.perf-skeleton .ob-skeleton{animation:perf-shimmer 1.2s ease-in-out infinite}@keyframes perf-shimmer{0%{opacity:.55}50%{opacity:1}to{opacity:.55}}.perf-network{position:fixed;bottom:16px;left:50%;z-index:190;max-width:min(480px,calc(100vw - 32px));transform:translateX(-50%);padding:12px 20px;border-radius:16px;font-size:13px;line-height:1.4;box-shadow:0 8px 24px rgba(29,29,31,.12)}.perf-network--offline{background:#fffbeb;border:1px solid #fde68a;color:#92400e}.perf-network--online{background:#f0fdf4;border:1px solid #bbf7d0;color:#166534}.btn-ghost:active:not(:disabled),.btn-primary:active:not(:disabled),.btn-secondary:active:not(:disabled),.calc-chip:active{transform:scale(.98);transition:transform 80ms ease,opacity 80ms ease}.btn-primary[data-pending=true],.btn-secondary[data-pending=true]{opacity:.75;pointer-events:none}.perf-scroll-smooth{scroll-behavior:smooth;-webkit-overflow-scrolling:touch}@media (prefers-reduced-motion:reduce){.perf-skeleton .ob-skeleton{animation:none}.btn-ghost:active:not(:disabled),.btn-primary:active:not(:disabled),.btn-secondary:active:not(:disabled){transform:none}}