:root {
  --bg: #fbfaf7;
  --surface: #f1efe8;
  --text: #1d1c1a;
  --muted: #5e5b54;
  --rule: #e2ded3;
  --link: #1f4fbf;
  --link-hover: #163a8f;
  --focus: #1f4fbf;
  --serif: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151513;
    --surface: #22211e;
    --text: #ebe9e3;
    --muted: #a9a59b;
    --rule: #33322d;
    --link: #8fb3ff;
    --link-hover: #b8cfff;
    --focus: #8fb3ff;
  }
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.7;
}

.page {
  max-width: 42rem;
  margin: 0 auto;
  padding: 3.5rem 16px 4rem;
}

h1,
h2 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.1rem, 6vw, 2.9rem);
  margin: 0 0 0.75rem;
}

h2 {
  font-size: 1.6rem;
  margin: 2.75rem 0 0.75rem;
}

p {
  margin: 0 0 1.1rem;
}

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

a:hover {
  color: var(--link-hover);
}

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

.byline {
  color: var(--muted);
  margin: 0 0 1.5rem;
}

.date {
  display: inline-block;
  background: var(--surface);
  border-radius: 6px;
  padding: 0.05rem 0.5rem;
  font-size: 0.9em;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--rule);
}

.button {
  display: inline-block;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1.4;
}

.button:hover {
  color: var(--text);
  border-color: var(--muted);
}

.essay section:first-child h2 {
  margin-top: 2.25rem;
}

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

.references li {
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0 0 0.85rem;
  padding-left: 1.25rem;
  text-indent: -1.25rem;
  overflow-wrap: anywhere;
}

.license p {
  font-size: 0.95rem;
  overflow-wrap: anywhere;
}

.site-footer {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
  overflow-wrap: anywhere;
}

.not-found {
  padding-top: 6rem;
}

@media print {
  .actions,
  .site-footer {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }
}