body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #282a36;
  color: #f8f8f2;
}

.container {
  max-width: 800px;
  margin: auto;
  text-align: center;
  padding: 40px;
  border: 3px solid #6272a4;
  border-radius: 15px;
  background-color: #44475a;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}

.input-group,
.output-group {
  margin-bottom: 30px;
}

label {
  display: inline-block;
  width: 300px;
  text-align: right;
  margin-right: 20px;
  font-size: 18px;
  font-weight: bold;
}

input,
select {
  width: 300px;
  padding: 10px;
  border-radius: 8px;
  border: 2px solid #6272a4;
  background-color: #f8f8f2;
  color: #282a36;
  font-size: 18px;
}

.predict-button {
  padding: 15px 30px;
  background-color: #50fa7b;
  color: #282a36;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 20px;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.predict-button:hover {
  background-color: #5af78e;
}

/* Range slider styles */
input[type=range] {
  width: 100%;
  height: 25px;
  background: #44475a;
  outline: none;
  opacity: 0.7;
  border-radius: 20px;
  box-shadow: 0 0 5px #6272a4;
  -webkit-appearance: none;
}

input[type=range]::-webkit-slider-thumb {
  width: 25px;
  height: 25px;
  background: #50fa7b;
  cursor: pointer;
  border-radius: 50%;
  box-shadow: 0 0 5px #6272a4;
  -webkit-appearance: none;
}

input[type=range]:focus {
  opacity: 1;
}