:root{--pex: #2baea6;--pex-ldark: #29a49c;--pex-dark: #239990;--pex-xdark: #1c7e79;--pex-light: #e8f8f7;--pex-lighter: #f2fbfa;--navy: #1a2332;--navy2: #243044;--navy3: #2d3c52;--text: #2d3748;--text2: #6c757d;--text3: #a0aec0;--border: #e2e8f0;--white: #ffffff;--radius: 12px;--shadow: 0 12px 40px rgba(43,174,166,.2), 0 2px 12px rgba(0,0,0,.12);--shadow-sm: 0 2px 8px rgba(0,0,0,.07);--font: "Nunito", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--transition: cubic-bezier(.34,1.56,.64,1)}#pex-chat-launcher{position:fixed;bottom:24px;right:24px;z-index:9998;display:flex;align-items:center;gap:9px;height:50px;padding:0 18px 0 14px;border:none;border-radius:25px;cursor:pointer;background:var(--pex-ldark);color:#fff;font-family:var(--font);font-size:13px;font-weight:700;white-space:nowrap;box-shadow:0 4px 20px #2baea673;transition:all .25s var(--transition)}#pex-chat-launcher:hover{background:var(--pex-dark);transform:translateY(-2px);box-shadow:0 8px 28px #2baea68c}#pex-chat-launcher .launcher-dot{width:8px;height:8px;border-radius:50%;background:#4ade80;flex-shrink:0;animation:pex-pulse 2.2s infinite}@keyframes pex-pulse{0%,to{box-shadow:0 0 #4ade8080}50%{box-shadow:0 0 0 5px #4ade8000}}#pex-chat-window{position:fixed;bottom:86px;right:24px;z-index:9999;width:375px;height:580px;display:flex;flex-direction:column;overflow:hidden;background:var(--white);border-radius:var(--radius);border:1px solid rgba(43,174,166,.18);box-shadow:var(--shadow);opacity:0;transform:scale(.92) translateY(18px);pointer-events:none;transition:opacity .28s ease,transform .28s var(--transition)}#pex-chat-window.pex-open{opacity:1;transform:scale(1) translateY(0);pointer-events:all}.pex-chat-header{background:var(--navy);padding:12px 14px;display:flex;align-items:center;gap:11px;flex-shrink:0}.pex-chat-avatar{width:36px;height:36px;border-radius:9px;background:var(--pex);display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;position:relative}.pex-chat-avatar:after{content:"";position:absolute;bottom:-1px;right:-1px;width:10px;height:10px;background:#4ade80;border-radius:50%;border:2px solid var(--navy)}.pex-chat-header-info{flex:1;min-width:0}.pex-chat-header-info h4{color:#fff;font-size:13px;font-weight:700;margin:0 0 1px;font-family:var(--font)}.pex-chat-header-info span{color:#7a9eb8;font-size:10px;font-family:var(--font)}.pex-chat-header-actions{display:flex;gap:5px}.pex-chat-header-actions button{width:28px;height:28px;border:none;border-radius:6px;background:#ffffff14;color:#8a9bb0;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s}.pex-chat-header-actions button:hover{background:#ffffff2e;color:#fff}.pex-chat-tabs{display:flex;background:var(--navy2);flex-shrink:0}.pex-chat-tab{flex:1;padding:8px 6px;border:none;background:none;cursor:pointer;color:#7a9eb8;font-family:var(--font);font-size:10px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;display:flex;align-items:center;justify-content:center;gap:5px;border-bottom:2px solid transparent;transition:all .18s}.pex-chat-tab:hover:not(.active){color:#aab4c4;background:#ffffff0a}.pex-chat-tab.active{color:var(--pex);border-bottom-color:var(--pex);background:#2baea617}.pex-suggestions{padding:9px 11px 7px;display:flex;gap:6px;flex-wrap:wrap;background:var(--pex-lighter);border-bottom:1px solid var(--border);flex-shrink:0}.pex-suggestions.pex-hidden{display:none}.pex-chip{padding:5px 10px;border:1px solid rgba(43,174,166,.3);border-radius:20px;background:var(--white);color:var(--pex-dark);font-family:var(--font);font-size:11px;font-weight:700;cursor:pointer;white-space:nowrap;transition:all .15s}.pex-chip:hover{background:var(--pex);color:#fff;border-color:var(--pex)}.pex-tab-panel{display:none;flex:1;flex-direction:column;overflow:hidden}.pex-tab-panel.active{display:flex}.pex-messages{flex:1;overflow-y:auto;padding:13px 11px;display:flex;flex-direction:column;gap:10px;scroll-behavior:smooth}.pex-messages::-webkit-scrollbar{width:4px}.pex-messages::-webkit-scrollbar-track{background:transparent}.pex-messages::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.pex-msg{display:flex;align-items:flex-end;gap:8px;max-width:100%;animation:pex-msg-in .22s ease}@keyframes pex-msg-in{0%{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}.pex-msg.user{flex-direction:row-reverse}.pex-msg-avatar{width:28px;height:28px;border-radius:7px;flex-shrink:0;display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px}.pex-msg-avatar.bot-avatar{background:var(--pex)}.pex-msg-avatar.user-avatar{background:var(--navy)}.pex-bubble{max-width:80%;padding:9px 12px;border-radius:11px;font-family:var(--font);font-size:13px;line-height:1.55}.pex-bubble.bot{background:var(--white);color:var(--text);border:1px solid var(--border);border-bottom-left-radius:3px;box-shadow:var(--shadow-sm)}.pex-bubble.user{background:var(--pex);color:#fff;border-bottom-right-radius:3px}.pex-msg-time{font-size:10px;color:var(--text3);margin-top:3px;font-family:var(--font)}.pex-msg.user .pex-msg-time{text-align:right}.pex-source-badge{display:inline-flex;align-items:center;gap:4px;margin-top:7px;padding:3px 8px;border-radius:20px;font-family:var(--font);font-size:10px;font-weight:700;letter-spacing:.3px;text-transform:uppercase}.pex-source-badge.kb{background:var(--pex-light);color:var(--pex-xdark)}.pex-source-badge.iso{background:#e8f0fe;color:#1a56db}.pex-source-badge.ai{background:#fff3e0;color:#e65100}.pex-source-badge.doc{background:#e8f5e9;color:#1b5e20}.pex-source-badge.procedure{background:#f3e5f5;color:#6a1b9a}.pex-source-badge.notfound{background:#fafafa;color:#9e9e9e;border:1px solid #e0e0e0}.pex-result-card{background:var(--white);border:1px solid var(--border);border-left:3px solid var(--pex);border-radius:8px;padding:9px 11px;margin-top:8px;cursor:pointer;transition:all .15s;text-decoration:none;display:block}.pex-result-card:hover{border-left-color:var(--pex-dark);background:var(--pex-lighter)}.pex-result-card .rc-title{font-size:12px;font-weight:700;color:var(--text);margin-bottom:3px;font-family:var(--font)}.pex-result-card .rc-snippet{font-size:11px;color:var(--text2);line-height:1.5;font-family:var(--font)}.pex-result-card .rc-meta{display:flex;align-items:center;gap:7px;margin-top:6px}.rc-badge{font-family:var(--font);font-size:9px;font-weight:700;padding:2px 7px;border-radius:10px;text-transform:uppercase;letter-spacing:.3px}.rc-badge.word{background:#e3f2fd;color:#1565c0}.rc-badge.pdf{background:#fce4ec;color:#b71c1c}.rc-badge.xl{background:#e8f5e9;color:#1b5e20}.rc-badge.other{background:#f3e5f5;color:#6a1b9a}.rc-score{margin-left:auto;font-family:var(--font);font-size:10px;color:var(--text3)}.pex-typing{display:flex;gap:4px;align-items:center;padding:10px 14px}.pex-typing-dot{width:7px;height:7px;border-radius:50%;background:var(--pex);opacity:.4;animation:pex-typing .9s ease-in-out infinite}.pex-typing-dot:nth-child(2){animation-delay:.15s}.pex-typing-dot:nth-child(3){animation-delay:.3s}@keyframes pex-typing{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}.pex-status-bar{padding:5px 12px;background:var(--pex-lighter);border-top:1px solid var(--border);display:flex;align-items:center;gap:6px;font-family:var(--font);font-size:10px;color:var(--text2);flex-shrink:0}.pex-status-dot{width:6px;height:6px;border-radius:50%;background:#4ade80;flex-shrink:0;transition:background .3s}.pex-status-dot.searching{background:#f59e0b;animation:pex-pulse 1s infinite}.pex-status-dot.ai{background:#a78bfa;animation:pex-pulse 1s infinite}.pex-status-dot.error{background:#ef4444}.pex-input-area{padding:10px 11px;background:var(--white);border-top:1px solid var(--border);flex-shrink:0}.pex-input-row{display:flex;gap:7px;align-items:flex-end}.pex-input-wrap{flex:1;display:flex;align-items:flex-end;gap:5px;padding:7px 10px;border:1.5px solid var(--border);border-radius:10px;background:#f8fafc;transition:border-color .18s,background .18s}.pex-input-wrap:focus-within{border-color:var(--pex);background:var(--white)}#pex-input{flex:1;border:none;background:none;outline:none;resize:none;font-family:var(--font);font-size:13px;color:var(--text);line-height:1.5;max-height:100px;min-height:20px}#pex-input::placeholder{color:var(--text3)}.pex-attach-btn{border:none;background:none;cursor:pointer;color:var(--text3);padding:2px;display:flex;align-items:center;transition:color .15s;flex-shrink:0}.pex-attach-btn:hover{color:var(--pex)}.pex-send-btn{width:37px;height:37px;border:none;border-radius:10px;background:var(--pex);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 2px 10px #2baea659;transition:all .18s}.pex-send-btn:hover{background:var(--pex-dark);transform:scale(1.05)}.pex-send-btn:disabled{background:#cbd5e0;box-shadow:none;transform:none;cursor:not-allowed}.pex-input-hint{font-family:var(--font);font-size:10px;color:var(--text3);text-align:center;margin-top:5px}.pex-doc-search-bar{padding:10px 11px;border-bottom:1px solid var(--border);display:flex;gap:7px;flex-shrink:0}.pex-doc-input{flex:1;border:1.5px solid var(--border);border-radius:8px;padding:7px 10px;font-family:var(--font);font-size:13px;color:var(--text);outline:none;background:#f8fafc;transition:border-color .18s}.pex-doc-input:focus{border-color:var(--pex);background:var(--white)}.pex-doc-search-btn{padding:7px 16px;border:none;border-radius:8px;background:var(--pex);color:#fff;font-family:var(--font);font-size:13px;font-weight:700;cursor:pointer;transition:background .15s;white-space:nowrap}.pex-doc-search-btn:hover{background:var(--pex-dark)}.pex-doc-results{flex:1;overflow-y:auto;padding:11px;display:flex;flex-direction:column;gap:8px}.pex-doc-results::-webkit-scrollbar{width:4px}.pex-doc-results::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.pex-history-list{flex:1;overflow-y:auto;padding:10px;display:flex;flex-direction:column;gap:6px}.pex-history-item{padding:10px 12px;border:1px solid var(--border);border-radius:8px;cursor:pointer;background:var(--white);transition:all .15s}.pex-history-item:hover{border-color:var(--pex);background:var(--pex-lighter)}.pex-history-item .hi-q{font-family:var(--font);font-size:12px;font-weight:700;color:var(--text);margin-bottom:3px}.pex-history-item .hi-a{font-family:var(--font);font-size:11px;color:var(--text2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pex-history-item .hi-meta{display:flex;justify-content:space-between;margin-top:5px;font-family:var(--font);font-size:10px;color:var(--text3)}.pex-empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:24px 20px;text-align:center;color:var(--text2)}.pex-empty-state svg{opacity:.25;color:var(--pex)}.pex-empty-state strong{font-family:var(--font);font-size:13px}.pex-empty-state p{font-family:var(--font);font-size:12px;color:var(--text3);max-width:210px;line-height:1.55}.pex-result-count{font-family:var(--font);font-size:11px;color:var(--text2);padding:2px 0 4px}@media(max-width:480px){#pex-chat-window{width:calc(100vw - 16px);right:8px;bottom:80px;height:calc(100vh - 100px)}#pex-chat-launcher{right:12px;bottom:16px}#pex-chat-launcher .launcher-label{display:none}#pex-chat-launcher{width:50px;height:50px;border-radius:50%;padding:0;justify-content:center}}