body { font-family: Arial, sans-serif; max-width: 400px; margin: 100px auto; padding: 20px; }
.form-group { margin-bottom: 15px; }
label { display: block; margin-bottom: 5px; font-weight: bold; }
input[type="email"], input[type="password"] { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; }
button { background-color: #007cba; color: white; padding: 12px 24px; border: none; border-radius: 4px; cursor: pointer; width: 100%; }
button:hover { background-color: #005a87; }
.messages { margin: 10px 0; }
.error { color: red; background-color: #ffe6e6; padding: 10px; border-radius: 4px; }
h1 { text-align: center; color: #333; }