:root {
  --bg: #0f0e1a;
  --fg: #e8e6f0;
  --muted: #9b97b3;
  --accent: #b39dff;
  --border: rgba(179, 157, 255, 0.18);
  --card: rgba(26, 26, 46, 0.6);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 24px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.brand {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.brand-accent { color: var(--accent); }

.lang {
  display: flex;
  gap: 8px;
  font-size: 13px;
}

.lang a {
  color: var(--muted);
  text-decoration: none;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
}

.lang a.active {
  color: var(--fg);
  border-color: var(--accent);
  background: rgba(179, 157, 255, 0.08);
}

h1 {
  font-size: 28px;
  margin: 0 0 8px;
}

.subtitle {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 32px;
}

h2 {
  font-size: 20px;
  margin: 32px 0 12px;
  color: var(--accent);
}

h3 {
  font-size: 16px;
  margin: 20px 0 8px;
}

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

p { margin: 0 0 12px; }

ul { padding-left: 22px; margin: 8px 0 16px; }
li { margin-bottom: 6px; }

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

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 20px;
  margin: 20px 0;
}

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

footer {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
}

footer a { color: var(--muted); margin-right: 12px; }

code {
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}