/*
 * Adtlas DAI Management System - UI Components
 * 
 * This file contains specialized UI components and advanced styling
 * for the Adtlas enterprise application interface.
 */

/* ============================================================================
   DASHBOARD COMPONENTS
   ============================================================================ */

/* Statistics Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-6);
  margin-bottom: var(--spacing-8);
}

.stat-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-all);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--gray-200);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-gradient);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stat-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-4);
}

.stat-card-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: white;
  background: var(--primary-gradient);
  box-shadow: var(--shadow-md);
}

.stat-card-icon.success {
  background: linear-gradient(135deg, var(--success-color), #059669);
}

.stat-card-icon.warning {
  background: linear-gradient(135deg, var(--warning-color), #d97706);
}

.stat-card-icon.danger {
  background: linear-gradient(135deg, var(--danger-color), #dc2626);
}

.stat-card-icon.info {
  background: linear-gradient(135deg, var(--info-color), #1d4ed8);
}

.stat-card-value {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--gray-900);
  margin: 0;
  line-height: 1;
}

.stat-card-label {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  margin: var(--spacing-1) 0 0 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.stat-card-change {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-top: var(--spacing-3);
}

.stat-card-change.positive {
  color: var(--success-color);
}

.stat-card-change.negative {
  color: var(--danger-color);
}

.stat-card-change.neutral {
  color: var(--gray-500);
}

/* Chart Container */
.chart-container {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  margin-bottom: var(--spacing-6);
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-6);
  padding-bottom: var(--spacing-4);
  border-bottom: 1px solid var(--gray-200);
}

.chart-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--gray-900);
  margin: 0;
}

.chart-subtitle {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  margin: var(--spacing-1) 0 0 0;
}

.chart-controls {
  display: flex;
  gap: var(--spacing-2);
}

/* ============================================================================
   DATA TABLES
   ============================================================================ */

.data-table-container {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  overflow: hidden;
}

.data-table-header {
  padding: var(--spacing-6);
  border-bottom: 1px solid var(--gray-200);
  background: var(--gray-50);
}

.data-table-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--gray-900);
  margin: 0 0 var(--spacing-2) 0;
}

.data-table-subtitle {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  margin: 0;
}

.data-table-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-top: var(--spacing-4);
}

.data-table-search {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.data-table-search input {
  width: 100%;
  padding: var(--spacing-2) var(--spacing-3) var(--spacing-2) var(--spacing-10);
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
}

.data-table-search .search-icon {
  position: absolute;
  left: var(--spacing-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
}

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

.filter-dropdown {
  position: relative;
}

.filter-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-3);
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-button:hover {
  background: var(--gray-50);
  border-color: var(--gray-400);
}

.filter-button.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* Enhanced Table Styles */
.enhanced-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.enhanced-table th {
  background: var(--gray-50);
  padding: var(--spacing-4);
  text-align: left;
  font-weight: 600;
  color: var(--gray-700);
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 10;
}

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

.enhanced-table th.sortable:hover {
  background: var(--gray-100);
}

.enhanced-table th.sortable::after {
  content: '\2195';
  margin-left: var(--spacing-2);
  opacity: 0.3;
}

.enhanced-table th.sortable.asc::after {
  content: '\2191';
  opacity: 1;
}

.enhanced-table th.sortable.desc::after {
  content: '\2193';
  opacity: 1;
}

.enhanced-table td {
  padding: var(--spacing-4);
  border-bottom: 1px solid var(--gray-200);
  vertical-align: middle;
  transition: var(--transition-fast);
}

.enhanced-table tbody tr:hover {
  background: var(--gray-50);
}

.enhanced-table tbody tr.selected {
  background: rgba(102, 126, 234, 0.1);
}

/* Table Status Badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: 9999px;
  font-size: var(--font-size-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-badge.active {
  background: var(--success-light);
  color: var(--success-dark);
}

.status-badge.inactive {
  background: var(--gray-200);
  color: var(--gray-700);
}

.status-badge.pending {
  background: var(--warning-light);
  color: var(--warning-dark);
}

.status-badge.error {
  background: var(--danger-light);
  color: var(--danger-dark);
}

/* ============================================================================
   FORMS & INPUTS
   ============================================================================ */

.form-section {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  margin-bottom: var(--spacing-6);
}

.form-section-header {
  margin-bottom: var(--spacing-6);
  padding-bottom: var(--spacing-4);
  border-bottom: 1px solid var(--gray-200);
}

.form-section-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--gray-900);
  margin: 0 0 var(--spacing-2) 0;
}

.form-section-subtitle {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  margin: 0;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-4);
}

.form-group-inline {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.form-group-inline .form-label {
  margin-bottom: 0;
  min-width: 120px;
}

/* Enhanced Input Styles */
.input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.input-group .form-control {
  border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.input-group-text {
  display: flex;
  align-items: center;
  padding: var(--spacing-3);
  background: var(--gray-100);
  border: 1px solid var(--gray-300);
  border-left: 0;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  color: var(--gray-600);
  font-size: var(--font-size-sm);
}

.input-icon {
  position: relative;
}

.input-icon .form-control {
  padding-left: var(--spacing-10);
}

.input-icon .icon {
  position: absolute;
  left: var(--spacing-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
}

/* File Upload */
.file-upload {
  position: relative;
  display: inline-block;
  cursor: pointer;
  width: 100%;
}

.file-upload input[type="file"] {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.file-upload-area {
  border: 2px dashed var(--gray-300);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-8);
  text-align: center;
  transition: var(--transition-fast);
  background: var(--gray-50);
}

.file-upload-area:hover,
.file-upload-area.dragover {
  border-color: var(--primary-color);
  background: rgba(102, 126, 234, 0.05);
}

.file-upload-icon {
  font-size: var(--font-size-3xl);
  color: var(--gray-400);
  margin-bottom: var(--spacing-3);
}

.file-upload-text {
  color: var(--gray-600);
  font-size: var(--font-size-sm);
}

.file-upload-text strong {
  color: var(--primary-color);
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--gray-300);
  transition: var(--transition-fast);
  border-radius: 24px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: var(--transition-fast);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
}

input:checked + .toggle-slider {
  background-color: var(--primary-color);
}

input:checked + .toggle-slider:before {
  transform: translateX(26px);
}

/* ============================================================================
   NAVIGATION & MENUS
   ============================================================================ */

/* Breadcrumb Enhancement */
.breadcrumb-enhanced {
  background: var(--white);
  padding: var(--spacing-4) var(--spacing-6);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  margin-bottom: var(--spacing-6);
}

.breadcrumb-enhanced .breadcrumb {
  margin: 0;
}

/* Tab Navigation */
.nav-tabs-enhanced {
  border-bottom: 2px solid var(--gray-200);
  margin-bottom: var(--spacing-6);
  display: flex;
  gap: var(--spacing-1);
}

.nav-tab {
  padding: var(--spacing-3) var(--spacing-6);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--gray-600);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  position: relative;
}

.nav-tab:hover {
  color: var(--gray-900);
  background: var(--gray-50);
}

.nav-tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
  background: var(--white);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

/* ============================================================================
   MODALS & OVERLAYS
   ============================================================================ */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow: hidden;
  transform: scale(0.9);
  transition: var(--transition-base);
}

.modal-overlay.show .modal-dialog {
  transform: scale(1);
}

.modal-header {
  padding: var(--spacing-6);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--gray-900);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  color: var(--gray-400);
  cursor: pointer;
  padding: var(--spacing-2);
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
}

.modal-close:hover {
  color: var(--gray-600);
  background: var(--gray-100);
}

.modal-body {
  padding: var(--spacing-6);
  max-height: 60vh;
  overflow-y: auto;
}

.modal-footer {
  padding: var(--spacing-4) var(--spacing-6);
  border-top: 1px solid var(--gray-200);
  background: var(--gray-50);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-3);
}

/* ============================================================================
   NOTIFICATIONS & ALERTS
   ============================================================================ */

.notification-container {
  position: fixed;
  top: var(--spacing-6);
  right: var(--spacing-6);
  z-index: var(--z-tooltip);
  max-width: 400px;
}

.notification {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  padding: var(--spacing-4);
  margin-bottom: var(--spacing-3);
  transform: translateX(100%);
  transition: var(--transition-base);
  position: relative;
}

.notification.show {
  transform: translateX(0);
}

.notification.success {
  border-left: 4px solid var(--success-color);
}

.notification.error {
  border-left: 4px solid var(--danger-color);
}

.notification.warning {
  border-left: 4px solid var(--warning-color);
}

.notification.info {
  border-left: 4px solid var(--info-color);
}

.notification-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-2);
}

.notification-title {
  font-weight: 600;
  color: var(--gray-900);
  margin: 0;
}

.notification-close {
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  padding: var(--spacing-1);
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
}

.notification-close:hover {
  color: var(--gray-600);
  background: var(--gray-100);
}

.notification-body {
  color: var(--gray-700);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

/* Progress Indicators */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--gray-200);
  border-radius: 4px;
  overflow: hidden;
  margin: var(--spacing-3) 0;
}

.progress-fill {
  height: 100%;
  background: var(--primary-gradient);
  border-radius: 4px;
  transition: width 0.3s ease;
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(
    -45deg,
    rgba(255, 255, 255, 0.2) 25%,
    transparent 25%,
    transparent 50%,
    rgba(255, 255, 255, 0.2) 50%,
    rgba(255, 255, 255, 0.2) 75%,
    transparent 75%,
    transparent
  );
  background-size: 20px 20px;
  animation: progress-stripes 1s linear infinite;
}

@keyframes progress-stripes {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 20px 0;
  }
}

/* ============================================================================
   MEDIA & CONTENT
   ============================================================================ */

/* Image Gallery */
.image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-4);
}

.image-item {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-all);
}

.image-item:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
}

.image-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.7));
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-4);
  opacity: 0;
  transition: var(--transition-base);
}

.image-item:hover .image-overlay {
  opacity: 1;
}

.image-title {
  color: white;
  font-weight: 500;
  margin: 0;
}

/* Video Player */
.video-container {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.video-container video,
.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* ============================================================================
   RESPONSIVE COMPONENTS
   ============================================================================ */

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .form-group-inline {
    flex-direction: column;
    align-items: stretch;
  }
  
  .form-group-inline .form-label {
    min-width: auto;
    margin-bottom: var(--spacing-2);
  }
  
  .data-table-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .data-table-search {
    max-width: none;
  }
  
  .data-table-filters {
    justify-content: stretch;
  }
  
  .filter-button {
    flex: 1;
    justify-content: center;
  }
  
  .nav-tabs-enhanced {
    flex-wrap: wrap;
  }
  
  .modal-dialog {
    margin: var(--spacing-4);
    width: calc(100% - var(--spacing-8));
  }
  
  .notification-container {
    left: var(--spacing-4);
    right: var(--spacing-4);
    max-width: none;
  }
  
  .image-gallery {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
}

@media (max-width: 480px) {
  .stat-card {
    padding: var(--spacing-4);
  }
  
  .chart-container,
  .form-section {
    padding: var(--spacing-4);
  }
  
  .data-table-header {
    padding: var(--spacing-4);
  }
  
  .modal-header,
  .modal-body {
    padding: var(--spacing-4);
  }
  
  .modal-footer {
    padding: var(--spacing-3) var(--spacing-4);
  }
  
  .image-gallery {
    grid-template-columns: 1fr 1fr;
  }
  
  .image-item img {
    height: 150px;
  }
}

/* ============================================================================
   DARK MODE SUPPORT
   ============================================================================ */

[data-theme="dark"] .stat-card,
[data-theme="dark"] .chart-container,
[data-theme="dark"] .data-table-container,
[data-theme="dark"] .form-section {
  background: var(--gray-800);
  border-color: var(--gray-700);
}

[data-theme="dark"] .data-table-header,
[data-theme="dark"] .chart-header,
[data-theme="dark"] .form-section-header {
  background: var(--gray-700);
  border-color: var(--gray-600);
}

[data-theme="dark"] .enhanced-table th {
  background: var(--gray-700);
  border-color: var(--gray-600);
}

[data-theme="dark"] .enhanced-table td {
  border-color: var(--gray-700);
}

[data-theme="dark"] .enhanced-table tbody tr:hover {
  background: var(--gray-700);
}

[data-theme="dark"] .modal-dialog {
  background: var(--gray-800);
}

[data-theme="dark"] .modal-header,
[data-theme="dark"] .modal-footer {
  border-color: var(--gray-700);
  background: var(--gray-700);
}

[data-theme="dark"] .notification {
  background: var(--gray-800);
  border-color: var(--gray-700);
}

[data-theme="dark"] .file-upload-area {
  background: var(--gray-700);
  border-color: var(--gray-600);
}

[data-theme="dark"] .breadcrumb-enhanced {
  background: var(--gray-800);
  border-color: var(--gray-700);
}