.back-to-top[data-astro-cid-ehsujokh]{left:clamp(1rem,3vw,1.5rem);bottom:calc(var(--floating-bar-h,0px) + 1rem + env(safe-area-inset-bottom));z-index:var(--z-overlay);width:2.75rem;height:2.75rem;color:var(--color-text-muted);background:var(--color-surface);border:1px solid var(--color-border-subtle);border-radius:var(--radius-full);box-shadow:var(--shadow-card);cursor:pointer;opacity:0;pointer-events:none;transition:opacity var(--duration-base) var(--ease-out-quart), transform var(--duration-base) var(--ease-out-quart), color var(--duration-fast) var(--ease-out-quart), border-color var(--duration-fast) var(--ease-out-quart);justify-content:center;align-items:center;padding:0;display:inline-flex;position:fixed;transform:translateY(.5rem)}.back-to-top[data-astro-cid-ehsujokh][hidden]{display:none}.back-to-top[data-astro-cid-ehsujokh][data-visible]{opacity:1;pointer-events:auto;transform:translateY(0)}.back-to-top[data-astro-cid-ehsujokh]:hover{color:var(--color-text-primary);border-color:var(--color-border-hover)}.back-to-top[data-astro-cid-ehsujokh]:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}@media (prefers-reduced-motion:reduce){.back-to-top[data-astro-cid-ehsujokh]{transition:none;transform:none}}