/* =====================================================
   REENGAGEMENT ROOM - DATA TABLES & LISTS
   Phase 6 CSS Extraction
   Created: December 9, 2025
   Purpose: Data tables, master lists, sorting, pagination, history items
   ===================================================== */

/* ===== DATA TABLE CONTAINER ===== */

.data-table-container {
  background: var(--card);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
}

.data-table-header {
  background: var(--nav-bg);
  color: white;
  padding: var(--spacing-lg);
  font-weight: 600;
  font-size: 1.125rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.data-table-controls {
  padding: var(--spacing-lg);
  background: var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
}

.data-table-search {
  max-width: 300px;
  flex: 1;
  margin-right: var(--spacing-lg);
}

.data-table-count {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
}

.data-table-wrapper {
  overflow-x: auto;
  max-height: 500px;
  overflow-y: auto;
}

/* ===== DATA TABLE ===== */

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table th {
  background: var(--nav-bg);
  color: white;
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 10;
}

.data-table th.sortable {
  cursor: pointer;
  user-select: none;
  transition: background 0.15s ease;
}

.data-table th.sortable:hover {
  background: #004a73;
}

.sort-indicator {
  margin-left: var(--spacing-xs);
  opacity: 0.5;
}

.data-table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.data-table tr:hover {
  background: var(--border-light);
}

.data-table-pagination {
  padding: var(--spacing-lg);
  background: var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
}

.pagination-info {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
}

/* ===== MASTER LIST TABLE ===== */

.master-list-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  background: var(--card);
}

.master-list-table th {
  background: var(--nav-bg);
  color: white;
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 10;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s ease;
  white-space: nowrap;
}

.master-list-table th:hover {
  background: #004a73;
}

.master-list-table th.sorted-asc,
.master-list-table th.sorted-desc {
  background: #004a73;
}

.master-list-table th.sorted-asc::after {
  content: ' ↑';
  color: #bee3f8;
  font-weight: bold;
}

.master-list-table th.sorted-desc::after {
  content: ' ↓';
  color: #bee3f8;
  font-weight: bold;
}

.master-list-table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  font-size: 0.85rem;
}

.master-list-table tr:hover {
  background: var(--border-light);
}

.master-list-table tr:nth-child(even) {
  background: #fafafa;
}

.master-list-table tr:nth-child(even):hover {
  background: var(--border-light);
}

/* ===== MASTER CONTROLS ===== */

.master-controls {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr auto;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  align-items: end;
}

.master-count {
  background: var(--info);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-block;
}

/* ===== HISTORY ITEMS ===== */

.history-item {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
  cursor: pointer;
}

.history-item:hover {
  background: var(--border-light);
  transform: translateX(4px);
}

.history-item:last-child {
  border-bottom: none;
}

.history-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-xs);
}

.history-type {
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--spacing-xs);
}

.history-teacher {
  font-size: 0.875rem;
  color: var(--text-light);
}

.history-notes {
  font-size: 0.875rem;
  color: var(--text);
  margin-top: var(--spacing-xs);
  padding: var(--spacing-sm);
  background: var(--border-light);
  border-radius: 4px;
}

/* ===== LIST CONTAINERS ===== */

.history {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  overflow: hidden;
  max-height: 500px;
  overflow-y: auto;
}

.history h3 {
  background: var(--accent);
  color: white;
  padding: var(--spacing-md);
  margin: 0;
  font-size: 1rem;
  position: sticky;
  top: 0;
  z-index: 5;
}

.empty-state {
  padding: var(--spacing-2xl);
  text-align: center;
  color: var(--text-muted);
  font-style: italic;
}

/* ===== TABLE ACTIONS ===== */

.action-btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.action-btn:hover {
  background: var(--border-light);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.action-btn-danger {
  color: var(--danger);
  border-color: var(--danger);
}

.action-btn-danger:hover {
  background: rgba(220, 38, 38, 0.1);
  color: var(--danger);
}

.action-btn-primary {
  color: var(--primary);
  border-color: var(--primary);
}

.action-btn-primary:hover {
  background: rgba(0, 102, 204, 0.1);
  color: var(--primary);
}

/* ===== BADGES & STATUS ===== */

.status-badge {
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-active {
  background: rgba(5, 150, 105, 0.1);
  color: var(--success);
}

.status-pending {
  background: rgba(217, 119, 6, 0.1);
  color: var(--warning);
}

.status-resolved {
  background: rgba(2, 132, 199, 0.1);
  color: var(--info);
}

.status-archived {
  background: rgba(100, 116, 139, 0.1);
  color: var(--text-muted);
}

/* ===== RESPONSIVE ADJUSTMENTS ===== */

@media (max-width: 768px) {
  .data-table-controls {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-md);
  }

  .data-table-search {
    max-width: 100%;
    margin-right: 0;
  }

  .master-controls {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .data-table-wrapper,
  .history {
    max-height: 400px;
  }

  .master-list-table th,
  .master-list-table td,
  .data-table th,
  .data-table td {
    padding: var(--spacing-sm);
    font-size: 0.8125rem;
  }

  .action-btn {
    font-size: 0.6875rem;
    padding: 4px 8px;
  }
}

@media (max-width: 480px) {
  .data-table-wrapper {
    overflow-x: scroll;
    -webkit-overflow-scrolling: touch;
  }

  .master-list-table,
  .data-table {
    min-width: 600px;
  }

  .history-item {
    padding: var(--spacing-sm);
  }

  .status-badge {
    font-size: 0.625rem;
    padding: 2px 6px;
  }
}

/* ===== SCROLLBAR STYLING ===== */

.data-table-wrapper::-webkit-scrollbar,
.history::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.data-table-wrapper::-webkit-scrollbar-track,
.history::-webkit-scrollbar-track {
  background: var(--border-light);
}

.data-table-wrapper::-webkit-scrollbar-thumb,
.history::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

.data-table-wrapper::-webkit-scrollbar-thumb:hover,
.history::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ===== LOADING STATES ===== */

.table-loading {
  padding: var(--spacing-2xl);
  text-align: center;
  color: var(--text-muted);
}

.table-loading::after {
  content: '';
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-left: var(--spacing-sm);
}

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