:root {
  --background: #f1f0e9;
  --foreground: #17201f;
  --card: #faf9f3;
  --muted: #e5e4dc;
  --muted-foreground: #65706d;
  --border: #c9cbc2;
  --accent: #d9ff69;
  --fact: #b9e7ea;
  --interpretation: #ddd1ff;
  --assumption: #f7d99b;
  --prediction: #ffc2aa;
  --value: #f5b7d1;
  --proposal: #d9ff69;
  --sans:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--sans);
}
.workspace-choice {
  padding: 28px 32px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 0.6fr);
  gap: 24px;
  align-items: center;
}
.workspace-choice h2 {
  font-size: clamp(28px, 3vw, 42px);
  letter-spacing: -0.04em;
  margin: 8px 0 12px;
}
.workspace-choice p {
  line-height: 1.6;
  max-width: 800px;
}
.personal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0;
}
.personal-actions button,
.personal-editor-section > button,
.personal-edit-card > button {
  font: inherit;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--foreground);
  padding: 10px 14px;
  min-height: 44px;
  border-radius: 5px;
  cursor: pointer;
  max-width: 100%;
  overflow-wrap: anywhere;
}
.personal-actions [aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--foreground);
}
button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
[hidden] {
  display: none !important;
}
.guided-exercise {
  margin: 24px 32px;
  padding: 18px 22px;
  border: 1px solid var(--border);
  background: var(--card);
  line-height: 1.6;
}
.guided-exercise summary {
  cursor: pointer;
  font-weight: 700;
  min-height: 30px;
}
.guided-exercise li {
  margin: 8px 0;
}
.personal-workspace {
  padding: 32px;
  max-width: 1150px;
  margin: auto;
  line-height: 1.65;
}
.personal-workspace h2 {
  font-size: 32px;
  letter-spacing: -0.03em;
  line-height: 1.2;
}
.personal-workspace p {
  max-width: 900px;
}
.personal-workspace h3 {
  font-size: 23px;
  line-height: 1.3;
  margin: 22px 0 12px;
}
.personal-workspace h4 {
  font-size: 14px;
  margin: 18px 0 4px;
  color: var(--muted-foreground);
}
.personal-field {
  display: grid;
  gap: 6px;
  margin: 14px 0;
}
.personal-field > span {
  font-weight: 650;
  font-size: 14px;
}
.personal-field input,
.personal-field textarea,
.personal-field select {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--border);
  background: #fffef8;
  color: var(--foreground);
  border-radius: 4px;
  padding: 10px;
  font: inherit;
  line-height: 1.5;
}
.personal-field textarea {
  resize: vertical;
}
.personal-editor-section {
  margin: 28px 0;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.personal-edit-card {
  min-width: 0;
  margin: 20px 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 18px;
  background: var(--card);
}
.personal-edit-card > legend {
  font: 600 14px var(--mono);
  padding: 0 8px;
}
.personal-source-checks {
  border: 1px solid var(--border);
  padding: 12px;
  margin: 18px 0;
  min-width: 0;
}
.personal-source-checks legend {
  font-size: 14px;
}
.personal-source-checks label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  margin-right: 20px;
}
.personal-source-checks input {
  width: 20px;
  height: 20px;
  accent-color: #355541;
}
.personal-help {
  color: #425450;
  border-left: 3px solid #9dbaa5;
  padding: 10px 14px;
  background: #eaf0e8;
  font-size: 14px;
}
.personal-user-text {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.personal-review {
  background: #e5efdc;
  border: 1px solid #a3b895;
  border-radius: 6px;
  padding: 20px;
  margin: 24px 0;
}
.personal-review li {
  margin: 8px 0;
}
.personal-result-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
  margin: 18px 0;
  background: var(--card);
}
.personal-result-card .kicker {
  margin: 0;
}
.personal-result-card a {
  text-underline-offset: 4px;
}
#personal-status {
  color: var(--muted-foreground);
}
#personal-error {
  color: #902b16;
  white-space: pre-wrap;
}
#personal-dialog {
  max-width: min(640px, calc(100vw - 32px));
  border: 1px solid var(--foreground);
  border-radius: 8px;
  padding: 26px;
  background: var(--card);
  color: var(--foreground);
  line-height: 1.6;
}
#personal-dialog::backdrop {
  background: #17201faa;
}
#personal-confirm-title {
  font-size: 25px;
  line-height: 1.25;
}
#personal-confirm-preview {
  overflow-wrap: anywhere;
}
.personal-workspace :is(button, input, textarea, select):focus-visible,
.workspace-choice button:focus-visible,
.guided-exercise summary:focus-visible,
#personal-dialog button:focus-visible {
  outline: 3px solid #315e48;
  outline-offset: 3px;
}
@media (max-width: 760px) {
  .workspace-choice {
    display: block;
    padding: 22px 16px;
  }
  .personal-workspace {
    padding: 24px 16px;
  }
  .personal-actions button {
    flex: 1 1 140px;
  }
  .guided-exercise {
    margin: 20px 16px;
    padding: 16px;
  }
  .personal-edit-card,
  .personal-result-card {
    padding: 15px;
  }
  .personal-workspace h2 {
    font-size: 28px;
  }
  .personal-field :is(input, textarea, select) {
    font-size: 16px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  font: inherit;
}
[hidden] {
  display: none !important;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 68px;
  padding: 10px 24px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--background) 88%, transparent);
  backdrop-filter: blur(18px);
}
.brand {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 11px;
  color: inherit;
  text-decoration: none;
}
.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 50%;
  background: var(--foreground);
  color: var(--background);
  font: 700 10px/1 var(--mono);
  letter-spacing: 0.08em;
}
.brand strong {
  display: block;
  font-size: 13px;
  letter-spacing: 0.09em;
}
.brand small {
  display: block;
  margin-top: 2px;
  color: var(--muted-foreground);
  font: 9px/1.2 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.view-switch {
  display: flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card);
}
.view-switch button {
  min-height: 32px;
  padding: 0 13px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted-foreground);
  font-size: 12px;
  cursor: pointer;
}
.view-switch button[data-active="true"] {
  background: var(--foreground);
  color: var(--background);
}
.export-button {
  justify-self: end;
  height: 38px;
  padding: 0 16px;
  border: 1px solid var(--foreground);
  border-radius: 999px;
  background: var(--foreground);
  color: var(--background);
  font-weight: 650;
  cursor: pointer;
}
.export-button:hover {
  background: #31413f;
}
.question-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 56px;
  align-items: end;
  padding: 42px 24px 36px;
  border-bottom: 1px solid var(--border);
}
.question-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  color: var(--muted-foreground);
  font: 10px/1.2 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.preview-badge,
.type-badge {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 9px;
  border: 1px solid var(--foreground);
  border-radius: 999px;
  background: var(--accent);
  color: var(--foreground);
}
.question-bar h1 {
  max-width: 1050px;
  margin: 18px 0 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4.15vw, 4.7rem);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.055em;
  text-wrap: balance;
}
.question-note {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 10px;
  padding-top: 18px;
  border-top: 1px solid var(--foreground);
}
.question-note p {
  margin: 0;
  color: var(--muted-foreground);
  font-size: 12px;
  line-height: 1.55;
}
.question-note strong {
  color: var(--foreground);
}
.workspace {
  display: grid;
  grid-template-columns: 210px minmax(560px, 1fr) 330px;
  min-height: 670px;
  border-bottom: 1px solid var(--border);
}
.filter-panel,
.evidence-panel {
  background: var(--card);
}
.filter-panel {
  padding: 22px 16px;
  border-right: 1px solid var(--border);
}
.panel-heading {
  display: flex;
  gap: 8px;
  padding: 0 7px 16px;
  font: 700 10px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.filter-list {
  display: grid;
  gap: 3px;
}
.filter-list button {
  display: grid;
  grid-template-columns: 10px 1fr auto;
  gap: 9px;
  align-items: center;
  width: 100%;
  min-height: 36px;
  padding: 0 9px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--muted-foreground);
  font-size: 11px;
  text-align: left;
  cursor: pointer;
}
.filter-list button:hover {
  background: var(--muted);
  color: var(--foreground);
}
.filter-list button[data-active="true"] {
  border-color: var(--border);
  background: var(--background);
  color: var(--foreground);
  font-weight: 650;
}
.filter-list small {
  font: 9px/1 var(--mono);
}
.filter-dot {
  width: 8px;
  height: 8px;
  border: 1px solid #68716e;
  border-radius: 50%;
  background: var(--node-color);
}
.filter-dot.all {
  background: var(--foreground);
}
.method-card {
  margin-top: 30px;
  padding: 18px;
  border-radius: 12px;
  background: var(--foreground);
  color: var(--background);
}
.method-icon {
  font-size: 22px;
}
.method-label {
  margin: 28px 0 8px;
  color: #9ea6a1;
  font: 9px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.method-card strong {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.2;
}
.method-card > p:last-child {
  margin: 14px 0 0;
  color: #adb2ae;
  font-size: 10px;
  line-height: 1.5;
}
.map-shell {
  min-width: 0;
  background-color: #ebeae2;
  background-image: radial-gradient(#bec1b8 1px, transparent 1px);
  background-size: 20px 20px;
}
.map-caption {
  display: flex;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgb(241 240 233 / 84%);
  color: var(--muted-foreground);
  font: 9px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.map-caption span {
  display: flex;
  align-items: center;
  gap: 7px;
}
.status-light {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4b8b56;
  box-shadow: 0 0 0 3px rgb(75 139 86 / 18%);
}
.map-scroll {
  overflow: auto;
}
.claim-map {
  position: relative;
  width: 100%;
  min-width: 820px;
  height: 620px;
}
.relations {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}
.relations line {
  stroke: #7f8984;
  stroke-width: 0.16;
  stroke-dasharray: 0.7 0.55;
  opacity: 0.22;
  vector-effect: non-scaling-stroke;
  transition: opacity 0.2s ease;
}
.relations line[data-visible="true"] {
  opacity: 0.75;
}
.claim-node {
  --node-color: var(--muted);
  position: absolute;
  z-index: 2;
  width: 168px;
  min-height: 98px;
  padding: 11px 12px 12px;
  border: 1px solid rgb(23 32 31 / 22%);
  border-radius: 10px;
  background: color-mix(in srgb, var(--node-color) 88%, white);
  color: var(--foreground);
  text-align: left;
  box-shadow: 0 6px 22px rgb(23 32 31 / 7%);
  cursor: pointer;
  transform: translate(-2%, -2%);
  transition:
    opacity 0.18s ease,
    transform 0.18s ease,
    box-shadow 0.18s ease;
}
.claim-node:hover {
  transform: translate(-2%, -6%);
  box-shadow: 0 12px 26px rgb(23 32 31 / 14%);
}
.claim-node[data-selected="true"] {
  outline: 2px solid var(--foreground);
  outline-offset: 2px;
}
.claim-node[data-dimmed="true"] {
  opacity: 0.18;
}
.node-topline {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 12px;
  font: 8px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.node-topline b {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border-radius: 50%;
  background: var(--foreground);
  color: var(--background);
  font-size: 8px;
}
.claim-node > strong {
  display: block;
  font-size: 11px;
  line-height: 1.35;
}
.kind-fact {
  --node-color: var(--fact);
}
.kind-interpretation {
  --node-color: var(--interpretation);
}
.kind-assumption {
  --node-color: var(--assumption);
}
.kind-prediction {
  --node-color: var(--prediction);
}
.kind-value {
  --node-color: var(--value);
}
.kind-proposal {
  --node-color: var(--proposal);
}
.evidence-panel {
  position: relative;
  padding: 28px 24px;
  border-left: 1px solid var(--border);
  overflow: hidden;
}
.evidence-accent {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 6px;
  background: var(--node-color);
}
.evidence-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.evidence-head > span:first-child {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  background: var(--foreground);
  color: var(--background);
  font: 9px/1 var(--mono);
}
.type-badge {
  border-color: var(--border);
  background: var(--background);
  font: 8px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.evidence-eyebrow,
.kicker {
  margin: 42px 0 11px;
  color: var(--muted-foreground);
  font: 9px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.evidence-panel h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 27px;
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.035em;
}
.evidence-detail {
  margin: 17px 0 0;
  color: var(--muted-foreground);
  font-size: 12px;
  line-height: 1.65;
}
.confidence-row {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 9px;
  align-items: center;
  margin-top: 24px;
  padding: 13px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.confidence-row small,
.source-link small {
  display: block;
  margin-bottom: 4px;
  color: var(--muted-foreground);
  font: 8px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.confidence-row strong,
.source-link strong {
  display: block;
  font-size: 10px;
  line-height: 1.35;
}
.source-link {
  display: grid;
  grid-template-columns: 1fr 18px;
  gap: 10px;
  align-items: center;
  margin-top: 14px;
  padding: 14px;
  border-radius: 10px;
  background: var(--background);
  color: inherit;
  text-decoration: none;
}
.source-link:hover {
  outline: 1px solid var(--foreground);
}
.source-gap {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 9px;
  margin-top: 14px;
  padding: 14px;
  border-radius: 10px;
  background: var(--background);
}
.source-gap p {
  margin: 0;
  color: var(--muted-foreground);
  font-size: 10px;
  line-height: 1.5;
}
.related-list {
  margin-top: 26px;
}
.related-list > p {
  font: 9px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.related-list button {
  display: grid;
  grid-template-columns: 26px 1fr 14px;
  gap: 8px;
  align-items: start;
  width: 100%;
  padding: 11px 0;
  border: 0;
  border-top: 1px solid var(--border);
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}
.related-list button > span {
  padding-top: 2px;
  color: var(--muted-foreground);
  font: 8px/1 var(--mono);
}
.related-list button p {
  margin: 0;
  font-size: 10px;
  line-height: 1.4;
}
.brief-view {
  padding: 64px 24px 84px;
}
.brief-intro {
  display: grid;
  grid-template-columns: 0.55fr 1.25fr 0.7fr;
  gap: 40px;
  align-items: start;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--border);
}
.brief-intro .kicker {
  margin: 6px 0 0;
}
.brief-intro h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.4rem, 4vw, 4.7rem);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.055em;
}
.brief-intro > p:last-child {
  margin: 4px 0 0;
  color: var(--muted-foreground);
  font-size: 13px;
  line-height: 1.7;
}
.brief-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.brief-card {
  min-height: 320px;
  padding: 34px;
  background: var(--card);
}
.brief-icon {
  font-size: 21px;
}
.brief-card .kicker {
  margin-top: 55px;
}
.brief-card h3 {
  max-width: 600px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.7rem, 3vw, 3rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.045em;
}
.brief-card ul,
.brief-card > p:last-child {
  margin: 24px 0 0;
  padding-left: 18px;
  color: var(--muted-foreground);
  font-size: 12px;
  line-height: 1.7;
}
.brief-card.fact-card {
  background: color-mix(in srgb, var(--fact) 45%, var(--card));
}
.brief-card.question-card {
  background: color-mix(in srgb, var(--assumption) 42%, var(--card));
}
.brief-card.value-card {
  background: color-mix(in srgb, var(--value) 35%, var(--card));
}
.brief-card.proposal-card {
  background: color-mix(in srgb, var(--proposal) 48%, var(--card));
}
footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 24px;
  color: var(--muted-foreground);
  font: 9px/1.4 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
footer p {
  margin: 0;
}
footer strong {
  color: var(--foreground);
}
@media (max-width: 1120px) {
  .workspace {
    grid-template-columns: 190px minmax(560px, 1fr);
  }
  .evidence-panel {
    grid-column: 1 / -1;
    border-top: 1px solid var(--border);
    border-left: 0;
  }
  .evidence-panel h2,
  .related-list {
    max-width: 720px;
  }
}
@media (max-width: 760px) {
  .topbar {
    grid-template-columns: 1fr auto;
    padding: 9px 14px;
  }
  .view-switch {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: stretch;
    margin-top: 8px;
  }
  .view-switch button {
    flex: 1;
  }
  .export-button {
    padding: 0 12px;
  }
  .question-bar {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 34px 16px 28px;
  }
  .question-bar h1 {
    font-size: 2.55rem;
  }
  .workspace {
    display: block;
  }
  .filter-panel {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
  .filter-list {
    grid-template-columns: repeat(2, 1fr);
  }
  .method-card {
    display: none;
  }
  .claim-map {
    min-width: 790px;
  }
  .evidence-panel {
    padding: 26px 18px;
  }
  .brief-view {
    padding: 44px 16px 64px;
  }
  .brief-intro {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .brief-grid {
    grid-template-columns: 1fr;
  }
  .brief-card {
    min-height: 280px;
    padding: 28px;
  }
  footer {
    flex-direction: column;
    padding: 24px 16px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* Release accessibility and phone layout; preserve the case-study visual identity. */
body {
  font-size: 16px;
  line-height: 1.5;
}
button:focus-visible,
a:focus-visible {
  outline: 3px solid #245a9c;
  outline-offset: 3px;
}
.skip-link {
  position: fixed;
  top: -90px;
  left: 12px;
  z-index: 50;
  background: #17201f;
  color: white;
  padding: 12px;
}
.skip-link:focus {
  top: 12px;
}
.brand strong {
  font-size: 14px;
}
.brand small,
.brand-mark {
  font-size: 12px;
}
.view-switch button {
  min-height: 40px;
  font-size: 14px;
}
.export-button {
  min-height: 44px;
  font-size: 14px;
}
.question-bar {
  gap: 30px;
  padding: 24px;
  align-items: center;
}
.question-meta {
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.03em;
}
.question-bar h1 {
  font-size: clamp(26px, 2.8vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin-top: 10px;
}
.question-note p {
  font-size: 14px;
}
.workspace {
  grid-template-columns: 230px minmax(480px, 1fr) 350px;
  align-items: start;
}
.panel-heading {
  font-size: 12px;
  line-height: 1.4;
}
.filter-list button {
  font-size: 14px;
  min-height: 44px;
  padding: 8px 9px;
}
.filter-list small,
.method-label {
  font-size: 12px;
}
.method-label {
  line-height: 1.4;
  margin-top: 18px;
}
.method-card strong {
  font-size: 20px;
}
.method-card > p:last-child {
  font-size: 14px;
}
.map-caption {
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  flex-wrap: wrap;
  gap: 8px;
}
.claim-map {
  min-width: 1120px;
  height: 860px;
}
.claim-node {
  width: 220px;
  min-height: 160px;
  padding: 14px;
}
.node-topline {
  font-size: 12px;
  line-height: 1.35;
  letter-spacing: 0;
  margin-bottom: 10px;
}
.node-topline b {
  font-size: 12px;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
}
.claim-node > strong {
  font-size: 15px;
  line-height: 1.4;
}
.claim-node[data-dimmed="true"] {
  opacity: 0.48;
}
.relations line {
  stroke-width: 1.5;
}
.kind-assessment {
  --node-color: #bfddd0;
}
.evidence-panel {
  scroll-margin-top: 88px;
}
.evidence-head > span:first-child,
.type-badge {
  font-size: 12px;
}
.type-badge {
  height: auto;
  min-height: 28px;
  padding: 5px 9px;
}
.evidence-eyebrow,
.kicker {
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.05em;
}
.evidence-eyebrow {
  margin-top: 24px;
}
.evidence-detail {
  font-size: 16px;
}
.confidence-row small,
.source-link small {
  font-size: 12px;
  line-height: 1.4;
}
.confidence-row strong,
.source-link strong,
.source-gap p {
  font-size: 14px;
  line-height: 1.5;
}
.source-limit {
  font-size: 14px;
  color: #53615b;
  margin: 12px 0;
}
.related-list > p,
.related-list button > span {
  font-size: 12px;
  line-height: 1.4;
}
.related-list button p {
  font-size: 14px;
}
.related-list button {
  min-height: 44px;
}
.brief-view {
  padding-top: 32px;
}
.brief-intro {
  grid-template-columns: 0.6fr 1.3fr 1fr;
  gap: 26px;
  padding-bottom: 30px;
}
.brief-intro h2 {
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.08;
  letter-spacing: -0.025em;
}
.brief-intro > p:last-child {
  font-size: 16px;
}
.brief-card {
  min-height: 0;
  padding: 26px;
}
.brief-card .kicker {
  margin-top: 24px;
}
.brief-card h3 {
  font-size: 30px;
  line-height: 1.12;
}
.brief-card ul,
.brief-card > p:last-child {
  font-size: 16px;
}
.brief-references {
  margin-top: 30px;
  max-width: 950px;
}
.brief-references li {
  margin: 18px 0;
}
.brief-references li p {
  color: #53615b;
  margin: 6px 0;
}
footer {
  font-size: 12px;
  letter-spacing: 0.025em;
  line-height: 1.6;
}
@media (max-width: 1120px) {
  .workspace {
    grid-template-columns: 230px minmax(0, 1fr);
  }
  .evidence-panel {
    grid-column: 1/-1;
  }
}
@media (max-width: 760px) {
  .question-bar {
    padding: 20px 16px;
    gap: 16px;
  }
  .question-bar h1 {
    font-size: 26px;
  }
  .question-note {
    padding-top: 12px;
  }
  .workspace {
    display: block;
  }
  .filter-panel {
    padding: 18px 12px;
  }
  .filter-list {
    gap: 4px;
  }
  .filter-list button {
    grid-template-columns: 8px 1fr auto;
    gap: 6px;
    font-size: 13px;
    padding: 8px 5px;
  }
  .map-scroll {
    overflow: visible;
  }
  .claim-map {
    min-width: 0;
    width: auto;
    height: auto;
    display: grid;
    gap: 14px;
    padding: 18px 16px;
  }
  .claim-node {
    position: static;
    width: 100%;
    min-height: 0;
    transform: none;
  }
  .claim-node:hover {
    transform: none;
  }
  .relations {
    display: none;
  }
  .claim-node > strong {
    font-size: 16px;
  }
  .map-caption {
    font-size: 12px;
    padding: 12px 16px;
  }
  .evidence-panel {
    scroll-margin-top: 126px;
  }
  .evidence-panel h2 {
    font-size: 28px;
  }
  .brief-intro {
    grid-template-columns: 1fr;
  }
  .brief-card {
    padding: 22px;
  }
  .brief-card h3 {
    font-size: 28px;
  }
}