body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #111;
  color: white;
  overflow-x: hidden;
  position: relative;
}
.player-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  overflow: hidden;
}
.player-container::before {
  content: "";
  position: absolute;
  inset: 0;
  backdrop-filter: blur(25px);
  background-color: rgba(0, 0, 0, 0.6);
  z-index: 0;
}
.cover-art,
.track-info,
.play-button,
.volume-slider,
#loader,
#experience-logo {
  position: relative;
  z-index: 1;
}
.cover-art {
  width: 250px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  margin-bottom: 20px;
}
.track-info {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 15px;
}
.play-button {
  background: white;
  border: none;
  border-radius: 30px;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: bold;
  color: black;
  cursor: pointer;
  box-shadow: 0 5px 20px rgba(0,0,0,0.4);
  margin-bottom: 20px;
}
.volume-slider {
  width: 200px;
}
#experience-logo {
  max-width: 100%;
  height: auto;
  width: 300px;
  display: block;
  margin: 20px auto 10px auto;
}

/* Animation de transition sur la pochette */
.cover-art {
  transition: opacity 0.5s ease-in-out, transform 0.5s ease-in-out;
}
.cover-art.fade-out {
  opacity: 0;
  transform: scale(0.95);
}
.cover-art.fade-in {
  opacity: 1;
  transform: scale(1);
}

/* Transition sur le fond du player */
.player-container {
  transition: background-image 0.6s ease-in-out;
}