:root {
  color-scheme: light;
  --paper: #f4f7f8;
  --surface: #ffffff;
  --surface-alt: #edf3f4;
  --ink: #15242b;
  --muted: #5a6c72;
  --line: #d4e0e2;
  --teal: #087e8b;
  --teal-soft: #d9f0f2;
  --cobalt: #2b5c91;
  --cobalt-soft: #e1e9f5;
  --orange: #d86f2b;
  --orange-soft: #f9e4d4;
  --green: #2b7a57;
  --green-soft: #ddefe6;
  --red: #bc4a4a;
  --red-soft: #f7dfdf;
  --radius: 7px;
  --shadow: 0 1px 1px rgba(18, 41, 47, 0.04), 0 8px 22px rgba(18, 41, 47, 0.05);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

button,
audio {
  font: inherit;
}

button {
  cursor: pointer;
}

.topbar {
  background: #102f35;
  color: #f4fbfc;
  border-bottom: 3px solid var(--orange);
}

.topbar__inner,
.page-shell {
  width: min(1480px, calc(100% - 40px));
  margin: 0 auto;
}

.topbar__inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  color: inherit;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
}

.brand__mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--orange);
  color: #fff;
  border-radius: 5px;
}

.brand__mark svg,
.topbar__status svg {
  width: 18px;
  height: 18px;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  letter-spacing: 0;
  font-size: 16px;
}

.brand small {
  color: #b9d1d5;
  font-size: 12px;
}

.topbar__status {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #cce0e3;
  font-size: 12px;
}

.topbar__status span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 7px;
  border: 1px solid #386068;
  border-radius: 4px;
}

.topbar__status svg {
  width: 14px;
  height: 14px;
}

.page-shell {
  padding: 30px 0 42px;
}

.workspace-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 24px;
}

.eyebrow,
.panel__overline,
.card-label {
  margin: 0 0 5px;
  color: var(--teal);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.workspace-head h1,
.scenario-banner h2,
.panel h2 {
  margin: 0;
  letter-spacing: 0;
}

.workspace-head h1 {
  max-width: 750px;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.12;
}

.workspace-head__copy {
  max-width: 760px;
  margin: 10px 0 0;
  color: var(--muted);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 12px;
  color: var(--muted);
  font-size: 12px;
}

.legend__item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.dot {
  width: 8px;
  height: 8px;
  display: inline-block;
  border-radius: 50%;
}

.dot--create { background: var(--orange); }
.dot--link { background: var(--teal); }
.dot--risk { background: var(--red); }

.scenario-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.scenario-tab,
.policy-tab,
.segmented-control button {
  min-height: 38px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  border-radius: 5px;
  padding: 8px 12px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 700;
}

.scenario-tab svg {
  width: 16px;
  height: 16px;
}

.scenario-tab:hover,
.scenario-tab:focus-visible,
.policy-tab:hover,
.policy-tab:focus-visible,
.segmented-control button:hover,
.segmented-control button:focus-visible {
  border-color: var(--teal);
  color: var(--teal);
  outline: none;
}

.scenario-tab.is-active,
.policy-tab.is-active,
.segmented-control button.is-active {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
}

.policy-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 9px;
  padding: 0 0 14px;
  border-bottom: 1px solid var(--line);
}

.policy-tab {
  justify-content: center;
  font-size: 12px;
}

.scenario-banner {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  padding: 20px 0;
}

.scenario-banner h2 {
  font-size: 23px;
  line-height: 1.15;
}

.scenario-banner > p {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  text-align: right;
}

.scope-strip {
  display: grid;
  grid-template-columns: minmax(190px, 0.38fr) minmax(0, 1fr);
  gap: 20px;
  margin-bottom: 16px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cobalt);
  border-radius: var(--radius);
  background: #f8fbfc;
}

.scope-strip__head h2 {
  margin: 0;
  font-size: 16px;
  line-height: 1.2;
}

.scope-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
}

.scope-grid div {
  min-width: 0;
}

.scope-grid dt {
  margin-bottom: 4px;
  color: var(--cobalt);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.scope-grid dd {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.42;
}

.trace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.75fr) minmax(310px, 0.8fr);
  gap: 16px;
}

.side-stack {
  display: grid;
  align-content: start;
  gap: 16px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel__header {
  padding: 17px 18px 0;
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
}

.panel__header h2 {
  font-size: 18px;
  line-height: 1.2;
}

.panel__header--compact {
  align-items: center;
}

.panel__header--compact > svg {
  width: 22px;
  height: 22px;
  color: var(--teal);
}

.panel__description {
  margin: 8px 18px 15px;
  color: var(--muted);
  font-size: 13px;
}

.turn-count,
.source-note {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 4px 7px;
  border-radius: 4px;
  background: var(--surface-alt);
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.turn-list {
  border-top: 1px solid var(--line);
}

.turn-row {
  width: 100%;
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) auto;
  gap: 12px;
  padding: 13px 17px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  text-align: left;
}

.turn-row:last-child {
  border-bottom: 0;
}

.turn-row:hover,
.turn-row.is-selected {
  background: #f3fafb;
}

.turn-row.is-selected {
  box-shadow: inset 3px 0 0 var(--teal);
}

.turn-index {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.turn-main {
  min-width: 0;
}

.turn-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 5px;
}

.session-label,
.stream-label,
.route-label,
.entity-pill {
  display: inline-flex;
  align-items: center;
  min-height: 21px;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.session-label { background: var(--surface-alt); color: var(--muted); }
.stream-label { background: var(--cobalt-soft); color: var(--cobalt); }
.route-label.create { background: var(--orange-soft); color: #a54c16; }
.route-label.link { background: var(--teal-soft); color: #09616a; }
.entity-pill { background: var(--teal-soft); color: #095b64; }

.turn-text {
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  color: #33474d;
  font-size: 13px;
}

.turn-target {
  align-self: center;
  font-size: 12px;
  font-weight: 800;
  color: var(--teal);
}

.entity-list {
  padding: 14px 18px 18px;
  display: grid;
  gap: 9px;
}

.entity-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  padding: 10px;
  background: var(--surface-alt);
  border-left: 3px solid var(--entity-color, var(--teal));
  border-radius: 4px;
}

.entity-item.is-focused {
  outline: 2px solid var(--teal);
  outline-offset: 1px;
}

.entity-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #fff;
  color: var(--entity-color, var(--teal));
  overflow: hidden;
  font-size: 9px;
  font-weight: 900;
  white-space: nowrap;
}

.entity-item strong,
.entity-item small {
  display: block;
}

.entity-item strong { font-size: 13px; }
.entity-item small { color: var(--muted); font-size: 11px; line-height: 1.35; }

.focus-panel {
  min-height: 200px;
}

.focus-panel > div:last-child {
  padding: 14px 18px 18px;
}

.focus-audio {
  width: 100%;
  height: 34px;
  margin: 11px 0;
}

.focus-copy {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.focus-copy strong { color: var(--ink); }

.route-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  margin: 12px 0;
}

.route-detail-grid span {
  min-width: 0;
  padding: 7px 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}

.route-detail-grid span:last-child {
  grid-column: span 2;
}

.route-detail-grid b {
  display: block;
  margin-bottom: 2px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.icon-button {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  color: var(--teal);
}

.icon-button:hover,
.icon-button:focus-visible {
  border-color: var(--teal);
  background: var(--teal-soft);
  outline: none;
}

.icon-button svg { width: 16px; height: 16px; }

.policy-panel {
  margin: 16px 0;
}

.policy-result {
  display: grid;
  grid-template-columns: minmax(230px, 1.2fr) repeat(4, minmax(115px, 0.45fr));
  gap: 1px;
  margin-top: 16px;
  border-top: 1px solid var(--line);
  background: var(--line);
}

.policy-summary,
.metric-cell {
  padding: 15px 18px;
  background: var(--surface);
}

.policy-summary p,
.metric-cell p {
  margin: 0;
}

.policy-summary p:last-child { color: var(--muted); font-size: 13px; }
.metric-cell p:first-child { color: var(--muted); font-size: 11px; font-weight: 800; text-transform: uppercase; }
.metric-cell p:last-child { margin-top: 4px; font-size: 18px; font-weight: 800; }

.access-panel {
  margin-top: 16px;
}

.access-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(200px, 0.75fr) minmax(0, 1fr);
  border-top: 1px solid var(--line);
}

.query-card,
.authorization-card,
.answer-card {
  padding: 18px;
  min-height: 186px;
}

.query-card,
.authorization-card {
  border-right: 1px solid var(--line);
}

.query-card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.query-label {
  color: var(--teal);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 800;
}

.query-label svg { width: 15px; height: 15px; }

blockquote {
  margin: 16px 0;
  color: var(--ink);
  font-size: 16px;
  font-weight: 650;
  line-height: 1.4;
}

.query-card audio {
  width: 100%;
  height: 34px;
}

.authorization-card {
  background: #fafdfd;
}

.authorization-card--safe { border-top: 3px solid var(--green); }
.authorization-card--withheld { border-top: 3px solid var(--orange); }

.authorization-card__state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 14px 0 8px;
  font-size: 16px;
  font-weight: 850;
}

.authorization-card__state svg { width: 19px; height: 19px; }
.authorization-card--safe .authorization-card__state { color: var(--green); }
.authorization-card--withheld .authorization-card__state { color: #a54c16; }
.authorization-card p:last-child { margin: 0; color: var(--muted); font-size: 13px; }

.evidence {
  margin: 14px 0 10px;
  color: var(--muted);
  font-size: 13px;
}

.answer {
  margin: 0;
  color: var(--ink);
  font-size: 18px;
  font-weight: 800;
}

.answer-judge {
  display: block;
  margin-bottom: 6px;
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.answer-judge.is-incorrect { color: var(--red); }

audio[hidden] { display: none; }

.counterfactual-control {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 18px;
  border-top: 1px solid var(--line);
  background: #fffaf5;
}

.counterfactual-control p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.counterfactual-control .segmented-control {
  padding: 0;
  flex-shrink: 0;
}

.method-note {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 10px;
  margin-top: 16px;
  padding: 12px 0;
  color: var(--muted);
  font-size: 12px;
}

.method-note svg {
  width: 18px;
  height: 18px;
  color: var(--cobalt);
}

.method-note p { margin: 0; }
.method-note strong { color: var(--ink); }

@media (max-width: 980px) {
  .workspace-head,
  .scenario-banner {
    align-items: start;
    flex-direction: column;
  }

  .scenario-banner > p { text-align: left; }
  .legend { justify-content: start; }
  .scope-strip { grid-template-columns: 1fr; }
  .trace-grid { grid-template-columns: 1fr; }
  .side-stack { grid-template-columns: 1fr 1fr; }
  .policy-result { grid-template-columns: 1fr 1fr; }
  .policy-summary { grid-column: span 2; }
  .access-layout { grid-template-columns: 1fr 1fr; }
  .answer-card { grid-column: span 2; border-top: 1px solid var(--line); }
}

@media (max-width: 640px) {
  .topbar__inner,
  .page-shell { width: min(100% - 24px, 1480px); }
  .topbar__inner { min-height: 61px; }
  .topbar__status { display: none; }
  .page-shell { padding-top: 23px; }
  .workspace-head h1 { font-size: 28px; }
  .scenario-tab { flex: 1 1 100%; justify-content: center; }
  .policy-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .turn-row { grid-template-columns: 48px minmax(0, 1fr); }
  .turn-target { grid-column: 2; justify-self: start; }
  .side-stack,
  .policy-result,
  .access-layout,
  .scope-grid { grid-template-columns: 1fr; }
  .policy-summary,
  .answer-card { grid-column: auto; }
  .query-card,
  .authorization-card { border-right: 0; border-bottom: 1px solid var(--line); }
  .counterfactual-control { align-items: start; flex-direction: column; }
}