:root {
  --bg: #0b0f14;
  --surface: #151b23;
  --text: #f2f5f8;
  --muted: #9aa6b2;
  --accent: #c8ff3d;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  text-align: center;
}
main { max-width: 380px; width: 100%; display: flex; flex-direction: column; gap: 16px; align-items: center; }
img { width: 96px; height: 96px; border-radius: 22px; }
h1 { margin: 0; font-size: 28px; }
p { margin: 0; color: var(--muted); line-height: 1.5; }
.button {
  display: block;
  width: 100%;
  padding: 14px 20px;
  border-radius: 12px;
  font-weight: 700;
  text-decoration: none;
  background: var(--accent);
  color: var(--bg);
}
.button.secondary { background: var(--surface); color: var(--text); }