:root {
  color-scheme: light;
  --ink: #1e2528;
  --muted: #667275;
  --line: #d8dedf;
  --paper: #fbfbf8;
  --panel: #ffffff;
  --accent: #2f6f73;
  --accent-strong: #184f52;
  --warm: #b05c30;
  --code: #edf3f2;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}
a { color: var(--accent-strong); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(251, 251, 248, 0.94);
  position: sticky;
  top: 0;
  z-index: 2;
}
.brand {
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--ink);
}
nav { display: flex; gap: 18px; flex-wrap: wrap; }
main {
  width: min(1120px, calc(100vw - 36px));
  margin: 0 auto;
  padding: 42px 0 72px;
}
.hero {
  max-width: 760px;
  padding: 34px 0 18px;
}
.hero h1, article h1, main > h1 {
  font-size: clamp(2rem, 5vw, 4.4rem);
  line-height: 1.04;
  margin: 0 0 18px;
}
.lede {
  color: var(--muted);
  font-size: 1.12rem;
}
.eyebrow {
  color: var(--warm);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}
.metadata-strip, .metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin: 24px 0 42px;
}
.metadata-strip div, .metric-card {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 8px;
  padding: 14px 16px;
}
.metadata-strip span, .metric-card span, .section-heading span, .entry-row span {
  color: var(--muted);
  font-size: 0.88rem;
}
.metadata-strip strong, .metric-card strong {
  display: block;
  margin-top: 4px;
}
.metric-card {
  text-decoration: none;
  color: var(--ink);
}
.metric-card strong {
  font-size: 2rem;
  color: var(--accent-strong);
}
.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin: 34px 0 14px;
}
.section-heading h2 {
  margin: 0;
  font-size: 1.35rem;
}
.search-box {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}
.search-box span {
  color: var(--muted);
  font-size: 0.9rem;
}
input[type="search"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  font: inherit;
  background: var(--panel);
}
.entry-list {
  display: grid;
  gap: 8px;
}
.entry-row {
  display: grid;
  grid-template-columns: minmax(116px, 0.36fr) minmax(220px, 1.1fr) minmax(180px, 0.8fr);
  gap: 14px;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  text-decoration: none;
}
.entry-id {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.entry-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin: 20px 0;
}
.entry-meta div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: var(--panel);
}
dt {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
dd {
  margin: 2px 0 0;
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tags span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 9px;
  background: var(--panel);
  color: var(--muted);
  font-size: 0.82rem;
}
.doc-body {
  max-width: 860px;
  margin-top: 28px;
}
.doc-body h2, .doc-body h3, .doc-body h4 {
  margin-top: 1.65em;
  line-height: 1.16;
}
code {
  background: var(--code);
  border-radius: 5px;
  padding: 0.12em 0.32em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
}
pre {
  overflow: auto;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--code);
}
pre code {
  padding: 0;
  background: transparent;
}
blockquote {
  margin-left: 0;
  padding-left: 16px;
  border-left: 4px solid var(--accent);
  color: var(--muted);
}
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}
table {
  width: 100%;
  border-collapse: collapse;
}
th, td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
th {
  background: #edf3f2;
}
footer {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  padding: 28px 18px 40px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}
@media (max-width: 740px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .entry-row { grid-template-columns: 1fr; }
  main { width: min(100vw - 28px, 1120px); padding-top: 24px; }
}