/* ----- Fonts ----- */
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600;1,700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Roboto+Serif:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600;1,700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Overpass:ital,wght@0,400;0,500;0,600;0,700;0,900;1,400;1,500;1,600;1,700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@400;500&display=swap');

/* ----- Typography ----- */
body {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: 15px;
  line-height: 1.6;
  color: #1A1A1A;
  background-color: #ffffff;
}

/* ----- Headings ----- */
h1 {
  font-family: 'Roboto Serif', serif;
  font-weight: 600;
  color: #111111;
  line-height: 1.4;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

h2 {
  font-family: 'Overpass', sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
  color: #111111;
  line-height: 1.3;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  border-bottom: 2px solid #f0f0f0;
  padding-bottom: 0.4rem;
}

h3 {
  font-family: 'Overpass', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: #111111;
  line-height: 1.3;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

h4, h5, h6 {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  color: #333333;
  line-height: 1.3;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

h4 { font-size: 1.0rem; }

/* Document title */
.quarto-title h1.title {
  font-family: 'Overpass', sans-serif;
  font-weight: 900;
  font-size: 2rem;
  line-height: 1.3;
  margin-bottom: 0.5rem;
  color: #111111;
  text-align: center;
}

.quarto-title {
  text-align: center;
}

/* Document subtitle */
.quarto-title .subtitle {
  font-family: 'Roboto Serif', serif;
  font-style: italic;
  font-size: 1.1rem;
  font-weight: 400;
  line-height: 1.5;
  color: #555555;
  margin-bottom: 1.5rem;
}

/* ----- Layout: constrain content width ----- */
/* Keeps the reading column narrow even on wide screens */
.quarto-content {
  max-width: 980px;
  margin: 0 auto;
}

/* Figures can breathe a bit wider than the text */
.quarto-figure img,
.cell-output-display img {
  max-width: 100%;
  height: auto;
  margin: 1.5rem auto;
  display: block;
}

/* ----- TOC (right sidebar) ----- */
#TOC {
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  line-height: 1.5;
  color: #555555;
}

#TOC a {
  color: #555555;
  text-decoration: none;
}

#TOC a:hover,
#TOC a.active {
  color: #111111;
}

/* ----- Navbar ----- */
.navbar {
  background-color: #ffffff !important;
  border-bottom: 1px solid #e0e0e0;
}

.navbar a,
.navbar-brand,
.navbar-nav .nav-link {
  color: #111111 !important;
}

.navbar .brand-logo img {
  height: 38px;
  width: auto;
}

/* ----- Paragraphs ----- */
p {
  margin-bottom: 1.1rem;
}

/* ----- Links ----- */
a {
  color: #1D6FA5;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ----- Code ----- */
pre, code {
  font-family: 'Roboto Mono', monospace;
  background-color: #F6F6F6;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.88rem;
}

/* ----- Figure captions ----- */
figure {
  margin: 1.5rem 0;
}

figcaption,
.figure-caption,
.caption {
  font-size: 0.82rem;
  font-family: 'Inter', sans-serif;
  font-style: italic;
  color: #666666;
  margin-top: 0.4rem;
  line-height: 1.5;
}

/* ----- Callout: freshness / metadata line ----- */
.freshness-line {
  font-size: 0.85rem;
  color: #888888;
  font-family: 'Inter', sans-serif;
  margin-bottom: 1.5rem;
}

/* ----- Horizontal rule ----- */
hr {
  border: none;
  border-top: 1px solid #eeeeee;
  margin: 2rem 0;
}

/* ----- Figure subtitle (chart type · reading note) ----- */
.chart-sub {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: 0.84rem;
  color: #888888;
  margin-top: -0.35rem;
  margin-bottom: 1rem;
}

.chart-sub p { margin-bottom: 0; }

/* ----- Tables ----- */
table {
  font-size: 0.9rem;
  font-family: 'Inter', sans-serif;
  border-collapse: collapse;
  width: 100%;
  margin: 1rem 0;
}

th {
  background-color: #f5f5f5;
  font-weight: 600;
  padding: 0.5rem 0.75rem;
  border-bottom: 2px solid #dddddd;
  text-align: left;
}

td {
  padding: 0.4rem 0.75rem;
  border-bottom: 1px solid #eeeeee;
}