:root {
  color-scheme: light dark;
  --background: #f2f2f7;
  --card: #ffffff;
  --text: #000000;
  --secondary: #3c3c4399;
  --accent: #007aff;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #000000;
    --card: #1c1c1e;
    --text: #ffffff;
    --secondary: #ebebf599;
    --accent: #0a84ff;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--background);
  color: var(--text);
}

main {
  max-width: 420px;
  margin: 24px;
  padding: 32px 24px;
  border-radius: 24px;
  background: var(--card);
  text-align: center;
  line-height: 1.45;
}

h1 {
  margin: 0 0 12px;
  font-size: 28px;
}

.emoji {
  margin: 0;
  font-size: 64px;
}

.small {
  color: var(--secondary);
  font-size: 15px;
}

.button {
  display: block;
  margin: 24px 0 8px;
  padding: 14px;
  border-radius: 14px;
  background: var(--accent);
  color: #ffffff;
  font-size: 17px;
  font-weight: 600;
  text-decoration: none;
}