:root{font-family:system-ui,'Noto Sans Bengali','Nirmala UI',sans-serif;color:#182b25;background:#fbfcfa;font-synthesis:none;text-rendering:optimizeLegibility;--green:#0d6b53;--green-dark:#084d3d;--muted:#718078;--line:#e7ece8;--paper:#fff;--soft:#f1f7f3}
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button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-width:68px;color:#87938b;background:transparent;border:0}.mobile-nav a span,.mobile-nav button span{font-size:20px;line-height:1.2}.mobile-nav small{font-size:10px}.mobile-nav .active{color:var(--green)}.dialog-backdrop{padding:0;align-items:flex-end}.dialog-panel{width:100%;max-height:90dvh;border-radius:22px 22px 0 0;padding:22px 18px max(24px,env(safe-area-inset-bottom));animation:slideup .2s ease-out}.dialog-header h2{font-size:23px}.form-row{gap:8px}.result-value{font-size:25px}.toast{bottom:78px}}@keyframes slideup{from{transform:translateY(30px);opacity:.6}to{transform:translateY(0);opacity:1}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}