/* SiteRepairManual — minimal single-column theme. No deps. */
:root {
  --ink: #1a1a1a;
  --muted: #6b6b6b;
  --faint: #6f6f6f;
  --accent: #1d5c3f;
  --rule: #e6e1d8;
  --bg: #fdfcfa;
  --key-bg: #eef6f0;
  --key-border: #1d5c3f;
  --trap-bg: #fff8e1;
  --trap-border: #b58900;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

.wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- header ---------- */
.site-head {
  padding: 44px 0 20px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 8px;
}

.site-head .wordmark {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin: 0 0 4px;
}

.site-head .wordmark a { color: var(--ink); text-decoration: none; }

.site-head .tagline {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 15px;
}

.site-nav { font-size: 14px; }
.site-nav a {
  color: var(--muted);
  text-decoration: none;
  margin-right: 18px;
  padding: 6px 0;
}
.site-nav a:hover { color: var(--accent); text-decoration: underline; }

/* ---------- pages ---------- */
.about h1, .page-title {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 26px;
  letter-spacing: -0.3px;
  margin: 30px 0 12px;
}
.about h2, main h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 21px;
  letter-spacing: -0.2px;
  margin: 28px 0 10px;
}
.about h3, main h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 19px;
  line-height: 1.3;
  margin: 24px 0 8px;
}
.about p, main p { margin: 0 0 16px; }
.about ul, main ul, .about ol, main ol { margin: 0 0 16px; padding-left: 22px; }
.about li, main li { margin-bottom: 8px; }
.about a, main a { color: var(--accent); }
.about a:hover, main a:hover { color: var(--ink); }

.note-muted { color: var(--muted); font-size: 15px; }
.page-dek { color: var(--muted); font-size: 15px; margin-top: 0; }

/* ---------- archive ---------- */
.archive-list { list-style: none; padding: 0; margin: 10px 0 30px; }
.archive-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 16px;
}
.archive-list li a { color: var(--ink); text-decoration: none; font-weight: 600; }
.archive-list li a:hover { color: var(--accent); }
.archive-list .d { color: var(--muted); font-size: 14px; margin-left: 8px; margin-right: 12px; font-variant-numeric: tabular-nums; }
.archive-list .c { color: var(--faint); font-size: 13px; display: block; margin-top: 2px; }

/* ---------- tutorial furniture ---------- */
.meta {
  color: var(--muted);
  font-size: 14px;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 12px;
  margin: 0 0 20px;
}

.toc {
  border: 1px solid var(--rule);
  background: #f8f6f1;
  padding: 14px 18px;
  margin: 0 0 24px;
}
.toc p { margin: 0 0 6px; font-weight: 700; font-size: 15px; }
.toc ul { margin: 0; padding-left: 20px; }
.toc li { margin-bottom: 4px; font-size: 15px; }

.key-result {
  background: var(--key-bg);
  border-left: 4px solid var(--key-border);
  padding: 12px 16px;
  margin: 20px 0;
}
.key-result p { margin: 0; }
.key-result strong { color: var(--key-border); }

.trap {
  background: var(--trap-bg);
  border-left: 4px solid var(--trap-border);
  padding: 12px 16px;
  margin: 20px 0;
}
.trap p { margin: 0; }
.trap strong { color: #7a5c00; }

/* ---------- code blocks ---------- */
.code-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 18px 0 0;
}
.code-label + pre { margin-top: 4px; }
pre {
  background: #f4f1ea;
  border: 1px solid var(--rule);
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 14.5px;
  line-height: 1.55;
  margin: 0 0 16px;
}
pre code { overflow-wrap: normal; white-space: pre; }
code { overflow-wrap: break-word; }
p, li { overflow-wrap: break-word; }

/* ---------- result table ---------- */
table.results {
  border-collapse: collapse;
  width: 100%;
  font-size: 15px;
  margin: 0 0 16px;
}
table.results th, table.results td {
  border: 1px solid var(--rule);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}
table.results th { background: #f8f6f1; }
.status-ok { color: var(--key-border); font-weight: 700; }
.status-bad { color: #a33; font-weight: 700; }

/* ---------- skip link / focus ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 8px 14px;
  z-index: 10;
}
.skip-link:focus { left: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- footer ---------- */
.site-foot {
  border-top: 1px solid var(--rule);
  margin-top: 40px;
  padding: 18px 0 60px;
  font-size: 13px;
  color: var(--faint);
}
.site-foot a { color: var(--faint); }

/* ---------- narrow viewports ---------- */
@media (max-width: 520px) {
  body { font-size: 16px; }
  .site-head { padding-top: 28px; }
  .site-head .wordmark { font-size: 25px; }
}