/* SomerWiki -- generated by tools/build_site.py */
:root {
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --bg: #faf9f6;
  --bg-raised: #ffffff;
  --bg-inset: #f2f0ea;
  --ink: #212933;
  --ink-muted: #5d6873;
  --ink-faint: #8d97a1;
  --hairline: #e5e1d7;
  --hairline-strong: #cfc9bb;
  --accent: #215fa6;
  --accent-hover: #16477f;
  --accent-soft: rgba(33, 95, 166, 0.55);
  --accent-tint: rgba(33, 95, 166, 0.07);
  --callout-bg: #f8f1df;
  --callout-border: #c08a2d;
  --callout-ink: #4d4128;
  --mark: rgba(192, 138, 45, 0.22);
  --header-bg: rgba(250, 249, 246, 0.88);
  --header-h: 3.25rem;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15181d;
    --bg-raised: #1c2026;
    --bg-inset: #22262d;
    --ink: #d6d2c9;
    --ink-muted: #9aa2ab;
    --ink-faint: #6f7781;
    --hairline: #2a2f37;
    --hairline-strong: #3c434d;
    --accent: #85abdd;
    --accent-hover: #a9c6ec;
    --accent-soft: rgba(133, 171, 221, 0.55);
    --accent-tint: rgba(133, 171, 221, 0.10);
    --callout-bg: #262117;
    --callout-border: #a8813a;
    --callout-ink: #cbbd9d;
    --mark: rgba(168, 129, 58, 0.28);
    --header-bg: rgba(21, 24, 29, 0.88);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---- header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  height: var(--header-h);
  padding: 0 1.25rem;
  align-items: center;
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
  font-family: var(--sans);
}
.site-name {
  font-weight: 650;
  font-size: 1.02rem;
  letter-spacing: 0.015em;
  color: var(--ink);
  text-decoration: none;
}
.site-name span { color: var(--accent); }
.site-tag {
  font-size: 0.74rem;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
}
@media (max-width: 700px) { .site-tag { display: none; } }

/* ---- layout ---- */
.layout {
  display: grid;
  grid-template-columns: 17.5rem minmax(0, 1fr);
  max-width: 76rem;
  margin: 0 auto;
}
main { padding: 2.4rem 3rem 4.5rem; min-width: 0; }
article {
  max-width: 44rem;
  font-size: 1.0625rem;
  line-height: 1.68;
}

/* ---- sidebar ---- */
.sidebar {
  position: sticky;
  top: var(--header-h);
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto;
  padding: 1.6rem 1.4rem 3rem;
  border-right: 1px solid var(--hairline);
  font-family: var(--sans);
  scrollbar-width: thin;
}
.nav-group { margin-bottom: 1.35rem; }
.nav-group h2 {
  margin: 0 0 0.4rem;
  font-size: 0.66rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.nav-group a {
  display: block;
  padding: 0.16rem 0.5rem 0.16rem 0.6rem;
  margin-left: -0.6rem;
  border-radius: 5px;
  font-size: 0.825rem;
  line-height: 1.4;
  color: var(--ink-muted);
  text-decoration: none;
}
.nav-group a:hover { color: var(--ink); background: var(--accent-tint); }
.nav-group a.current {
  color: var(--accent);
  font-weight: 600;
  background: var(--accent-tint);
}
.nav-toggle, .nav-btn { display: none; }

@media (max-width: 960px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  main { padding: 1.8rem 1.25rem 4rem; }
  .sidebar {
    display: none;
    position: fixed;
    top: var(--header-h);
    left: 0;
    bottom: 0;
    width: min(20rem, 85vw);
    background: var(--bg-raised);
    border-right: 1px solid var(--hairline-strong);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
    z-index: 15;
  }
  .nav-toggle:checked ~ .layout .sidebar { display: block; }
  .nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    margin-right: 0.1rem;
    border-radius: 6px;
    cursor: pointer;
  }
  .nav-btn:hover { background: var(--accent-tint); }
  .nav-btn span, .nav-btn span::before, .nav-btn span::after {
    display: block;
    content: "";
    width: 1.05rem;
    height: 2px;
    border-radius: 2px;
    background: var(--ink-muted);
    position: relative;
  }
  .nav-btn span::before { position: absolute; top: -5px; }
  .nav-btn span::after { position: absolute; top: 5px; }
}

/* ---- search ---- */
.search-wrap { margin-bottom: 1.4rem; }
#search {
  width: 100%;
  padding: 0.42rem 0.65rem;
  font: inherit;
  font-size: 0.83rem;
  color: var(--ink);
  background: var(--bg-raised);
  border: 1px solid var(--hairline-strong);
  border-radius: 7px;
}
#search:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-tint);
}
#search::placeholder { color: var(--ink-faint); }
#search-results {
  list-style: none;
  margin: 0.4rem 0 0;
  padding: 0.25rem;
  background: var(--bg-raised);
  border: 1px solid var(--hairline);
  border-radius: 7px;
}
#search-results a {
  display: block;
  padding: 0.32rem 0.5rem;
  border-radius: 5px;
  font-size: 0.8rem;
  line-height: 1.35;
  color: var(--ink);
  text-decoration: none;
}
#search-results a:hover, #search-results li.active a { background: var(--accent-tint); }
#search-results .where {
  display: block;
  font-size: 0.72rem;
  color: var(--ink-faint);
}
#search-results .none {
  display: block;
  padding: 0.32rem 0.5rem;
  font-size: 0.78rem;
  color: var(--ink-faint);
}

/* ---- typography ---- */
h1 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.65rem, 3.4vw, 2.1rem);
  line-height: 1.2;
  font-weight: 650;
  letter-spacing: -0.012em;
}
.dateline {
  margin: 0 0 2.1rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--hairline);
  font-family: var(--sans);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
h2 {
  margin: 2.4rem 0 0.8rem;
  font-size: 1.35rem;
  line-height: 1.3;
  font-weight: 650;
  letter-spacing: -0.008em;
}
h3 {
  margin: 1.8rem 0 0.6rem;
  font-size: 1.08rem;
  font-weight: 650;
}
p { margin: 0 0 1.05rem; }
li { margin: 0 0 0.45rem; }
ul, ol { margin: 0 0 1.05rem; padding-left: 1.5rem; }
hr {
  margin: 2.2rem 0;
  border: 0;
  border-top: 1px solid var(--hairline);
}
strong { font-weight: 650; }
code {
  font-family: var(--mono);
  font-size: 0.82em;
  padding: 0.1em 0.32em;
  background: var(--bg-inset);
  border-radius: 4px;
}
::selection { background: var(--mark); }

/* ---- links ---- */
a { color: var(--accent); }
article a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2.5px;
  text-decoration-color: var(--accent-soft);
}
article a:hover { color: var(--accent-hover); text-decoration-color: currentColor; }
article a.ext { text-decoration-style: dotted; }
article a.ext::after {
  content: "\2197";
  font-family: var(--sans);
  font-size: 0.68em;
  vertical-align: 0.25em;
  margin-left: 0.12em;
  color: var(--ink-faint);
}
article a.raw {
  color: var(--ink-muted);
  text-decoration-style: dotted;
  text-decoration-color: var(--hairline-strong);
}
article a.raw:hover { color: var(--accent); text-decoration-color: currentColor; }
.broken {
  color: var(--ink-faint);
  border-bottom: 1px dashed var(--ink-faint);
  cursor: help;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---- blockquotes and callouts ---- */
blockquote {
  margin: 1.4rem 0;
  padding: 0.1rem 0 0.1rem 1.1rem;
  border-left: 3px solid var(--hairline-strong);
  color: var(--ink-muted);
  font-style: italic;
}
blockquote p:last-child { margin-bottom: 0; }
blockquote.callout {
  border-left: 3px solid var(--callout-border);
  background: var(--callout-bg);
  border-radius: 0 8px 8px 0;
  padding: 0.9rem 1.15rem;
  color: var(--callout-ink);
  font-family: var(--sans);
  font-style: normal;
  font-size: 0.855rem;
  line-height: 1.58;
}
blockquote.callout strong { color: inherit; }
blockquote.callout > p:first-child > strong:first-child { color: var(--callout-border); }

/* ---- tables ---- */
.table-wrap {
  margin: 1.4rem 0;
  overflow-x: auto;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  background: var(--bg-raised);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 0.85rem;
  line-height: 1.45;
  font-variant-numeric: tabular-nums;
}
th, td { padding: 0.5rem 0.9rem; text-align: left; white-space: nowrap; }
td:first-child, th:first-child { padding-left: 1.1rem; }
th {
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border-bottom: 1px solid var(--hairline-strong);
}
td { border-bottom: 1px solid var(--hairline); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: var(--accent-tint); }
th.r, td.r { text-align: right; }
th.c, td.c { text-align: center; }

/* ---- footnotes ---- */
sup.fnref { line-height: 0; }
sup.fnref a {
  font-family: var(--sans);
  font-size: 0.74em;
  font-weight: 600;
  text-decoration: none;
  padding: 0 0.14em;
}
.footnotes {
  margin-top: 3rem;
  padding-top: 0.4rem;
  border-top: 1px solid var(--hairline);
  font-family: var(--sans);
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--ink-muted);
}
.footnotes-title {
  font-size: 0.7rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 1.2rem 0 0.8rem;
}
.footnotes ol { padding-left: 1.6rem; }
.footnotes li { margin-bottom: 0.55rem; }
.footnotes li::marker { color: var(--ink-faint); font-variant-numeric: tabular-nums; }
.footnotes p { margin: 0; }
.fn-back { text-decoration: none; font-size: 0.9em; }
:target { background: var(--mark); border-radius: 3px; }
li:target, sup:target { transition: background 0.6s ease; }

/* ---- footer ---- */
.page-footer {
  max-width: 44rem;
  margin-top: 3.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--hairline);
  font-family: var(--sans);
  font-size: 0.74rem;
  color: var(--ink-faint);
}
.page-footer code { background: none; padding: 0; font-size: 1em; }

/* ---- print ---- */
@media print {
  .site-header, .sidebar, .nav-btn { display: none !important; }
  .layout { display: block; }
  article { max-width: none; }
  a { color: inherit; }
}