/* automc-tutorials — minimal opinionated CSS, no framework. */
* { box-sizing: border-box; }
html { font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: #222; background: #fff; }
body { margin: 0; }
a { color: #2c5fa3; text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  display: flex; align-items: center; gap: 1rem;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid #e5e5e5;
  background: #fafafa;
  position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 700; font-size: 1.05rem; color: #222; }
.brand:hover { text-decoration: none; }

.search { position: relative; flex: 1; max-width: 28rem; }
.search input {
  width: 100%; padding: 0.4rem 0.6rem;
  border: 1px solid #ccc; border-radius: 6px;
  font: inherit;
}
#search-results {
  position: absolute; top: 100%; left: 0; right: 0;
  margin: 0.25rem 0 0; padding: 0; list-style: none;
  background: #fff; border: 1px solid #ddd; border-radius: 6px;
  max-height: 18rem; overflow-y: auto;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
#search-results li { padding: 0; }
#search-results a {
  display: block; padding: 0.5rem 0.75rem;
  border-bottom: 1px solid #f0f0f0;
  color: #222;
}
#search-results a:hover { background: #f4f7fb; text-decoration: none; }
#search-results .title { font-weight: 600; }
#search-results .summary { display: block; font-size: 0.85rem; color: #666; }

.locale-switch a.lang {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  margin-left: 0.25rem;
  border-radius: 4px;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: #555;
}
.locale-switch a.lang.active { background: #2c5fa3; color: #fff; }

.breadcrumbs {
  padding: 0.5rem 1.25rem;
  font-size: 0.9rem; color: #666;
  border-bottom: 1px solid #f0f0f0;
}
.breadcrumbs .sep { margin: 0 0.4rem; color: #aaa; }
.breadcrumbs .active { color: #222; }

main {
  max-width: 50rem;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

h1 { font-size: 1.75rem; margin: 0 0 0.5rem; }
h2 { font-size: 1.35rem; margin: 1.5rem 0 0.5rem; }
.lead { font-size: 1.1rem; color: #555; margin: 0.5rem 0 1.5rem; }

.category-list { list-style: none; padding: 0; display: grid; gap: 1rem; }
.category-item a {
  display: block;
  padding: 1rem 1.25rem;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  color: #222;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.category-item a:hover {
  border-color: #2c5fa3;
  box-shadow: 0 2px 8px rgba(44,95,163,0.1);
  text-decoration: none;
}
.category-item h2 { margin: 0 0 0.25rem; font-size: 1.15rem; }
.category-item p { margin: 0.25rem 0; color: #555; }
.category-item .page-count { font-size: 0.85rem; color: #888; }

.page-list { list-style: none; padding: 0; }
.page-list li { margin-bottom: 0.5rem; }
.page-list a {
  display: block;
  padding: 0.6rem 0.8rem;
  border-left: 3px solid transparent;
  border-radius: 4px;
}
.page-list a:hover { border-left-color: #2c5fa3; background: #f7f9fc; text-decoration: none; }
.page-list strong { color: #222; }
.page-list .summary { display: block; font-size: 0.9rem; color: #666; margin-top: 0.15rem; }

.page-header { margin-bottom: 1.5rem; }
.page-header .summary { color: #555; font-size: 1.05rem; }

.prose { line-height: 1.7; }
.prose code {
  background: #f4f4f5; padding: 0.1rem 0.35rem; border-radius: 3px;
  font-size: 0.9em; font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.prose pre {
  background: #1e1e2e; color: #cdd6f4;
  padding: 1rem; border-radius: 8px; overflow-x: auto;
  font-size: 0.9rem; line-height: 1.5;
}
.prose pre code { background: transparent; padding: 0; color: inherit; }
.prose img { max-width: 100%; border-radius: 8px; }
.prose blockquote {
  border-left: 4px solid #2c5fa3;
  margin: 1rem 0; padding: 0.5rem 1rem;
  background: #f7f9fc;
}
.prose table { border-collapse: collapse; width: 100%; margin: 1rem 0; }
.prose th, .prose td { border: 1px solid #e0e0e0; padding: 0.5rem 0.75rem; text-align: left; }
.prose th { background: #fafafa; }

.site-footer {
  margin-top: 4rem;
  padding: 1.5rem 1.25rem;
  border-top: 1px solid #e5e5e5;
  text-align: center;
  font-size: 0.85rem;
  color: #888;
}

@media (prefers-color-scheme: dark) {
  html { color: #ddd; background: #1a1a1a; }
  .site-header { background: #222; border-color: #333; }
  .brand { color: #ddd; }
  a { color: #6aa2dc; }
  .search input { background: #2a2a2a; border-color: #444; color: #ddd; }
  #search-results { background: #222; border-color: #444; }
  #search-results a { color: #ddd; border-color: #2f2f2f; }
  #search-results a:hover { background: #2a2f3a; }
  .breadcrumbs { color: #999; border-color: #333; }
  .breadcrumbs .active { color: #eee; }
  .category-item a { background: #222; border-color: #333; color: #ddd; }
  .category-item a:hover { border-color: #6aa2dc; }
  .page-list a:hover { background: #2a2a2a; }
  .prose code { background: #2a2a2a; color: #f4f4f5; }
  .prose blockquote { background: #222; }
  .prose th { background: #222; }
  .prose th, .prose td { border-color: #333; }
  .site-footer { border-color: #333; color: #777; }
}