body {
  font-family: "Poppins", sans-serif;
  background: linear-gradient(135deg, #121212, #1a1a1a, #222);
  color: #fff;
  text-align: center;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 600px;
  margin: 50px auto;
  background: #1c1c1c;
  padding: 20px;
  border-radius: 20px;
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
}

h1 {
  font-size: 2rem;
  margin-bottom: 20px;
  background: linear-gradient(45deg, #00c3ff, #ffff1c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Imagem principal fixa acima do título da faixa */
#main-cover {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: 0 0 25px rgba(0, 195, 255, 0.3);
  margin-bottom: 15px;
}

.player-card {
  background: #2b2b2b;
  border-radius: 20px;
  padding: 20px;
  margin-bottom: 20px;
}

.controls button {
  font-size: 1.5rem;
  margin: 10px;
  background: #00c3ff;
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  cursor: pointer;
  transition: background 0.3s;
}

.controls button:hover {
  background: #00aaff;
}

.progress-container {
  width: 100%;
  height: 8px;
  background: #444;
  border-radius: 4px;
  margin-top: 10px;
  overflow: hidden;
}

#progress {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #00c3ff, #ffff1c);
  transition: width 0.2s linear;
}

ul#playlist {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
}

ul#playlist li {
  background: #2d2d2d;
  margin: 5px 0;
  padding: 10px 15px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.3s;
}

ul#playlist li:hover {
  background: #333;
}

ul#playlist li.active {
  background: linear-gradient(90deg, #00c3ff, #ffff1c);
  color: #000;
  font-weight: bold;
}