:root {
  color-scheme: light;
  --text: #374151;
  --heading: #111827;
  --link: #1d4ed8;
  --border: #e5e7eb;
  --muted: #6b7280;
  --quote-bg: #f9fafb;
  --quote-border: #e5a84e;
  --nav-bg: #fffdf7;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "DM Sans", system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  background: #ffffff;
}

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

a:hover {
  text-decoration: none;
}

.site-nav {
  background: var(--nav-bg);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.25rem;
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-nav-inner {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  align-items: center;
  font-size: 14px;
}

.site-nav strong {
  color: var(--heading);
  margin-right: 0.25rem;
}

.site-nav a {
  text-decoration: none;
}

.site-nav a.active {
  font-weight: 600;
  color: var(--heading);
}

.page {
  max-width: 860px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.page h1 {
  font-size: 2rem;
  line-height: 1.2;
  color: var(--heading);
  margin: 0 0 1rem;
}

.page h2 {
  font-size: 1.35rem;
  color: var(--heading);
  margin: 2rem 0 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

.page h3 {
  font-size: 1.1rem;
  color: var(--heading);
  margin: 1.5rem 0 0.5rem;
}

.page p,
.page li {
  margin: 0.5rem 0;
}

.page ul,
.page ol {
  padding-left: 1.4rem;
}

.page hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

.page blockquote {
  margin: 1rem 0;
  padding: 0.75rem 1rem;
  background: var(--quote-bg);
  border-left: 4px solid var(--quote-border);
  color: var(--heading);
}

.page blockquote p {
  margin: 0;
}

.page table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 14px;
}

.page th,
.page td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  text-align: left;
}

.page th {
  background: #f9fafb;
  color: var(--heading);
}

.page img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 1rem 0;
  display: block;
}

.page figure {
  margin: 1.25rem 0;
}

.page figcaption {
  font-size: 13px;
  color: var(--muted);
  margin-top: 0.35rem;
}

.page code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  background: #f3f4f6;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

.page pre {
  background: #111827;
  color: #f9fafb;
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 13px;
}

.page pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

.back-link {
  font-size: 14px;
  margin-bottom: 1rem;
}