/* Global Styles */
:root {
  --primary-color: #1DB954;
  --secondary-color: #191414;
  --background-color: #121212;
  --sidebar-color: #000000;
  --player-color: #181818;
}

body {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  background-color: var(--background-color);
  color: white;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  height: 100vh;
  overflow: hidden;
}

/* Scrollbar Styling */
.playlist-container::-webkit-scrollbar {
  width: 8px;
}

.playlist-container::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
}

.playlist-container::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

.playlist-container::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Track Item Styles */
.track-item {
  transition: all 0.2s ease;
  cursor: grab;
}

.track-item:active {
  cursor: grabbing;
}

.track-item.drag-over {
  border-top: 2px solid var(--primary-color);
}

.track-item.drag-over-after {
  border-bottom: 2px solid var(--primary-color);
}

/* Progress Bar Customization */
.progress-bar {
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: rgba(255, 255, 255, 0.3);
  outline: none;
  border-radius: 2px;
}

.progress-bar::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s;
}

.progress-bar:hover::-webkit-slider-thumb {
  opacity: 1;
}

/* Volume Slider Customization */
.volume-slider {
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: rgba(255, 255, 255, 0.3);
  outline: none;
  border-radius: 2px;
}

.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: white;
  cursor: pointer;
}

/* Button Hover Effects */
button:hover {
  transform: scale(1.05);
  transition: transform 0.2s;
}

/* Responsive Design */
@media (max-width: 768px) {
  .playlist-header {
    display: none;
  }
  
  .track-item {
    padding: 1rem 0;
  }
  
  #player {
    padding: 1rem;
  }
  
  #player .grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  #player > div:nth-child(2) {
    order: 3;
  }
  
  #player > div:nth-child(3) {
    order: 2;
  }
}