#wpa4-root{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;z-index:999999;position:relative}
#wpa4-toggle{position:fixed;right:22px;bottom:22px;width:58px;height:58px;border:0;border-radius:50%;font-size:25px;cursor:pointer;box-shadow:0 5px 20px rgba(0,0,0,.2);background:#111;color:#fff}
#wpa4-box{display:none;position:fixed;right:22px;bottom:92px;width:390px;height:600px;background:#fff;border:1px solid #e5e7eb;border-radius:18px;overflow:hidden;box-shadow:0 18px 55px rgba(0,0,0,.18);flex-direction:column}
#wpa4-box.open{display:flex}
#wpa4-box header{padding:13px 15px;background:#111;color:#fff;display:flex;justify-content:space-between;align-items:center}
#wpa4-box header div{display:flex;gap:2px}
#wpa4-box header button{background:transparent;border:0;color:#fff;font-size:18px;cursor:pointer;padding:2px 5px;line-height:1}
#wpa4-sessionbar{font-size:10px;color:#6b7280;padding:5px 13px;border-bottom:1px solid #f0f0f0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-height:16px;background:#fff}
#wpa4-options{display:none;background:#fff;border-bottom:1px solid #e5e7eb;max-height:150px;overflow:auto;padding:8px 10px;box-shadow:0 2px 8px rgba(0,0,0,.05);flex-shrink:0;animation:wpa4-slide-in .18s ease-out}
#wpa4-options.has-options{display:block}
.wpa4-option-group{border:1px solid #e4e7ec;border-radius:11px;padding:7px 8px;margin-bottom:7px;background:#fbfcfd}
.wpa4-option-group:last-child{margin-bottom:0}
.wpa4-option-top{display:flex;align-items:center;gap:8px;margin-bottom:6px;font-size:11px}
.wpa4-option-top strong{flex:1;color:#1f2937}
.wpa4-option-dismiss{border:0;background:transparent;color:#9ca3af;font-size:17px;line-height:1;cursor:pointer;padding:0 3px}
.wpa4-option-choices{display:flex;gap:6px;overflow-x:auto;padding-bottom:1px;scrollbar-width:thin}
.wpa4-option-choice{border:1px solid #d8dee6;background:#fff;border-radius:999px;padding:5px 10px;font-size:11px;white-space:nowrap;cursor:pointer;color:#111;flex:0 0 auto}
.wpa4-option-choice:hover{background:#f4f5f6}
#wpa4-viewbar{display:flex;gap:4px;padding:5px 10px;border-bottom:1px solid #eee;background:#fff;flex-shrink:0}
.wpa4-viewmode{border:1px solid #d9dee5;background:#fff;color:#555;border-radius:999px;padding:4px 9px;font-size:10px;cursor:pointer}.wpa4-viewmode.active{background:#111;color:#fff;border-color:#111}
#wpa4-messages{flex:1;padding:10px;overflow:auto;background:#fafafa}
.wpa4-msg{margin:7px 0;display:flex;flex-direction:column}.wpa4-msg.user{align-items:flex-end}
.wpa4-bubble{max-width:88%;padding:9px 11px;border-radius:14px;line-height:1.55;background:#f0f1f3;color:#111;word-break:break-word;font-size:13px}
.wpa4-msg.user .wpa4-bubble{background:#111;color:#fff}
.wpa4-time{font-size:9px;color:#9aa1aa;margin:2px 3px 0;line-height:1}
.wpa4-spacer{height:7px}.wpa4-list{margin:3px 0}.wpa4-md-img{max-width:82%;max-height:150px;object-fit:contain;border-radius:10px}
.wpa4-old-questions{margin:9px 0 3px;border-top:1px solid #e8eaed;padding-top:6px}.wpa4-old-questions summary{cursor:pointer;color:#6b7280;font-size:10px;list-style:none;outline:none}.wpa4-old-questions summary::-webkit-details-marker{display:none}
.wpa4-question-list{display:flex;flex-direction:column;gap:4px;margin-top:6px}.wpa4-old-question{display:flex;gap:8px;justify-content:space-between;width:100%;padding:6px 7px;border:1px solid #eceef1;border-radius:8px;background:#fff;font-size:10px;color:#444;text-align:left;cursor:pointer}.wpa4-old-question span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.wpa4-old-question time{flex:0 0 auto;color:#a0a5ad;font-size:9px}
.wpa4-products{display:flex;flex-direction:column;gap:7px;margin-top:7px}.wpa4-card{display:flex;gap:9px;align-items:stretch;background:#fff;border:1px solid #e4e7eb;border-radius:12px;padding:7px;box-shadow:0 1px 5px rgba(0,0,0,.04);min-height:92px}.wpa4-thumb{width:76px;height:76px;flex:0 0 76px;display:block;border-radius:9px;overflow:hidden;background:#f3f4f6}.wpa4-thumb img{width:100%;height:100%;object-fit:cover;display:block}.wpa4-noimg{display:flex;align-items:center;justify-content:center;color:#9ca3af;font-size:20px}.wpa4-card-main{min-width:0;display:flex;flex:1;flex-direction:column;justify-content:space-between}.wpa4-card h4{font-size:13px;line-height:1.3;margin:0 0 2px;max-height:34px;overflow:hidden}.wpa4-card h4 a{color:#111;text-decoration:none}.wpa4-price{font-weight:800;font-size:14px;margin:1px 0}.wpa4-meta{font-size:11px;color:#667085;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.wpa4-actions{display:flex;gap:5px;margin-top:4px}.wpa4-view,.wpa4-add{border:1px solid #d7dce3;background:#fff;border-radius:8px;padding:5px 8px;font-size:11px;cursor:pointer;text-decoration:none;color:#111}.wpa4-add{background:#111;color:#fff;border-color:#111}
.wpa4-solution-map{margin-top:7px;border:1px solid #e6e9ed;background:#fff;border-radius:11px;padding:8px}.wpa4-solution-title{font-size:10px;font-weight:700;color:#525866;margin-bottom:6px}.wpa4-building{display:flex;flex-direction:column;gap:3px;align-items:stretch}.wpa4-floor{border:1px solid #dfe3e8;border-radius:6px;padding:3px 6px;font-size:9px;color:#4b5563;background:#f8fafc}.wpa4-solution-chips{display:flex;gap:4px;flex-wrap:wrap;margin-top:6px}.wpa4-solution-chips span{font-size:9px;border:1px solid #e4e7eb;border-radius:999px;padding:3px 6px;background:#fff;color:#5c6470}.wpa4-solution-note{font-size:8px;color:#9aa1aa;margin-top:5px}
#wpa4-commerce{flex-shrink:0;background:#fff;border-top:1px solid #e8eaed;padding:7px 10px;max-height:230px;overflow:auto}.wpa4-quote{border:1px solid #dde2e8;border-radius:10px;background:#fff;padding:8px}.wpa4-quote-head{display:flex;justify-content:space-between;gap:8px;align-items:center;font-size:11px;color:#262b33}.wpa4-quote-head span{font-size:9px;color:#8a929c}.wpa4-quote-lines{margin:5px 0;border-top:1px solid #f0f1f3;border-bottom:1px solid #f0f1f3;padding:4px 0}.wpa4-quote-line{display:flex;justify-content:space-between;gap:8px;font-size:10px;line-height:1.35;padding:2px 0}.wpa4-quote-line span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#555}.wpa4-quote-line strong{font-size:10px;white-space:nowrap;color:#222}.wpa4-quote-total{font-weight:800;font-size:12px;margin:5px 0}.wpa4-quote-alert{font-size:9px;line-height:1.3;color:#8a4b00;margin:3px 0}.wpa4-quote-note{font-size:8px;line-height:1.35;color:#8b9199}.wpa4-quote-note a{color:#555}.wpa4-pay-btn{display:inline-flex;align-items:center;justify-content:center;margin-top:6px;text-decoration:none;border:0;border-radius:8px;padding:6px 11px;background:#111;color:#fff;font-size:10px;cursor:pointer}.wpa4-order-form-wrap{margin-top:7px}.wpa4-order-form{display:flex;flex-direction:column;gap:5px}.wpa4-order-title{font-size:10px;font-weight:700;color:#343a40}.wpa4-order-form input,.wpa4-order-form textarea{width:100%;box-sizing:border-box;border:1px solid #d7dce2;border-radius:8px;padding:7px 8px;font-size:10px;outline:none;background:#fff}.wpa4-order-form textarea{min-height:52px;resize:vertical}.wpa4-order-actions{display:flex;gap:5px}.wpa4-confirm-btn,.wpa4-cancel-btn{border-radius:8px;padding:6px 9px;font-size:10px;cursor:pointer}.wpa4-confirm-btn{border:0;background:#111;color:#fff}.wpa4-cancel-btn{border:1px solid #d7dce2;background:#fff;color:#555}.wpa4-order-form small{font-size:8px;color:#8b9199}.wpa4-quote-success{background:#fbfffc;border-color:#d6eadb}.wpa4-quote-success .wpa4-quote-head span{color:#4d7c57}.wpa4-quote-success .wpa4-pay-btn{margin-top:5px}
#wpa4-form{display:flex;gap:8px;padding:10px;border-top:1px solid #e5e7eb;background:#fff}#wpa4-input{flex:1;border:1px solid #d1d5db;border-radius:12px;padding:10px;outline:none}#wpa4-form button{border:0;border-radius:12px;padding:0 16px;background:#111;color:#fff;cursor:pointer}
#wpa4-session-panel{display:none;position:absolute;inset:64px 8px 59px 8px;background:#fff;border:1px solid #e3e7eb;border-radius:12px;box-shadow:0 10px 35px rgba(0,0,0,.16);z-index:20;overflow:auto}.wpa4-session-panel-head{position:sticky;top:0;background:#fff;display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-bottom:1px solid #eee;font-size:12px}.wpa4-session-panel-head button{border:0;background:transparent;font-size:18px;color:#777;cursor:pointer}.wpa4-session-empty{padding:14px;color:#7b8189;font-size:11px}.wpa4-session-item{display:flex;flex-direction:column;align-items:flex-start;width:100%;gap:3px;border:0;border-bottom:1px solid #f1f2f4;background:#fff;padding:9px 12px;text-align:left;cursor:pointer}.wpa4-session-item:hover,.wpa4-session-item.current{background:#f7f8fa}.wpa4-session-item.current{box-shadow:inset 3px 0 0 #111}.wpa4-session-item strong{font-size:11px;color:#20242a;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.wpa4-session-item small{font-size:9px;color:#9298a0}
.wpa4-loading{opacity:.7}
@keyframes wpa4-slide-in{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:520px){#wpa4-box{right:0;bottom:0;width:100%;height:100%;border-radius:0}#wpa4-toggle{right:15px;bottom:15px}.wpa4-card{min-height:86px}.wpa4-thumb{width:68px;height:68px;flex-basis:68px}}