/* ── Reports — Mobile ──────────────────────────────────── */
@media (max-width: 640px) {
  .rpt-layout { grid-template-columns: 1fr; }
  .rpt-nav {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 4px;
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 8px;
    margin-bottom: 12px;
    width: 100%;
  }
  .rpt-nav-item { white-space: nowrap; flex-shrink: 0; }
  .rpt-content { padding: 0; }
}