:root {
  --bg: #f7f7f5;
  --fg: #1d1d1b;
  --muted: #5c5c57;
  --card: #ffffff;
  --line: #deded8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161615;
    --fg: #ececea;
    --muted: #a5a5a0;
    --card: #20201e;
    --line: #34342f;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
main {
  width: min(26rem, 100% - 2rem);
  padding: 2rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
}
h1 { margin: 0 0 0.5rem; font-size: 1.4rem; }
p { margin: 0 0 1.25rem; color: var(--muted); }
#google { min-height: 44px; }
button {
  font: inherit;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  color: var(--fg);
  cursor: pointer;
}
button.primary { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
[hidden] { display: none !important; }