body {
  font-family: Arial, sans-serif;
  background: #f2f2f2;
  padding: 20px;
}
h1 {
  text-align: center;
  color: #333;
}
.container {
  max-width: 1000px;
  margin: auto;
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
label {
  font-weight: bold;
}
input {
  margin: 5px;
  padding: 5px;
}
button {
  background: #0077cc;
  color: #fff;
  border: none;
  padding: 10px 15px;
  border-radius: 6px;
  cursor: pointer;
  margin-top: 10px;
}
button:hover {
  background: #005fa3;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
}
th, td {
  border: 1px solid #ccc;
  padding: 8px;
  text-align: center;
}
th {
  background: #0077cc;
  color: #fff;
}
.resultado {
  margin-top: 20px;
  padding: 15px;
  background: #eaf4ff;
  border-radius: 8px;
}
canvas {
  margin-top: 30px;
}