body {
  margin: 0;
  font-family: 'Segoe UI';
  background: linear-gradient(135deg, #1f1c2c, #928dab);
  color: white;
}

body.light {
  background: linear-gradient(135deg, #f5f7fa, #c3cfe2);
  color: black;
}

.container {
  max-width: 420px;
  margin: 60px auto;
  padding: 25px;
  border-radius: 20px;
  background: rgba(0,0,0,0.5);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

button {
  padding: 10px;
  margin-top: 10px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  background: linear-gradient(45deg, #ff416c, #ff4b2b);
  color: white;
}

#options button {
  width: 100%;
  margin: 5px 0;
  background: #ffffff20;
}

.hide {
  display: none;
}

#progress-bar {
  height: 8px;
  background: #555;
  margin: 10px 0;
}

#progress {
  height: 8px;
  background: limegreen;
  width: 0%;
}