@import url("https://fonts.googleapis.com/css2?family=Amiri:wght@400;700&family=Montserrat:wght@400;500;600;700&display=swap");

:root {
  color-scheme: light;
  --white: #ffffff;
  --paper: #f3f6f8;
  --ink: #111111;
  --muted: #66727a;
  --navy: #111111;
  --rust: #111111;
  --accent: #bd4618;
  --accent-soft: #df9a75;
  --accent-box: #fff1e8;
  --accent-box-text: #4c2415;
  --accent-stroke: #d16b40;
  --accent-flow: #b94b1e;
  --line: #e1e6e9;
  --code-bg: #faf9f6;
  --table-head: #111111;
  --table-head-text: #ffffff;
  --brand-line: #ead6ca;
  --language-active: var(--accent);
  --language-active-text: #ffffff;
  --brand-tagline: "Engenharia de software · pesquisa";
  --max: 1300px;
  --sans: "Montserrat", Arial, sans-serif;
  --serif: "Amiri", Georgia, serif;
  --bs-body-font-family: var(--sans);
  --bs-body-color: var(--ink);
  --bs-body-bg: var(--white);
  --bs-primary: var(--accent);
  --bs-primary-rgb: 189, 70, 24;
  --bs-link-color: var(--rust);
  --bs-link-hover-color: var(--navy);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --white: #101416;
  --paper: #171c1f;
  --ink: #f2f1ec;
  --muted: #aeb7ba;
  --navy: #f2f1ec;
  --rust: #f2f1ec;
  --accent: #ff7548;
  --accent-soft: #db885f;
  --accent-box: #31221b;
  --accent-box-text: #ffede4;
  --accent-stroke: #d47b54;
  --accent-flow: #cf714c;
  --line: #2d383d;
  --code-bg: #141b1f;
  --table-head: #171c1f;
  --table-head-text: #f2f1ec;
  --brand-line: #594238;
  --brand-tagline: "Software engineering · research";
  --bs-body-color: var(--ink);
  --bs-body-bg: var(--white);
  --bs-primary: var(--accent);
  --bs-primary-rgb: 255, 117, 72;
  --bs-link-color: var(--rust);
  --bs-link-hover-color: var(--navy);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --white: #101416;
    --paper: #171c1f;
    --ink: #f2f1ec;
    --muted: #aeb7ba;
    --navy: #f2f1ec;
    --rust: #f2f1ec;
    --accent: #ff7548;
    --accent-soft: #db885f;
    --accent-box: #31221b;
    --accent-box-text: #ffede4;
    --accent-stroke: #d47b54;
    --accent-flow: #cf714c;
    --line: #2d383d;
    --code-bg: #141b1f;
    --table-head: #171c1f;
    --table-head-text: #f2f1ec;
    --brand-line: #594238;
    --brand-tagline: "Software engineering · research";
    --bs-body-color: var(--ink);
    --bs-body-bg: var(--white);
    --bs-primary: var(--accent);
    --bs-primary-rgb: 255, 117, 72;
    --bs-link-color: var(--rust);
    --bs-link-hover-color: var(--navy);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  transition: color 180ms ease, background-color 180ms ease;
}

body.page-shell {
  min-height: 100vh;
  overflow-x: hidden;
}

body.nav-fixed {
  padding-top: 76px !important;
}

a {
  color: var(--ink);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--muted);
}

#quarto-header {
  position: fixed !important;
  top: 0;
  right: 0;
  left: 0;
  width: 100%;
  z-index: 1030;
  transform: translateY(0) !important;
  visibility: visible !important;
}

#quarto-header.headroom,
#quarto-header.headroom--pinned,
#quarto-header.headroom--unpinned {
  position: fixed !important;
  transform: translateY(0) !important;
}

#quarto-header .navbar {
  min-height: 76px;
  padding: 12px 0;
  background: var(--white) !important;
  border-bottom: 1px solid var(--line);
  box-shadow: none;
}

#quarto-header .navbar-container {
  width: min(var(--max), calc(100% - 48px));
  max-width: none;
  margin: 0 auto;
  padding: 0;
}

#quarto-header .navbar-brand-container {
  margin-right: clamp(24px, 4vw, 72px) !important;
  margin-left: 0 !important;
}

#quarto-header .navbar-brand,
#quarto-header .navbar-title {
  color: var(--ink) !important;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
}

#quarto-header .navbar-brand {
  position: relative;
  display: block;
  min-height: 43px;
  padding: 7px 0 0 50px;
}

#quarto-header .navbar-brand::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 39px;
  height: 43px;
  border: 1px solid var(--brand-line);
  background: var(--paper) url("diego-illustration.jpg") 50% 30% / cover no-repeat;
  content: "";
}

#quarto-header .navbar-brand::after {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  content: var(--brand-tagline);
  font-family: var(--sans);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1;
  text-transform: uppercase;
}

#quarto-header .navbar-collapse {
  flex-grow: 0;
  margin-left: auto;
}

#quarto-header .navbar-nav {
  gap: clamp(16px, 2.2vw, 34px);
  margin-left: 32px !important;
}

#quarto-header .nav-link {
  position: relative;
  padding: 13px 0 11px !important;
  color: var(--ink) !important;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

#quarto-header .nav-link .bi-github {
  font-size: 15px;
  line-height: 1;
}

#quarto-header .nav-link::after {
  position: absolute;
  right: 0;
  bottom: 4px;
  left: 0;
  height: 2px;
  background: var(--accent-soft);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

#quarto-header .nav-link:hover::after,
#quarto-header .nav-link.active::after {
  transform: scaleX(1);
}

#quarto-header .quarto-navbar-tools,
#quarto-header #quarto-search,
#quarto-header .quarto-navbar-tools-item {
  color: var(--ink) !important;
}

.site-controls {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: clamp(12px, 2vw, 24px);
  padding-left: clamp(12px, 2vw, 24px);
  border-left: 1px solid var(--line);
}

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

.site-controls button {
  min-width: 28px;
  min-height: 28px;
  padding: 3px 6px;
  border: 1px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-family: var(--sans);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.site-controls button:hover,
.site-controls button:focus-visible,
.site-controls button.is-active {
  border-color: var(--line);
  background: var(--paper);
  outline: none;
}

.site-controls button.is-active {
  border-color: var(--language-active);
  background: var(--language-active);
  color: var(--language-active-text);
}

.site-theme-toggle {
  margin-left: 4px;
  font-size: 14px !important;
  line-height: 1;
}

#quarto-header .navbar-toggler {
  border: 1px solid var(--line);
  border-radius: 0;
}

#quarto-header .navbar-toggler-icon {
  filter: invert(1);
}

#quarto-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 232px;
  column-gap: clamp(32px, 4vw, 56px);
  align-items: start;
  width: min(var(--max), calc(100% - 72px));
  margin: 0 auto;
}

#quarto-document-content {
  grid-column: 1;
  min-width: 0;
}

#quarto-margin-sidebar {
  grid-column: 2;
  min-width: 0;
  padding-top: 72px;
}

main.content,
main.content.column-page-left {
  max-width: none;
  padding: 0 0 80px;
}

#title-block-header {
  margin: 0;
  padding: clamp(84px, 4vw, 148px) 0 clamp(52px, 7vw, 88px);
  border-bottom: 1px solid var(--line);
}

#title-block-header::before {
  display: block;
  margin-bottom: 20px;
  padding-left: 48px;
  color: var(--ink);
  content: "PESQUISA · PRIVACIDADE · IA/ML";
  background: linear-gradient(var(--ink), var(--ink)) 0 50% / 38px 2px no-repeat;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.2;
}

#title-block-header .title {
  max-width: 980px;
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(2.8rem, 6vw, 5.25rem);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.045em;
}

#title-block-header .subtitle {
  max-width: 760px;
  margin-top: 22px;
  color: var(--muted);
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2.3vw, 1.75rem);
  line-height: 1.25;
}

#title-block-header .description {
  max-width: 72ch;
  margin-top: 24px;
  color: var(--muted);
}

main.content h2 {
  margin: 72px 0 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.04em;
}

main.content h3 {
  margin: 42px 0 14px;
  color: var(--navy);
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.015em;
}

main.content p,
main.content li {
  max-width: 82ch;
}

main.content p {
  margin-bottom: 1rem;
}

#visao-geral,
#resultado-principal,
#resultados,
#dados,
#metodologia,
#reproducao {
  scroll-margin-top: 96px;
}

#resultado-principal,
#dados,
#reproducao {
  margin-top: 44px;
  padding: 1px clamp(18px, 3vw, 42px) 40px;
  background: var(--paper);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 28px 0 12px;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.metric-card {
  min-height: 132px;
  padding: 22px 24px 20px;
  border: 0;
  border-right: 1px solid var(--line);
  border-radius: 0;
  background: var(--white);
  box-shadow: none;
}

.metric-card:last-child {
  border-right: 0;
}

.metric-card h3 {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(2rem, 3.6vw, 3.2rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.04em;
}

.metric-card p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-transform: uppercase;
}

.hero-note,
.pvalue-note {
  max-width: 960px;
  margin: 38px 0 48px;
  padding: 22px 24px;
  border-left: 2px solid var(--rust);
  background: var(--paper);
}

.hero-note p,
.pvalue-note p {
  margin: 0;
}

.pvalue-note strong,
.pvalue-note em {
  color: var(--rust);
}

.table-responsive {
  overflow-x: auto;
}

table,
.table {
  --bs-table-color: var(--ink);
  --bs-table-bg: transparent;
  --bs-table-border-color: var(--line);
  --bs-table-striped-color: var(--ink);
  --bs-table-striped-bg: var(--paper);
  color: var(--ink);
  width: 100%;
  margin: 22px 0 30px;
  border-collapse: collapse;
  font-size: 0.8rem;
}

table > :not(caption) > * > * {
  color: var(--ink);
  border-color: var(--line);
  box-shadow: none !important;
}

table caption {
  padding: 0 0 10px;
  color: var(--ink);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-align: left;
  text-transform: uppercase;
}

thead th {
  background: var(--table-head) !important;
  color: var(--table-head-text) !important;
  font-size: 0.67rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

td,
th {
  padding: 0.7rem 0.75rem;
  border: 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

table > tbody > tr > * {
  background-color: var(--white) !important;
  color: var(--ink) !important;
}

table > tbody > tr:nth-child(even) > * {
  background-color: var(--paper) !important;
}

tbody td:first-child {
  color: var(--ink);
  font-weight: 600;
}

.data-details {
  margin: 22px 0 34px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.data-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 0 14px;
  color: var(--ink);
  cursor: pointer;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  list-style: none;
  text-transform: uppercase;
}

.data-details summary::-webkit-details-marker {
  display: none;
}

.data-details summary::after {
  color: var(--ink);
  content: "+";
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1;
}

.data-details[open] summary {
  border-bottom: 1px solid var(--line);
}

.data-details[open] summary::after {
  content: "−";
}

.data-details > .cell,
.data-details > div {
  margin-bottom: 0;
}

pre.sourceCode,
.sourceCode pre,
.cell-output pre {
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--code-bg);
  color: var(--ink) !important;
}

pre.sourceCode code,
.sourceCode pre code,
.cell-output pre code,
pre.sourceCode code *,
.sourceCode pre code *,
.cell-output pre code * {
  background-color: transparent !important;
  color: var(--ink) !important;
}

.cell-output-display img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 24px auto 30px;
}

:root[data-theme="dark"] .cell-output-display img {
  filter: invert(1) hue-rotate(180deg) saturate(0.9);
  mix-blend-mode: screen;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .cell-output-display img {
    filter: invert(1) hue-rotate(180deg) saturate(0.9);
    mix-blend-mode: screen;
  }
}

#TOC #toc-title {
  display: block;
  margin: 0 0 0.5rem;
  color: var(--ink);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

#TOC a {
  color: var(--muted);
  font-size: 0.72rem;
}

#TOC a:hover,
#TOC a.active {
  color: var(--language-active) !important;
  font-weight: 600;
  border-left-color: var(--language-active) !important;
}

svg.mermaid-js .node rect,
svg.mermaid-js .node polygon,
svg.mermaid-js .node circle {
  fill: var(--accent-box) !important;
  stroke: var(--accent-stroke) !important;
}

svg.mermaid-js .node .label,
svg.mermaid-js .nodeLabel {
  color: var(--accent-box-text) !important;
  fill: var(--accent-box-text) !important;
}

svg.mermaid-js .flowchart-link,
svg.mermaid-js .edgePath path,
svg.mermaid-js marker path {
  stroke: var(--accent-flow) !important;
}

svg.mermaid-js marker path {
  fill: var(--accent-flow) !important;
}

.btn,
.dropdown-menu {
  border-radius: 0;
}

#quarto-footer,
.footer {
  width: 100%;
  margin: 0;
  border-top: 1px solid var(--line);
  background: var(--white) !important;
  color: var(--muted) !important;
}

.nav-footer {
  width: min(var(--max), calc(100% - 72px));
  margin: 0 auto;
  border-top: 0;
  background: transparent !important;
  color: var(--muted) !important;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  line-height: 1.5;
  padding: 18px 0 20px;
}

#quarto-footer .nav-footer * {
  color: var(--muted) !important;
}

.nav-footer p {
  margin: 0;
}

@media (max-width: 980px) {
  #quarto-header .navbar-container,
  #quarto-content,
  .nav-footer {
    width: calc(100% - 48px);
    padding-right: 0;
    padding-left: 0;
  }

  #quarto-content {
    grid-template-columns: minmax(0, 1fr);
    column-gap: 0;
  }

  main.content,
  main.content.column-page-left {
    padding-right: 0;
    padding-left: 0;
  }

  #quarto-document-content {
    grid-column: 1;
  }

  #quarto-margin-sidebar {
    display: none;
  }

  #quarto-header .navbar-brand-container {
    margin-right: 18px !important;
  }

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

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

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

@media (max-width: 720px) {
  body.nav-fixed {
    padding-top: 68px !important;
  }

  #quarto-header .navbar {
    min-height: 68px;
    padding: 8px 0;
  }

  #quarto-header .navbar-container,
  #quarto-content,
  .nav-footer {
    width: calc(100% - 32px);
  }

  #quarto-header .navbar-title {
    font-size: 18px;
  }

  #quarto-header .navbar-brand::after {
    display: none;
  }

  #quarto-header .navbar-collapse {
    margin: 10px 0 0;
  }

  .site-controls {
    margin: 8px 0 0;
    padding-left: 0;
    border-left: 0;
  }

  #quarto-header .navbar-nav {
    gap: 0;
  }

  #quarto-header .nav-link {
    padding: 10px 0 !important;
  }

  #title-block-header {
    padding: 48px 0 44px;
  }

  #title-block-header .title {
    font-size: clamp(2.8rem, 14vw, 4.4rem);
  }

  main.content h2 {
    margin-top: 54px;
  }

  #quarto-margin-sidebar {
    display: none;
  }

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

  .metric-card,
  .metric-card:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metric-card:last-child {
    border-bottom: 0;
  }

  #resultado-principal,
  #dados,
  #reproducao {
    padding-right: 18px;
    padding-left: 18px;
  }
}