body {
  font-family: Arial, sans-serif;
  margin: 40px;
  background-color: #f4f4f4;
  color: #333;
}

h1 {
  text-align: center;
  color: #2c3e50;
}

#slider-container {
  max-width: 600px;
  margin: 30px auto;
}

#slider {
  margin-top: 20px;
}

#slider-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 15px;
}

#slider-labels span {
  background-color: #ecf0f1;
  color: #2c3e50;
  padding: 6px 14px;
  border-radius: 20px;
  font-weight: bold;
  font-size: 14px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.noUi-target {
  background: #ecf0f1;
  border-radius: 6px;
  border: 1px solid #bdc3c7;
  height: 10px;
}

.noUi-connect {
  background: #2980b9;
}

.noUi-handle {
  background: #34495e;
  border: 2px solid #2980b9;
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  cursor: grab;
  width: 20px;
  height: 20px;
  top: -6px;
}

.noUi-handle:before,
.noUi-handle:after {
  display: none;
}

#grafico {
  max-width: 700px;
  margin: 40px auto;
}

footer {
  text-align: center;
  margin-top: 40px;
  font-size: 0.9em;
  color: #777;
}