/* =====================================================================
   Site polish on top of Bootstrap/Cosmo + theme.scss
   ===================================================================== */

/* ---------- Layout rhythm ---------- */
main.content,
main.content > article {
  max-width: 720px;
}
.page-layout-full main.content { max-width: none; }

/* ---------- Navbar ---------- */
.navbar {
  border-bottom: 1px solid #e6eaef;
  backdrop-filter: saturate(1.4) blur(8px);
  background-color: rgba(255, 255, 255, 0.85) !important;
}
.navbar-brand {
  font-weight: 600;
  letter-spacing: -0.01em;
}
.navbar .nav-link {
  font-weight: 500;
  font-size: 0.95rem;
}

/* ---------- Title block ---------- */
.quarto-title-block {
  margin-bottom: 2.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid #e6eaef;
}
.quarto-title-block .title {
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
}
.quarto-title-block .subtitle,
.quarto-title-block .description {
  color: #59636e;
  font-size: 1.1rem;
  line-height: 1.55;
  margin-top: 0.5rem;
}
.quarto-title-meta {
  font-size: 0.875rem;
  color: #59636e;
  margin-top: 1rem;
}

/* ---------- Article body ---------- */
article p,
article li {
  line-height: 1.75;
}
article p {
  margin-bottom: 1.15em;
}
article h2 {
  margin-top: 2.5rem;
  padding-top: 0.5rem;
}
article h3 {
  margin-top: 1.75rem;
}

/* Drop cap on the lead paragraph (subtle, editorial) */
article > p.lead::first-letter {
  font-family: "Newsreader", Georgia, serif;
  font-size: 3.4rem;
  font-weight: 500;
  float: left;
  line-height: 0.9;
  padding: 0.35rem 0.5rem 0 0;
}

/* ---------- Blockquotes ---------- */
blockquote {
  border-left: 3px solid #d1d9e0;
  padding: 0.25rem 0 0.25rem 1.25rem;
  color: #424a53;
  font-style: normal;
  margin: 1.5rem 0;
}
blockquote p:last-child { margin-bottom: 0; }

/* ---------- Code ---------- */
pre, code, kbd, samp {
  font-feature-settings: "calt", "ss01";
}
pre {
  border: 1px solid #e6eaef;
  border-radius: 8px;
  padding: 1rem 1.1rem;
  font-size: 0.875rem;
  line-height: 1.6;
  overflow-x: auto;
}
:not(pre) > code {
  background: #f3f5f7;
  padding: 0.12em 0.38em;
  border-radius: 4px;
  font-size: 0.88em;
  color: #1f2328;
  border: 1px solid #e6eaef;
}
.code-copy-button {
  opacity: 0;
  transition: opacity 0.15s ease;
}
pre:hover .code-copy-button { opacity: 0.7; }
pre:hover .code-copy-button:hover { opacity: 1; }

/* ---------- Links ---------- */
article a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  text-decoration-color: rgba(5, 80, 174, 0.35);
  transition: text-decoration-color 0.15s ease;
}
article a:hover {
  text-decoration-color: rgba(5, 80, 174, 1);
}

/* ---------- Tables ---------- */
table {
  font-size: 0.94rem;
  border-collapse: collapse;
  margin: 1.5rem 0;
}
table th {
  border-bottom: 2px solid #1f2328;
  font-weight: 600;
  text-align: left;
  padding: 0.5rem 0.75rem;
}
table td {
  border-bottom: 1px solid #e6eaef;
  padding: 0.5rem 0.75rem;
}

/* ---------- Callouts ---------- */
.callout {
  border-left-width: 4px;
  border-radius: 6px;
  margin: 1.5rem 0;
}
.callout-title { font-weight: 600; }

/* ---------- Listing (home) ---------- */
.quarto-listing-default .listing-item {
  border-bottom: 1px solid #e6eaef;
  padding: 1.5rem 0;
}
.quarto-listing-default .listing-item:last-child { border-bottom: none; }
.listing-title a {
  color: #1f2328;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: -0.015em;
}
.listing-title a:hover { color: #0550ae; }
.listing-description {
  color: #424a53;
  font-size: 0.98rem;
  line-height: 1.6;
  margin-top: 0.35rem;
}
.listing-date,
.listing-reading-time {
  color: #59636e;
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.listing-categories .listing-category {
  background: #f3f5f7;
  border: 1px solid #e6eaef;
  color: #424a53;
  font-size: 0.75rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  margin-right: 0.35rem;
  text-decoration: none;
}
.listing-categories .listing-category:hover {
  background: #e9eef3;
  color: #1f2328;
}

/* Hero intro on the home page */
.home-hero {
  padding: 2.5rem 0 2rem;
  border-bottom: 1px solid #e6eaef;
  margin-bottom: 1.5rem;
}
.home-hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 0.6rem 0;
}
.home-hero p {
  font-size: 1.15rem;
  color: #424a53;
  line-height: 1.55;
  max-width: 38em;
  margin: 0;
}

/* ---------- Footer ---------- */
.page-footer {
  border-top: 1px solid #e6eaef;
  margin-top: 4rem;
  padding-top: 1.5rem;
  font-size: 0.875rem;
  color: #59636e;
}

/* ---------- TOC (sidebar) ---------- */
#TOC, .sidebar nav[role="doc-toc"] {
  font-size: 0.875rem;
}
#TOC a, .sidebar nav[role="doc-toc"] a {
  color: #59636e;
  border-left: 2px solid transparent;
  padding-left: 0.75rem;
  transition: color 0.15s, border-color 0.15s;
}
#TOC a:hover, .sidebar nav[role="doc-toc"] a:hover { color: #1f2328; }
#TOC .active, .sidebar nav[role="doc-toc"] .active {
  color: #0550ae;
  border-left-color: #0550ae;
  font-weight: 500;
}

/* ---------- Selection ---------- */
::selection {
  background: #ffe9a8;
  color: #1f2328;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .home-hero h1 { font-size: 2rem; }
  .home-hero p { font-size: 1.05rem; }
  .quarto-title-block .title { font-size: 1.85rem; }
}