:root {
  color-scheme: light dark;
  --bg: #0b0d10;
  --fg: #e7e9ec;
  --muted: #8a9099;
  --accent: #6ea8fe;
  --surface: #14181d;
  --border: #232a31;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.55;
}

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

a:hover {
  text-decoration: underline;
}

button {
  font: inherit;
  color: var(--fg);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.5rem 0.9rem;
  border-radius: 0.375rem;
  cursor: pointer;
}

button:hover {
  border-color: var(--accent);
}

pre {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1rem;
  border-radius: 0.5rem;
  overflow-x: auto;
  font-size: 13px;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

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