/* 歌单页专属样式 */
.playlist-main {
  padding: 100px 0 80px;
  min-height: 100vh;
}

.playlist-header {
  display: flex;
  gap: 32px;
  align-items: flex-end;
  margin-bottom: 40px;
}

.playlist-cover {
  width: 220px;
  height: 220px;
  border-radius: var(--radius-lg, 20px);
  overflow: hidden;
  box-shadow: var(--shadow-lg, 0 12px 40px rgba(230, 126, 34, 0.18));
  flex-shrink: 0;
}

.playlist-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.playlist-info {
  flex: 1;
  min-width: 0;
}

.playlist-tag {
  display: inline-block;
  padding: 6px 12px;
  background: var(--orange-light, #FFEAA7);
  color: var(--orange-deep, #D35400);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.playlist-info h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--gray-800, #2C2419);
  margin: 0 0 8px;
}

.playlist-info p {
  color: var(--gray-600, #6B5B4F);
  margin: 0;
  font-size: 1rem;
}

.track-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-radius: var(--radius-lg, 20px);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-md, 0 4px 16px rgba(230, 126, 34, 0.12));
}

.track-item {
  display: grid;
  grid-template-columns: 44px 36px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-200, #F5E6D3);
  transition: background 0.2s;
}

.track-item:last-child {
  border-bottom: none;
}

.track-item:hover {
  background: var(--gray-50, #FFFBF5);
}

.track-item.playing {
  background: linear-gradient(90deg, rgba(255, 159, 67, 0.15), transparent);
}

.track-item.playing .track-num {
  opacity: 0;
}

.track-item.playing .track-play {
  opacity: 1;
}

.track-play {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: var(--orange, #FF9F43);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s, background 0.2s;
  flex-shrink: 0;
}

.track-play:hover {
  transform: scale(1.05);
  background: var(--orange-dark, #E67E22);
}

.track-play svg {
  width: 22px;
  height: 22px;
  margin-left: 2px;
}

.track-item.playing .track-play {
  background: var(--orange-deep, #D35400);
}

.track-item.playing .track-play svg {
  display: none;
}

.track-item.playing .track-play::before {
  content: "";
  display: block;
  width: 16px;
  height: 16px;
  background: currentColor;
  clip-path: inset(0 58% 0 0);
  box-shadow: 8px 0 0 currentColor;
}

.track-num {
  font-size: 1rem;
  color: var(--gray-600, #6B5B4F);
  font-weight: 600;
  text-align: center;
}

.track-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.track-title {
  font-weight: 600;
  color: var(--gray-800, #2C2419);
  font-size: 1rem;
}

.track-artist {
  font-size: 0.9rem;
  color: var(--gray-600, #6B5B4F);
}

.track-duration {
  font-size: 0.9rem;
  color: var(--gray-600, #6B5B4F);
  font-variant-numeric: tabular-nums;
}

.playlist-credit {
  margin-top: 24px;
  font-size: 0.85rem;
  color: var(--gray-600, #6B5B4F);
}

.playlist-credit a {
  color: var(--orange-deep, #D35400);
  text-decoration: none;
}

.playlist-credit a:hover {
  text-decoration: underline;
}

.btn-back {
  padding: 10px 20px;
  background: var(--gray-100, #FEF5EB);
  color: var(--orange-deep, #D35400);
  text-decoration: none;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s, transform 0.2s;
}

.btn-back:hover {
  background: var(--orange-light, #FFEAA7);
  transform: translateY(-1px);
}

@media (max-width: 768px) {
  .playlist-main {
    padding: 90px 0 48px;
  }

  .playlist-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 32px;
  }

  .playlist-cover {
    width: 180px;
    height: 180px;
  }

  .track-item {
    grid-template-columns: 40px 28px 1fr auto;
    gap: 12px;
    padding: 14px 16px;
  }

  .track-play {
    width: 40px;
    height: 40px;
  }

  .track-play svg {
    width: 18px;
    height: 18px;
  }

  .track-title {
    font-size: 0.95rem;
  }

  .track-artist {
    font-size: 0.85rem;
  }

  .btn-back {
    padding: 8px 16px;
    font-size: 0.9rem;
  }
}