.device-dialog { box-sizing: border-box; width: min(540px, calc(100% - 32px)); max-height: 90svh; overflow: auto; padding: 24px; border: 1px solid #d8e3de; border-radius: 12px; font: 16px/1.5 Arial, sans-serif; }
.device-dialog::backdrop { background: #0008; }
.device-dialog h2 { margin-top: 0; }
.device-dialog label { display: block; }
.device-dialog input { width: auto; }
.device-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin: 12px 0; }
.device-dialog button, #device-tools button, #device-backup-reminder button { font-size: 16px; min-height: 44px; padding: 8px 14px; cursor: pointer; }
#device-tools { margin-top: 8px; font-weight: normal; }
#device-tools summary { cursor: pointer; }
#device-tools p { margin: 8px 0; max-width: 65ch; }
#device-backup-reminder { margin: 16px 0; padding: 12px; border: 1px solid #d8e3de; border-radius: 8px; }
#device-backup-reminder[hidden] { display: none; }
body.in-quiz #hosted-guest-notice { display: none; }