body{font-family:Vazirmatn,sans-serif;background:radial-gradient(circle at 100% 0,#ecfdf5 0,transparent 40%),radial-gradient(circle at 0 100%,#fff1f2 0,transparent 40%),#f8fafc;min-height:100vh}
.num{font-family:'JetBrains Mono',monospace;font-variant-numeric:tabular-nums;direction:ltr;unicode-bidi:isolate;display:inline-block}
.flash-up{animation:fu .8s}.flash-down{animation:fd .8s}
@keyframes fu{0%{background:#d1fae5}100%{background:#fff}}
@keyframes fd{0%{background:#ffe4e6}100%{background:#fff}}
.rise{animation:rise .5s both}@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1}}
.toast{animation:rise .3s}