/**
 * SIGETIC UI — Data layer: tablas, filtros, paginación (Fase 2C.6-UI.4)
 * Clases opt-in .sg-table* sobre Bootstrap 4.6.2 + legacy.
 * Depende de sigetic-tokens.css
 * NO reemplaza .table, .estilo_tabla, paginador.css ni DataTables.
 */

/* ========================================================================== */
/* Wrapper & scroll control                                                   */
/* ========================================================================== */

.sg-table-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--sg-space-md, 12px);
  width: 100%;
  min-width: 0;
}

.sg-table-responsive,
.sg-table-wrapper > .table-responsive {
  width: 100%;
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--sg-radius-md, 6px);
  border: 1px solid var(--sg-border, #E5E7EB);
  background-color: var(--sg-surface, #fff);
  box-shadow: var(--sg-shadow-subtle, 0 1px 2px rgba(0, 0, 0, 0.06));
}

.sg-table-responsive:focus-within {
  box-shadow: var(--sg-focus-ring, 0 0 0 3px rgba(35, 91, 78, 0.2));
}

/* ========================================================================== */
/* Table base (.sg-table) — coexists with .table                              */
/* ========================================================================== */

.sg-table {
  width: 100%;
  margin-bottom: 0;
  color: var(--sg-text, #1F2937);
  font-size: var(--sg-font-size-sm, 0.875rem);
  line-height: var(--sg-line-height-body, 1.5);
  border-collapse: separate;
  border-spacing: 0;
  background-color: var(--sg-surface, #fff);
}

.sg-table thead th,
.sg-table .sg-table-header th {
  position: sticky;
  top: 0;
  z-index: 1;
  background-color: var(--sg-primary-soft, #E8F3F0);
  color: var(--sg-primary-dark, #1A443A);
  font-weight: var(--sg-font-weight-semibold, 600);
  font-size: var(--sg-font-size-xs, 0.75rem);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: var(--sg-space-md, 12px) var(--sg-space-lg, 16px);
  border-bottom: 2px solid var(--sg-primary, #235B4E);
  border-top: none;
  vertical-align: middle;
  white-space: nowrap;
}

.sg-table tbody td {
  padding: var(--sg-space-md, 12px) var(--sg-space-lg, 16px);
  vertical-align: middle;
  border-color: var(--sg-border, #E5E7EB);
}

.sg-table.table-sm tbody td,
.sg-table.table-sm thead th {
  padding: var(--sg-space-sm, 8px) var(--sg-space-md, 12px);
}

.sg-table tbody tr {
  transition: background-color var(--sg-transition-fast, 150ms ease);
}

.sg-table.table-hover tbody tr:hover,
.sg-table tbody tr:hover {
  background-color: var(--sg-primary-soft, #E8F3F0);
}

.sg-table tbody tr:last-child td {
  border-bottom: none;
}

/* Numeric & date alignment helpers */
.sg-table .sg-col-num,
.sg-table td[data-sg-type="num"],
.sg-table th.sg-col-num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.sg-table .sg-col-date,
.sg-table td[data-sg-type="date"],
.sg-table th.sg-col-date {
  white-space: nowrap;
}

.sg-table .sg-col-actions,
.sg-table td.sg-table-actions,
.sg-table th.sg-col-actions {
  white-space: nowrap;
  width: 1%;
}

/* Long content */
.sg-table .sg-cell-truncate {
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ========================================================================== */
/* Row states (opt-in)                                                        */
/* ========================================================================== */

.sg-table .sg-row-success {
  background-color: rgba(35, 91, 78, 0.06);
}

.sg-table .sg-row-warning,
.sg-table tr.sg-row-warning {
  background-color: rgba(217, 119, 6, 0.08);
}

.sg-table .sg-row-danger {
  background-color: rgba(220, 38, 38, 0.06);
}

.sg-table .sg-row-muted {
  background-color: var(--sg-bg, #F3F4F6);
  color: var(--sg-muted, #6B7280);
}

.sg-table .sg-row-success:hover,
.sg-table .sg-row-warning:hover,
.sg-table .sg-row-danger:hover,
.sg-table .sg-row-muted:hover {
  filter: brightness(0.98);
}

/* Bridge legacy inventario stock bajo */
.sg-table tr.inv-sum-fila-bajo.sg-row-warning,
.sg-table tr.inv-sum-fila-bajo {
  background-color: rgba(217, 119, 6, 0.08);
}

/* ========================================================================== */
/* Toolbar, search, filters                                                   */
/* ========================================================================== */

.sg-table-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--sg-space-md, 12px);
  padding: var(--sg-space-md, 12px) var(--sg-space-lg, 16px);
  background-color: var(--sg-bg, #F3F4F6);
  border: 1px solid var(--sg-border, #E5E7EB);
  border-radius: var(--sg-radius-md, 6px);
}

.sg-table-search {
  flex: 1 1 200px;
  min-width: 0;
}

.sg-table-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--sg-space-md, 12px);
  width: 100%;
}

.sg-table-filters .form-group {
  margin-bottom: 0;
  flex: 1 1 140px;
  min-width: 120px;
}

.sg-table-filter-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sg-space-sm, 8px);
  align-items: flex-end;
  flex: 0 0 auto;
}

.sg-table-actions {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--sg-space-xs, 4px);
  align-items: center;
}

/* Select2 inside filter toolbars */
.sg-table-toolbar .select2-container,
.sg-table-filters .select2-container {
  width: 100% !important;
}

.sg-table-toolbar .select2-container--default .select2-selection--single,
.sg-table-filters .select2-container--default .select2-selection--single {
  min-height: 38px;
  border-color: var(--sg-border-strong, #D1D5DB);
  border-radius: var(--sg-radius-md, 6px);
}

/* ========================================================================== */
/* Empty & loading                                                            */
/* ========================================================================== */

.sg-table-empty td,
.sg-table td.sg-table-empty {
  padding: var(--sg-space-xl, 24px) var(--sg-space-lg, 16px);
  text-align: center;
  color: var(--sg-muted, #6B7280);
  font-size: var(--sg-font-size-sm, 0.875rem);
  background-color: var(--sg-bg, #F3F4F6);
}

.sg-table-loading {
  position: relative;
  min-height: 120px;
  pointer-events: none;
}

.sg-table-loading::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.72);
  border-radius: inherit;
  z-index: 2;
}

.sg-table-loading::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 28px;
  height: 28px;
  margin: -14px 0 0 -14px;
  border: 3px solid var(--sg-border, #E5E7EB);
  border-top-color: var(--sg-primary, #235B4E);
  border-radius: 50%;
  animation: sg-table-spin 0.7s linear infinite;
  z-index: 3;
}

@keyframes sg-table-spin {
  to { transform: rotate(360deg); }
}

/* ========================================================================== */
/* Footer & pagination (opt-in bridge)                                        */
/* ========================================================================== */

.sg-table-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sg-space-md, 12px);
  padding-top: var(--sg-space-sm, 8px);
}

.sg-table-pagination {
  display: flex;
  justify-content: center;
  width: 100%;
  padding: var(--sg-space-sm, 8px) 0;
}

.sg-table-pagination .pagination,
.sg-table-footer .pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sg-space-xs, 4px);
  margin: 0;
}

.sg-table-pagination .pagination .page-item,
.sg-table-footer .pagination .page-item {
  margin: 0;
}

.sg-table-pagination .pagination .page-link,
.sg-table-footer .pagination .page-link {
  color: var(--sg-primary, #235B4E);
  background-color: var(--sg-surface, #fff);
  border: 1px solid var(--sg-border-strong, #D1D5DB);
  padding: var(--sg-space-xs, 4px) var(--sg-space-md, 12px);
  border-radius: var(--sg-radius-sm, 4px);
  font-size: var(--sg-font-size-sm, 0.875rem);
  transition: background-color var(--sg-transition-fast, 150ms ease),
              border-color var(--sg-transition-fast, 150ms ease),
              color var(--sg-transition-fast, 150ms ease);
}

.sg-table-pagination .pagination .page-item.active .page-link,
.sg-table-footer .pagination .page-item.active .page-link {
  color: var(--sg-text-inverse, #fff);
  background-color: var(--sg-primary, #235B4E);
  border-color: var(--sg-primary, #235B4E);
}

.sg-table-pagination .pagination .page-item.disabled .page-link,
.sg-table-footer .pagination .page-item.disabled .page-link {
  color: var(--sg-muted, #6B7280);
  background-color: var(--sg-bg, #F3F4F6);
  border-color: var(--sg-border, #E5E7EB);
}

.sg-table-pagination .pagination .page-link:hover,
.sg-table-pagination .pagination .page-link:focus,
.sg-table-footer .pagination .page-link:hover,
.sg-table-footer .pagination .page-link:focus {
  color: var(--sg-primary-dark, #1A443A);
  background-color: var(--sg-primary-soft, #E8F3F0);
  border-color: var(--sg-primary, #235B4E);
}

/* ========================================================================== */
/* Badges inside tables (visual bridge, legacy classes preserved)             */
/* ========================================================================== */

.sg-table .badge {
  font-size: var(--sg-font-size-xs, 0.75rem);
  font-weight: var(--sg-font-weight-medium, 500);
  padding: 0.35em 0.6em;
  border-radius: var(--sg-radius-sm, 4px);
}

.sg-table .badge-prestamo {
  letter-spacing: 0.03em;
}

.sg-table .inv-sum-badge-bajo,
.sg-table .badge-warning {
  background-color: var(--sg-warning, #D97706);
  color: var(--sg-text-inverse, #fff);
}

.sg-table .inv-sum-badge-ok,
.sg-table .badge-success {
  background-color: var(--sg-success, #235B4E);
  color: var(--sg-text-inverse, #fff);
}

/* ========================================================================== */
/* Card header integration                                                    */
/* ========================================================================== */

.card-header .sg-table-toolbar {
  margin-top: var(--sg-space-sm, 8px);
  border: none;
  padding-left: 0;
  padding-right: 0;
  background: transparent;
}

/* ========================================================================== */
/* Responsive                                                                 */
/* ========================================================================== */

@media (max-width: 991px) {
  .sg-table-responsive,
  .sg-table-wrapper > .table-responsive {
    border-left: none;
    border-right: none;
    border-radius: 0;
  }

  .sg-table thead th {
    position: static;
  }

  .sg-table-filters .form-group {
    flex: 1 1 100%;
  }

  .sg-table-filter-actions {
    width: 100%;
  }

  .sg-table-filter-actions .btn {
    flex: 1 1 auto;
  }

  .sg-table .sg-cell-truncate {
    max-width: 160px;
  }
}

@media (max-width: 540px) {
  .sg-table {
    font-size: var(--sg-font-size-xs, 0.75rem);
  }

  .sg-table thead th {
    font-size: 0.6875rem;
    padding: var(--sg-space-sm, 8px);
  }

  .sg-table tbody td {
    padding: var(--sg-space-sm, 8px);
  }

  .sg-table .sg-table-actions .btn {
    padding: 0.2rem 0.45rem;
    font-size: 0.6875rem;
  }

  .sg-table-pagination .pagination .page-link,
  .sg-table-footer .pagination .page-link {
    padding: var(--sg-space-xs, 4px) var(--sg-space-sm, 8px);
    font-size: var(--sg-font-size-xs, 0.75rem);
  }

  .sg-table-toolbar {
    padding: var(--sg-space-sm, 8px);
  }
}