:root {
  color-scheme: light;
  --paper: #f4f6f8;
  --surface: #ffffff;
  --surface-soft: #f8fafb;
  --ink: #17202a;
  --ink-soft: #4f5b67;
  --ink-faint: #6d7883;
  --line: #d8dee5;
  --line-strong: #b9c2cc;
  --blue: #2457d6;
  --blue-soft: #eaf0ff;
  --green: #16735a;
  --green-soft: #e8f5ef;
  --amber: #9a620f;
  --amber-soft: #fff4dc;
  --red: #b33045;
  --red-soft: #fff0f2;
  --body: Inter, "Avenir Next", "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --radius: 12px;
  --radius-sm: 8px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body[data-page="overview"] .demo-only,
body[data-page="demo"] .overview-only {
  display: none !important;
}

body[data-page="overview"] {
  background: #fff;
}

body[data-page="overview"] footer {
  display: none;
}

body[data-page="overview"] main {
  width: min(1280px, calc(100% - 64px));
}

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

button,
select {
  cursor: pointer;
}

button:disabled,
select:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid rgba(36, 87, 214, 0.28);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: #fff;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
}

.skip-link:focus {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.site-header {
  min-height: 72px;
  padding: 12px max(24px, calc((100% - 1200px) / 2));
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

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

.brand-mark {
  width: 34px;
  height: 34px;
  padding: 6px;
  border: 1px solid var(--ink);
  display: flex;
  align-items: flex-end;
  gap: 3px;
}

.brand-mark span {
  width: 5px;
  background: var(--blue);
}

.brand-mark span:nth-child(1) {
  height: 8px;
}

.brand-mark span:nth-child(2) {
  height: 14px;
  background: var(--green);
}

.brand-mark span:nth-child(3) {
  height: 20px;
  background: var(--amber);
}

.brand-copy {
  display: grid;
  line-height: 1.05;
}

.brand-copy strong {
  font-size: 0.9rem;
  letter-spacing: 0.12em;
}

.brand-copy small {
  margin-top: 5px;
  color: var(--ink-soft);
  font-size: 0.72rem;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 18px;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
}

.site-nav a {
  padding: 5px 11px;
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 0.75rem;
  font-weight: 750;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: #fff;
  background: var(--ink);
}

.language-toggle {
  min-height: 32px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
  display: inline-flex;
  align-items: center;
  gap: 3px;
  color: var(--ink-faint);
  white-space: nowrap;
}

.language-toggle button {
  padding: 2px 4px;
  border: 0;
  background: transparent;
  color: var(--ink-faint);
  font-size: 0.7rem;
  font-weight: 700;
}

.language-toggle button:hover,
.language-toggle button.active {
  color: var(--blue);
}

.model-identity {
  display: grid;
  min-width: 280px;
  line-height: 1.25;
}

.model-identity span,
.model-identity small {
  color: var(--ink-faint);
  font-size: 0.68rem;
}

.model-identity strong {
  margin: 2px 0;
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 650;
}

.service-state {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--ink-soft);
  font-size: 0.72rem;
  white-space: nowrap;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
}

.service-state.online .status-dot {
  background: var(--green);
}

.service-state.offline .status-dot {
  background: var(--red);
}

main,
footer {
  width: min(1200px, calc(100% - 48px));
  margin-inline: auto;
}

.performance-hero {
  display: grid;
  justify-items: center;
  padding: clamp(3rem, 6vw, 5.5rem) 0 2.25rem;
  text-align: center;
}

.performance-hero-copy h1,
.performance-hero-copy p,
.landing-cta h2,
.landing-cta p {
  margin: 0;
}

.performance-hero-copy h1 {
  max-width: 18ch;
  margin-top: 0.55rem;
  font-size: clamp(3rem, 6.2vw, 5.6rem);
  font-weight: 620;
  line-height: 1.02;
  letter-spacing: -0.065em;
}

.performance-hero-copy > p:not(.eyebrow) {
  max-width: 50rem;
  margin: 1.15rem auto 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
}

.performance-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 1.5rem;
}

.performance-actions a,
.landing-cta > a {
  min-height: 44px;
  text-decoration: none;
}

.performance-actions .secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

body[data-page="overview"] .performance-actions .primary-button {
  border-color: #111;
  background: #111;
}

body[data-page="overview"] .performance-actions .primary-button:hover {
  border-color: #303030;
  background: #303030;
}

.performance-facts {
  display: grid;
  width: min(920px, 100%);
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 2.25rem 0 0;
  border-block: 1px solid #d6d6d6;
}

.performance-facts > div {
  min-height: 0;
  padding: 0.9rem 1.2rem;
  border-right: 1px solid #e3e3e3;
}

.performance-facts > div:last-child {
  border-right: 0;
}

.performance-facts dt {
  color: var(--ink-faint);
  font-size: 0.76rem;
  font-weight: 700;
}

.performance-facts dd {
  margin: 0.3rem 0 0;
  color: var(--ink);
  font-size: clamp(1.25rem, 2.2vw, 1.8rem);
  font-weight: 650;
  letter-spacing: -0.04em;
}

.landing-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 2rem;
  padding: 2rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
}

.landing-cta h2 {
  margin-top: 0.35rem;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  letter-spacing: -0.035em;
}

.landing-cta p:not(.eyebrow) {
  max-width: 46rem;
  margin-top: 0.6rem;
  color: var(--ink-soft);
}

.footer-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links a {
  text-decoration: none;
}

.compact-intro {
  padding: 36px 0 24px;
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(360px, 1fr);
  align-items: end;
  gap: 36px;
}

.compact-intro h1,
.compact-intro p,
.section-heading h2,
.section-heading p,
.subheading-row h3,
.subheading-row p {
  margin: 0;
}

.compact-intro h1 {
  margin-top: 4px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.compact-intro > p {
  max-width: 650px;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.eyebrow,
.section-index,
.compare-label {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.analysis-input,
.result-panel,
.dataset-showcase {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
}

.analysis-input {
  padding: 24px;
}

.result-panel,
.dataset-showcase {
  margin-top: 22px;
}

.section-heading {
  min-height: 48px;
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.section-heading > div:first-child {
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-heading h2 {
  margin-top: 2px;
  font-size: 1.35rem;
}

.step-number {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  display: inline-grid;
  place-items: center;
  font-weight: 700;
}

.field-group {
  min-width: 0;
}

.field-group + .field-group {
  margin-top: 18px;
}

.field-label-row,
.subheading-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

label,
.field-label-row label {
  display: block;
  margin-bottom: 7px;
  font-weight: 700;
}

.field-label-row label {
  margin-bottom: 0;
}

.field-label-row span,
.field-hint,
.model-note,
.table-caption {
  color: var(--ink-faint);
  font-size: 0.78rem;
}

textarea,
input,
select {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
}

textarea,
input {
  padding: 12px 13px;
}

textarea {
  height: 104px;
  min-height: 104px;
  max-height: 320px;
  margin-top: 8px;
  resize: vertical;
  overflow-y: hidden;
  line-height: 1.65;
}

input,
select {
  min-height: 46px;
}

select {
  padding: 0 38px 0 12px;
  appearance: none;
}

textarea:focus,
input:focus,
select:focus {
  border-color: var(--blue);
  outline: 3px solid rgba(36, 87, 214, 0.12);
}

.field-hint,
.model-note,
.field-error {
  min-height: 19px;
  margin: 6px 0 0;
}

.field-error {
  color: var(--red);
  font-size: 0.8rem;
}

[aria-invalid="true"] {
  border-color: var(--red);
}

.input-options {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 18px;
  margin-top: 18px;
}

.input-options .field-group + .field-group {
  margin-top: 0;
}

.compact-field.question-ignored input:disabled {
  border-style: dashed;
  background: #f3f5f7;
  color: var(--ink-faint);
  cursor: not-allowed;
  opacity: 1;
}

.select-wrap {
  position: relative;
}

.select-wrap > span {
  position: absolute;
  top: 50%;
  right: 13px;
  color: var(--ink-soft);
  pointer-events: none;
  transform: translateY(-50%);
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
}

.primary-button,
.secondary-button,
.text-button,
.copy-redacted-button,
.dataset-nav button,
.raw-toolbar button {
  min-height: 42px;
  padding: 0 15px;
  border-radius: var(--radius-sm);
  font-weight: 700;
}

.primary-button {
  min-width: 190px;
  border: 1px solid var(--blue);
  background: var(--blue);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.primary-button:hover:not(:disabled) {
  background: #1749c4;
}

.secondary-button,
.copy-redacted-button,
.dataset-nav button,
.raw-toolbar button {
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink);
}

.secondary-button:hover:not(:disabled),
.copy-redacted-button:hover:not(:disabled),
.dataset-nav button:hover:not(:disabled),
.raw-toolbar button:hover:not(:disabled) {
  border-color: var(--blue);
  color: var(--blue);
}

.text-button {
  min-height: auto;
  padding: 6px 0;
  border: 0;
  background: transparent;
  color: var(--blue);
}

.button-spinner {
  display: none;
  width: 15px;
  height: 15px;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.primary-button.loading .button-arrow {
  display: none;
}

.primary-button.loading .button-spinner {
  display: block;
}

.keyboard-note {
  margin: 0 0 0 auto;
  color: var(--ink-faint);
  font-size: 0.76rem;
}

kbd {
  min-width: 23px;
  padding: 2px 5px;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: var(--surface-soft);
  font-family: var(--mono);
}

.result-panel {
  overflow: hidden;
}

.result-panel > .section-heading {
  margin: 0;
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
}

.result-metrics {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.result-metrics strong {
  color: var(--ink);
}

.notice {
  margin: 18px 24px 0;
  padding: 13px 14px;
  border-radius: var(--radius-sm);
  display: flex;
  gap: 11px;
}

.notice-error {
  border: 1px solid #efbac3;
  background: var(--red-soft);
  color: var(--red);
}

.notice p {
  margin: 2px 0 0;
}

.notice-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  flex: 0 0 auto;
}

.result-empty,
.result-loading {
  min-height: 320px;
  padding: 36px 24px;
  display: grid;
  place-items: center;
  align-content: center;
  text-align: center;
}

.result-empty h3,
.result-empty p,
.result-loading p {
  margin: 0;
}

.result-empty h3 {
  margin-top: 20px;
}

.result-empty p,
.result-loading p {
  margin-top: 6px;
  color: var(--ink-soft);
}

.empty-compare {
  width: min(620px, 100%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.empty-compare > div {
  min-height: 126px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  text-align: left;
}

.empty-compare strong {
  display: block;
  margin-bottom: 18px;
  color: var(--ink-soft);
}

.empty-compare span {
  display: block;
  height: 7px;
  margin-top: 9px;
  border-radius: 4px;
  background: #e3e8ed;
}

.empty-compare span:nth-of-type(2) {
  width: 78%;
}

.empty-compare span:nth-of-type(3) {
  width: 58%;
}

.result-loading {
  grid-template-columns: auto auto;
  gap: 14px;
}

.loading-ring {
  width: 32px;
  height: 32px;
  border: 3px solid var(--line);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.85s linear infinite;
}

.result-loading p {
  margin: 0;
  text-align: left;
}

.result-content {
  padding: 22px 24px 24px;
}

.summary-strip {
  display: grid;
  grid-template-columns: 1fr 1fr 0.55fr;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.summary-strip > div {
  min-width: 0;
  padding: 10px 12px;
  border-right: 1px solid var(--line);
  display: grid;
}

.summary-strip > div:last-child {
  border-right: 0;
}

.summary-strip span {
  color: var(--ink-faint);
  font-size: 0.68rem;
}

.summary-strip strong {
  overflow: hidden;
  margin-top: 2px;
  font-family: var(--mono);
  font-size: 0.74rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.derived-redaction-note {
  margin-top: 16px;
  padding: 11px 13px;
  border: 1px solid #bfd0ef;
  border-left: 4px solid var(--blue);
  border-radius: var(--radius-sm);
  background: #f5f8ff;
  display: flex;
  align-items: baseline;
  gap: 10px;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.derived-redaction-note strong {
  flex: 0 0 auto;
  color: var(--blue);
  font-size: 0.72rem;
}

.redaction-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 12px;
}

.compare-pane {
  min-width: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--surface);
}

.after-pane {
  border-color: #a6cdbc;
}

.compare-pane-heading {
  min-height: 68px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.after-pane .compare-pane-heading {
  border-bottom-color: #c7dfd5;
  background: var(--green-soft);
}

.compare-pane-heading h3,
.compare-pane-heading span {
  margin: 0;
}

.compare-pane-heading h3 {
  margin-top: 1px;
  font-size: 1.02rem;
}

.compare-pane-heading > span {
  color: var(--ink-faint);
  font-size: 0.75rem;
}

.copy-redacted-button {
  min-height: 34px;
  padding-inline: 11px;
  border-color: #8cbca7;
  background: var(--surface);
  color: var(--green);
  font-size: 0.76rem;
}

.annotated-context,
.redacted-context {
  min-height: 250px;
  max-height: 520px;
  padding: 20px;
  overflow: auto;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.9rem;
  line-height: 1.85;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.redacted-context {
  background: #fbfefd;
}

.entity-mark,
.masked-token {
  display: inline;
  margin: 0 1px;
  padding: 1px 4px;
  border-radius: 4px;
  font: inherit;
  line-height: inherit;
  vertical-align: baseline;
}

.entity-mark {
  border: 0;
  border-bottom: 2px solid var(--blue);
  background: var(--blue-soft);
  color: var(--ink);
}

.entity-mark.relevance-unrelated {
  border-bottom-color: var(--line-strong);
  background: #eef1f4;
}

.entity-mark.relevance-unknown {
  border-bottom-color: var(--amber);
  background: var(--amber-soft);
}

.masked-token {
  border: 1px solid #8cbca7;
  background: var(--green-soft);
  color: #0b5c45;
  font-weight: 750;
}

.entity-mark:hover,
.entity-mark.active,
.masked-token:hover,
.masked-token.active {
  outline: 2px solid var(--ink);
  outline-offset: 1px;
}

.mask-warning {
  margin: 12px 0 0;
  padding: 11px 13px;
  border: 1px solid #e2bd73;
  border-radius: var(--radius-sm);
  background: var(--amber-soft);
  color: #6f470a;
  font-size: 0.8rem;
}

.model-output-card {
  min-width: 0;
  margin-top: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.model-output-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.model-output-heading h3,
.model-output-heading p,
.model-output-description {
  margin: 0;
}

.model-output-heading h3 {
  margin-top: 2px;
  font-size: 1rem;
}

.binary-relevance-note {
  max-width: 460px;
  padding: 7px 9px;
  border-radius: 6px;
  background: var(--blue-soft);
  color: #163f9b;
  font-size: 0.75rem;
}

.model-output-description {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.model-output-card pre {
  width: 100%;
  max-width: 100%;
  max-height: 300px;
  margin: 12px 0 0;
  padding: 14px;
  overflow: auto;
  border-radius: 6px;
  background: #111820;
  color: #e9edf2;
  font: 0.76rem/1.6 var(--mono);
}

.entity-evidence-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 14px;
  margin-top: 18px;
}

.entity-section,
.evidence-rail {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.subheading-row {
  align-items: flex-end;
  margin-bottom: 12px;
}

.subheading-row h3 {
  margin-top: 2px;
  font-size: 1rem;
}

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

.entity-row {
  min-height: 56px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: minmax(170px, 1fr) minmax(110px, 0.55fr) minmax(120px, 0.7fr);
  align-items: center;
  gap: 12px;
}

#resultContent[data-task="static_redaction"] .entity-row {
  grid-template-columns: minmax(170px, 1fr) minmax(150px, 0.7fr);
}

#resultContent[data-task="static_redaction"] .entity-mark.relevance-unknown {
  border-bottom-color: var(--blue);
  background: var(--blue-soft);
}

.entity-row.active {
  background: var(--blue-soft);
}

.entity-row.unmatched {
  padding-inline: 8px;
  background: var(--amber-soft);
  box-shadow: inset 3px 0 0 #d4992e;
}

.entity-name {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 9px;
}

.entity-name strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.entity-number {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.entity-status {
  flex: 0 0 auto;
  padding: 2px 6px;
  border: 1px solid #d9ad58;
  border-radius: 999px;
  color: #6f470a;
  font-size: 0.65rem;
  font-weight: 700;
}

.type-chip {
  width: fit-content;
  max-width: 100%;
  padding: 3px 7px;
  border-radius: 999px;
  background: #eef1f4;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.68rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.relevance-cell {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 0.74rem;
}

.relevance-badge {
  width: fit-content;
  padding: 3px 8px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: #eef1f4;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  white-space: nowrap;
}

.relevance-badge.relevance-related,
.evidence-card-score.relevance-related {
  border-color: #a7b9ed;
  background: var(--blue-soft);
  color: #163f9b;
}

.relevance-badge.relevance-unknown,
.evidence-card-score.relevance-unknown {
  border-color: #d9ad58;
  background: var(--amber-soft);
  color: #6f470a;
}

.rail-track {
  display: grid;
  gap: 8px;
}

.evidence-card {
  width: 100%;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  color: var(--ink);
  text-align: left;
  display: grid;
  gap: 4px;
}

.evidence-card:hover:not(:disabled),
.evidence-card.active {
  border-color: var(--blue);
  background: var(--blue-soft);
}

.evidence-card.unmatched,
.evidence-card.unmatched:disabled {
  border-color: #d9ad58;
  background: var(--amber-soft);
  opacity: 1;
}

.evidence-card-header {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.66rem;
}

.evidence-card-score {
  padding: 2px 6px;
  border-radius: 999px;
}

.evidence-card strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.evidence-card small {
  color: var(--ink-soft);
}

.entity-empty,
.rail-empty {
  margin: 0;
  padding: 18px 0;
  color: var(--ink-soft);
}

.raw-details {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.raw-details summary {
  padding: 12px 14px;
  background: var(--surface-soft);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
}

.summary-action {
  color: var(--blue);
}

.raw-toolbar {
  padding: 8px 12px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.raw-toolbar button {
  min-height: 30px;
  padding-inline: 9px;
}

.raw-details pre {
  max-height: 360px;
  margin: 0;
  padding: 14px;
  overflow: auto;
  background: #111820;
  color: #e9edf2;
  font: 0.76rem/1.6 var(--mono);
}

.dataset-heading {
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
}

.dataset-heading h2,
.dataset-heading p {
  margin: 0;
}

.dataset-heading h2 {
  margin: 3px 0 5px;
  font-size: 1.35rem;
}

.dataset-heading > div:first-child > p:last-child {
  color: var(--ink-soft);
}

.dataset-counts {
  display: grid;
  grid-template-columns: repeat(4, minmax(78px, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.dataset-counts > div {
  min-width: 78px;
  padding: 9px 11px;
  border-right: 1px solid var(--line);
  display: grid;
}

.dataset-counts > div:last-child {
  border-right: 0;
}

.dataset-counts strong {
  font-size: 1rem;
}

.dataset-counts span {
  color: var(--ink-faint);
  font-size: 0.68rem;
}

.dataset-browser {
  padding: 20px 24px 24px;
}

.dataset-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.dataset-controls label {
  margin: 0;
  font-size: 0.78rem;
}

.dataset-controls select {
  width: auto;
  min-width: 130px;
  min-height: 40px;
}

.dataset-controls > span {
  color: var(--ink-faint);
  font-size: 0.78rem;
}

.dataset-nav {
  margin-left: auto;
  display: flex;
  gap: 7px;
}

.dataset-nav button {
  min-height: 38px;
  padding-inline: 12px;
}

.dataset-record {
  margin-top: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(220px, 0.75fr);
  gap: 16px;
}

.dataset-record > div:last-child {
  grid-column: 1 / -1;
}

.dataset-record > div > span {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.68rem;
}

.dataset-record p {
  margin: 6px 0 0;
  white-space: pre-wrap;
}

.dataset-labels {
  margin-top: 7px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.dataset-labels span {
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  font-family: var(--mono);
  font-size: 0.68rem;
}

.dataset-labels span.relevance-related {
  border-color: #a7b9ed;
  background: var(--blue-soft);
}

.dataset-labels span.relevance-unknown {
  border-color: #d9ad58;
  background: var(--amber-soft);
}

.dataset-footer {
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.dataset-provenance {
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  color: var(--ink-faint);
  font-size: 0.72rem;
}

.dataset-provenance a {
  color: var(--blue);
  font-weight: 700;
}

footer {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--ink-faint);
  font-size: 0.78rem;
}

footer a {
  color: var(--blue);
}

.toast {
  position: fixed;
  z-index: 80;
  right: 18px;
  bottom: 18px;
  max-width: min(380px, calc(100% - 36px));
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: #fff;
  box-shadow: 0 10px 30px rgba(23, 32, 42, 0.2);
}

.noscript-message {
  position: fixed;
  inset: auto 16px 16px;
  padding: 12px;
  border: 1px solid #efbac3;
  border-radius: var(--radius-sm);
  background: var(--red-soft);
  color: var(--red);
}

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

@media (max-width: 900px) {
  .model-identity {
    min-width: 0;
  }

  .compact-intro {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .performance-hero {
    gap: 0;
    padding-top: 3.5rem;
  }

  .performance-hero-copy h1 {
    max-width: 18ch;
  }

  .input-options,
  .redaction-compare,
  .entity-evidence-layout,
  .dataset-heading,
  .dataset-record {
    grid-template-columns: 1fr;
  }

  .dataset-record > div:last-child {
    grid-column: auto;
  }

  .annotated-context,
  .redacted-context {
    min-height: 210px;
    max-height: none;
  }

  .dataset-counts {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
    padding: 14px 16px;
  }

  .header-status {
    width: 100%;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px 12px;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: center;
  }

  .site-nav a {
    flex: 1;
    text-align: center;
  }

  .model-identity {
    grid-column: 1 / -1;
    max-width: none;
    text-align: left;
  }

  .model-identity span {
    display: none;
  }

  .model-identity strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .service-state {
    grid-column: 2;
    grid-row: 2;
    justify-self: end;
    min-height: 30px;
    padding-inline: 9px;
  }

  .language-toggle {
    grid-column: 1;
    grid-row: 2;
    justify-self: start;
    padding-inline: 6px;
  }

  body[data-page="overview"] .service-state,
  body[data-page="overview"] .language-toggle {
    grid-row: 1;
  }

  main,
  footer {
    width: min(100% - 24px, 1200px);
  }

  body[data-page="overview"] main {
    width: min(100% - 24px, 1280px);
  }

  .compact-intro {
    padding: 26px 0 18px;
  }

  .performance-hero {
    padding: 2.25rem 0 1.5rem;
  }

  .performance-hero-copy h1 {
    font-size: clamp(2.4rem, 13vw, 3.5rem);
  }

  .performance-actions,
  .performance-actions a {
    width: 100%;
  }

  .performance-actions a {
    justify-content: center;
  }

  .performance-facts > div {
    min-height: 0;
    padding: 0.8rem 0.65rem;
  }

  .performance-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 1.5rem;
  }

  .performance-facts > div:nth-child(2n) {
    border-right: 0;
  }

  .performance-facts > div:nth-child(-n + 2) {
    border-bottom: 1px solid #e3e3e3;
  }

  .landing-cta {
    align-items: stretch;
    flex-direction: column;
    padding: 1.25rem;
  }

  .landing-cta > a {
    width: 100%;
  }

  .compact-intro h1 {
    font-size: 2rem;
  }

  .analysis-input,
  .result-content,
  .dataset-browser {
    padding: 18px;
  }

  .result-panel > .section-heading,
  .dataset-heading {
    padding: 16px 18px;
  }

  .section-heading,
  .result-panel > .section-heading {
    align-items: flex-start;
  }

  .result-panel > .section-heading {
    flex-direction: column;
  }

  .result-metrics {
    width: 100%;
    justify-content: space-between;
  }

  .input-options {
    gap: 0;
  }

  .input-options .field-group + .field-group {
    margin-top: 16px;
  }

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

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .keyboard-note {
    margin: 2px 0 0;
    text-align: center;
  }

  .empty-compare,
  .summary-strip {
    grid-template-columns: 1fr;
  }

  .summary-strip > div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .summary-strip > div:last-child {
    border-bottom: 0;
  }

  .derived-redaction-note,
  .model-output-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .binary-relevance-note {
    max-width: none;
  }

  .model-output-card pre {
    font-size: 0.7rem;
  }

  .compare-pane-heading {
    align-items: flex-start;
  }

  .annotated-context,
  .redacted-context {
    padding: 16px;
    font-size: 0.84rem;
  }

  .entity-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .entity-name {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .entity-name strong,
  .evidence-card strong {
    overflow: visible;
    text-overflow: clip;
    white-space: normal;
    overflow-wrap: anywhere;
  }

  .relevance-cell {
    grid-column: 1 / -1;
    padding-left: 25px;
  }

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

  .dataset-counts > div:nth-child(2) {
    border-right: 0;
  }

  .dataset-counts > div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .dataset-controls {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .dataset-controls label,
  .dataset-controls select,
  .dataset-controls > span,
  .dataset-nav {
    width: 100%;
  }

  .dataset-nav {
    margin-left: 0;
  }

  .dataset-nav button {
    flex: 1;
  }

  .dataset-footer,
  footer {
    align-items: stretch;
    flex-direction: column;
  }

  .footer-links {
    align-items: flex-start;
    flex-direction: column;
  }

  .dataset-footer .secondary-button {
    width: 100%;
  }

  footer {
    padding: 22px 0;
  }

  footer p {
    margin: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* OpenAI-inspired editorial system: restrained, spacious, and data-first. */
:root {
  --paper: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f7f7f5;
  --ink: #0d0d0d;
  --ink-soft: #505050;
  --ink-faint: #737373;
  --line: #e2e2df;
  --line-strong: #cececa;
  --blue: #0d0d0d;
  --blue-soft: #f1f1ef;
  --green: #16735a;
  --green-soft: #edf7f2;
  --body: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --radius: 18px;
  --radius-sm: 12px;
}

body,
body[data-page="overview"] {
  background: #fff;
  color: #0d0d0d;
}

:focus-visible {
  outline-color: rgb(13 13 13 / 28%);
}

.site-header {
  min-height: 64px;
  padding: 0 max(28px, calc((100% - 1380px) / 2));
  border-bottom: 0;
  background: #fff;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  justify-content: initial;
  gap: 28px;
}

.brand {
  gap: 0;
}

.brand-mark,
.brand-copy small,
.model-identity {
  display: none;
}

.brand-copy strong {
  font-size: 1.25rem;
  font-weight: 720;
  letter-spacing: -0.045em;
}

.site-nav {
  justify-self: start;
  gap: 26px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.site-nav a {
  padding: 21px 0 18px;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  color: #292929;
  font-size: 0.82rem;
  font-weight: 540;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  border-bottom-color: #0d0d0d;
  color: #0d0d0d;
  background: transparent;
}

.header-status {
  gap: 10px;
}

.language-toggle {
  min-height: 38px;
  padding: 0 12px;
  border: 0;
  background: #f4f4f2;
}

.language-toggle button {
  color: #686868;
  font-size: 0.75rem;
  font-weight: 560;
}

.language-toggle button:hover,
.language-toggle button.active {
  color: #0d0d0d;
}

.service-state {
  min-height: 38px;
  padding: 0 14px;
  border-color: #0d0d0d;
  background: #0d0d0d;
  color: #fff;
  font-size: 0.75rem;
}

.service-state.offline {
  border-color: #dededb;
  background: #f4f4f2;
  color: #555;
}

main,
footer,
body[data-page="overview"] main {
  width: min(1380px, calc(100% - 64px));
}

.performance-hero {
  min-height: 610px;
  padding: clamp(7rem, 13vh, 9.5rem) 0 4rem;
  align-content: center;
}

.performance-hero .eyebrow,
.compact-intro .eyebrow {
  display: none;
}

.performance-hero-copy h1 {
  max-width: 15ch;
  margin: 0 auto;
  font-size: clamp(3.7rem, 6.5vw, 6.3rem);
  font-weight: 520;
  line-height: 1.01;
  letter-spacing: -0.07em;
}

.performance-hero-copy > p:not(.eyebrow) {
  max-width: 46rem;
  margin-top: 1.6rem;
  color: #575757;
  font-size: clamp(1.02rem, 1.35vw, 1.22rem);
  line-height: 1.55;
}

.performance-actions {
  margin-top: 2rem;
}

.primary-button,
.performance-actions .primary-button,
body[data-page="overview"] .performance-actions .primary-button {
  border-color: #0d0d0d;
  border-radius: 999px;
  background: #0d0d0d;
  color: #fff;
  box-shadow: none;
}

.primary-button:hover,
.performance-actions .primary-button:hover,
body[data-page="overview"] .performance-actions .primary-button:hover {
  border-color: #2a2a2a;
  background: #2a2a2a;
  transform: none;
}

.secondary-button,
.performance-actions .secondary-button {
  border-color: #d4d4d0;
  border-radius: 999px;
  background: #fff;
  color: #1d1d1d;
  box-shadow: none;
}

.secondary-button:hover,
.performance-actions .secondary-button:hover {
  border-color: #bdbdb8;
  background: #f7f7f5;
  transform: none;
}

.performance-facts {
  width: auto;
  max-width: 100%;
  grid-template-columns: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 2.15rem;
  border: 0;
}

.performance-facts > div,
.performance-facts > div:last-child {
  min-height: 40px;
  padding: 9px 15px;
  border: 1px solid #dededb;
  border-radius: 999px;
  display: flex;
  align-items: baseline;
  gap: 7px;
  background: #fff;
}

.performance-facts dt {
  color: #656565;
  font-size: 0.75rem;
  font-weight: 520;
}

.performance-facts dd {
  margin: 0;
  color: #1a1a1a;
  font-size: 0.82rem;
  font-weight: 680;
  letter-spacing: -0.02em;
}

.compact-intro {
  padding: clamp(5.5rem, 11vh, 8rem) 0 2.4rem;
  display: block;
  text-align: center;
}

.compact-intro h1 {
  margin: 0;
  font-size: clamp(3rem, 5.4vw, 5.2rem);
  font-weight: 520;
  line-height: 1.02;
  letter-spacing: -0.065em;
}

.compact-intro > p {
  max-width: 46rem;
  margin: 1.25rem auto 0;
  color: #595959;
  font-size: 1rem;
}

.analysis-input {
  width: min(100%, 1040px);
  margin-inline: auto;
  padding: 18px;
  border-color: #d7d7d3;
  border-radius: 26px;
  box-shadow: 0 1px 2px rgb(0 0 0 / 4%), 0 10px 36px rgb(0 0 0 / 5%);
}

.analysis-input .section-heading {
  min-height: 32px;
  margin: 0 4px 12px;
}

.analysis-input .step-number,
.analysis-input .section-index {
  display: none;
}

.analysis-input .section-heading h2 {
  font-size: 0.9rem;
  font-weight: 610;
}

.text-button {
  color: #0d0d0d;
}

textarea,
input,
select {
  border-color: #d5d5d1;
  border-radius: 14px;
  color: #151515;
  background: #fff;
}

.analysis-input textarea {
  min-height: 104px;
  padding: 18px;
  border: 0;
  border-radius: 18px;
  background: #f7f7f5;
  box-shadow: inset 0 0 0 1px #ebebe8;
}

.analysis-input textarea:focus,
.analysis-input input:focus,
.analysis-input select:focus {
  border-color: #9e9e99;
  box-shadow: 0 0 0 3px rgb(13 13 13 / 8%);
}

.field-label-row span,
.field-hint,
.model-note,
.table-caption {
  color: #777;
}

.form-actions {
  padding-top: 4px;
}

.keyboard-note {
  color: #858585;
}

.result-panel,
.dataset-showcase {
  margin-top: 64px;
  border: 0;
  border-top: 1px solid #0d0d0d;
  border-radius: 0;
  background: #fff;
}

.result-panel > .section-heading,
.dataset-heading {
  border-color: #e2e2df;
  background: #fff;
}

.result-panel .step-number {
  border: 1px solid #0d0d0d;
  background: #fff;
  color: #0d0d0d;
}

.eyebrow,
.section-index,
.compare-label {
  color: #5e5e5e;
}

.result-empty,
.result-loading {
  background: #fafaf8;
}

.empty-compare > div,
.compare-pane,
.model-output-card,
.entity-section,
.evidence-rail,
.dataset-record {
  border-color: #dededb;
  border-radius: 16px;
  box-shadow: none;
}

.after-pane,
.redacted-context,
.model-output-card {
  background: #f7f7f5;
}

.summary-strip,
.derived-redaction-note,
.dataset-controls {
  background: #fafaf8;
}

.entity-mark {
  color: #124e3b;
  background: #e6f3ed;
}

.relevance-badge.relevance-related {
  color: #124e3b;
  background: #e6f3ed;
}

.copy-redacted-button,
.dataset-nav button,
.dataset-footer button,
.raw-toolbar button {
  border-color: #d2d2ce;
  border-radius: 999px;
  background: #fff;
  color: #1b1b1b;
}

.dataset-showcase {
  margin-bottom: 28px;
}

footer {
  border-top: 1px solid #e2e2df;
}

footer a,
.dataset-provenance a {
  color: #0d0d0d;
}

@media (max-width: 760px) {
  .site-header {
    padding: 14px 16px;
    grid-template-columns: 1fr auto;
    gap: 10px 16px;
  }

  .site-nav {
    width: 100%;
    grid-column: 1 / -1;
    order: initial;
    justify-content: flex-start;
    gap: 22px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .site-nav::-webkit-scrollbar {
    display: none;
  }

  .site-nav a {
    flex: initial;
    padding: 8px 0 7px;
    text-align: left;
  }

  .header-status {
    width: auto;
    display: flex;
    grid-template-columns: none;
    gap: 6px;
  }

  .language-toggle,
  .service-state,
  body[data-page="overview"] .service-state,
  body[data-page="overview"] .language-toggle {
    grid-column: auto;
    grid-row: auto;
  }

  .service-state {
    padding-inline: 10px;
  }

  main,
  footer,
  body[data-page="overview"] main {
    width: min(100% - 28px, 1380px);
  }

  .performance-hero {
    min-height: auto;
    padding: 5rem 0 3rem;
  }

  .performance-hero-copy h1,
  .compact-intro h1 {
    font-size: clamp(2.7rem, 13vw, 4.2rem);
  }

  .performance-facts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .performance-facts > div,
  .performance-facts > div:last-child,
  .performance-facts > div:nth-child(-n + 2) {
    min-width: 0;
    justify-content: center;
    border: 1px solid #dededb;
  }

  .compact-intro {
    padding: 4.75rem 0 2rem;
  }

  .analysis-input {
    padding: 14px;
    border-radius: 22px;
  }

  .result-panel,
  .dataset-showcase {
    margin-top: 44px;
  }
}