.rf-m-0 { margin: 0 !important; }
.rf-mt-1 { margin-top: 8px !important; }
.rf-mt-2 { margin-top: 16px !important; }
.rf-mt-3 { margin-top: 24px !important; }
.rf-mb-0 { margin-bottom: 0 !important; }
.rf-text-center { text-align: center; }
.rf-text-muted { color: var(--rf-muted); }
.rf-max-reading { max-width: 68ch; }
.rf-flex-wrap { display: flex; flex-wrap: wrap; gap: 12px; }
.rf-align-center { align-items: center; }
.rf-space-between { justify-content: space-between; }
.rf-surface { background: var(--rf-surface); }
.rf-rounded { border-radius: var(--rf-radius-lg); }
.rf-shadow { box-shadow: var(--rf-shadow-soft); }
.rf-border { border: 1px solid var(--rf-border); }
.rf-hidden { display: none !important; }