:root {
  color-scheme: light dark;
  --text: #1c1b1f;
  --muted: #5f5b66;
  --accent: #2e6b4f;
  --bg: #fdfcfa;
  --panel: #f1efe9;
  --warn-bg: #fff4d6;
  --warn-text: #5c4300;
  --line: #dedad2;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #ece9e4;
    --muted: #b3ada5;
    --accent: #8fd1ad;
    --bg: #161514;
    --panel: #23211f;
    --warn-bg: #3d3100;
    --warn-text: #ffe3a1;
    --line: #3a3733;
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
}

header,
main,
footer {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-top: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
}

.brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.01em;
}

main {
  padding-top: 1.5rem;
  padding-bottom: 3rem;
}

h1 {
  font-size: 1.9rem;
  line-height: 1.25;
  margin: 0.5rem 0 0.25rem;
}

h2 {
  font-size: 1.3rem;
  margin: 2.25rem 0 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--line);
}

h3 {
  font-size: 1.05rem;
  margin: 1.5rem 0 0.25rem;
}

a {
  color: var(--accent);
}

.meta {
  color: var(--muted);
  margin-top: 0;
}

.lead {
  font-size: 1.15rem;
}

.summary,
.draft {
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  margin: 1rem 0;
}

.summary {
  background: var(--panel);
}

.summary ul {
  margin: 0.25rem 0;
  padding-left: 1.25rem;
}

.draft {
  background: var(--warn-bg);
  color: var(--warn-text);
  font-weight: 600;
}

.placeholder {
  background: var(--warn-bg);
  color: var(--warn-text);
  padding: 0 0.25rem;
  border-radius: 0.25rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.75rem 0;
  font-size: 0.95rem;
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: 0.5rem 0.5rem 0.5rem 0;
  border-bottom: 1px solid var(--line);
}

th {
  font-weight: 600;
}

footer {
  padding-top: 1rem;
  padding-bottom: 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

footer p {
  margin: 0.25rem 0;
}

@media (max-width: 30rem) {
  table,
  thead,
  tbody,
  tr,
  th,
  td {
    display: block;
  }

  thead {
    display: none;
  }

  tr {
    border-bottom: 1px solid var(--line);
    padding: 0.5rem 0;
  }

  td {
    border: none;
    padding: 0.1rem 0;
  }

  td:first-child {
    font-weight: 600;
  }
}