.tooltip{position:fixed;padding:.8rem 1.2rem;background:rgba(10,0,25,0.9);color:#fff;font-size:.85rem;border-radius:10px;pointer-events:none;opacity:0;transition:none;z-index:10000;max-width:280px;box-shadow:0 0 0 2px #000,0 0 20px #000}.tooltip.visible{opacity:1}.tooltip::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;border-radius:10px;padding:2px;background:linear-gradient(90deg,#1a3475,#0d1a45,#0d1a45,#1a3475);background-size:200% 100%;animation:tooltipBorder 2s ease-in-out infinite;-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude}@keyframes tooltipBorder{0%{background-position:0 0}100%{background-position:200% 0}}