/* Reset sederhana */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", sans-serif;
}

body {
  background: #f4f6f9;
  color: #333;
  line-height: 1.6;
}

header {
  background: #0066cc;
  color: white;
  text-align: center;
  padding: 2rem 1rem;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

header h1 {
  margin-bottom: 0.5rem;
}

main {
  max-width: 500px;
  margin: 2rem auto;
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

form h2 {
  margin-bottom: 1rem;
  color: #0066cc;
  text-align: center;
}

label {
  display: block;
  margin-top: 1rem;
  font-weight: bold;
}

input {
  width: 100%;
  padding: 0.7rem;
  margin-top: 0.3rem;
  border: 1px solid #ccc;
  border-radius: 5px;
}

button {
  margin-top: 1.5rem;
  width: 100%;
  padding: 0.8rem;
  background: #0066cc;
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 1rem;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  background: #004999;
}

.success {
  max-width: 500px;
  margin: 1rem auto;
  padding: 1rem;
  background: #d4edda;
  color: #155724;
  border-radius: 5px;
  border: 1px solid #c3e6cb;
  text-align: center;
}

footer {
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
  background: #f1f1f1;
  font-size: 0.9rem;
  color: #555;
}