* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Arial', sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 20px;
  color: white;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  background: rgba(255, 255, 255, 0.1);
  padding: 20px 30px;
  border-radius: 20px;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.header h1 {
  font-size: 2em;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.back-btn,
.upload-btn {
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid white;
  border-radius: 50px;
  color: white;
  text-decoration: none;
  font-size: 1em;
  transition: all 0.3s ease;
  cursor: pointer;
}

.back-btn:hover,
.upload-btn:hover {
  background: white;
  color: #667eea;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.empty-state {
  text-align: center;
  padding: 80px 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.empty-icon {
  font-size: 5em;
  margin-bottom: 20px;
  opacity: 0.5;
}

.empty-state h2 {
  font-size: 2em;
  margin-bottom: 15px;
}

.empty-state p {
  font-size: 1.2em;
  margin-bottom: 30px;
  opacity: 0.8;
}

.btn-primary {
  display: inline-block;
  padding: 15px 40px;
  background: white;
  color: #667eea;
  border: none;
  border-radius: 50px;
  font-size: 1.1em;
  font-weight: bold;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

.songs-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.song-card {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 15px;
  padding: 20px;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
  position: relative;
}

.song-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  background: rgba(255, 255, 255, 0.15);
}

.song-icon {
  font-size: 3em;
  text-align: center;
  margin-bottom: 15px;
}

.song-name {
  font-size: 1.2em;
  font-weight: bold;
  margin-bottom: 10px;
  word-break: break-word;
}

.song-info {
  font-size: 0.9em;
  opacity: 0.8;
  margin-bottom: 5px;
}

.song-stats {
  display: flex;
  gap: 15px;
  margin: 15px 0;
  padding: 10px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

.stat {
  flex: 1;
  text-align: center;
}

.stat-value {
  font-size: 1.3em;
  font-weight: bold;
  display: block;
}

.stat-label {
  font-size: 0.8em;
  opacity: 0.8;
  display: block;
}

.song-actions {
  display: flex;
  gap: 10px;
  margin-top: 15px;
}

.btn-delete {
  flex: 1;
  padding: 10px;
  background: rgba(244, 67, 54, 0.8);
  border: none;
  border-radius: 10px;
  color: white;
  font-size: 1em;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-delete:hover {
  background: rgba(244, 67, 54, 1);
  transform: scale(1.05);
}

@media (max-width: 768px) {
  .header {
    flex-direction: column;
    gap: 15px;
  }

  .songs-list {
    grid-template-columns: 1fr;
  }
}