:root {
  color-scheme: light;
  --background: #fcfcf8;
  --foreground: #171717;
  --muted: #666;
  --border: #d8d8cf;
  --link: #0f5f8f;
  --code-bg: #f2f2eb;
}

html {
  background: var(--background);
  color: var(--foreground);
  font-size: 18px;
  line-height: 1.65;
}

body {
  margin: 0 auto;
  max-width: 42rem;
  padding: 2rem 1.25rem 4rem;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
}

a {
  color: var(--link);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.16em;
}

a:hover {
  text-decoration-style: wavy;
}

p,
ul,
ol,
pre,
blockquote {
  margin: 0 0 1.1rem;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0 0 0.75rem;
  font-weight: 600;
}

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.2rem;
  margin-top: 2rem;
}

code,
pre,
kbd,
samp {
  font-family: "Iosevka", "SFMono-Regular", "SF Mono", Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
}

code {
  background: var(--code-bg);
  border-radius: 0.2rem;
  padding: 0.1rem 0.28rem;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 0.35rem;
  overflow-x: auto;
  padding: 0.85rem 1rem;
}

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

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

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

.site-header,
.site-footer {
  align-items: baseline;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
}

.site-header {
  margin-bottom: 3rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding-top: 1rem;
}

.site-title {
  color: inherit;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.site-nav a {
  color: inherit;
}

.page-header {
  margin-bottom: 1.25rem;
}

.home-section + .home-section {
  margin-top: 2rem;
}

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

.post-list li,
.link-list li {
  border-top: 1px solid var(--border);
  padding: 0.75rem 0;
}

.meta {
  color: var(--muted);
  display: inline-block;
  font-size: 0.92rem;
  margin-left: 0.5rem;
}

.contact-card {
  border-top: 1px solid var(--border);
  margin-top: 2rem;
  padding-top: 1rem;
}

.label {
  color: var(--muted);
  margin-right: 0.75rem;
}

.obfuscated {
  letter-spacing: 0.02em;
}

.contact-svg {
  display: block;
  height: auto;
  max-width: min(100%, 20rem);
}

.katex-display {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.25rem 0;
}

@media (max-width: 640px) {
  body {
    font-size: 17px;
    padding: 1.25rem 1rem 3rem;
  }

  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}