.nad-back-to-top{position:fixed;right:22px;bottom:22px;z-index:9000;display:flex;align-items:center;justify-content:center;gap:6px;min-width:76px;min-height:48px;padding:11px 15px;border:1px solid #c9e0cb;border-radius:999px;background:#fff;color:#17462d;box-shadow:0 10px 30px rgba(9,47,28,.22);font:800 13px/1.2 Inter,"Segoe UI",Arial,sans-serif;cursor:pointer;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(12px);transition:opacity .2s,transform .2s,visibility .2s}
.nad-back-to-top.is-visible{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
.nad-back-to-top:hover{background:#eaf5ec;color:#0f572f}
.nad-back-to-top:focus-visible{outline:3px solid #b58a30;outline-offset:3px}
@media(max-width:600px){.nad-back-to-top{right:14px;bottom:calc(14px + env(safe-area-inset-bottom,0px));min-height:44px;min-width:68px;padding:9px 12px;font-size:12px}}
@media(prefers-reduced-motion:reduce){.nad-back-to-top{transition:none}}