@keyframes skeleton-loading{0%{background-color:#e0e0e0;}50%{background-color:#f0f0f0;}100%{background-color:#e0e0e0;}}@keyframes shimmer{0%{background-position:-1000px 0;}100%{background-position:1000px 0;}}.skeleton-loader-container{width:100%;}.skeleton-row{animation:skeleton-loading 1.5s infinite;}.skeleton-cell{padding:12px !important;}.skeleton-bar{height:16px;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:1000px 100%;animation:shimmer 2s infinite;border-radius:4px;margin:8px 0;}.skeleton-bar.short{width:60%;height:12px;}.skeleton-cards-container{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;padding:20px;}.skeleton-card{background:white;border-radius:8px;padding:20px;box-shadow:0 2px 4px rgba(0,0,0,0.1);animation:skeleton-loading 1.5s infinite;}.skeleton-header{margin-bottom:16px;}.skeleton-title{height:20px;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:1000px 100%;animation:shimmer 2s infinite;border-radius:4px;margin-bottom:8px;}.skeleton-subtitle{height:14px;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:1000px 100%;animation:shimmer 2s infinite;border-radius:4px;width:80%;}.skeleton-content{margin-bottom:16px;}.skeleton-footer{display:flex;gap:8px;}.skeleton-button{height:36px;width:80px;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:1000px 100%;animation:shimmer 2s infinite;border-radius:4px;}@keyframes fadeInUp{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:translateY(0);}}.progressive-item{animation:fadeInUp 0.4s ease-out forwards;}.content-transition{transition:opacity 0.3s ease-in-out;}.content-transitioning{opacity:0.5;pointer-events:none;}.enhanced-spinner{display:flex;flex-direction:column;align-items:center;justify-content:center;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.3);backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);z-index:1000;}.enhanced-spinner-content{display:flex;flex-direction:column;align-items:center;gap:16px;}.enhanced-spinner-text{color:white;font-size:14px;font-weight:500;text-align:center;}.loading-bar{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,#007bff,#0056b3);width:0%;z-index:999;transition:width 0.3s ease;}.loading-bar.complete{opacity:0;transition:opacity 0.5s ease;}.mini-progress{height:2px;background-color:#f0f0f0;border-radius:2px;overflow:hidden;margin:8px 0;}.mini-progress-bar{height:100%;background:linear-gradient(90deg,#007bff,#0056b3);border-radius:2px;animation:progress 1.5s ease-in-out forwards;}@keyframes progress{0%{width:0%;}50%{width:80%;}100%{width:100%;}}.lazy-image{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:1000px 100%;animation:shimmer 2s infinite;display:block;}.lazy-image.loaded{animation:none;background:none;}button.loading{position:relative;color:transparent;pointer-events:none;}button.loading::after{content:"";position:absolute;width:14px;height:14px;top:50%;left:50%;margin-left:-7px;margin-top:-7px;border:2px solid #f3f3f3;border-radius:50%;border-top:2px solid #007bff;animation:spin 0.8s linear infinite;}@keyframes spin{0%{transform:rotate(0deg);}100%{transform:rotate(360deg);}}.loading-container{display:flex;align-items:center;justify-content:center;padding:40px 20px;min-height:200px;}.loading-content{text-align:center;}.loading-spinner{display:inline-block;width:40px;height:40px;border:4px solid #f3f3f3;border-top:4px solid #007bff;border-radius:50%;animation:spin 0.8s linear infinite;margin-bottom:16px;}.loading-text{color:#666;font-size:14px;margin-top:8px;}@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}.fade-in{animation:fadeIn 0.3s ease-in-out;}@keyframes slideIn{from{opacity:0;transform:translateY(-20px);}to{opacity:1;transform:translateY(0);}}.slide-in{animation:slideIn 0.3s ease-out;}@keyframes pulse{0%{opacity:1;}50%{opacity:0.5;}100%{opacity:1;}}.pulse{animation:pulse 1.5s ease-in-out infinite;}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;text-align:center;color:#999;}.empty-state-icon{font-size:48px;margin-bottom:16px;opacity:0.5;}.empty-state-text{font-size:16px;margin-bottom:8px;}.empty-state-subtext{font-size:14px;color:#bbb;}.content-loading{opacity:0.5;pointer-events:none;transition:opacity 0.2s ease;}.content-loaded{opacity:1;pointer-events:auto;}.error-state{padding:20px;background-color:#fff5f5;border:1px solid #feb2b2;border-radius:4px;color:#c53030;}.error-icon{margin-right:8px;}.page-transitioning{opacity:0.8;filter:blur(1px);transition:all 0.3s ease-in-out;}@media (max-width:768px){.skeleton-cards-container{grid-template-columns:1fr;}.skeleton-cell{padding:8px !important;}.skeleton-bar{height:12px;}}@media print{.skeleton-loader-container,.skeleton-cards-container,.loading-bar,.enhanced-spinner{display:none !important;}}