/* ============================================================
   Variables
   ============================================================ */

:root {
  --accent:        #6366f1;
  --accent-hover:  #4f46e5;
  --accent-subtle: #eef2ff;
  --tag-bg:        #ede9fe;
  --tag-color:     #6d28d9;
  --text-base:     #111827;
  --text-muted:    #6b7280;
  --text-faint:    #9ca3af;
  --border:        #e5e7eb;
  --bg-subtle:     #f9fafb;
  --mono: 'JetBrains Mono', 'Fira Code', ui-monospace, 'Cascadia Code', Consolas, monospace;
}

/* ============================================================
   Base
   ============================================================ */

body {
  color: var(--text-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================================
   Navbar
   ============================================================ */

.navbar {
  /* border-bottom: 1px solid var(--border); */
  box-shadow: none !important;
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
}

.navbar-brand {
  /* font-weight: 800; */
  letter-spacing: -0.03em;
  color: var(--text-base) !important;
}

.navbar-brand:hover {
  color: var(--accent) !important;
}

.navbar-nav .nav-link {
  color: var(--text-muted) !important;
  transition: color 0.15s ease;
}

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

/* Align search icon and compact nav icons (RSS) to the same vertical center */
.navbar #quarto-search,
.navbar .nav-item.compact .nav-link {
  display: flex;
  align-items: center;
  padding-top: 0;
  padding-bottom: 0;
  line-height: 1;
}

/* ============================================================
   Page title (listing & regular pages)
   ============================================================ */

h1.title {
  /* font-weight: 800; */
  letter-spacing: -0.04em;
  color: var(--text-base);
  text-align: center;
}

.subtitle.lead {
  color: var(--text-muted);
  margin-top: -0.25rem;
}

/* ============================================================
   Post listing  (rendered via listing.ejs)
   ============================================================ */

.post-list {
  margin-top: 2rem;
}

.post-item {
  position: relative;
  padding: 2rem 0;
  /* border-bottom: 1px solid var(--border); */
}

.post-item:first-child {
  padding-top: 0.25rem;
}

.post-item:last-child {
  /* border-bottom: none; */
  padding-bottom: 0;
}

/* Title link — stretched-link makes the whole card clickable */
.post-title a {
  text-decoration: none;
  color: inherit;
}

.post-item:hover .post-title a,
.post-item:focus-within .post-title a {
  color: var(--accent);
}

/* --- Meta line (date · reading time) --- */

/* Pandoc wraps the inline elements in a <p>; flex on both handles it */
.post-meta-line,
.post-meta-line p {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.4rem;
}

.post-date,
.post-reading-time,
.meta-sep {
  color: var(--text-base);
  font-variant-numeric: tabular-nums;
}

/* Quarto adds anchor-link icons to headings — suppress them in the listing */
.post-item .post-title a.anchorjs-link {
  display: none;
}

/* --- Title --- */

.post-title {
  /* font-weight: 700; */
  line-height: 1.25;
  margin: 0 0 0.5rem;
  color: var(--text-base);
  letter-spacing: -0.025em;
  transition: color 0.15s ease;
}

/* --- Description --- */

.post-description {
  color: var(--text-base);
  margin: 0 0 0.75rem;
}

/* --- Category tags --- */

.post-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.post-category {
  /* font-weight: 600; */
  background: var(--tag-bg);
  color: var(--tag-color);
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  letter-spacing: 0.01em;
  text-transform: lowercase;
}

/* ============================================================
   Post / Article page
   ============================================================ */

/* Title block */
.quarto-title-block .title {
  /* font-weight: 800; */
  letter-spacing: -0.04em;
  line-height: 1.2;
}

/* Metadata row (date, author, etc.) */
.quarto-title-meta-heading {
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.quarto-title-meta-contents {
  color: var(--text-muted);
}

/* Category pills on post pages */
.quarto-categories .quarto-category {
  background: var(--tag-bg) !important;
  color: var(--tag-color) !important;
  border-color: transparent !important;
  /* font-weight: 600 !important; */
  padding: 0.2rem 0.6rem !important;
  border-radius: 100px !important;
  text-transform: lowercase;
}

/* Article headings */
article h2 {
  /* font-weight: 700; */
  letter-spacing: -0.025em;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  /* border-bottom: 1px solid var(--border); */
}

article h3 {
  /* font-weight: 700; */
  letter-spacing: -0.015em;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

/* ============================================================
   Code
   ============================================================ */

code,
kbd,
samp,
pre {
  font-family: var(--mono);
}

/* Inline code */
:not(pre) > code {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 0.25rem;
  padding: 0.1em 0.35em;
  color: #6d28d9;
  word-break: break-word;
}

/* Code blocks */
pre.sourceCode,
div.sourceCode pre {
  border-radius: 0.5rem;
}

/* ============================================================
   Table of contents (sidebar on post pages)
   ============================================================ */

#TOC {
  border-left: 2px solid var(--border);
  padding-left: 1rem;
}

* {
  font-weight: 500;
}

#TOC .active > a {
  color: var(--accent);
  /* font-weight: 600; */
}

#TOC a {
  color: var(--text-muted);
  text-decoration: none;
}

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

/* ============================================================
   Search overlay
   ============================================================ */

.aa-Panel {
  border-radius: 0.5rem !important;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15) !important;
  border: 1px solid var(--border) !important;
}

.aa-ItemIcon {
  color: var(--accent) !important;
}

/* ============================================================
   Footer
   ============================================================ */

.nav-footer {
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  padding: 1.25rem 0;
}

.nav-footer a {
  color: var(--text-muted);
}

.nav-footer a:hover {
  color: var(--accent);
}

/* ============================================================
   Utility / misc
   ============================================================ */

hr {
  border-color: var(--border);
  opacity: 1;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 576px) {
  .post-item {
    padding: 1.5rem 0;
  }
}