.skeleton{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:200% 100%;animation:skeleton-loading 1.5s infinite}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}.page-loading{position:fixed;top:0;left:0;right:0;bottom:0;background:#ffffff;display:flex;align-items:center;justify-content:center;z-index:9999}.fast-spinner{width:24px;height:24px;border:2px solid #e5e7eb;border-top:2px solid #3b82f6;border-radius:50%;animation:fast-spin .6s linear infinite}@keyframes fast-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.nav-loading{opacity:.6;pointer-events:none;transition:opacity .1s}.content-loading-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:rgba(255,255,255,.8);display:flex;align-items:center;justify-content:center;z-index:10}.header-skeleton{height:64px;background:#f8fafc;border-bottom:1px solid #e2e8f0}.sidebar-skeleton{width:256px;height:100vh;background:#1e293b;position:fixed;left:0;top:0}.module-loading{min-height:400px;background:#ffffff;border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,.1);position:relative}.instant-show{opacity:1!important;transform:translateY(0)!important;transition:none!important}.instant-hide{opacity:0!important;transform:translateY(-10px)!important;transition:none!important}.gpu-accelerated{transform:translateZ(0);will-change:transform,opacity}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.no-flash{background-color:#fff;color:#1f2937}.fast-fade{transition:opacity .15s ease-out}.fast-fade-in{opacity:1}.fast-fade-out{opacity:0}