:root {
  color-scheme: light dark;
}

html,
body {
  font-family: system-ui, sans-serif;
  margin: 0;
  background: #f7f7f7;
  min-height: 100dvh;
}

body {
  display: flex;
  flex-direction: column;
}

main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  flex: 1;
  box-sizing: border-box;
  padding: 1rem;
}

button {
  padding: 0.75rem 1rem;
  margin: 0.5rem;
  font-size: 1rem;
  cursor: pointer;
  width: 100%;
  max-width: 15rem;
}

button.is-playing {
  transform: scale(0.97);
  filter: brightness(0.85);
}

header,
footer {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
  width: 100%;
  padding: 0 1rem 1rem;
}

footer a {
  margin: 0.25rem;
  color: inherit;
}

@media (prefers-color-scheme: dark) {
  body {
    background: #323232;
  }
}