.back-to-top{position:fixed;right:max(18px,env(safe-area-inset-right));bottom:max(22px,env(safe-area-inset-bottom));z-index:45;display:grid;place-items:center;width:44px;height:44px;padding:0;border:1px solid #b89c51;border-radius:50%;color:#ffde83;background:#10232ef2;box-shadow:0 4px 20px #0006;cursor:pointer;touch-action:manipulation;backdrop-filter:blur(8px)}.back-to-top[hidden]{display:none}.back-to-top svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.back-to-top:hover{background:#243d46;border-color:#ffdf8c}.back-to-top:focus-visible{outline:2px solid #ffe29a;outline-offset:4px}body:has(dialog[open]) .back-to-top{display:none}
@media(max-width:700px){.back-to-top{right:16px;bottom:calc(96px + env(safe-area-inset-bottom,0px))}}
@media(prefers-reduced-motion:no-preference){.back-to-top{transition:background .15s}.back-to-top:not([hidden]){animation:back-top-in .18s ease-out}@keyframes back-top-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}}