@keyframes pulse{0%,to{opacity:.6}50%{opacity:.8}}.skeleton-pulse{animation:pulse 1.5s cubic-bezier(.4,0,.6,1) infinite}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton-shimmer{background:linear-gradient(90deg,#fff0,#fff3 20%,#ffffff80,#fff0);background-size:200% 100%;animation:shimmer 2s infinite}.skeleton-bg{background-color:#e5e7eb}.skeleton-transition{transition:opacity .5s ease-in-out}.skeleton-aspect-video{aspect-ratio:16 / 9}.skeleton-hidden{opacity:0;visibility:hidden}.skeleton-visible{opacity:1;visibility:visible}