/* Data Cloning site styles — Bootstrap 5, flatly-based colors, dark mode support */

:root {
  --ink: #212529;
  --muted: #7b8a8b;
  --surface: #ffffff;
  --canvas: #ffffff;
  --brand: #2c3e50;
  --brand-dark: #1a252f;
  --accent: #18bc9c;
  --accent-dark: #128f76;
  --code: #c7254e;
  --code-bg: #f9f2f4;
  --line: #dee2e6;
}

:root[data-theme="dark"] {
  --ink: #ecf0f1;
  --muted: #b4bcc2;
  --surface: #24313f;
  --canvas: #1a252f;
  --brand: #18bc9c;
  --brand-dark: #20c997;
  --accent: #20c997;
  --accent-dark: #45e0c0;
  --code: #ff8fae;
  --code-bg: #32202a;
  --line: #3d5166;
}

html { scroll-behavior: smooth; }

body {
  background: var(--canvas);
  color: var(--ink);
  padding-top: 60px;
  padding-bottom: 40px;
}

a { color: var(--accent); }
a:hover { color: var(--accent-dark); }

h1, h2, h3, h4, h5, h6 {
  color: var(--code);
}

code {
  color: var(--code);
  background-color: var(--code-bg);
}

blockquote {
  font-size: 100%;
  border-left: 5px solid var(--code);
  background-color: var(--code-bg);
  color: var(--ink);
  padding: 0.65rem 1.3rem;
}

hr { border-color: var(--line); }

/* Google custom search look and feel */
.gsc-results-wrapper-overlay, .gsc-results-wrapper-visible, .gsc-search-button, .gsc-search-button-v2 {
  box-sizing: content-box;
}

/* Navbar — colors stay fixed across light/dark modes, matching the site's navbar-inverse look */
.site-nav {
  background: var(--brand-dark);
}
.site-nav .navbar-brand,
.site-nav .nav-link {
  color: rgba(255, 255, 255, 0.85);
}
.site-nav .navbar-brand:hover,
.site-nav .nav-link:hover,
.site-nav .nav-link:focus {
  color: #ffffff;
}
.site-nav .dropdown-menu {
  background-color: var(--surface);
}
.site-nav .dropdown-item {
  color: var(--ink);
}
.site-nav .dropdown-item:hover,
.site-nav .dropdown-item:focus {
  background-color: var(--accent);
  color: #ffffff;
}
.site-nav .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.4);
}
.site-nav .navbar-toggler-icon {
  filter: invert(1) grayscale(100%) brightness(200%);
}

.theme-toggle {
  align-items: center;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  color: #ffffff;
  display: inline-flex;
  height: 2.1rem;
  justify-content: center;
  width: 2.1rem;
}
.theme-toggle:hover,
.theme-toggle:focus-visible {
  background: rgba(255, 255, 255, 0.15);
  border-color: #ffffff;
}

/* Bootstrap-3-era classes still used in page/post content, restyled for Bootstrap 5 */
.jumbotron {
  background-color: var(--surface);
  border-radius: 0.5rem;
  padding: 2rem;
  margin-bottom: 2rem;
}

.panel {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  margin-bottom: 1.5rem;
}
.panel-heading {
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--line);
  border-top-left-radius: 0.5rem;
  border-top-right-radius: 0.5rem;
  font-weight: 700;
}
.panel-body { padding: 1.25rem; }
.panel-warning { border-color: #f39c12; }
.panel-warning > .panel-heading {
  background-color: #f39c12;
  border-color: #f39c12;
  color: #ffffff;
}
.panel-success { border-color: var(--accent); }
.panel-success > .panel-heading {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}
.panel-primary { border-color: var(--brand); }
.panel-primary > .panel-heading {
  background-color: var(--brand);
  border-color: var(--brand);
  color: #ffffff;
}
.panel-info { border-color: #3498db; }
.panel-info > .panel-heading {
  background-color: #3498db;
  border-color: #3498db;
  color: #ffffff;
}
.panel-danger { border-color: #e74c3c; }
.panel-danger > .panel-heading {
  background-color: #e74c3c;
  border-color: #e74c3c;
  color: #ffffff;
}

/* Bootstrap-3-era alert dismiss button */
.alert .close {
  float: right;
  background: transparent;
  border: 0;
  font-size: 1.1rem;
  line-height: 1;
  opacity: 0.6;
}
.alert .close:hover { opacity: 1; }

/* Bootstrap-3-era plain <li><a> pagination markup */
.pagination li { display: inline-block; }
.pagination li > a {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  margin-left: -1px;
  border: 1px solid var(--line);
  color: var(--accent);
  text-decoration: none;
}
.pagination li.active > a {
  background-color: var(--brand);
  border-color: var(--brand);
  color: #ffffff;
}
.pagination li.disabled > a {
  color: var(--muted);
  pointer-events: none;
}

.well {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.btn-default {
  color: var(--ink);
  background-color: var(--surface);
  border-color: var(--line);
}
.btn-default:hover {
  color: var(--ink);
  background-color: var(--line);
  border-color: var(--line);
}
.btn-xs {
  padding: 0.1rem 0.4rem;
  font-size: 0.75rem;
  border-radius: 0.2rem;
}

.breadcrumb .active { color: var(--muted); }

/* Bootstrap-3-era .pager, still used in course navigation */
.pager {
  display: flex;
  justify-content: space-between;
  list-style: none;
  padding-left: 0;
  margin-top: 2rem;
}
.pager li > a {
  display: inline-block;
  padding: 0.5rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background-color: var(--surface);
  color: var(--ink);
  text-decoration: none;
}
.pager li > a:hover { background-color: var(--line); }
.pager .next { margin-left: auto; }

table { color: var(--ink); }
th, td { border-color: var(--line) !important; }

.card, .list-group-item {
  background-color: var(--surface);
  color: var(--ink);
  border-color: var(--line);
}

.entry pre, pre {
  background-color: var(--surface);
  border: 1px solid var(--line);
}

footer, .footer {
  color: var(--muted);
}