:root {
  color-scheme: light dark;
  --bg: light-dark(#fff, #0d0d1a);
  --text: light-dark(#1d1d1f, #f5f5f7);
  --muted: light-dark(#6e6e73, #a1a1a8);
  --border: light-dark(rgb(0 0 0 / 10%), rgb(255 255 255 / 10%));
  --accent: light-dark(#0071e3, #0a84ff);
  --font: -apple-system, blinkmacsystemfont, "Segoe UI", system-ui, roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--font);
}

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

.bar {
  padding: 16px;
  border-bottom: 1px solid var(--border);
}

.brand {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

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

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 48px 16px;
  text-align: center;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(28px, 6vw, 48px);
  line-height: 1.15;
}

main p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.foot {
  padding: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.foot p { margin: 0; }