:root{--bg:#050505;--fg:#e5e5e7;--cd:#0f0f12;--sf:#1d1d1f;--mu:#86868b;--ti:#8a95a5;--gd:#d4a76a;--rd:#e60000;--ln:rgba(229,229,231,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.6 system-ui,"Nirmala UI","Noto Sans Bengali","Bangla MN",sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
button,input,select,textarea{font:inherit;color:inherit}a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--rd);outline-offset:2px}::selection{background:rgba(230,0,0,.35)}
.mu{color:var(--mu);font-size:.88rem;margin:0}
.bt{background:var(--rd);color:#fff;border:0;border-radius:.75rem;padding:.7rem 1.4rem;font-weight:600;cursor:pointer}
.bt.o{background:transparent;color:var(--fg);box-shadow:0 0 0 1px var(--ln)}.bt.s{background:var(--fg);color:#0a0a0b}
.ib{background:none;border:0;padding:8px;cursor:pointer;color:var(--fg);position:relative;line-height:0}.ib:hover{color:var(--rd)}
.ib b{position:absolute;top:0;right:0;min-width:16px;height:16px;border-radius:99px;background:var(--rd);color:#fff;font-size:10px;line-height:16px;text-align:center}
input,select,textarea{background:var(--cd);border:1px solid var(--ln);border-radius:.6rem;padding:.6rem .8rem;width:100%}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}