@charset "UTF-8";
:root {
  color-scheme: dark;
  --canvas: #0b1119;
  --sidebar: #0e151e;
  --panel: #121c28;
  --panel-raised: #172332;
  --border: #263444;
  --text: #edf3f6;
  --muted: #a2b2c3;
  --subtle: #75879a;
  --emerald: #70e4b9;
  --emerald-bg: #12372e;
  --rose: #ff9aa9;
  --rose-bg: #3a202b;
  --amber: #f5ca7a;
  --amber-bg: #382f21;
  --focus: #a5f4d7;
  --radius: 16px;
  font-family: "Segoe UI Variable", "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--canvas);
  color: var(--text);
  line-height: 1.6;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
}
img {
  max-width: 100%;
}
code {
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 0.83em;
  overflow-wrap: anywhere;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1 {
  font-size: clamp(2rem, 3.2vw, 3.25rem);
  line-height: 1.15;
  letter-spacing: -0.045em;
  font-weight: 650;
}
h2 {
  font-size: 1.16rem;
  line-height: 1.4;
  letter-spacing: -0.015em;
  font-weight: 600;
}
h3 {
  font-size: 1rem;
  font-weight: 600;
}
p {
  overflow-wrap: anywhere;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 5px;
  border-radius: 5px;
}
[hidden] {
  display: none !important;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  top: -100px;
  left: 20px;
  padding: 12px 20px;
  background: var(--emerald);
  color: #071e17;
  z-index: 100;
}
.skip-link:focus {
  top: 16px;
}
.app-shell {
  display: grid;
  grid-template-columns: 244px minmax(0, 1fr);
  min-height: 100vh;
}
.sidebar {
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  position: fixed;
  width: 244px;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 32px 20px;
  z-index: 20;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 10px;
  font-size: 1.18rem;
  font-weight: 650;
  letter-spacing: -0.025em;
}
.brand small {
  display: block;
  font-size: 0.56rem;
  letter-spacing: 0.19em;
  color: var(--subtle);
  font-weight: 600;
  margin-top: 1px;
}
.nav-label {
  font-size: 0.65rem;
  font-weight: 650;
  letter-spacing: 0.16em;
  color: var(--subtle);
  margin: 54px 14px 13px;
}
.sidebar nav {
  display: grid;
  gap: 7px;
}
.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 12px 13px;
  border: 1px solid transparent;
  border-radius: 9px;
  font-size: 0.88rem;
  color: var(--muted);
  transition:
    background 0.16s ease,
    color 0.16s ease;
}
.nav-number {
  font:
    11px "Cascadia Code",
    Consolas,
    monospace;
  color: var(--subtle);
}
.nav-arrow {
  margin-left: auto;
  opacity: 0;
}
.sidebar nav a:hover {
  background: #182330;
  color: var(--text);
}
.sidebar nav a[aria-current="page"] {
  background: #16332d;
  border-color: #244c40;
  color: var(--emerald);
}
.sidebar nav a[aria-current="page"] .nav-number {
  color: var(--emerald);
}
.sidebar nav a[aria-current="page"] .nav-arrow {
  opacity: 1;
}
.sidebar-bottom {
  margin-top: auto;
}
.readonly-mark {
  display: flex;
  gap: 10px;
  border-top: 1px solid var(--border);
  padding: 22px 6px;
}
.readonly-mark > span {
  font-size: 22px;
  color: var(--amber);
}
.readonly-mark strong {
  font-size: 0.75rem;
  font-weight: 550;
}
.readonly-mark p {
  font-size: 0.66rem;
  color: var(--subtle);
  margin-top: 3px;
}
.sidebar-caption {
  font-size: 0.66rem;
  line-height: 1.8;
  color: var(--subtle);
  padding: 0 6px;
}
.workspace {
  grid-column: 2;
  min-width: 0;
}
.topbar {
  height: 80px;
  padding: 0 42px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.8rem;
  background: #0d141d;
}
.topbar > p {
  display: flex;
  gap: 15px;
  align-items: center;
  white-space: nowrap;
}
.topbar > p > span:first-child,
.crumb-separator {
  color: var(--subtle);
}
.topbar-status {
  display: flex;
  align-items: center;
  gap: 22px;
}
.topbar-boundary {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.72rem;
}
.menu-button {
  display: none;
}
main {
  max-width: 1600px;
  margin: auto;
  padding: 42px 48px 52px;
}
.page-heading {
  margin-bottom: 30px;
}
.eyebrow {
  font-size: 0.63rem;
  font-weight: 650;
  letter-spacing: 0.17em;
  color: var(--subtle);
  margin-bottom: 13px;
}
.lead {
  max-width: 830px;
  color: var(--muted);
  margin-top: 14px;
  font-size: 0.94rem;
  line-height: 1.75;
}
.label {
  font-size: 0.66rem;
  font-weight: 650;
  letter-spacing: 0.11em;
  color: var(--muted);
}
.muted {
  color: var(--muted);
  font-size: 0.75rem;
}
.pill {
  display: inline-flex;
  gap: 7px;
  align-items: center;
  font-size: 0.64rem;
  line-height: 1.4;
  font-weight: 600;
  padding: 6px 10px;
  border: 1px solid #354354;
  border-radius: 6px;
  white-space: nowrap;
  letter-spacing: 0.015em;
}
.pill.neutral {
  background: #1a2532;
  color: #bdcbd8;
  border-color: #344253;
}
.pill.allow {
  background: var(--emerald-bg);
  color: var(--emerald);
  border-color: #285342;
}
.pill.deny {
  background: var(--rose-bg);
  color: var(--rose);
  border-color: #68404e;
}
.pill.pending {
  background: var(--amber-bg);
  color: var(--amber);
  border-color: #655137;
}
.status-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
  flex: none;
}
.status-dot.pending {
  color: var(--amber);
}
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  min-width: 0;
}
.panel-top {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr 1fr;
  gap: 22px;
  margin-bottom: 22px;
}
.decision-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(115deg, #132b29 0%, #122328 55%, #121c28 100%);
  border-color: #2c4842;
  padding: 29px 31px;
}
.decision-hero:after {
  content: "";
  position: absolute;
  right: -70px;
  top: -92px;
  width: 260px;
  height: 260px;
  border: 1px solid #255046;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.45;
}
.decision-word {
  font-size: 4.2rem;
  line-height: 1.15;
  letter-spacing: -0.06em;
  font-weight: 650;
  margin: 18px 0 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.decision-symbol {
  font-size: 3rem;
  opacity: 0.55;
  margin-right: 8px;
}
.allow-text {
  color: var(--emerald);
}
.deny-text {
  color: var(--rose);
}
.pending-text {
  color: var(--amber);
}
.hero-summary {
  font-size: 1rem;
  color: #c0d6d0;
  line-height: 1.6;
}
.gate-callout {
  margin-top: 23px;
  display: flex;
  gap: 14px;
  align-items: center;
  background: #1d302e;
  border: 1px solid #3b5041;
  border-radius: 10px;
  padding: 14px 17px;
}
.gate-icon {
  font-size: 26px;
  color: var(--amber);
}
.gate-callout strong {
  font-size: 0.83rem;
  color: var(--amber);
  font-weight: 550;
}
.gate-callout p {
  font-size: 0.72rem;
  color: #c0c9bf;
  margin-top: 3px;
}
.gate-arrow {
  margin-left: auto;
  color: var(--amber);
  font-size: 20px;
}
.code-line {
  margin-top: 17px;
  padding-top: 16px;
  border-top: 1px solid #2b413e;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 0.69rem;
  overflow-wrap: anywhere;
}
.code-line span {
  color: #9bb2ae;
}
.code-line strong {
  font-weight: 500;
  color: var(--amber);
}
.candidate-panel {
  padding: 29px 30px;
}
.spaced {
  margin-top: 24px;
}
.commit {
  display: block;
  font-size: 0.72rem;
  color: #c8d6e2;
  line-height: 1.9;
  overflow-wrap: anywhere;
  margin-top: 8px;
}
.facts {
  margin: 18px 0;
}
.facts > div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid #25313f;
  padding: 11px 0;
  font-size: 0.78rem;
}
.facts dt {
  color: var(--muted);
}
.facts dd {
  margin: 0;
  text-align: right;
  max-width: 65%;
  overflow-wrap: anywhere;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.77rem;
  color: var(--emerald);
  font-weight: 550;
}
.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.source-note {
  font-size: 0.69rem;
  color: var(--muted);
  line-height: 1.8;
  margin-top: 15px;
  overflow-wrap: anywhere;
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 26px;
}
.metric {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
  min-width: 0;
}
.metric-value {
  font-size: 1.65rem;
  line-height: 1.3;
  letter-spacing: -0.035em;
  font-weight: 600;
  margin: 10px 0 9px;
}
.metric.allow .metric-value {
  color: var(--emerald);
}
.metric.pending .metric-value {
  color: var(--amber);
}
.metric .muted {
  font-size: 0.68rem;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 22px;
}
.section-heading .eyebrow {
  margin-bottom: 8px;
}
.chain {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 17px;
  padding: 0;
  margin: 0;
}
.chain-step {
  position: relative;
  padding: 17px 16px;
  border: 1px solid #2b3c4b;
  border-radius: 10px;
  background: #14212d;
}
.chain-step:not(:last-child):after {
  content: "→";
  position: absolute;
  right: -15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--subtle);
  font-size: 13px;
}
.chain-step.pending {
  background: #28271f;
  border-color: #544936;
}
.step-number {
  font-size: 0.65rem;
  font-family: Consolas, monospace;
  color: var(--subtle);
}
.chain-step h3 {
  font-size: 0.83rem;
  margin: 9px 0 4px;
}
.chain-step p {
  font-size: 0.65rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 13px;
  min-height: 2.2em;
}
.chain-step .pill {
  padding: 4px 7px;
  font-size: 0.58rem;
}
.bottom-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 20px;
  margin-top: 22px;
}
.feature-link {
  display: flex;
  gap: 19px;
  align-items: center;
  transition: border-color 0.16s;
}
.feature-link:hover {
  border-color: #4b7366;
}
.feature-link h2 {
  font-size: 1rem;
}
.feature-link p,
.quiet-panel p {
  font-size: 0.75rem;
  color: var(--muted);
  margin: 8px 0;
}
.feature-link > span:last-child {
  margin-left: auto;
  color: var(--emerald);
}
.small-symbol {
  width: 45px;
  height: 45px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: #1e3832;
  color: var(--emerald);
  font-size: 24px;
  flex: none;
}
.quiet-panel .text-link {
  margin-top: 4px;
}
.footer {
  max-width: 1600px;
  margin: auto;
  padding: 22px 48px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 0.65rem;
  color: var(--subtle);
}
.footer strong {
  color: var(--muted);
  font-weight: 500;
}
.case-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 22px;
}
.case-choice {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  border-radius: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  transition: border-color 0.16s;
}
.case-choice:hover {
  border-color: #668879;
}
.case-choice[aria-current="true"] {
  border-color: var(--emerald);
  background: #163029;
}
.case-choice[data-case-link="negative"][aria-current="true"] {
  border-color: #d98094;
  background: #2a202a;
}
.case-choice > span:nth-child(2) {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.case-choice strong {
  font-size: 0.87rem;
  font-weight: 550;
}
.case-choice small {
  color: var(--muted);
  font-size: 0.71rem;
}
.case-choice .pill {
  margin-left: auto;
  font-size: 0.58rem;
}
.case-choice-icon {
  font-size: 28px;
}
.fixture-banner {
  padding: 12px 18px;
  background: #28271f;
  border: 1px solid #574a34;
  border-radius: 9px;
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.73rem;
  margin-bottom: 22px;
  color: #d0c5b1;
}
.fixture-banner strong {
  color: var(--amber);
  font-size: 0.63rem;
  letter-spacing: 0.1em;
  flex: none;
}
.case-verdict .decision-word {
  margin: 13px 0;
}
.case-verdict.allow {
  border-color: #2b5f4e;
  background: linear-gradient(130deg, #17322c, #121c28);
}
.case-verdict.deny {
  border-color: #69404d;
  background: linear-gradient(130deg, #34212b, #151e29);
}
.reason-list {
  padding-left: 20px;
  margin: 17px 0;
  color: var(--muted);
  font-size: 0.83rem;
}
.detail-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 22px;
  margin-bottom: 22px;
}
.table-wrap {
  overflow-x: auto;
  margin-top: 16px;
}
table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.78rem;
}
caption {
  text-align: left;
  font-size: 0.68rem;
  color: var(--subtle);
  margin-bottom: 14px;
}
th {
  color: var(--muted);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
td,
th {
  padding: 14px 10px;
  border-bottom: 1px solid #283443;
}
td:first-child,
th:first-child {
  padding-left: 0;
}
td:last-child,
th:last-child {
  padding-right: 0;
}
.severity {
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.severity.deny {
  color: var(--rose);
}
.severity.pending {
  color: var(--amber);
}
.file-cell code {
  display: block;
  max-width: 350px;
}
.file-cell > span {
  font-size: 0.64rem;
  color: var(--subtle);
}
.boundary-panel {
  border-color: #554a36;
  background: linear-gradient(120deg, #26261f, #161e26);
}
.boundary-mark {
  font-size: 30px;
  color: var(--amber);
  display: block;
  margin-bottom: 10px;
}
.boundary-panel h2 {
  font-size: 1.4rem;
  margin-bottom: 14px;
}
.boundary-panel > p:not(.eyebrow) {
  font-size: 0.83rem;
  line-height: 1.9;
  color: #c6c4b8;
  margin-bottom: 17px;
}
.boundary-panel .code-line {
  margin: 20px 0;
  border-color: #484736;
}
.binding-list {
  margin: 22px 0 0;
}
.binding-list > div {
  padding: 15px 0;
  border-top: 1px solid var(--border);
}
.binding-list dt {
  color: var(--muted);
  font-size: 0.72rem;
}
.binding-list dd {
  margin: 7px 0 0;
  font-size: 0.83rem;
  overflow-wrap: anywhere;
}
.binding-list code {
  font-size: 0.76rem;
}
.chain-feature {
  margin-bottom: 22px;
  padding: 30px;
}
.chain-feature .chain-step {
  padding: 24px 20px;
}
.chain-feature .chain-step h3 {
  font-size: 1rem;
}
.chain-feature .chain-step p {
  font-size: 0.74rem;
}
.boundary-divider {
  display: grid;
  grid-template-columns: 4fr 1fr;
  gap: 18px;
  color: var(--muted);
  font-size: 0.65rem;
  margin-top: 23px;
}
.boundary-divider span {
  padding-top: 12px;
  border-top: 1px solid #35554c;
}
.boundary-divider span:last-child {
  color: var(--amber);
  border-color: #695538;
}
.rule-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  margin-top: 24px;
}
.rule-grid article > span {
  font-size: 0.61rem;
  letter-spacing: 0.1em;
}
.rule-grid h3 {
  margin: 9px 0;
}
.rule-grid p {
  font-size: 0.78rem;
  color: var(--muted);
}
.research-metrics {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}
.research-limit {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 19px 23px;
  border: 1px solid #5c503a;
  border-radius: 10px;
  background: #26251f;
  margin-bottom: 24px;
  font-size: 0.8rem;
  color: #c9c4b6;
}
.research-limit > span {
  color: var(--amber);
  font-size: 20px;
}
.research-limit strong {
  color: #f0d49e;
  font-weight: 550;
}
.scenario-table {
  font-size: 0.75rem;
}
.scenario-table td:first-child {
  font-weight: 500;
}
.row-index {
  color: var(--subtle);
  font-size: 0.65rem;
  margin-right: 17px;
  font-family: Consolas, monospace;
}
.scenario-table td:nth-child(3) {
  color: var(--muted);
  font-size: 0.68rem;
}
.scenario-table td:last-child {
  white-space: nowrap;
}
.scenario-table td:last-child > strong {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--emerald);
}
.result-track {
  display: inline-block;
  width: 64px;
  height: 4px;
  background: #253c34;
  border-radius: 4px;
  vertical-align: middle;
  margin-right: 14px;
}
.result-track i {
  display: block;
  width: 100%;
  height: 100%;
  background: #67d6ae;
  border-radius: 4px;
}
.provenance-panel {
  margin-top: 22px;
}
.audit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-bottom: 22px;
}
.audit-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.audit-card > p:not(.eyebrow) {
  font-size: 0.83rem;
  color: var(--muted);
  margin: 14px 0 22px;
  max-width: 550px;
}
.audit-card .text-link {
  margin-top: auto;
}
.merge-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.merge-grid > article {
  display: flex;
  gap: 18px;
  min-width: 0;
}
.merge-grid > article > div {
  min-width: 0;
}
.source-logo {
  display: grid;
  place-items: center;
  background: #22303e;
  border: 1px solid #344454;
  border-radius: 9px;
  width: 40px;
  height: 40px;
  font-size: 0.66rem;
  color: var(--muted);
  flex: none;
}
.merge-grid p {
  font-size: 0.72rem;
  color: var(--subtle);
  margin-top: 5px;
}
.merge-grid .commit {
  margin: 10px 0 14px;
}
.advisory-record {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  margin-top: 22px;
}
.advisory-record > div > p:not(.eyebrow) {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 14px;
}
.advisory-record aside {
  border-left: 1px solid var(--border);
  padding-left: 30px;
}
.advisory-record aside strong {
  display: block;
  margin: 12px 0;
  color: var(--amber);
  font-weight: 550;
}
.advisory-record aside > p:not(.label) {
  font-size: 0.75rem;
  line-height: 2;
  color: var(--muted);
  margin-bottom: 13px;
}
.noscript-note {
  padding: 20px;
  color: var(--amber);
  font-size: 0.8rem;
  text-align: center;
}
@media (min-width: 1700px) {
  main {
    padding-top: 44px;
  }
  .hero-summary {
    font-size: 1.08rem;
  }
  .hero-grid {
    gap: 24px;
  }
  .decision-word {
    font-size: 4.8rem;
  }
  .chain-step h3 {
    font-size: 0.93rem;
  }
  .chain-step p {
    font-size: 0.72rem;
  }
  .metric-value {
    font-size: 1.9rem;
  }
}
@media (max-width: 1190px) {
  .app-shell {
    grid-template-columns: 208px minmax(0, 1fr);
  }
  .sidebar {
    width: 208px;
    padding: 28px 14px;
  }
  .brand {
    padding: 0 5px;
    font-size: 1.1rem;
    gap: 9px;
  }
  .sidebar nav a {
    font-size: 0.78rem;
    padding: 11px 8px;
    gap: 9px;
  }
  main {
    padding: 32px 28px;
  }
  .topbar {
    padding: 0 28px;
  }
  .topbar-status {
    gap: 12px;
  }
  .topbar-boundary {
    display: none;
  }
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .decision-word {
    font-size: 3.8rem;
  }
  .hero-summary br {
    display: none;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .bottom-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }
  .chain {
    gap: 12px;
  }
  .chain-step {
    padding: 13px 9px;
  }
  .chain-step:not(:last-child):after {
    right: -12px;
  }
  .chain-feature .chain-step {
    padding: 17px 10px;
  }
  .chain-feature .chain-step h3 {
    font-size: 0.8rem;
  }
  .chain-feature .chain-step p {
    font-size: 0.65rem;
  }
  .research-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .case-choice {
    padding: 15px;
    gap: 10px;
  }
  .case-choice .pill {
    display: none;
  }
  .merge-grid {
    gap: 22px;
  }
  .advisory-record {
    grid-template-columns: 1fr;
  }
  .advisory-record aside {
    border-left: 0;
    border-top: 1px solid var(--border);
    padding: 22px 0 0;
  }
  .footer {
    padding: 20px 28px;
    flex-wrap: wrap;
  }
}
@media (max-width: 760px) {
  .app-shell {
    display: block;
  }
  .sidebar {
    position: static;
    width: auto;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--border);
    padding: 22px 20px;
  }
  .brand {
    padding: 0;
    font-size: 1.18rem;
  }
  .nav-label,
  .sidebar-bottom {
    display: none;
  }
  .sidebar nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
    margin-top: 21px;
  }
  .sidebar nav a {
    font-size: 0.8rem;
    padding: 11px 13px;
  }
  .sidebar nav a:last-child {
    grid-column: 1/-1;
  }
  .workspace {
    width: 100%;
  }
  .topbar {
    height: 62px;
    padding: 0 20px;
  }
  .topbar > p {
    font-size: 0.71rem;
    gap: 9px;
  }
  .topbar-status .pill {
    font-size: 0.52rem;
    padding: 5px 7px;
  }
  .menu-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #1c2a36;
    color: var(--text);
    border: 1px solid #364b5c;
    border-radius: 6px;
    width: 36px;
    height: 34px;
    font-size: 18px;
    flex: none;
  }
  body.js-navigation .sidebar {
    display: none;
  }
  body.js-navigation.navigation-open .sidebar {
    display: flex;
  }
  .topbar > p {
    margin-right: auto;
  }
  main {
    padding: 28px 19px 34px;
  }
  .page-heading {
    margin-bottom: 24px;
  }
  h1 {
    font-size: 2.05rem;
  }
  .lead {
    font-size: 0.85rem;
  }
  .eyebrow {
    font-size: 0.58rem;
    line-height: 1.8;
  }
  .panel {
    padding: 22px 19px;
    border-radius: 12px;
  }
  .decision-hero,
  .candidate-panel {
    padding: 23px;
  }
  .decision-word {
    font-size: 3.7rem;
  }
  .hero-summary {
    font-size: 0.9rem;
  }
  .gate-callout {
    padding: 12px;
    gap: 10px;
  }
  .gate-callout strong {
    font-size: 0.76rem;
  }
  .gate-callout p {
    font-size: 0.65rem;
  }
  .facts > div {
    font-size: 0.73rem;
  }
  .metrics-grid {
    gap: 12px;
  }
  .metric {
    padding: 16px 15px;
  }
  .metric-value {
    font-size: 1.45rem;
  }
  .metric .label {
    font-size: 0.58rem;
  }
  .metric .muted {
    font-size: 0.62rem;
  }
  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }
  .section-heading h2 {
    font-size: 1.05rem;
  }
  .chain {
    grid-template-columns: 1fr;
    gap: 17px;
  }
  .chain-step {
    padding: 16px 18px;
    display: grid;
    grid-template-columns: 28px 1fr auto;
    align-items: center;
    gap: 3px 10px;
  }
  .chain-step h3 {
    margin: 0;
    font-size: 0.9rem;
  }
  .chain-step p {
    grid-column: 2;
    grid-row: 2;
    margin: 0;
    min-height: 0;
    font-size: 0.7rem;
  }
  .chain-step .pill {
    grid-column: 3;
    grid-row: 1/3;
  }
  .chain-step:not(:last-child):after {
    content: "↓";
    right: auto;
    left: 27px;
    top: auto;
    bottom: -21px;
    transform: none;
  }
  .chain-feature .chain-step {
    padding: 18px 16px;
  }
  .chain-feature .chain-step h3 {
    font-size: 0.9rem;
  }
  .boundary-divider {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .rule-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .case-navigation {
    grid-template-columns: 1fr;
    gap: 11px;
  }
  .case-choice {
    padding: 15px 18px;
  }
  .case-choice .pill {
    display: inline-flex;
    margin-left: auto;
    font-size: 0.5rem;
  }
  .fixture-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    font-size: 0.68rem;
    padding: 12px 15px;
  }
  .detail-grid {
    gap: 16px;
  }
  .case-panel .hero-grid {
    gap: 16px;
  }
  .research-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  .research-metrics .metric:last-child {
    grid-column: 1/-1;
  }
  .research-limit {
    font-size: 0.73rem;
    padding: 16px;
    gap: 10px;
  }
  .scenario-table {
    min-width: 550px;
  }
  .row-index {
    margin-right: 9px;
  }
  .table-wrap {
    max-width: 100%;
  }
  .binding-list code {
    font-size: 0.7rem;
  }
  .audit-grid,
  .merge-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .audit-card > p:not(.eyebrow) {
    font-size: 0.8rem;
  }
  .merge-grid > article {
    padding: 10px 0;
  }
  .advisory-record {
    gap: 20px;
  }
  .footer {
    font-size: 0.6rem;
    padding: 18px 20px;
    gap: 8px;
  }
  .feature-link {
    gap: 13px;
  }
  .feature-link h2 {
    font-size: 0.95rem;
  }
  .feature-link p {
    font-size: 0.72rem;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}
@media (max-width: 360px) {
  .topbar-status {
    display: none;
  }
  .case-choice {
    flex-wrap: wrap;
  }
  .case-choice > span:nth-child(2) {
    min-width: 0;
  }
  .case-choice .pill {
    margin-left: 38px;
  }
  .facts > div {
    flex-wrap: wrap;
  }
  .facts dd {
    max-width: 100%;
    text-align: left;
  }
  .code-line {
    font-size: 0.63rem;
  }
}

/* Recording-scale typography; preserve the existing mobile layout and visual system. */
@media (min-width: 1200px) {
  .sidebar nav a {
    font-size: 1rem;
  }
  .nav-label,
  .nav-number,
  .eyebrow {
    font-size: 0.75rem;
  }
  .topbar {
    font-size: 0.875rem;
  }
  .topbar-boundary,
  .label,
  .pill,
  .code-line,
  .commit,
  .metric .muted,
  .chain-step p,
  .chain-step .pill {
    font-size: 0.8125rem;
  }
  .source-note,
  .facts > div,
  .fixture-banner,
  .case-choice small,
  .feature-link p,
  .quiet-panel p {
    font-size: 0.875rem;
  }
  .source-note {
    line-height: 1.7;
  }
  .fixture-banner strong {
    font-size: 0.8125rem;
    letter-spacing: 0.08em;
  }
  .case-choice strong {
    font-size: 1rem;
  }
  .case-choice .pill {
    font-size: 0.75rem;
  }
  .scenario-table {
    font-size: 0.875rem;
  }
  .scenario-table td:nth-child(3),
  .scenario-table td:last-child > strong {
    font-size: 0.8125rem;
  }
}