:root {
  --page-bg: #f8f9fa;
  --surface: #ffffff;
  --text: #202122;
  --muted: #54595d;
  --border: #a2a9b1;
  --link: #0645ad;
  --link-visited: #0b0080;
  --link-hover: #3366cc;
  --code-bg: #f8f9fa;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--page-bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
}

a {
  color: var(--link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

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

a:hover,
a:focus-visible {
  color: var(--link-hover);
}

img {
  height: auto;
  max-width: 100%;
}

.container {
  width: min(1080px, 96%);
  margin: 0 auto;
}

.site-header {
  background: #eaecf0;
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
}

.site-title {
  color: #000000;
  font-size: 1.2rem;
  font-weight: 700;
  text-decoration: none;
}

.site-title:visited {
  color: #000000;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.site-nav a {
  color: var(--text);
  font-size: 0.92rem;
  text-decoration: none;
}

.site-nav a:visited {
  color: var(--text);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--link);
  text-decoration: underline;
}

main.container {
  width: min(980px, 94%);
  min-height: calc(100vh - 150px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 0;
  padding: 1.4rem 2rem 2.25rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.breadcrumb a {
  color: var(--muted);
}

.breadcrumb a:visited {
  color: var(--muted);
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--link);
}

.breadcrumb-separator {
  color: #72777d;
}

h1,
h2,
h3,
h4 {
  font-family: "Linux Libertine", Georgia, "Times New Roman", serif;
  font-weight: 400;
  color: #000000;
  line-height: 1.25;
}

h1 {
  margin: 0.2rem 0 1rem;
  padding-bottom: 0.22rem;
  border-bottom: 1px solid #c8ccd1;
  font-size: 2rem;
}

h2 {
  margin: 1.7rem 0 0.9rem;
  padding-bottom: 0.16rem;
  border-bottom: 1px solid #eaecf0;
  font-size: 1.55rem;
}

h3 {
  margin: 1.4rem 0 0.65rem;
  font-size: 1.2rem;
}

p,
ul,
ol,
pre,
blockquote,
table {
  margin: 0 0 0.7em;
}

ul,
ol {
  padding-left: 1.55rem;
}

li {
  margin-bottom: 0.24em;
}

code,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.92em;
}

code {
  background: var(--code-bg);
  border: 1px solid #d8dde3;
  border-radius: 2px;
  padding: 0.08rem 0.32rem;
}

pre {
  background: var(--code-bg);
  border: 1px solid #c8ccd1;
  border-left: 3px solid #a2a9b1;
  border-radius: 2px;
  overflow-x: auto;
  padding: 0.75rem 0.85rem;
}

pre code {
  background: transparent;
  border: 0;
  padding: 0;
}

/* Rouge syntax highlighting (light theme). */
.highlighter-rouge,
.highlight {
  color: #202122;
}

.highlight .c,
.highlight .ch,
.highlight .cm,
.highlight .c1,
.highlight .cs,
.highlight .cp {
  color: #6a737d;
  font-style: italic;
}

.highlight .k,
.highlight .kc,
.highlight .kd,
.highlight .kn,
.highlight .kp,
.highlight .kr {
  color: #d73a49;
}

.highlight .kt,
.highlight .nc,
.highlight .nn {
  color: #6f42c1;
}

.highlight .nb,
.highlight .bp {
  color: #e36209;
}

.highlight .nf,
.highlight .fm,
.highlight .na,
.highlight .nt {
  color: #22863a;
}

.highlight .s,
.highlight .sa,
.highlight .sb,
.highlight .sc,
.highlight .dl,
.highlight .sd,
.highlight .s1,
.highlight .s2,
.highlight .se,
.highlight .sh,
.highlight .si,
.highlight .sx,
.highlight .sr,
.highlight .ss {
  color: #032f62;
}

.highlight .m,
.highlight .mb,
.highlight .mf,
.highlight .mh,
.highlight .mi,
.highlight .mo,
.highlight .il {
  color: #005cc5;
}

.highlight .nv,
.highlight .vc,
.highlight .vg,
.highlight .vi,
.highlight .vm,
.highlight .no {
  color: #005cc5;
}

.highlight .n,
.highlight .o,
.highlight .ow,
.highlight .p {
  color: #24292e;
}

.highlight .err {
  color: #b31d28;
  background: #ffeef0;
}

.highlight .gd {
  color: #b31d28;
  background: #ffeef0;
}

.highlight .gi {
  color: #22863a;
  background: #f0fff4;
}

.highlight .gh,
.highlight .gu {
  color: #6f42c1;
  font-weight: 600;
}

blockquote {
  border-left: 3px solid #a2a9b1;
  color: var(--muted);
  margin-left: 0;
  padding: 0.25rem 0 0.25rem 1rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.96rem;
}

th,
td {
  border: 1px solid #c8ccd1;
  padding: 0.45rem 0.55rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: #eaecf0;
}

.post-list,
.latest-posts-list,
.search-results {
  list-style: none;
  margin: 0;
  padding: 0;
}

.post-list li,
.latest-posts-list li,
.search-results li {
  margin: 0;
  padding: 0.5rem 0;
  border-bottom: 1px solid #eaecf0;
}

.post-list li:last-child,
.latest-posts-list li:last-child,
.search-results li:last-child {
  border-bottom: 0;
}

.post-list li p,
.latest-posts-list li p {
  margin: 0;
}

.post-meta {
  color: var(--muted);
  font-size: 0.92rem;
}

.meta-link {
  color: var(--link);
}

.meta-link:visited {
  color: var(--link-visited);
}

.post img {
  border: 1px solid #c8ccd1;
  margin: 1rem auto;
}

.category-index {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}

.category-index li {
  margin-bottom: 0.34rem;
}

.category-count {
  color: var(--muted);
  margin-left: 0.15rem;
}

.category-section {
  margin-top: 1.8rem;
  scroll-margin-top: 80px;
}

.post-pager {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0.8rem;
  margin-top: 2rem;
  padding-top: 0.9rem;
  border-top: 1px solid #c8ccd1;
}

.post-pager-slot {
  min-width: 0;
}

.post-pager-center {
  text-align: center;
}

.post-pager-right {
  text-align: right;
}

.journal-space {
  background: #f8f9fa;
  border: 1px solid #c8ccd1;
  border-radius: 2px;
  margin: 1rem 0 1.5rem;
  padding: 0.9rem 1rem;
}

.journal-space h2 {
  border-bottom: 0;
  margin-top: 0;
  padding-bottom: 0;
}

.journal-space p {
  margin-bottom: 0.6rem;
}

.journal-prompt-list {
  margin: 0.4rem 0 0;
  padding-left: 1.3rem;
}

.journal-post-list li {
  padding: 0.6rem 0;
}

.journal-figure {
  background: #ffffff;
  border: 1px solid #c8ccd1;
  margin: 1rem 0 1.4rem;
  padding: 0.55rem;
}

.journal-figure figcaption {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.55rem;
}

.search-box {
  width: 100%;
  border: 1px solid #a2a9b1;
  border-radius: 2px;
  font-size: 1rem;
  line-height: 1.4;
  padding: 0.5rem 0.55rem;
}

.search-snippet {
  color: var(--muted);
}

.site-footer {
  width: min(980px, 94%);
  margin: 0 auto 1.6rem;
  background: #ffffff;
  border: 1px solid #c8ccd1;
  border-top: 0;
}

.site-footer .container {
  width: 100%;
  padding: 0.8rem 2rem;
}

.site-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.87rem;
}

@media (max-width: 760px) {
  .site-header .container {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    gap: 0.65rem;
  }

  main.container {
    border-left: 0;
    border-right: 0;
    padding: 1.2rem 1rem 1.6rem;
    width: 100%;
  }

  .site-footer {
    border-left: 0;
    border-right: 0;
    margin-bottom: 0;
    width: 100%;
  }

  .site-footer .container {
    padding: 0.7rem 1rem;
  }

  .post-pager {
    grid-template-columns: 1fr;
  }

  .post-pager-center,
  .post-pager-right {
    text-align: left;
  }
}