:root {
  --bg: #111315;
  --card: #1a1d21;
  --text: #eceff3;
  --line: #31363d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.page {
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  padding: 12px;
}

.play-hint {
  margin: 0 0 10px;
  background: #2b3138;
  color: #f5d08a;
  border: 1px solid #444c57;
  border-radius: 10px;
  padding: 10px 12px;
  font-weight: 600;
}

audio {
  width: 100%;
  display: block;
  margin-bottom: 12px;
}

audio.audio-loading {
  opacity: 0.55;
  filter: grayscale(0.35);
}

.lyrics {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  white-space: pre-wrap;
  line-height: 1.55;
  font-size: 1rem;
}

.lyrics.is-hidden {
  display: none;
}