:root {
  --bg: #ffffff;
  --text: #454545;
  --link: #07a;
  --link-visited: #941352;
  --border: #ddd;
  --quote: #456;
  --quote-mark: #666;
}

[data-theme="dark"] {
  --bg: #000000;
  --text: #d9d9d9;
  --link: #00a2e7;
  --link-visited: #ca1a70;
  --border: #333;
  --quote: #d3c9be;
  --quote-mark: #b8b8b8;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background-color: var(--bg);
  font-size: 18px;
  line-height: 1.6;
  margin: 2em auto;
  max-width: 800px;
  padding: 1em;
  -webkit-hyphens: auto;
  -ms-hyphens: auto;
  hyphens: auto;
}

h1, h2, h3 {
  line-height: 1.2;
}

a {
  color: var(--link);
}

a:visited {
  color: var(--link-visited);
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  padding-bottom: .5em;
  margin-bottom: .5em;
}

.site-header a {
  color: inherit;
  text-decoration: none;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1em;
}

.site-nav a {
  margin-left: 1em;
}

.brand {
  font-weight: bold;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  padding: .25em;
  color: inherit;
  cursor: pointer;
  line-height: 1;
}

.theme-toggle svg {
  width: 1.25em;
  height: 1.25em;
  display: block;
}

.theme-toggle .icon-moon {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: block;
}

.breadcrumb {
  margin-bottom: 2em;
  font-size: small;
}

.breadcrumb a {
  color: inherit;
}

.center {
  text-align: center;
}

.center p {
  margin: 0.5em 0;
}

.social-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1em;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  color: var(--link);
}

.social-links a:visited {
  color: var(--link-visited);
}

.social-links svg {
  width: 1.4em;
  height: 1.4em;
}

.social-links a:hover {
  opacity: 0.7;
}

.post-item {
  margin-bottom: 1.5em;
  padding-bottom: 1.5em;
  border-bottom: 1px solid var(--border);
}

.post-item:last-child {
  border-bottom: 0;
}

blockquote {
  color: var(--quote);
  margin: 2em 0;
}

blockquote:before {
  font-family: "Times New Roman", Times, serif;
  color: var(--quote-mark);
  content: open-quote;
  font-size: 2.2em;
  font-weight: 600;
  float: left;
  margin-top: 0;
  margin-right: .2rem;
  width: 1.2rem;
}