body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #f4f6f8;
}

.header {
  background: #0046d5;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 40px;
  flex-wrap: wrap;
}

.logo {
  font-size: 20px;
  font-weight: bold;
}

nav a {
  color: white;
  margin-left: 20px;
  text-decoration: none;
  font-size: 15px;
}

nav a:hover {
  text-decoration: underline;
}

.container {
  display: flex;
  justify-content: center;
  padding: 40px 20px;
}

.form-box {
  background: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 0 25px rgba(0,0,0,0.08);
  width: 100%;
  max-width: 500px;
}

.form-box h2 {
  text-align: center;
  margin-bottom: 25px;
}

select, input {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 15px;
}

button {
  width: 100%;
  padding: 14px;
  background-color: #28a745;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  margin-top: 10px;
}

button:hover {
  background-color: #218838;
}

@media screen and (max-width: 600px) {
  .header {
    flex-direction: column;
    align-items: flex-start;
  }

  nav {
    margin-top: 10px;
  }
}