/* Public Water Record Instrument — U5 frontend.
   One stylesheet, no build step. Light and dark via tokens. */

:root {
  color-scheme: light dark;

  --paper: #f6f4ef;
  --panel: #fdfcfa;
  --panel-sunken: #efece5;
  --ink: #1d2126;
  --ink-soft: #4c545c;
  --ink-faint: #7b838b;
  --rule: #ddd7cc;
  --rule-strong: #b9b1a2;
  --accent: #33586b;
  --accent-ink: #fdfcfa;
  --link: #2c5a74;

  --tier-a: #2f6b4f;
  --tier-b: #3c6d8c;
  --tier-c: #a8742a;
  --tier-d: #8a5f52;
  --tier-f: #5a5e66;
  --tier-badge-ink: #fdfcfa;

  --kind-measurement: #2f6b4f;
  --kind-statistic-bg: #efe7d4;
  --kind-statistic-edge: #a8742a;
  --kind-model-edge: #6a5f8a;
  --kind-model-bg: #ece9f2;
  --kind-blank-edge: #b9b1a2;

  --stale: #a8742a;
  --unresolved: #8a4a3b;
  --loud: #8a4a3b;
  --loud-bg: #f4e3dd;

  --mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  --serif: "Iowan Old Style", "Palatino", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #16181c;
    --panel: #1e2126;
    --panel-sunken: #101215;
    --ink: #e6e2d9;
    --ink-soft: #aeb4ba;
    --ink-faint: #7c828a;
    --rule: #32363d;
    --rule-strong: #4a505a;
    --accent: #7fa8bd;
    --accent-ink: #14161a;
    --link: #8db8cc;

    --tier-a: #59a37e;
    --tier-b: #6b9fc0;
    --tier-c: #c99b4e;
    --tier-d: #b08573;
    --tier-f: #878c96;
    --tier-badge-ink: #14161a;

    --kind-measurement: #59a37e;
    --kind-statistic-bg: #2a2620;
    --kind-statistic-edge: #c99b4e;
    --kind-model-edge: #9a8fc0;
    --kind-model-bg: #232030;
    --kind-blank-edge: #4a505a;

    --stale: #c99b4e;
    --unresolved: #cc8570;
    --loud: #cc8570;
    --loud-bg: #322119;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.45;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------------------------------------------------------- banner ----- */

#synthetic-banner {
  background: repeating-linear-gradient(-45deg,
      var(--loud-bg), var(--loud-bg) 14px,
      transparent 14px, transparent 28px);
  border-bottom: 1px solid var(--loud);
  color: var(--loud);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 24px;
  text-align: center;
}

/* ---------------------------------------------------------- header ----- */

#app-header {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding: 16px 28px 12px;
  border-bottom: 1px solid var(--rule-strong);
}

.masthead {
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.masthead a { color: var(--ink); }

.masthead .instrument { color: var(--ink-faint); }

nav.screens {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-left: auto;
}
nav.screens a {
  color: var(--ink-soft);
  font-size: 13px;
  padding: 4px 10px;
  border-radius: 3px;
}
nav.screens a.active {
  background: var(--accent);
  color: var(--accent-ink);
}
nav.screens a:hover { text-decoration: none; background: var(--panel-sunken); }
nav.screens a.active:hover { background: var(--accent); }

.mode-flag {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  border: 1px solid var(--rule-strong);
  border-radius: 3px;
  padding: 3px 8px;
}
.mode-flag.room { border-color: var(--accent); color: var(--accent); }

/* ---------------------------------------------------------- layout ----- */

#app-main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 28px 80px;
}

#app-footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px 28px 40px;
  font-size: 12px;
  color: var(--ink-faint);
  border-top: 1px solid var(--rule);
}

h1.screen-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 30px;
  margin: 0 0 4px;
}
.screen-sub {
  color: var(--ink-soft);
  margin: 0 0 26px;
  max-width: 66ch;
}
h2.section {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 20px;
  margin: 34px 0 10px;
}
.section-note { color: var(--ink-soft); font-size: 13px; margin: -4px 0 14px; max-width: 70ch; }

.boot-note { color: var(--ink-faint); padding: 40px 0; }

.error-card {
  border: 1px solid var(--loud);
  background: var(--loud-bg);
  color: var(--loud);
  border-radius: 4px;
  padding: 14px 18px;
  margin: 12px 0;
  font-size: 14px;
}

/* ------------------------------------------------------ record rows ---- */

.record-table { border-top: 1px solid var(--rule-strong); }

.record-row {
  display: grid;
  grid-template-columns: 190px 1fr 120px;
  gap: 18px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--rule);
  align-items: start;
}
@media (max-width: 760px) {
  .record-row { grid-template-columns: 1fr; gap: 8px; }
}

.param-name {
  font-weight: 600;
  font-size: 15px;
}
.param-name .param-sub {
  display: block;
  font-weight: 400;
  font-size: 12px;
  color: var(--ink-faint);
  margin-top: 2px;
}

.row-grade { justify-self: end; text-align: right; }
@media (max-width: 760px) { .row-grade { justify-self: start; text-align: left; } }

/* answer cell — the four kinds must read differently at a glance */

.answer { border-radius: 3px; padding: 10px 14px; }

.kind-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.answer.measurement {
  border-left: 4px solid var(--kind-measurement);
  background: var(--panel);
}
.answer.measurement .kind-tag { color: var(--kind-measurement); }

.answer.statistic {
  border-left: 4px double var(--kind-statistic-edge);
  border-left-style: double;
  background: var(--kind-statistic-bg);
}
.answer.statistic .kind-tag { color: var(--kind-statistic-edge); }

.answer.model {
  border: 1px dashed var(--kind-model-edge);
  background: var(--kind-model-bg);
}
.answer.model .kind-tag { color: var(--kind-model-edge); }

.answer.attribute {
  border-left: 4px solid var(--accent);
  background: var(--panel);
}
.answer.attribute .kind-tag { color: var(--accent); }

.answer.blank {
  border: 1px dotted var(--kind-blank-edge);
  background: transparent;
}
.answer.blank .kind-tag { color: var(--ink-faint); }

.answer-value {
  font-size: 20px;
  font-variant-numeric: tabular-nums;
}
.answer-value .unit { font-size: 14px; color: var(--ink-soft); margin-left: 4px; }

.attribute-token {
  display: inline-block;
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border: 1px solid var(--rule-strong);
  border-radius: 3px;
  background: var(--panel-sunken);
}

.population-line {
  margin-top: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--kind-statistic-edge);
}

.provenance-line {
  margin-top: 6px;
  font-size: 12px;
  color: var(--ink-faint);
}
.provenance-line a { color: inherit; text-decoration: underline; }

.blank-title { font-size: 15px; color: var(--ink-soft); font-style: italic; }
.blank-why { margin-top: 4px; font-size: 13px; color: var(--ink-faint); max-width: 56ch; }

/* probability band (MODEL_OUTPUT) */

.prob-band { margin-top: 4px; }
.prob-band .band-label {
  font-size: 18px;
  font-variant-numeric: tabular-nums;
}
.band-track {
  position: relative;
  height: 10px;
  margin-top: 8px;
  border-radius: 5px;
  background: var(--panel-sunken);
  border: 1px solid var(--rule);
  max-width: 340px;
}
.band-fill {
  position: absolute;
  top: 0; bottom: 0;
  border-radius: 5px;
  background: var(--kind-model-edge);
  opacity: 0.75;
}
.band-scale {
  display: flex;
  justify-content: space-between;
  max-width: 340px;
  font-size: 10px;
  color: var(--ink-faint);
  margin-top: 2px;
}

/* grade badges */

.grade-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 600;
  color: var(--tier-badge-ink);
}
.grade-badge.tier-A { background: var(--tier-a); }
.grade-badge.tier-B { background: var(--tier-b); }
.grade-badge.tier-C { background: var(--tier-c); }
.grade-badge.tier-D { background: var(--tier-d); }
.grade-badge.tier-F { background: var(--tier-f); }
.grade-badge.tier-none {
  background: transparent;
  border: 1px dotted var(--rule-strong);
  color: var(--ink-faint);
  font-size: 14px;
}

.grade-chips { margin-top: 6px; display: flex; gap: 4px; justify-content: flex-end; flex-wrap: wrap; }
@media (max-width: 760px) { .grade-chips { justify-content: flex-start; } }
.chip {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 3px;
  padding: 2px 6px;
}
.chip.stale { background: transparent; border: 1px solid var(--stale); color: var(--stale); }
.chip.unresolved { background: transparent; border: 1px solid var(--unresolved); color: var(--unresolved); }
.chip.resolved { background: transparent; border: 1px solid var(--rule-strong); color: var(--ink-faint); }

/* address header block */

.address-head {
  display: flex;
  gap: 20px;
  align-items: baseline;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.address-head .addr { font-family: var(--serif); font-size: 24px; }
.source-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 3px;
  border: 1px solid var(--rule-strong);
  color: var(--ink-soft);
}
.source-tag.well { border-color: var(--tier-d); color: var(--tier-d); }

.awareness-link { font-size: 13px; margin-top: 22px; }

/* candidate chooser (AMBIGUOUS) */

.candidates {
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  background: var(--panel);
  padding: 18px 20px;
  margin: 16px 0;
  max-width: 640px;
}
.candidate {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
}
.candidate:last-child { border-bottom: none; }
.candidate .containment { font-variant-numeric: tabular-nums; color: var(--ink-soft); font-size: 13px; }
.candidate button {
  font: inherit; font-size: 13px;
  background: var(--accent); color: var(--accent-ink);
  border: none; border-radius: 3px; padding: 5px 12px; cursor: pointer;
}

/* ------------------------------------------------------- provenance ---- */

.prov-card {
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  background: var(--panel);
  padding: 20px 24px;
  margin: 14px 0;
}
.prov-grid {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 8px 18px;
  font-size: 14px;
  margin-top: 12px;
}
.prov-grid dt { color: var(--ink-faint); }
.prov-grid dd { margin: 0; font-family: var(--mono); font-size: 13px; overflow-wrap: anywhere; }

.describes {
  border-left: 3px solid var(--accent);
  padding: 4px 0 4px 16px;
  margin: 18px 0 4px;
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.55;
  max-width: 62ch;
}
.describes .does-not { color: var(--unresolved); }

/* -------------------------------------------------------- grade map ---- */

.headline-band {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--rule-strong);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  overflow: hidden;
  margin: 18px 0 8px;
}
.headline-cell { background: var(--panel); padding: 16px 16px 14px; }
.headline-cell .big {
  font-family: var(--serif);
  font-size: 34px;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  color: var(--unresolved);
}
.headline-cell .param { font-size: 12px; font-weight: 600; margin-top: 6px; }
.headline-cell .what { font-size: 11px; color: var(--ink-faint); margin-top: 2px; }

.dist-row {
  display: grid;
  grid-template-columns: 190px 1fr 110px;
  gap: 18px;
  align-items: center;
  padding: 12px 4px;
  border-bottom: 1px solid var(--rule);
}
@media (max-width: 760px) { .dist-row { grid-template-columns: 1fr; gap: 6px; } }

.dist-bar {
  display: flex;
  height: 26px;
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid var(--rule-strong);
}
.dist-seg { height: 100%; position: relative; }
.dist-seg.tier-A { background: var(--tier-a); }
.dist-seg.tier-B { background: var(--tier-b); }
.dist-seg.tier-C { background: var(--tier-c); }
.dist-seg.tier-D { background: var(--tier-d); }
.dist-seg.tier-F {
  background: repeating-linear-gradient(-45deg,
    var(--tier-f), var(--tier-f) 6px, var(--panel-sunken) 6px, var(--panel-sunken) 8px);
}
.dist-seg .seg-label {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; color: var(--tier-badge-ink);
}
.dist-cworse { font-variant-numeric: tabular-nums; font-size: 13px; color: var(--ink-soft); text-align: right; }
@media (max-width: 760px) { .dist-cworse { text-align: left; } }

.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--ink-soft); margin: 10px 0 0; }
.legend .key { display: inline-block; width: 12px; height: 12px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }

.dark-region {
  margin-top: 26px;
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  padding: 18px 22px;
  background:
    repeating-linear-gradient(-45deg,
      var(--panel-sunken), var(--panel-sunken) 8px,
      var(--paper) 8px, var(--paper) 16px);
}
.dark-region .big {
  font-family: var(--serif);
  font-size: 30px;
  font-variant-numeric: tabular-nums;
}

.repro-note {
  margin-top: 22px;
  font-size: 12px;
  color: var(--ink-faint);
  border-top: 1px solid var(--rule);
  padding-top: 10px;
}

/* --------------------------------------------------------- decision ---- */

.spec-block {
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  background: var(--panel);
  padding: 18px 22px;
  margin: 14px 0;
}
.spec-line {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 14px;
  padding: 8px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 14px;
  align-items: baseline;
}
.spec-line:last-child { border-bottom: none; }
.spec-line .pinned { color: var(--tier-a); font-weight: 600; }
.spec-line .blocked { color: var(--unresolved); font-weight: 600; }

.rec-panel {
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  overflow: hidden;
  margin: 16px 0;
}
.rec-head {
  background: var(--panel-sunken);
  padding: 12px 20px;
  font-weight: 600;
  border-bottom: 1px solid var(--rule-strong);
}
.rec-cols { display: grid; grid-template-columns: 1fr 1fr; }
@media (max-width: 760px) { .rec-cols { grid-template-columns: 1fr; } }
.rec-col { padding: 16px 20px; }
.rec-col + .rec-col { border-left: 1px solid var(--rule); }
@media (max-width: 760px) { .rec-col + .rec-col { border-left: none; border-top: 1px solid var(--rule); } }
.rec-col h3 {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.rec-item { padding: 7px 0; border-bottom: 1px solid var(--rule); font-size: 14px; }
.rec-item:last-child { border-bottom: none; }
.rec-item .cert { display: block; font-size: 12px; color: var(--ink-soft); margin-top: 2px; }
.rec-item .why { display: block; font-size: 12px; color: var(--ink-faint); margin-top: 2px; font-style: italic; }
.rec-item.arsenic-line .why { color: var(--unresolved); font-style: normal; font-weight: 600; }

/* ----------------------------------------------------------- funnel ---- */

.gate {
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  margin: 16px 0;
  overflow: hidden;
}
.gate-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 20px;
  background: var(--panel-sunken);
  border-bottom: 1px solid var(--rule-strong);
}
.gate-head .gate-no {
  font-family: var(--serif);
  font-size: 18px;
}
.gate-head .layer-tag {
  margin-left: auto;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 3px;
  border: 1px solid var(--rule-strong);
  color: var(--ink-faint);
}
.gate-body { padding: 6px 20px 14px; }

.funnel-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 14px;
}
.funnel-row:last-child { border-bottom: none; }
.funnel-row .geo { font-family: var(--mono); font-size: 13px; }
.funnel-row .meta { color: var(--ink-faint); font-size: 12px; }

.state-chip {
  font-size: 10px; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase;
  border-radius: 3px; padding: 3px 8px;
}
.state-chip.active { border: 1px solid var(--tier-b); color: var(--tier-b); }
.state-chip.quiet { border: 1px solid var(--rule-strong); color: var(--ink-faint); }
.state-chip.silent-gap {
  background: var(--loud);
  color: var(--tier-badge-ink);
  border: 1px solid var(--loud);
  font-size: 11px;
}
.state-chip.unsizeable { border: 1px dotted var(--rule-strong); color: var(--ink-faint); }

.outputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 22px 0;
}
@media (max-width: 860px) { .outputs { grid-template-columns: 1fr; } }

.output-card {
  border-radius: 4px;
  padding: 18px 22px;
  border: 1px solid var(--rule-strong);
  background: var(--panel);
}
.output-card h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 20px;
}
.output-card .count {
  font-family: var(--serif);
  font-size: 40px;
  font-variant-numeric: tabular-nums;
  margin: 8px 0 2px;
}
.output-card .what { font-size: 13px; color: var(--ink-soft); max-width: 46ch; }

.output-card.qualified { border-color: var(--tier-b); }
.output-card.qualified h3 { color: var(--tier-b); }

.output-card.mandate {
  border: 2px solid var(--loud);
  background: var(--loud-bg);
}
.output-card.mandate h3 { color: var(--loud); }
.output-card.mandate .count { color: var(--loud); }
.output-card.mandate .pop { font-size: 13px; font-weight: 600; color: var(--loud); margin-top: 6px; }

.ledger-rows { margin-top: 12px; border-top: 1px solid var(--rule-strong); }
.ledger-rows .funnel-row { border-color: var(--rule-strong); }

.watchlist {
  margin-top: 4px;
  border: 1px dashed var(--rule-strong);
  border-radius: 4px;
  padding: 14px 20px;
  background: transparent;
}
.watchlist h4 { margin: 0 0 6px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--ink-faint); }

/* news drill-down */

.news-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 14px;
}
.news-item:last-child { border-bottom: none; }
.news-item .frame {
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  border-radius: 3px; padding: 2px 7px; margin-right: 8px;
}
.news-item .frame.official { border: 1px solid var(--tier-b); color: var(--tier-b); }
.news-item .frame.alleged { border: 1px solid var(--unresolved); color: var(--unresolved); }
.news-item .frame.reported { border: 1px solid var(--rule-strong); color: var(--ink-faint); }
.news-item .meta { font-size: 12px; color: var(--ink-faint); margin-top: 3px; }

.export-block {
  margin-top: 20px;
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  background: var(--panel-sunken);
  padding: 16px 20px;
}
.export-block pre {
  font-family: var(--mono);
  font-size: 12px;
  overflow-x: auto;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 12px;
}
.export-table { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 8px; }
.export-table th, .export-table td {
  text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--rule);
  font-variant-numeric: tabular-nums;
}
.export-table th { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-faint); }

.bias-panel {
  margin-top: 24px;
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  padding: 16px 22px;
  background: var(--panel);
}

/* ----------------------------------------------------------- home ------ */

.mode-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 22px; }
@media (max-width: 760px) { .mode-cards { grid-template-columns: 1fr; } }
.mode-card {
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  padding: 22px 24px;
  background: var(--panel);
}
.mode-card h3 { margin: 0 0 6px; font-family: var(--serif); font-weight: 600; font-size: 21px; }
.mode-card p { color: var(--ink-soft); font-size: 14px; }
.mode-card a.enter {
  display: inline-block;
  margin-top: 10px;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 3px;
  padding: 7px 16px;
  font-size: 14px;
}
.mode-card a.enter:hover { text-decoration: none; }

.deck-list { margin-top: 10px; }
.deck-entry {
  display: flex; justify-content: space-between; align-items: baseline; gap: 14px;
  padding: 10px 0; border-bottom: 1px solid var(--rule); font-size: 14px;
}
.deck-entry:last-child { border-bottom: none; }

.addr-search { margin: 14px 0; max-width: 560px; }
.addr-search input {
  font: inherit;
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  background: var(--panel);
  color: var(--ink);
}
.addr-search .hint { font-size: 12px; color: var(--ink-faint); margin-top: 6px; }
.addr-results { margin-top: 8px; max-width: 560px; }

/* ----------------------------------------------------------- room ------ */

.room-shell { max-width: 980px; margin: 0 auto; }
.room-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 22px;
}
.room-nav button {
  font: inherit;
  font-size: 15px;
  padding: 12px 26px;
  border-radius: 4px;
  border: 1px solid var(--rule-strong);
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
  min-width: 130px;
}
.room-nav button:disabled { opacity: 0.35; cursor: default; }

/* Room mode is the curated deck and nothing else: in-app route links inside
   a slide are rendered inert (the deck's two click targets are the path).
   External provenance links stay live. */
.room-shell a[href^="#/"] { pointer-events: none; color: var(--ink-faint); }
.room-shell .room-nav a { pointer-events: auto; color: inherit; }
.room-nav .slide-caption {
  text-align: center;
  font-size: 13px;
  color: var(--ink-faint);
}

/* wells branch */

.well-context-band {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 18px 0 24px;
}
.well-context-card {
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  padding: 14px 18px;
  background: var(--panel);
  font-size: 14px;
}
.well-context-card .label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--ink-faint); }
.well-context-card .val { font-family: var(--serif); font-size: 22px; margin-top: 4px; font-variant-numeric: tabular-nums; }

.well-finding {
  border-left: 3px solid var(--tier-d);
  padding: 4px 0 4px 16px;
  margin: 20px 0;
  font-family: var(--serif);
  font-size: 17px;
  max-width: 62ch;
}

/* ---- Guard G1: designed synthetic-refusal state (web/js/guards.js) ---- */
.refusal-card {
  margin: 2.5rem auto;
  max-width: 44rem;
  padding: 1.75rem 2rem;
  background: var(--loud-bg);
  border: 2px solid var(--loud);
  border-left-width: 10px;
  color: var(--ink);
}
.refusal-kicker {
  margin: 0 0 .35rem;
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .14em;
  color: var(--loud);
}
.refusal-title {
  margin: 0 0 .75rem;
  font-family: var(--serif);
  font-size: 1.5rem;
  line-height: 1.25;
}
.refusal-body { margin: 0 0 .9rem; color: var(--ink-soft); }
.refusal-missing { margin: 0 0 .9rem; }
.refusal-where { font-family: var(--mono); font-size: .8rem; color: var(--ink-faint); }
.refusal-policy {
  margin: 0;
  padding-top: .75rem;
  border-top: 1px solid var(--loud);
  font-style: italic;
  color: var(--ink-soft);
}

/* --- 2026-09-02 repair: non-detect measurements, S4 engine outcome, no-target --- */

/* Non-detect (censored) measurement — still kind=MEASUREMENT visually. */
.nondetect-note {
  margin-top: 4px;
  font-size: 13px;
  color: var(--ink-soft);
  max-width: 60ch;
}
.answer.measurement .population-line { color: var(--ink-soft); font-weight: 500; max-width: 64ch; }

/* S4 — the engine's decision outcome */
.outcome-head {
  border: 1px solid var(--rule-strong);
  border-left-width: 5px;
  border-radius: 4px;
  padding: 14px 16px;
  margin: 14px 0 6px;
  background: var(--panel-sunken);
}
.outcome-head.outcome-resolved { border-left-color: var(--tier-a); }
.outcome-head.outcome-unresolved { border-left-color: var(--unresolved); }
.outcome-count { font-size: 26px; margin-top: 6px; }
.outcome-what { margin-top: 4px; font-size: 14px; color: var(--ink-soft); max-width: 64ch; }

.config-card { margin-top: 10px; }
.config-stages { margin: 4px 0 0 18px; padding: 0; font-size: 14px; }
.config-stages li { margin-top: 3px; }

/* S5 — out-of-universe / no-target chip */
.state-chip.out { border: 1px dashed var(--rule-strong); color: var(--ink-faint); }

/* Published-threshold ladder (S2). A parameter may carry several published
   thresholds; the value is shown against each. Rungs the value exceeds are
   marked structurally, never with an adjective or a risk colour. */
.rung-table { width: 100%; border-collapse: collapse; margin: 10px 0 14px; font-size: 13px; }
.rung-table th { text-align: left; font-weight: 600; opacity: .65; padding: 4px 10px 4px 0; border-bottom: 1px solid var(--rule, #d8dde4); }
.rung-table td { padding: 5px 10px 5px 0; border-bottom: 1px solid var(--rule-faint, #eceff3); }
.rung-limit { font-variant-numeric: tabular-nums; white-space: nowrap; font-weight: 600; }
.rung-rel { font-variant-numeric: tabular-nums; }
.rung-asof { opacity: .6; white-space: nowrap; }
.rung-above .rung-rel { font-weight: 700; }
.rung-above .rung-limit::before { content: "▲ "; opacity: .8; }

/* Record age, rendered beside a value. STALE is a statement about the
   rubric's window, never a verdict — lawful monitoring waivers run to nine
   years for lead — so it is marked by weight and a rule, not by alarm. */
.vintage-line { font-size: 12px; opacity: .72; margin-top: 2px; font-variant-numeric: tabular-nums; }
.vintage-stale { font-weight: 600; opacity: 1; border-bottom: 1px dotted currentColor; }

/* The map exhibit is a separate page, not a hash route — the arrow marks
   that it leaves the single-page app. Room mode never shows it: the deck is
   a fixed sequence and a link out of it is a way to get lost on stage. */
nav.screens a.exhibit-link { opacity: .8; }
nav.screens a.exhibit-link:hover { opacity: 1; }