:root {
  --text: #203335;
  --muted: #536763;
  --teal: #15393d;
  --accent: #2a6a6a;
  --copper: #b14f16;
  --line: #d4dedb;
  --soft: #eef4f2;
  --focus: #0f5157;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: #fff;
  font-size: 16px;
}
* {
  box-sizing: border-box;
}
[hidden] {
  display: none !important;
}
body {
  margin: 0;
}
button,
select {
  font: inherit;
  color: inherit;
}
button,
select,
a {
  touch-action: manipulation;
}
button,
select {
  min-height: 44px;
  border: 1px solid #aabcb6;
  border-radius: 7px;
  background: #fff;
  padding: 9px 13px;
}
button {
  cursor: pointer;
  font-weight: 600;
}
button:hover {
  background: var(--soft);
}
a {
  color: var(--teal);
  text-underline-offset: 4px;
}
button:focus-visible,
select:focus-visible,
a:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}
.skip {
  position: absolute;
  left: 16px;
  top: -90px;
  background: #fff;
  padding: 14px;
  z-index: 10;
}
.skip:focus {
  top: 10px;
}
header {
  padding: 21px max(24px, calc((100vw - 1280px) / 2));
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand {
  font-family: Georgia, serif;
  font-size: 26px;
  font-weight: 600;
}
.brand span {
  font:
    14px "Segoe UI",
    sans-serif;
  padding-left: 18px;
  color: var(--muted);
}
.local-note {
  font-size: 13px;
  color: var(--copper);
  font-weight: 650;
}
main {
  max-width: 1280px;
  margin: auto;
  padding: 40px 24px;
}
h1,
h2 {
  font-family: Georgia, "Times New Roman", serif;
  color: var(--teal);
}
h1 {
  font-size: clamp(33px, 4.3vw, 57px);
  line-height: 1.1;
  letter-spacing: -1.3px;
  margin: 0 0 16px;
}
h2 {
  font-size: 25px;
  line-height: 1.2;
  margin: 0 0 12px;
}
h3 {
  font-size: 16px;
  line-height: 1.4;
  margin: 0 0 12px;
}
p {
  line-height: 1.6;
  margin: 0 0 14px;
}
.intro > p {
  max-width: 860px;
  color: var(--muted);
  font-size: 18px;
}
.truth-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 25px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  font-weight: 600;
}
.truth-strip span:not(:first-child) {
  border-left: 1px solid var(--line);
  padding-left: 24px;
}
.status {
  margin: 18px 0;
  font-size: 13px;
  color: var(--muted);
}
.controls {
  grid-area: controls;
  display: flex;
  align-items: end;
  gap: 14px;
  flex-wrap: wrap;
  padding: 26px 0 22px 30px;
  border-left: 1px solid var(--line);
}
.controls > div {
  display: grid;
  gap: 6px;
}
label {
  font-size: 13px;
  font-weight: 600;
}
.fixed {
  font-size: 14px;
  line-height: 1.5;
  padding: 5px 6px;
}
.fixed small {
  font-size: 12px;
  color: var(--muted);
}
.workbench {
  display: grid;
  grid-template-columns: minmax(320px, 0.88fr) minmax(0, 1.12fr);
  grid-template-areas: "graph controls" "graph evidence";
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.graph-panel {
  grid-area: graph;
  padding: 26px 26px 26px 0;
  min-width: 0;
}
.evidence-panel {
  grid-area: evidence;
  padding: 26px 0 26px 30px;
  border-left: 1px solid var(--line);
  min-width: 0;
}
.section-head {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  align-items: baseline;
}
.mono,
pre {
  font-family: Consolas, "Courier New", monospace;
  font-size: 12px;
}
.small {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}
.graph {
  width: 100%;
  min-height: 290px;
}
.graph svg {
  display: block;
  width: 100%;
  overflow: visible;
}
.edge {
  stroke: #7b9087;
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}
.edge.ghost {
  stroke-dasharray: 4 5;
  stroke: #89958e;
  opacity: 1;
}
.node {
  cursor: pointer;
}
.node .mark {
  fill: var(--teal);
  stroke: #fff;
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}
.node.boundary .mark {
  fill: var(--copper);
}
.node.excluded .mark {
  fill: #fff;
  stroke: var(--copper);
  stroke-width: 2;
}
.node .selection {
  fill: none;
  stroke: var(--focus);
  stroke-width: 3;
  opacity: 0;
  vector-effect: non-scaling-stroke;
}
.node.selected .selection,
.node:focus-visible .selection {
  opacity: 1;
}
.node text {
  font-size: 14px;
  font-weight: 650;
  fill: var(--text);
  text-anchor: middle;
}
.node .hit {
  fill: transparent;
  stroke: none;
}
.key {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  font-size: 12px;
  margin: 8px 0 12px;
}
.key span {
  display: flex;
  align-items: center;
  gap: 8px;
}
.key i {
  display: inline-block;
  width: 10px;
  height: 10px;
}
.key .circle {
  border-radius: 50%;
  background: var(--teal);
}
.key .diamond {
  background: var(--copper);
  transform: rotate(45deg);
}
.key .excluded {
  border: 2px solid var(--copper);
  transform: rotate(45deg);
}
.node-detail {
  background: var(--soft);
  padding: 15px 17px;
  border-left: 3px solid var(--accent);
  margin: 18px 0;
  font-size: 14px;
  line-height: 1.7;
}
.node-detail strong {
  display: block;
}
.tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 15px;
  margin: 15px 0;
}
.tabs button[aria-pressed="true"] {
  background: var(--teal);
  color: #fff;
  border-color: var(--teal);
}
.matrix-tools {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.scroll-table {
  max-width: 100%;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 5px;
}
table {
  border-collapse: collapse;
  width: 100%;
  font-variant-numeric: tabular-nums;
  font-size: 13px;
}
caption {
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  padding: 10px 12px;
  background: #f5f8f7;
}
th,
td {
  padding: 10px 11px;
  text-align: right;
  border-bottom: 1px solid #e3e9e6;
  white-space: nowrap;
}
th {
  font-weight: 650;
  background: #f5f8f7;
}
th:first-child,
td:first-child {
  text-align: left;
}
td.diagonal {
  background: #eff5f2;
  font-weight: 600;
}
td.selected-cell,
th.selected-cell {
  background: #dcebe5;
}
table.large {
  min-width: 750px;
}
details {
  margin-top: 15px;
}
summary {
  cursor: pointer;
  padding: 12px 0;
  font-weight: 600;
  font-size: 14px;
  min-height: 44px;
}
.recorded-comparison {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
dl {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(120px, 1fr) minmax(0, 1fr);
  gap: 8px 16px;
  font-size: 13px;
  line-height: 1.5;
}
dt {
  color: var(--muted);
}
dd {
  margin: 0;
  overflow-wrap: anywhere;
}
#errors dd {
  font-variant-numeric: tabular-nums;
}
#control-note {
  margin-top: 17px;
  font-size: 14px;
}
#spectrum svg {
  display: block;
  width: 100%;
}
.provenance {
  padding: 8px 0 25px;
  border-bottom: 1px solid var(--line);
}
.provenance p {
  font-size: 14px;
  max-width: 950px;
}
.provenance dl {
  margin: 14px 0;
}
.provenance pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: #f5f8f7;
  padding: 14px;
  line-height: 1.6;
}
.reviewer {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 50px;
  padding: 35px 0;
}
.reviewer p {
  font-size: 15px;
  color: var(--muted);
}
.review-actions {
  display: flex;
  flex-direction: column;
  align-items: start;
  gap: 17px;
}
.primary-link {
  background: var(--copper);
  color: #fff;
  border-radius: 7px;
  padding: 13px 17px;
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
  min-height: 44px;
}
.transcript-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-weight: 600;
}
.review-actions .small {
  font-size: 12px;
}
footer {
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding: 20px 0;
}
.unavailable {
  background: #fcf3ee;
  border-left: 4px solid var(--copper);
  padding: 22px;
}
.unavailable button {
  margin: 5px 8px 5px 0;
}
@media (max-width: 780px) {
  header {
    padding: 16px 20px;
  }
  .brand {
    font-size: 22px;
  }
  .brand span {
    display: none;
  }
  main {
    padding: 26px 20px;
  }
  .intro > p {
    font-size: 16px;
  }
  .desktop-break {
    display: none;
  }
  .truth-strip {
    gap: 8px 15px;
    font-size: 12px;
  }
  .truth-strip span:not(:first-child) {
    padding-left: 0;
    border-left: 0;
  }
  .controls {
    gap: 10px;
    padding: 20px 0 22px;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }
  .controls > div {
    flex: 1 1 145px;
  }
  .controls select {
    width: 100%;
    max-width: 100%;
    font-size: 13px;
  }
  .fixed {
    flex: 1 1 150px;
    font-size: 13px;
  }
  .controls button {
    font-size: 13px;
  }
  .workbench {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "graph" "controls" "evidence";
  }
  .graph-panel {
    padding: 23px 0;
    border-bottom: 1px solid var(--line);
  }
  .evidence-panel {
    padding: 23px 0;
    border-left: 0;
  }
  .graph {
    min-height: 260px;
  }
  .reviewer {
    grid-template-columns: 1fr;
    gap: 18px;
    padding-top: 27px;
  }
  .section-head {
    gap: 8px;
  }
  h2 {
    font-size: 23px;
  }
  dl {
    grid-template-columns: 1fr 1fr;
  }
  th,
  td {
    padding: 10px 8px;
  }
  .node text {
    font-size: 14px;
  }
  .provenance dl {
    grid-template-columns: 1fr;
  }
  .provenance dt {
    font-weight: 650;
  }
  .provenance dd {
    margin-bottom: 5px;
  }
}
@media (max-width: 380px) {
  main {
    padding-left: 16px;
    padding-right: 16px;
  }
  .local-note {
    font-size: 11px;
  }
  .tabs {
    gap: 6px;
  }
  .tabs button {
    font-size: 13px;
    padding: 9px 12px;
  }
  .controls {
    align-items: center;
  }
}
@media (max-width: 780px) {
  .intro > p {
    font-size: 15px;
  }
  .intro h1 {
    font-size: 32px;
  }
  .truth-strip {
    margin-top: 18px;
  }
  .graph-panel .small {
    margin-bottom: 8px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}
@media print {
  header,
  .controls,
  .tabs,
  .matrix-tools,
  .review-actions {
    display: none;
  }
  .workbench,
  .reviewer {
    display: block;
  }
  .evidence-panel {
    border: 0;
    padding: 20px 0;
  }
  .scroll-table {
    overflow: visible;
  }
  #explorer[hidden] {
    display: none;
  }
  details > * {
    display: block !important;
  }
  footer {
    color: #000;
  }
}
.brand {
  text-decoration: none;
}
.demonstration {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
  gap: 40px;
  border-top: 1px solid var(--line);
  padding: 30px 0;
}
.demonstration p {
  max-width: 760px;
  font-size: 15px;
  color: var(--muted);
}
.demonstration video {
  display: block;
  width: 100%;
  height: auto;
  max-width: 320px;
  background: var(--soft);
}
.intro h1 {
  overflow-wrap: anywhere;
}
#data-source {
  overflow-wrap: anywhere;
}
#view-link-output {
  overflow-wrap: anywhere;
}
.mobile-only {
  display: none;
}
@media (max-width: 780px) {
  .mobile-only {
    display: block;
  }
  #mobile-case-summary {
    flex-basis: 100%;
    margin: 0;
  }
}
@media (max-width: 780px) {
  header {
    flex-wrap: wrap;
    gap: 8px;
  }
  .demonstration {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .demonstration video {
    justify-self: center;
  }
  .spectrum-axis {
    shape-rendering: crispEdges;
  }
  .controls > div {
    min-width: 0;
  }
}
@media print {
  .demonstration video {
    display: none;
  }
}