:root {
  color-scheme: light;
  --paper: oklch(98.2% 0.008 145);
  --paper-raised: oklch(99.5% 0.004 145);
  --paper-soft: oklch(95.8% 0.013 145);
  --ink: oklch(24% 0.025 153);
  --ink-soft: oklch(43% 0.022 153);
  --ink-faint: oklch(52% 0.018 153);
  --line: oklch(86% 0.016 145);
  --line-strong: oklch(73% 0.022 145);
  --forest: oklch(34% 0.075 154);
  --forest-hover: oklch(29% 0.078 154);
  --forest-soft: oklch(92% 0.035 151);
  --forest-pale: oklch(96.5% 0.018 151);
  --blue: oklch(49% 0.12 248);
  --blue-soft: oklch(93.5% 0.028 248);
  --amber: oklch(63% 0.13 72);
  --amber-soft: oklch(95.5% 0.045 82);
  --coral: oklch(53% 0.15 28);
  --coral-soft: oklch(94.5% 0.037 28);
  --shadow-small: 0 1px 2px oklch(20% 0.02 153 / 0.06), 0 6px 18px oklch(20% 0.02 153 / 0.04);
  --shadow-large: 0 14px 40px oklch(20% 0.02 153 / 0.09);
  --radius-small: 6px;
  --radius: 10px;
  --radius-large: 16px;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: Charter, "Bitstream Charter", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --content-width: 1600px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button,
a,
input,
select,
textarea,
summary {
  -webkit-tap-highlight-color: transparent;
}

button,
summary {
  cursor: pointer;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid oklch(67% 0.14 248 / 0.55);
  outline-offset: 3px;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--ink);
  text-wrap: balance;
}

h1 {
  margin-bottom: 1rem;
  font-family: var(--serif);
  font-size: clamp(2.6rem, 5vw, 5.6rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.92;
}

h1 em {
  color: var(--forest);
  font-weight: 500;
}

h2 {
  margin-bottom: 0.5rem;
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.12;
}

h3 {
  margin-bottom: 0.5rem;
  font-size: 1rem;
  line-height: 1.35;
}

em {
  font-style: italic;
}

svg {
  display: block;
  width: 1.15rem;
  height: 1.15rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.85rem;
  transform: translateY(-150%);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-small);
  background: var(--paper-raised);
  color: var(--forest);
  font-weight: 700;
}

.skip-link:focus {
  transform: translateY(0);
}

.topbar {
  position: sticky;
  z-index: 50;
  top: 0;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto minmax(220px, 1fr);
  align-items: center;
  min-height: 72px;
  padding: 0.75rem max(1rem, calc((100vw - var(--content-width)) / 2 + 1.25rem));
  border-bottom: 1px solid var(--line);
  background: oklch(98.2% 0.008 145 / 0.94);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  width: max-content;
  min-width: 0;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--forest);
  color: var(--forest);
  font-family: var(--serif);
  font-size: 1.15rem;
  font-style: italic;
  font-weight: 700;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.2;
}

.brand strong {
  font-family: var(--serif);
  font-size: 1.08rem;
}

.brand small {
  margin-top: 0.12rem;
  color: var(--ink-faint);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav-item {
  min-height: 42px;
  padding: 0.55rem 0.8rem;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 650;
}

.nav-item:hover {
  color: var(--forest);
}

.nav-item.is-active {
  border-bottom-color: var(--forest);
  color: var(--forest);
}

.nav-count {
  display: inline-grid;
  min-width: 1.45rem;
  height: 1.45rem;
  margin-left: 0.25rem;
  padding: 0 0.35rem;
  place-items: center;
  border-radius: 99px;
  background: var(--paper-soft);
  color: var(--ink-soft);
  font-size: 0.68rem;
}

.nav-item.is-active .nav-count {
  background: var(--forest-soft);
  color: var(--forest);
}

.runtime-pill {
  display: inline-flex;
  justify-self: end;
  align-items: center;
  gap: 0.5rem;
  max-width: 100%;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 99px;
  background: var(--paper-raised);
  color: var(--ink-soft);
  font-size: 0.73rem;
  font-weight: 650;
}

.runtime-dot {
  width: 0.48rem;
  height: 0.48rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px var(--amber-soft);
}

.runtime-pill[data-state="verified"] .runtime-dot {
  background: var(--forest);
  box-shadow: 0 0 0 4px var(--forest-soft);
}

.runtime-pill[data-state="error"] .runtime-dot {
  background: var(--coral);
  box-shadow: 0 0 0 4px var(--coral-soft);
}

main {
  width: min(100%, var(--content-width));
  min-height: calc(100vh - 72px);
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 5rem) clamp(1rem, 2.5vw, 2.5rem) 6rem;
}

[hidden] {
  display: none !important;
}

.view.is-active {
  animation: view-in 220ms ease-out both;
}

@keyframes view-in {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: none; }
}

.page-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(380px, 0.65fr);
  gap: clamp(2rem, 6vw, 7rem);
  align-items: end;
  margin-bottom: clamp(2.5rem, 6vw, 5.5rem);
}

.page-heading.compact {
  align-items: center;
}

.page-heading.compact h1 {
  font-size: clamp(2.6rem, 5vw, 5rem);
}

.eyebrow,
.kicker {
  margin-bottom: 0.65rem;
  color: var(--forest);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  display: inline-block;
  width: 1.75rem;
  height: 1px;
  margin-right: 0.6rem;
  background: currentColor;
  content: "";
  vertical-align: middle;
}

.lede {
  max-width: 700px;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(1.05rem, 1.6vw, 1.28rem);
  line-height: 1.5;
}

.scope-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}

.scope-summary > div {
  min-width: 0;
  padding: 1.1rem 0.85rem;
  border-left: 1px solid var(--line);
}

.scope-summary > div:first-child {
  padding-left: 0;
  border-left: 0;
}

.scope-summary strong,
.scope-summary span {
  display: block;
}

.scope-summary strong {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
}

.scope-summary span {
  margin-top: 0.4rem;
  color: var(--ink-faint);
  font-size: 0.7rem;
  line-height: 1.3;
}

.library-layout {
  display: grid;
  grid-template-columns: minmax(220px, 260px) minmax(430px, 1fr) minmax(290px, 350px);
  gap: clamp(1rem, 2vw, 2rem);
  align-items: start;
}

.library-layout > *,
.evidence-layout > *,
.workspace-layout > *,
.corpus-grid > *,
.guide-grid > * {
  min-width: 0;
}

.filter-panel,
.results-panel,
.inspector-panel,
.packet-catalog,
.ask-studio,
.workspace-library,
.export-panel,
.metric-board,
.distribution-panel,
.capability-panel,
.diagnostics-panel,
.workflow-panel,
.definitions-panel,
.limitations-panel {
  border-top: 2px solid var(--ink);
  background: var(--paper-raised);
}

.filter-panel,
.results-panel,
.packet-catalog,
.ask-studio,
.workspace-library,
.metric-board,
.distribution-panel,
.capability-panel,
.workflow-panel,
.definitions-panel,
.limitations-panel {
  padding: clamp(1rem, 2vw, 1.5rem);
}

.filter-panel {
  position: static;
}

.inspector-panel,
.export-panel {
  position: sticky;
  top: 92px;
}

.panel-heading,
.section-heading,
.results-toolbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.panel-heading h2,
.section-heading h2,
.results-toolbar h2 {
  margin-bottom: 0;
}

.text-button {
  min-height: 40px;
  padding: 0.35rem 0;
  border: 0;
  border-bottom: 1px solid currentColor;
  background: transparent;
  color: var(--forest);
  font-size: 0.74rem;
  font-weight: 750;
}

.search-form,
.ask-form {
  display: grid;
  gap: 1.1rem;
}

.field,
.question-card {
  display: grid;
  min-width: 0;
  gap: 0.4rem;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

label,
legend {
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.01em;
}

label span {
  color: var(--ink-faint);
  font-weight: 500;
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

legend {
  margin-bottom: 0.4rem;
}

input,
select,
textarea {
  width: 100%;
  max-width: 100%;
  min-height: 44px;
  padding: 0.68rem 0.72rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-small);
  background: var(--paper-raised);
  box-shadow: inset 0 1px 1px oklch(20% 0.02 153 / 0.02);
}

textarea {
  min-height: 88px;
  resize: vertical;
  line-height: 1.45;
}

input::placeholder,
textarea::placeholder {
  color: var(--ink-faint);
  opacity: 0.8;
}

input:hover,
select:hover,
textarea:hover {
  border-color: var(--forest);
}

.input-with-icon {
  position: relative;
}

.input-with-icon svg {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 0.75rem;
  transform: translateY(-50%);
  color: var(--ink-faint);
}

.input-with-icon input {
  padding-left: 2.4rem;
}

.field-help {
  margin-bottom: 0;
  color: var(--ink-faint);
  font-size: 0.68rem;
  line-height: 1.4;
}

.segmented-control {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-small);
}

.segmented-control label {
  position: relative;
  min-width: 0;
  border-left: 1px solid var(--line-strong);
}

.segmented-control label:first-child {
  border-left: 0;
}

.segmented-control input {
  position: absolute;
  width: 1px;
  height: 1px;
  min-height: 0;
  opacity: 0;
}

.segmented-control span {
  display: grid;
  min-height: 42px;
  padding: 0.45rem 0.3rem;
  place-items: center;
  background: var(--paper-raised);
  color: var(--ink-soft);
  font-size: 0.67rem;
  font-weight: 700;
  text-align: center;
}

.segmented-control input:checked + span {
  background: var(--forest);
  color: white;
}

.segmented-control input:focus-visible + span {
  box-shadow: inset 0 0 0 3px oklch(75% 0.11 248);
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.65rem 0.9rem;
  border: 1px solid transparent;
  border-radius: var(--radius-small);
  font-size: 0.76rem;
  font-weight: 780;
  line-height: 1.15;
  text-decoration: none;
  transition: background-color 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.button:not(:disabled):active {
  transform: translateY(1px);
}

.button-primary {
  border-color: var(--forest);
  background: var(--forest);
  color: white;
}

.button-primary:hover:not(:disabled) {
  border-color: var(--forest-hover);
  background: var(--forest-hover);
}

.button-secondary {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--forest);
}

.button-secondary:hover:not(:disabled) {
  border-color: var(--forest);
  background: var(--forest-pale);
}

.button-quiet {
  min-height: 38px;
  padding: 0.45rem 0.65rem;
  border-color: var(--line);
  background: transparent;
  color: var(--ink-soft);
}

.button-quiet:hover:not(:disabled) {
  border-color: var(--line-strong);
  color: var(--forest);
}

.button-danger-quiet {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--coral);
}

.button-danger-quiet:hover:not(:disabled) {
  border-color: var(--coral);
  background: var(--coral-soft);
}

.button-block {
  width: 100%;
}

.result-count {
  margin: 0;
  color: var(--ink-faint);
  font-size: 0.73rem;
  text-align: right;
}

.boundary-note {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin: 0 -1px 1rem;
  padding: 0.75rem;
  border: 1px solid oklch(86% 0.04 248);
  background: var(--blue-soft);
  color: oklch(37% 0.07 248);
}

.boundary-note svg {
  flex: 0 0 auto;
  margin-top: 0.1rem;
}

.boundary-note p {
  margin: 0;
  font-size: 0.73rem;
  line-height: 1.45;
}

.results-list {
  display: grid;
}

.record-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  padding: 1.2rem 0;
  border-top: 1px solid var(--line);
}

.record-row:first-child {
  border-top: 0;
}

.record-row:hover .record-title {
  color: var(--forest);
}

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

.record-overline,
.record-meta,
.record-provenance {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.55rem;
}

.record-overline {
  margin-bottom: 0.5rem;
}

.record-id {
  color: var(--ink-faint);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.evidence-tag,
.count-badge,
.integrity-chip,
.model-badge,
.state {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: max-content;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 99px;
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1;
}

.evidence-tag {
  padding: 0.3rem 0.45rem;
  background: var(--paper-soft);
  color: var(--ink-soft);
}

.evidence-tag.answerable {
  border-color: oklch(78% 0.055 151);
  background: var(--forest-soft);
  color: var(--forest);
}

.record-title {
  margin-bottom: 0.45rem;
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.32;
  transition: color 150ms ease;
}

.record-authors {
  display: -webkit-box;
  overflow: hidden;
  margin-bottom: 0.55rem;
  color: var(--ink-soft);
  font-size: 0.76rem;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.record-meta,
.record-provenance {
  color: var(--ink-faint);
  font-size: 0.68rem;
}

.record-meta span + span::before,
.record-provenance span + span::before {
  margin-right: 0.55rem;
  color: var(--line-strong);
  content: "·";
}

.record-actions {
  display: grid;
  width: 86px;
  align-content: start;
  gap: 0.45rem;
}

.record-actions .button {
  width: 100%;
}

.empty-state,
.error-state,
.answer-placeholder {
  padding: 3.5rem 1rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  text-align: center;
}

.empty-state.roomy {
  min-height: 360px;
  display: grid;
  align-content: center;
  justify-items: center;
}

.empty-state p,
.answer-placeholder p {
  max-width: 440px;
  margin: 0 auto 1.2rem;
}

.empty-mark {
  display: grid;
  width: 2.8rem;
  height: 2.8rem;
  margin: 0 auto 1rem;
  place-items: center;
  border: 1px solid var(--line-strong);
  color: var(--forest);
  font-family: var(--serif);
  font-size: 1.5rem;
}

.error-state {
  border: 1px solid oklch(80% 0.06 28);
  background: var(--coral-soft);
  color: var(--coral);
}

.inspector-panel {
  overflow: hidden;
  max-height: calc(100vh - 112px);
  overflow-y: auto;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.inspector-empty,
.inspector-content {
  padding: 1.5rem;
}

.folio {
  display: block;
  margin-bottom: 2.5rem;
  color: var(--line-strong);
  font-family: var(--serif);
  font-size: 3.5rem;
  font-style: italic;
  line-height: 1;
}

.inspector-empty p:last-child {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.inspector-head {
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--line);
}

.inspector-head .record-title {
  margin-top: 0.75rem;
  font-size: 1.3rem;
}

.inspector-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-top: 1rem;
}

.fact-list {
  margin: 0;
}

.fact-list > div {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.fact-list dt {
  margin-bottom: 0.25rem;
  color: var(--ink-faint);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fact-list dd {
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--ink-soft);
  font-size: 0.76rem;
  line-height: 1.5;
}

.fact-list dd strong {
  color: var(--ink);
}

.boundary-box {
  margin-top: 1rem;
  padding: 0.9rem;
  border-left: 3px solid var(--amber);
  background: var(--amber-soft);
  color: oklch(37% 0.055 72);
  font-size: 0.73rem;
}

.boundary-box strong {
  display: block;
  margin-bottom: 0.25rem;
}

.model-badge {
  justify-self: end;
  gap: 0.5rem;
  padding: 0.7rem 0.85rem;
  border-color: var(--line-strong);
  background: var(--paper-raised);
  color: var(--forest);
  font-size: 0.72rem;
}

.model-badge span {
  font-family: var(--serif);
  font-size: 1.25rem;
}

.evidence-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.85fr) minmax(480px, 1.15fr);
  gap: clamp(1rem, 3vw, 3rem);
  align-items: start;
}

.count-badge,
.integrity-chip {
  padding: 0.45rem 0.6rem;
  background: var(--paper-soft);
  color: var(--ink-soft);
}

.integrity-chip {
  border-color: oklch(78% 0.055 151);
  background: var(--forest-soft);
  color: var(--forest);
}

.packet-list {
  display: grid;
  gap: 1px;
  background: var(--line);
}

.packet-card {
  padding: 1.2rem;
  background: var(--paper-raised);
}

.packet-card.is-selected {
  box-shadow: inset 3px 0 0 var(--forest);
}

.packet-card h3 {
  margin: 0.6rem 0 0.35rem;
  font-family: var(--serif);
  font-size: 1.08rem;
}

.packet-card > p {
  margin-bottom: 0.85rem;
  color: var(--ink-faint);
  font-size: 0.72rem;
}

.attribution-details {
  margin-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.7rem;
}

.attribution-details summary {
  padding: 0.8rem 0 0;
  color: var(--forest);
  font-weight: 750;
}

.attribution-body {
  padding-top: 0.7rem;
}

.attribution-body p {
  margin-bottom: 0.55rem;
  line-height: 1.5;
}

.attribution-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  align-items: center;
}

.external-link {
  color: var(--forest);
  font-weight: 700;
  overflow-wrap: anywhere;
  text-underline-offset: 0.18em;
}

.external-link:hover {
  color: var(--forest-hover);
}

.prompt-list {
  display: grid;
  gap: 0.4rem;
}

.prompt-button {
  width: 100%;
  min-height: 42px;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  background: transparent;
  color: var(--ink-soft);
  font-size: 0.7rem;
  text-align: left;
}

.prompt-button:hover {
  border-color: var(--forest);
  background: var(--forest-pale);
  color: var(--forest);
}

.comparison-card {
  margin-top: 1px;
  padding: 1.2rem;
  border-left: 3px solid var(--blue);
  background: var(--blue-soft);
}

.comparison-card p {
  margin: 0.4rem 0 0.8rem;
  color: oklch(40% 0.065 248);
  font-size: 0.72rem;
}

.ask-studio {
  min-height: 600px;
}

.ask-form {
  padding: 1.15rem;
  border: 1px solid var(--line);
  background: var(--paper-soft);
}

.ask-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.ask-actions p {
  margin: 0;
  color: var(--ink-faint);
  font-size: 0.68rem;
}

.answer-placeholder {
  border-top: 0;
}

.answer-panel {
  margin-top: 1.25rem;
  border: 1px solid var(--line);
  background: var(--paper-raised);
}

.answer-header {
  padding: 1.2rem;
  border-bottom: 1px solid var(--line);
}

.answer-header p {
  margin: 0.45rem 0 0;
  color: var(--ink-faint);
  font-size: 0.72rem;
}

.answer-section {
  padding: 1.2rem;
  border-bottom: 1px solid var(--line);
}

.answer-section:last-child {
  border-bottom: 0;
}

.claim-list,
.citation-list {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.claim-row {
  display: grid;
  grid-template-columns: minmax(92px, 0.25fr) minmax(0, 1fr);
  gap: 0.85rem;
  padding: 0.8rem 0;
  border-top: 1px solid var(--line);
}

.claim-row:first-child {
  border-top: 0;
}

.claim-label {
  color: var(--forest);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.65rem;
  font-weight: 750;
  overflow-wrap: anywhere;
}

.claim-row p {
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 0.95rem;
  line-height: 1.52;
}

.answer-section.boundaries {
  background: var(--amber-soft);
}

.citation-list li {
  display: grid;
  grid-template-columns: minmax(115px, 0.3fr) minmax(0, 1fr);
  gap: 0.6rem;
  color: var(--ink-soft);
  font-size: 0.7rem;
}

.citation-list code {
  color: var(--forest);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  overflow-wrap: anywhere;
}

.refusal-panel {
  border-color: oklch(80% 0.06 28);
  background: var(--coral-soft);
}

.refusal-panel .answer-header {
  border-bottom-color: oklch(84% 0.045 28);
}

.refusal-code {
  color: var(--coral);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.68rem;
}

.recovery-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.workspace-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 390px);
  gap: clamp(1rem, 3vw, 3rem);
  align-items: start;
}

.saved-list {
  display: grid;
}

.saved-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.55fr);
  gap: 1.25rem;
  padding: 1.3rem 0;
  border-top: 1px solid var(--line);
}

.saved-card:first-child {
  border-top: 0;
}

.saved-card h3 {
  margin: 0.55rem 0 0.35rem;
  font-family: var(--serif);
  font-size: 1.08rem;
}

.saved-card p {
  margin-bottom: 0.8rem;
  color: var(--ink-faint);
  font-size: 0.72rem;
}

.saved-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.note-field label {
  display: block;
  margin-bottom: 0.4rem;
}

.note-field textarea {
  min-height: 105px;
  font-size: 0.76rem;
}

.export-panel {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-top: 2px solid var(--ink);
  background: var(--paper-raised);
}

.export-panel > p {
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.question-card {
  margin: 1.25rem 0;
  padding: 1rem;
  background: var(--paper-soft);
}

.export-options {
  display: grid;
  gap: 0;
  margin-bottom: 1rem;
}

.export-options legend {
  margin-bottom: 0.55rem;
}

.export-options label {
  position: relative;
  display: flex;
  min-width: 0;
  align-items: center;
  padding: 0.75rem 0;
  border-top: 1px solid var(--line);
}

.export-options input {
  width: 1rem;
  height: 1rem;
  min-height: 0;
  margin: 0 0.65rem 0 0;
  accent-color: var(--forest);
}

.export-options span,
.export-options strong,
.export-options small {
  display: block;
}

.export-options strong {
  color: var(--ink);
  font-size: 0.74rem;
}

.export-options small {
  margin-top: 0.15rem;
  color: var(--ink-faint);
  font-size: 0.66rem;
  font-weight: 500;
}

.export-status {
  min-height: 1.4rem;
  margin: 0.65rem 0 0;
  color: var(--ink-faint);
  font-size: 0.7rem;
}

.corpus-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2.5vw, 2rem);
  align-items: start;
}

.metric-board,
.capability-panel,
.diagnostics-panel {
  grid-column: 1 / -1;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-strong);
}

.metric {
  padding: 1.2rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metric:nth-child(4n) {
  border-right: 0;
}

.metric strong,
.metric span {
  display: block;
}

.metric strong {
  margin-bottom: 0.35rem;
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  font-weight: 500;
  letter-spacing: -0.04em;
}

.metric span {
  color: var(--ink-faint);
  font-size: 0.7rem;
}

.bar-list {
  display: grid;
  gap: 0.8rem;
}

.bar-row {
  display: grid;
  grid-template-columns: minmax(120px, 0.65fr) minmax(80px, 1fr) auto;
  gap: 0.65rem;
  align-items: center;
}

.bar-label {
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 0.7rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bar-track {
  height: 7px;
  overflow: hidden;
  background: var(--paper-soft);
}

.bar-fill {
  display: block;
  height: 100%;
  background: var(--forest);
  transform-origin: left;
}

.bar-fill[data-width-step="1"] { width: 5%; }
.bar-fill[data-width-step="2"] { width: 10%; }
.bar-fill[data-width-step="3"] { width: 15%; }
.bar-fill[data-width-step="4"] { width: 20%; }
.bar-fill[data-width-step="5"] { width: 25%; }
.bar-fill[data-width-step="6"] { width: 30%; }
.bar-fill[data-width-step="7"] { width: 35%; }
.bar-fill[data-width-step="8"] { width: 40%; }
.bar-fill[data-width-step="9"] { width: 45%; }
.bar-fill[data-width-step="10"] { width: 50%; }
.bar-fill[data-width-step="11"] { width: 55%; }
.bar-fill[data-width-step="12"] { width: 60%; }
.bar-fill[data-width-step="13"] { width: 65%; }
.bar-fill[data-width-step="14"] { width: 70%; }
.bar-fill[data-width-step="15"] { width: 75%; }
.bar-fill[data-width-step="16"] { width: 80%; }
.bar-fill[data-width-step="17"] { width: 85%; }
.bar-fill[data-width-step="18"] { width: 90%; }
.bar-fill[data-width-step="19"] { width: 95%; }
.bar-fill[data-width-step="20"] { width: 100%; }

.bar-count {
  min-width: 2rem;
  color: var(--ink-faint);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.65rem;
  text-align: right;
}

.capability-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
}

.capability-list > div {
  min-width: 0;
  padding: 1rem;
  border-right: 1px solid var(--line);
}

.capability-list > div:last-child {
  border-right: 0;
}

.state {
  margin-bottom: 0.75rem;
  padding: 0.35rem 0.5rem;
}

.state-yes {
  border-color: oklch(78% 0.055 151);
  background: var(--forest-soft);
  color: var(--forest);
}

.state-no {
  border-color: oklch(84% 0.045 28);
  background: var(--coral-soft);
  color: var(--coral);
}

.capability-list p,
.capability-list strong,
.capability-list small {
  display: block;
}

.capability-list p {
  margin: 0;
}

.capability-list strong {
  margin-bottom: 0.3rem;
  font-size: 0.75rem;
}

.capability-list small {
  color: var(--ink-faint);
  font-size: 0.67rem;
  line-height: 1.45;
}

.diagnostics-panel {
  padding: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.diagnostics-panel summary {
  padding: 1rem 1.25rem;
  color: var(--ink-soft);
  font-size: 0.75rem;
  font-weight: 750;
}

.diagnostics-panel > div {
  padding: 0 1.25rem 1.25rem;
  color: var(--ink-faint);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.67rem;
  overflow-wrap: anywhere;
}

.guide-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: clamp(1rem, 3vw, 3rem);
  align-items: start;
}

.workflow-panel {
  grid-row: span 2;
}

.workflow-list {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.workflow-list li {
  display: grid;
  grid-template-columns: 55px minmax(0, 1fr);
  gap: 1rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
}

.workflow-list li > span {
  color: var(--line-strong);
  font-family: var(--serif);
  font-size: 1.45rem;
  font-style: italic;
}

.workflow-list strong {
  font-family: var(--serif);
  font-size: 1.05rem;
}

.workflow-list p {
  margin: 0.3rem 0 0;
  color: var(--ink-soft);
  font-size: 0.76rem;
}

.definitions-panel dl {
  margin: 1.25rem 0 0;
}

.definitions-panel dt {
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  font-family: var(--serif);
  font-weight: 650;
}

.definitions-panel dd {
  margin: 0.25rem 0 0.85rem;
  color: var(--ink-soft);
  font-size: 0.73rem;
}

.limitations-panel {
  border-top-color: var(--coral);
  background: var(--coral-soft);
}

.limitations-panel ul {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: oklch(36% 0.045 28);
  font-size: 0.75rem;
}

.limitations-panel li + li {
  margin-top: 0.45rem;
}

.privacy-panel {
  border-top-color: var(--blue);
  background: var(--blue-soft);
}

.privacy-panel p {
  margin: 1rem 0 0;
  color: oklch(37% 0.06 248);
  font-size: 0.75rem;
}

.metadata-notice-panel {
  border-top-color: var(--forest);
  background: var(--forest-pale);
}

.metadata-notice-panel p {
  margin: 1rem 0 0;
  color: var(--ink-soft);
  font-size: 0.75rem;
}

.research-heading {
  margin-bottom: 1.5rem;
}

.research-heading > div {
  min-width: 0;
}

.model-disclosure {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
  margin-bottom: 2rem;
  padding: 0.9rem 1rem;
  border: 1px solid oklch(78% 0.055 248);
  background: var(--blue-soft);
  color: oklch(37% 0.06 248);
}

.model-disclosure svg {
  margin-top: 0.15rem;
}

.model-disclosure p {
  max-width: 110ch;
  margin: 0;
  font-size: 0.74rem;
  overflow-wrap: anywhere;
}

.model-disclosure a,
.privacy-panel a {
  color: oklch(36% 0.12 248);
  font-weight: 750;
  text-underline-offset: 0.18em;
}

.research-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(460px, 1.35fr) minmax(230px, 0.6fr);
  gap: clamp(1rem, 2vw, 2rem);
  align-items: start;
}

.research-layout > * {
  min-width: 0;
}

.run-console,
.run-workbench,
.run-history,
.research-packets {
  padding: clamp(1rem, 2vw, 1.5rem);
  border-top: 2px solid var(--ink);
  background: var(--paper-raised);
}

.run-console,
.run-workbench {
  min-height: 650px;
}

.run-history {
  position: sticky;
  top: 92px;
}

.agent-form {
  display: grid;
  gap: 1.15rem;
}

.task-selector,
.scope-options {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-small);
  background: var(--line-strong);
}

.task-selector {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.task-selector label,
.scope-options label {
  position: relative;
  display: block;
  min-width: 0;
  background: var(--paper-raised);
  cursor: pointer;
}

.task-selector input,
.scope-options input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.task-selector label > span,
.scope-options label > span {
  display: grid;
  min-height: 64px;
  align-content: center;
  padding: 0.7rem 0.8rem;
  color: var(--ink-soft);
}

.task-selector label > span {
  min-height: 78px;
}

.task-selector strong,
.scope-options strong,
.task-selector small,
.scope-options small {
  display: block;
}

.task-selector strong,
.scope-options strong {
  color: var(--ink);
  font-size: 0.75rem;
}

.task-selector small,
.scope-options small {
  margin-top: 0.2rem;
  color: var(--ink-faint);
  font-size: 0.64rem;
  line-height: 1.35;
}

.task-selector input:checked + span,
.scope-options input:checked + span {
  background: var(--forest-soft);
  box-shadow: inset 0 -2px 0 var(--forest);
  color: var(--forest);
}

.task-selector input:focus-visible + span,
.scope-options input:focus-visible + span {
  outline: 3px solid oklch(67% 0.14 248 / 0.55);
  outline-offset: -3px;
}

.send-notice {
  margin: -0.45rem 0 0;
  color: var(--ink-faint);
  font-size: 0.65rem;
  line-height: 1.45;
  text-align: center;
}

.send-preview {
  margin: 0;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line);
  background: var(--paper-soft);
  color: var(--ink-soft);
  font-size: 0.7rem;
  line-height: 1.5;
}

.field-error {
  margin: 0.55rem 0 0;
  color: var(--coral);
  font-size: 0.72rem;
  font-weight: 700;
}

.deterministic-desk {
  margin-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.deterministic-desk > summary {
  padding: 1rem 0;
  color: var(--forest);
  font-size: 0.73rem;
  font-weight: 750;
}

.deterministic-body > p {
  color: var(--ink-soft);
  font-size: 0.7rem;
}

.deterministic-answer {
  margin-top: 1rem;
}

.run-stage {
  display: flex;
  min-height: 48px;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line);
  background: var(--paper-soft);
  color: var(--ink-soft);
  font-size: 0.72rem;
}

.run-stage[data-state="working"] .run-stage-mark {
  width: 0.75rem;
  height: 0.75rem;
  border: 2px solid var(--line-strong);
  border-top-color: var(--forest);
  border-radius: 50%;
  animation: run-spin 800ms linear infinite;
}

.run-stage[data-state="complete"] {
  border-color: oklch(78% 0.055 151);
  background: var(--forest-soft);
  color: var(--forest);
}

.run-stage[data-state="fallback"] {
  border-color: oklch(76% 0.07 72);
  background: var(--amber-soft);
  color: oklch(39% 0.09 72);
}

.run-stage[data-state="error"] {
  border-color: oklch(76% 0.08 28);
  background: var(--coral-soft);
  color: oklch(40% 0.1 28);
}

.run-stage-mark {
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  font-weight: 800;
}

@keyframes run-spin {
  to { transform: rotate(360deg); }
}

.research-output {
  border: 1px solid var(--line);
  background: var(--paper-raised);
}

.research-output-header,
.research-section,
.run-trace-body {
  padding: clamp(1rem, 2vw, 1.35rem);
}

.research-output-header,
.research-section {
  border-bottom: 1px solid var(--line);
}

.run-id,
.history-task,
.unit-number {
  color: var(--ink-faint);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.64rem;
  overflow-wrap: anywhere;
}

.research-output-header h3 {
  margin: 0.55rem 0 0.65rem;
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  letter-spacing: -0.025em;
}

.research-summary {
  max-width: 72ch;
  margin-bottom: 1rem;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.58;
}

.output-scope {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink-faint);
  font-size: 0.66rem;
}

.research-units,
.research-text-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.research-unit {
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.research-unit:first-child {
  border-top: 0;
}

.research-unit-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.unit-kind {
  display: inline-flex;
  padding: 0.28rem 0.45rem;
  border: 1px solid oklch(78% 0.055 151);
  border-radius: 99px;
  background: var(--forest-soft);
  color: var(--forest);
  font-size: 0.62rem;
  font-weight: 800;
}

.unit-kind.inference {
  border-color: oklch(78% 0.055 72);
  background: var(--amber-soft);
  color: oklch(42% 0.09 72);
}

.unit-kind.metadata {
  border-color: oklch(78% 0.055 248);
  background: var(--blue-soft);
  color: oklch(39% 0.1 248);
}

.unit-text {
  max-width: 72ch;
  margin: 0.75rem 0 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 0.98rem;
  line-height: 1.58;
}

.unit-citations {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  margin-top: 0.75rem;
}

.unit-citations > span {
  margin-right: 0.15rem;
  color: var(--ink-faint);
  font-size: 0.62rem;
}

.unit-citations code {
  padding: 0.25rem 0.4rem;
  border: 1px solid var(--line);
  background: var(--paper-soft);
  color: var(--forest);
  font-size: 0.62rem;
  overflow-wrap: anywhere;
}

.unit-warning,
.zero-citation-note {
  margin: 0.65rem 0 0;
  color: var(--coral);
  font-size: 0.7rem;
}

.research-text-list {
  display: grid;
  gap: 0.65rem;
  color: var(--ink-soft);
  font-size: 0.75rem;
}

.research-text-list li {
  padding-top: 0.65rem;
  border-top: 1px solid var(--line);
}

.citation-ledger-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--line);
  list-style: none;
}

.citation-ledger-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  padding: 0.85rem;
  background: var(--paper-raised);
}

.citation-ledger-list div,
.citation-ledger-list code,
.citation-ledger-list strong,
.citation-ledger-list span {
  display: block;
  overflow-wrap: anywhere;
}

.citation-ledger-list code {
  margin-bottom: 0.3rem;
  color: var(--forest);
  font-size: 0.62rem;
}

.citation-ledger-list strong {
  font-family: var(--serif);
  font-size: 0.82rem;
}

.citation-ledger-list span {
  margin-top: 0.25rem;
  color: var(--ink-faint);
  font-size: 0.63rem;
}

.citation-ledger-list .citation-claim-text {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 0.76rem;
  line-height: 1.55;
}

.research-section.limitations {
  background: var(--amber-soft);
}

.run-trace {
  background: var(--blue-soft);
}

.run-trace > summary {
  padding: 1rem 1.35rem;
  color: oklch(37% 0.08 248);
  font-weight: 800;
}

.run-trace-body {
  padding-top: 0;
}

.trace-intro,
.trace-policy,
.llama-notice {
  color: oklch(37% 0.06 248);
  font-size: 0.7rem;
}

.trace-facts {
  margin: 1rem 0;
  border-top: 1px solid oklch(78% 0.04 248);
}

.trace-fact {
  display: grid;
  grid-template-columns: minmax(105px, 0.35fr) minmax(0, 1fr);
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid oklch(78% 0.04 248);
}

.trace-fact dt {
  color: oklch(39% 0.08 248);
  font-size: 0.64rem;
  font-weight: 800;
}

.trace-fact dd {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.68rem;
  overflow-wrap: anywhere;
}

.research-refusal {
  padding: 1.35rem;
  border-color: oklch(76% 0.08 28);
  background: var(--coral-soft);
}

.research-refusal h3 {
  margin-top: 0.65rem;
  font-family: var(--serif);
  font-size: 1.35rem;
}

.history-row {
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.history-row:first-child {
  border-top: 0;
}

.history-row h3 {
  margin: 0.4rem 0;
  font-family: var(--serif);
  font-size: 0.95rem;
}

.history-row p {
  display: -webkit-box;
  margin-bottom: 0.55rem;
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 0.68rem;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.history-row time {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--ink-faint);
  font-size: 0.62rem;
}

.history-empty {
  padding: 1rem 0;
  color: var(--ink-faint);
  font-size: 0.72rem;
}

.history-empty p {
  margin: 0;
}

.research-packets {
  margin-top: 2rem;
}

.research-packets .packet-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.toast-region {
  position: fixed;
  z-index: 100;
  right: 1rem;
  bottom: 1rem;
  display: grid;
  width: min(360px, calc(100vw - 2rem));
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  padding: 0.85rem 1rem;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--forest);
  background: var(--paper-raised);
  box-shadow: var(--shadow-large);
  color: var(--ink-soft);
  font-size: 0.74rem;
  animation: toast-in 180ms ease-out both;
}

.toast.error {
  border-left-color: var(--coral);
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.noscript {
  position: fixed;
  z-index: 1000;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  margin: 0;
  padding: 1rem;
  border: 1px solid var(--coral);
  background: var(--coral-soft);
}

[aria-busy="true"] {
  cursor: progress;
}

[aria-busy="true"] > * {
  opacity: 0.7;
}

@media (max-width: 1220px) {
  .topbar {
    grid-template-columns: auto 1fr auto;
  }

  .brand small {
    display: none;
  }

  .library-layout {
    grid-template-columns: minmax(210px, 250px) minmax(440px, 1fr);
  }

  .inspector-panel {
    position: static;
    grid-column: 1 / -1;
    max-height: none;
  }

  .inspector-content {
    display: grid;
    grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
    gap: 1.5rem;
  }

  .capability-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .capability-list > div {
    border-bottom: 1px solid var(--line);
  }

  .research-layout {
    grid-template-columns: minmax(290px, 0.75fr) minmax(460px, 1.25fr);
  }

  .run-history {
    position: static;
    grid-column: 1 / -1;
  }

  #runHistoryList {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 1rem;
  }
}

@media (max-width: 940px) {
  .topbar {
    position: relative;
    grid-template-columns: minmax(0, 1fr) auto;
    row-gap: 0.5rem;
  }

  .primary-nav {
    grid-row: 2;
    grid-column: 1 / -1;
    width: 100%;
    overflow-x: auto;
    border-top: 1px solid var(--line);
  }

  .nav-item {
    flex: 1 0 auto;
  }

  .page-heading {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .scope-summary {
    max-width: 640px;
  }

  .library-layout,
  .evidence-layout,
  .research-layout,
  .workspace-layout,
  .guide-grid {
    grid-template-columns: 1fr;
  }

  .filter-panel,
  .inspector-panel,
  .export-panel {
    position: static;
  }

  .filter-panel {
    order: 0;
  }

  .results-panel {
    order: 1;
  }

  .inspector-panel {
    order: 2;
  }

  .inspector-content {
    display: block;
  }

  .saved-card {
    grid-template-columns: 1fr;
  }

  .metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric:nth-child(2n) {
    border-right: 0;
  }

  .capability-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workflow-panel {
    grid-row: auto;
  }

  .run-history {
    grid-column: auto;
  }

  #runHistoryList {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .research-packets .packet-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 14px;
  }

  .topbar {
    min-height: 64px;
    padding: 0.65rem 0.75rem 0;
  }

  .brand-mark {
    width: 2rem;
    height: 2rem;
  }

  .runtime-pill {
    max-width: 148px;
    overflow: hidden;
    padding: 0.4rem 0.55rem;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .primary-nav {
    margin: 0 -0.75rem;
    width: calc(100% + 1.5rem);
    padding: 0 0.4rem;
  }

  .nav-item {
    min-height: 46px;
    padding: 0.55rem 0.65rem;
    font-size: 0.73rem;
  }

  main {
    min-height: 0;
    padding: 2.2rem 0.75rem 4rem;
  }

  .page-heading {
    margin-bottom: 2.5rem;
  }

  h1,
  .page-heading.compact h1 {
    font-size: clamp(2.45rem, 13vw, 3.6rem);
  }

  .lede {
    font-size: 1rem;
  }

  .scope-summary {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .scope-summary > div {
    padding: 0.85rem 0.45rem;
  }

  .scope-summary strong {
    font-size: 1.6rem;
  }

  .scope-summary span {
    font-size: 0.62rem;
  }

  .filter-panel,
  .results-panel,
  .packet-catalog,
  .ask-studio,
  .workspace-library,
  .metric-board,
  .distribution-panel,
  .capability-panel,
  .workflow-panel,
  .definitions-panel,
  .limitations-panel,
  .run-console,
  .run-workbench,
  .run-history,
  .research-packets,
  .inspector-empty,
  .inspector-content,
  .export-panel {
    padding: 1rem;
  }

  .field-row {
    grid-template-columns: 1fr 1fr;
  }

  .record-row {
    grid-template-columns: 1fr;
  }

  .record-actions {
    display: flex;
    width: 100%;
  }

  .record-actions .button {
    flex: 1;
  }

  .inspector-actions,
  .corpus-grid {
    grid-template-columns: 1fr;
  }

  .metric-board,
  .capability-panel,
  .diagnostics-panel {
    grid-column: auto;
  }

  .ask-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .ask-actions .button {
    width: 100%;
  }

  .claim-row,
  .citation-list li {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }

  .capability-list {
    grid-template-columns: 1fr;
  }

  .capability-list > div {
    border-right: 0;
  }

  .bar-row {
    grid-template-columns: minmax(100px, 0.8fr) minmax(60px, 1fr) auto;
  }

  .model-badge {
    justify-self: start;
  }

  .task-selector {
    grid-template-columns: 1fr;
  }

  #runHistoryList {
    grid-template-columns: 1fr;
  }

  .trace-fact {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .model-disclosure {
    grid-template-columns: 1fr;
  }

  .citation-ledger-list li {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 390px) {
  h1,
  .page-heading.compact h1 {
    font-size: clamp(2.25rem, 11vw, 2.65rem);
  }

  .brand strong {
    font-size: 0.98rem;
  }

  .runtime-pill {
    max-width: 124px;
    font-size: 0.66rem;
  }

  .segmented-control {
    grid-template-columns: 1fr;
  }

  .segmented-control label {
    border-top: 1px solid var(--line-strong);
    border-left: 0;
  }

  .segmented-control label:first-child {
    border-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}