.player-container {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  max-width: 900px;
  width: 100%;
}

.player-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.player-header h2 {
  color: #333;
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.player-header p {
  color: #666;
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.reset-button {
  background: rgba(102, 126, 234, 0.1);
  color: #667eea;
  border: 1px solid rgba(102, 126, 234, 0.3);
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.reset-button:hover {
  background: rgba(102, 126, 234, 0.2);
  transform: translateY(-2px);
}

.main-controls {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 15px;
}

.play-button {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
  flex-shrink: 0;
}

.play-button:hover {
  transform: scale(1.05);
  box-shadow: 0 15px 30px rgba(102, 126, 234, 0.4);
}

.progress-container {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
}

.progress-bar {
  flex: 1;
  height: 8px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 4px;
  cursor: pointer;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 4px;
  transition: width 0.1s ease;
}

.time-display {
  color: #666;
  font-size: 0.9rem;
  font-weight: 500;
  min-width: 40px;
}

.tracks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.track-card {
  background: rgba(0, 0, 0, 0.03);
  border-radius: 15px;
  padding: 1.5rem;
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.track-card:hover {
  background: rgba(0, 0, 0, 0.05);
  transform: translateY(-2px);
}

.track-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.track-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.track-icon {
  font-size: 1.5rem;
}

.track-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
}

.track-actions {
  display: flex;
  gap: 0.5rem;
}

.mute-button,
.download-button {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  background: rgba(0, 0, 0, 0.1);
  color: #666;
}

.mute-button:hover,
.download-button:hover {
  background: rgba(0, 0, 0, 0.15);
  transform: scale(1.05);
}

.mute-button.muted {
  background: rgba(231, 76, 60, 0.1);
  color: #e74c3c;
}

.volume-control {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.volume-slider {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: white;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  border: 2px solid currentColor;
}

.volume-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: white;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  border: 2px solid currentColor;
}

.volume-label {
  font-size: 0.8rem;
  color: #666;
  font-weight: 500;
  min-width: 35px;
  text-align: right;
}

.download-all {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.download-all-button {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  padding: 1rem 2rem;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.download-all-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px rgba(102, 126, 234, 0.4);
}

@media (max-width: 768px) {
  .player-container {
    padding: 1.5rem;
    margin: 1rem;
  }
  
  .main-controls {
    flex-direction: column;
    gap: 1rem;
  }
  
  .progress-container {
    width: 100%;
  }
  
  .tracks-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .track-card {
    padding: 1rem;
  }
  
  .player-header h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .track-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .track-actions {
    align-self: flex-end;
  }
}