:root {
  color-scheme: light dark;
  --bg: #0f0f0f;
  --card: #1a1a1a;
  --text: #f2f2f2;
  --muted: #a3a3a3;
  --accent: #e8b923;
  --border: #2e2e2e;
  --link: #7eb8ff;
}

* {
  box-sizing: border-box;
}

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

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.lang-switch {
  flex-shrink: 0;
  margin-top: 0.15rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
  font-family: inherit;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}

.lang-switch:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.brand {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

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

.subtitle {
  color: var(--muted);
  margin: 0.35rem 0 0;
}

nav {
  margin-top: 1rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

nav a {
  color: var(--link);
  text-decoration: none;
}

nav a:hover {
  text-decoration: underline;
}

main {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

h1 {
  font-size: 1.5rem;
  margin: 0 0 1rem;
}

h2 {
  font-size: 1.05rem;
  margin: 1.5rem 0 0.5rem;
}

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

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

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

ul {
  padding-left: 1.25rem;
}

footer {
  margin-top: 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}