.back-to-top{position:fixed;z-index:var(--z-toolbar);inset-inline-start:max(var(--space-7),env(safe-area-inset-left));bottom:calc(var(--cookie-strip-height, 0px) + max(var(--space-7), env(safe-area-inset-bottom)));display:inline-flex;min-height:var(--control-lg);align-items:center;gap:var(--space-2);padding-inline:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-fg);color:var(--color-bg);font-family:var(--font-sans);font-size:var(--type-label);font-weight:600;opacity:0;visibility:hidden;pointer-events:none;cursor:pointer;touch-action:manipulation;transition:opacity .12s ease,background-color .12s ease}.back-to-top[data-visible=true]{opacity:1;visibility:visible;pointer-events:auto}.back-to-top:hover{background:color-mix(in srgb,var(--color-fg) 85%,var(--color-bg))}.back-to-top:focus-visible{outline:var(--focus-ring-width) solid var(--focus-ring);outline-offset:var(--focus-ring-offset)}@media (max-width:768px){.back-to-top{inset-inline-start:max(var(--space-4),env(safe-area-inset-left));bottom:calc(var(--cookie-strip-height, 0px) + max(var(--space-4), env(safe-area-inset-bottom)));min-height:var(--control-md);padding-inline:var(--space-3);font-size:var(--type-caption)}}@media (prefers-reduced-motion:reduce){.back-to-top{transition:none}}