:root {
  color-scheme: light;
  --ink: var(--aqe-n-900);
  --muted: var(--aqe-n-600);
  --accent: var(--aqe-blue-600);
  --accent-strong: var(--aqe-blue-700);
  --teal: var(--aqe-cyan-600);
  --line: var(--aqe-panel-border-soft);
  --surface: var(--aqe-n-0);
  --canvas: var(--aqe-n-50);
  --shadow: var(--sh-2);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; padding: 0; background: var(--canvas); color: var(--ink); font-family: 'Avenir Next', 'Trebuchet MS', sans-serif; }
button, select { font: inherit; }
a { color: inherit; text-decoration: none; }
button, a, select { -webkit-tap-highlight-color: transparent; }
:is(button, a, select, #globe [role=button]):focus-visible { outline: 3px solid var(--aqe-blue-500); outline-offset: 3px; }

body > header {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: clamp(16px, 2vw, 34px);
  min-height: 78px; padding: 12px clamp(20px, 4vw, 64px);
  border-bottom: 1px solid var(--trade-border); background: var(--aqe-navy-900);
  box-shadow: 0 5px 24px rgb(8 19 31 / 15%);
  backdrop-filter: blur(18px);
}
.aqe-brand-link { display: inline-flex; align-items: center; white-space: nowrap; }
.aqe-wordmark { font-size: 29px; font-weight: 850; letter-spacing: -.075em; }
.aqe-wordmark .q { color: var(--logo-accent); }
#back > span { display: none; }
header nav { display: flex; align-items: center; gap: 4px; }
header nav a { min-height: 42px; display: inline-flex; align-items: center; padding: 9px 13px; border-radius: 11px; color: var(--trade-ink); font-size: 13px; font-weight: 700; transition: background .16s, color .16s; }
header nav a:hover { background: var(--aqe-navy-600); color: var(--aqe-n-0); }
header > div { display: flex; align-items: center; gap: 9px; margin-left: auto; }
button, select, #connect {
  min-height: 46px; border: 1px solid var(--line); border-radius: 11px;
  padding: 10px 15px; background: var(--surface); color: var(--ink);
  cursor: pointer; touch-action: manipulation;
}
button { font-weight: 750; transition: background .16s, border-color .16s, transform .16s; }
button:hover { border-color: var(--aqe-blue-300); background: var(--aqe-blue-50); }
button:active { transform: translateY(1px); }
button:disabled { opacity: .55; cursor: wait; }
#fullscreen, #connect { border-color: var(--accent); background: var(--accent); color: white; box-shadow: 0 6px 16px rgb(25 59 96 / 14%); }
#fullscreen:hover, #connect:hover { background: var(--aqe-blue-700); }

main { width: min(1520px, calc(100% - clamp(32px, 8vw, 128px))); margin: 0 auto; padding: 40px 0 54px; }
.heading { display: flex; justify-content: space-between; align-items: end; gap: 22px; padding: 6px 0 23px; }
.heading > div { max-width: 760px; }
.eyebrow { margin: 0 0 12px; color: var(--accent-strong); font: 750 11px/1.4 ui-monospace, SFMono-Regular, monospace; letter-spacing: .18em; }
h1 { margin: 0; font-size: clamp(30px, 3vw, 48px); line-height: 1.1; font-weight: 780; letter-spacing: -.052em; }
.heading p:not(.eyebrow) { margin: 13px 0 0; max-width: 640px; color: var(--muted); font-size: 15px; line-height: 1.65; }
#refresh { padding-inline: 21px; white-space: nowrap; }
.notice { display: flex; align-items: center; gap: 16px; min-height: 57px; padding: 8px 10px 8px 18px; border: 1px solid var(--aqe-panel-border); border-radius: 14px; background: var(--aqe-blue-50); color: var(--aqe-panel-copy); font-size: 12px; }
#status { display: inline-flex; align-items: center; gap: 8px; color: var(--accent); font-weight: 800; white-space: nowrap; }
#status::before { width: 7px; height: 7px; border-radius: 50%; background: var(--aqe-cyan-600); content: ''; box-shadow: 0 0 0 4px color-mix(in srgb, var(--aqe-cyan-600) 12%, transparent); }
#status[data-state=unavailable] { color: var(--aqe-status-error); }
#status[data-state=unavailable]::before { background: var(--aqe-status-error); box-shadow: 0 0 0 4px color-mix(in srgb, var(--aqe-status-error) 12%, transparent); }
#status[data-state=stale] { color: var(--aqe-amber-700); }
#status[data-state=stale]::before { background: var(--aqe-amber-700); box-shadow: 0 0 0 4px color-mix(in srgb, var(--aqe-amber-700) 12%, transparent); }
.notice button { margin-left: auto; min-height: 38px; padding: 7px 12px; background: white; font-size: 12px; }
.toolbar { display: grid; grid-template-columns: minmax(0, 2fr) minmax(220px, 1fr); gap: 12px; margin: 19px 0 22px; }
.toolbar label { display: grid; gap: 7px; min-width: 0; color: #61758a; font-size: 11px; font-weight: 800; letter-spacing: .045em; }
.toolbar select { width: 100%; min-width: 0; background: white; font-weight: 650; letter-spacing: 0; }

#observatory-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-bottom: 18px; }
#observatory-summary > div { display: flex; justify-content: space-between; align-items: end; gap: 10px; min-width: 0; padding: 19px 20px; border: 1px solid var(--line); border-radius: 16px; background: white; box-shadow: 0 4px 15px rgb(28 62 99 / 4%); }
#observatory-summary span { color: var(--muted); font-size: 12px; font-weight: 650; }
#observatory-summary strong { color: var(--accent); font-size: 26px; font-weight: 780; font-variant-numeric: tabular-nums; line-height: 1; }

.grid:has(.sphere-main) { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); align-items: stretch; gap: 16px; }
html .grid:has(.sphere-main) .panel { background:white; border: 1px solid var(--line); }
.panel { position: relative; min-width: 0; padding: 20px; border-radius: 18px; box-shadow: var(--shadow); overflow: hidden; }
.panel::before { position: absolute; top: 0; left: 20px; right: 20px; height: 2px; background: linear-gradient(90deg, #2d75ad, #49b5aa 44%, transparent 88%); content: ''; opacity: .8; }
.panel h2 { display: flex; align-items: center; min-height: 25px; margin: 0 0 7px; color: var(--ink); font-size: 16px; font-weight: 800; line-height: 1.3; letter-spacing: -.025em; }
.panel > p { margin: 0 0 15px; color: var(--muted); font-size: 11px; line-height: 1.55; }
.analytical-panel svg { margin-top: auto; }
svg { display: block; width: 100%; max-height: 420px; }
svg text { font-family: 'Avenir Next', 'Trebuchet MS', sans-serif; }

.sphere-main { grid-column: 2/4; grid-row: 2/4; display: flex; flex-direction: column; background: linear-gradient(150deg, #fff 50%, #eef6fb) !important; }
.sphere-main::after { position: absolute; right: -130px; bottom: -250px; width: 460px; height: 460px; border: 1px solid #dceaf4; border-radius: 50%; content: ''; pointer-events: none; }
.sphere-main #globe { flex: 1; max-height: none; min-height: 340px; filter: drop-shadow(0 15px 22px rgb(30 83 119 / 14%)); }
#globe [role=button] { cursor: pointer; }
#globe [role=button]:hover { filter: brightness(1.1); }
#source { position: relative; z-index: 1; margin: 0; padding-top: 10px; border-top: 1px solid #e0eaf2; font-size: 11px; font-variant-numeric: tabular-nums; }
.diagnostics-panel { grid-column: 1; grid-row: 2; }
.orderbooks-panel { grid-column: 4; grid-row: 2/4; }
.pair-panel { grid-column: 1; grid-row: 3; }
.evidence-panel { grid-column: 1/5; grid-row: 5; }
#liquidity-map { grid-column: 1/3; grid-row: 1; }
#paired-depth { grid-column: 3/5; grid-row: 1; }
#observed-timeline { grid-column: 1/4; grid-row: 4; }
#snapshot-events { grid-column: 4; grid-row: 4; }
#observed-timeline svg { max-height: 170px; }
.metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.metric { min-width: 0; padding: 13px; border: 1px solid #e1eaf2; border-radius: 12px; background: #f7fafc; }
.metric span { display: block; min-height: 30px; color: var(--muted); font-size: 10px; line-height: 1.35; }
.metric strong { display: block; margin-top: 5px; color: var(--accent); font-size: clamp(18px, 1.6vw, 24px); font-weight: 800; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.book-grid { display: grid; gap: 13px; }
.book-grid h3 { margin: 3px 0 6px; font-size: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 10px; font-variant-numeric: tabular-nums; }
th, td { padding: 6px 3px; border-bottom: 1px solid #e9eff5; text-align: right; white-space: nowrap; }
th:first-child { text-align: left; }
th { color: var(--muted); font-weight: 750; }
.bid { color: var(--aqe-up-700); }
.ask { color: var(--aqe-down-700); }
.evidence-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 1.5fr) auto; align-items: center; gap: 18px; }
.evidence-panel h2 { grid-column: 1/-1; margin: 0; }
.empty { padding: 14px 16px; border: 1px dashed #c7d7e6; border-radius: 11px; background: #f8fbfd; color: var(--muted); font-size: 12px; line-height: 1.55; }
.evidence-panel ul { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.evidence-panel li { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.4; }
.evidence-panel li::before { margin-right: 8px; color: #a8b8c8; content: '○'; }
#connect { display: inline-flex; align-items: center; justify-content: center; white-space: nowrap; font-size: 12px; font-weight: 750; }
#snapshot-events ul { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
#snapshot-events li { padding: 9px 11px; border: 1px solid #e4ecf3; border-radius: 9px; background: #f9fbfd; color: #4d657b; font: 11px/1.4 ui-monospace, SFMono-Regular, monospace; overflow-wrap: anywhere; }
footer { margin: 20px 0 0; color: var(--muted); font-size: 11px; line-height: 1.7; }
:fullscreen { overflow: auto; background: var(--canvas); }

#observatory-dock { display: none; }
#observatory-more { width: min(460px, calc(100% - 32px)); max-height: 75dvh; overflow: auto; padding: 24px; border: 1px solid var(--line); border-radius: 22px; background: white; color: var(--ink); box-shadow: 0 24px 70px #193b6030; }
#observatory-more::backdrop { background: #14233866; }
#observatory-more h2 { margin: 0 0 16px; font-size: 22px; }
#observatory-more > button { position: absolute; top: 16px; right: 18px; }
.observatory-more-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 32px; }
.observatory-more-grid a { display: grid; place-items: center; min-height: 76px; padding: 14px; border: 1px solid var(--line); border-radius: 14px; background: white; text-align: center; font-weight: 700; }
.observatory-more-grid a:hover { background: #f1f6fb; }

@media (max-width: 1150px) {
  .grid:has(.sphere-main) { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid:has(.sphere-main) > .panel { grid-column: auto; grid-row: auto; }
  .grid:has(.sphere-main) > .sphere-main { grid-column: 1/-1; grid-row: 1; }
  .grid:has(.sphere-main) > .evidence-panel, .grid:has(.sphere-main) > #observed-timeline { grid-column: 1/-1; }
  .grid:has(.sphere-main) > :is(#liquidity-map, #paired-depth, #observed-timeline, #snapshot-events) { grid-row: auto; }
  header nav { gap: 0; }
  header nav a { padding-inline: 9px; }
}
@media (max-width: 800px) {
  main { width: calc(100% - 32px); padding-top: 25px; padding-bottom: calc(105px + env(safe-area-inset-bottom, 0px)); }
  header { min-height: 64px; padding: 10px 16px; flex-wrap: wrap; gap: 10px; }
  header nav { order: 3; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); width: 100%; gap: 7px; }
  header nav a { justify-content: center; min-height: 43px; padding: 8px 4px; border: 1px solid var(--line); border-radius: 10px; background: var(--aqe-n-0); color: var(--ink); text-align: center; font-size: 11px; line-height: 1.2; }
  header nav a:hover { background: var(--aqe-blue-50); color: var(--accent-strong); }
  header > div { gap: 6px; }
  header select, header button { min-height: 40px; padding: 7px 9px; font-size: 12px; }
  .heading { align-items: start; }
  .heading p:not(.eyebrow) { font-size: 13px; }
  .notice { gap: 10px; }
  #observatory-dock { position: fixed; z-index: 40; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; padding: 8px 10px calc(8px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--line); border-radius: 20px 20px 0 0; background: white; box-shadow: 0 -6px 24px #193b6018; }
  #observatory-dock :is(a,button) { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px; min-width: 0; min-height: 60px; padding: 6px 2px; border: 1px solid var(--line); border-radius: 13px; background: white; color: #526476; font: 700 11px 'Avenir Next', 'Trebuchet MS', sans-serif; text-align: center; line-height: 1.2; cursor: pointer; }
  #observatory-dock svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
  #observatory-dock :is([aria-current=location],[aria-expanded=true]) { border-color: var(--accent); background: var(--accent); color: white; }
  #observatory-dock :is(a,button):active { background: #e8f1f8; color: var(--accent); }
  #observatory-dock.keyboard-open { display: none; }
}
@media (max-width: 620px) {
  .heading { display: grid; gap: 14px; }
  .heading #refresh { width: 100%; }
  h1 { font-size: 32px; }
  .notice { align-items: start; flex-wrap: wrap; padding: 13px; }
  .notice > span:nth-child(2) { flex-basis: calc(100% - 120px); line-height: 1.4; }
  .notice button { margin-left: 0; }
  .toolbar { grid-template-columns: 1fr; }
  #observatory-summary { gap: 6px; }
  #observatory-summary > div { display: grid; align-content: center; gap: 7px; min-height: 79px; padding: 10px; }
  #observatory-summary span { font-size: 10px; }
  #observatory-summary strong { font-size: 21px; }
  .grid:has(.sphere-main) { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .grid:has(.sphere-main) > .panel { grid-column: 1; grid-row: auto; padding: 17px; }
  .grid:has(.sphere-main) > .sphere-main { grid-row: 1; }
  .grid:has(.sphere-main) > :is(#liquidity-map, #paired-depth, #observed-timeline, #snapshot-events) { grid-column: 1; grid-row: auto; }
  .sphere-main #globe { min-height: 0; max-height: 280px; }
  .evidence-panel { display: grid; grid-template-columns: 1fr; gap: 12px; }
  .grid:has(.sphere-main) > .evidence-panel { order: 20; }
  .evidence-panel h2 { grid-column: 1; }
  table { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}