/* Neutral grays, the same palette as the Android app. */
:root {
  color-scheme: light dark;
  --background: #ffffff;
  --surface: #ffffff;
  --fill: #f2f2f7;
  --primary: #1c1c1e;
  --secondary: #6c6c70;
  --separator: #e5e5ea;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #000000;
    --surface: #1c1c1e;
    --fill: #2c2c2e;
    --primary: #ffffff;
    --secondary: #aeaeb2;
    --separator: #38383a;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--primary);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 600px;
  margin: 0 auto;
  padding: 64px 24px;
}

h1 {
  margin: 0 0 16px;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.status {
  margin: 0 0 24px;
  font-size: 17px;
  color: var(--secondary);
}

.sounds {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 20px;
  border: 1px solid var(--separator);
  border-radius: 20px;
  background: var(--surface);
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition:
    border-color 0.15s,
    box-shadow 0.15s;
}

.card:hover {
  border-color: var(--secondary);
}

.card:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

/* A 2px border, drawn without shifting the contents. */
.card.playing {
  border-color: var(--primary);
  box-shadow: inset 0 0 0 1px var(--primary);
}

.text {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 4px;
}

.title {
  font-size: 20px;
  font-weight: 600;
}

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

.toggle {
  display: grid;
  flex: none;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--fill);
  color: var(--primary);
}

.toggle svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.card.playing .toggle {
  background: var(--primary);
  color: var(--surface);
}

.card .stop,
.card.playing .play {
  display: none;
}

.card.playing .stop {
  display: block;
}