body {
  margin: 0;
  color: var(--color-blue-text);
  background-color: var(--color-blue);
  align-items: center;
  justify-content: center;
  height: 100vh;
  text-align: center;
  font-family: var(--font-lato);
  font-size: 1.8rem;
  line-height: 1.5;
}

p {
  max-width: 600px;
  margin: 0 auto;
}

.container {
  margin: 20px;
}

/* 
.footer {
  position: absolute;
  bottom: 20px;
  font-size: 0.9em;
  color: #999;
} */

@media (max-width: 600px) {
  p {
    font-size: 1em;
    padding: 0 20px;
  }
}

audio {
  width: 90%;
  max-width: 600px;
  margin: 20px auto;
  display: block;
}

.info {
  font-size: 0.9rem;
  color: var(--color-sand-dark);
  margin-top: 10px;
}
.chapter {
  max-width: 400px;
  padding: 0.5em;
  border-left: 4px solid transparent;
  cursor: pointer;
  margin: 0 auto; /* ✅ center horizontally */
}
.chapter.active {
  background: var(--color-blue-dark);
  border-left: 4px solid var(--color-blue-light);
}