/* Arl pkgdown custom styles
 *
 * Layered on top of Bootstrap 5 defaults. Provides visual identity
 * without fighting the framework.
 */

/* ---------- Color tokens ---------- */
:root {
  --arl-accent: #2a9d8f;
  --arl-accent-dark: #1a7a6f;
  --arl-code-bg: #f4f5f0;
  --arl-subtle-bg: #f8f9fa;
  --arl-text: #343a40;
}

/* ---------- Hero section (homepage) ---------- */
.template-home .page-header {
  padding: 3rem 0 2rem;
  margin-bottom: 2rem;
  border-bottom: 3px solid var(--arl-accent);
  text-align: center;
}

.template-home .page-header h1 {
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--arl-accent-dark);
}

/* Tagline paragraphs between page-header and first section */
.template-home .section.level1 > p {
  font-size: 1.25rem;
  color: var(--arl-text);
  max-width: 40em;
  margin-left: auto;
  margin-right: auto;
  text-align: justify;
}

/* ---------- Headings ---------- */
.template-home main h2,
.template-article main h2 {
  color: var(--arl-accent-dark);
  border-bottom: 2px solid var(--arl-accent);
  padding-bottom: 0.3rem;
  margin-top: 2.5rem;
}

/* ---------- Code blocks ---------- */
pre {
  background-color: var(--arl-code-bg);
  border-left: 3px solid var(--arl-accent);
  border-radius: 4px;
  padding: 1rem 1.25rem;
}

pre code {
  background-color: transparent;
}

code {
  color: var(--arl-accent-dark);
}

/* ---------- Navbar ---------- */
.navbar .navbar-brand {
  font-weight: 700;
  font-size: 1.3rem;
}

.navbar .nav-link.active,
.navbar .nav-link:hover {
  color: var(--arl-accent) !important;
}

/* ---------- Feature cards (homepage bullet lists) ---------- */
.template-home .section ul {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.template-home .section ul li {
  background: var(--arl-subtle-bg);
  border: 1px solid #dee2e6;
  border-radius: 6px;
  padding: 1rem 1.25rem;
  transition: box-shadow 0.15s ease;
}

.template-home .section ul li:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.template-home .section ul li strong {
  color: var(--arl-accent-dark);
}

/* ---------- Grid sections (Quick Examples 2x2, Install 1x2) ---------- */
/* pkgdown puts the id on the h2, so we target the parent div via :has() */
.template-home .section:has(> #quick-examples),
.template-home .section:has(> #install) {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: auto 1fr 1fr;
  gap: 1rem;
}

.template-home .section:has(> #install) {
  grid-template-rows: auto 1fr;
}

.template-home .section:has(> #quick-examples) > h2,
.template-home .section:has(> #install) > h2 {
  grid-column: 1 / -1;
}

.template-home .section:has(> #quick-examples) > .section,
.template-home .section:has(> #install) > .section {
  background: var(--arl-subtle-bg);
  border: 1px solid #dee2e6;
  border-radius: 6px;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
}

.template-home .section:has(> #quick-examples) > .section > .sourceCode,
.template-home .section:has(> #install) > .section > .sourceCode {
  flex: 1;
}

.template-home .section:has(> #quick-examples) > .section > .sourceCode > pre,
.template-home .section:has(> #install) > .section > .sourceCode > pre {
  height: 100%;
}

.template-home .section:has(> #quick-examples) > .section > h3,
.template-home .section:has(> #install) > .section > h3 {
  margin-top: 0;
}

.template-home .section:has(> #quick-examples) > .section pre,
.template-home .section:has(> #install) > .section pre {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .template-home .section:has(> #quick-examples),
  .template-home .section:has(> #install) {
    grid-template-columns: 1fr;
  }
}

/* ---------- Section spacing ---------- */
.template-home .section {
  margin-bottom: 2.5rem;
}

/* ---------- Full-width homepage (no sidebar) ---------- */
.template-home .row > main {
  max-width: 72rem;
  flex: 1;
  margin: 0 auto;
}

.template-home .row > aside {
  display: none;
}

/* ---------- Footer ---------- */
footer {
  border-top: 2px solid var(--arl-accent);
  margin-top: 3rem;
  padding-top: 1.5rem;
  align-items: center;
}

footer .pkgdown-footer-left p,
footer .pkgdown-footer-right p {
  margin-bottom: 0;
}

.pkgdown-footer-center {
  text-align: center;
  flex: 1 1 auto;
}

.pkgdown-footer-center img {
  height: 20px;
  vertical-align: middle;
}

/* Mobile: stack and center all footer columns */
@media (max-width: 575.98px) {
  footer .pkgdown-footer-left,
  footer .pkgdown-footer-right {
    text-align: center;
  }
}

/* ---------- Links ---------- */
a {
  color: var(--arl-accent-dark);
}

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

/* ---------- Arl syntax highlighting (Pandoc span classes) ---------- */
/* Bootstrap defaults are too subtle for keywords; override the classes  */
/* that matter most for reading Lisp code.                               */
code span.kw { color: #8839ef; font-weight: bold; } /* special forms    */
code span.cn { color: #d20f39; }                     /* constants        */
code span.do { color: #e64553; font-style: italic; } /* doc comments ;;' */
code span.ot { color: #1e66f5; }                     /* :keywords        */

/* ---------- Dark mode adjustments ---------- */
[data-bs-theme="dark"] {
  --arl-accent: #3fc1b0;
  --arl-accent-dark: #5fd4c5;
  --arl-code-bg: #1e1e1e;
  --arl-subtle-bg: #212529;
  --arl-text: #dee2e6;
}

[data-bs-theme="dark"] pre {
  background-color: var(--arl-code-bg);
}

[data-bs-theme="dark"] .template-home .section ul li,
[data-bs-theme="dark"] .template-home .section:has(> #quick-examples) > .section,
[data-bs-theme="dark"] .template-home .section:has(> #install) > .section {
  background: var(--arl-subtle-bg);
  border-color: #495057;
}

[data-bs-theme="dark"] code {
  color: var(--arl-accent);
}

[data-bs-theme="dark"] code span.kw { color: #c6a0f6; }
[data-bs-theme="dark"] code span.cn { color: #ed8796; }
[data-bs-theme="dark"] code span.do { color: #f5a97f; }
[data-bs-theme="dark"] code span.ot { color: #8aadf4; }