.button-ai { background-color: #f44336; color: #fff; padding: 10px 20px; font-size: 16px; border: none; cursor: pointer; }
.button-ai:hover { background-color: #d32f2f; }
.button-ai:focus { outline: none; box-shadow: 0 0 0 3px rgba(244, 67, 54, 0.5); }
.button-ai:active { background-color: #b71c1c; }
.button-ai:disabled { opacity: 0.6; cursor: not-allowed; }
.body-ai { font-family: Arial, sans-serif; font-size: 14px; line-height: 1.5; color: #333; background-color: #f2f2f2; margin: 0; padding: 0; }