.browse-actions{position:fixed;z-index:40;right:16px;bottom:calc(80px + env(safe-area-inset-bottom, 0px));display:flex;flex-direction:column;align-items:center;gap:10px;pointer-events:none}.browse-action{display:grid;place-items:center;width:46px;height:46px;border:1px solid var(--border-color);border-radius:50%;color:var(--text-primary);background:var(--bg-secondary);box-shadow:0 4px 16px var(--shadow-color);cursor:pointer;pointer-events:auto}.browse-action:focus-visible{outline:2px solid #60a5fa;outline-offset:3px}.browse-action--top{opacity:0;transform:translateY(8px);pointer-events:none;transition:opacity .18s ease,transform .18s ease,visibility .18s;visibility:hidden}.browse-action--top[data-visible=true]{opacity:1;transform:translateY(0);pointer-events:auto;visibility:visible}@media (min-width:1024px){.browse-actions{bottom:24px}}@media (prefers-reduced-motion:reduce){.browse-action--top{transition:none}}.scroll-header{transform:translateY(0);transition:transform .24s cubic-bezier(.22,1,.36,1)}.scroll-header[data-hidden=true]{transform:translateY(calc(-100% - 1px));pointer-events:none}@media (prefers-reduced-motion:reduce){.scroll-header{transition:none}}