:root{--ctti-navy: #1a365d;--ctti-navy-light: #2a4a7f;--ctti-navy-dark: #0f2341;--ctti-accent: #e8a838;--ctti-accent-hover: #d49520;--ctti-white: #ffffff;--ctti-gray-50: #f9fafb;--ctti-gray-100: #f3f4f6;--ctti-gray-200: #e5e7eb;--ctti-gray-300: #d1d5db;--ctti-gray-500: #6b7280;--ctti-gray-700: #374151;--ctti-gray-900: #111827;--ctti-success: #059669;--ctti-error: #dc2626;--ctti-info: #2563eb;--ctti-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--ctti-font-mono: "SF Mono", Monaco, "Cascadia Code", monospace;--ctti-radius: 12px;--ctti-radius-sm: 8px;--ctti-radius-lg: 16px;--ctti-shadow: 0 8px 32px rgba(0, 0, 0, .15);--ctti-shadow-sm: 0 2px 8px rgba(0, 0, 0, .1);--ctti-shadow-lg: 0 12px 48px rgba(0, 0, 0, .2);--ctti-widget-width: 400px;--ctti-widget-height: 600px;--ctti-fab-size: 60px}.ctti-widget-container{position:fixed;bottom:0;right:0;z-index:99998;font-family:var(--ctti-font);font-size:14px;line-height:1.5;color:var(--ctti-gray-900);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.ctti-fab{position:fixed;bottom:24px;right:24px;width:var(--ctti-fab-size);height:var(--ctti-fab-size);border-radius:50%;background:linear-gradient(135deg,var(--ctti-navy) 0%,var(--ctti-navy-light) 100%);color:var(--ctti-white);border:none;font-size:26px;cursor:pointer;box-shadow:var(--ctti-shadow);display:flex;align-items:center;justify-content:center;z-index:100000;transition:transform .2s ease,box-shadow .2s ease;outline:none}.ctti-fab:hover{transform:scale(1.08);box-shadow:var(--ctti-shadow-lg)}.ctti-fab:active{transform:scale(.95)}.ctti-fab-icon{transition:transform .25s ease;display:flex;align-items:center;justify-content:center}.ctti-fab-icon--open{transform:rotate(0)}.ctti-fab-icon--close{transform:rotate(90deg)}.ctti-chat-window{position:fixed;bottom:calc(24px + var(--ctti-fab-size) + 16px);right:24px;width:var(--ctti-widget-width);height:var(--ctti-widget-height);max-height:calc(100vh - 120px);max-width:calc(100vw - 32px);background:var(--ctti-white);border-radius:var(--ctti-radius-lg);box-shadow:var(--ctti-shadow-lg);display:flex;flex-direction:column;overflow:hidden;z-index:99999;animation:ctti-slide-up .3s ease-out}@keyframes ctti-slide-up{0%{opacity:0;transform:translateY(20px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.ctti-header{padding:16px 20px;background:linear-gradient(135deg,var(--ctti-navy) 0%,var(--ctti-navy-light) 100%);color:var(--ctti-white);display:flex;justify-content:space-between;align-items:center;flex-shrink:0}.ctti-header-info{display:flex;align-items:center;gap:10px}.ctti-header-avatar{width:32px;height:32px;background:#fff3;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px}.ctti-header-text h3{margin:0;font-size:15px;font-weight:600}.ctti-header-text p{margin:0;font-size:11px;opacity:.8}.ctti-header-close{background:#ffffff26;border:none;color:var(--ctti-white);font-size:16px;cursor:pointer;padding:4px 8px;border-radius:var(--ctti-radius-sm);transition:background .15s ease;line-height:1}.ctti-header-close:hover{background:#ffffff40}.ctti-message-list{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;scroll-behavior:smooth;background:var(--ctti-gray-50)}.ctti-message-list::-webkit-scrollbar{width:5px}.ctti-message-list::-webkit-scrollbar-thumb{background:var(--ctti-gray-300);border-radius:4px}.ctti-message-list::-webkit-scrollbar-track{background:transparent}.ctti-welcome{text-align:center;padding:24px 16px}.ctti-welcome-icon{font-size:40px;margin-bottom:12px}.ctti-welcome h4{margin:0 0 8px;font-size:16px;font-weight:600;color:var(--ctti-gray-900)}.ctti-welcome p{margin:0;font-size:13px;color:var(--ctti-gray-500);line-height:1.5}.ctti-bubble-row{display:flex;gap:8px;max-width:85%;animation:ctti-fade-in .2s ease-out}@keyframes ctti-fade-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.ctti-bubble-row--user{align-self:flex-end;flex-direction:row-reverse}.ctti-bubble-row--assistant{align-self:flex-start}.ctti-bubble-avatar{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0;margin-top:2px}.ctti-bubble-avatar--assistant{background:var(--ctti-navy);color:var(--ctti-white)}.ctti-bubble{padding:10px 14px;border-radius:var(--ctti-radius);font-size:14px;line-height:1.55;word-break:break-word}.ctti-bubble--user{background:var(--ctti-navy);color:var(--ctti-white);border-bottom-right-radius:4px}.ctti-bubble--assistant{background:var(--ctti-white);color:var(--ctti-gray-900);border:1px solid var(--ctti-gray-200);border-bottom-left-radius:4px}.ctti-bubble--assistant p{margin:0 0 8px}.ctti-bubble--assistant p:last-child{margin-bottom:0}.ctti-bubble--assistant ul,.ctti-bubble--assistant ol{margin:4px 0;padding-left:20px}.ctti-bubble--assistant code{background:var(--ctti-gray-100);padding:1px 5px;border-radius:3px;font-family:var(--ctti-font-mono);font-size:12.5px}.ctti-bubble--assistant pre{background:var(--ctti-gray-100);padding:10px;border-radius:var(--ctti-radius-sm);overflow-x:auto;margin:8px 0}.ctti-bubble--assistant pre code{background:none;padding:0}.ctti-bubble--assistant strong{font-weight:600}.ctti-bubble--assistant a{color:var(--ctti-info);text-decoration:none}.ctti-bubble--assistant a:hover{text-decoration:underline}.ctti-sources{margin-top:6px;padding-top:6px;border-top:1px solid var(--ctti-gray-200);display:flex;flex-wrap:wrap;gap:4px}.ctti-source-tag{font-size:10px;color:var(--ctti-gray-500);background:var(--ctti-gray-100);padding:2px 6px;border-radius:4px}.ctti-quick-replies{display:flex;flex-wrap:wrap;gap:8px;padding:4px 0}.ctti-quick-reply{background:var(--ctti-white);border:1.5px solid var(--ctti-navy);color:var(--ctti-navy);padding:7px 14px;border-radius:20px;font-size:13px;font-weight:500;cursor:pointer;transition:all .15s ease;font-family:var(--ctti-font)}.ctti-quick-reply:hover{background:var(--ctti-navy);color:var(--ctti-white);transform:translateY(-1px);box-shadow:var(--ctti-shadow-sm)}.ctti-quick-reply:active{transform:translateY(0)}.ctti-typing{display:flex;align-items:center;gap:8px;align-self:flex-start;animation:ctti-fade-in .2s ease-out}.ctti-typing-avatar{width:28px;height:28px;border-radius:50%;background:var(--ctti-navy);color:var(--ctti-white);display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}.ctti-typing-dots{background:var(--ctti-white);border:1px solid var(--ctti-gray-200);padding:10px 16px;border-radius:var(--ctti-radius);border-bottom-left-radius:4px;display:flex;gap:4px;align-items:center}.ctti-typing-dot{width:7px;height:7px;border-radius:50%;background:var(--ctti-gray-400, #9ca3af);animation:ctti-bounce 1.2s ease-in-out infinite}.ctti-typing-dot:nth-child(2){animation-delay:.15s}.ctti-typing-dot:nth-child(3){animation-delay:.3s}@keyframes ctti-bounce{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-6px);opacity:1}}.ctti-escalation{margin:4px 0;padding:14px 16px;background:linear-gradient(135deg,#fef3c7,#fde68a);border:1px solid var(--ctti-accent);border-radius:var(--ctti-radius);animation:ctti-fade-in .3s ease-out}.ctti-escalation-header{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-weight:600;font-size:14px;color:var(--ctti-gray-900)}.ctti-escalation-body{font-size:13px;color:var(--ctti-gray-700);line-height:1.5}.ctti-escalation-contact{margin-top:10px;display:flex;flex-direction:column;gap:4px}.ctti-escalation-contact a{color:var(--ctti-navy);text-decoration:none;font-weight:500;display:flex;align-items:center;gap:6px;font-size:13px}.ctti-escalation-contact a:hover{text-decoration:underline}.ctti-escalation-dismiss{margin-top:10px;background:none;border:1px solid var(--ctti-gray-300);color:var(--ctti-gray-700);padding:5px 12px;border-radius:var(--ctti-radius-sm);font-size:12px;cursor:pointer;font-family:var(--ctti-font);transition:all .15s ease}.ctti-escalation-dismiss:hover{background:var(--ctti-white);border-color:var(--ctti-gray-500)}.ctti-input-bar{padding:12px 16px;border-top:1px solid var(--ctti-gray-200);display:flex;align-items:flex-end;gap:8px;background:var(--ctti-white);flex-shrink:0}.ctti-input-wrapper{flex:1;position:relative}.ctti-input{width:100%;border:1.5px solid var(--ctti-gray-200);border-radius:var(--ctti-radius);padding:10px 14px;font-size:14px;font-family:var(--ctti-font);color:var(--ctti-gray-900);resize:none;outline:none;min-height:40px;max-height:120px;line-height:1.4;box-sizing:border-box;transition:border-color .15s ease,box-shadow .15s ease}.ctti-input::placeholder{color:var(--ctti-gray-400, #9ca3af)}.ctti-input:focus{border-color:var(--ctti-navy);box-shadow:0 0 0 3px #1a365d1a}.ctti-input:disabled{opacity:.5;cursor:not-allowed}.ctti-send-btn{width:40px;height:40px;border-radius:50%;background:var(--ctti-navy);color:var(--ctti-white);border:none;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s ease,transform .1s ease}.ctti-send-btn:hover:not(:disabled){background:var(--ctti-navy-light);transform:scale(1.05)}.ctti-send-btn:active:not(:disabled){transform:scale(.95)}.ctti-send-btn:disabled{opacity:.4;cursor:not-allowed}.ctti-feedback-bar{display:flex;align-items:center;justify-content:center;gap:8px;padding:8px 16px;background:var(--ctti-gray-50);border-top:1px solid var(--ctti-gray-100);font-size:13px}.ctti-feedback-label{color:var(--ctti-gray-500)}.ctti-feedback-btn{background:none;border:1px solid var(--ctti-gray-200);border-radius:6px;padding:4px 10px;font-size:16px;cursor:pointer;transition:background-color .15s,border-color .15s}.ctti-feedback-btn:hover:not(:disabled){background:var(--ctti-gray-100);border-color:var(--ctti-gray-300)}.ctti-feedback-btn:disabled{opacity:.5;cursor:not-allowed}.ctti-feedback-thanks{color:var(--ctti-success);font-size:13px}.ctti-feedback-error{color:var(--ctti-error);font-size:13px}.ctti-powered{padding:6px;text-align:center;font-size:10px;color:var(--ctti-gray-400, #9ca3af);background:var(--ctti-white);border-top:1px solid var(--ctti-gray-100)}@media(max-width:480px){.ctti-chat-window{bottom:0;right:0;width:100vw;height:100vh;max-height:100vh;max-width:100vw;border-radius:0}.ctti-fab{bottom:16px;right:16px}}