.loading-screen{position:fixed;inset:0;width:100%;height:100%;background:linear-gradient(135deg,var(--bg-primary,#ffffff),var(--bg-card,#f8fafc));display:flex;justify-content:center;align-items:center;z-index:9999;opacity:1;visibility:visible;transition:opacity .5s cubic-bezier(.4,0,.2,1),visibility .5s}.loading-screen.hidden{opacity:0;visibility:hidden}.loading-logo{width:clamp(80px,15vw,140px);animation:premium-pulse 2s ease-in-out infinite;filter:drop-shadow(0 10px 20px rgba(0,0,0,.1));transition:filter .3s ease}@keyframes premium-pulse{0%,to{transform:scale(1);opacity:.9;filter:drop-shadow(0 5px 15px rgba(36,59,85,.1))}50%{transform:scale(1.08);opacity:1;filter:drop-shadow(0 15px 30px rgba(36,59,85,.2))}}.dark .loading-screen{background:linear-gradient(135deg,#0f172a,#1e293b)}.dark .loading-logo{filter:drop-shadow(0 0 25px rgba(147,197,253,.15));animation:dark-pulse 2s ease-in-out infinite}@keyframes dark-pulse{0%,to{transform:scale(1);opacity:.85}50%{transform:scale(1.08);opacity:1;filter:drop-shadow(0 0 35px rgba(147,197,253,.25))}}