body { font-family: Arial, sans-serif; margin: 20px; background: #fff; color: #222; }
a { color: #0066cc; text-decoration: none; }
a:hover { text-decoration: underline; }
table { border-collapse: collapse; width: 100%; margin-top: 10px; }
th, td { border: 1px solid #ccc; padding: 8px; text-align: left; }
th { background: #f5f5f5; }
.error { color: red; }