:root {
  --obs-display: Georgia, "Times New Roman", serif;
  --obs-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --obs-max: 1500px;
  --obs-paper: #f2eee3;
  --obs-paper-ink: #24262b;
  --obs-paper-muted: #6d6258;
  --obs-paper-line: #d0c7b8;
  --obs-pharaoh: #f0b44c;
  --obs-lfj: #ef5a6f;
  --obs-blackhole: #9b8cff;
}

:root[data-cd-theme="light"] {
  --obs-paper: #fffaf0;
  --obs-paper-ink: #171b1e;
  --obs-paper-muted: #62584f;
  --obs-paper-line: #c8bdae;
  --obs-pharaoh: #936100;
  --obs-lfj: #b4233a;
  --obs-blackhole: #6545ad;
}

* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; }
body.observatory-body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background-color: var(--cd-bg);
  color: var(--cd-text);
  font-family: var(--obs-display);
  text-rendering: optimizeLegibility;
}

a { color: var(--cd-link); text-underline-offset: 4px; }
a:focus-visible,
button:focus-visible { outline: 2px solid var(--cd-context); outline-offset: 3px; }

.skip-link {
  position: fixed;
  z-index: 2147483641;
  top: 5px;
  left: 8px;
  padding: 11px 14px;
  transform: translateY(-150%);
  border: 1px solid var(--cd-border-strong);
  background: var(--cd-surface-1);
  color: var(--cd-text);
  font: 700 11px/1 var(--obs-mono);
  text-transform: uppercase;
}
.skip-link:focus { transform: none; }

/* The canonical v1.5.1 fleet shell remains the global chassis. */
.cd-site-shell,
.cd-site-shell__button,
.cd-site-shell__status,
.cd-site-shell .cd-theme-toggle { font-size: 11px; }
.cd-site-shell__home b { font-size: 11px; }

.observatory-nav,
main,
body.observatory-body > footer {
  width: min(var(--obs-max), 100%);
  margin-inline: auto;
  padding-inline: clamp(18px, 4vw, 64px);
}

.observatory-nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  border-bottom: 1px solid var(--cd-border);
}

.brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 13px;
  color: var(--cd-text) !important;
  text-decoration: none;
}
.brand > span:last-child { display: grid; gap: 4px; }
.brand b,
.brand small {
  font-family: var(--obs-mono);
  line-height: 1;
  letter-spacing: .12em;
}
.brand b { font-size: 12px; }
.brand small { color: var(--cd-muted); font-size: 11px; }
.mark {
  width: 29px;
  height: 29px;
  position: relative;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--cd-accent) 60%, var(--cd-border));
  transform: rotate(45deg);
  background: color-mix(in srgb, var(--cd-accent) 9%, var(--cd-surface-1));
}
.mark::before,
.mark::after,
.mark i {
  content: "";
  position: absolute;
  border: solid var(--cd-accent);
}
.mark::before { width: 12px; height: 12px; border-width: 1px 0 0 1px; }
.mark::after { width: 5px; height: 5px; border-width: 0 1px 1px 0; }
.mark i { width: 19px; border-width: 1px 0 0; transform: rotate(-45deg); }

.observatory-nav nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 7px;
  font: 700 11px/1 var(--obs-mono);
}
.observatory-nav nav a {
  min-height: 39px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0 11px;
  border: 1px solid transparent;
  color: var(--cd-muted);
  text-decoration: none;
  text-transform: uppercase;
}
.observatory-nav nav a span { color: var(--cd-accent); }
.observatory-nav nav a:hover { border-color: var(--cd-border); color: var(--cd-text); }
.observatory-nav nav a[aria-current="page"] {
  border-color: var(--cd-border-strong);
  background: var(--cd-surface-2);
  color: var(--cd-text);
  box-shadow: inset 0 -2px var(--cd-accent);
}
.observatory-nav nav .shelf-return {
  margin-right: 5px;
  border-color: var(--cd-border);
  color: var(--cd-link);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 36px;
  padding: clamp(45px, 6vw, 82px) 0 34px;
}
.eyebrow,
.plate,
.pricing-notice,
.instrument-bar,
.status,
.metric-label,
.stat-detail,
.side-detail,
.pricing-reason,
.section-note,
.legend,
.source,
.paper-head,
.lane-readout,
body.observatory-body > footer { font-family: var(--obs-mono); }
.eyebrow {
  margin: 0 0 18px;
  color: var(--cd-accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .15em;
  line-height: 1.5;
  text-transform: uppercase;
}
h1 {
  max-width: 920px;
  margin: 0;
  color: var(--cd-text);
  font: 400 clamp(52px, 7.2vw, 104px)/.89 var(--obs-display);
  letter-spacing: -.055em;
}
h1 em { color: var(--cd-muted); font-weight: 400; }
.intro {
  max-width: 620px;
  margin: 22px 0 0;
  color: var(--cd-muted);
  font-size: clamp(15px, 1.3vw, 18px);
  line-height: 1.6;
}
.plate {
  padding-left: 22px;
  border-left: 2px solid var(--cd-accent);
  color: var(--cd-muted);
  font-size: 11px;
  line-height: 1.9;
  text-align: right;
  letter-spacing: .06em;
}

.pricing-notice {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  margin: 0 0 18px;
  padding: 15px 18px;
  border: 1px solid color-mix(in srgb, var(--cd-warn) 55%, var(--cd-border));
  border-left: 3px solid var(--cd-warn);
  background: color-mix(in srgb, var(--cd-warn-bg) 78%, var(--cd-surface-1));
  color: var(--cd-text);
}
.notice-mark {
  min-width: 68px;
  padding: 9px 8px;
  border: 1px solid color-mix(in srgb, var(--cd-warn) 55%, transparent);
  color: var(--cd-warn);
  font: 800 11px/1 var(--obs-mono);
  text-align: center;
}
.pricing-notice strong { display: block; font-size: 12px; letter-spacing: .04em; text-transform: uppercase; }
.pricing-notice p { margin: 5px 0 0; color: var(--cd-muted); font-size: 11px; line-height: 1.6; }

.instrument {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--cd-border);
  border-top: 2px solid var(--cd-accent);
  background: var(--cd-surface-1);
  box-shadow: var(--cd-shadow);
}
.instrument-bar {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--cd-border);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--cd-accent) 11%, transparent), transparent 28%),
    var(--cd-surface-1);
  color: var(--cd-text);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .07em;
}
.status { max-width: 68%; color: var(--cd-muted); font-size: 11px; font-weight: 500; line-height: 1.5; text-align: right; letter-spacing: 0; }
.status::before {
  content: "";
  width: 7px;
  height: 7px;
  display: inline-block;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--cd-muted);
}
.status[data-state="live"]::before { background: var(--cd-good); box-shadow: 0 0 0 3px color-mix(in srgb, var(--cd-good) 15%, transparent); }
.status[data-state="stale"]::before { background: var(--cd-warn); }
.status[data-state="error"]::before { background: var(--cd-danger); }

.plot-wrap { position: relative; height: 420px; overflow: hidden; }
.plot-wrap canvas { width: 100%; height: 100%; display: block; }
.instrument[data-state="stale"] canvas,
.instrument[data-state="error"] canvas,
.instrument[data-empty="true"] canvas { opacity: .66; }
.overlay {
  position: absolute;
  z-index: 3;
  top: 18px;
  left: 50%;
  width: max-content;
  max-width: calc(100% - 28px);
  padding: 10px 14px;
  transform: translateX(-50%);
  border: 1px solid color-mix(in srgb, var(--cd-warn) 60%, var(--cd-border));
  background: color-mix(in srgb, var(--cd-warn-bg) 94%, transparent);
  color: var(--cd-warn);
  font: 700 11px/1.4 var(--obs-mono);
  text-align: center;
  pointer-events: none;
}
.overlay[hidden] { display: none; }

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--cd-border);
}
.stat {
  min-width: 0;
  padding: 20px 22px 21px;
  border-right: 1px solid var(--cd-border);
  background: color-mix(in srgb, var(--cd-surface-1) 93%, transparent);
}
.stat:last-child { border-right: 0; }
.venue {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 15px;
  color: var(--cd-text);
  font: 400 20px/1.1 var(--obs-display);
}
.venue::before { content: ""; width: 8px; height: 8px; flex: 0 0 auto; border-radius: 50%; background: var(--dex); box-shadow: 0 0 0 4px color-mix(in srgb, var(--dex) 12%, transparent); }
[data-dex="pharaoh"] { --dex: var(--obs-pharaoh); }
[data-dex="trader_joe"] { --dex: var(--obs-lfj); }
[data-dex="blackhole"] { --dex: var(--obs-blackhole); }
.numbers { display: flex; align-items: start; justify-content: space-between; gap: 18px; }
.metric { min-width: 0; }
.metric + .metric { text-align: right; }
.metric-label { display: block; margin-bottom: 8px; color: var(--cd-muted); font-size: 11px; line-height: 1.3; letter-spacing: .06em; }
.swaps,
.volume { color: var(--cd-text); font-weight: 400; font-variant-numeric: tabular-nums; }
.swaps { font-size: 30px; line-height: 1; }
.volume { display: block; max-width: 13ch; overflow-wrap: anywhere; font-size: 23px; line-height: 1.12; }
.stat-detail { display: flex; justify-content: space-between; gap: 9px; margin-top: 13px; color: var(--cd-muted); font-size: 11px; line-height: 1.5; }
.side-detail,
.pricing-reason { margin: 8px 0 0; font-size: 11px; line-height: 1.5; }
.side-detail { color: var(--cd-muted); }
.pricing-reason { color: var(--cd-warn); overflow-wrap: anywhere; }

.section-note {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin: 13px 0 34px;
  color: var(--cd-muted);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: .035em;
}
.notes {
  display: grid;
  grid-template-columns: minmax(240px, .72fr) minmax(0, 1.55fr);
  gap: clamp(35px, 6vw, 90px);
  padding: 38px 0 42px;
  border-top: 1px solid var(--cd-border);
}
.notes h2 { margin: 0 0 16px; color: var(--cd-text); font: 400 clamp(27px, 3vw, 42px)/1.05 var(--obs-display); letter-spacing: -.035em; }
.notes p:not(.eyebrow) { max-width: 440px; margin: 0; color: var(--cd-muted); font-size: 14px; line-height: 1.7; }
.legend { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 28px; color: var(--cd-muted); font-size: 11px; line-height: 1.65; }
.legend b { color: var(--cd-text); font-weight: 700; }
.glyph { width: 27px; display: inline-block; color: var(--cd-accent); font-size: 17px; }
.source {
  padding: 20px 0 24px;
  border-top: 1px solid var(--cd-border);
  color: var(--cd-muted);
  font-size: 11px;
  line-height: 1.8;
}
.source b { color: var(--cd-text); }
.source code { padding: 2px 4px; border: 1px solid var(--cd-border); background: var(--cd-surface-2); color: var(--cd-text); font-family: inherit; }
body.observatory-body > footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 22px;
  padding-bottom: 34px;
  border-top: 1px solid var(--cd-border);
  color: var(--cd-muted);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: .06em;
}
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

/* The recorder remains a cream scientific plate in both site themes. */
.paper { border-top-color: var(--obs-lfj); background: var(--obs-paper); color: var(--obs-paper-ink); }
.paper .instrument-bar { border-bottom-color: var(--cd-border); background: var(--cd-surface-1); color: var(--cd-text); }
.paper-head {
  min-height: 39px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 18px 0;
  color: var(--obs-paper-muted);
  font-size: 11px;
  letter-spacing: .06em;
}
.paper .plot-wrap { height: 450px; }
.paper .stats { border-color: var(--obs-paper-line); }
.paper .stat { border-color: var(--obs-paper-line); background: var(--obs-paper); }
.paper .venue,
.paper .swaps,
.paper .volume { color: var(--obs-paper-ink); }
.paper .metric-label,
.paper .stat-detail,
.paper .side-detail { color: var(--obs-paper-muted); }
.paper .pricing-reason { color: #765d1e; }
:root[data-cd-theme="light"] .paper .pricing-reason { color: #6b5010; }

.lane-readouts {
  position: absolute;
  z-index: 2;
  inset: 16px 16px 54px auto;
  width: 218px;
  display: grid;
  grid-template-rows: repeat(3, minmax(0, 1fr));
  color: var(--obs-paper-ink);
}
.lane-readout {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-left: 14px;
  border-left: 1px solid var(--obs-paper-line);
  font-size: 11px;
  line-height: 1.35;
}
.lane-readout .swaps { font-size: 17px; }
.lane-readout .metric-label { margin: 5px 0 2px; color: var(--obs-paper-muted); letter-spacing: 0; }
.lane-readout .volume { max-width: none; color: var(--obs-paper-ink); font-size: 17px; }
.lane-readout .stat-detail { display: block; margin-top: 4px; color: var(--obs-paper-muted); }
.lane-readout .side-detail,
.lane-readout .pricing-reason { margin-top: 3px; line-height: 1.3; }
.lane-readout .pricing-reason { overflow-wrap: anywhere; }

@media (min-width: 900px) {
  .paper > .stats { display: none; }
}

@media (max-width: 899px) {
  .observatory-nav,
  main,
  body.observatory-body > footer { padding-inline: 22px; }
  .hero { padding-top: 45px; }
  .plate { display: none; }
  .plot-wrap { height: 345px; }
  .paper .plot-wrap { height: 370px; }
  .lane-readouts { display: none; }
  .stats { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--cd-border); }
  .stat:last-child { border-bottom: 0; }
  .numbers { max-width: 480px; }
  .notes { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 680px) {
  body.cd-fleet-surface { --cd-site-shell-height: 50px; }
  .cd-site-shell { gap: 8px; padding-inline: 8px; }
  .cd-site-shell__breadcrumb { padding-left: 9px; }
  .cd-fleet-rail__title,
  .cd-site-shell__search-button,
  .cd-site-shell__status { display: none; }
  .cd-site-shell__actions { gap: 5px; }
  .cd-site-shell__button { padding-inline: 8px; }
  .observatory-nav { min-height: 112px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 12px; }
  .observatory-nav nav { width: 100%; justify-content: flex-start; overflow-x: auto; padding-bottom: 3px; scrollbar-width: thin; }
  .observatory-nav nav a { flex: 0 0 auto; }
  .observatory-nav nav .shelf-return { margin-right: 0; }
  .hero { display: block; padding: 36px 0 27px; }
  h1 { font-size: clamp(46px, 14vw, 65px); line-height: .92; }
  .intro { margin-top: 18px; font-size: 15px; }
  .pricing-notice { align-items: start; grid-template-columns: 1fr; gap: 10px; padding: 14px; }
  .notice-mark { width: max-content; }
  .instrument-bar { align-items: flex-start; flex-direction: column; gap: 5px; }
  .status { max-width: none; text-align: left; }
  .plot-wrap { height: 320px; }
  .paper .plot-wrap { height: 365px; }
  .section-note { display: block; }
  .section-note span { display: block; margin-bottom: 5px; }
  .legend { grid-template-columns: 1fr; }
  body.observatory-body > footer { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 430px) {
  .observatory-nav,
  main,
  body.observatory-body > footer { padding-inline: 14px; }
  .brand b { font-size: 11px; }
  .brand small { font-size: 11px; letter-spacing: .07em; }
  .observatory-nav nav { gap: 4px; }
  .observatory-nav nav a { min-height: 38px; padding-inline: 9px; }
  .observatory-nav nav .shelf-return { width: 39px; overflow: hidden; color: transparent; }
  .observatory-nav nav .shelf-return::before { content: "↖"; color: var(--cd-link); font-size: 17px; }
  .eyebrow { margin-bottom: 14px; letter-spacing: .08em; }
  h1 { font-size: 48px; }
  .intro { font-size: 14px; }
  .plot-wrap { height: 290px; }
  .paper .plot-wrap { height: 350px; }
  .paper-head { padding-inline: 12px; letter-spacing: 0; }
  .stat { padding: 18px 14px; }
  .numbers { align-items: flex-start; }
  .swaps { font-size: 27px; }
  .volume { max-width: 11ch; font-size: 20px; }
  .notes { padding-top: 30px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}