body {
  font-family: Arial, sans-serif;
  background-color: #f1f1f1;
  padding: 20px;
}

.contenedor {
  margin-top: 300px;
  max-width: 500px;
  margin: auto;
  background-color: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

label {
  display: block;
  margin: 10px 0 5px;
}

input {
  width: 100%;
  padding: 6px;
  margin-bottom: 10px;
}

select, button {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
}

.calcular {
  cursor: pointer;
  background-color: #0fe616;
  color: white;
  border: none;
  border-radius: 5px;
  margin-bottom: 10px;
}

.calcular:hover {
  background-color: #0fe650;
}
 .limpiar{
    background-color: #e60f0f;
    cursor: pointer;
    color: white;
    border: none;
    border-radius: 5px;
    margin-top: 10px;
 }
.limpiar:hover{
    background-color: #e33333;
}

.oculto {
  display: none;
}

.resultado {
  margin-top: 20px;
  padding: 10px;
  background-color: #e0ffe0;
  border: 1px solid #4caf50;
  border-radius: 5px;
}

.error{
    color: red;
}

.pie {
  background-color: #dfe9f1;
  padding: 10px 20px;
  text-align: center;
  font-size: 0.85em;
}

.pie ul {
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
}

.pie a {
  color: #223e66;
  text-decoration: none;
}