/* Cellwise library -- built by build-library-site. Self-contained on
   purpose: no web fonts, no frameworks, nothing loaded from anywhere else. */
:root {
  color-scheme: light dark;
  --ink: #16202a;
  --ink-soft: #4c5a68;
  --paper: #fdfdfb;
  --panel: #f2f3ef;
  --line: #d9ddd5;
  --accent: #15607a;
  --accent-ink: #ffffff;
  --note: #6b4a00;
  --note-bg: #fff6e0;
  --note-line: #e8cf92;
  --measure: 42rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8ebe6;
    --ink-soft: #a8b3ad;
    --paper: #14181b;
    --panel: #1d2225;
    --line: #333a3e;
    --accent: #6fd0ef;
    --accent-ink: #0a1216;
    --note: #f2dca6;
    --note-bg: #2a2418;
    --note-line: #5a4a24;
  }
}

* { box-sizing: border-box; }

html { font-size: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

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

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 0.5rem;
  top: 0.5rem;
  z-index: 10;
  padding: 0.5rem 0.75rem;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 0.3rem;
}

.shell {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: baseline;
  justify-content: space-between;
  padding: 1.5rem 0 1rem;
  border-bottom: 1px solid var(--line);
}
.site-name {
  font-size: 1.25rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--ink);
}
.site-nav { display: flex; gap: 1rem; font-size: 0.95rem; }

.ai-notice {
  margin: 1rem 0 0;
  padding: 0.7rem 0.9rem;
  background: var(--note-bg);
  border: 1px solid var(--note-line);
  border-radius: 0.4rem;
  color: var(--note);
  font-size: 0.9rem;
  line-height: 1.5;
}
.ai-notice strong { font-weight: 650; }

.layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2.5rem; }
@media (min-width: 60rem) {
  .layout.has-aside { grid-template-columns: minmax(0, 1fr) 17rem; }
}

main { min-width: 0; }
article { max-width: var(--measure); }
article > * + * { margin-top: 1rem; }

h1 { font-size: 1.9rem; line-height: 1.2; letter-spacing: -0.02em; margin: 1.5rem 0 0.5rem; }
h2 { font-size: 1.35rem; line-height: 1.25; margin: 2rem 0 0.5rem; }
h3 { font-size: 1.1rem; margin: 1.5rem 0 0.4rem; }

.page-meta { color: var(--ink-soft); font-size: 0.9rem; margin: 0 0 1.5rem; }
.page-summary { font-size: 1.1rem; color: var(--ink-soft); }

code, pre, kbd {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.925em;
}
code { background: var(--panel); padding: 0.1rem 0.3rem; border-radius: 0.25rem; }
pre {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  padding: 0.85rem 1rem;
  overflow-x: auto;
}
pre code { background: none; padding: 0; }

blockquote {
  margin: 1.25rem 0;
  padding: 0.25rem 0 0.25rem 1rem;
  border-left: 3px solid var(--line);
  color: var(--ink-soft);
}

.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 0.95rem; }
th, td { border: 1px solid var(--line); padding: 0.45rem 0.6rem; text-align: left; vertical-align: top; }
th { background: var(--panel); font-weight: 650; }

img { max-width: 100%; height: auto; border-radius: 0.3rem; }
figure { margin: 1.5rem 0; }
figcaption { color: var(--ink-soft); font-size: 0.9rem; }

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

.search {
  margin: 1.5rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.search label { flex: 1 1 18rem; display: block; }
.search input[type="search"] {
  width: 100%;
  padding: 0.6rem 0.75rem;
  font: inherit;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0.4rem;
}
.search input[type="search"]:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.search button {
  padding: 0.6rem 1rem;
  font: inherit;
  border-radius: 0.4rem;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
}
.search-status { color: var(--ink-soft); font-size: 0.9rem; min-height: 1.5rem; }

.cards, .results { list-style: none; margin: 1.5rem 0 0; padding: 0; display: grid; gap: 1.25rem; }
.cards > li, .results > li {
  padding: 1rem 1.1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0.5rem;
}
.cards h2, .results h3 { margin: 0 0 0.35rem; font-size: 1.1rem; }
.cards p, .results p { margin: 0.35rem 0 0; }
.card-meta, .result-tags { color: var(--ink-soft); font-size: 0.85rem; }
mark { background: #ffe9a8; color: #2a2100; padding: 0 0.1rem; border-radius: 0.15rem; }

.tag {
  display: inline-block;
  margin: 0.15rem 0.3rem 0.15rem 0;
  padding: 0.1rem 0.45rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 1rem;
  font-size: 0.8rem;
  color: var(--ink-soft);
  text-decoration: none;
}
a.tag:hover { border-color: var(--accent); color: var(--accent); }

.cta {
  margin: 2rem 0;
  padding: 1rem 1.15rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 0.5rem;
}
.cta h2, .cta h3 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.cta p { margin: 0.3rem 0 0; }
.cta-button {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.5rem 0.9rem;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 0.4rem;
  text-decoration: none;
  font-weight: 600;
}
.cta-note { color: var(--ink-soft); font-size: 0.85rem; }
.cta-price { font-variant-numeric: tabular-nums; }
.cta[hidden] { display: none; }

aside.side { font-size: 0.95rem; }
aside.side .cta { margin: 0 0 1.25rem; }

.toc { padding: 0.9rem 1.1rem; background: var(--panel); border: 1px solid var(--line); border-radius: 0.5rem; }
.toc h2 { margin: 0 0 0.4rem; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-soft); }
.toc ol { margin: 0; padding-left: 1.1rem; }
.toc li { margin: 0.2rem 0; }

.verified { color: var(--ink-soft); font-size: 0.85rem; }

.faq dt { font-weight: 650; margin-top: 1rem; }
.faq dd { margin: 0.25rem 0 0; }

.site-footer {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.9rem;
}
.site-footer p { margin: 0.35rem 0; }

@media print {
  .search, .site-nav, .cta { display: none; }
  body { background: #fff; color: #000; }
}