body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(to bottom right, #d0e7ff, #ffffff);
  color: #033d75;
}
header {
  background: linear-gradient(to right, #0f62a0, #4db0ff);
  padding: 2rem;
  text-align: center;
  color: white;
}
nav {
  background: #e9f5ff;
  padding: 1rem;
  text-align: center;
}
nav a {
  margin: 0 1rem;
  text-decoration: none;
  color: #0f3b70;
  font-weight: bold;
}
section {
  max-width: 800px;
  margin: 2rem auto;
  padding: 2rem;
  background: white;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}
h2 {
  border-bottom: 2px solid #4db0ff;
  padding-bottom: 0.5rem;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}
th, td {
  padding: 0.75rem;
  border: 1px solid #ccc;
  text-align: left;
}
form input, form select, form textarea {
  width: 100%;
  padding: 0.75rem;
  margin-top: 1rem;
  margin-bottom: 1rem;
  border: 1px solid #ccc;
  border-radius: 5px;
  box-sizing: border-box;
}
form button {
  background: #0f62a0;
  color: white;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-weight: bold;
}
form button:hover {
  background: #084b82;
}
footer {
  text-align: center;
  font-size: 0.9rem;
  color: #666;
  margin: 2rem 0;
}