/* ==========================================
   MINI PLAYER (Spotify bottom bar)
   ========================================== */
.mini-player {
  position: fixed;
  bottom: calc(var(--tab-bar-h) + var(--safe-bottom) + 4px);
  left: 8px;
  right: 8px;
  z-index: 250;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5), 0 0 0 0.5px var(--glass-border);
  transition: transform var(--duration-normal) var(--ease-out), opacity var(--duration-normal);
  will-change: transform, opacity;
  transform: translate3d(0,0,0);
}

.mini-player.hidden {
  transform: translateY(100px);
  opacity: 0;
  pointer-events: none;
  display: block !important;
}

.mini-progress-bar {
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1;
}

.mini-progress {
  height: 100%;
  background: var(--accent);
  width: 100%;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s linear;
  will-change: transform;
}

.mini-player-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  height: calc(var(--mini-player-h) - 2px);
}

.mini-artwork-wrap { flex-shrink: 0; }

.mini-artwork {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--bg-hover);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.mini-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mini-title {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.mini-artist {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.mini-info {
  gap: 1px;
}

.mini-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.mini-ctrl-btn {
  background: none;
  border: none;
  color: var(--text-primary);
  padding: 10px;
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
}

.mini-ctrl-btn:active { opacity: 0.6; }

.mini-play-btn {
  background: var(--text-primary);
  color: var(--bg-primary);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--duration-fast) var(--ease-spring);
}

.mini-play-btn:active { transform: scale(0.9); }
.mini-play-btn .icon-play { margin-left: 2px; }

/* ==========================================
   FULL-SCREEN NOW PLAYING (Apple Music)
   ========================================== */
.now-playing {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: var(--bg-primary);
  transition: transform var(--duration-normal) var(--ease-out), opacity var(--duration-normal);
  overflow: hidden;
  will-change: transform, opacity;
  transform: translate3d(0,0,0); /* force GPU layer */
}

.now-playing.hidden {
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
  display: block !important;
}

.now-playing.visible {
  transform: translateY(0);
  opacity: 1;
}

.np-backdrop {
  position: absolute;
  inset: -60px;
  background-size: cover;
  background-position: center;
  filter: blur(60px) saturate(1.5) brightness(0.25);
  opacity: 0.7;
  z-index: 0;
}

/* Dynamic color overlay from artwork */
.now-playing::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    var(--np-color-1, transparent) 0%,
    var(--np-color-2, transparent) 100%
  );
  z-index: 0;
  opacity: 0.5;
  transition: background 0.8s ease;
  pointer-events: none;
}

.np-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: calc(var(--safe-top) + 12px) 28px calc(var(--safe-bottom) + 20px);
}

.np-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-shrink: 0;
}

.np-close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 4px;
  cursor: pointer;
  border-radius: 50%;
}

.np-close-btn:active { opacity: 0.6; }

.np-top-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
}

.np-action-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 4px;
  cursor: pointer;
}

.np-action-btn:active { opacity: 0.6; }

.np-artwork-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 8px;
  min-height: 0;
}

.np-artwork {
  width: 100%;
  max-width: 360px;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  object-fit: cover;
  background: var(--bg-elevated);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
  transition: transform var(--duration-slow) var(--ease-out);
  will-change: transform;
}

.np-artwork.playing {
  transform: scale(1);
}

.np-artwork.paused {
  transform: scale(0.88);
}

.np-track-info {
  padding: 24px 0 16px;
  flex-shrink: 0;
}

.np-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.np-artist {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-top: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.np-progress-area { flex-shrink: 0; padding: 0 0 8px; }

.np-progress-bar {
  position: relative;
  height: 28px;
  display: flex;
  align-items: center;
  cursor: pointer;
  touch-action: none;
}

.np-progress-track {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 2px;
  overflow: hidden;
}

.np-progress-fill {
  height: 100%;
  background: var(--text-primary);
  width: 100%;
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  will-change: transform;
}

.np-progress-bar:active .np-progress-track { height: 6px; }

.np-progress-thumb {
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--text-primary);
  border-radius: 50%;
  top: 50%;
  left: 0%;
  transform: translateY(-50%);
  margin-left: -6px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
  will-change: left;
}

.np-times {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.np-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 0 4px;
  flex-shrink: 0;
}

.np-secondary-btn {
  background: none;
  border: none;
  color: var(--text-tertiary);
  padding: 16px;
  cursor: pointer;
  border-radius: 50%;
  transition: color var(--duration-fast);
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  min-height: 48px;
}

.np-secondary-btn.active { color: var(--accent); }
.np-secondary-btn:active { opacity: 0.6; }
.np-secondary-btn { position: relative; }
.repeat-one-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  font-size: 9px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.np-main-btn {
  background: none;
  border: none;
  color: var(--text-primary);
  padding: 12px 20px;
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--duration-fast) var(--ease-spring);
}

.np-main-btn:active { transform: scale(0.85); }

.np-play-btn {
  background: var(--text-primary);
  color: var(--bg-primary);
  border: none;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 8px;
  transition: transform var(--duration-fast) var(--ease-spring);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.np-play-btn:active { transform: scale(0.9); }
.np-play-btn .icon-play { margin-left: 3px; }

/* ==========================================
   QUEUE OVERLAY (bottom sheet)
   ========================================== */
.queue-overlay {
  position: fixed;
  inset: 0;
  z-index: 400;
  transition: opacity var(--duration-normal);
}

.queue-overlay.hidden {
  opacity: 0;
  pointer-events: none;
  display: block !important;
}

.queue-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
}

.queue-sheet {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  max-height: 70vh;
  background: var(--bg-elevated);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  display: flex;
  flex-direction: column;
  animation: slide-up 0.35s var(--ease-out);
  padding-bottom: var(--safe-bottom);
  will-change: transform;
  transform: translate3d(0,0,0);
}

.queue-handle {
  width: 36px;
  height: 5px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
  margin: 10px auto 6px;
  flex-shrink: 0;
}

.queue-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 20px 14px;
  flex-shrink: 0;
}

.queue-header h2 { font-size: 18px; font-weight: 700; }

.queue-clear-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 8px;
}

.queue-clear-btn:active { opacity: 0.6; }

.queue-list {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0 0 16px;
}

.queue-empty {
  text-align: center;
  color: var(--text-tertiary);
  font-size: 14px;
  padding: 40px 20px;
}

.queue-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 20px;
  cursor: pointer;
  transition: background var(--duration-fast);
}

.queue-item:active { background: var(--bg-hover); }

.queue-item-artwork {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  background: var(--bg-hover);
  flex-shrink: 0;
}

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

.queue-drag-handle {
  padding: 8px;
  touch-action: none;
  cursor: grab;
  flex-shrink: 0;
}
.queue-drag-ghost {
  position: fixed;
  z-index: 10000;
  pointer-events: none;
  opacity: 0.85;
  transform: scale(1.03);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
}
.queue-drag-placeholder {
  border: 2px dashed var(--text-secondary);
  border-radius: var(--radius-sm);
  opacity: 0.3;
}
.playlist-edit-mode .track-item { padding-right: 40px; }
.playlist-reorder-handle {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
}

.queue-item-title {
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.queue-item-artist {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.queue-item-remove {
  background: none;
  border: none;
  color: var(--text-tertiary);
  padding: 8px;
  cursor: pointer;
  flex-shrink: 0;
  border-radius: 50%;
}

.queue-item-remove:active { color: var(--accent); }

/* Desktop remove button (hidden on touch, shown on desktop) */
.queue-remove-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-tertiary);
  padding: 8px;
  cursor: pointer;
  border-radius: 50%;
  flex-shrink: 0;
  transition: color var(--duration-fast);
}
.queue-remove-btn:hover { color: var(--accent); }

/* Queue sections */
.queue-section-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-tertiary);
  padding: 16px 20px 6px;
}

.queue-item.is-playing .queue-item-title {
  color: var(--accent);
}

/* Queue swipe-to-remove */
.queue-swipe-wrapper {
  position: relative;
  overflow: hidden;
}

.queue-swipe-wrapper .queue-item {
  position: relative;
  z-index: 1;
  background: var(--bg-elevated);
  will-change: transform;
  transform: translate3d(0,0,0);
}

.queue-swipe-action-remove {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: var(--accent);
  color: white;
  font-size: 11px;
  font-weight: 700;
  opacity: 0.6;
  transition: opacity 0.15s;
}

.queue-swipe-action-remove.triggered { opacity: 1; }

/* ==========================================
   Queue Suggestions
   ========================================== */

.queue-suggestions-section {
  padding-top: 8px;
  padding-bottom: 20px;
}

.queue-suggestions-scroll {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 8px 0;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.queue-suggestions-scroll::-webkit-scrollbar { display: none; }
.queue-suggestions-scroll > :first-child { margin-left: 20px; }
.queue-suggestions-scroll > :last-child { margin-right: 20px; }

.queue-suggest-card {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 240px;
  max-width: 280px;
  padding: 8px 10px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  flex-shrink: 0;
  scroll-snap-align: start;
  cursor: pointer;
  transition: background var(--duration-fast);
}
.queue-suggest-card:active { background: var(--bg-hover); }

.queue-suggest-art {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--bg-hover);
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

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

.queue-suggest-title {
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.queue-suggest-artist {
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.queue-suggest-add {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: var(--bg-hover);
  color: var(--text-primary);
  border-radius: 50%;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--duration-fast), transform 0.15s;
}
.queue-suggest-add:active { transform: scale(0.9); }
.queue-suggest-add.added {
  background: transparent;
  pointer-events: none;
}

/* Skeleton loading for suggestions */
.queue-suggest-card.skeleton {
  pointer-events: none;
}
.queue-suggest-card.skeleton .skeleton-art {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--bg-hover);
  animation: skeleton-pulse 1.2s ease-in-out infinite;
}
.queue-suggest-card.skeleton .skeleton-line {
  height: 10px;
  border-radius: var(--radius-xs);
  background: var(--bg-hover);
  margin-bottom: 6px;
  animation: skeleton-pulse 1.2s ease-in-out infinite;
}
.queue-suggest-card.skeleton .skeleton-line.short { width: 50%; }

@keyframes skeleton-pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}