:root{--ka-cb-primary:#0C2D3C;--ka-cb-primary-light:#0E3A4E;--ka-cb-accent:#3BBFA0;--ka-cb-accent-dark:#2EA88C;--ka-cb-accent-light:rgba(59, 191, 160, 0.08);--ka-cb-bg:#EFF5F3;--ka-cb-white:#FFFFFF;--ka-cb-text:#1A2A33;--ka-cb-text-sec:#5A6872;--ka-cb-border:#D4DDE1;--ka-cb-shadow:0 10px 40px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.04);--ka-cb-radius:20px;--ka-cb-font:'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;--ka-cb-z:9999;--ka-cb-width:400px;--ka-cb-height:700px}@keyframes ka-cb-typing{0%,100%{opacity:.3;transform:translateY(0)}50%{opacity:1;transform:translateY(-4px)}}@keyframes ka-cb-fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes ka-cb-pulse{0%,100%{opacity:1}50%{opacity:.5}}@keyframes ka-cb-slideUp{from{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes ka-cb-bounceIn{0%{transform:scale(0)}50%{transform:scale(1.1)}100%{transform:scale(1)}}.ka-cb-trigger{position:fixed;bottom:24px;right:24px;z-index:var(--ka-cb-z);width:60px;height:60px;border-radius:16px;border:none;background:linear-gradient(135deg,var(--ka-cb-accent),var(--ka-cb-accent-dark));color:var(--ka-cb-white);cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgb(59 191 160 / .35);transition:transform 0.2s ease,box-shadow 0.2s ease;animation:ka-cb-bounceIn 0.5s ease;font-family:var(--ka-cb-font)}.ka-cb-trigger:hover{transform:scale(1.05);box-shadow:0 6px 28px rgb(59 191 160 / .45)}.ka-cb-trigger:active{transform:scale(.97)}.ka-cb-trigger-label{font-size:16px;font-weight:800;letter-spacing:-.02em}.ka-cb-trigger.ka-cb-hidden{display:none}.ka-cb-window{position:fixed;bottom:24px;right:24px;z-index:var(--ka-cb-z);width:var(--ka-cb-width);height:var(--ka-cb-height);max-height:calc(100dvh - 48px);border-radius:var(--ka-cb-radius);overflow:hidden;box-shadow:var(--ka-cb-shadow);display:none;flex-direction:column;font-family:var(--ka-cb-font);-webkit-font-smoothing:antialiased;animation:ka-cb-slideUp 0.3s ease}.ka-cb-window.ka-cb-open{display:flex}.ka-cb-header{background:linear-gradient(135deg,var(--ka-cb-primary),var(--ka-cb-primary-light));padding:14px 16px;display:flex;justify-content:space-between;align-items:center;flex-shrink:0}.ka-cb-header-left{display:flex;align-items:center;gap:10px}.ka-cb-avatar{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--ka-cb-accent),var(--ka-cb-accent-dark));display:flex;align-items:center;justify-content:center;flex-shrink:0}.ka-cb-avatar span{color:var(--ka-cb-white);font-size:14px;font-weight:800}.ka-cb-header-name{font-weight:700;font-size:14px;color:var(--ka-cb-white)}.ka-cb-header-status{display:flex;align-items:center;gap:5px;margin-top:2px}.ka-cb-status-dot{width:6px;height:6px;border-radius:50%;background:var(--ka-cb-accent);animation:ka-cb-pulse 2s infinite}.ka-cb-header-meta{font-size:10px;color:rgb(255 255 255 / .45)}.ka-cb-header-actions{display:flex;gap:6px}.ka-cb-btn-header{background:rgb(255 255 255 / .1);border:none;border-radius:8px;padding:5px 10px;color:rgb(255 255 255 / .5);font-size:10px;font-weight:600;cursor:pointer;font-family:var(--ka-cb-font);transition:background 0.2s,color 0.2s}.ka-cb-btn-close{width:32px;height:32px;padding:0!important;display:flex!important;align-items:center!important;justify-content:center!important;border-radius:8px}.ka-cb-btn-close svg{width:18px!important;height:18px!important;display:block;flex-shrink:0}.ka-cb-btn-header:hover{background:rgb(255 255 255 / .18);color:rgb(255 255 255 / .8)}.ka-cb-dev-bar{padding:5px 16px;background:#1a1a2e;display:flex;justify-content:space-between;font-size:10px;font-family:monospace;color:#6a6a8a;flex-shrink:0}.ka-cb-dev-bar.ka-cb-hidden{display:none}.ka-cb-messages{flex:1;overflow-y:auto;padding:16px;background:var(--ka-cb-white)}.ka-cb-messages::-webkit-scrollbar{width:4px}.ka-cb-messages::-webkit-scrollbar-thumb{background:var(--ka-cb-border);border-radius:4px}.ka-cb-welcome{animation:ka-cb-fadeIn 0.4s ease}.ka-cb-welcome-header{text-align:center;padding:12px 0 20px}.ka-cb-welcome-avatar{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--ka-cb-accent),var(--ka-cb-accent-dark));display:flex;align-items:center;justify-content:center;margin:0 auto 14px}.ka-cb-welcome-avatar span{color:var(--ka-cb-white);font-size:20px;font-weight:800}.ka-cb-welcome-title{font-size:17px;font-weight:700;color:var(--ka-cb-text);margin-bottom:6px}.ka-cb-welcome-desc{font-size:13px;color:var(--ka-cb-text-sec);line-height:1.6;max-width:280px;margin:0 auto}.ka-cb-knowledge-badge{padding:9px 12px;border-radius:10px;background:var(--ka-cb-accent-light);border:1px solid rgb(59 191 160 / .15);margin-bottom:14px;font-size:11px;color:var(--ka-cb-text-sec);line-height:1.5}.ka-cb-knowledge-badge strong{color:var(--ka-cb-text)}.ka-cb-quick-label{font-size:11px;font-weight:600;color:var(--ka-cb-text-sec);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px}.ka-cb-quick-list{display:flex;flex-direction:column;gap:7px}.ka-cb-quick-btn{text-align:left;padding:10px 14px;border-radius:10px;border:1px solid var(--ka-cb-border);background:var(--ka-cb-white);color:var(--ka-cb-text);font-size:13px;font-weight:500;cursor:pointer;font-family:var(--ka-cb-font);transition:border-color 0.2s,background 0.2s;display:flex;align-items:center;gap:8px}.ka-cb-quick-btn:hover{border-color:var(--ka-cb-accent);background:var(--ka-cb-bg)}.ka-cb-quick-arrow{color:var(--ka-cb-accent);font-size:14px;flex-shrink:0}.ka-cb-msg{display:flex;margin-bottom:10px}.ka-cb-msg.ka-cb-animate{animation:ka-cb-fadeIn 0.3s ease}.ka-cb-msg-user{justify-content:flex-end}.ka-cb-msg-assistant{justify-content:flex-start}.ka-cb-msg-avatar{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--ka-cb-accent),var(--ka-cb-accent-dark));display:flex;align-items:center;justify-content:center;margin-right:8px;flex-shrink:0;margin-top:2px}.ka-cb-msg-avatar span{color:var(--ka-cb-white);font-size:12px;font-weight:800}.ka-cb-bubble{max-width:80%;padding:10px 14px;font-size:13px;line-height:1.6;word-break:break-word;white-space:pre-wrap}.ka-cb-bubble-user{background:var(--ka-cb-primary);color:var(--ka-cb-white);border-radius:14px 14px 4px 14px}.ka-cb-bubble-assistant{background:var(--ka-cb-bg);color:var(--ka-cb-text);border-radius:14px 14px 14px 4px}.ka-cb-typing{display:flex;align-items:center;gap:8px;margin-bottom:10px}.ka-cb-typing-dots{display:flex;gap:4px;padding:10px 14px;border-radius:14px 14px 14px 4px;background:var(--ka-cb-bg)}.ka-cb-typing-dot{width:7px;height:7px;border-radius:50%;background:var(--ka-cb-accent);opacity:.4}.ka-cb-typing-dot:nth-child(1){animation:ka-cb-typing 1.2s ease-in-out 0s infinite}.ka-cb-typing-dot:nth-child(2){animation:ka-cb-typing 1.2s ease-in-out 0.2s infinite}.ka-cb-typing-dot:nth-child(3){animation:ka-cb-typing 1.2s ease-in-out 0.4s infinite}.ka-cb-error{padding:9px 12px;border-radius:10px;background:#FFF3F3;border:1px solid #FFD0D0;color:#C62828;font-size:12px;margin-bottom:10px}.ka-cb-disclaimer{padding:5px 16px;background:var(--ka-cb-bg);border-top:1px solid var(--ka-cb-border);flex-shrink:0}.ka-cb-disclaimer p{font-size:11px;color:var(--ka-cb-text-sec);opacity:.85;text-align:center;margin:0}.ka-cb-input-area{padding:10px 14px 14px;background:var(--ka-cb-white);border-top:1px solid var(--ka-cb-border);display:flex;gap:8px;align-items:flex-end;flex-shrink:0}.ka-cb-input{flex:1;padding:10px 14px;border-radius:12px;border:1.5px solid var(--ka-cb-border);background:var(--ka-cb-bg);color:var(--ka-cb-text);font-size:13px;font-family:var(--ka-cb-font);outline:none;resize:none;max-height:72px;line-height:1.5;box-sizing:border-box;transition:border-color 0.2s}.ka-cb-input::placeholder{color:var(--ka-cb-text-sec);opacity:.6}.ka-cb-input:focus{border-color:var(--ka-cb-accent)}.ka-cb-send{width:40px!important;height:40px!important;min-width:40px;min-height:40px;border-radius:10px;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background 0.2s,transform 0.1s;font-family:var(--ka-cb-font)}.ka-cb-send svg{width:18px!important;height:18px!important;display:block;flex-shrink:0}.ka-cb-send:active{transform:scale(.95)}.ka-cb-send.ka-cb-send-active{background:linear-gradient(135deg,var(--ka-cb-accent),var(--ka-cb-accent-dark));color:var(--ka-cb-white);cursor:pointer}.ka-cb-send.ka-cb-send-disabled{background:var(--ka-cb-border);color:var(--ka-cb-text-sec);cursor:default}@media (max-width:480px){.ka-cb-window{bottom:0;right:0;width:100%;height:100dvh;max-height:100dvh;border-radius:0}.ka-cb-trigger{bottom:16px;right:16px;width:54px;height:54px}.ka-cb-trigger-label{font-size:14px}.ka-cb-btn-close{width:36px;height:36px;display:flex!important;align-items:center!important;justify-content:center!important;padding:0!important}.ka-cb-btn-close svg{width:20px!important;height:20px!important}.ka-cb-send{width:42px!important;height:42px!important;min-width:42px;min-height:42px}.ka-cb-send svg{width:20px!important;height:20px!important}.ka-cb-input{font-size:16px!important}}