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4px);left:50%;width:342px;padding:9px;display:grid;gap:4px;background:#fff;border:1px solid #d8e1eb;border-radius:14px;box-shadow:0 20px 50px rgba(5,29,67,.16);opacity:0;visibility:hidden;transform:translate(-50%,-7px);transition:opacity .16s ease,transform .16s ease,visibility .16s ease;}.mbl-v3-header .mbl-v3-research:hover .mbl-v3-research-panel,.mbl-v3-header .mbl-v3-research:focus-within .mbl-v3-research-panel,.mbl-v3-header .mbl-v3-research.is-open .mbl-v3-research-panel{opacity:1;visibility:visible;transform:translate(-50%,0);}.mbl-v3-header .mbl-v3-research-panel a{display:grid;gap:4px;padding:11px 12px;border-radius:9px;color:#061a44;text-decoration:none;}.mbl-v3-header .mbl-v3-research-panel a:hover,.mbl-v3-header .mbl-v3-research-panel a:focus-visible{background:#f3f7fb;color:#b80f1d;outline:none;}.mbl-v3-header .mbl-v3-research-panel strong{font-size:13px;font-weight:800;line-height:1.2;}.mbl-v3-header .mbl-v3-research-panel small{font-size:11px;font-weight:520;line-height:1.35;color:#607187;}.mbl-v3-header .mbl-v3-research-panel .mbl-v3-external strong::after{content:" ↗";font-weight:700;}.mbl-v3-header .mbl-v3-actions{justify-self:end;display:flex;align-items:center;gap:14px;}.mbl-v3-header .mbl-v3-cart{position:relative;width:44px;height:44px;display:grid;place-items:center;border:1px solid transparent;border-radius:12px;color:#061a44;text-decoration:none;transition:background .16s ease,border-color .16s ease,color .16s ease;}.mbl-v3-header .mbl-v3-cart:hover,.mbl-v3-header .mbl-v3-cart:focus-visible{background:#f5f8fc;border-color:#d7e0ea;color:#b80f1d;outline:none;}.mbl-v3-header .mbl-v3-cart svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.85;stroke-linecap:round;stroke-linejoin:round;}.mbl-v3-header .mbl-v3-cart-count{position:absolute;top:1px;right:0;min-width:18px;height:18px;padding:0 5px;display:grid;place-items:center;border:2px solid #fff;border-radius:999px;background:#e31b2b;color:#fff;font-size:9px;font-weight:850;line-height:1;}.mbl-v3-header .mbl-v3-cart-count.is-empty{opacity:0;transform:scale(.78);pointer-events:none;}.mbl-v3-header .mbl-v3-menu-toggle{display:none;width:44px;height:44px;padding:0;border:1px solid #d8e1eb;border-radius:11px;background:#fff;place-items:center;cursor:pointer;user-select:none;-webkit-user-select:none;}.mbl-v3-header .mbl-v3-menu-toggle>span{display:block;width:20px;height:2px;margin:3px 0;border-radius:4px;background:#061a44;transition:transform .16s ease,opacity .16s ease;}.mbl-v3-header .mbl-v3-menu-toggle[aria-expanded="true"]>span:nth-child(1){transform:translateY(5px) rotate(45deg);}.mbl-v3-header .mbl-v3-menu-toggle[aria-expanded="true"]>span:nth-child(2){opacity:0;}.mbl-v3-header .mbl-v3-menu-toggle[aria-expanded="true"]>span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}@media (max-width:1080px){.mbl-v3-header .mbl-v3-shell{width:min(100% - 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18px);}.mbl-v3-header .mbl-v3-primary{left:-9px;right:-9px;}}@media (prefers-reduced-motion:reduce){.mbl-v3-header *{transition:none;}}.mbl-v3-header,.mbl-v3-header *{box-sizing:border-box;font-synthesis:none;}.mbl-v3-header a,.mbl-v3-header span,.mbl-v3-header strong,.mbl-v3-header small{font-family:Inter,"Segoe UI",Arial,sans-serif;text-transform:none;}.mbl-v3-header a{text-decoration:none;}.mbl-v3-header img,.mbl-v3-header svg{max-width:none;margin:0;}.mbl-v3-header{isolation:isolate;margin:0;padding:0;}.mbl-site-utility,.mbl-site-utility *{box-sizing:border-box;font-synthesis:none;}.mbl-site-utility{position:relative;z-index:1090;width:100%;height:40px;min-height:40px;margin:0;padding:0;overflow:hidden;border:0;border-bottom:1px solid rgba(132,164,207,.20);background:linear-gradient(180deg,#082758 0%,#061f49 100%);color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.055);font-family:Inter,"Segoe UI",Arial,sans-serif;line-height:1;}.mbl-site-utility::after{content:"";position:absolute;right:0;bottom:0;left:0;height:1px;pointer-events:none;background:linear-gradient(90deg,transparent,rgba(163,190,226,.24),transparent);}.mbl-site-utility__inner{position:relative;z-index:1;width:min(1400px,calc(100% - 48px));height:40px;min-height:40px;margin:0 auto;padding:0;display:flex;align-items:center;justify-content:space-between;gap:24px;color:#fff;}.mbl-site-utility__primary,.mbl-site-utility__meta{display:flex;align-items:center;min-width:0;margin:0;padding:0;}.mbl-site-utility__primary{gap:9px;color:#fff;font:600 12px/1 Inter,"Segoe UI",Arial,sans-serif;letter-spacing:.005em;white-space:nowrap;}.mbl-site-utility__primary strong{margin:0;color:#fff;font:850 12px/1 Inter,"Segoe UI",Arial,sans-serif;letter-spacing:.01em;white-space:nowrap;}.mbl-site-utility__context{color:#cbd9eb;font-weight:550;}.mbl-site-utility__maple{display:grid;place-items:center;width:24px;height:24px;flex:0 0 24px;margin:0;border:1px solid rgba(255,88,99,.24);border-radius:7px;background:rgba(215,25,32,.12);color:#ff3344;}.mbl-site-utility__maple svg{display:none!important;}.mbl-site-utility__maple::before{content:"";display:block;width:14px;height:16px;background:#ff3344;-webkit-mask:url("/assets/icons/canadian-maple-leaf.svg") center/contain no-repeat;mask:url("/assets/icons/canadian-maple-leaf.svg") center/contain no-repeat;}.mbl-site-utility__meta{gap:0;color:#e7eff9;font:650 11px/1 Inter,"Segoe UI",Arial,sans-serif;white-space:nowrap;}.mbl-site-utility__meta span{position:relative;display:inline-flex;align-items:center;height:24px;margin:0;padding:0 12px;color:inherit;font:inherit;letter-spacing:.005em;}.mbl-site-utility__meta span:first-child{padding-left:0;}.mbl-site-utility__meta span:last-child{padding-right:0;}.mbl-site-utility__meta span+span::before{content:"";position:absolute;left:0;width:1px;height:12px;background:rgba(255,255,255,.16);}@media(max-width:900px){.mbl-site-utility__inner{width:calc(100% - 32px);justify-content:flex-start;}.mbl-site-utility__meta{display:none;}}@media(max-width:620px){.mbl-site-utility{height:36px;min-height:36px;}.mbl-site-utility__inner{width:calc(100% - 24px);height:36px;min-height:36px;}.mbl-site-utility__primary{gap:8px;font-size:11px;}.mbl-site-utility__primary strong{font-size:11px;}.mbl-site-utility__context{display:none;}.mbl-site-utility__maple{width:22px;height:22px;flex-basis:22px;}.mbl-site-utility__maple::before{width:13px;height:15px;}}/* Mobile compositing guardrails for transient overlays. These elements already
   use opaque/semi-opaque backdrops, so expensive live backdrop blurs add little
   visual value on constrained devices. */
@media (max-width: 768px) {
  .cart-drawer-overlay,
  .quick-view-modal,
  .mbl-configure-modal,
  .mbl-coa-backdrop,
  .mbl-review-backdrop,
  .catalogue-choice-backdrop,
  .research-citation-modal {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
  }
}