/* Medium-style reading serif (Source Serif 4 ≈ Charter); Noto Serif for Persian glyphs */
:root {
  --blog-serif: "Source Serif 4", "Noto Serif", Georgia, Cambria, "Times New Roman", Times, serif;
  --blog-fa: "Iranian Sans", "Noto Sans Arabic", "Vazirmatn", Tahoma, sans-serif;
}

html[dir="rtl"] {
  --blog-serif: var(--blog-fa);
}

.blog .main {
  font-family: var(--blog-serif);
  font-size: 1.15em;
  line-height: 1.58;
  letter-spacing: -0.004em;
  color: #242424;
}

.blog .blog-nav,
.blog .blog-site-nav,
.blog .blog-lang-switch,
.blog .post-date,
.blog .post-meta,
.blog .blog-loading {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.9rem;
  letter-spacing: normal;
  line-height: 1.6;
}

.blog-header {
  margin-bottom: 2em;
  border-bottom: 2px solid #eee;
  padding-bottom: 1em;
}

.blog-header h1 {
  margin-top: 0;
}

.blog-site-titles {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25em 0.5em;
  margin: 0 0 0.5em 0;
  padding: 0;
  font-family: var(--blog-serif);
  font-size: 2.2em;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.011em;
  color: #242424;
}

.blog-site-titles .blog-site-title {
  margin: 0;
  padding: 0;
  font: inherit;
  color: inherit;
  letter-spacing: inherit;
}

.blog-site-title-sep {
  color: #ccc;
  font-weight: 400;
  user-select: none;
}

.blog-header > .blog-site-title {
  margin: 0 0 0.35em 0;
  padding: 0;
  font-family: var(--blog-serif);
  font-size: 2.2em;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.011em;
  color: #242424;
}

.blog-header > .blog-site-title:last-of-type {
  margin-bottom: 0.5em;
}

.blog-site-nav {
  margin: 0 0 1.5em 0;
  padding: 0;
}

.blog-site-nav a {
  color: #0489B1;
}

.blog-site-nav a.blog-site-nav-current {
  color: #888;
  font-weight: 700;
  pointer-events: none;
}

.blog-about-section {
  margin: 0 0 2em 0;
  padding: 0;
}

.blog-about-section p {
  padding-left: 0;
  padding-right: 0;
}

.blog-nav {
  margin: 0 0 1.5em 0;
  padding: 0;
}

.blog-nav a {
  color: #0489B1;
}

.blog-post-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.blog-post-list li {
  margin: 0 0 1.5em 0;
  padding: 0 0 1.5em 0;
  border-bottom: 1px solid #eee;
}

.blog-post-list li:last-child {
  border-bottom: none;
}

.blog-post-list .post-date {
  color: #888;
  font-size: 0.95em;
  margin: 0 0 0.25em 0;
  padding: 0;
}

.blog-post-list .post-title {
  font-family: var(--blog-serif);
  font-size: 1.35em;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em 0;
  padding: 0;
}

.blog-post-list .post-excerpt {
  font-family: var(--blog-serif);
  margin: 0;
  padding: 0;
  color: #242424;
  line-height: 1.58;
}

.blog-post-list .post-title a {
  color: #242424;
  text-decoration: none;
}

.blog-post-list .post-title a:hover {
  color: #0489B1;
}

.blog-article {
  max-width: 750px;
}

.blog-article #post-title {
  font-family: var(--blog-serif);
  font-size: 2.2em;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.011em;
  color: #242424;
  border-bottom: none;
  margin: 0 0 0.5em 0;
}

.blog-article .post-body {
  font-family: var(--blog-serif);
  line-height: 1.58;
  letter-spacing: -0.004em;
}

.blog-article .post-body h2,
.blog-article .post-body h3,
.blog-article .post-body h4 {
  font-family: var(--blog-serif);
  font-weight: 600;
  color: #242424;
  letter-spacing: -0.01em;
  padding-left: 0;
  padding-right: 0;
}

.blog-article .post-body p,
.blog-article .post-body li {
  color: #242424;
}

.blog-about-section h2 {
  font-family: var(--blog-serif);
  font-weight: 600;
  color: #242424;
  letter-spacing: -0.01em;
}

.blog-about-section p {
  font-family: var(--blog-serif);
  line-height: 1.58;
  color: #242424;
}

.blog-article .post-meta {
  color: #888;
  margin: 0 0 1.5em 0;
  padding: 0;
}

.blog-article .post-body p,
.blog-article .post-body ul,
.blog-article .post-body ol,
.blog-article .post-body dl,
.blog-article .post-body blockquote {
  padding-left: 0;
  padding-right: 0;
}

.blog-article .post-body ul,
.blog-article .post-body ol {
  margin: 0 1.5em 1.25em 0;
  padding-right: 1.5em;
}

html[dir="ltr"] .blog-article .post-body ul,
html[dir="ltr"] .blog-article .post-body ol {
  margin: 0 0 1.25em 1.5em;
  padding-right: 0;
  padding-left: 1.5em;
}

.blog-article .post-body iframe {
  display: block;
  margin: 1.25em auto;
  max-width: 100%;
}

.blog-article .post-body img {
  display: block;
  margin: 1.25em auto;
  max-width: 100%;
  height: auto;
}

.blog-figure {
  margin: 1.5em auto;
  max-width: 100%;
  text-align: center;
}

.blog-figure img {
  display: block;
  margin: 0 auto;
}

.blog-figure figcaption {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.875em;
  line-height: 1.45;
  color: #6b6b6b;
  margin-top: 0.6em;
  padding: 0 0.5em;
  letter-spacing: normal;
}

html[dir="rtl"] .blog-figure figcaption {
  font-family: Arial, Helvetica, sans-serif;
}

.blog-loading,
.blog-error {
  color: #888;
  padding: 0;
}

.blog-lang-switch {
  margin: 0 0 0.5em 0;
  padding: 0;
  font-size: 0.95em;
}

.blog-lang-switch a {
  color: #0489B1;
}

.blog-lang-current {
  color: #888;
  font-weight: 700;
}

.blog-lang-sep {
  color: #ccc;
}