/* =====================================================
   ULTRA-MODERN MUSIC PLAYER STYLES
   Spotify-inspired design
   ===================================================== */

.music-player-container {
  display: flex;
  height: calc(100vh - var(--header-height) - 90px); /* Account for player bar */
  background: var(--bg-primary);
}

/* =====================================================
   LEFT SIDEBAR
   ===================================================== */

.music-sidebar {
  width: 280px;
  background: var(--bg-secondary);
  border-right: var(--border-width-thin) solid var(--glass-border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.music-sidebar-header {
  padding: var(--space-xl);
  border-bottom: var(--border-width-thin) solid var(--glass-border);
}

.music-sidebar-header h3 {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin: 0;
}

.music-sidebar-nav {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.music-sidebar-btn {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: transparent;
  border: none;
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  font-family: var(--font-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: left;
}

.music-sidebar-btn .icon {
  font-size: var(--font-size-xl);
  width: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.music-sidebar-btn:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.music-sidebar-btn.active {
  background: var(--bg-elevated);
  color: var(--accent-primary);
}

.music-playlists-section {
  margin-top: var(--space-lg);
  padding: 0 var(--space-md);
  flex: 1;
}

.playlists-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-sm);
}

.playlists-header h4 {
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0;
}

.btn-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--bg-elevated);
  border: var(--border-width-thin) solid var(--glass-border);
  color: var(--text-primary);
  font-size: var(--font-size-xl);
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  background: var(--accent-primary);
  color: var(--bg-primary);
  transform: scale(1.1);
}

.playlists-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.playlist-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
}

.playlist-item:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

/* =====================================================
   MAIN CONTENT AREA
   ===================================================== */

.music-main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.music-top-bar {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-xl);
  background: var(--bg-secondary);
  border-bottom: var(--border-width-thin) solid var(--glass-border);
}

.music-search-container {
  flex: 1;
  position: relative;
  max-width: 500px;
}

.music-search-container .search-icon {
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: var(--font-size-lg);
  pointer-events: none;
}

.music-search-input {
  width: 100%;
  padding: var(--space-sm) var(--space-md) var(--space-sm) var(--space-3xl);
  background: var(--glass-bg);
  border: var(--border-width-thin) solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
}

.music-search-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 243, 255, 0.1);
}

.music-filters-compact {
  display: flex;
  gap: var(--space-sm);
}

.filter-select-compact {
  padding: var(--space-sm) var(--space-lg);
  background: var(--glass-bg);
  border: var(--border-width-thin) solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-base);
}

.filter-select-compact:hover {
  border-color: var(--accent-primary);
}

.music-content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-xl);
}

.music-content-header h2 {
  font-family: var(--font-display);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-black);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

.music-view-controls {
  display: flex;
  gap: var(--space-xs);
  background: var(--glass-bg);
  padding: var(--space-xs);
  border-radius: var(--radius-md);
  border: var(--border-width-thin) solid var(--glass-border);
}

.view-toggle-btn {
  padding: var(--space-sm);
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.view-toggle-btn:hover {
  color: var(--accent-primary);
  background: var(--bg-elevated);
}

.view-toggle-btn.active {
  color: var(--accent-primary);
  background: var(--bg-elevated);
}

/* =====================================================
   TRACKS LIST
   ===================================================== */

.music-tracks-container {
  flex: 1;
  overflow-y: auto;
  padding: 0 var(--space-xl) var(--space-xl);
}

.tracks-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.track-item {
  display: grid;
  grid-template-columns: 40px 40px 60px 1fr 200px 100px 80px 80px 60px 120px;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  cursor: pointer;
}

.track-item:hover {
  background: var(--glass-bg);
}

.track-number {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  text-align: center;
}

.track-play-button {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--accent-primary);
  border: none;
  color: var(--bg-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all var(--transition-base);
}

.track-item:hover .track-play-button {
  opacity: 1;
}

.track-play-button:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-neon-cyan);
}

.track-item-cover {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  object-fit: cover;
  box-shadow: var(--shadow-md);
}

.track-item-info {
  min-width: 0;
}

.track-item-title {
  font-family: var(--font-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: var(--space-xs);
}

.track-item-artist {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-item-album {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-item-genre {
  display: flex;
  align-items: center;
}

.genre-badge {
  padding: var(--space-xs) var(--space-sm);
  background: var(--accent-primary);
  color: var(--bg-primary);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

.track-item-rating {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--neon-yellow);
  font-weight: var(--font-weight-semibold);
}

.track-item-plays {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.track-item-duration {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  text-align: right;
}

.track-item-actions {
  display: flex;
  gap: var(--space-xs);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.track-item:hover .track-item-actions {
  opacity: 1;
}

.track-action-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-md);
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-base);
}

.track-action-icon:hover {
  background: var(--bg-elevated);
  color: var(--accent-primary);
  transform: scale(1.1);
}

.track-action-icon.active {
  color: var(--accent-primary);
}

/* =====================================================
   BOTTOM PLAYER BAR
   ===================================================== */

.music-player-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 90px;
  background: var(--glass-bg);
  backdrop-filter: blur(30px);
  border-top: var(--border-width-thin) solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-xl);
  z-index: var(--z-sticky);
  gap: var(--space-xl);
}

.player-track-info-section {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-width: 280px;
  flex-shrink: 0;
}

.player-track-cover {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  object-fit: cover;
  box-shadow: var(--shadow-lg);
}

.player-track-details {
  flex: 1;
  min-width: 0;
}

.player-track-title {
  font-family: var(--font-display);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: var(--space-xs);
}

.player-track-artist {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-favorite-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: var(--font-size-lg);
  cursor: pointer;
  transition: all var(--transition-base);
}

.player-favorite-btn:hover {
  color: var(--accent-primary);
  transform: scale(1.1);
}

.player-controls-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 700px;
}

.player-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

.player-control-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.player-control-btn:hover {
  color: var(--text-primary);
  transform: scale(1.05);
}

.player-play-btn {
  width: 44px;
  height: 44px;
  background: var(--accent-primary);
  color: var(--bg-primary);
}

.player-play-btn:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-neon-cyan);
}

.player-progress-section {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.player-time {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  min-width: 40px;
  text-align: center;
}

.player-progress-bar-container {
  flex: 1;
  position: relative;
  height: 6px;
  background: var(--bg-elevated);
  border-radius: var(--radius-full);
  cursor: pointer;
}

.player-progress-bar {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.player-progress-fill {
  height: 100%;
  background: var(--accent-primary);
  border-radius: var(--radius-full);
  width: 0%;
  transition: width 0.1s linear;
  pointer-events: none;
}

.player-extra-controls {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-width: 280px;
  justify-content: flex-end;
  flex-shrink: 0;
}

.player-volume-control {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.player-volume-bar {
  width: 100px;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--bg-elevated);
  cursor: pointer;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */

@media (max-width: 1024px) {
  .music-sidebar {
    width: 220px;
  }
  
  .track-item {
    grid-template-columns: 40px 40px 50px 1fr 150px 80px 60px 80px 60px 100px;
  }
}

@media (max-width: 768px) {
  .music-sidebar {
    display: none;
  }
  
  .track-item {
    grid-template-columns: 40px 50px 1fr 60px 80px;
  }
  
  .track-item-album,
  .track-item-genre,
  .track-item-rating,
  .track-item-plays {
    display: none;
  }
  
  .music-player-bar {
    padding: 0 var(--space-md);
  }
  
  .player-track-info-section,
  .player-extra-controls {
    min-width: auto;
  }
}