/* ── Distribution Tables ── */
  .dist-table-wrap { overflow-x: auto; margin: 20px 0; }
  .dist-table {
    border-collapse: separate; border-spacing: 0;
    font-size: 12px; width: 100%;
    border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden;
  }
  .dist-table th {
    background: var(--concept-bg); color: var(--concept-text); padding: 8px 6px;
    font-weight: 600; text-align: center; position: sticky; top: 0;
  }
  .dist-table td {
    padding: 6px; text-align: center; border-bottom: 1px solid var(--border-subtle);
    color: var(--text-primary);
  }
  .dist-table tr:hover td { background: rgba(139,92,246,0.08); }
  .dist-table .row-header {
    background: var(--formula-bg); color: var(--formula-text); font-weight: 700;
    position: sticky; left: 0;
  }
  .dist-table td.highlight {
    background: rgba(34,197,94,0.15); color: var(--example-text); font-weight: 700;
  }
  .table-lookup {
    background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
    padding: 20px 24px; margin-bottom: 24px;
    display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  }
  .table-lookup label { color: var(--text-secondary); font-size: 14px; }
  .table-lookup input {
    width: 140px; padding: 8px 12px;
    background: var(--bg-inset); border: 2px solid var(--border); border-radius: 10px;
    color: var(--text-primary); font-family: var(--font); font-size: 14px;
    transition: border-color 0.2s;
  }
  .table-lookup input:focus { outline: none; border-color: var(--concept); }
  .table-lookup .lookup-result {
    padding: 8px 16px; background: rgba(34,197,94,0.1);
    border: 1px solid rgba(34,197,94,0.3); border-radius: 10px;
    color: var(--example-text); font-weight: 700; font-size: 15px;
  }