:root {
  --bg: #f6f7f4;
  --fg: #1d2420;
  --muted: #5b655f;
  --line: #cfd5cf;
  --accent: #2f6f4f;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151a17;
    --fg: #e6ebe7;
    --muted: #9aa59e;
    --line: #34403a;
    --accent: #7cc19c;
    color-scheme: dark;
  }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font:
    16px / 1.5 system-ui,
    sans-serif;
}
main {
  max-width: 22rem;
  margin: 15vh auto 0;
  padding-inline: 16px;
  display: grid;
  gap: 1rem;
}
h1 {
  font-size: 1.4rem;
  margin: 0;
}
form {
  display: grid;
  gap: 0.5rem;
}
[hidden] {
  display: none;
}
input {
  font: inherit;
  padding: 0.6rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: transparent;
  color: var(--fg);
}
button {
  font: inherit;
  padding: 0.6rem;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: var(--bg);
  cursor: pointer;
}
button.link {
  background: none;
  color: var(--muted);
  text-decoration: underline;
  padding: 0;
  justify-self: start;
}
p {
  margin: 0;
  color: var(--muted);
}