/* ============================================
   Tadawi Healthcare ERP - Lab Module CSS
   ============================================ */

/* -------------------------------------------
   CSS Custom Properties
   ------------------------------------------- */
:root {
  --card-bg: #fff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-secondary: #94a3b8;
  --bg-secondary: #f1f5f9;
  --primary: #28B8D6;
  --hover-bg: rgba(99, 102, 241, 0.04);
}

/* -------------------------------------------
   Layout
   ------------------------------------------- */
.lab-container {
  padding: 0;
}

.lab-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.lab-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lab-header-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* -------------------------------------------
   Stats Cards
   ------------------------------------------- */
.lab-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.lab-stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all 0.2s ease;
}

.lab-stat-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.lab-stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
}

.lab-stat-info {
  flex: 1;
}

.lab-stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.lab-stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* -------------------------------------------
   Filter Bar
   ------------------------------------------- */
.lab-filter-bar {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1rem;
}

.lab-filter-bar input,
.lab-filter-bar select {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-size: 0.85rem;
  background: var(--card-bg);
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.lab-filter-bar input:focus,
.lab-filter-bar select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.lab-filter-bar input::placeholder {
  color: var(--text-secondary);
}

/* -------------------------------------------
   Table
   ------------------------------------------- */
.lab-table-wrap {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.lab-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
}

.lab-table th {
  padding: 0.75rem 1rem;
  text-align: right;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  white-space: nowrap;
}

.lab-table td {
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border);
}

.lab-table tr:hover td {
  background: var(--hover-bg);
}

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

/* -------------------------------------------
   Cards Grid (Test Cards)
   ------------------------------------------- */
.lab-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.lab-test-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.25rem;
  transition: all 0.2s ease;
  cursor: pointer;
}

.lab-test-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.lab-test-card h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.lab-test-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.lab-test-meta span {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

/* -------------------------------------------
   Order Detail
   ------------------------------------------- */
.lab-order-detail {
  max-width: 900px;
  margin: 0 auto;
}

.lab-order-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.lab-order-section {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.lab-order-section h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lab-order-section h3 i {
  color: var(--primary);
}

/* -------------------------------------------
   Sample Card (Barcode/QR)
   ------------------------------------------- */
.lab-sample-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.25rem;
  text-align: center;
  transition: all 0.2s ease;
}

.lab-sample-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.lab-sample-card .lab-barcode {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: 0.5rem;
  margin-bottom: 0.75rem;
  min-height: 80px;
  font-family: monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1rem;
}

.lab-sample-card .lab-qr {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 120px;
  height: 120px;
  margin: 0 auto 0.75rem;
  background: var(--bg-secondary);
  border-radius: 0.5rem;
  padding: 0.5rem;
}

.lab-sample-card .lab-sample-id {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.lab-sample-card .lab-sample-type {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* -------------------------------------------
   Result Entry Form
   ------------------------------------------- */
.lab-result-entry {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.lab-result-entry h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lab-result-entry h3 i {
  color: var(--primary);
}

.lab-result-row {
  display: grid;
  grid-template-columns: 1fr 120px 1fr 100px;
  gap: 0.75rem;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.lab-result-row:last-child {
  border-bottom: none;
}

.lab-result-row .lab-result-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.lab-result-row input {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-size: 0.85rem;
  background: var(--card-bg);
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.lab-result-row input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.lab-result-row .lab-ref-range {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-align: center;
}

.lab-result-row .lab-abnormal-flag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
}

.lab-result-row .lab-abnormal-flag.lab-high {
  background: #ef444415;
  color: #ef4444;
}

.lab-result-row .lab-abnormal-flag.lab-low {
  background: #3b82f615;
  color: #3b82f6;
}

.lab-result-row .lab-abnormal-flag.lab-normal {
  background: #22c55e15;
  color: #22c55e;
}

/* -------------------------------------------
   Critical Alert
   ------------------------------------------- */
.lab-critical-alert {
  background: #fef2f2;
  border: 2px solid #ef4444;
  border-radius: 0.75rem;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.lab-critical-alert .lab-critical-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #ef4444;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.lab-critical-alert .lab-critical-content {
  flex: 1;
}

.lab-critical-alert .lab-critical-title {
  font-size: 1rem;
  font-weight: 700;
  color: #ef4444;
  margin-bottom: 0.25rem;
}

.lab-critical-alert .lab-critical-message {
  font-size: 0.85rem;
  color: #991b1b;
}

/* -------------------------------------------
   Timeline (Order Status)
   ------------------------------------------- */
.lab-timeline {
  position: relative;
  padding-right: 1.5rem;
}

.lab-timeline::before {
  content: '';
  position: absolute;
  right: 0.5rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.lab-timeline-item {
  position: relative;
  padding: 0.75rem 0 0.75rem 1.5rem;
}

.lab-timeline-item::before {
  content: '';
  position: absolute;
  right: -1.1rem;
  top: 1rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--card-bg);
}

.lab-timeline-item.lab-timeline-completed::before {
  background: #22c55e;
}

.lab-timeline-item.lab-timeline-active::before {
  background: var(--primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.lab-timeline-item .lab-timeline-date {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.lab-timeline-item .lab-timeline-action {
  font-size: 0.85rem;
  font-weight: 600;
  margin: 0.25rem 0;
}

.lab-timeline-item .lab-timeline-notes {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* -------------------------------------------
   Modals
   ------------------------------------------- */
.lab-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.lab-modal {
  background: var(--card-bg);
  border-radius: 0.75rem;
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 1.5rem;
}

.lab-modal h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lab-modal-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.lab-modal-close:hover {
  color: var(--text);
}

/* -------------------------------------------
   Form
   ------------------------------------------- */
.lab-form-group {
  margin-bottom: 1rem;
}

.lab-form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-secondary);
}

.lab-form-group input,
.lab-form-group select,
.lab-form-group textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-size: 0.85rem;
  background: var(--card-bg);
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.lab-form-group input:focus,
.lab-form-group select:focus,
.lab-form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.lab-form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.lab-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.lab-form-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  margin-top: 1.5rem;
}

/* -------------------------------------------
   Buttons
   ------------------------------------------- */
.lab-btn {
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.lab-btn-primary {
  background: var(--primary);
  color: #fff;
}

.lab-btn-primary:hover {
  opacity: 0.9;
}

.lab-btn-success {
  background: #22c55e;
  color: #fff;
}

.lab-btn-success:hover {
  opacity: 0.9;
}

.lab-btn-danger {
  background: #ef4444;
  color: #fff;
}

.lab-btn-danger:hover {
  opacity: 0.9;
}

.lab-btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.lab-btn-outline:hover {
  background: var(--bg-secondary);
}

.lab-btn-sm {
  padding: 0.3rem 0.6rem;
  font-size: 0.75rem;
}

/* -------------------------------------------
   Badges
   ------------------------------------------- */
.lab-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
}

.lab-badge-draft {
  background: #94a3b815;
  color: #94a3b8;
}

.lab-badge-pending {
  background: #f59e0b15;
  color: #f59e0b;
}

.lab-badge-collected {
  background: #3b82f615;
  color: #3b82f6;
}

.lab-badge-processing {
  background: #8b5cf615;
  color: #8b5cf6;
}

.lab-badge-validated {
  background: #06b6d415;
  color: #06b6d4;
}

.lab-badge-completed {
  background: #22c55e15;
  color: #22c55e;
}

.lab-badge-cancelled {
  background: #ef444415;
  color: #ef4444;
}

.lab-badge-critical {
  background: #ef4444;
  color: #fff;
}

/* -------------------------------------------
   Tabs
   ------------------------------------------- */
.lab-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.lab-tab {
  padding: 0.75rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}

.lab-tab:hover {
  color: var(--primary);
}

.lab-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.lab-tab-content {
  display: none;
}

.lab-tab-content.active {
  display: block;
}

/* -------------------------------------------
   Empty State
   ------------------------------------------- */
.lab-empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-secondary);
}

.lab-empty-state i {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
  opacity: 0.5;
}

.lab-empty-state h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.lab-empty-state p {
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

/* -------------------------------------------
   Pagination
   ------------------------------------------- */
.lab-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  margin-top: 1.5rem;
}

.lab-pagination-btn {
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  background: var(--card-bg);
  cursor: pointer;
  transition: all 0.2s ease;
}

.lab-pagination-btn:hover {
  background: var(--bg-secondary);
}

.lab-pagination-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.lab-pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* -------------------------------------------
   Loading Spinner
   ------------------------------------------- */
.lab-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: lab-spin 0.8s linear infinite;
  margin: 2rem auto;
}

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

/* -------------------------------------------
   Toast / Notification
   ------------------------------------------- */
.lab-toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  z-index: 2000;
  animation: lab-toast-in 0.3s ease;
}

.lab-toast-success {
  background: #22c55e;
}

.lab-toast-error {
  background: #ef4444;
}

.lab-toast-info {
  background: #3b82f6;
}

@keyframes lab-toast-in {
  from { opacity: 0; transform: translateX(-50%) translateY(1rem); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* -------------------------------------------
   Dark Mode
   ------------------------------------------- */
[data-theme="dark"] .lab-stat-card,
[data-theme="dark"] .lab-test-card,
[data-theme="dark"] .lab-order-detail,
[data-theme="dark"] .lab-order-header,
[data-theme="dark"] .lab-order-section,
[data-theme="dark"] .lab-sample-card,
[data-theme="dark"] .lab-result-entry,
[data-theme="dark"] .lab-table-wrap,
[data-theme="dark"] .lab-modal,
[data-theme="dark"] .lab-critical-alert {
  background: var(--tdl-card);
  border-color: var(--tdl-border);
}

[data-theme="dark"] .lab-table th {
  background: var(--tdl-surface);
}

[data-theme="dark"] .lab-filter-bar {
  background: var(--tdl-card);
  border-color: var(--tdl-border);
}

[data-theme="dark"] .lab-filter-bar input,
[data-theme="dark"] .lab-filter-bar select,
[data-theme="dark"] .lab-form-group input,
[data-theme="dark"] .lab-form-group select,
[data-theme="dark"] .lab-form-group textarea,
[data-theme="dark"] .lab-result-row input {
  background: var(--tdl-card);
  border-color: var(--tdl-border);
  color: var(--tdl-text-primary);
}

[data-theme="dark"] .lab-sample-card .lab-barcode {
  background: var(--tdl-card);
}

[data-theme="dark"] .lab-sample-card .lab-qr {
  background: var(--tdl-card);
}

[data-theme="dark"] .lab-critical-alert {
  background: rgba(220, 38, 38, 0.15);
  border-color: var(--tdl-danger);
}

[data-theme="dark"] .lab-critical-alert .lab-critical-message {
  color: #fca5a5;
}

[data-theme="dark"] .lab-timeline::before {
  background: var(--tdl-border);
}

[data-theme="dark"] .lab-timeline-item::before {
  border-color: var(--tdl-card);
}

[data-theme="dark"] .lab-pagination-btn {
  background: var(--tdl-card);
  border-color: var(--tdl-border);
  color: var(--tdl-text-primary);
}

[data-theme="dark"] .lab-pagination-btn:hover {
  background: var(--tdl-hover);
}

[data-theme="dark"] .lab-tab {
  color: var(--tdl-text-tertiary);
}

[data-theme="dark"] .lab-tab.active {
  color: var(--tdl-primary);
  border-bottom-color: var(--tdl-primary);
}

[data-theme="dark"] .lab-tab:hover {
  color: var(--tdl-primary);
}

[data-theme="dark"] .lab-btn-outline {
  border-color: var(--tdl-border);
  color: var(--tdl-text-primary);
}

[data-theme="dark"] .lab-btn-outline:hover {
  background: var(--tdl-hover);
}

[data-theme="dark"] .lab-empty-state h4 {
  color: var(--tdl-text-primary);
}

/* -------------------------------------------
   RTL Support
   ------------------------------------------- */
[dir="rtl"] .lab-header {
  flex-direction: row-reverse;
}

[dir="rtl"] .lab-header-actions {
  flex-direction: row-reverse;
}

[dir="rtl"] .lab-filter-bar {
  flex-direction: row-reverse;
}

[dir="rtl"] .lab-table th {
  text-align: left;
}

[dir="rtl"] .lab-order-header {
  flex-direction: row-reverse;
}

[dir="rtl"] .lab-form-actions {
  flex-direction: row-reverse;
}

[dir="rtl"] .lab-pagination {
  flex-direction: row-reverse;
}

[dir="rtl"] .lab-timeline {
  padding-right: 0;
  padding-left: 1.5rem;
}

[dir="rtl"] .lab-timeline::before {
  right: auto;
  left: 0.5rem;
}

[dir="rtl"] .lab-timeline-item {
  padding: 0.75rem 1.5rem 0.75rem 0;
}

[dir="rtl"] .lab-timeline-item::before {
  right: auto;
  left: -1.1rem;
}

[dir="rtl"] .lab-modal h3 {
  flex-direction: row-reverse;
}

[dir="rtl"] .lab-toast {
  left: auto;
  right: 50%;
  transform: translateX(50%);
}

[dir="rtl"] .lab-toast {
  animation: lab-toast-in-rtl 0.3s ease;
}

@keyframes lab-toast-in-rtl {
  from { opacity: 0; transform: translateX(50%) translateY(1rem); }
  to { opacity: 1; transform: translateX(50%) translateY(0); }
}

[dir="rtl"] .lab-result-row {
  grid-template-columns: 1fr 100px 1fr 120px;
}

[dir="rtl"] .lab-critical-alert {
  flex-direction: row-reverse;
}