:root {
  --bg: #f7f5f0;
  --surface: #ffffff;
  --text: #1f2a24;
  --muted: #5b675f;
  --accent: #2f6b4f;
  --border: #dcd8cc;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141a17;
    --surface: #1c2420;
    --text: #e6ebe7;
    --muted: #a3b0a8;
    --accent: #7fc4a0;
    --border: #2e3a34;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}
header.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
header.top .brand { font-weight: 700; color: var(--text); text-decoration: none; }
nav.lang a { margin-left: 12px; }
a { color: var(--accent); }
h1 { font-size: 1.8rem; line-height: 1.25; margin: 0 0 4px; }
h2 { font-size: 1.2rem; margin: 32px 0 8px; }
h3 { font-size: 1rem; margin: 20px 0 4px; }
.meta { color: var(--muted); margin: 0 0 24px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  margin: 16px 0;
}
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { text-align: left; vertical-align: top; padding: 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }
.table-wrap { overflow-x: auto; }
footer { color: var(--muted); font-size: 0.9rem; margin-top: 48px; border-top: 1px solid var(--border); padding-top: 16px; }
ul.links { list-style: none; padding: 0; }
ul.links li { margin: 8px 0; }