:root{--font-app: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif}.sfondo-app,.sfondo-app-velo{position:fixed;top:0;left:0;width:100vw;height:100lvh;z-index:-1;pointer-events:none}.sfondo-app{background-color:var(--wallpaper-tint);background-position:center;background-size:cover;background-repeat:no-repeat;opacity:0;transition:opacity .4s ease}.sfondo-app[data-pronto=true]{opacity:1}.sfondo-app-velo{background-color:var(--wallpaper-veil)}@media(prefers-reduced-transparency:reduce){.sfondo-app,.sfondo-app-velo{display:none}}@media(prefers-reduced-motion:reduce){.sfondo-app{transition:none}}html,body{height:100%}*::-webkit-scrollbar{width:10px;height:10px}*::-webkit-scrollbar-thumb{background-color:#80808066;border-radius:8px}*::-webkit-scrollbar-track{background:transparent}