/* Fondo general */
body {
  font-family: Arial, sans-serif;
  background-color: #e6f0ff;  
  margin: 40px;
  line-height: 1.6;
  color: #1a1a1a;
}

header, footer {
  text-align: center;
  padding: 20px;
  background-color: #005f99;   
  color: white;
  border-radius: 10px;
  margin-bottom: 25px;
  transition: background-color 0.3s ease;
}

header:hover {
  background-color: #0099cc;   
}

h2 {
  color: #003366;
}

table {
  width: 100%;
  border-collapse: collapse;
  background-color: white;
  margin-bottom: 20px;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);
}

th, td {
  border: 1px solid #004d80;
  padding: 10px;
  text-align: left;
}

th {
  background-color: #007acc;
  color: white;
}

/* Botón */
button {
  background-color: #007acc;
  color: white;
  border: none;
  padding: 10px 18px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 15px;
}

button:hover {
  background-color: #005f99;
}

img {
  display: block;
  margin: 10px auto;
}

progress {
  width: 100%;
  height: 20px;
  accent-color: #007acc;
}