:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #5d6975;
  --line: #d8dee5;
  --paper: #ffffff;
  --surface: #f4f7f9;
  --navy: #18364d;
  --blue: #2d6f9f;
  --green: #267a5a;
  --green-soft: #e7f4ee;
  --red: #a94045;
  --red-soft: #f8e9ea;
  --amber: #9a681f;
  --amber-soft: #fbf2df;
  --purple: #6f4e8a;
  --header: rgba(255, 255, 255, 0.96);
  --shadow: rgba(23, 32, 42, 0.14);
  --code-ink: #374653;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #edf2f5;
  --muted: #aebbc5;
  --line: #34444f;
  --paper: #12191e;
  --surface: #1a252d;
  --navy: #214861;
  --blue: #62a9d8;
  --green: #56b58d;
  --green-soft: #173c31;
  --red: #e0767a;
  --red-soft: #44272a;
  --amber: #d9a34d;
  --amber-soft: #3b301e;
  --purple: #c39adb;
  --header: rgba(18, 25, 30, 0.96);
  --shadow: rgba(0, 0, 0, 0.34);
  --code-ink: #cad5dc;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--surface);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: 0;
}

a {
  color: inherit;
}

.report-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(216, 222, 229, 0.9);
  background: var(--header);
  backdrop-filter: blur(10px);
}

.header-inner {
  width: min(1180px, calc(100% - 40px));
  height: 62px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  text-decoration: none;
  font-size: 16px;
  font-weight: 800;
}

.brand span {
  color: var(--red);
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  font-size: 13px;
}

.theme-toggle {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  gap: 9px;
  padding: 3px 4px 3px 9px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.theme-toggle:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--blue) 45%, transparent);
  outline-offset: 2px;
}

.theme-toggle-track {
  position: relative;
  width: 34px;
  height: 20px;
  border-radius: 10px;
  background: #81909b;
  transition: background 160ms ease;
}

.theme-toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.28);
  transition: transform 160ms ease;
}

.theme-toggle[aria-pressed="true"] .theme-toggle-track {
  background: var(--green);
}

.theme-toggle[aria-pressed="true"] .theme-toggle-thumb {
  transform: translateX(14px);
}

main {
  overflow: hidden;
}

.report-page {
  width: min(1180px, calc(100% - 40px));
  min-height: 720px;
  margin: 0 auto;
  padding: 74px 0;
  border-bottom: 1px solid var(--line);
}

.cover {
  min-height: 760px;
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(420px, 1.06fr);
  align-items: center;
  gap: 56px;
}

.eyebrow,
.section-number {
  margin: 0 0 14px;
  color: var(--red);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: 58px;
  line-height: 1.02;
}

.lead {
  max-width: 650px;
  margin: 26px 0 0;
  color: var(--code-ink);
  font-size: 21px;
  line-height: 1.45;
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin: 34px 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--line);
}

.status-strip span {
  min-width: 0;
  padding: 16px 12px;
  background: var(--paper);
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.status-strip strong {
  display: block;
  color: var(--ink);
  font-size: 24px;
}

.disclosure {
  padding: 17px 18px;
  border-left: 4px solid var(--amber);
  background: var(--amber-soft);
  color: #60461d;
  font-size: 14px;
}

:root[data-theme="dark"] .disclosure,
:root[data-theme="dark"] .caveat {
  color: #f0d39b;
}

:root[data-theme="dark"] .decision-note {
  color: #bce5d3;
}

.cover-visual {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: #10151a;
  box-shadow: 0 22px 54px var(--shadow);
}

.cover-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.section-heading {
  max-width: 800px;
  margin-bottom: 42px;
}

.section-heading h2,
.cta-band h2 {
  margin: 0;
  font-size: 38px;
  line-height: 1.12;
}

.section-heading > p:last-child {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
}

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

.question-grid article {
  min-width: 0;
  padding: 28px 24px;
  border-right: 1px solid var(--line);
}

.question-grid article:last-child {
  border-right: 0;
}

.question-icon {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 50%;
  background: var(--navy);
  color: white;
  font-size: 13px;
  font-weight: 800;
}

.question-grid h3 {
  margin: 18px 0 8px;
  font-size: 18px;
}

.question-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr) 24px) minmax(0, 1fr);
  align-items: center;
  margin-top: 46px;
}

.flow div {
  min-height: 118px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

.flow b {
  display: block;
  color: var(--red);
  font-size: 12px;
}

.flow span,
.flow small {
  display: block;
}

.flow span {
  margin-top: 8px;
  font-weight: 800;
}

.flow small {
  margin-top: 5px;
  color: var(--muted);
}

.flow i {
  color: var(--muted);
  font-style: normal;
  text-align: center;
}

.decision-note {
  margin-top: 34px;
  padding: 20px 22px;
  border: 1px solid #bdd5c9;
  border-radius: 6px;
  background: var(--green-soft);
  color: #285b47;
}

.decision-note strong {
  margin-right: 10px;
}

.architecture {
  display: grid;
  grid-template-columns: 1fr 0.5fr 2.2fr 0.5fr 1fr;
  align-items: center;
  gap: 18px;
  padding: 34px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.actor,
.tool {
  padding: 24px 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  text-align: center;
}

.actor span,
.tool span {
  display: block;
  font-weight: 800;
}

.actor small,
.tool small {
  color: var(--muted);
}

.connector {
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.gate-stack {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  overflow: hidden;
  border: 1px solid var(--navy);
  border-radius: 6px;
  background: var(--navy);
}

.gate-stack div {
  min-width: 0;
  padding: 18px 10px;
  border-right: 1px solid rgba(255, 255, 255, 0.22);
  color: white;
  text-align: center;
}

.gate-stack div:last-child {
  border-right: 0;
}

.gate-stack b,
.gate-stack small {
  display: block;
}

.gate-stack b {
  font-size: 13px;
}

.gate-stack small {
  margin-top: 5px;
  color: #c7d5df;
  font-size: 10px;
}

.boundary-table-wrap {
  margin-top: 34px;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  padding: 15px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

td:first-child {
  font-weight: 800;
}

.fixture-comparison {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.fixture-comparison article {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.fixture-head h3 {
  margin: 12px 0 4px;
  font-size: 23px;
}

.fixture-head p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.fixture-tag {
  display: inline-block;
  padding: 5px 8px;
  border-radius: 4px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.fixture-tag.advanced {
  background: #f0eaf5;
  color: var(--purple);
}

.outcome-bar {
  display: flex;
  height: 42px;
  margin: 26px 0 22px;
  overflow: hidden;
  border-radius: 5px;
  color: white;
  font-size: 12px;
  font-weight: 800;
}

.outcome-bar span {
  display: grid;
  flex: var(--weight);
  min-width: 0;
  place-items: center;
  text-align: center;
}

.outcome-bar .accepted {
  min-width: 84px;
  background: var(--green);
}

.outcome-bar .denied {
  background: var(--red);
}

.fixture-comparison ul {
  columns: 2;
  margin: 0;
  padding-left: 20px;
  color: var(--code-ink);
  font-size: 14px;
}

.fixture-comparison li {
  margin-bottom: 7px;
  break-inside: avoid;
}

.fixture-foot {
  margin: 20px 0 0;
  padding-top: 15px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.evidence-rail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 34px;
  border: 1px solid var(--line);
}

.evidence-rail div {
  padding: 20px;
  border-right: 1px solid var(--line);
}

.evidence-rail div:last-child {
  border-right: 0;
}

.evidence-rail strong,
.evidence-rail span {
  display: block;
}

.evidence-rail strong {
  font-size: 13px;
}

.evidence-rail span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
}

.caveat {
  margin: 28px 0 0;
  padding: 18px 20px;
  border-left: 4px solid var(--amber);
  background: var(--amber-soft);
  color: #60461d;
  font-size: 14px;
}

.deliverables {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.deliverables > div {
  min-height: 165px;
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.deliverables b {
  color: var(--red);
  font-size: 12px;
}

.deliverables h3 {
  margin: 10px 0 7px;
  font-size: 18px;
}

.deliverables p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.engagement-levels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 34px;
}

.engagement-levels article {
  padding: 22px;
  border-left: 3px solid var(--blue);
  background: var(--surface);
}

.engagement-levels span {
  color: var(--blue);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.engagement-levels h3 {
  margin: 8px 0 4px;
  font-size: 17px;
}

.engagement-levels p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.cta-band {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 36px;
  margin-top: 42px;
  padding: 34px;
  border-radius: 6px;
  background: var(--navy);
  color: white;
}

.cta-band h2 {
  max-width: 720px;
  font-size: 29px;
}

.cta-band p:not(.eyebrow) {
  margin: 10px 0 0;
  color: #cfdae2;
}

.cta-actions {
  display: grid;
  gap: 10px;
}

.cta-actions a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border: 1px solid white;
  border-radius: 5px;
  background: white;
  color: var(--navy);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.cta-actions a.secondary {
  background: transparent;
  color: white;
}

.appendix-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.appendix-grid > div {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.appendix-grid h3,
.limits h3 {
  margin: 0 0 15px;
  font-size: 18px;
}

code {
  overflow-wrap: anywhere;
}

.appendix-grid code {
  display: block;
  margin-top: 9px;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--code-ink);
  font-size: 11px;
}

.limits {
  margin-top: 28px;
  padding: 26px;
  border-left: 4px solid var(--red);
  background: var(--red-soft);
}

.limits ul {
  margin: 0;
  padding-left: 20px;
  columns: 2;
}

.limits li {
  margin-bottom: 9px;
  break-inside: avoid;
}

.report-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 56px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 900px) {
  .report-page {
    width: min(100% - 28px, 760px);
    padding: 52px 0;
  }

  .cover {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  h1 {
    font-size: 44px;
  }

  .status-strip,
  .question-grid,
  .fixture-comparison,
  .deliverables,
  .engagement-levels,
  .appendix-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .question-grid article:nth-child(2) {
    border-right: 0;
  }

  .question-grid article:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

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

  .flow i {
    transform: rotate(90deg);
  }

  .architecture {
    grid-template-columns: 1fr;
  }

  .gate-stack {
    width: 100%;
  }

  .connector {
    min-height: 24px;
  }

  .cta-band {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

@media (max-width: 560px) {
  .header-meta > span {
    display: none;
  }

  .theme-toggle-label {
    display: none;
  }

  .theme-toggle {
    padding-left: 4px;
  }

  h1 {
    font-size: 38px;
  }

  .lead {
    font-size: 18px;
  }

  .section-heading h2 {
    font-size: 31px;
  }

  .status-strip,
  .question-grid,
  .fixture-comparison,
  .evidence-rail,
  .deliverables,
  .engagement-levels,
  .appendix-grid {
    grid-template-columns: 1fr;
  }

  .question-grid article,
  .evidence-rail div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .question-grid article:last-child,
  .evidence-rail div:last-child {
    border-bottom: 0;
  }

  .gate-stack {
    grid-template-columns: 1fr;
  }

  .gate-stack div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  }

  .gate-stack div:last-child {
    border-bottom: 0;
  }

  .fixture-comparison ul,
  .limits ul {
    columns: 1;
  }

  .boundary-table-wrap {
    overflow: visible;
  }

  .boundary-table-wrap thead {
    display: none;
  }

  .boundary-table-wrap table,
  .boundary-table-wrap tbody,
  .boundary-table-wrap tr,
  .boundary-table-wrap td {
    display: block;
    width: 100%;
  }

  .boundary-table-wrap tr {
    margin-bottom: 14px;
    border: 1px solid var(--line);
    border-radius: 6px;
    overflow: hidden;
  }

  .boundary-table-wrap td {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 12px;
    padding: 11px 12px;
    border-bottom: 1px solid var(--line);
    font-size: 12px;
  }

  .boundary-table-wrap td:last-child {
    border-bottom: 0;
  }

  .boundary-table-wrap td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
  }

  .cta-band {
    padding: 26px 22px;
  }

  .report-footer {
    flex-direction: column;
    gap: 8px;
  }
}

@page {
  size: Letter;
  margin: 0;
}

@media print {
  html,
  body {
    width: 8.5in;
    background: white;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  .report-header {
    display: none;
  }

  :root,
  :root[data-theme="dark"] {
    color-scheme: light;
    --ink: #17202a;
    --muted: #5d6975;
    --line: #d8dee5;
    --paper: #ffffff;
    --surface: #f4f7f9;
    --navy: #18364d;
    --blue: #2d6f9f;
    --green: #267a5a;
    --green-soft: #e7f4ee;
    --red: #a94045;
    --red-soft: #f8e9ea;
    --amber: #9a681f;
    --amber-soft: #fbf2df;
    --purple: #6f4e8a;
    --header: rgba(255, 255, 255, 0.96);
    --shadow: rgba(23, 32, 42, 0.14);
    --code-ink: #374653;
  }

  .report-page {
    width: 8.5in;
    height: 11in;
    min-height: 11in;
    margin: 0;
    padding: 0.62in 0.64in;
    overflow: hidden;
    border: 0;
    page-break-after: always;
    break-after: page;
  }

  .report-page:last-child {
    page-break-after: auto;
    break-after: auto;
  }

  .cover {
    grid-template-columns: 0.95fr 1.05fr;
    gap: 0.34in;
  }

  h1 {
    font-size: 39px;
  }

  .lead {
    margin-top: 17px;
    font-size: 16px;
  }

  .status-strip {
    margin: 22px 0;
  }

  .status-strip span {
    padding: 10px 7px;
    font-size: 9px;
  }

  .status-strip strong {
    font-size: 18px;
  }

  .disclosure {
    padding: 12px 13px;
    font-size: 10px;
  }

  .section-heading {
    margin-bottom: 24px;
  }

  .section-heading h2 {
    font-size: 28px;
  }

  .section-heading > p:last-child {
    margin-top: 10px;
    font-size: 13px;
  }

  .question-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .question-grid article,
  .question-grid article:nth-child(2),
  .question-grid article:nth-child(-n + 2) {
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }

  .question-grid article:last-child {
    border-right: 0;
  }

  .question-grid article {
    padding: 17px 14px;
  }

  .question-grid p,
  .deliverables p {
    font-size: 10px;
  }

  .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr) 18px) minmax(0, 1fr);
    gap: 0;
    margin-top: 26px;
  }

  .flow div {
    min-height: 87px;
    padding: 11px;
  }

  .flow i {
    transform: none;
  }

  .flow small {
    font-size: 8px;
  }

  .decision-note,
  .caveat {
    margin-top: 20px;
    padding: 12px 14px;
    font-size: 10px;
  }

  .architecture {
    grid-template-columns: 1fr 0.5fr 2.2fr 0.5fr 1fr;
    gap: 10px;
    padding: 18px;
  }

  .actor,
  .tool {
    padding: 15px 9px;
  }

  .actor small,
  .tool small,
  .connector {
    font-size: 8px;
  }

  .gate-stack div {
    padding: 13px 6px;
  }

  .gate-stack b {
    font-size: 9px;
  }

  .gate-stack small {
    font-size: 7px;
  }

  .boundary-table-wrap {
    margin-top: 22px;
  }

  table {
    font-size: 9px;
  }

  th,
  td {
    padding: 9px 8px;
  }

  .fixture-comparison {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .fixture-comparison article {
    padding: 20px;
  }

  .fixture-head h3 {
    font-size: 17px;
  }

  .fixture-head p,
  .fixture-comparison ul,
  .fixture-foot,
  .evidence-rail span {
    font-size: 9px;
  }

  .outcome-bar {
    height: 30px;
    margin: 17px 0 14px;
    font-size: 9px;
  }

  .outcome-bar .accepted {
    min-width: 56px;
  }

  .evidence-rail {
    grid-template-columns: repeat(3, 1fr);
    margin-top: 20px;
  }

  .evidence-rail div {
    padding: 13px;
  }

  .deliverables > div {
    min-height: 110px;
    padding: 15px;
  }

  .deliverables {
    grid-template-columns: repeat(3, 1fr);
  }

  .deliverables h3 {
    margin: 6px 0 4px;
    font-size: 13px;
  }

  .engagement-levels {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 20px;
  }

  .engagement-levels article {
    padding: 14px;
  }

  .engagement-levels h3 {
    font-size: 12px;
  }

  .engagement-levels p {
    font-size: 9px;
  }

  .cta-band {
    margin-top: 24px;
    padding: 20px;
  }

  .cta-band h2 {
    font-size: 19px;
  }

  .cta-band p:not(.eyebrow) {
    font-size: 10px;
  }

  .cta-actions a {
    min-height: 34px;
    padding: 7px 10px;
    font-size: 9px;
  }

  .appendix-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .appendix-grid > div {
    padding: 17px;
  }

  .appendix-grid code {
    font-size: 8px;
  }

  .limits {
    margin-top: 20px;
    padding: 18px;
    font-size: 10px;
  }

  .report-footer {
    margin-top: 34px;
    font-size: 9px;
  }
}