/* ======================================================
   TREVOO ADMIN PANEL - PHASE 1 MODERN DESIGN SYSTEM
   ====================================================== */

:root {
  /* Modern Color Palette */
  --primary-color: #4f46e5;
  --primary-hover: #4338ca;
  --secondary-color: #6b7280;
  --success-color: #10b981;
  --success-hover: #059669;
  --danger-color: #ef4444;
  --danger-hover: #dc2626;
  --warning-color: #f59e0b;
  --warning-hover: #d97706;
  --info-color: #3b82f6;
  --info-hover: #2563eb;
  
  /* Neutral Colors */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Spacing & Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Transitions */
  --transition-fast: all 0.15s ease;
  --transition-normal: all 0.25s ease;
  --transition-slow: all 0.35s ease;
}

/* ======================================================
   MODERN CARD SYSTEM
   ====================================================== */

.content-card {
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  position: relative;
}

.content-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--gray-300);
}

.content-card-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--gray-100);
  background: var(--gray-50);
}

.content-card-body {
  padding: 1.5rem;
}

.content-card-footer {
  padding: 1rem 1.5rem;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ======================================================
   PROFESSIONAL ACTION BUTTONS
   ====================================================== */

.action-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  border: 1px solid var(--gray-200);
  background: #fff;
  cursor: pointer;
  position: relative;
  text-decoration: none;
}

.action-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.action-btn.action-view {
  background: #eff6ff;
  color: var(--info-color);
  border-color: #dbeafe;
}

.action-btn.action-view:hover {
  background: #dbeafe;
  color: var(--info-hover);
  border-color: var(--info-color);
}

.action-btn.action-delete {
  background: #fef2f2;
  color: var(--danger-color);
  border-color: #fecaca;
}

.action-btn.action-delete:hover {
  background: #fecaca;
  color: var(--danger-hover);
  border-color: var(--danger-color);
}

.action-btn.action-edit {
  background: #f0fdf4;
  color: var(--success-color);
  border-color: #bbf7d0;
}

.action-btn.action-edit:hover {
  background: #bbf7d0;
  color: var(--success-hover);
  border-color: var(--success-color);
}

.action-btn.action-moderate {
  background: #fef3c7;
  color: var(--warning-color);
  border-color: #fde68a;
}

.action-btn.action-moderate:hover {
  background: #fde68a;
  color: var(--warning-hover);
  border-color: var(--warning-color);
}

/* Action Button Groups */
.action-btn-group {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.action-btn-group .action-btn {
  width: 36px;
  height: 36px;
}

/* ======================================================
   ENHANCED MODALS
   ====================================================== */

.professional-modal {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: none;
  overflow: hidden;
}

.professional-modal .modal-header {
  background: linear-gradient(135deg, var(--gray-50) 0%, #fff 100%);
  border-bottom: 1px solid var(--gray-200);
  padding: 1.5rem;
}

.professional-modal .modal-body {
  padding: 1.5rem;
  background: #fff;
}

.professional-modal .modal-footer {
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  padding: 1rem 1.5rem;
}

/* Content Preview Area */
.content-preview-area {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 1rem;
  margin-bottom: 1rem;
  border: 1px solid var(--gray-200);
}

.content-preview-area img,
.content-preview-area video {
  border-radius: var(--radius-md);
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* ======================================================
   MODERN COMMENT SYSTEM
   ====================================================== */

.comment-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1rem;
  margin-bottom: 0.75rem;
  transition: var(--transition-fast);
  position: relative;
}

.comment-card:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-sm);
}

.comment-user-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gray-200);
  transition: var(--transition-fast);
}

.comment-user-avatar:hover {
  border-color: var(--primary-color);
}

.comment-user-name {
  font-weight: 600;
  color: var(--gray-900);
  text-decoration: none;
  font-size: 0.875rem;
}

.comment-user-name:hover {
  color: var(--primary-color);
}

.comment-content {
  color: var(--gray-700);
  line-height: 1.5;
  margin: 0.5rem 0;
  font-size: 0.875rem;
}

.comment-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--gray-500);
  font-size: 0.75rem;
  margin-top: 0.5rem;
}

.comment-engagement-item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
}

.comment-engagement-item i {
  font-size: 0.75rem;
}

/* Comment Actions Dropdown */
.comment-actions-dropdown {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
}

.comment-actions-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-200);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.comment-actions-btn:hover {
  background: var(--gray-50);
  border-color: var(--gray-300);
}

/* ======================================================
   ENGAGEMENT STATISTICS
   ====================================================== */

.engagement-stats {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 1rem;
  margin: 1rem 0;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  transition: var(--transition-fast);
}

.stat-item:hover {
  border-color: var(--gray-300);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.stat-item i {
  font-size: 1.25rem;
}

.stat-item .stat-number {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--gray-900);
}

.stat-item .stat-label {
  font-size: 0.75rem;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

/* ======================================================
   ENHANCED DATATABLES STYLING
   ====================================================== */

.modern-datatable {
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  overflow: hidden;
}

.modern-datatable .dataTables_wrapper {
  padding: 1.5rem;
}

.modern-datatable .dataTables_wrapper .dataTables_length,
.modern-datatable .dataTables_wrapper .dataTables_filter {
  margin-bottom: 1rem;
}

.modern-datatable .dataTables_wrapper .dataTables_length label,
.modern-datatable .dataTables_wrapper .dataTables_filter label {
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 0.25rem;
  display: block;
}

.modern-datatable table {
  border-collapse: separate;
  border-spacing: 0;
}

.modern-datatable table thead th {
  background: var(--gray-50);
  color: var(--gray-700);
  font-weight: 600;
  padding: 1rem 0.75rem;
  border-bottom: 2px solid var(--gray-200);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.modern-datatable table tbody td {
  padding: 1rem 0.75rem;
  border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
}

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

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

/* ======================================================
   USER BADGE SYSTEM
   ====================================================== */

.user-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.user-badge.badge-admin {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.user-badge.badge-moderator {
  background: #dbeafe;
  color: #1e40af;
  border: 1px solid #93c5fd;
}

.user-badge.badge-verified {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.user-badge.badge-premium {
  background: #fae8ff;
  color: #86198f;
  border: 1px solid #f3e8ff;
}

.user-badge.badge-user {
  background: var(--gray-100);
  color: var(--gray-600);
  border: 1px solid var(--gray-200);
}

/* ======================================================
   STATUS INDICATORS
   ====================================================== */

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
}

.status-indicator.status-active {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.status-indicator.status-restricted {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.status-indicator.status-reported {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.status-indicator.status-pending {
  background: #e0e7ff;
  color: #3730a3;
  border: 1px solid #c7d2fe;
}

.status-indicator::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

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

.skeleton-loader {
  background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--gray-200);
  border-radius: 50%;
  border-top: 3px solid var(--primary-color);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ======================================================
   SEARCH AND FILTER ENHANCEMENTS
   ====================================================== */

.search-filter-panel {
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  margin-bottom: 1.5rem;
}

.search-filter-panel .panel-header {
  padding: 1rem 1.5rem;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.search-filter-panel .panel-body {
  padding: 1.5rem;
}

.search-input {
  position: relative;
}

.search-input input {
  padding-left: 2.5rem;
  border-radius: var(--radius-lg);
  border: 2px solid var(--gray-200);
  transition: var(--transition-fast);
}

.search-input input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
  outline: none;
}

.search-input .search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
}

/* ======================================================
   RESPONSIVE DESIGN
   ====================================================== */

@media (max-width: 768px) {
  .content-card {
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
  }
  
  .content-card-header,
  .content-card-body,
  .content-card-footer {
    padding: 1rem;
  }
  
  .action-btn-group {
    flex-wrap: wrap;
    gap: 0.375rem;
  }
  
  .action-btn {
    width: 36px;
    height: 36px;
  }
  
  .professional-modal .modal-header,
  .professional-modal .modal-body {
    padding: 1rem;
  }
  
  .modern-datatable .dataTables_wrapper {
    padding: 1rem;
  }
  
  .modern-datatable table thead th,
  .modern-datatable table tbody td {
    padding: 0.75rem 0.5rem;
  }
  
  .comment-card {
    padding: 0.75rem;
  }
  
  .engagement-stats {
    padding: 0.75rem;
  }
  
  .stat-item {
    padding: 0.5rem;
  }
}

/* ======================================================
   ACCESSIBILITY IMPROVEMENTS
   ====================================================== */

.action-btn:focus,
.comment-actions-btn:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .content-card {
    border: 2px solid var(--gray-400);
  }
  
  .action-btn {
    border: 2px solid currentColor;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ======================================================
   DARK MODE SUPPORT (Future Enhancement)
   ====================================================== */

@media (prefers-color-scheme: dark) {
  :root {
    --gray-50: #18181b;
    --gray-100: #27272a;
    --gray-200: #3f3f46;
    --gray-300: #52525b;
    --gray-400: #71717a;
    --gray-500: #a1a1aa;
    --gray-600: #d4d4d8;
    --gray-700: #e4e4e7;
    --gray-800: #f4f4f5;
    --gray-900: #fafafa;
  }
}

/* ======================================================
   UTILITY CLASSES
   ====================================================== */

.text-gradient {
  background: linear-gradient(135deg, var(--primary-color), var(--info-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass-effect {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.elevation-1 { box-shadow: var(--shadow-sm); }
.elevation-2 { box-shadow: var(--shadow-md); }
.elevation-3 { box-shadow: var(--shadow-lg); }
.elevation-4 { box-shadow: var(--shadow-xl); }

.border-gradient {
  background: linear-gradient(white, white) padding-box,
              linear-gradient(135deg, var(--primary-color), var(--info-color)) border-box;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
}