:root{--shadow-length:1.5;--shadow-opacity:.2;--shadow-blur:10;--shadow-angle:38;--shadow-sm:0 1px 2px 0 rgba(0,0,0,calc(var(--shadow-opacity)*.5));--shadow-base:calc(var(--shadow-length)*.5px)calc(var(--shadow-length)*.75px)calc(var(--shadow-blur)*.5px)rgba(0,0,0,var(--shadow-opacity));--shadow-md:calc(var(--shadow-length)*1px)calc(var(--shadow-length)*1.5px)calc(var(--shadow-blur)*1px)rgba(0,0,0,var(--shadow-opacity));--shadow-lg:calc(var(--shadow-length)*1.5px)calc(var(--shadow-length)*2.5px)calc(var(--shadow-blur)*1.5px)rgba(0,0,0,calc(var(--shadow-opacity)*1.25));--shadow-xl:calc(var(--shadow-length)*2px)calc(var(--shadow-length)*4px)calc(var(--shadow-blur)*2px)rgba(0,0,0,calc(var(--shadow-opacity)*1.5));--shadow-2xl:calc(var(--shadow-length)*3px)calc(var(--shadow-length)*6px)calc(var(--shadow-blur)*3px)rgba(0,0,0,calc(var(--shadow-opacity)*2));--shadow-hover:calc(var(--shadow-length)*1.5px)calc(var(--shadow-length)*2.5px)calc(var(--shadow-blur)*1.5px)rgba(0,0,0,calc(var(--shadow-opacity)*1.5));--shadow-hover-lg:calc(var(--shadow-length)*2px)calc(var(--shadow-length)*4px)calc(var(--shadow-blur)*2px)rgba(0,0,0,calc(var(--shadow-opacity)*1.75));--shadow-elevated:calc(var(--shadow-length)*2px)calc(var(--shadow-length)*5px)calc(var(--shadow-blur)*2.5px)rgba(0,0,0,calc(var(--shadow-opacity)*2));--shadow-inset:inset 0 2px 4px 0 rgba(0,0,0,calc(var(--shadow-opacity)*.4));--shadow-glow-primary:0 0 0 3px #2563eb4d;--shadow-glow-success:0 0 0 3px #10b9814d;--shadow-glow-error:0 0 0 3px #ef44444d;--shadow-blue:calc(var(--shadow-length)*1px)calc(var(--shadow-length)*2px)calc(var(--shadow-blur)*1px)rgba(37,99,235,calc(var(--shadow-opacity)*1.5));--shadow-green:calc(var(--shadow-length)*1px)calc(var(--shadow-length)*2px)calc(var(--shadow-blur)*1px)rgba(5,150,105,calc(var(--shadow-opacity)*1.5));--shadow-purple:calc(var(--shadow-length)*1px)calc(var(--shadow-length)*2px)calc(var(--shadow-blur)*1px)rgba(124,58,237,calc(var(--shadow-opacity)*1.5))}.shadows-winter{--shadow-length:4.5;--shadow-opacity:.3;--shadow-blur:15}.shadows-spring{--shadow-length:1.5;--shadow-opacity:.2;--shadow-blur:10}.shadows-summer{--shadow-length:.8;--shadow-opacity:.15;--shadow-blur:8}.shadows-autumn{--shadow-length:2;--shadow-opacity:.25;--shadow-blur:12}@media (prefers-color-scheme:dark){:root{--shadow-length:1;--shadow-opacity:.4;--shadow-blur:12}.shadows-winter{--shadow-length:2;--shadow-opacity:.35;--shadow-blur:18}.shadows-spring{--shadow-length:1;--shadow-opacity:.25;--shadow-blur:12}.shadows-summer{--shadow-length:.5;--shadow-opacity:.2;--shadow-blur:10}.shadows-autumn{--shadow-length:1.2;--shadow-opacity:.3;--shadow-blur:14}}.shadow-dynamic-sm{box-shadow:var(--shadow-sm)}.shadow-dynamic{box-shadow:var(--shadow-base)}.shadow-dynamic-md{box-shadow:var(--shadow-md)}.shadow-dynamic-lg{box-shadow:var(--shadow-lg)}.shadow-dynamic-xl{box-shadow:var(--shadow-xl)}.shadow-dynamic-2xl{box-shadow:var(--shadow-2xl)}.shadow-dynamic-elevated{box-shadow:var(--shadow-elevated)}.shadow-dynamic-inset{box-shadow:var(--shadow-inset)}.shadow-dynamic-hover{box-shadow:var(--shadow-base);transition:box-shadow .3s cubic-bezier(.4,0,.2,1),transform .3s cubic-bezier(.4,0,.2,1)}.shadow-dynamic-hover:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}.shadow-dynamic-hover-lg{box-shadow:var(--shadow-md);transition:box-shadow .3s cubic-bezier(.4,0,.2,1),transform .3s cubic-bezier(.4,0,.2,1)}.shadow-dynamic-hover-lg:hover{box-shadow:var(--shadow-hover-lg);transform:translateY(-4px)}.focus-glow:focus-visible{box-shadow:var(--shadow-glow-primary);outline:none}.btn-shadow{box-shadow:var(--shadow-md);transition:box-shadow .2s,transform .2s}.btn-shadow:hover{box-shadow:var(--shadow-hover)}.btn-shadow:active{box-shadow:var(--shadow-inset);transform:translateY(1px)}.card-shadow{box-shadow:var(--shadow-base);transition:box-shadow .3s,transform .3s}.card-shadow:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}@keyframes shadow-pulse{0%,to{box-shadow:var(--shadow-base)}50%{box-shadow:var(--shadow-hover)}}.animate-shadow-pulse{animation:2s ease-in-out infinite shadow-pulse}