.rtac{position:fixed;right:18px;bottom:18px;z-index:99990;font-family:inherit}.rtac *{box-sizing:border-box}.rtac-launch{border:0;border-radius:999px;background:#00b7c9;color:#fff;box-shadow:0 10px 30px rgba(0,0,0,.22);padding:10px 16px 10px 10px;display:flex;align-items:center;gap:9px;font-weight:800;cursor:pointer}.rtac-launch-icon{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#003d50;font-size:13px}.rtac-panel{position:absolute;right:0;bottom:60px;width:min(390px,calc(100vw - 24px));height:min(650px,calc(100vh - 100px));background:#fff;border:1px solid #dbe4e8;border-radius:18px;overflow:hidden;box-shadow:0 20px 55px rgba(0,25,38,.28);display:grid;grid-template-rows:auto 1fr auto auto auto;color:#18262e}.rtac-panel[hidden]{display:none}.rtac-head{background:#003d50;color:#fff;padding:14px 16px;display:flex;justify-content:space-between;align-items:center}.rtac-head strong{display:block;font-size:16px}.rtac-head small{display:block;opacity:.82;font-size:11px;margin-top:2px}.rtac-close{border:0;background:transparent;color:#fff;font-size:28px;line-height:1;cursor:pointer}.rtac-messages{padding:14px;background:#f4f7f8;overflow:auto}.rtac-msg{max-width:88%;padding:10px 12px;border-radius:14px;margin:0 0 10px;font-size:14px;line-height:1.45}.rtac-msg.assistant{background:#fff;border:1px solid #e0e7ea;border-bottom-left-radius:4px}.rtac-msg.user{background:#00aabd;color:#fff;margin-left:auto;border-bottom-right-radius:4px}.rtac-typing{opacity:.7}.rtac-products{display:grid;gap:8px;margin-bottom:12px}.rtac-product{display:grid;grid-template-columns:72px 1fr;background:#fff;border:1px solid #dfe7ea;border-radius:12px;overflow:hidden}.rtac-product-img{display:block;background:#fff}.rtac-product-img img{width:72px;height:72px;object-fit:contain;display:block}.rtac-product-copy{padding:8px 9px;min-width:0}.rtac-product-name{font-size:12px;font-weight:800;color:#003d50;text-decoration:none;display:block;line-height:1.3}.rtac-product-meta{font-size:10px;color:#697b84;margin:3px 0}.rtac-product-price{font-size:13px;font-weight:800;color:#0098aa}.rtac-product-actions{display:flex;gap:6px;margin-top:6px}.rtac-product-actions a,.rtac-product-actions button{font:inherit;font-size:11px;font-weight:700;border:1px solid #00aabd;border-radius:7px;padding:5px 8px;text-decoration:none;background:#fff;color:#007d8c;cursor:pointer}.rtac-product-actions .rtac-order-btn{background:#00aabd;color:#fff}.rtac-quick{padding:8px 10px;border-top:1px solid #e5ecef;display:flex;gap:6px;overflow:auto;background:#fff}.rtac-quick button,.rtac-quick a{white-space:nowrap;border:1px solid #cad8dd;background:#fff;border-radius:999px;padding:6px 9px;font-size:11px;color:#25404b;text-decoration:none;cursor:pointer}.rtac-input-row{padding:9px;border-top:1px solid #e5ecef;display:grid;grid-template-columns:1fr 42px;gap:7px;background:#fff}.rtac-input-row textarea{resize:none;max-height:90px;border:1px solid #cbd8dd;border-radius:10px;padding:9px 10px;font:inherit;font-size:13px}.rtac-input-row button{border:0;border-radius:10px;background:#00aabd;color:#fff;font-size:18px;cursor:pointer}.rtac-note{font-size:9px;color:#70818a;padding:0 10px 8px;background:#fff;text-align:center}.rtac-order-box,.rtac-order-form,.rtac-confirm{background:#fff;border:1px solid #dbe5e8;border-radius:12px;padding:11px;margin:0 0 10px}.rtac-order-box>strong,.rtac-order-form>strong,.rtac-confirm>strong{display:block;color:#003d50;margin-bottom:8px}.rtac-order-row{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center;padding:6px 0;border-top:1px solid #edf1f3;font-size:12px}.rtac-order-row button{width:26px;height:26px;border:1px solid #cbd8dd;background:#fff;border-radius:6px}.rtac-order-row b{display:inline-block;min-width:26px;text-align:center}.rtac-proceed,.rtac-order-form>button,.rtac-confirm-yes{width:100%;border:0;border-radius:9px;background:#00aabd;color:#fff;font-weight:800;padding:9px;margin-top:9px;cursor:pointer}.rtac-order-form label{display:block;font-size:11px;font-weight:700;margin:7px 0}.rtac-order-form input[type=text],.rtac-order-form input[type=tel],.rtac-order-form input:not([type]),.rtac-order-form textarea{display:block;width:100%;border:1px solid #ccd9de;border-radius:8px;padding:8px;margin-top:3px;font:inherit}.rtac-order-form fieldset{border:1px solid #e1e8eb;border-radius:8px;margin:8px 0;padding:7px}.rtac-order-form fieldset label{font-weight:500}.rtac-privacy{font-size:10px;color:#657780;background:#f5f8f9;padding:7px;border-radius:7px}.rtac-confirm p{font-size:12px;line-height:1.45}.rtac-confirm>div{display:flex;gap:7px}.rtac-confirm-no{border:1px solid #cbd8dd;border-radius:9px;background:#fff;padding:9px;cursor:pointer}.rtac-confirm-yes{margin:0}.rtac-confirm-yes:disabled{opacity:.6}.rtac-launch-label{display:inline}
@media(max-width:520px){.rtac{right:10px;bottom:10px}.rtac-panel{position:fixed;left:8px;right:8px;bottom:8px;width:auto;height:min(76vh,650px);border-radius:16px}.rtac-launch{padding-right:11px}.rtac-launch-label{display:none}.rtac-launch-icon{width:42px;height:42px}.rtac-product{grid-template-columns:64px 1fr}.rtac-product-img img{width:64px;height:64px}}

/* v1.0.1: keep chat above sticky store header and back-to-top UI. */
.rtac{z-index:99990!important}.rtac-panel{z-index:2}


/* v1.0.2 delivery policy, order summary and payment confirmation */
.rtac-delivery-zone small,.rtac-payment-field small{display:block;margin-top:5px;font-size:10px;line-height:1.4;color:#60747d;background:#f4f8f9;padding:6px;border-radius:6px}
.rtac-pay-warning{background:#fff7e6;border:1px solid #f1d493;color:#785100;padding:8px;border-radius:8px}
.rtac-success-card{background:#fff;border:1px solid #cfe1e5;border-radius:12px;padding:11px;margin:0 0 10px;box-shadow:0 4px 14px rgba(0,45,60,.05)}
.rtac-success-title{font-weight:900;color:#0b7f4b;font-size:14px;padding-bottom:8px;border-bottom:1px solid #e8eef0}
.rtac-success-section{font-size:11px;line-height:1.5;padding:8px 0;color:#425861}
.rtac-success-items{border-top:1px solid #edf1f3;border-bottom:1px solid #edf1f3;padding:4px 0}
.rtac-success-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:5px 0;font-size:11px}.rtac-success-row b{white-space:nowrap;color:#003d50}
.rtac-success-totals{padding:6px 0}.rtac-success-totals>div{display:flex;justify-content:space-between;gap:10px;padding:3px 0;font-size:11px}.rtac-success-totals .grand{font-size:13px;font-weight:900;color:#003d50;border-top:1px solid #e6edef;margin-top:4px;padding-top:7px}
.rtac-payment-confirm{background:#fff8e8;border:1px solid #efcf83;border-radius:12px;padding:11px;margin:0 0 10px}.rtac-payment-confirm>strong{display:block;color:#7d5300;margin-bottom:5px}.rtac-payment-confirm p{font-size:11px;line-height:1.45;margin:5px 0}.rtac-payment-confirm label{display:block;font-size:11px;font-weight:800;margin-top:8px}.rtac-payment-confirm input{display:block;width:100%;margin-top:4px;padding:8px;border:1px solid #d7c489;border-radius:8px;background:#fff}.rtac-payment-confirm button{width:100%;border:0;border-radius:9px;background:#00aabd;color:#fff;font-weight:800;padding:9px;margin-top:8px}.rtac-payment-confirm button:disabled{opacity:.6}


/* v1.0.3: payment confirmation readability on narrow mobile screens. */
.rtac-payment-confirm button{font-size:12px;line-height:1.2;white-space:normal;min-height:42px;padding:10px 8px}
.rtac-payment-confirm p b{white-space:nowrap}
@media(max-width:380px){.rtac-payment-confirm{padding:10px}.rtac-payment-confirm button{font-size:11px}.rtac-payment-confirm input{font-size:13px}}

/* v1.0.6 in-chat variable/grouped product configuration */
.rtac-config-card{background:#fff;border:1px solid #cfe0e5;border-radius:12px;padding:11px;margin:0 0 10px;box-shadow:0 4px 14px rgba(0,45,60,.05)}
.rtac-config-card>strong{display:block;color:#003d50;font-size:13px;margin-bottom:4px}.rtac-config-name{font-size:11px;color:#60747d;margin-bottom:9px;line-height:1.4}.rtac-config-card label{display:block;font-size:11px;font-weight:800;margin:7px 0}.rtac-config-card select,.rtac-config-card input[type=number]{display:block;width:100%;margin-top:4px;padding:8px;border:1px solid #cbd8dd;border-radius:8px;background:#fff;font:inherit}.rtac-config-price{font-size:13px;font-weight:900;color:#0098aa;min-height:18px;margin:5px 0}.rtac-add-variation,.rtac-add-group{width:100%;border:0;border-radius:9px;background:#00aabd;color:#fff;font-weight:800;padding:9px;margin-top:8px;cursor:pointer}
.rtac-group-list{display:grid;gap:7px}.rtac-group-row{display:grid;grid-template-columns:48px minmax(0,1fr) 58px;gap:8px;align-items:center;border:1px solid #e2e9ec;border-radius:9px;padding:6px}.rtac-group-row img{width:48px;height:48px;object-fit:contain;background:#fff}.rtac-group-row b{display:block;font-size:10px;line-height:1.3;color:#003d50}.rtac-group-row small{display:block;font-size:9px;color:#6a7b84;margin-top:2px}.rtac-group-price{font-size:10px;font-weight:800;color:#0098aa;margin-top:2px}.rtac-group-control input{width:52px!important;margin:0!important;padding:6px!important;text-align:center}.rtac-group-config-btn{border:1px solid #00aabd;background:#fff;color:#007d8c;border-radius:7px;font-size:9px;font-weight:800;padding:6px;cursor:pointer}.rtac-unavailable{font-size:9px;color:#a33}
@media(max-width:380px){.rtac-group-row{grid-template-columns:42px minmax(0,1fr) 52px}.rtac-group-row img{width:42px;height:42px}.rtac-group-row b{font-size:9.5px}}

/* v1.0.9 delivery-zone detection */
.rtac-zone-status{font-size:10.5px;line-height:1.4;padding:8px 9px;border-radius:8px;background:#f2f6f8;color:#546a74;margin:6px 0 8px}.rtac-zone-status.is-inside{background:#eaf8ef;color:#116a35;border:1px solid #c7ebd3}.rtac-zone-status.is-outside{background:#fff4df;color:#754b00;border:1px solid #f1d59b}.rtac-zone-status.is-unknown{background:#fff8e8;color:#7a570d;border:1px solid #eed69c}.rtac-zone-fallback small{display:block;margin-bottom:7px;font-size:10px;line-height:1.4;color:#6a7378}.rtac-zone-fallback[hidden]{display:none!important}

/* v1.1.0 Beginner Project Builder */
.rtac-project-plan{background:#fff;border:1px solid #cfe1e6;border-radius:14px;margin:0 0 12px;overflow:hidden;box-shadow:0 5px 18px rgba(0,45,60,.06)}
.rtac-project-head{display:flex;align-items:center;justify-content:space-between;gap:10px;background:#003d50;color:#fff;padding:11px 12px}.rtac-project-head small{display:block;font-size:8px;font-weight:900;letter-spacing:.9px;color:#70e7ef}.rtac-project-head strong{display:block;font-size:14px;line-height:1.25;margin-top:2px}.rtac-project-head>span{white-space:nowrap;background:#00aabd;border-radius:999px;padding:4px 7px;font-size:9px;font-weight:800}
.rtac-project-summary{font-size:11px;line-height:1.45;color:#425861;margin:0;padding:10px 12px 7px}.rtac-project-assumptions{margin:0 12px 9px;background:#f5f9fa;border-radius:8px;padding:7px 9px;font-size:10px;color:#536a74}.rtac-project-assumptions summary{cursor:pointer;font-weight:800}.rtac-project-assumptions ul{padding-left:17px;margin:6px 0 0}.rtac-project-assumptions li{margin:3px 0}
.rtac-project-items{display:grid;gap:8px;padding:0 10px 10px}.rtac-project-item{border:1px solid #e0e9ec;border-radius:10px;padding:9px;background:#fff}.rtac-project-item.is-optional{background:#fbfcfc}.rtac-project-role{margin-bottom:7px}.rtac-project-role strong{display:inline;font-size:11px;color:#003d50}.rtac-project-role p{font-size:10px;line-height:1.4;color:#60747d;margin:4px 0 0}.rtac-project-badge{display:inline-block;text-transform:uppercase;font-size:7.5px;font-weight:900;letter-spacing:.4px;background:#e6f7f9;color:#007c8a;border-radius:999px;padding:3px 5px;margin-right:5px}.is-optional .rtac-project-badge{background:#f0f1f2;color:#65747a}.is-recommended .rtac-project-badge{background:#fff4db;color:#7a5200}
.rtac-project-product{display:grid;grid-template-columns:50px minmax(0,1fr);gap:8px;align-items:center;background:#f7fafb;border-radius:8px;padding:6px}.rtac-project-product img{width:50px;height:50px;object-fit:contain;background:#fff;border-radius:6px}.rtac-project-product a{text-decoration:none;color:#003d50}.rtac-project-product b{display:block;font-size:10.5px;line-height:1.3}.rtac-project-product small{display:block;color:#6b7d85;font-size:8.5px;margin:2px 0}.rtac-project-price{font-size:11px;font-weight:900;color:#0098aa}.rtac-project-actions{margin-top:4px}.rtac-project-actions button,.rtac-project-actions a{border:1px solid #00aabd;background:#fff;color:#007d8c;border-radius:6px;padding:4px 7px;font:inherit;font-size:9px;font-weight:800;cursor:pointer;text-decoration:none}.rtac-project-actions button{background:#00aabd;color:#fff}.rtac-project-missing{font-size:9.5px;line-height:1.4;color:#82551b;background:#fff7e8;border:1px solid #f1d7a4;border-radius:8px;padding:7px}.rtac-project-alts{margin-top:6px;font-size:9px}.rtac-project-alts summary{cursor:pointer;color:#007d8c;font-weight:800}.rtac-project-alts a{display:block;text-decoration:none;color:#34515c;padding:4px 0;border-top:1px solid #edf1f2}.rtac-project-alts span{float:right;color:#6b7d85}.rtac-project-footer{border-top:1px solid #e6edef;padding:9px 10px;background:#f8fbfc}.rtac-project-add-all{width:100%;border:0;border-radius:8px;background:#00aabd;color:#fff;font-weight:900;padding:8px;cursor:pointer}.rtac-project-footer small{display:block;text-align:center;font-size:8.5px;color:#6b7d85;margin-top:5px;line-height:1.35}
@media(max-width:380px){.rtac-project-head strong{font-size:12.5px}.rtac-project-role p{font-size:9.5px}.rtac-project-product{grid-template-columns:44px minmax(0,1fr)}.rtac-project-product img{width:44px;height:44px}}
.rtac-cart-total{margin:10px 0 2px;padding:10px;border:1px solid #cce7eb;background:linear-gradient(135deg,#eefbfd,#f7fcfd);border-radius:10px;display:grid;grid-template-columns:1fr auto;gap:4px 10px;align-items:center}.rtac-cart-total span{font-size:12px;font-weight:800;color:#24444f}.rtac-cart-total b{font-size:16px;color:#008fa1}.rtac-cart-total small{grid-column:1/-1;font-size:9.5px;color:#657b84;line-height:1.35}.rtac-order-price-preview,.rtac-confirm-total{border:1px solid #cce7eb;background:#f4fbfc;border-radius:10px;padding:8px 10px;margin:9px 0}.rtac-order-price-preview>div,.rtac-confirm-total>div{display:flex;justify-content:space-between;gap:12px;font-size:11px;padding:4px 0}.rtac-order-price-preview .grand,.rtac-confirm-total .grand{border-top:1px solid #d9e9ec;margin-top:4px;padding-top:7px;font-size:13px}.rtac-order-price-preview .grand b,.rtac-confirm-total .grand b{color:#008fa1;font-size:14px}