:root {
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --primary: #10b981;
  --primary-text: #047857;
  --border: #e2e8f0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

header {
  background: var(--primary);
  color: #fff;
  padding: 16px;
}

header a {
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  font-size: 20px;
}

nav {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  align-items: center;
}

nav .links a {
  font-size: 15px;
  font-weight: 500;
  margin-right: 16px;
  opacity: 0.95;
}

main {
  max-width: 760px;
  margin: 24px auto;
  padding: 0 16px;
}

article {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}

h1 {
  margin-top: 0;
  font-size: 28px;
  line-height: 1.3;
}

h2 {
  margin-top: 28px;
  font-size: 20px;
}

a {
  color: var(--primary-text);
}

.muted {
  color: var(--muted);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

th,
td {
  text-align: left;
  vertical-align: top;
  border-top: 1px solid var(--border);
  padding: 8px 6px;
}

footer {
  max-width: 760px;
  margin: 0 auto 32px;
  padding: 0 16px;
  color: var(--muted);
  font-size: 14px;
}