/* Phase 2A — subtle dotted underline signals abbreviations have accessible expansions */
.metric-abbr {
  text-decoration: underline dotted;
  text-decoration-color: color-mix(in srgb, var(--text-muted, #888) 65%, transparent);
  text-underline-offset: 2px;
  cursor: help;
}

[data-theme="light"] .metric-abbr {
  text-decoration-color: color-mix(in srgb, var(--text-muted, #64748b) 55%, transparent);
}

th .metric-abbr,
td .metric-abbr {
  font: inherit;
  color: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
}