.modal{
  position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(0,0,0,.55);z-index:30;opacity:0;pointer-events:none;
  transition:.3s
}
.modal.show{opacity:1;pointer-events:all}
.window{
  background:var(--bg-glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);border-radius:20px;padding:22px;
  max-width:340px;width:90%;box-shadow:var(--shadow-sm)
}
.window h2{margin:0 0 14px;font-size:18px}
.window input{
  width:100%;padding:12px;border-radius:12px;border:none;
  background:var(--bg-elevated);color:#fff;margin-bottom:14px
}
.w-row{display:flex;gap:10px}
.w-row .btn{flex:1}