/* Floating music panel anchored to bottom-left */
.music-player-toggle {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 10;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--surface-glass);
  backdrop-filter: blur(6px);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  color: var(--accent);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, background 0.2s ease;
}
.music-player-toggle:hover { transform: scale(1.08); }

.music-panel {
  position: fixed;
  bottom: 74px;
  left: 16px;
  z-index: 10;
  width: 340px;
  background: var(--surface);
  backdrop-filter: blur(12px);
  border-radius: 16px;
  border: 1px solid var(--border-soft);
  box-shadow: 0 16px 40px var(--shadow);
  padding: 14px;
  transform: translateY(16px) scale(0.97);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(.34,1.56,.64,1);
}
.music-panel.open { opacity: 1; transform: translateY(0) scale(1); pointer-events: all; }

.music-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.music-panel-title {
  font-size: 13px;
  letter-spacing: 0.5px;
  color: var(--accent);
  font-style: italic;
}

.music-panel-close {
  background: none;
  border: none;
  font-size: 16px;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  padding: 2px 4px;
}
.music-panel-close:hover { color: var(--accent); }

#trackList { display: flex; flex-direction: column; gap: 6px; margin-bottom: 10px; }

.track-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  background: var(--surface-glass-2);
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
  text-align: left;
  transition: background 0.2s ease, border-color 0.2s ease;
  width: 100%;
}
.track-btn:hover { background: color-mix(in srgb, var(--accent) 10%, transparent); border-color: color-mix(in srgb, var(--accent) 40%, transparent); }
.track-btn.active { background: var(--accent); border-color: var(--accent); }

.track-title {
  font-size: 14px;
  color: var(--accent-strong);
  font-weight: bold;
}
.track-btn.active .track-title { color: var(--on-accent); }

.track-artist {
  font-size: 12px;
  color: var(--text-muted);
}
.track-btn.active .track-artist { color: var(--text-muted); }

#spotifyFrame {
  width: 100%;
  height: 152px;
  border-radius: 10px;
  border: none;
  display: block;
}

@media (max-width: 480px) {
  .music-panel { width: calc(100vw - 32px); left: 16px; }
}