* {
  box-sizing: border-box;
  font-family: "Segoe UI", Arial, sans-serif;
}

body {
  background: linear-gradient(135deg, #1e3c72, #2a5298);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.card {
  background: white;
  width: 100%;
  max-width: 420px;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

h1 {
  text-align: center;
  margin-bottom: 5px;
}

.subtitle {
  text-align: center;
  color: #555;
  margin-bottom: 25px;
}

label {
  display: block;
  margin-top: 15px;
  font-weight: 600;
}

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

button {
  width: 100%;
  margin-top: 25px;
  padding: 12px;
  background: #1e3c72;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
}

button:hover {
  background: #16325c;
}

#message {
  margin-top: 20px;
  text-align: center;
  font-weight: 600;
}

.success {
  color: green;
}

.error {
  color: red;
}

footer {
  margin-top: 25px;
  color: white;
  font-size: 14px;
}