:root {
  color-scheme: dark;
  --observatory: #071019;
  --observatory-deep: #04090e;
  --glass: #102431;
  --glass-soft: #0b1a24;
  --evidence: #e8f0f2;
  --muted: #78909b;
  --faint: #718994;
  --amber: #ffb44a;
  --cyan: #5ed3d1;
  --coral: #ff695d;
  --line: rgba(164, 211, 218, .13);
  --line-strong: rgba(164, 211, 218, .27);
  --display: Bahnschrift, "Arial Narrow", sans-serif;
  --body: "Microsoft YaHei UI", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  --utility: "Cascadia Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { min-height: 100%; background: var(--observatory-deep); }
body {
  margin: 0;
  overflow: hidden;
  color: var(--evidence);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}
button, input { color: inherit; font: inherit; }
select { color: inherit; font: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible, a:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 10px 14px; color: var(--observatory); background: var(--amber); transform: translateY(-140%); }
.skip-link:focus { transform: none; }

.observation-station {
  min-width: 960px;
  height: 100vh;
  display: grid;
  grid-template-rows: 52px 74px minmax(0, 1fr);
  overflow: hidden;
  background:
    radial-gradient(circle at 54% 43%, rgba(94, 211, 209, .055), transparent 31%),
    linear-gradient(rgba(94, 211, 209, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(94, 211, 209, .025) 1px, transparent 1px),
    var(--observatory);
  background-size: auto, 44px 44px, 44px 44px, auto;
}

.product-bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(4, 9, 14, .92);
}
.product-bar__back { color: var(--muted); font: 650 9px/1 var(--utility); letter-spacing: .14em; text-decoration: none; }
.product-mark { display: flex; align-items: baseline; gap: 5px; font: 750 17px/1 var(--display); letter-spacing: -.02em; }
.product-mark span { color: var(--evidence); }
.product-mark b { color: var(--amber); }
.product-state { justify-self: end; display: flex; align-items: center; gap: 8px; margin: 0; color: var(--muted); font: 650 8px/1 var(--utility); letter-spacing: .12em; }
.product-state i { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px rgba(94, 211, 209, .75); }

.source-console {
  display: grid;
  grid-template-columns: minmax(340px, 1.4fr) 190px minmax(220px, .85fr) minmax(190px, .65fr);
  border-bottom: 1px solid var(--line-strong);
  background: rgba(7, 16, 25, .88);
}
.source-console > * { min-width: 0; padding: 12px 16px; border-right: 1px solid var(--line); }
.game-search label, .source-readout > span, .sample-readout > span, .demo-action > span {
  display: block; margin-bottom: 8px; color: var(--faint); font: 650 8px/1 var(--utility); letter-spacing: .13em;
}
.game-search__input { display: flex; height: 30px; }
.game-search input { min-width: 0; flex: 1; border: 1px solid var(--line-strong); padding: 0 11px; color: var(--evidence); background: var(--observatory-deep); font-size: 11px; }
.game-search button { border: 0; padding: 0 14px; color: #221503; background: var(--amber); font-size: 10px; font-weight: 750; }
.demo-action { border: 0; border-right: 1px solid var(--line); text-align: left; background: rgba(255, 180, 74, .035); }
.demo-action strong { color: var(--amber); font-size: 11px; }
.source-readout strong, .sample-readout strong { display: block; overflow: hidden; margin-bottom: 4px; font: 720 11px/1.2 var(--display); white-space: nowrap; text-overflow: ellipsis; }
.source-readout small, .sample-readout small { color: var(--muted); font-size: 9px; }

.station-grid { min-height: 0; display: grid; grid-template-columns: 224px minmax(500px, 1fr) 326px; }
.signal-queues, .investigation { min-height: 0; background: rgba(5, 13, 19, .88); }
.signal-queues { display: flex; flex-direction: column; border-right: 1px solid var(--line-strong); }
.signal-queues > header, .investigation > header { position: relative; z-index: 2; padding: 21px 18px 17px; border-bottom: 1px solid var(--line); background: rgba(5, 13, 19, 0.95); }
.signal-queues header > span, .investigation header > span, .lens-header span, .version-rail header span, .method-note span, .investigation footer span {
  color: var(--cyan); font: 650 8px/1 var(--utility); letter-spacing: .13em;
}
.signal-queues h1 { margin: 9px 0 8px; font: 730 27px/.95 var(--display); letter-spacing: -.04em; }
.signal-queues header p { margin: 0; color: var(--muted); font-size: 10px; line-height: 1.65; }
.signal-queues nav { display: grid; }
.signal-queues nav button { position: relative; display: grid; grid-template-columns: 1fr auto; gap: 5px 12px; min-height: 62px; border: 0; border-bottom: 1px solid var(--line); padding: 12px 18px; text-align: left; background: transparent; }
.signal-queues nav button::before { position: absolute; inset: 0 auto 0 0; width: 2px; content: ""; background: transparent; }
.signal-queues nav button:hover, .signal-queues nav button[aria-pressed="true"] { background: rgba(94, 211, 209, .055); }
.signal-queues nav button[aria-pressed="true"]::before { background: var(--amber); }
.signal-queues nav span { font-size: 11px; font-weight: 700; }
.signal-queues nav strong { color: var(--amber); font: 700 11px/1 var(--utility); }
.signal-queues nav small { grid-column: 1 / -1; color: var(--faint); font-size: 8px; }
.method-note { margin-top: auto; padding: 12px 18px; border-top: 1px solid var(--line); }
.method-note p { margin: 8px 0 0; color: var(--muted); font-size: 9px; line-height: 1.6; }
.weight-panel { margin: 0; border: 0; border-top: 1px solid var(--line); padding: 11px 18px 13px; }
.weight-panel legend { padding-top: 10px; color: var(--cyan); font: 650 8px/1 var(--utility); letter-spacing: .11em; }
.weight-panel label { display: grid; grid-template-columns: 60px 1fr 18px; align-items: center; gap: 6px; margin-top: 7px; color: var(--muted); font-size: 8px; }
.weight-panel input { width: 100%; height: 2px; accent-color: var(--amber); }
.weight-panel output { color: var(--amber); font: 600 8px/1 var(--utility); text-align: right; }

.field-column { min-width: 0; min-height: 0; display: grid; grid-template-rows: minmax(340px, 1fr) 156px; }
.signal-lens { min-height: 0; position: relative; display: grid; grid-template-rows: 70px minmax(0, 1fr) 34px; overflow: hidden; border-bottom: 1px solid var(--line-strong); }
.lens-header { z-index: 3; display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--line); background: rgba(7, 16, 25, .72); }
.lens-header h2 { margin: 7px 0 0; font: 710 22px/1 var(--display); letter-spacing: -.035em; }
.view-switch { display: flex; }
.view-switch button { min-width: 58px; height: 27px; border: 1px solid var(--line-strong); color: var(--muted); background: transparent; font-size: 9px; }
.view-switch button + button { border-left: 0; }
.view-switch button[aria-pressed="true"] { color: var(--observatory); background: var(--cyan); }
.lens-stage { position: relative; min-height: 0; overflow: hidden; }
.lens-stage::before, .lens-stage::after { position: absolute; top: 50%; left: 50%; border: 1px solid rgba(94, 211, 209, .08); border-radius: 50%; content: ""; transform: translate(-50%, -50%); pointer-events: none; }
.lens-stage::before { width: min(46vw, 620px); aspect-ratio: 1; }
.lens-stage::after { width: min(29vw, 390px); aspect-ratio: 1; }
[data-signal-canvas] { position: absolute; inset: 0; width: 100%; height: 100%; }
.lens-empty { position: absolute; top: 50%; left: 50%; display: grid; place-items: center; width: 210px; color: var(--muted); text-align: center; transform: translate(-50%, -50%); }
.lens-empty i { width: 58px; height: 58px; margin-bottom: 16px; border: 1px solid var(--line-strong); border-radius: 50%; box-shadow: inset 0 0 30px rgba(94, 211, 209, .08); }
.lens-empty strong { color: var(--evidence); font-size: 12px; }
.lens-empty span { margin-top: 7px; font-size: 9px; }
.analysis-progress { position: absolute; right: 18px; bottom: 15px; left: 18px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 12px; }
.analysis-progress::before { grid-column: 1; width: 100%; height: 1px; content: ""; background: var(--line-strong); }
.analysis-progress i { position: absolute; left: 0; width: 0; height: 1px; background: var(--amber); box-shadow: 0 0 10px rgba(255, 180, 74, .6); transition: width .25s ease; }
.analysis-progress span { grid-column: 2; grid-row: 1; color: var(--muted); font: 650 8px/1 var(--utility); letter-spacing: .08em; }
.encoding-legend { display: flex; align-items: center; gap: 22px; padding: 0 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 8px; }
.encoding-legend span { display: flex; align-items: center; gap: 7px; }
.encoding-legend i { display: inline-block; width: 9px; height: 9px; border: 1px solid var(--cyan); border-radius: 50%; }
.legend-light { background: var(--cyan); box-shadow: 0 0 8px rgba(94, 211, 209, .8); }
.legend-pulse { outline: 1px solid rgba(255, 180, 74, .5); outline-offset: 3px; }
.signal-table { position: absolute; z-index: 4; inset: 70px 0 34px; overflow: auto; padding: 18px; background: rgba(7, 16, 25, .98); }
.signal-table table { width: 100%; border-collapse: collapse; font-size: 10px; }
.signal-table th, .signal-table td { padding: 12px 10px; border-bottom: 1px solid var(--line); text-align: left; }
.signal-table th { color: var(--muted); font: 650 8px/1 var(--utility); letter-spacing: .08em; }
.signal-table td button { border: 0; padding: 0; color: var(--evidence); background: transparent; font-weight: 700; text-align: left; }
.signal-table td button:hover, .signal-table td button[aria-pressed="true"] { color: var(--amber); }
.signal-table [data-work-state="investigate"] { color: var(--coral); }
.signal-table [data-work-state="validate"] { color: var(--amber); }
.signal-table [data-work-state="observe"] { color: var(--cyan); }

.version-rail { display: grid; grid-template-columns: 190px 1fr; min-height: 0; background: rgba(5, 13, 19, .72); }
.version-rail header { padding: 20px 18px; border-right: 1px solid var(--line); }
.version-rail h2 { margin: 9px 0 0; font: 700 17px/1 var(--display); }
.version-rail__content { min-width: 0; overflow: hidden; display: grid; grid-template-columns: 1fr auto; align-content: center; gap: 8px 24px; padding: 14px 18px; }
.version-rail__content p { margin: 0; color: var(--muted); font-size: 10px; line-height: 1.6; }
.version-rail__content strong { align-self: center; color: var(--amber); font-size: 9px; font-weight: 650; }
.comparison-list { grid-column: 1 / -1; min-width: 0; display: grid; grid-template-columns: repeat(3, minmax(150px, 1fr)); gap: 8px; }
.comparison-card { display: grid; grid-template-columns: 1fr 12px 1fr; gap: 5px; padding: 9px 10px; border: 1px solid var(--line); background: rgba(16, 36, 49, .28); }
.comparison-card header, .comparison-card footer { grid-column: 1 / -1; display: flex; justify-content: space-between; }
.comparison-card header strong { overflow: hidden; color: var(--evidence); font-size: 9px; white-space: nowrap; text-overflow: ellipsis; }
.comparison-card header span, .comparison-card div span, .comparison-card div small { color: var(--faint); font: 600 7px/1 var(--utility); }
.comparison-card div { display: grid; gap: 3px; }
.comparison-card div b { font: 700 13px/1 var(--display); }
.comparison-card > i { align-self: center; color: var(--faint); font-style: normal; }
.comparison-card footer { color: var(--amber); font-size: 8px; }
.causality-note { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: 8px; }

.investigation { display: flex; flex-direction: column; border-left: 1px solid var(--line-strong); }
.investigation h2 { margin: 9px 0 0; font: 710 20px/1 var(--display); }
.investigation-empty { margin: auto 0; padding: 28px 22px; }
.investigation-empty > span { color: var(--amber); font: 650 8px/1 var(--utility); letter-spacing: .12em; }
.investigation-empty strong { display: block; max-width: 12em; margin-top: 12px; font: 720 24px/1.02 var(--display); letter-spacing: -.03em; }
.investigation-empty p { max-width: 25em; margin: 15px 0 0; color: var(--muted); font-size: 10px; line-height: 1.7; }
.investigation-content { min-height: 0; flex: 1; overflow: auto; padding: 18px; }
.topic-brief__category { margin: 0 0 8px; color: var(--amber); font: 650 8px/1 var(--utility); letter-spacing: .1em; text-transform: uppercase; }
.topic-brief h3 { margin: 0 0 18px; font: 720 24px/1 var(--display); letter-spacing: -.035em; }
.fact-block, .inference-block, .evidence-block, .unknown-block, .correction-tools { padding: 14px 0; border-top: 1px solid var(--line); }
.fact-block > span, .inference-block > span, .evidence-block > span, .unknown-block > span, .correction-tools > span { display: block; margin-bottom: 10px; color: var(--cyan); font: 650 8px/1 var(--utility); letter-spacing: .12em; }
.fact-block dl { margin: 0; }
.fact-block dl div { display: flex; justify-content: space-between; gap: 12px; padding: 5px 0; }
.fact-block dt { color: var(--muted); font-size: 9px; }
.fact-block dd { margin: 0; font: 650 9px/1 var(--utility); }
.inference-block p { margin: 0 0 7px; font-size: 11px; line-height: 1.55; }
.inference-block small { color: var(--muted); font-size: 8px; line-height: 1.5; }
.evidence-quote { margin: 0 0 8px; padding: 10px; background: rgba(16, 36, 49, .52); border-left: 2px solid var(--coral); }
.evidence-block--counter .evidence-quote { border-left-color: var(--cyan); }
.evidence-quote p { margin: 0; color: #c8d5d9; font-size: 9px; line-height: 1.6; }
.evidence-quote footer { display: flex; gap: 7px; margin-top: 8px; color: var(--faint); font: 600 7px/1 var(--utility); }
.evidence-quote code { margin-left: auto; color: var(--muted); }
.evidence-empty { color: var(--faint); font-size: 9px; }
.unknown-block ul { margin: 0; padding-left: 16px; color: var(--muted); font-size: 9px; line-height: 1.6; }
.correction-tools { display: flex; flex-wrap: wrap; gap: 6px; }
.correction-tools > span { width: 100%; }
.correction-tools button { border: 1px solid var(--line-strong); padding: 7px 9px; color: var(--muted); background: transparent; font-size: 8px; }
.export-action { display: flex; justify-content: space-between; align-items: center; margin: 0 18px 14px; border: 1px solid var(--line-strong); padding: 13px 14px; text-align: left; background: transparent; }
.export-action span { color: var(--faint); font: 600 7px/1 var(--utility); }
.export-action strong { color: var(--amber); font-size: 10px; }
.export-action:disabled { cursor: not-allowed; opacity: .38; }
.investigation > footer { padding: 15px 18px; border-top: 1px solid var(--line); }
.investigation footer p { margin: 7px 0 0; color: var(--muted); font-size: 8px; line-height: 1.55; }

/* Refinement pass: evidence workspace hierarchy */
.observation-station { grid-template-rows: 52px 116px minmax(0, 1fr); }
.product-bar { padding-inline: 22px; }
.product-bar__back { font-size: 10px; }
.product-state { font-size: 9px; }

.source-console {
  grid-template-columns: minmax(350px, 1.05fr) 188px 224px minmax(460px, 1.4fr);
  position: relative;
  z-index: 12;
}
.source-console > * { padding: 14px 16px; }
.connector-panel { position: relative; min-width: 0; border-right: 1px solid var(--line); }
.connector-panel__label { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.connector-panel__label span,
.source-readout > span,
.sample-ledger__head > span,
.demo-action > span { color: var(--faint); font: 650 9px/1 var(--utility); letter-spacing: .12em; }
.connector-panel__label strong { overflow: hidden; color: var(--cyan); font-size: 10px; font-weight: 650; white-space: nowrap; text-overflow: ellipsis; }
.game-search__input { height: 36px; }
.game-search input { padding-inline: 12px; font-size: 12px; }
.game-search input:disabled { cursor: not-allowed; opacity: .55; }
.game-search button { min-width: 58px; font-size: 11px; }
.game-search button:disabled { cursor: not-allowed; color: var(--muted); background: var(--glass-soft); }
.review-language { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 10px; color: var(--faint); font: 650 8px/1 var(--utility); letter-spacing: .08em; }
.review-language select { min-width: 190px; border: 1px solid var(--line-strong); padding: 6px 8px; color: var(--evidence); background: var(--observatory-deep); font-size: 9px; letter-spacing: 0; }
.offline-case-select { width: calc(100% - 32px); margin: 0 16px 12px; border: 1px solid var(--line-strong); padding: 8px; color: var(--evidence); background: var(--observatory-deep); font-size: 9px; }
.game-results { position: absolute; z-index: 30; top: calc(100% - 6px); right: 12px; left: 12px; max-height: 260px; overflow: auto; border: 1px solid var(--line-strong); background: rgba(4, 9, 14, .98); box-shadow: 0 18px 44px rgba(0, 0, 0, .45); }
.game-results button { width: 100%; display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; border: 0; border-bottom: 1px solid var(--line); padding: 11px 12px; text-align: left; background: transparent; }
.game-results button:hover,
.game-results button[aria-selected="true"] { background: rgba(94, 211, 209, .08); }
.game-results strong { font-size: 12px; }
.game-results small { grid-column: 1; color: var(--muted); font-size: 9px; }
.game-results code { grid-column: 2; grid-row: 1 / 3; align-self: center; color: var(--amber); font: 600 9px/1 var(--utility); }
.demo-action { display: flex; flex-direction: column; justify-content: center; padding-inline: 18px; }
.demo-action span { margin-bottom: 12px; }
.demo-action strong { color: var(--amber); font-size: 12px; line-height: 1.35; }
.source-readout { display: flex; flex-direction: column; justify-content: center; }
.source-readout > span { margin-bottom: 10px; }
.source-readout strong { margin-bottom: 7px; font-size: 13px; }
.source-readout small { font-size: 10px; line-height: 1.4; }

.sample-ledger { min-width: 0; border-right: 0; }
.sample-ledger__head { display: flex; justify-content: space-between; align-items: baseline; gap: 14px; }
.sample-ledger__head strong { overflow: hidden; color: var(--evidence); font: 720 12px/1 var(--display); white-space: nowrap; text-overflow: ellipsis; }
.sample-ledger__counts { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; margin-top: 10px; }
.sample-ledger__counts span { min-width: 0; color: var(--faint); font-size: 9px; white-space: nowrap; }
.sample-ledger__counts b { display: block; overflow: hidden; margin-bottom: 3px; color: var(--evidence); font: 700 12px/1 var(--utility); text-overflow: ellipsis; }
.coverage-meter { display: grid; grid-template-columns: auto minmax(70px, 1fr) auto; align-items: center; gap: 9px; margin-top: 10px; color: var(--muted); font-size: 9px; }
.coverage-meter > i { height: 3px; overflow: hidden; background: rgba(120, 144, 155, .2); }
.coverage-meter > i > b { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--amber), var(--cyan)); transition: width .35s ease; }
.coverage-meter > strong { color: var(--cyan); font: 650 9px/1 var(--utility); }
.exclusion-details { position: relative; margin-top: 8px; color: var(--faint); font-size: 9px; }
.exclusion-details summary { cursor: pointer; list-style-position: inside; }
.exclusion-details > div { position: absolute; z-index: 25; top: calc(100% + 9px); right: 0; width: min(380px, 90vw); border: 1px solid var(--line-strong); padding: 12px; color: var(--muted); background: rgba(4, 9, 14, .98); box-shadow: 0 16px 38px rgba(0, 0, 0, .45); line-height: 1.6; }

.station-grid { grid-template-columns: 238px minmax(560px, 1fr) 352px; }
.signal-queues > header,
.investigation > header { padding: 20px 20px 17px; }
.signal-queues header > span,
.investigation header > span,
.lens-header span,
.version-rail header span,
.method-note span,
.investigation footer span { font-size: 9px; }
.signal-queues h1 { font-size: 29px; line-height: 1; }
.signal-queues header p { font-size: 11px; line-height: 1.6; }
.signal-queues nav { overflow: auto; overscroll-behavior: contain; }
.signal-queues nav button { min-height: 58px; padding: 11px 20px; }
.signal-queues nav span { font-size: 12px; }
.signal-queues nav strong { font-size: 12px; }
.signal-queues nav small { font-size: 9px; line-height: 1.35; }
.method-note { padding-inline: 20px; }
.method-note p { font-size: 10px; line-height: 1.55; }
.weight-panel { padding-inline: 20px; }
.weight-panel legend { font-size: 9px; }
.weight-panel label { grid-template-columns: 66px 1fr 22px; font-size: 9px; }
.weight-panel output { font-size: 9px; }

.field-column { grid-template-rows: minmax(350px, 1fr) 164px; }
.signal-lens { grid-template-rows: 76px minmax(0, 1fr) 38px; }
.lens-header { padding: 14px 20px; }
.lens-header h2 { margin-top: 8px; font-size: 24px; }
.lens-header small { display: block; margin-top: 6px; color: var(--muted); font-size: 10px; }
.view-switch button { min-width: 62px; height: 30px; font-size: 10px; }
[data-signal-canvas]:focus-visible { outline: 2px solid var(--amber); outline-offset: -3px; }
.filter-empty { position: absolute; z-index: 6; inset: 0; display: grid; place-content: center; justify-items: center; padding: 28px; text-align: center; background: radial-gradient(circle, rgba(16, 36, 49, .76), rgba(7, 16, 25, .96) 66%); }
.filter-empty > span { color: var(--amber); font: 650 9px/1 var(--utility); letter-spacing: .12em; }
.filter-empty strong { margin-top: 13px; font: 720 22px/1.1 var(--display); }
.filter-empty p { max-width: 38em; margin: 10px 0 17px; color: var(--muted); font-size: 11px; line-height: 1.6; }
.filter-empty button { border: 1px solid var(--line-strong); padding: 9px 14px; color: var(--cyan); background: rgba(94, 211, 209, .06); font-size: 10px; }
.unclassified-view { position: absolute; z-index: 6; inset: 0; overflow: auto; padding: 18px 20px 24px; background: rgba(7, 16, 25, .97); overscroll-behavior: contain; }
.unclassified-view > header { position: sticky; z-index: 2; top: -18px; display: flex; justify-content: space-between; gap: 16px; margin: -18px -20px 12px; padding: 16px 20px 13px; border-bottom: 1px solid var(--line); background: rgba(7, 16, 25, .96); }
.unclassified-view > header span { color: var(--cyan); font: 650 9px/1 var(--utility); letter-spacing: .12em; }
.unclassified-view > header strong { color: var(--amber); font-size: 10px; }
.unclassified-item { padding: 12px 13px; border: 1px solid var(--line); border-left: 2px solid var(--amber); background: rgba(16, 36, 49, .28); }
.unclassified-item + .unclassified-item { margin-top: 8px; }
.unclassified-item p { margin: 0; color: #c8d5d9; font-size: 11px; line-height: 1.65; }
.unclassified-item footer { display: flex; gap: 10px; margin-top: 9px; color: var(--faint); font: 600 8px/1 var(--utility); }
.unclassified-item code { margin-left: auto; color: var(--muted); }
.encoding-legend { gap: 24px; padding-inline: 20px; font-size: 9px; }
.signal-table { inset: 76px 0 38px; padding: 20px; }
.signal-table table { font-size: 11px; }
.signal-table th { font-size: 9px; }
.signal-table td button { display: grid; gap: 3px; }
.signal-table td button strong { font-size: 11px; }
.signal-table td button small { color: var(--faint); font-size: 9px; font-weight: 500; }

.version-rail { grid-template-columns: 190px 1fr; }
.version-rail header { padding: 22px 20px; }
.version-rail h2 { font-size: 19px; }
.version-rail__content { padding: 14px 20px; }
.version-rail__content p { font-size: 10px; }
.comparison-card { padding: 10px 11px; }
.comparison-card header strong { font-size: 10px; }
.comparison-card header { gap: 8px; }
.comparison-card header strong { min-width: 0; flex: 1; }
.comparison-card header span { flex: none; }
.comparison-card header span,
.comparison-card div span,
.comparison-card div small { font-size: 8px; }
.comparison-card footer { font-size: 9px; line-height: 1.35; }
.comparison-card--coverage { grid-template-columns: 1fr; align-content: center; }
.comparison-card--coverage p,
.version-empty { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: 10px; line-height: 1.55; }
.causality-note { font-size: 9px; }

.investigation h2 { font-size: 22px; }
.investigation-content { padding: 20px; overscroll-behavior: contain; }
.topic-brief__category { font-size: 9px; }
.topic-brief h3 { margin-bottom: 5px; font-size: 28px; }
.topic-brief__secondary { margin: 0 0 18px; color: var(--muted); font-size: 13px; line-height: 1.35; }
.fact-block,
.inference-block,
.evidence-block,
.unknown-block,
.correction-tools { padding-block: 16px; }
.fact-block > span,
.inference-block > span,
.evidence-block > span,
.unknown-block > span,
.correction-tools > span { font-size: 9px; }
.fact-block dt,
.fact-block dd { font-size: 10px; }
.inference-block p { font-size: 12px; line-height: 1.6; }
.inference-block small { font-size: 9px; }
.evidence-quote { padding: 12px; }
.evidence-quote p { font-size: 10.5px; line-height: 1.65; }
.evidence-quote footer { font-size: 8px; }
.unknown-block ul { font-size: 10px; line-height: 1.65; }
.correction-tools button { padding: 8px 10px; font-size: 9px; }
.export-action { margin-inline: 20px; }
.export-action span { font-size: 8px; }
.export-action strong { font-size: 11px; }
.investigation > footer { padding-inline: 20px; }
.investigation footer p { font-size: 9px; }

.correction-dialog { width: min(520px, calc(100vw - 48px)); border: 1px solid var(--line-strong); padding: 0; color: var(--evidence); background: #09141d; box-shadow: 0 28px 90px rgba(0, 0, 0, .72); }
.correction-dialog::backdrop { background: rgba(2, 6, 10, .76); backdrop-filter: blur(8px); }
.correction-dialog form { display: grid; gap: 18px; padding: 24px; }
.correction-dialog header span { color: var(--cyan); font: 650 9px/1 var(--utility); letter-spacing: .13em; }
.correction-dialog h2 { margin: 10px 0 8px; font: 720 25px/1 var(--display); }
.correction-dialog header p,
.correction-preview,
.correction-error { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.6; }
.correction-dialog label { display: grid; gap: 8px; color: var(--muted); font-size: 10px; }
.correction-dialog input,
.correction-dialog select { width: 100%; border: 1px solid var(--line-strong); padding: 10px 11px; color: var(--evidence); background: var(--observatory-deep); font-size: 12px; }
.correction-error:not(:empty) { color: var(--coral); }
.correction-dialog footer { display: flex; justify-content: flex-end; gap: 8px; padding-top: 4px; }
.correction-dialog footer button { border: 1px solid var(--line-strong); padding: 9px 14px; background: transparent; font-size: 10px; }
.correction-dialog footer button[type="submit"] { border-color: var(--amber); color: var(--observatory-deep); background: var(--amber); font-weight: 750; }

.desktop-notice { display: none; }
noscript { display: block; padding: 24px; color: var(--evidence); background: var(--observatory); }

@media (max-width: 1180px) {
  .station-grid { grid-template-columns: 215px minmax(500px, 1fr) 310px; }
  .source-console { grid-template-columns: minmax(315px, 1fr) 165px 200px minmax(380px, 1.3fr); }
  .signal-queues h1 { font-size: 23px; }
}

@media (max-width: 959px) {
  body { overflow: hidden; }
  #player-signal-root { display: none; }
  .desktop-notice { min-height: 100vh; display: grid; place-content: center; gap: 12px; padding: 36px; text-align: center; background: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px), var(--observatory-deep); background-size: 48px 48px; }
  .desktop-notice strong { font: 720 26px/1 var(--display); }
  .desktop-notice span { color: var(--muted); font-size: 12px; }
}

@media (max-height: 800px) and (min-width: 960px) {
  .observation-station { grid-template-rows: 52px auto minmax(0, 1fr); }
  .source-console > * { padding-block: 11px; }
  .connector-panel__label { margin-bottom: 8px; }
  .sample-ledger__counts { margin-top: 8px; }
  .coverage-meter { margin-top: 8px; }
  .exclusion-details { margin-top: 6px; }
  .signal-queues > header { padding-block: 16px 13px; position: relative; z-index: 2; background: rgba(5, 13, 19, 0.95); }
  .signal-queues h1 { margin-block: 7px 6px; font-size: 26px; }
  .signal-queues nav button { min-height: 47px; padding-block: 8px; }
  .method-note { padding-block: 9px; }
  .method-note p { margin-top: 6px; }
  .weight-panel { padding-block: 8px 10px; }
  .weight-panel legend { padding-top: 7px; }
  .weight-panel label { margin-top: 5px; }
  .field-column { grid-template-rows: minmax(330px, 1fr) 156px; }
}

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



/* Progress bar and UI layout enhancements */
.product-bar {
  display: grid;
  grid-template-columns: 140px 180px minmax(200px, 1fr) 140px;
  align-items: center;
  gap: 16px;
}
.product-bar__center {
  display: flex;
  justify-content: center;
  align-items: center;
}
.live-progress {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(94, 211, 209, 0.08);
  border: 1px solid rgba(94, 211, 209, 0.2);
  padding: 4px 14px;
  border-radius: 999px;
}
.live-progress__text {
  font-size: 11px;
  color: var(--cyan);
  font-family: var(--utility);
}
.live-progress__track {
  width: 90px;
  height: 5px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
}
.live-progress__bar {
  display: block;
  height: 100%;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(94, 211, 209, 0.8);
  transition: width 0.18s ease-out;
}

.demo-select-container {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px 14px;
  border-right: 1px solid var(--line);
}
.demo-select-container .demo-action {
  border: none;
  background: transparent;
  padding: 0;
  cursor: pointer;
  text-align: left;
}
.offline-case-select {
  background: #04090e;
  border: 1px solid rgba(164, 211, 218, 0.25);
  color: var(--cyan);
  padding: 4px 8px;
  font-size: 11px;
  font-family: var(--body);
  border-radius: 4px;
  outline: none;
  cursor: pointer;
}
.offline-case-select:focus {
  border-color: var(--amber);
}

.signal-canvas {
  width: 100%;
  height: 100%;
  display: block;
}