/* Sloth knowledge base. Sage canvas, white cards, serif titles, Sloth yellow used sparingly. */

:root {
  color-scheme: light dark;
  --canvas: #eaf2e4;
  --card: #ffffff;
  --text: rgba(14, 22, 10, 0.88);
  --text-2: rgba(14, 22, 10, 0.56);
  --text-2-strong: rgba(14, 22, 10, 0.66);
  --hairline: rgba(24, 48, 16, 0.09);
  --hairline-strong: rgba(24, 48, 16, 0.16);
  --tint: rgba(24, 48, 16, 0.04);
  --yellow: #ffd21f;
  --ink: #1a140d;
  --link: #1f4d14;
  --focus: #1a140d;

  --serif: ui-serif, "New York", "Newsreader", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --radius: 14px;
  --radius-sm: 8px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #141d13;
    --card: #1c281a;
    --text: rgba(255, 255, 255, 0.92);
    --text-2: rgba(255, 255, 255, 0.62);
    --text-2-strong: rgba(255, 255, 255, 0.68);
    --hairline: rgba(255, 255, 255, 0.09);
    --hairline-strong: rgba(255, 255, 255, 0.16);
    --tint: rgba(255, 255, 255, 0.04);
    --link: #c9e6b8;
    --focus: #ffd21f;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}

a { color: var(--link); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip {
  position: absolute;
  left: 12px;
  top: -48px;
  background: var(--yellow);
  color: var(--ink);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 10;
}
.skip:focus { top: 12px; }

/* Header */

.site-header {
  border-bottom: 1px solid var(--hairline);
  background: var(--canvas);
}

.site-header-row {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
}
.brand:hover { text-decoration: none; }
.brand svg { flex: none; }
.brand-name { font-weight: 600; }
.brand-sep { color: var(--text-2); }
.brand-section { color: var(--text-2-strong); }

.site-header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.home-link {
  white-space: nowrap;
  font-size: 14px;
  color: var(--text-2-strong);
  text-decoration: none;
}
.home-link:hover { color: var(--text); text-decoration: underline; }

.menu-button {
  display: none;
  font: inherit;
  font-size: 14px;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  padding: 6px 14px;
  cursor: pointer;
}

/* Layout */

.layout {
  max-width: 1120px;
  margin: 0 auto;
  padding: 32px 24px 48px;
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.kb-nav {
  position: sticky;
  top: 24px;
  font-size: 14px;
}

.kb-nav h2 {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-2-strong);
  margin: 20px 0 6px 12px;
}
.kb-nav h2:first-child { margin-top: 0; }

.kb-nav ul { list-style: none; margin: 0; padding: 0; }

.kb-nav a {
  position: relative;
  display: block;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  color: var(--text);
  text-decoration: none;
  line-height: 1.4;
}
.kb-nav a:hover { background: var(--tint); }

.kb-nav a[aria-current="page"] {
  background: var(--card);
  box-shadow: inset 0 0 0 1px var(--hairline);
  font-weight: 600;
}
.kb-nav a[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  bottom: 7px;
  width: 3px;
  border-radius: 3px;
  background: var(--yellow);
}

/* Article */

.content { min-width: 0; }

.card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 40px 48px 44px;
}

.article { max-width: 68ch; }

.eyebrow {
  font-size: 13px;
  color: var(--text-2-strong);
  margin: 0 0 8px;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  color: var(--text);
  line-height: 1.2;
}

h1 { font-size: 38px; margin: 0 0 14px; letter-spacing: -0.01em; }
h2 { font-size: 25px; margin: 40px 0 10px; }
h3 { font-size: 19px; margin: 28px 0 6px; }

.summary {
  font-size: 18px;
  line-height: 1.55;
  color: var(--text);
  margin: 0 0 8px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--hairline);
}

p, ul, ol { margin: 0 0 14px; }
ul, ol { padding-left: 22px; }
li { margin: 4px 0; }
li > ul, li > ol { margin: 4px 0 0; }

strong { font-weight: 600; }

code, kbd {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--tint);
  border: 1px solid var(--hairline);
  border-radius: 5px;
  padding: 0.05em 0.35em;
}

kbd { white-space: nowrap; }

.ui { font-weight: 600; }

pre {
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.5;
  background: var(--tint);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  overflow-x: auto;
  margin: 0 0 16px;
}
pre code { background: none; border: 0; padding: 0; font-size: inherit; }

.callout {
  position: relative;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  background: var(--tint);
  padding: 14px 16px 14px 20px;
  margin: 20px 0;
}
.callout::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  bottom: -1px;
  width: 4px;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  background: var(--yellow);
}
.callout p:last-child, .callout ul:last-child { margin-bottom: 0; }
.callout-title { font-weight: 600; margin-bottom: 4px; }

.callout.quiet::before { background: var(--hairline-strong); }

.table-wrap { overflow-x: auto; margin: 16px 0 20px; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  line-height: 1.5;
}
th, td {
  text-align: left;
  vertical-align: top;
  padding: 9px 12px 9px 0;
  border-bottom: 1px solid var(--hairline);
}
th {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-2-strong);
  border-bottom-color: var(--hairline-strong);
}
td:last-child, th:last-child { padding-right: 0; }

.defence {
  border-top: 1px solid var(--hairline);
  padding-top: 4px;
}

.pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 20px;
  font-size: 14px;
}
.pager a {
  flex: 1 1 0;
  display: block;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  text-decoration: none;
}
.pager a:hover { border-color: var(--hairline-strong); }
.pager span { display: block; font-size: 12px; color: var(--text-2-strong); }
.pager .next { text-align: right; }
.pager .spacer { flex: 1 1 0; }

/* Index */

.article-groups h2 { font-size: 21px; margin: 32px 0 10px; }
.article-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.article-list a {
  display: block;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: var(--text);
  text-decoration: none;
}
.article-list a:hover { border-color: var(--hairline-strong); }
.article-list strong { display: block; font-family: var(--serif); font-weight: 400; font-size: 19px; }
.article-list span { display: block; font-size: 14px; color: var(--text-2-strong); margin-top: 2px; }

/* Footer */

.site-footer {
  border-top: 1px solid var(--hairline);
  font-size: 13px;
  color: var(--text-2-strong);
}
.site-footer-row {
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px 24px 28px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
}
.site-footer a { color: inherit; }

/* Narrow screens: the article list becomes a top menu */

@media (max-width: 720px) {
  .menu-button { display: inline-block; }
  .brand { font-size: 14px; gap: 8px; }

  .layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    padding: 16px 16px 40px;
  }

  .kb-nav {
    position: static;
    background: var(--card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius);
    padding: 14px 8px;
  }
  .js .kb-nav { display: none; }
  .js .kb-nav.is-open { display: block; }

  .card { padding: 24px 20px 28px; }
  h1 { font-size: 30px; }
  h2 { font-size: 22px; }
  .summary { font-size: 17px; }
  .pager { flex-direction: column; }
  .pager .spacer { display: none; }
}

@media (max-width: 420px) {
  .site-header-row { padding-left: 16px; padding-right: 16px; }
  .site-header-actions { gap: 12px; }
  .brand-sep, .brand-section { display: none; }
}

@media print {
  .site-header, .kb-nav, .pager, .menu-button { display: none; }
  .layout { display: block; }
  .card { border: 0; padding: 0; }
}