/* MIKA · copia de seguridad (exportar / importar partida). Se carga después de nsfw.css. */
.bk{position:fixed;inset:0;z-index:250;display:flex;align-items:center;justify-content:center;padding:18px;
  background:rgba(8,3,14,.8);backdrop-filter:blur(6px)}
.bk[hidden]{display:none}
.bk-box{width:min(420px,100%);padding:20px;border-radius:16px;border:1px solid rgba(236,72,153,.55);
  background:linear-gradient(180deg,rgba(40,10,44,.98),rgba(18,5,24,.99));box-shadow:0 18px 56px rgba(0,0,0,.55)}
.bk-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.bk-head h2{margin:0;font-family:'Fredoka','Nunito',sans-serif;font-size:19px}
.bk-box p{margin:0 0 14px;font-size:13px;line-height:1.5;color:var(--dim)}
.bk-acts{display:flex;flex-direction:column;gap:9px}
.bk-box small{display:block;margin-top:12px;font-size:11.5px;line-height:1.4;color:var(--dim);opacity:.85}
#btnBackup{white-space:nowrap}