body { font-family: sans-serif; background-color: #f4f4f9; color: #333; margin: 0; padding: 0; }
.container { max-width: 600px; margin: 50px auto; padding: 20px; background-color: #fff; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }
h1, h2 { text-align: center; color: #4a4a4a; }
form { display: flex; flex-direction: column; gap: 15px; }
input, select { padding: 10px; border: 1px solid #ddd; border-radius: 4px; font-size: 16px; }
label { margin-bottom: -10px; font-weight: bold; font-size: 14px; }
button { padding: 10px 15px; background-color: #007bff; color: white; border: none; border-radius: 4px; cursor: pointer; font-size: 16px; }
button:hover { background-color: #0056b3; }
.message { text-align: center; padding: 10px; margin-bottom: 20px; border-radius: 4px; }
.success { background-color: #d4edda; color: #155724; }
.error { background-color: #f8d7da; color: #721c24; }
.nav-links { text-align: center; margin-top: 20px; }
.nav-links a { margin: 0 15px; text-decoration: none; color: #007bff; font-weight: bold; }