-counters {
  display: grid;
  grid-template-rows: 1fr 1fr;
}
.ai-counters > div {
  padding: 22px 24px 22px 0;
  border-top: 1px solid var(--keyline-soft);
}
.ai-counters > div:first-child {
  border-top: 0;
}
.ai-counters span {
  font-size: 14px;
  color: var(--muted);
}
.ai-counters strong {
  display: block;
  margin-top: 6px;
  font: 500 35px/1.2 var(--mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}
.ai-flows {
  display: grid;
  grid-template-rows: 1fr 1fr;
  border-inline: 1px solid var(--keyline-soft);
}
.ai-flow {
  padding: 22px 26px;
  border-top: 1px solid var(--keyline-soft);
  min-width: 0;
}
.ai-flow:first-child {
  border-top: 0;
}
.ai-flow-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 14px;
}
.ai-flow-top time {
  color: var(--muted);
  font: 500 12px/1.5 var(--mono);
}
.ai-rail {
  position: relative;
  overflow: hidden;
  height: 12px;
  margin-block: 14px 11px;
  border-bottom: 1px solid var(--keyline-soft);
}
.ai-wave {
  position: absolute;
  inset: auto auto 0 0;
  height: 2px;
  width: 28px;
  background: var(--muted);
  opacity: 0.3;
}
.ai-flow[data-live="1"] .ai-wave {
  background: var(--amber);
  opacity: 1;
  animation: signal-travel 1000ms var(--ease) 1;
}
@keyframes signal-travel {
  from {
    left: 0;
  }
  to {
    left: calc(100% - 28px);
  }
}
.ai-flow-note {
  font-size: 12px;
  color: var(--muted);
}
.ai-metrics {
  display: grid;
  grid-template-rows: repeat(3, 1fr);
  padding-left: 26px;
}
.ai-metrics .tile {
  padding-block: 15px;
  border-top: 1px solid var(--keyline-soft);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3px 12px;
  align-content: center;
}
.ai-metrics .tile:first-child {
  border-top: 0;
}
.tile-label {
  font-size: 14px;
  color: var(--muted);
}
.tile-value {
  font: 500 15px/1.4 var(--mono);
  font-variant-numeric: tabular-nums;
  color: var(--paper-bright);
}
.tile-note {
  font-size: 12px;
  color: var(--muted);
}
.ai-metrics .tile-note {
  grid-column: 1/-1;
}
.tile-warm .tile-value {
  color: var(--amber);
}
.service-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 64px;
}
.service-bank h3 {
  padding-bottom: 14px;
  font: 400 14px/1.5 var(--sans);
  color: var(--muted);
}
.service-grid .tile {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(95px, 0.75fr) 82px;
  gap: 12px;
  align-items: center;
  min-height: 54px;
  padding-block: 12px;
  border-top: 1px solid var(--keyline-soft);
}
.service-grid .tile-label {
  grid-column: 1;
  grid-row: 1;
  color: var(--paper);
}
.service-grid .tile-value {
  grid-column: 3;
  grid-row: 1;
  font-size: 13px;
  text-align: right;
}
.service-grid .tile-note {
  grid-column: 2;
  grid-row: 1;
}
.service-grid .tile-strong .tile-value {
  color: var(--ok);
}
.service-grid .tile:not(.tile-strong):not(.tile-warm) .tile-value {
  color: var(--alarm);
}
.event-flash {
  animation: event-flash 800ms var(--ease) 1;
}
@keyframes event-flash {
  0%,
  45% {
    color: var(--amber);
  }
  100% {
    color: inherit;
  }
}
/* Native controls and SVG plots use the same surface and ink. */
.history-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.history-controls button {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 8px 15px;
  border: 1px solid var(--keyline);
  border-radius: 3px;
  color: var(--paper);
  background: var(--chassis);
  font-size: 14px;
  transition: border-color 150ms;
}
.history-controls button::before {
  content: "";
  height: 2px;
  width: 14px;
  background: var(--paper-bright);
}
.history-controls button[data-series="mem"]::before {
  background: var(--muted);
}
.history-controls button[data-series="disk"]::before {
  height: 0;
  border-bottom: 2px dashed var(--ok);
  background: none;
}
.history-controls button[aria-pressed="false"] {
  color: var(--muted);
  text-decoration: line-through;
  background: transparent;
  border-color: var(--keyline-soft);
}
.history-controls button[aria-pressed="false"]::before {
  opacity: 0.4;
}
.history-controls button:hover {
  border-color: var(--amber);
}
.history-figure {
  margin-bottom: 24px;
}
.history-figure figcaption {
  display: flex;
  gap: 9px;
  align-items: baseline;
  margin-bottom: 14px;
  font-size: 16px;
}
.history-figure figcaption span {
  font: 500 12px/1.5 var(--mono);
  color: var(--muted);
}
.history-plot {
  position: relative;
  padding-left: 50px;
}
.history-plot > svg {
  width: 100%;
  height: 190px;
  overflow: visible;
  cursor: crosshair;
  touch-action: pan-y;
  border-block: 1px solid var(--keyline-soft);
}
.temperature-figure .history-plot > svg {
  height: 124px;
}
.history-scale {
  position: absolute;
  inset: 0 auto 0 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font: 500 11px/1.4 var(--mono);
  color: var(--muted);
}
.chart-grid line {
  stroke: var(--keyline-soft);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: 2 5;
}
.trend-line {
  fill: none;
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.trend-line-cpu {
  stroke: var(--paper-bright);
}
.trend-line-mem {
  stroke: var(--muted);
}
.trend-line-disk {
  stroke: var(--ok);
  stroke-dasharray: 5 5;
}
.trend-line-temp {
  stroke: var(--amber);
}
.history-cursor {
  stroke: var(--muted);
  stroke-width: 1;
  stroke-dasharray: 3 5;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
}
.history-times {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-left: 50px;
  font: 500 11px/1.4 var(--mono);
  color: var(--muted);
}
.history-scrubber {
  display: grid;
  gap: 6px;
  margin-top: 24px;
  font-size: 14px;
  color: var(--muted);
}
.history-scrubber input {
  width: 100%;
  min-width: 0;
  height: 44px;
  margin: 0;
  background: transparent;
  cursor: pointer;
}
.history-scrubber input::-webkit-slider-runnable-track {
  height: 2px;
  background: var(--keyline);
}
.history-scrubber input::-webkit-slider-thumb {
  margin-top: -6px;
}
#history-readout {
  display: block;
  min-height: 50px;
  font: 500 12px/1.85 var(--mono);
  color: var(--paper-bright);
}
.history-note {
  margin-top: 4px;
  font-size: 12px;
  color: var(--muted);
}
.maintenance-drawer {
  margin-top: 30px;
  border-block: 1px solid var(--keyline-soft);
}
.maintenance-drawer > summary {
  padding: 18px 0;
  min-height: 60px;
  cursor: pointer;
  font-size: 14px;
}
.maintenance-drawer > summary > span {
  margin-left: 16px;
  color: var(--muted);
  font-size: 12px;
}
.overview-register {
  display: grid;
  grid-template-columns: 1fr 1fr 1.25fr 1fr;
  gap: 24px;
  padding-block: 10px 28px;
}
.register-cell {
  min-width: 0;
}
.register-cell dt {
  font-size: 14px;
  color: var(--muted);
}
.register-cell > dd:not(.register-note) {
  margin-top: 10px;
  font: 500 17px/1.4 var(--mono);
}
.register-note {
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
}
/* The entrance is large enough for the guide to politely ask to be let in. */
.game-drawer {
  margin-top: var(--section-space);
  border-block: 1px solid var(--keyline);
}
.game-drawer > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  min-height: 162px;
  padding: 34px 0;
  list-style: none;
  cursor: pointer;
}
.game-drawer > summary::-webkit-details-marker {
  display: none;
}
.game-summary-copy {
  display: grid;
  gap: 10px;
}
.game-summary-title {
  font: 600 52px/1 var(--display);
  letter-spacing: -0.025em;
}
.game-summary-note {
  font-size: 14px;
  color: var(--muted);
}
.game-summary-action {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  white-space: nowrap;
  color: var(--paper);
}
.game-summary-action svg {
  width: 44px;
  height: 44px;
  padding: 12px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  border: 1px solid var(--keyline);
  border-radius: 50%;
  transition:
    transform 240ms var(--ease),
    color 160ms,
    border-color 160ms;
}
.game-drawer > summary:hover .game-summary-action,
.game-drawer[data-guide="inviting"] .game-summary-action {
  color: var(--amber);
}
.game-drawer[data-guide="inviting"] .game-summary-action svg {
  border-color: var(--amber);
}
.game-drawer[open] .game-summary-action svg {
  transform: rotate(45deg);
}
.game-drawer[open] > summary {
  min-height: 142px;
}
.snake-console {
  width: min(760px, 100%);
  margin: 0 auto 36px;
}
.snake-chassis {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "masthead masthead" "screen screen" "instruments controls" "instructions instructions";
  column-gap: 24px;
  row-gap: 16px;
}
.snake-masthead {
  grid-area: masthead;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.snake-identity strong {
  font: 500 12px/1.5 var(--mono);
  letter-spacing: 0.07em;
}
.snake-identity > span {
  display: none;
}
.snake-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font: 500 10px/1.5 var(--mono);
  color: var(--muted);
}
.snake-link i {
  width: 4px;
  height: 4px;
}
.snake-screen {
  grid-area: screen;
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  border: 1px solid var(--keyline);
  background: var(--canvas);
  isolation: isolate;
  touch-action: pan-y;
}
.snake-console[data-state="running"] .snake-screen {
  touch-action: none;
}
#snake-canvas {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.snake-overlay {
  position: absolute;
  z-index: 2;
  inset: auto 0 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 20px;
  align-items: center;
  padding: 18px 20px;
  border-top: 1px solid var(--keyline);
  background: var(--chassis);
}
#snake-overlay-kicker {
  display: none;
}
#snake-overlay-title {
  font: 600 24px/1.15 var(--display);
  letter-spacing: -0.015em;
}
#snake-overlay-copy {
  font-size: 14px;
  line-height: 1.4;
  color: var(--muted);
  grid-column: 1;
}
.snake-primary {
  grid-row: 1/3;
  grid-column: 2;
  min-height: 46px;
  padding: 10px 20px;
  border: 1px solid var(--amber);
  border-radius: 2px;
  background: var(--amber);
  color: var(--canvas);
  font: 500 12px/1.4 var(--mono);
  transition: background 150ms;
}
.snake-primary:hover {
  background: var(--paper-bright);
  border-color: var(--paper-bright);
}
.snake-instrument-panel {
  grid-area: instruments;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
}
.snake-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.snake-stats dt {
  font-size: 12px;
  color: var(--muted);
}
.snake-stats dd {
  margin-top: 4px;
  font: 500 17px/1.3 var(--mono);
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}
.snake-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.snake-actions button {
  min-width: 90px;
  min-height: 44px;
  padding: 8px 16px;
  border: 1px solid var(--keyline);
  border-radius: 2px;
  background: transparent;
  color: var(--paper);
  font-size: 13px;
}
.snake-actions button:not(:disabled):hover {
  background: var(--bay);
  border-color: var(--amber);
}
.snake-mobile-controls {
  grid-area: controls;
  display: grid;
  grid-template-columns: repeat(3, 44px);
  grid-template-rows: repeat(2, 44px);
  gap: 6px;
}
.snake-direction {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  background: var(--chassis);
  border: 1px solid var(--keyline);
  border-radius: 2px;
  color: var(--paper);
}
.snake-direction:not(:disabled):hover,
.snake-direction:not(:disabled):active {
  color: var(--amber);
  border-color: var(--amber);
}
.snake-up {
  grid-column: 2;
}
.snake-left {
  grid-row: 2;
  grid-column: 1;
}
.snake-down {
  grid-row: 2;
  grid-column: 2;
}
.snake-right {
  grid-row: 2;
  grid-column: 3;
}
.snake-instructions {
  grid-area: instructions;
  font-size: 12px;
  color: var(--muted);
}
.snake-console[data-state="running"] .snake-overlay {
  display: none;
}
.page-snake {
  position: fixed;
  inset: 0;
  z-index: 35;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  contain: strict;
}
.site-footer {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding-block: 34px 38px;
  font-size: 12px;
  color: var(--muted);
}
.site-footer > span:first-child {
  color: var(--paper);
  font-family: var(--display);
  font-size: 18px;
  font-weight: 600;
}
.back-top {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  margin-left: auto;
  text-decoration: none;
}
.back-top svg {
  width: 16px;
  height: 16px;
  transform: rotate(-90deg);
}
.back-top:hover {
  color: var(--amber);
}
.noscript-message {
  max-width: 65ch;
  margin: 20px auto;
  padding: 20px;
  font-size: 16px;
  color: var(--amber);
}
@media (min-width: 1800px) {
  .page-shell {
    width: min(1360px, calc(100% - 160px));
  }
}
@media (min-width: 900px) and (max-height: 900px) {
  .snake-console {
    width: min(760px, 100%, calc(133.33svh - 320px));
  }
}
@media (max-width: 1100px) {
  .page-shell {
    width: calc(100% - 72px);
  }
  .top-rail {
    gap: 20px;
  }
  .rail-status {
    padding-left: 20px;
  }
  .rail-status-copy small {
    display: none;
  }
  .page-intro {
    gap: 44px;
  }
  .intro-statement {
    font-size: 23px;
  }
  .intro-actions {
    gap: 12px 18px;
  }
  .systems-grid {
    grid-template-columns: 1.4fr 1fr;
  }
  .module-core {
    padding: 26px;
  }
  .host-instruments {
    gap: 0 24px;
  }
  .load-grid {
    gap: 9px;
  }
  .load-grid strong {
    font-size: 21px;
  }
  .ai-layout {
    grid-template-columns: 116px minmax(0, 1fr) 220px;
  }
  .ai-flow {
    padding-inline: 22px;
  }
  .service-layout,
  .project-columns {
    gap: 44px;
  }
}
@media (max-width: 899px) {
  .theme-label {
    display: none;
  }
  :root {
    --section-space: 52px;
  }
  .top-rail {
    min-height: 72px;
    gap: 20px;
  }
  .rail-nav {
    gap: 20px;
  }
  .rail-status {
    padding-left: 14px;
  }
  .rail-status-copy strong {
    font-size: 11px;
  }
  .guide-pause {
    margin-left: -10px;
  }
  .page-intro {
    grid-template-columns: 1fr 1fr;
    padding-block: 48px 40px;
    gap: 30px;
  }
  .page-intro h1 {
    font-size: clamp(48px, 7.7vw, 68px);
  }
  .intro-statement {
    font-size: 21px;
  }
  .hero-summary-text {
    font-size: 14px;
    min-height: 44px;
  }
  .intro-actions {
    margin-top: 14px;
    gap: 5px 20px;
  }
  .quick-readings > div {
    padding: 19px;
  }
  .quick-readings dd {
    font-size: 25px;
  }
  h2 {
    font-size: 34px;
  }
  .directory-heading {
    margin-bottom: 24px;
  }
  .systems-grid {
    grid-template-columns: 1fr;
  }
  .network-module {
    border-left: 0;
    border-top: 1px solid var(--keyline);
  }
  .network-module .module-core {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    column-gap: 40px;
  }
  .network-module .module-head {
    grid-column: 1/-1;
  }
  .traffic-register {
    margin: 0;
    padding-top: 12px;
    align-content: start;
    border-top: 1px solid var(--keyline-soft);
  }
  .traffic-register > div > dd:not(.traffic-note) {
    font-size: 21px;
  }
  .chip-row {
    grid-column: 2;
    margin-top: -42px;
    align-self: start;
  }
  .primary-reading > strong {
    font-size: 43px;
  }
  .load-grid strong {
    font-size: 28px;
  }
  .reading-register {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }
  .reading-row > dd:not(.reading-note-meta) {
    font-size: 19px;
  }
  .ai-layout {
    grid-template-columns: 110px minmax(0, 1fr);
  }
  .ai-metrics {
    grid-column: 1/-1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-rows: auto;
    padding: 0;
    border-top: 1px solid var(--keyline-soft);
  }
  .ai-metrics .tile {
    border-top: 0;
    border-left: 1px solid var(--keyline-soft);
    padding: 20px;
    display: block;
  }
  .ai-metrics .tile:first-child {
    border-left: 0;
    padding-left: 0;
  }
  .ai-metrics .tile-value {
    margin-top: 8px;
  }
  .ai-metrics .tile-note {
    margin-top: 5px;
  }
  .ai-flows {
    border-right: 0;
  }
  .service-layout {
    gap: 36px;
    grid-template-columns: 1fr 1fr;
  }
  .service-grid .tile {
    grid-template-columns: 1fr auto;
    gap: 3px 12px;
  }
  .service-grid .tile-value {
    grid-column: 2;
    grid-row: 1/3;
  }
  .service-grid .tile-note {
    grid-column: 1;
    grid-row: 2;
  }
  .overview-register {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
  .game-summary-title {
    font-size: 46px;
  }
}
@media (max-width: 599px) {
  :root {
    --section-space: 44px;
  }
  html {
    scroll-padding-top: 84px;
  }
  .page-shell {
    width: calc(100% - 44px);
  }
  .top-rail {
    min-height: 64px;
    gap: 12px;
  }
  #host-name {
    font-size: 24px;
  }
  .rail-nav {
    gap: 16px;
  }
  .rail-nav a {
    font-size: 13px;
  }
  .rail-nav a[href="#machine"] {
    display: none;
  }
  .rail-status {
    position: absolute;
    right: 0;
    top: 77px;
    border: 0;
    padding: 0;
    gap: 6px;
  }
  .rail-status-copy strong {
    font-size: 10px;
  }
  .signal-lamp {
    width: 4px;
    height: 4px;
  }
  .top-rail.is-scrolled .rail-status {
    display: none;
  }
  .guide-pause {
    width: 34px;
    height: 44px;
    min-width: 34px;
    border-radius: 3px;
    margin-left: -4px;
  }
  .guide-pause svg {
    width: 14px;
    height: 14px;
  }
  .page-intro {
    grid-template-columns: 1fr;
    gap: 26px;
    padding-block: 38px 30px;
  }
  .page-intro h1 {
    font-size: clamp(54px, 15vw, 82px);
    line-height: 0.98;
    max-width: 480px;
  }
  .intro-copy {
    padding: 0;
    max-width: 100%;
  }
  .intro-statement {
    font-size: 21px;
    line-height: 1.3;
  }
  .intro-statement br {
    display: none;
  }
  .hero-summary-text {
    margin-top: 10px;
    max-width: 36ch;
    min-height: 44px;
    font-size: 14px;
  }
  .intro-actions {
    gap: 14px 28px;
    margin-top: 12px;
  }
  .intro-actions a {
    font-size: 13px;
    gap: 10px;
  }
  .quick-readings {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .quick-readings > div {
    padding: 16px 18px;
  }
  .quick-readings > div:nth-child(3) {
    border-left: 0;
  }
  .quick-readings > div:nth-child(n + 3) {
    border-top: 1px solid var(--keyline-soft);
  }
  .quick-readings dt {
    font-size: 13px;
  }
  .quick-readings dd {
    font-size: 26px;
  }
  .summary-update {
    font-size: 11px;
    line-height: 1.6;
  }
  h2 {
    font-size: 34px;
  }
  h3 {
    font-size: 25px;
  }
  .directory-heading {
    display: block;
    margin-bottom: 24px;
  }
  .directory-heading p {
    margin-top: 9px;
    font-size: 14px;
  }
  .project-columns {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .project-rows a {
    min-height: 82px;
    padding-block: 17px;
  }
  .project-rows strong {
    font-size: 26px;
  }
  .module-core {
    padding: 24px 20px;
  }
  .module-head {
    margin-bottom: 24px;
  }
  .module-head > p,
  .module-head > div > p {
    font-size: 14px;
  }
  .host-instruments {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .primary-reading {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 12px;
    padding-bottom: 23px;
  }
  .primary-reading > strong {
    grid-column: 2;
    grid-row: 1/3;
    align-self: center;
    text-align: right;
    font-size: 34px;
    margin: 0;
  }
  .reading-note {
    font-size: 12px;
    margin: 0;
  }
  #cpu-meter {
    grid-column: 1/-1;
    margin-top: 12px;
  }
  .load-reading {
    border-top: 1px solid var(--keyline-soft);
    padding-block: 18px 22px;
  }
  .load-grid {
    margin: 0;
    padding-top: 14px;
    gap: 16px;
  }
  .load-grid strong {
    font-size: 25px;
  }
  .reading-register {
    grid-template-columns: 1fr 1fr;
    gap: 0 22px;
  }
  .reading-row > dd:not(.reading-note-meta) {
    font-size: 21px;
  }
  .reading-row {
    padding-block: 16px;
  }
  .reading-row > .reading-note-meta {
    font-size: 12px;
  }
  .network-module .module-core {
    display: block;
  }
  .traffic-register {
    margin-top: 20px;
    padding-top: 18px;
    gap: 16px;
  }
  .traffic-register > div > dd:not(.traffic-note) {
    font-size: 19px;
  }
  .chip-row {
    margin-top: 20px;
  }
  .module-head-ai {
    display: block;
  }
  .ai-health-block {
    display: flex;
    flex-wrap: wrap;
    text-align: left;
    gap: 6px 12px;
    margin-top: 18px;
  }
  .ai-health-block p {
    flex-basis: 100%;
    max-width: 100%;
  }
  .ai-layout {
    grid-template-columns: 1fr;
  }
  .ai-counters {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    border-bottom: 1px solid var(--keyline-soft);
  }
  .ai-counters > div {
    padding: 18px 0;
    border: 0;
  }
  .ai-counters > div + div {
    padding-left: 22px;
    border-left: 1px solid var(--keyline-soft);
  }
  .ai-counters strong {
    font-size: 30px;
  }
  .ai-flows {
    border: 0;
  }
  .ai-flow {
    padding: 20px 0;
  }
  .ai-flow-top {
    gap: 6px;
  }
  .ai-flow-top time {
    font-size: 11px;
  }
  .ai-rail {
    margin-block: 10px;
    height: 8px;
  }
  .ai-metrics {
    grid-template-columns: 1fr;
  }
  .ai-metrics .tile,
  .ai-metrics .tile:first-child {
    display: grid;
    grid-template-columns: 1fr auto;
    padding: 15px 0;
    border: 0;
    border-top: 1px solid var(--keyline-soft);
  }
  .ai-metrics .tile:first-child {
    border-top: 0;
  }
  .ai-metrics .tile-value,
  .ai-metrics .tile-note {
    margin: 0;
  }
  .service-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .service-grid .tile {
    grid-template-columns: minmax(0, 1fr) minmax(74px, 0.8fr) 70px;
    gap: 8px;
    min-height: 54px;
  }
  .service-grid .tile-note {
    grid-column: 2;
    grid-row: 1;
  }
  .service-grid .tile-value {
    grid-column: 3;
    grid-row: 1;
    font-size: 12px;
  }
  .service-grid .tile-label {
    font-size: 13px;
  }
  .history-controls {
    margin-bottom: 24px;
  }
  .history-controls button {
    padding-inline: 12px;
  }
  .history-plot {
    padding-left: 42px;
  }
  .history-times {
    padding-left: 42px;
    font-size: 10px;
    gap: 10px;
  }
  .history-plot > svg {
    height: 155px;
  }
  .temperature-figure .history-plot > svg {
    height: 115px;
  }
  .history-scale {
    font-size: 10px;
  }
  #history-readout {
    min-height: 92px;
    font-size: 11px;
  }
  .history-note {
    font-size: 12px;
  }
  .maintenance-drawer > summary > span {
    margin-left: 8px;
    font-size: 11px;
  }
  .overview-register {
    gap: 22px;
  }
  .register-cell > dd:not(.register-note) {
    font-size: 14px;
  }
  .game-drawer > summary {
    min-height: 160px;
    padding-block: 28px;
    gap: 18px;
  }
  .game-summary-title {
    font-size: 42px;
  }
  .game-summary-note {
    max-width: 22ch;
    font-size: 13px;
  }
  .game-summary-action {
    gap: 10px;
    font-size: 12px;
    flex-direction: column-reverse;
    align-items: center;
  }
  .game-summary-action svg {
    width: 40px;
    height: 40px;
    padding: 10px;
  }
  .game-drawer[open] > summary {
    min-height: 150px;
  }
  .snake-chassis {
    gap: 16px 12px;
  }
  .snake-masthead {
    gap: 8px;
  }
  .snake-identity strong {
    font-size: 11px;
  }
  .snake-link {
    font-size: 9px;
  }
  .snake-overlay {
    padding: 13px 12px;
    gap: 4px 12px;
  }
  #snake-overlay-title {
    font-size: 21px;
  }
  #snake-overlay-copy {
    display: none;
  }
  .snake-primary {
    padding-inline: 12px;
    font-size: 10px;
    min-height: 44px;
  }
  .snake-stats {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .snake-stats > div:nth-child(n + 3) {
    display: none;
  }
  .snake-stats dd {
    font-size: 16px;
  }
  .snake-actions {
    gap: 6px;
  }
  .snake-actions button {
    min-width: 0;
    padding: 8px 11px;
    font-size: 12px;
  }
  .snake-mobile-controls {
    grid-template-columns: repeat(3, 40px);
    grid-template-rows: repeat(2, 44px);
    gap: 4px;
  }
  .snake-instructions {
    font-size: 11px;
  }
  .site-footer {
    gap: 4px 20px;
    display: grid;
    grid-template-columns: 1fr auto;
    padding-block: 28px;
  }
  .site-footer > span:first-child {
    font-size: 17px;
  }
  .site-footer > span:nth-child(2) {
    grid-column: 1;
    font-size: 11px;
  }
  .back-top {
    grid-column: 2;
    grid-row: 1/3;
    font-size: 11px;
  }
  .state-banner {
    display: block;
    margin-top: 20px;
  }
  .state-banner button {
    margin-top: 12px;
  }
}
@media (max-width: 359px) {
  .page-shell {
    width: calc(100% - 44px);
  }
  .top-rail {
    gap: 4px;
  }
  .rail-nav {
    gap: 8px;
  }
  .rail-nav a {
    font-size: 12px;
  }
  #host-name {
    font-size: 22px;
  }
  .intro-actions {
    gap: 8px 18px;
  }
  .quick-readings > div {
    padding: 15px 13px;
  }
  .quick-readings dd {
    font-size: 24px;
  }
  .module-core {
    padding: 22px 16px;
  }
  .reading-row > dd:not(.reading-note-meta) {
    font-size: 19px;
  }
  .service-grid .tile {
    grid-template-columns: minmax(0, 1fr) 70px;
  }
  .service-grid .tile-note {
    grid-column: 1;
    grid-row: 2;
  }
  .service-grid .tile-value {
    grid-column: 2;
    grid-row: 1/3;
  }
  .snake-mobile-controls {
    grid-template-columns: repeat(3, 36px);
    gap: 3px;
  }
  .snake-actions button {
    padding-inline: 8px;
  }
  .game-summary-title {
    font-size: 38px;
  }
}
@media (max-width: 319px) {
  .top-rail {
    flex-wrap: wrap;
    padding-block: 8px;
  }
  .rail-nav {
    order: 3;
    width: 100%;
  }
  .rail-status {
    top: auto;
    bottom: 22px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
  .page-snake,
  .guide-pause {
    display: none !important;
  }
  .project-rows a:hover svg,
  .intro-actions a:hover svg {
    transform: none;
  }
}
@media (forced-colors: active) {
  .page-snake {
    display: none;
  }
  .signal-lamp,
  .snake-link i,
  .chip::before {
    background: CanvasText;
  }
  .systems-grid,
  .snake-screen,
  .snake-overlay,
  .history-controls button {
    border-color: CanvasText;
  }
  #snake-canvas {
    forced-color-adjust: none;
  }
}
@media print {
  .rail-tools {
    display: none;
  }
  .top-rail {
    position: static;
  }
  .guide-pause,
  .page-snake,
  .intro-actions,
  .history-controls,
  .history-scrubber,
  .game-drawer,
  .back-top {
    display: none !important;
  }
  body {
    background: #fff;
    color: #111;
  }
  .page-shell {
    width: 100%;
  }
  .module {
    break-inside: avoid;
  }
}

/* Leaving is a short, interruptible handoff; the result remains after a loss. */
.snake-console[data-state="leaving"] .snake-overlay {
  pointer-events: none;
}
@media (max-width: 599px) {
  #snake-exit {
    flex-basis: 100%;
  }
}

/* Approved identity 02: moss profile, amber facet, neutral wordmark. */
:root {
  --brand-moss: #92ae78;
  --brand-wordmark: #f2efe5;
}
:root[data-theme="light"] {
  --brand-moss: #466b48;
  --brand-wordmark: #0b0f0e;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --brand-moss: #466b48;
    --brand-wordmark: #0b0f0e;
  }
}
#host-name {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.brand-logo {
  display: block;
  width: 204px;
  height: auto;
}
@media (max-width: 599px) {
  .brand-logo {
    width: 144px;
  }
}
@media (max-width: 380px) {
  .rail-nav a[href="#projects"] {
    display: none;
  }
}

/* Keep the invitation icon still when its label changes. */
#game-invitation {
  display: inline-block;
  min-width: 5.5em;
  text-align: center;
}