:root {
  --orange: #ff8a3d;
  --bg: #ffffff;
  --fg: #1c1c1e;
  --muted: #6e6e73;
  --card: #f5f5f7;
  --border: #d2d2d7;
  --accent: #0a84ff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --fg: #f5f5f7;
    --muted: #98989d;
    --card: #1c1c1e;
    --border: #3a3a3c;
  }
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}
header.brand {
  text-align: center;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.logo {
  display: inline-block;
  width: 64px;
  height: 64px;
  border-radius: 14px;
  background: linear-gradient(135deg, #4f8cff, #b54bff);
  margin-bottom: 12px;
}
header.brand h1 {
  margin: 0 0 4px;
  font-size: 28px;
  letter-spacing: -0.02em;
}
header.brand p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
nav.lang {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin: 20px 0 32px;
}
nav.lang a {
  text-decoration: none;
  color: var(--fg);
  background: var(--card);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  transition: background 0.15s;
}
nav.lang a:hover {
  background: var(--orange);
  color: white;
  border-color: var(--orange);
}
section.lang-section {
  padding-top: 32px;
}
section.lang-section + section.lang-section {
  border-top: 1px solid var(--border);
  margin-top: 48px;
}
h2 {
  font-size: 22px;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
h3 {
  font-size: 16px;
  margin: 28px 0 8px;
  font-weight: 600;
}
.flag {
  font-size: 22px;
  margin-right: 8px;
  vertical-align: -2px;
}
.updated {
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 18px;
}
p, li { font-size: 15px; }
ul { padding-left: 22px; }
li { margin-bottom: 6px; }
a { color: var(--accent); }
.tldr {
  background: var(--card);
  border-left: 3px solid var(--orange);
  padding: 14px 16px;
  border-radius: 8px;
  margin: 16px 0 24px;
  font-size: 15px;
}
footer {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
footer a {
  color: var(--muted);
  text-decoration: none;
  margin: 0 8px;
}
footer a:hover { color: var(--orange); }