.music-page { padding-bottom: 56px; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px 12px; padding-top: 28px; color: var(--muted); font-size: 13px; }
.breadcrumb a { text-underline-offset: 4px; padding-block: 6px; }
.breadcrumb > span { padding-block: 6px; }
.music-hero { display: flex; justify-content: space-between; align-items: center; gap: 32px; padding-block: 32px 36px; }
.music-hero > div:first-child { min-width: 0; }
.music-hero h1 { overflow-wrap: anywhere; }
.video-lesson { max-width: 960px; margin-inline: auto; }
.lesson-video { aspect-ratio: 16 / 9; margin-block: 24px; }
.lesson-video iframe { display: block; width: 100%; height: 100%; border: 0; }
.lesson-links { display: grid; gap: 12px; list-style: none; padding: 0; margin: 0; }
.lesson-links a { display: block; padding: 14px 16px; border: 1px solid var(--line); border-radius: 6px; text-underline-offset: 4px; }
.lesson-links a:hover { background: #f4e8de; }
.music-hero .intro { max-width: 540px; margin-bottom: 0; font-size: 17px; }
.music-summary { border-left: 2px solid var(--accent); padding: 6px 0 6px 24px; flex-shrink: 0; }
.music-summary > span { display: block; font-size: 13px; color: var(--muted); }
.music-summary strong { display: block; font-size: 18px; margin: 6px 0; font-weight: 600; }
.music-summary a { display: inline-block; font-size: 14px; padding-block: 8px; text-underline-offset: 4px; }
.study-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr); gap: 28px; align-items: start; scroll-margin-top: 20px; }
.score-column { display: grid; gap: 24px; }
.study-panel { padding: 30px; background: var(--white); border: 1px solid var(--line); border-radius: 12px; min-width: 0; }
.score-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.score-actions { display: flex; justify-content: flex-end; padding: 8px 0 6px; }
.download-link, .audio-actions .download-link { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 14px; border: 1px solid #d8c4b5; border-radius: 6px; background: #f4e8de; color: var(--accent); text-decoration: none; font-size: 13px; font-weight: 600; }
.download-link:hover { background: #ebd9c8; border-color: var(--accent); }
.audio-actions { padding-top: 10px; }
.score-link { display: grid; grid-template-columns: 40px minmax(0, 1fr) 18px; align-items: center; gap: 14px; padding: 16px; border: 1px solid var(--line); border-radius: 7px; text-decoration: none; }
.score-link strong { display: block; font-size: 16px; font-weight: 600; }
.score-link small { display: block; font-size: 12px; color: var(--muted); margin-top: 2px; }
.file-badge { display: grid; place-items: center; width: 40px; height: 44px; border: 1px solid #d8c4b5; border-radius: 4px; color: var(--accent); font-size: 11px; letter-spacing: .05em; }
.score-link:hover { border-color: var(--accent); background: #f6eee4; }
.score-link--full { color: var(--white); background: var(--ink); border-color: var(--ink); }
.score-link--full small { color: #d8e2e5; }
.score-link--full .file-badge { color: #f2b890; border-color: #67808c; }
.score-link--full:hover { background: #284553; border-color: #284553; }
.lyric-panel { background: #edece5; border-color: transparent; }
.lyric-panel p:last-child { color: var(--muted); font-size: 14px; margin-bottom: 0; }
.audio-panel { scroll-margin-top: 20px; }
.voice-player { border-top: 1px solid var(--line); padding-block: 16px; }
.voice-heading { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.voice-heading h3 { font-size: 18px; font-weight: 600; margin: 0; }
.repeat-control { display: flex; gap: 7px; align-items: center; min-height: 44px; font-size: 13px; color: var(--muted); cursor: pointer; }
.repeat-control input { width: 17px; height: 17px; accent-color: var(--accent); }
audio { display: block; width: 100%; min-width: 0; height: 54px; border-radius: 28px; }
audio:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.audio-actions { display: flex; justify-content: flex-end; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
.audio-actions a { display: inline-block; color: var(--accent); padding-block: 12px; text-underline-offset: 3px; }
.audio-error { font-size: 13px; color: var(--accent); margin: 0; }
.listening-note { border-top: 1px solid var(--line); padding-top: 18px; font-size: 13px; color: var(--muted); margin-bottom: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
@media (max-width: 900px) {
  .music-hero { align-items: flex-start; }
  .music-summary { padding-left: 16px; }
  .study-layout { gap: 20px; }
  .study-panel { padding: 22px; }
}
@media (max-width: 680px) {
  .breadcrumb { padding-top: 18px; }
  .music-hero { flex-direction: column; gap: 24px; padding-block: 24px 30px; }
  .music-hero h1 { font-size: 48px; }
  .music-hero .intro { font-size: 16px; }
  .study-layout { grid-template-columns: minmax(0, 1fr); }
  .score-column { display: contents; }
  .lyric-panel { order: 1; }
  .study-panel { padding: 22px 18px; }
  .score-link { padding: 14px 12px; gap: 10px; }
  .music-page { padding-bottom: 36px; }
}