:root {
  color-scheme: dark;
  --bg: #0f0f1a;
  --card: #1a1a2e;
  --text: #f5f5f5;
  --muted: #a0a0b8;
  --accent: #7c4dff;
  --border: #2a2a40;
}

* { box-sizing: border-box; }

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

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

.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

header h1 {
  margin: 0 0 8px;
  font-size: 2rem;
}

.subtitle, .meta {
  color: var(--muted);
  margin: 0 0 24px;
}

.cards {
  display: grid;
  gap: 16px;
  margin-bottom: 32px;
}

.card {
  display: block;
  padding: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s;
}

.card:hover { border-color: var(--accent); }
.card h2 { margin: 0 0 8px; font-size: 1.2rem; }
.card p { margin: 0; color: var(--muted); }

.content h2 {
  margin-top: 32px;
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.content h3 {
  margin-top: 24px;
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.content p, .content li { color: #d8d8e8; }

.content ul { padding-left: 1.25rem; }

.content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.95rem;
}

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

.content th { background: var(--card); }

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-bottom: 28px;
  font-size: 0.95rem;
}

footer {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}