* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  background: #111;
  color: white;
  font-family: system-ui, sans-serif;
}

.app {
  width: 100%;
  padding: 8px;
}

h1 {
  text-align: center;
  margin-bottom: 12px;
}

.sound-grid {
  display: grid;

  /* EXACTLY 3 buttons per row */
  grid-template-columns: repeat(3, 1fr);

  gap: 8px;

  width: 100%;
}

.sound-button {
  width: 100%;

  /* Makes squares */
  aspect-ratio: 1 / 1;

  border: none;
  border-radius: 16px;

  background: #222;
  color: white;

  cursor: pointer;

  padding: 8px;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  overflow: hidden;
}

.sound-button:active {
  transform: scale(0.97);
}

.sound-button img {
  width: 60%;
  height: 60%;
  object-fit: contain;
}

.sound-button span {
  margin-top: 6px;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
}