.lang-loader{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.3);backdrop-filter:blur(2px);z-index:9999;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s}.lang-loader.active{opacity:1;visibility:visible}.lang-loader-spinner{width:48px;height:48px;border:4px solid rgba(255,255,255,0.2);border-top-color:#f97316;border-radius:50%;animation:spin .8s linear infinite}.page-loader{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(26,54,93,0.95);z-index:10000;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:16px;opacity:1;transition:opacity .3s ease-out;will-change:opacity;transform:translateZ(0)}.page-loader.loaded{opacity:0;pointer-events:none;visibility:hidden;transition:opacity .3s ease-out,visibility 0s .3s}.page-loader-spinner{width:60px;height:60px;border:5px solid rgba(255,255,255,0.1);border-top-color:#f97316;border-radius:50%;animation:spin 1s linear infinite}.page-loader-text{color:white;font-size:.875rem;font-weight:500}@keyframes spin{to{transform:rotate(360deg)}}.spinner-inline{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,0.3);border-top-color:currentColor;border-radius:50%;animation:spin .6s linear infinite}.btn-loading{position:relative;color:transparent!important;pointer-events:none}.btn-loading::after{content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:16px;height:16px;border:2px solid rgba(255,255,255,0.3);border-top-color:white;border-radius:50%;animation:spin .6s linear infinite}.skeleton{background:linear-gradient(90deg,#f0f0f0 0,#e0e0e0 50%,#f0f0f0 100%);background-size:200% 100%;animation:skeleton-loading 1.5s ease-in-out infinite;border-radius:4px}@keyframes skeleton-loading{0%{background-position:200% 0}100%{background-position:-200% 0}}.skeleton-text{height:16px;margin-bottom:8px}.skeleton-title{height:24px;width:60%;margin-bottom:16px}.skeleton-avatar{width:48px;height:48px;border-radius:50%}@media(prefers-color-scheme:dark){.skeleton{background:linear-gradient(90deg,#2a2a2a 0,#3a3a3a 50%,#2a2a2a 100%);background-size:200% 100%}}@media(prefers-reduced-motion:reduce){.lang-loader-spinner,.page-loader-spinner,.spinner-inline,.btn-loading::after{animation:none}.skeleton{animation:none;background:#f0f0f0}}.progress-bar{position:fixed;top:0;left:0;height:3px;background:#f97316;z-index:10001;transition:width .3s ease}.progress-bar.indeterminate{animation:progress-indeterminate 1.5s ease-in-out infinite;width:30%!important}@keyframes progress-indeterminate{0%{left:0;width:0}50%{left:25%;width:50%}100%{left:100%;width:0}}