/* Styles shared by every page of this site. Extracted from the privacy policy
   page, whose light and dark tokens are verified for WCAG AA. */

:root {
  --paper: #faf8f4;
  --panel: #f1ece3;
  --ink: #1d1b18;
  --ink-2: #56524b;
  --accent: #8c3d10;
  --rule: #dad3c7;
  --control: #6e685d;
  --serif: Georgia, "Iowan Old Style", "Times New Roman", serif;
  --sans:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --paper: #141210;
  --panel: #1c1a16;
  --ink: #ece8e1;
  --ink-2: #b3aca0;
  --accent: #e3a878;
  --rule: #3b352c;
  --control: #8a8275;
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --paper: #141210;
    --panel: #1c1a16;
    --ink: #ece8e1;
    --ink-2: #b3aca0;
    --accent: #e3a878;
    --rule: #3b352c;
    --control: #8a8275;
    color-scheme: dark;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.65;
  overflow-wrap: break-word;
}

.skip {
  position: absolute;
  top: 0;
  left: 1rem;
  z-index: 5;
  transform: translateY(-150%);
  padding: 0.75rem 1rem;
  background: var(--paper);
  color: var(--ink);
  border: 2px solid var(--accent);
  border-radius: 6px;
  font-family: var(--sans);
  font-size: 0.9rem;
}
.skip:focus {
  transform: none;
}

.masthead-inner,
.wrap,
.footer-inner {
  max-width: 44rem;
  margin: 0 auto;
  padding-left: clamp(1rem, 4vw, 2.5rem);
  padding-right: clamp(1rem, 4vw, 2.5rem);
}

.masthead {
  border-bottom: 1px solid var(--rule);
}
.masthead-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.25rem 1.25rem;
  padding-top: 0.4rem;
  padding-bottom: 0.4rem;
}
.wordmark {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.topnav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.25rem;
}
.topnav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--rule);
  text-underline-offset: 3px;
}
.topnav a:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}
.topnav a[aria-current="page"] {
  color: var(--accent);
  text-decoration-color: var(--accent);
}
.theme {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.4rem 0.85rem;
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--control);
  border-radius: 6px;
  cursor: pointer;
}
.theme:hover {
  background: var(--panel);
}
.theme[aria-pressed="true"] {
  color: var(--accent);
  border-color: var(--accent);
}

.title-block {
  padding-top: clamp(2.25rem, 6vw, 3.5rem);
}
h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.9rem, 1.4rem + 2vw, 2.6rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
}
.lede {
  margin: 0 0 1.1rem;
  font-size: 1.125rem;
}
.stamp {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink-2);
}

.summary {
  margin-top: 1.9rem;
  padding: clamp(1.15rem, 4vw, 1.6rem) clamp(1.15rem, 4vw, 1.6rem) 1.35rem;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 6px;
}
.summary h2 {
  margin: 0 0 0.6rem;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
}
.summary ul {
  margin: 0;
  padding-left: 1.15rem;
}
.summary li + li {
  margin-top: 0.45rem;
}

.toc {
  margin-top: 2.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}
.toc h2 {
  margin: 0 0 0.35rem;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink-2);
}
.toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
}
.toc a {
  display: flex;
  align-items: center;
  min-height: 44px;
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--ink);
  text-decoration: none;
}
.toc a:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.toc .n {
  flex: none;
  width: 1.6rem;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
@media (min-width: 37.5rem) {
  .toc ol {
    columns: 2;
    column-gap: 2rem;
  }
}

.prose section {
  padding-top: clamp(2.25rem, 5vw, 2.9rem);
}
.prose h2 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.25rem, 1.1rem + 0.7vw, 1.5rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.005em;
}
.prose h2 .n {
  margin-right: 0.45rem;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.prose h3 {
  margin: 1.8rem 0 0.4rem;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
}
.prose p {
  margin: 0 0 1rem;
}
.prose ul,
.prose ol {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
}
.prose li + li {
  margin-top: 0.45rem;
}
.prose dl {
  margin: 0 0 1rem;
}
.prose dt {
  margin-top: 1rem;
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 600;
}
.prose dd {
  margin: 0.2rem 0 0;
}
.note {
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--ink-2);
}
code {
  padding: 0.08em 0.3em;
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 4px;
}

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

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

footer {
  margin-top: clamp(2.75rem, 7vw, 4rem);
  border-top: 1px solid var(--rule);
}
.footer-inner {
  padding-top: 1.4rem;
  padding-bottom: 3rem;
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink-2);
}
.footer-inner p {
  margin: 0;
}
.footer-inner p + p {
  margin-top: 0.4rem;
}

/* Home page */
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  margin-top: 1.4rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.45rem 1rem;
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--control);
  border-radius: 6px;
}
.btn:hover {
  background: var(--panel);
}
.btn-primary {
  color: var(--accent);
  border-color: var(--accent);
}

pre {
  margin: 0 0 1rem;
  padding: 0.9rem 1rem;
  overflow-x: auto;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 6px;
}
pre code {
  padding: 0;
  font-size: 0.85rem;
  background: none;
  border: 0;
  border-radius: 0;
}

.prose .steps {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}
.prose .steps li + li {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--rule);
}
.prose .steps .n {
  margin-right: 0.45rem;
  color: var(--accent);
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

@media print {
  :root,
  :root[data-theme="dark"] {
    --paper: #fff;
    --panel: #fff;
    --ink: #111;
    --ink-2: #333;
    --accent: #111;
    --rule: #bbb;
    --control: #333;
  }
  .skip,
  .masthead,
  .toc {
    display: none;
  }
}