/* =========================================================================
   The Polsley Pulse  --  a lightweight, tilde-flavored blog theme
   Ethos: basic design elements, generous whitespace, readability first.
   ========================================================================= */

:root {
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;

  --bg: #fdfdfb;
  --text: #1f2328;
  --muted: #6b7177;
  --faint: #9aa0a6;
  --accent: #0f766e;
  --accent-hover: #0b5a54;
  --border: #e7e7e2;
  --code-bg: #f4f4f0;

  --measure: 860px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}

/* ---- Links ------------------------------------------------------------- */
a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* ---- Headings ---------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-mono);
  font-weight: 600;
  line-height: 1.25;
  color: var(--text);
}
h1 { font-size: 1.7rem; margin: 1.6rem 0 0.6rem; }
h2 { font-size: 1.3rem; margin: 2rem 0 0.6rem; }
h3 { font-size: 1.08rem; margin: 1.6rem 0 0.4rem; }

/* ---- Tilde mark -------------------------------------------------------- */
.tilde,
.blog-mark {
  display: inline-block;
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 700;
  margin-right: 0.4rem;
  transform: translateY(-0.05em);
}

/* =========================================================================
   Site header / nav
   ========================================================================= */
.site-header {
  border-bottom: 1px solid var(--border);
  margin-bottom: 2.5rem;
}
.site-header-inner {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 1.1rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.25rem;
}
.brand {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}
.brand:hover {
  text-decoration: none;
  color: var(--text);
}
.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.92rem;
}
.site-nav a {
  color: var(--muted);
}
.site-nav a:hover {
  color: var(--accent);
  text-decoration: none;
}
.site-nav a.is-active {
  color: var(--text);
  border-bottom: 2px solid var(--accent);
}
.site-nav .nav-ext::after {
  content: " \2197"; /* up-right arrow */
  font-size: 0.85em;
}

/* =========================================================================
   Home page
   ========================================================================= */
.home {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 2.5rem;
}
.home-main {
  flex: 1 1 auto;
  min-width: 0;
}
.home-aside {
  flex: 0 0 200px;
  position: sticky;
  top: 1.5rem;
  text-align: center;
}
.home-aside .avatar {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border);
}
.home-aside .aside-name {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  margin: 0.9rem 0 0.2rem;
}
.home-aside .aside-tagline {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 1rem;
}
.aside-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}
.aside-links li { margin: 0; }
.aside-links .primary a {
  display: block;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--accent);
  border-radius: 6px;
  color: var(--accent);
}
.aside-links .primary a:hover {
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}

.intro p { color: var(--text); }
.intro .lead { font-size: 1.05rem; }

/* Section quick-links (All Posts / Projects) */
.section-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.92rem;
}
.section-links a {
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
}
.section-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

/* =========================================================================
   Post listings (home recent + /posts/)
   ========================================================================= */
.section-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.4rem;
  margin: 2.25rem 0 0.5rem;
}
.listing { margin: 0; }
.post.other.link,
.listing .post {
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--border);
}
.listing .post h2,
.listing .post h3 {
  margin: 0 0 0.15rem;
  font-size: 1.15rem;
}
.listing .post h2 a,
.listing .post h3 a { color: var(--text); }
.listing .post h2 a:hover,
.listing .post h3 a:hover { color: var(--accent); }
.post-date,
.meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--faint);
  margin: 0 0 0.4rem;
}
.listing .post p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}
.see-all {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  margin-top: 1.25rem;
}

/* Pagination */
.pagination {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  text-align: center;
  margin: 2.5rem 0 0;
  color: var(--muted);
}
.pagination .page_number { color: var(--faint); }

/* =========================================================================
   Generic page header (used by /posts/, post, /projects/)
   ========================================================================= */
.page-head { margin-bottom: 1.5rem; }
.page-head h1 { margin-top: 0; }
.page-head .tagline {
  color: var(--muted);
  font-size: 1rem;
  margin: 0.2rem 0 0;
}
/* legacy .header wrapper still used in a few templates */
.header h1 { margin-top: 0; }

/* =========================================================================
   Single post
   ========================================================================= */
.post-back {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  margin: 0 0 1.5rem;
}
.post-title {
  font-size: 1.7rem;
  margin: 0.5rem 0 0.25rem;
}
.post {
  font-size: 1.02rem;
}
.post p { margin: 1.1rem 0; }
.post img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}
.post blockquote {
  margin: 1.2rem 0;
  padding: 0.2rem 1rem;
  border-left: 3px solid var(--border);
  color: var(--muted);
}
.post ul, .post ol { padding-left: 1.4rem; }
.post li { margin: 0.3rem 0; }
.post hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* Inline + block code */
code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--code-bg);
  padding: 0.12em 0.35em;
  border-radius: 4px;
}
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.5;
}
pre code {
  background: none;
  padding: 0;
  font-size: inherit;
}

/* Callouts (used inside posts via {: .callout} / {: .sidebar-callout}) */
.callout {
  background: var(--code-bg);
  padding: 0.9rem 1.1rem;
  margin: 1.5rem 0;
  border-radius: 6px;
  border-left: 3px solid var(--accent);
  font-size: 0.95rem;
  line-height: 1.55;
}
.callout p { margin: 0.4rem 0; }
.callout p:first-child { margin-top: 0; }
.callout p:last-child { margin-bottom: 0; }

.sidebar-callout {
  float: right;
  width: 250px;
  margin: 0.4rem 0 1.2rem 1.75rem;
  padding: 0.9rem 1.1rem;
  background: #fbfbf8;
  border-left: 3px solid var(--accent);
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-style: normal;
  line-height: 1.55;
  color: var(--muted);
}
.sidebar-callout p { margin: 0; }

/* Pull the marginalia into the right whitespace on wide viewports */
@media (min-width: 1180px) {
  .sidebar-callout {
    margin-right: -150px;
    width: 270px;
  }
}
@media (max-width: 600px) {
  .sidebar-callout {
    float: none;
    width: auto;
    margin: 1.5rem 0;
  }
}

.keep-in-touch { margin-top: 2.5rem; }

/* =========================================================================
   Projects grid (reuses legacy .grid/.col-1-2/.content markup)
   ========================================================================= */
.grid,
.grid-pad {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin: 1.75rem 0 0;
  width: auto;
  padding: 0;
}
.col-1-2 { width: auto; padding: 0; }
.content {
  height: 100%;
  padding: 1.1rem 1.2rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.content b {
  font-family: var(--font-mono);
  font-size: 1rem;
}
.content p { margin: 0.5rem 0 0; }
.content img {
  max-width: 72px;
  height: auto;
  border-radius: 4px;
  margin: 0 0.75rem 0.4rem 0;
}

/* =========================================================================
   Footer
   ========================================================================= */
.site-footer {
  margin-top: 3.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--faint);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  justify-content: space-between;
}
.site-footer a { color: var(--muted); }

/* =========================================================================
   Responsive
   ========================================================================= */
@media (max-width: 640px) {
  body { font-size: 17px; }
  .home {
    flex-direction: column;
    gap: 1.75rem;
  }
  .home-aside {
    order: -1; /* keep the photo + links bar at the top on mobile */
    position: static;
    flex-basis: auto;
    width: 100%;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
  }
  .home-aside .avatar { width: 84px; height: 84px; flex-shrink: 0; }
  .home-aside .aside-info { flex: 1; }
  .home-aside .aside-name { margin-top: 0; }
  .home-aside .aside-tagline { margin-bottom: 0.6rem; }
  .aside-links {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.4rem 0.9rem;
  }
  .grid, .grid-pad { grid-template-columns: 1fr; }
}