/* Estructura general (heredada del sitio principal) */
body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  margin: 0;
  padding: 0;
  color: #222;
}

h1, h2, h3 {
  text-align: center;
  color: #111;
  margin-top: 20px;
}

/* Formulario */
form {
  max-width: 500px;
  margin: 0 auto;
  background-color: #fff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

form label {
  display: block;
  margin-bottom: 12px;
  font-weight: bold;
  color: #333;
}

form input {
  width: 100%;
  padding: 8px 10px;
  font-size: 1em;
  border-radius: 6px;
  border: 1px solid #ccc;
  margin-top: 5px;
  background-color: #fafafa;
}

button {
  background-color: #333;
  color: white;
  padding: 10px 20px;
  font-size: 1em;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s ease;
  display: block;
  margin: 20px auto 0;
}

button:hover {
  background-color: #555;
}

/* Caja de resultados */
.section {
  max-width: 800px;
  margin: 25px auto;
  padding: 20px;
  background: #ffffff;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

ul {
  list-style-type: none;
  padding-left: 0;
  margin: 0;
}

ul li {
  padding: 6px 10px;
  border-bottom: 1px solid #e0e0e0;
  font-size: 0.95em;
}

ul li:last-child {
  border-bottom: none;
}

/* Responsive */
@media (max-width: 600px) {
  form, .section {
    padding: 15px;
    margin: 10px;
  }

  button {
    width: 100%;
  }
}

 .numero {
  width: 40px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  font-weight: bold;
  font-size: 14px;
  border-radius: 6px;
  display: inline-block;
  margin: 2px;
}

.numero.red {
  background-color: red;
  color: white;
}

.numero.black {
  background-color: black;
  color: white;
}

.numero.green {
  background-color: green;
  color: white;
}