/**
 * Everroux editable engineering table — Phase 3.
 * Dense grid editing for loads, supports, combinations, etc.
 */

.er-eng-table {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  font-size: var(--er-type-table);
}

.er-eng-table__toolbar {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.er-eng-table__scroll {
  overflow: auto;
  border: 1px solid var(--ui-border-panel, var(--border, #c5ccc6));
  border-radius: var(--er-radius-dense, 3px);
  max-height: min(40vh, 280px);
}

.er-eng-table__grid {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.er-eng-table__grid th,
.er-eng-table__grid td {
  padding: 0;
  border-bottom: 1px solid var(--ui-divider, var(--border, #c5ccc6));
  border-right: 1px solid var(--ui-divider, var(--border, #c5ccc6));
  vertical-align: middle;
}

.er-eng-table__grid th:last-child,
.er-eng-table__grid td:last-child {
  border-right: none;
}

.er-eng-table__grid thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: var(--er-table-cell-y, 0.15rem) var(--er-table-cell-x, 0.35rem);
  background: var(--accent-soft, #e6ede8);
  color: var(--blue, #1f4e79);
  font-weight: var(--er-weight-semibold, 600);
  font-size: var(--er-type-label);
  text-align: left;
  white-space: nowrap;
}

.app--dark .er-eng-table__grid thead th {
  background: var(--accent-soft, #3d4549);
}

.er-eng-table__grid th.er-num,
.er-eng-table__grid td.er-num {
  text-align: right;
}

.er-eng-table__grid th.er-eng-table__col-actions,
.er-eng-table__grid td.er-eng-table__col-actions {
  width: 1.75rem;
  text-align: center;
}

.er-eng-table__cell {
  box-sizing: border-box;
  width: 100%;
  height: var(--er-input-height);
  min-height: var(--er-input-height);
  margin: 0;
  padding: 0 0.3rem;
  border: none;
  border-radius: 0;
  background: transparent;
  font: inherit;
  font-size: var(--er-type-table);
  color: var(--text, #1a2e34);
  font-variant-numeric: tabular-nums;
}

.er-eng-table__cell:focus {
  outline: 2px solid var(--copper, #d97706);
  outline-offset: -2px;
  background: var(--surface, #fff);
  position: relative;
  z-index: 1;
}

.er-eng-table__cell--num {
  text-align: right;
}

.er-eng-table__cell[aria-invalid="true"] {
  outline: 2px solid #b91c1c;
  outline-offset: -2px;
}

.er-eng-table__row--selected td {
  background: rgb(31 78 121 / 0.08);
}

.er-eng-table__del {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: var(--er-input-height);
  margin: 0;
  padding: 0;
  border: none;
  background: none;
  color: var(--muted, #4f5b66);
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
}

.er-eng-table__del:hover {
  color: #b91c1c;
}

.er-eng-table__empty {
  margin: 0;
  padding: 0.35rem;
  color: var(--muted, #4f5b66);
  font-size: var(--er-type-fine);
}