/* ============================================================
   autoharp pkgdown custom styles
   ============================================================ */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Merriweather:wght@400;700&family=Fira+Code:wght@300;400;500&display=swap');

/* ── Root colour tokens ────────────────────────────────────── */
:root {
  --ah-navy:      #1a3a5c;
  --ah-navy-lt:   #2c5282;
  --ah-gold:      #b8860b;
  --ah-gold-lt:   #e8c56a;
  --ah-gold-bg:   #fdf6e3;
  --ah-green:     #27ae60;
  --ah-blue:      #2980b9;
  --ah-teal:      #0891b2;
  --ah-text:      #1a202c;
  --ah-muted:     #4a5568;
  --ah-border:    #cbd5e0;
  --ah-bg:        #f7fafc;
  --ah-white:     #ffffff;
  --ah-code-bg:   #edf2f7;
  --ah-shadow:    0 4px 20px rgba(26, 58, 92, 0.10);
  --ah-shadow-lg: 0 8px 30px rgba(26, 58, 92, 0.15);
  --ah-radius:    0.75rem;
}

/* ── Base typography ───────────────────────────────────────── */
body {
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 400;
  color: var(--ah-text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  background: #ffffff;
  /* Offset for the fixed navbar so content isn't hidden beneath it */
  padding-top: 3.75rem;
}

h1, h2, h3, h4, h5 {
  font-family: 'Merriweather', Georgia, serif;
  font-weight: 700;
  color: var(--ah-navy);
  letter-spacing: -0.02em;
}

a {
  color: var(--ah-teal);
  text-decoration: none;
}

a:hover {
  color: var(--ah-navy);
  text-decoration: underline;
}

code, pre, kbd, samp {
  font-family: 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  font-size: 0.875em;
}

/* ── Top-level layout containers ──────────────────────────── */
/* All pkgdown page templates share .container at the root */
.container {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

/* Ensure the two-column row aligns its columns at the top */
.container > .row {
  align-items: flex-start;
}

/* ── Navbar ────────────────────────────────────────────────── */
.navbar {
  background: linear-gradient(135deg, #0f2744 0%, var(--ah-navy) 50%, #1e4a7a 100%) !important;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
  padding: 0.65rem 1rem;
}

.navbar-brand {
  font-family: 'Merriweather', Georgia, serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: #fff !important;
  letter-spacing: -0.01em;
}

/* Logo size control */
.navbar-brand img {
  height: 36px !important;
  width: auto !important;
  max-height: 36px !important;
}

.navbar-brand::before {
  content: '🎓 ';
}

.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.92) !important;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.45rem 0.8rem;
  border-radius: 0.35rem;
  transition: background 0.2s, color 0.2s;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  background: rgba(255, 255, 255, 0.15);
  color: #fff !important;
}

.navbar .dropdown-menu {
  border: 1px solid var(--ah-border);
  box-shadow: var(--ah-shadow-lg);
  border-radius: var(--ah-radius);
  padding: 0.5rem;
  background: #fff;
}

.navbar .dropdown-item {
  border-radius: 0.35rem;
  padding: 0.45rem 1rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ah-text);
  transition: background 0.15s;
}

.navbar .dropdown-item:hover {
  background: var(--ah-bg);
  color: var(--ah-navy);
}

.navbar .dropdown-header {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ah-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.5rem 1rem 0.25rem;
}

/* ── Home page hero ────────────────────────────────────────── */
.template-home .contents {
  max-width: 100%;
}

/* Control logo size in home page header */
.template-home .page-header img[align="right"],
.template-home h1 img {
  height: 80px !important;
  max-height: 80px !important;
  width: auto !important;
}

.template-home .contents img:not([align="right"]) {
  border-radius: var(--ah-radius);
  box-shadow: var(--ah-shadow);
  max-width: 100%;
  height: auto;
  display: block;
  margin: 1.5rem auto;
}

/* Home page table styling */
.template-home .contents table {
  border-radius: var(--ah-radius);
  overflow: hidden;
  box-shadow: var(--ah-shadow);
}

/* Hero introduction paragraph */
.template-home .contents > p:first-of-type {
  font-size: 1.15rem;
  color: var(--ah-muted);
  line-height: 1.8;
}

/* Section dividers in home page */
.template-home .contents hr {
  border: none;
  border-top: 2px solid var(--ah-border);
  margin: 2.5rem 0;
}

/* Centered image captions */
.template-home .contents p > em {
  display: block;
  text-align: center;
  font-size: 0.85rem;
  color: var(--ah-muted);
  margin-top: 0.5rem;
}

.jumbotron, .template-home .contents > .row:first-child {
  background: linear-gradient(135deg, var(--ah-navy) 0%, #2c5282 60%, #1a6b8a 100%);
  color: #fff;
  padding: 4rem 2rem 3.5rem;
  border-radius: 0 0 var(--ah-radius) var(--ah-radius);
  margin-bottom: 2.5rem;
  position: relative;
  overflow: hidden;
}

.jumbotron::after {
  content: '🎸';
  position: absolute;
  right: 2rem;
  bottom: 1rem;
  font-size: 6rem;
  opacity: 0.07;
  pointer-events: none;
}

/* ── Sidebar (reference pages) ─────────────────────────────── */
.template-reference-index aside,
.template-article aside {
  background: var(--ah-bg);
  border-radius: var(--ah-radius);
  border: 1px solid var(--ah-border);
  padding: 1.25rem 1rem;
  /* Ensure the sidebar sticks to the top on sticky-capable layouts */
  position: sticky;
  top: 4.5rem;
  max-height: calc(100vh - 5rem);
  overflow-y: auto;
}

/* ── TOC (Table of Contents) sidebar ───────────────────────── */
/* Bootstrap-toc generates a nav inside the aside for articles */
#toc {
  border-left: 3px solid var(--ah-border);
  padding-left: 0.75rem;
}

#toc .nav-link {
  color: var(--ah-muted) !important;
  font-size: 0.83rem;
  font-weight: 400;
  padding: 0.3rem 0.5rem;
  border-radius: 0.3rem;
  line-height: 1.4;
  display: block;
  transition: color 0.15s, background 0.15s;
}

#toc .nav-link:hover {
  color: var(--ah-navy) !important;
  background: rgba(26, 58, 92, 0.06);
  text-decoration: none;
}

#toc .nav-link.active {
  color: var(--ah-navy) !important;
  font-weight: 600;
  background: rgba(26, 58, 92, 0.08);
  border-left: 3px solid var(--ah-teal);
  margin-left: -0.78rem;
  padding-left: 0.78rem;
}

/* Nested TOC items (h3 etc.) */
#toc .nav .nav .nav-link {
  font-size: 0.8rem;
  padding-left: 1.25rem;
}

/* TOC header label */
.template-article aside > .toc-ignore,
.template-article aside > h2 {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ah-muted);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--ah-border);
}

/* ── Article / vignette content ─────────────────────────────── */
.template-article .contents {
  max-width: 880px;
}

/* reference topic pages should not be constrained — let Bootstrap grid handle width */
.template-reference-topic .contents {
  max-width: 100%;
}

.template-article h1 {
  font-size: 2rem;
  border-bottom: 3px solid var(--ah-gold);
  padding-bottom: 0.6rem;
  margin-bottom: 1.75rem;
}

.template-article h2 {
  font-size: 1.4rem;
  margin-top: 2.25rem;
  margin-bottom: 1rem;
  color: var(--ah-navy);
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--ah-border);
}

.template-article h2::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1em;
  background: var(--ah-gold);
  border-radius: 2px;
  margin-right: 0.55rem;
  vertical-align: middle;
}

.template-article h3 {
  font-size: 1.15rem;
  color: var(--ah-navy-lt);
  margin-top: 1.5rem;
}

.template-article h4 {
  font-size: 1rem;
  color: var(--ah-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
}

/* Article lead paragraph */
.template-article .contents > p:first-of-type {
  font-size: 1.05rem;
  color: var(--ah-muted);
  line-height: 1.85;
}

/* Article images */
.template-article img {
  border-radius: var(--ah-radius);
  box-shadow: 0 2px 16px rgba(0,0,0,0.12);
  max-width: 100%;
  height: auto;
  display: block;
  margin: 1.5rem auto;
}

/* Centered image captions (em after img) */
.template-article p > em:only-child {
  display: block;
  text-align: center;
  font-size: 0.83rem;
  color: var(--ah-muted);
  margin-top: -0.75rem;
  margin-bottom: 1.25rem;
}

/* ── Code blocks ─────────────────────────────────────────────── */
pre.sourceCode, div.sourceCode, .highlight {
  background: #1a2332 !important;
  border-radius: var(--ah-radius) !important;
  padding: 1.25rem 1.5rem !important;
  margin: 1.25rem 0 !important;
  box-shadow: var(--ah-shadow);
  overflow-x: auto;
  position: relative;
  border: 1px solid rgba(255,255,255,0.05);
}

pre.sourceCode code,
div.sourceCode pre code {
  color: #e2e8f0;
  font-size: 0.83rem;
  line-height: 1.7;
}

/* Syntax highlighting */
.sourceCode .kw { color: #81a1c1; font-weight: 600; }  /* keywords */
.sourceCode .dt { color: #8fbcbb; }                     /* data types */
.sourceCode .dv { color: #b48ead; }                     /* numbers */
.sourceCode .st { color: #a3be8c; }                     /* strings */
.sourceCode .co { color: #616e88; font-style: italic; } /* comments */
.sourceCode .fu { color: #88c0d0; }                     /* functions */
.sourceCode .op { color: #81a1c1; }                     /* operators */
.sourceCode .va { color: #d8dee9; }                     /* variables */
.sourceCode .ot { color: #d8dee9; }                     /* other tokens */
.sourceCode .at { color: #8fbcbb; }                     /* attributes */
.sourceCode .sc { color: #eceff4; }                     /* special chars */
.sourceCode .an { color: #88c0d0; font-style: italic; } /* annotations */
.sourceCode .cn { color: #b48ead; }                     /* constants */
.sourceCode .er { color: #bf616a; font-weight: bold; }  /* errors */

/* Inline code */
p code, li code, td code, dt code {
  background: #e8f0fe;
  color: #1a3a5c;
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.85em;
  border: 1px solid #c3d2f0;
  font-weight: 500;
}

/* ── Output blocks ───────────────────────────────────────────── */
pre.r-output, .r-output {
  background: #f8fafc;
  border-left: 3px solid var(--ah-teal);
  border-radius: 0 var(--ah-radius) var(--ah-radius) 0;
  padding: 0.75rem 1rem;
  color: var(--ah-text);
  font-size: 0.82rem;
  margin: 0.5rem 0 1.25rem;
}

/* ── Tables ──────────────────────────────────────────────────── */
.table {
  border-radius: var(--ah-radius);
  overflow: hidden;
  box-shadow: 0 1px 8px rgba(26, 58, 92, 0.08);
  margin: 1.5rem 0;
  width: 100%;
}

.table thead th {
  background: var(--ah-navy);
  color: #fff;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: none;
  padding: 0.85rem 1rem;
}

.table tbody tr:nth-child(odd) td {
  background: rgba(26, 58, 92, 0.025);
}

.table tbody tr:hover td {
  background: rgba(8, 145, 178, 0.06);
}

.table td {
  border-color: var(--ah-border);
  padding: 0.7rem 1rem;
  font-size: 0.88rem;
  color: var(--ah-text);
}

.table td a {
  color: var(--ah-teal);
  font-weight: 500;
}

/* ── Cards (home page links) ─────────────────────────────────── */
.card {
  border: 1px solid var(--ah-border);
  border-radius: var(--ah-radius);
  box-shadow: var(--ah-shadow);
  transition: transform 0.2s, box-shadow 0.2s;
  background: #fff;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--ah-shadow-lg);
}

.card-title {
  font-family: 'Merriweather', Georgia, serif;
  font-weight: 700;
  color: var(--ah-navy);
  font-size: 1rem;
}

/* ── Callouts / alerts ───────────────────────────────────────── */
.callout {
  border-radius: var(--ah-radius);
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
}

.callout-note {
  background: #eff6ff;
  border-left: 4px solid var(--ah-blue);
}

.callout-tip {
  background: #f0fdf4;
  border-left: 4px solid var(--ah-green);
}

.callout-warning {
  background: #fffbeb;
  border-left: 4px solid #f59e0b;
}

blockquote {
  border-left: 4px solid var(--ah-teal);
  padding: 0.85rem 1.25rem;
  background: rgba(8, 145, 178, 0.06);
  border-radius: 0 var(--ah-radius) var(--ah-radius) 0;
  color: var(--ah-text);
  margin: 1.5rem 0;
}

blockquote p {
  margin: 0;
  font-size: 1.05rem;
  font-style: italic;
  color: var(--ah-navy);
}

/* ── Reference index page ─────────────────────────────────────── */
/* pkgdown 2.x uses a <table class="ref-index table"> with two columns */
.template-reference-index .section-title,
.template-reference-index h2 {
  font-family: 'Merriweather', Georgia, serif;
  color: var(--ah-navy);
  font-size: 1.25rem;
  font-weight: 700;
  border-bottom: 2px solid var(--ah-teal);
  padding-bottom: 0.3rem;
  margin-top: 2.25rem;
  margin-bottom: 0.75rem;
}

.template-reference-index h2::before {
  display: none;
}

/* The section description paragraph below h2 */
.template-reference-index h2 + p {
  font-size: 0.9rem;
  color: var(--ah-muted);
  margin-bottom: 1rem;
  background: var(--ah-bg);
  padding: 0.5rem 0.75rem;
  border-radius: 0.4rem;
  border-left: 3px solid var(--ah-border);
}

/* Reference index table */
table.ref-index {
  width: 100%;
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
}

table.ref-index col.alias { width: 35%; }
table.ref-index col.title { width: 65%; }

table.ref-index td {
  vertical-align: top;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--ah-border);
  font-size: 0.88rem;
  line-height: 1.5;
}

table.ref-index td:first-child {
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

table.ref-index td p { margin: 0; }

table.ref-index tr:last-child td { border-bottom: none; }

.template-reference-index .ref-description {
  font-size: 0.88rem;
  color: var(--ah-muted);
}

/* ── Function reference page ─────────────────────────────────── */
.template-reference-topic .usage {
  background: #1a2332;
  border-radius: var(--ah-radius);
  padding: 1rem 1.5rem;
  margin: 1rem 0;
}

.template-reference-topic .usage code {
  color: #e2e8f0;
}

.template-reference-topic h2 {
  font-size: 1.15rem;
  color: var(--ah-navy);
  border-bottom: 1px solid var(--ah-border);
  padding-bottom: 0.3rem;
  margin-top: 1.75rem;
}

.template-reference-topic h2::before {
  display: none;
}

/* ── Badges ──────────────────────────────────────────────────── */
.badge {
  font-weight: 600;
  font-size: 0.75rem;
  padding: 0.3em 0.65em;
  border-radius: 0.4rem;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn-primary {
  background: linear-gradient(135deg, var(--ah-navy), var(--ah-navy-lt));
  border: none;
  font-weight: 600;
  border-radius: 0.5rem;
  padding: 0.5rem 1.25rem;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(26, 58, 92, 0.3);
  color: #fff;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--ah-navy-lt), var(--ah-teal));
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(26, 58, 92, 0.4);
  color: #fff;
}

/* ── Footer ──────────────────────────────────────────────────── */
footer {
  background: #0f2744;
  color: rgba(255, 255, 255, 0.8);
  padding: 2rem;
  margin-top: 4rem;
  font-size: 0.85rem;
  border-top: 3px solid var(--ah-teal);
}

footer a {
  color: var(--ah-gold-lt);
  text-decoration: none;
}

footer a:hover {
  color: #fff;
  text-decoration: underline;
}

/* ── Images ──────────────────────────────────────────────────── */
img.screenshot {
  border-radius: var(--ah-radius);
  box-shadow: var(--ah-shadow);
  border: 1px solid var(--ah-border);
  max-width: 100%;
  height: auto;
}

/* ── Responsive tweaks ────────────────────────────────────────── */
@media (max-width: 768px) {
  .navbar-brand { font-size: 1rem; }
  .template-article h1 { font-size: 1.5rem; }
  pre.sourceCode { padding: 1rem !important; }
  .template-home .contents img { margin: 1rem auto; }
}

/* ── Pkgdown version / news badges ───────────────────────────── */
.version.label {
  background: rgba(255, 255, 255, 0.2);
  color: #fff !important;
  font-weight: 700;
  border-radius: 0.4rem;
  border: 1px solid rgba(255,255,255,0.35);
  padding: 0.15em 0.55em;
  font-size: 0.78rem;
}

/* Ensure version text in navbar is always visible */
.navbar .version,
.navbar span.version,
.navbar .nav-text.text-muted,
.navbar small.nav-text {
  color: rgba(255, 255, 255, 0.85) !important;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 0.35rem;
  padding: 0.1em 0.45em;
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: 0.3rem;
  vertical-align: middle;
}

/* ── Home page feature boxes ─────────────────────────────────── */
.feature-box {
  background: #fff;
  border: 1px solid var(--ah-border);
  border-radius: var(--ah-radius);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--ah-shadow);
  transition: transform 0.2s, box-shadow 0.2s;
  height: 100%;
}

.feature-box:hover {
  transform: translateY(-4px);
  box-shadow: var(--ah-shadow-lg);
}

.feature-box .icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.feature-box h4 {
  color: var(--ah-navy);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.feature-box p {
  font-size: 0.88rem;
  color: var(--ah-muted);
  margin: 0;
}

/* ── Scroll to top / anchor links ─────────────────────────────── */
a.anchor {
  color: var(--ah-teal);
  opacity: 0;
  transition: opacity 0.2s;
}

h2:hover a.anchor, h3:hover a.anchor {
  opacity: 1;
}

/* ── Copy button on code blocks ──────────────────────────────── */
.copy-button {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.8);
  border-radius: 0.35rem;
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  cursor: pointer;
  transition: background 0.2s;
}

.copy-button:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

/* ── Search box ──────────────────────────────────────────────── */
form[role="search"] {
  display: flex;
  align-items: center;
}

form[role="search"] .form-control,
.form-inline .form-control {
  border-radius: 2rem;
  border: 1.5px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.12);
  color: #fff;
  padding: 0.4rem 1rem;
  font-size: 0.88rem;
  min-width: 160px;
  transition: all 0.2s;
}

form[role="search"] .form-control::placeholder,
.form-inline .form-control::placeholder {
  color: rgba(255,255,255,0.55);
}

form[role="search"] .form-control:focus,
.form-inline .form-control:focus {
  background: rgba(255,255,255,0.2);
  border-color: var(--ah-gold-lt);
  box-shadow: 0 0 0 3px rgba(232, 197, 106, 0.3);
  color: #fff;
  outline: none;
}

/* ── Home page sidebar ───────────────────────────────────────── */
.template-home aside {
  background: var(--ah-bg);
  border-radius: var(--ah-radius);
  border: 1px solid var(--ah-border);
  padding: 1.25rem;
}

.template-home aside h2 {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ah-muted);
  border-bottom: 1px solid var(--ah-border);
  padding-bottom: 0.5rem;
  margin-bottom: 0.75rem;
}

.template-home aside a {
  color: var(--ah-teal);
  font-size: 0.9rem;
}

.template-home aside a:hover {
  color: var(--ah-navy);
}

/* ── News page ───────────────────────────────────────────────── */
.template-news h1 {
  font-size: 1.75rem;
  color: var(--ah-navy);
  border-bottom: 3px solid var(--ah-gold);
  padding-bottom: 0.5rem;
}

.template-news h2 {
  background: var(--ah-bg);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  border-left: 4px solid var(--ah-teal);
  font-size: 1.2rem;
}

.template-news h2::before {
  display: none;
}

/* ── Print overrides ─────────────────────────────────────────── */
@media print {
  .navbar, footer, aside { display: none !important; }
  body { padding-top: 0; }
  pre.sourceCode { box-shadow: none; border: 1px solid #ccc; }
}