.back-to-top{position:fixed;right:25px;bottom:100px;z-index:30;display:flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:11px 17px;background:#43436d;color:#fff;border:2px solid #fff;border-radius:30px;box-shadow:0 5px 18px #43436d26;font-size:12px;font-weight:700;line-height:1.2;transition:background .2s,transform .2s}.back-to-top[hidden]{display:none}.back-to-top>span:first-child{font-size:22px;line-height:1}.back-to-top:hover{background:#882c3f;color:#fff;transform:translateY(-2px)}.back-to-top:focus-visible{outline:3px solid #882c3f;outline-offset:3px}@media(max-width:550px){.back-to-top{right:15px;bottom:calc(max(15px,env(safe-area-inset-bottom)) + 70px);min-height:46px;padding:10px 14px;font-size:11px}}@media(prefers-reduced-motion:reduce){.back-to-top{transition:none}}@media print{.back-to-top{display:none!important}}