.rsb-u1 { display: none; flex-direction: column; height: 100vh; }
.rsb-u2 { margin-left: 4px; color: var(--text-muted); font: 700 9px var(--mono); letter-spacing: .05em; text-transform: uppercase; }
.rsb-u3 { display: flex; align-items: center; gap: 10px; }
.rsb-u4 { width: 18px; height: 18px; }
.rsb-u5 { display: flex; flex: 2; flex-direction: column; }
.rsb-u6 { flex: 1; }