body { font-family: Arial, sans-serif; margin: 20px; }
section { margin-bottom: 30px; }
table { width: 100%; border-collapse: collapse; }
th, td { border: 1px solid #ddd; padding: 8px; text-align: left; }
th { background-color: #f2f2f2; }
#login-form { max-width: 300px; margin: auto; text-align: center; }
input, select, button { margin: 10px; padding: 8px; }
canvas { max-width: 100%; height: auto; }
@media (max-width: 600px) { table { font-size: 12px; } canvas { max-height: 150px; } }