#topbar {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 0.75em;
  padding: 0.6em 1em; padding-top: max(0.6em, env(safe-area-inset-top)); background: var(--surface); border-bottom: 1px solid var(--border);
}
#topbar .brand-word { font-size: 1.3rem; }
.stats { display: flex; gap: 1.25em; }
.stat { display: flex; flex-direction: column; align-items: center; line-height: 1.05; }
.stat b { font-size: 1.5rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.stat:first-child b { color: var(--ok); }
.stat small { color: var(--muted); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; }
body[data-status="reconnecting"] #topbar, body[data-status="offline"] #topbar { background: var(--warn-bg); }
body[data-status="stale"] #topbar { background: var(--danger-bg); }
.statusbar { padding: 0.5em 1em; font-size: 0.9rem; background: var(--warn-bg); color: var(--warn); border-bottom: 1px solid var(--border); }
.statusbar.danger { background: var(--danger-bg); color: var(--danger); }

#main { max-width: 640px; margin: 0 auto; padding: 0.75em; padding-bottom: 3em; }
#signin { margin-top: 8vh; }
.toolbar { margin: 0.75em 0 0.25em; }
.section-title { margin: 1em 0 0.4em; color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; }
.list { display: flex; flex-direction: column; gap: 0.4em; }
.guest { display: flex; align-items: center; gap: 0.75em; padding: 0.7em 0.9em; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.guest.is-present { border-color: color-mix(in srgb, var(--ok) 45%, var(--border)); background: color-mix(in srgb, var(--ok-bg) 55%, var(--surface)); }
.guest.is-new { animation: pop 0.5s ease-out; }
@keyframes pop { from { transform: scale(0.98); background: var(--ok-bg); } to { transform: none; } }
.guest-main { flex: 1; min-width: 0; }
.guest-name { font-weight: 600; font-size: 1.1rem; }
.guest-details { font-size: 0.9rem; }
.guest-when { white-space: nowrap; font-variant-numeric: tabular-nums; }
.away { border-color: var(--ok); }
.away li { display: flex; justify-content: space-between; gap: 0.5em; }
#push-card { margin-top: 0.75em; }
#push-card ol { padding-left: 1.3em; }
.foot { margin-top: 2em; text-align: center; font-size: 0.85rem; }
ul.plain { list-style: none; padding: 0; margin: 0; }
ul.plain li { padding: 0.4em 0; border-bottom: 1px solid var(--border); }