#offline { position:fixed; inset:0; z-index:500000; background:#09090b; display:none; align-items:center; justify-content:center; }
#offline.show { display:flex; }
.offline-logo { font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif; font-size:48px; font-weight:800; letter-spacing:-1px; color:#ffffff; }
.offline-msg { font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif; font-size:18px; font-weight:700; color:#a81414; margin-top:12px; }
.offline-sub { font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif; font-size:14px; color:#71717a; margin-top:4px; }
.offline-btn { margin-top:20px; padding:10px 28px; border:1px solid #a81414; border-radius:8px; color:#a81414; font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif; font-size:13px; font-weight:600; cursor:pointer; transition:background 0.2s; }
.offline-btn:hover { background:rgba(168,20,20,0.15); }