:root {
  --ground: #3a7bd5;
  --ink: #ffffff;
  --muted: rgba(255, 255, 255, 0.82);
  --button: #ffffff;
  --button-ink: #17407a;
  --secondary: rgba(255, 255, 255, 0.16);
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #12284a;
    --muted: rgba(255, 255, 255, 0.72);
    --button-ink: #12284a;
  }
}
* { box-sizing: border-box; margin: 0; }
html, body { height: 100%; }
body {
  background: var(--ground);
  color: var(--ink);
  font: 17px/1.45 ui-rounded, -apple-system, "SF Pro Rounded", system-ui, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  text-align: center;
}
main { width: 100%; max-width: 380px; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.icon { width: 112px; height: 112px; border-radius: 25px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25); margin-bottom: 6px; }
h1 { font-size: 30px; font-weight: 800; letter-spacing: -0.01em; }
p { color: var(--muted); }
.actions { width: 100%; display: flex; flex-direction: column; gap: 10px; margin-top: 10px; }
.button {
  display: block;
  padding: 15px 20px;
  border-radius: 16px;
  font-weight: 700;
  text-decoration: none;
  background: var(--button);
  color: var(--button-ink);
}
.button.secondary { background: var(--secondary); color: var(--ink); }
[hidden] { display: none !important; }