:root {
  --bg: #F5F2EE;
  --fg: #1C1714;
  --muted: #6B645C;
  --rule: rgba(28, 23, 20, 0.13);
  --accent: #9A3520;
  --accent-hover: #62200F;
  --code-bg: #EBE6E0;
  --max-width: 42rem;
}

* { box-sizing: border-box; }

html { font-size: 17px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: Georgia, "Iowan Old Style", "Palatino Linotype", "Times New Roman", serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.site-header,
.site-main,
.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.site-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--rule);
}

.site-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.site-nav {
  display: flex;
  gap: 1.25rem;
}

.site-nav a,
.site-title:hover {
  color: var(--muted);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--accent-hover);
}

.site-main { padding-top: 2.5rem; padding-bottom: 3rem; }

.intro {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--rule);
}

.intro h1 {
  font-size: 2rem;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.intro p {
  color: var(--muted);
  margin: 0;
}

.post + .post {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--rule);
}

.post-header { margin-bottom: 1.5rem; }

.post-title {
  font-size: 1.75rem;
  margin: 0 0 0.4rem;
  letter-spacing: -0.015em;
}

.post-meta {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  font-style: italic;
}

.post-content > * + * { margin-top: 1.1em; }

.post-content h2 {
  font-size: 1.3rem;
  margin-top: 2.2rem;
}

.post-content h3 {
  font-size: 1.1rem;
  margin-top: 1.8rem;
}

.post-content p { margin: 0; }

.post-content ol,
.post-content ul {
  padding-left: 1.5rem;
}

.post-content li + li { margin-top: 0.35rem; }

.post-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}

.post-content a:hover { color: var(--accent-hover); }

.post-content code {
  background: var(--code-bg);
  padding: 0.1em 0.35em;
  border-radius: 3px;
  font-size: 0.9em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.post-content pre {
  background: var(--code-bg);
  padding: 1rem;
  border-radius: 4px;
  overflow-x: auto;
}

.post-content pre code {
  background: none;
  padding: 0;
}

.post-content img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 1.5rem auto;
  border-radius: 4px;
}

.post-content blockquote {
  border-left: 3px solid var(--rule);
  padding-left: 1rem;
  color: var(--muted);
  font-style: italic;
}

.post-video {
  margin: 1.75rem 0;
}

.post-video video {
  width: 100%;
  display: block;
  border-radius: 4px;
}

.post-video figcaption {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.5rem;
  font-style: italic;
}

.page-header h1 {
  font-size: 2rem;
  margin: 0 0 1.5rem;
  letter-spacing: -0.02em;
}

.page-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-content a:hover { color: var(--accent-hover); }

.page-content ul {
  list-style: none;
  padding: 0;
}

.page-content li + li { margin-top: 0.5rem; }

.site-footer {
  padding-top: 2rem;
  padding-bottom: 2.5rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

.site-footer p { margin: 0; }

.katex-display { overflow-x: auto; overflow-y: hidden; }