body{font-family:Open Sans,sans-serif}.chat-container{display:flex;flex-direction:column;height:100%;overflow:hidden}.input-area-fixed{flex-shrink:0;margin-top:auto}.message-bubble{max-width:80%;border-radius:1rem;padding:.75rem 1rem;margin-bottom:.5rem}.user-message{background-color:#e9ecef;color:#333;margin-left:auto}.ai-message{background-color:#1a3a7e;color:#fff}.typing-indicator{display:inline-flex;align-items:center}.typing-indicator span{height:8px;width:8px;background-color:#f7941d;border-radius:50%;display:inline-block;margin:0 1px;animation:bounce 1.5s infinite ease-in-out}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes bounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-4px)}}.loader{border:3px solid #f3f3f3;border-top:3px solid #1a3a7e;border-radius:50%;width:24px;height:24px;animation:spin 1s linear infinite;margin:0 auto}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.chart-container{width:100%;max-width:500px;margin:1rem auto}.ti-cursor{display:none!important}.button-group{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}.btn-option{padding:10px 15px;background-color:#fff;color:#333;border:2px solid #ccc;border-radius:6px;cursor:pointer;font-weight:700;transition:.2s ease}.btn-option:hover{background-color:#f0f0f0}.btn-option.selected{background-color:#007bff;color:#fff;border-color:#007bff}#confirmSection{margin-top:15px}#confirmSection.hidden{display:none}.confirm-btn{padding:10px 20px;background-color:#28a745;color:#fff;border:none;border-radius:6px;cursor:pointer;font-weight:700}.confirm-btn:hover{background-color:#218838}.checkbox-group{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}.checkbox-group label{background-color:#fff;color:#333;border:2px solid #ccc;border-radius:6px;cursor:pointer;font-weight:700;transition:.2s ease;display:inline-flex;align-items:center;gap:8px;-webkit-user-select:none;user-select:none}.checkbox-group input[type=checkbox]{display:none}.checkbox-group label:hover{background-color:#f0f0f0}.checkbox-group label:has(input[type=checkbox]:checked){background-color:#007bff!important;color:#fff!important;border-color:#007bff!important}.checkbox-group label.disabled:hover{background-color:#e9ecef!important}.checkbox-group label:has(input[type=checkbox]:disabled){background-color:#4b98ea!important;color:#fff!important;border-color:#4b98ea!important}