.velo-accesso { position: fixed; inset: 0; background: rgba(20, 10, 30, .85); display: flex; align-items: center;
  justify-content: center; z-index: 1000; padding: 16px; }
.box-accesso { background: #fff; color: #222; border-radius: 12px; padding: 28px; width: 100%; max-width: 340px;
  display: flex; flex-direction: column; gap: 12px; font-family: system-ui, sans-serif; }
.box-accesso h2 { margin: 0; color: #5b2a86; }
.box-accesso input { font-size: 18px; padding: 10px; border: 1px solid #bbb; border-radius: 8px; }
.box-accesso button { font-size: 16px; padding: 10px; border: 0; border-radius: 8px; background: #5b2a86; color: #fff; cursor: pointer; }
.errore-accesso { color: #b00020; margin: 0; }