:root {
  --primary: #4a90e2;
  --accent: #50e3c2;
  --bg: #f4f7f9;
  --surface: #ffffff;
  --text: #2d3748;
  --muted: #718096;
  --border: #e2e8f0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary: #5fa3f5;
    --bg: #1a202c;
    --surface: #2d3748;
    --text: #f7fafc;
    --muted: #a0aec0;
    --border: #4a5568;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 72px;
}

header.site {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 24px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.logo {
  width: 52px;
  height: 52px;
  border-radius: 13px;
  background: linear-gradient(160deg, #8b3fe8, #4a90e2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

.logo svg {
  width: 28px;
  height: 28px;
}

header.site h1 {
  margin: 0;
  font-size: 21px;
  letter-spacing: -0.2px;
}

header.site p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 14px;
}

h2 {
  font-size: 20px;
  margin: 36px 0 12px;
  letter-spacing: -0.2px;
}

h3 {
  font-size: 16px;
  margin: 24px 0 8px;
}

p,
li {
  color: var(--text);
}

.muted {
  color: var(--muted);
  font-size: 14px;
}

ul {
  padding-left: 22px;
}

li {
  margin-bottom: 6px;
}

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

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
  margin: 20px 0;
}

.card h3 {
  margin-top: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0;
  font-size: 15px;
  display: block;
  overflow-x: auto;
}

th,
td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
}

footer {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  padding: 11px 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
}