/**
 * Table Component System
 * Variants: default, compact, bordered, striped
 * Features: sortable, responsive, hover
 *
 * @author Amit Haridas, ConcreteInfo
 */

/* ============================================
   TABLE CONTAINER
   ============================================ */
.table-container {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

/* ============================================
   BASE TABLE
   ============================================ */
.table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--bg-elevated);
}

/* ============================================
   TABLE HEADER
   ============================================ */
.table thead {
  background-color: var(--bg-tertiary);
}

.table th {
  padding: var(--spacing-3-5) var(--spacing-4);
  text-align: left;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  border-bottom: 1px solid var(--border-default);
  white-space: nowrap;
}

.table th.sortable {
  cursor: pointer;
  user-select: none;
  transition: background-color var(--transition-fast);
}

.table th.sortable:hover {
  background-color: var(--bg-primary);
}

.table th.sortable::after {
  content: '';
  display: inline-block;
  margin-left: var(--spacing-2);
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid var(--text-tertiary);
  opacity: 0.4;
  transition: opacity var(--transition-fast);
}

.table th.sortable:hover::after {
  opacity: 0.7;
}

.table th.sortable.asc::after,
.table th.sortable.desc::after {
  opacity: 1;
  border-top-color: var(--color-primary);
}

.table th.sortable.asc::after {
  transform: rotate(180deg);
}

/* ============================================
   TABLE BODY
   ============================================ */
.table tbody tr {
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-fast);
}

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

.table tbody tr:hover {
  background-color: var(--color-brand-50);
}

.table td {
  padding: var(--spacing-4);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  vertical-align: middle;
}

/* First and last cell padding */
.table td:first-child,
.table th:first-child {
  padding-left: var(--spacing-6);
}

.table td:last-child,
.table th:last-child {
  padding-right: var(--spacing-6);
}

/* ============================================
   TABLE VARIANTS
   ============================================ */

/* Compact */
.table--compact td,
.table--compact th {
  padding: var(--spacing-2-5) var(--spacing-4);
}

.table--compact td:first-child,
.table--compact th:first-child {
  padding-left: var(--spacing-4);
}

.table--compact td:last-child,
.table--compact th:last-child {
  padding-right: var(--spacing-4);
}

/* Bordered */
.table--bordered {
  border: 1px solid var(--border-default);
}

.table--bordered th,
.table--bordered td {
  border-right: 1px solid var(--border-subtle);
}

.table--bordered th:last-child,
.table--bordered td:last-child {
  border-right: none;
}

/* Striped */
.table--striped tbody tr:nth-child(even) {
  background-color: var(--bg-primary);
}

/* ============================================
   TABLE ACTIONS
   ============================================ */
.table__actions {
  display: flex;
  gap: var(--spacing-1);
  justify-content: flex-end;
}

.table__action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-md);
  color: var(--text-tertiary);
  transition: all var(--transition-fast);
}

.table__action:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.table__action--primary:hover {
  background-color: var(--color-brand-100);
  color: var(--color-brand);
}

.table__action--danger:hover {
  background-color: var(--color-danger-light);
  color: var(--color-danger);
}

/* ============================================
   TABLE STATUS BADGES
   ============================================ */
.table .badge {
  font-size: var(--font-size-xs);
  padding: var(--spacing-1) var(--spacing-2-5);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-medium);
}

/* ============================================
   RESPONSIVE TABLE
   IMPORTANT: .table--responsive uses data-label attributes on each <td>
   to show column headers in the mobile card view. Without these attributes
   the mobile layout shows values with no labels.
   Example: <td data-label="Grade">M30</td>
   ============================================ */
@media (max-width: 768px) {
  .table--responsive {
    display: block;
  }

  .table--responsive thead {
    display: none;
  }

  .table--responsive tbody,
  .table--responsive tr {
    display: block;
    width: 100%;
  }

  .table--responsive tr {
    margin-bottom: var(--spacing-4);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4);
    background-color: var(--bg-elevated);
  }

  .table--responsive td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-2) 0;
    border-bottom: 1px solid var(--border-subtle);
    text-align: right;
  }

  .table--responsive td:last-child {
    border-bottom: none;
  }

  .table--responsive td::before {
    content: attr(data-label);
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
  }
}

/* ============================================
   TABLE EMPTY STATE
   ============================================ */
.table__empty {
  padding: var(--spacing-12) var(--spacing-6);
  text-align: center;
}

.table__empty-icon {
  width: 5rem;
  height: 5rem;
  margin: 0 auto var(--spacing-4);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-2xl);
  color: var(--text-tertiary);
}

.table__empty-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.table__empty-text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-4);
}

/* ============================================
   TABLE PAGINATION
   ============================================ */
.table-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) var(--spacing-6);
  border-top: 1px solid var(--border-subtle);
  background-color: var(--bg-elevated);
}

.table-pagination__info {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.table-pagination__nav {
  display: flex;
  gap: var(--spacing-2);
}

.table-pagination__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 2.25rem;
  padding: 0 var(--spacing-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.table-pagination__btn:hover:not(:disabled) {
  background-color: var(--bg-tertiary);
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.table-pagination__btn--active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--text-inverse);
}

.table-pagination__btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================
   BOOTSTRAP-COMPATIBLE TABLE ALIASES
   Allow Bootstrap table-* class names to use
   the same styling as our custom table--* classes
   ============================================ */
.table-sm td,
.table-sm th {
  padding: var(--spacing-2-5) var(--spacing-4);
}
.table-sm td:first-child,
.table-sm th:first-child { padding-left: var(--spacing-4); }
.table-sm td:last-child,
.table-sm th:last-child { padding-right: var(--spacing-4); }

.table-bordered {
  border: 1px solid var(--border-default);
}
.table-bordered th,
.table-bordered td {
  border: 1px solid var(--border-subtle);
}

.table-striped tbody tr:nth-child(even) {
  background-color: var(--bg-primary);
}

.table-hover tbody tr:hover {
  background-color: var(--color-brand-50);
}