/* Layout: table cards container, card bar, warnings, empty state */
  #tables {
    max-width: var(--page-max-width);
    margin: 0 auto;
    padding: 16px 24px 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
  }
  /* Elevated white cards: 18px radius + soft layered shadow, no hard border */
  .card {
    background: var(--paper);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
  }
  .card-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 12px;
    padding: 16px 18px;
  }
  .card-bar .title-input {
    font-size: var(--text-subheading);
    font-weight: 700;
    min-width: 200px;
    flex: 1 1 200px;
    background: transparent;
    border: 1px solid transparent;
    color: var(--ink);
  }
  .card-bar .title-input:hover { border-color: var(--hairline); }
  .card-bar .title-input:focus { border-color: var(--signal-blue); background: var(--paper); }
  .card-bar .group { display: flex; align-items: center; gap: 8px; }
  .card-bar label { color: var(--fog); font-size: var(--text-caption); }
  .card-bar .remove-table { color: var(--fog); }
  .card-bar .remove-table:hover { color: var(--false); border-color: var(--false); background: var(--false-bg); }
  .card-body { padding: 0 18px 18px; overflow: auto; }
  .card-warn {
    margin: 0 18px 12px;
    padding: 8px 12px;
    background: var(--false-bg);
    color: var(--false);
    font-size: 12px;
    border-radius: var(--radius-control);
    display: none;
  }
  .card-warn.show { display: block; }
  .card .empty { padding: 24px 0; }

  .empty {
    color: var(--fog);
    padding: 40px 0;
    text-align: center;
    font-size: var(--text-body);
    line-height: 1.6;
  }

  /* table reorder arrows */
  .reorder { display: inline-flex; flex-direction: column; gap: 2px; margin-right: 2px; }
  .icon-btn {
    padding: 0;
    width: 22px;
    height: 16px;
    font-size: 9px;
    line-height: 1;
    color: var(--fog);
    border: 1px solid var(--hairline);
    background: var(--paper);
    border-radius: var(--radius-icon);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .icon-btn:hover { color: var(--signal-blue); border-color: var(--signal-blue); }
  .icon-btn:disabled { opacity: 0.35; cursor: default; }
  .icon-btn:disabled:hover { color: var(--fog); border-color: var(--hairline); }

  .no-tables { line-height: 1.6; }
  .no-tables strong { color: var(--ink); font-weight: 700; }