/* ============================================================
   rsdv pkgdown site — extra styles (layered over flatly BS5)
   Brand accent: #2171b5
   ============================================================ */

/* --- Code blocks ------------------------------------------ */
pre {
  border-left: 4px solid #2171b5;
  border-radius: 5px;
  background-color: #f6f9fc;
}

/* --- Tables ----------------------------------------------- */
.table thead th {
  background-color: #2171b5;
  color: #ffffff;
  border-color: #2171b5;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.table tbody tr:nth-child(even) td {
  background-color: #f6f9fc;
}

.table tbody td {
  border-color: #e4eef6;
  vertical-align: top;
}

/* --- Page title ------------------------------------------- */
.page-header h1 {
  border-bottom: 3px solid #2171b5;
  padding-bottom: 0.4rem;
}

/* --- Sidebar nav ------------------------------------------ */
.sidebar .list-unstyled li a.active {
  color: #2171b5;
  font-weight: 600;
}

/* --- Reference index cards -------------------------------- */
.ref-index td:first-child {
  font-weight: 600;
  color: #2171b5;
}

/* --- Navbar ----------------------------------------------- */
.navbar-brand {
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* --- Article TOC ------------------------------------------ */
.toc .nav-link {
  color: #4a6785;
  font-size: 0.88em;
}

.toc .nav-link:hover,
.toc .nav-link.active {
  color: #2171b5;
}

/* --- Footer ----------------------------------------------- */
.footer {
  border-top: 2px solid #dce6f0;
  margin-top: 3rem;
}