* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Glass effect */
.glass-dark {
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Buttons */
.btn-primary {
  transition: all 0.25s ease;
}
.btn-primary:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

/* Song cards */
.song-card {
  background: #111;
  border-radius: 18px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.song-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.song-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* Slider */
input[type="range"] {
  accent-color: #a855f7;
}