/* ── Main layout ── */
.main {
  display: flex;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}

/* ── Panel header (shared) ── */
.panel-header {
  padding: 10px 16px 8px;
  border-bottom: 1px solid var(--border-soft);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.panel-header h2 {
  font-size: 11px; font-weight: 600; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .6px;
  flex: 1;
}
.panel-header-actions {
  display: flex; align-items: center; gap: 6px;
}

/* Info button (ℹ) */
.info-btn {
  background: none; border: none; color: var(--text-dim);
  font-size: 13px; cursor: pointer; padding: 2px 4px;
  border-radius: var(--radius-sm);
  line-height: 1; transition: color .15s;
}
.info-btn:hover { color: var(--text-muted); }