.gitgraph-tooltip {
  position: absolute;
  margin-top: -15px;
  margin-left: 25px;
  padding: 8px 12px;
  border-radius: 6px;
  background: var(--bg-tertiary, #21262d);
  color: var(--text-primary, #e6edf3);
  border: 1px solid var(--border, #30363d);
  text-align: center;
  font-size: 13px;
  font-family: 'JetBrains Mono', monospace;
  line-height: 1.4;
  box-shadow: var(--shadow, 0 1px 3px rgba(0,0,0,0.3));
}

.gitgraph-tooltip:after {
  position: absolute;
  top: 10px;
  left: -18px;
  width: 0;
  height: 0;
  border-width: 10px;
  border-style: solid;
  border-color: transparent;
  border-right-color: var(--bg-tertiary, #21262d);
  content: "";
}


/* Detail panel styles are in index.css — single source of truth */