/**
 * Customer Profile Modal Styles
 * Enhanced UI components for customer detail views
 */

/* Prevent body scroll when modal is open */
body.modal-open {
  overflow: hidden !important;
  height: 100vh;
}

/* Modal overlay improvements */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from { 
    opacity: 0;
    backdrop-filter: blur(0px);
  }
  to { 
    opacity: 1;
    backdrop-filter: blur(4px);
  }
}

/* Extra large modal for customer profiles - takes up most of the screen */
.modal-dialog.modal-xl {
  max-width: 1400px;
  width: 95vw;
  max-height: 90vh;
  height: 85vh;
  margin: 2.5vh auto;
}

.modal-dialog.modal-xl .modal-content {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.modal-dialog.modal-xl .modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 0;
}

.modal-dialog.modal-xl .customer-tab-content {
  height: 100%;
  padding: 0;
}

.modal-dialog.modal-xl {
  animation: slideInModal 0.4s ease-out;
}

@keyframes slideInModal {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Customer Tabs */
.customer-tabs {
  display: flex;
  border-bottom: 2px solid var(--color-border, #e5e7eb);
  margin-bottom: 24px;
  background: var(--color-surface, #f9fafb);
  border-radius: 8px 8px 0 0;
  overflow: hidden;
}

.customer-tab {
  background: none;
  border: none;
  padding: 16px 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  color: var(--color-text-secondary, #6b7280);
  transition: all 0.2s ease;
  border-bottom: 3px solid transparent;
  flex: 1;
  justify-content: center;
}

.customer-tab:hover {
  background: var(--color-surface-hover, #f3f4f6);
  color: var(--color-text-primary, #111827);
}

.customer-tab.active {
  background: var(--color-background, #ffffff);
  color: var(--color-primary, #0891b2);
  border-bottom-color: var(--color-primary, #0891b2);
  font-weight: 600;
}

.customer-tab i {
  font-size: 16px;
}

/* Tab Content */
.customer-tab-content {
  min-height: 400px;
  flex: 1;
  position: relative;
  overflow: hidden;
}

.tab-pane {
  display: none;
  padding: 24px;
}

.tab-pane.active {
  display: block;
  animation: fadeInTab 0.3s ease;
}

@keyframes fadeInTab {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Ensure tab content doesn't cause modal overflow */
.modal-dialog.modal-xl .tab-pane {
  max-height: calc(85vh - 200px);
  overflow-y: auto;
}

/* Overview Tab Styles */
.overview-content {
  padding: 0;
}

.profile-section {
  background: var(--color-background, #ffffff);
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.profile-section h5 {
  margin: 0 0 20px 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-primary, #111827);
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--color-border, #e5e7eb);
  padding-bottom: 12px;
}

.profile-section h5 i {
  color: var(--color-primary, #0891b2);
}

.profile-field {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border-light, #f3f4f6);
}

.profile-field:last-child {
  border-bottom: none;
}

.profile-field label {
  font-weight: 500;
  color: var(--color-text-secondary, #6b7280);
  margin: 0;
  flex: 0 0 40%;
}

.profile-field span {
  color: var(--color-text-primary, #111827);
  font-weight: 500;
  text-align: right;
}

.vehicles-list {
  margin-top: 16px;
}

.vehicle-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  background: var(--color-surface, #f9fafb);
  border-radius: 8px;
  margin-bottom: 8px;
}

.vehicle-item i {
  color: var(--color-primary, #0891b2);
  font-size: 16px;
}

/* Metric Cards */
.summary-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.metric-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--color-background, #ffffff);
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: all 0.2s ease;
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.metric-icon {
  flex: 0 0 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--color-surface, #f9fafb);
}

.metric-icon i {
  font-size: 20px;
}

.metric-info {
  flex: 1;
}

.metric-value {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text-primary, #111827);
  line-height: 1.2;
}

.metric-label {
  display: block;
  font-size: 14px;
  color: var(--color-text-secondary, #6b7280);
  margin-top: 4px;
}

/* Vehicles Tab Styles */
.vehicles-content {
  padding: 0;
}

.vehicles-summary {
  margin-bottom: 32px;
}

.vehicles-summary h4 {
  margin: 0 0 20px 0;
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-primary, #111827);
  display: flex;
  align-items: center;
  gap: 8px;
}

.vehicles-list h4 {
  margin: 0 0 20px 0;
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-primary, #111827);
  display: flex;
  align-items: center;
  gap: 8px;
}

.vehicle-card {
  background: var(--color-background, #ffffff);
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: all 0.2s ease;
}

.vehicle-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.vehicle-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border, #e5e7eb);
}

.vehicle-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.vehicle-info h5 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-primary, #111827);
}

.vehicle-info i {
  color: var(--color-primary, #0891b2);
  font-size: 20px;
}

.vehicle-stats {
  display: flex;
  gap: 8px;
}

.vehicle-details {
  margin-bottom: 20px;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
}

.detail-label {
  font-weight: 500;
  color: var(--color-text-secondary, #6b7280);
}

.detail-value {
  font-weight: 600;
  color: var(--color-text-primary, #111827);
}

.vehicle-recent-services {
  background: var(--color-surface, #f9fafb);
  border-radius: 8px;
  padding: 16px;
}

.vehicle-recent-services h6 {
  margin: 0 0 12px 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary, #111827);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.recent-services-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--color-background, #ffffff);
  border-radius: 6px;
  border: 1px solid var(--color-border-light, #f3f4f6);
}

.service-item.more-services {
  justify-content: center;
  font-style: italic;
}

.service-date {
  font-size: 12px;
  color: var(--color-text-secondary, #6b7280);
  font-weight: 500;
}

.service-details {
  display: flex;
  align-items: center;
  gap: 12px;
}

.service-name {
  font-weight: 500;
  color: var(--color-text-primary, #111827);
}

.service-cost {
  font-weight: 600;
  color: var(--color-success, #059669);
}

/* Communication Tab Styles */
.communication-content {
  padding: 0;
}

.communication-summary {
  margin-bottom: 32px;
}

.communication-summary h4 {
  margin: 0 0 20px 0;
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-primary, #111827);
  display: flex;
  align-items: center;
  gap: 8px;
}

.communication-actions {
  margin-bottom: 32px;
  padding: 24px;
  background: var(--color-surface, #f9fafb);
  border-radius: 12px;
  border: 1px solid var(--color-border, #e5e7eb);
}

.communication-actions h4 {
  margin: 0 0 16px 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-primary, #111827);
  display: flex;
  align-items: center;
  gap: 8px;
}

.action-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.communication-history h4 {
  margin: 0 0 20px 0;
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-primary, #111827);
  display: flex;
  align-items: center;
  gap: 8px;
}

.communication-timeline {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.communication-item {
  background: var(--color-background, #ffffff);
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.communication-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.communication-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.conversation-title {
  font-weight: 600;
  color: var(--color-text-primary, #111827);
}

.conversation-date {
  font-size: 14px;
  color: var(--color-text-secondary, #6b7280);
}

.communication-stats {
  display: flex;
  gap: 8px;
}

.last-message {
  background: var(--color-surface, #f9fafb);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 12px;
}

.message-preview {
  margin-bottom: 8px;
  color: var(--color-text-primary, #111827);
}

.message-time {
  font-size: 12px;
  color: var(--color-text-secondary, #6b7280);
}

.communication-actions {
  display: flex;
  justify-content: flex-end;
}

/* Service History Tab Styles */
.service-history-content {
  padding: 0;
}

.service-summary {
  margin-bottom: 32px;
}

.service-summary h4 {
  margin: 0 0 20px 0;
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-primary, #111827);
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-timeline {
  margin-bottom: 32px;
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.timeline-header h4 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-primary, #111827);
  display: flex;
  align-items: center;
  gap: 8px;
}

.timeline-filters {
  display: flex;
  gap: 12px;
}

.timeline-container {
  min-height: 200px;
}

.timeline-loading,
.timeline-empty,
.timeline-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  text-align: center;
  color: var(--color-text-secondary, #6b7280);
}

.timeline-loading i,
.timeline-empty i,
.timeline-error i {
  font-size: 32px;
  margin-bottom: 12px;
}

.timeline-item {
  background: var(--color-background, #ffffff);
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: all 0.2s ease;
}

.timeline-item:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.timeline-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.timeline-date {
  font-size: 14px;
  color: var(--color-text-secondary, #6b7280);
  font-weight: 500;
}

.timeline-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-primary, #111827);
  display: flex;
  align-items: center;
  gap: 8px;
}

.timeline-details {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.timeline-detail {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
}

.timeline-detail i {
  color: var(--color-text-secondary, #6b7280);
}

.timeline-notes {
  background: var(--color-surface, #f9fafb);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-primary, #111827);
}

.timeline-notes i {
  color: var(--color-text-secondary, #6b7280);
  margin-top: 2px;
}

/* Upcoming Maintenance */
.upcoming-maintenance h4 {
  margin: 0 0 20px 0;
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-primary, #111827);
  display: flex;
  align-items: center;
  gap: 8px;
}

.maintenance-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.maintenance-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  background: var(--color-background, #ffffff);
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.maintenance-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.maintenance-priority {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  align-self: flex-start;
}

.maintenance-priority.high {
  background: #fef2f2;
  color: #dc2626;
}

.maintenance-priority.medium {
  background: #fffbeb;
  color: #d97706;
}

.maintenance-priority.low {
  background: #f0f9ff;
  color: #0284c7;
}

/* Empty States */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
  color: var(--color-text-secondary, #6b7280);
}

.empty-state i {
  font-size: 48px;
  margin-bottom: 16px;
  color: var(--color-text-light, #d1d5db);
}

.empty-state h4 {
  margin: 0 0 8px 0;
  font-size: 18px;
  color: var(--color-text-secondary, #6b7280);
}

.empty-state p {
  margin: 0;
  font-size: 14px;
}

/* Badge Styles */
.badge {
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-primary { background: #dbeafe; color: #1d4ed8; }
.badge-success { background: #d1fae5; color: #059669; }
.badge-warning { background: #fef3c7; color: #d97706; }
.badge-danger { background: #fecaca; color: #dc2626; }
.badge-info { background: #e0f2fe; color: #0891b2; }
.badge-secondary { background: #f3f4f6; color: #6b7280; }

/* Basic Bootstrap-like Grid System */
.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -15px;
  margin-left: -15px;
}

.col-md-6 {
  position: relative;
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
  flex: 0 0 50%;
  max-width: 50%;
}

.col-12 {
  position: relative;
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
  flex: 0 0 100%;
  max-width: 100%;
}

@media (max-width: 768px) {
  .col-md-6 {
    flex: 0 0 100%;
    max-width: 100%;
  }
}

/* Button Enhancements */
.btn {
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 14px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-primary {
  background: var(--color-primary, #0891b2);
  color: white;
}

.btn-primary:hover {
  background: #0e7490;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--color-surface, #f9fafb);
  color: var(--color-text-primary, #111827);
  border: 1px solid var(--color-border, #e5e7eb);
}

.btn-secondary:hover {
  background: #f3f4f6;
  transform: translateY(-1px);
}

/* Responsive Design */
@media (max-width: 1200px) {
  .modal-dialog.modal-xl {
    width: 98vw;
    height: 90vh;
    margin: 1vh auto;
  }
  
  .summary-metrics {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

@media (max-width: 768px) {
  .modal-dialog.modal-xl {
    width: 100vw;
    height: 100vh;
    margin: 0;
    border-radius: 0;
  }
  
  .modal-dialog.modal-xl .modal-content {
    border-radius: 0;
  }
  
  .customer-tabs {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .customer-tab {
    flex: 1;
    min-width: 120px;
    font-size: 12px;
    padding: 12px 8px;
  }
  
  .customer-tab i {
    font-size: 14px;
  }
  
  .summary-metrics {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .metric-card {
    padding: 16px;
  }
  
  .metric-value {
    font-size: 20px;
  }
  
  .timeline-header {
    flex-direction: column;
    align-items: stretch;
  }
  
  .timeline-filters {
    flex-direction: column;
  }
  
  .vehicle-header,
  .communication-header {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  
  .action-buttons {
    justify-content: stretch;
  }
  
  .action-buttons .btn {
    flex: 1;
    justify-content: center;
  }
  
  .profile-field {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  
  .profile-field span {
    text-align: left;
  }
}

@media (max-width: 480px) {
  .customer-tabs {
    flex-direction: column;
  }
  
  .customer-tab {
    justify-content: flex-start;
    border-bottom: none;
    border-left: 3px solid transparent;
    min-width: auto;
  }
  
  .customer-tab.active {
    border-left-color: var(--color-primary, #0891b2);
    border-bottom: none;
  }
  
  .modal-dialog.modal-xl .customer-tab-content {
    padding: 16px;
  }
}

/* =============================================================================
   DOCUMENTS TAB STYLES
   ============================================================================= */

.documents-content {
  padding: 24px;
}

.documents-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.documents-header h4 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-primary, #111827);
  display: flex;
  align-items: center;
  gap: 10px;
}

.documents-summary {
  margin-bottom: 32px;
}

.documents-list-section {
  background: var(--color-surface, #ffffff);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.1));
}

.documents-list-section h4 {
  margin: 0 0 20px 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-primary, #111827);
  display: flex;
  align-items: center;
  gap: 8px;
}

.documents-filters {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.documents-filters .form-control {
  flex: 1;
  min-width: 200px;
}

.documents-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.documents-loading,
.documents-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-secondary, #6b7280);
}

.documents-loading i {
  font-size: 32px;
  margin-bottom: 12px;
  color: var(--color-primary, #0891b2);
}

.document-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--color-surface-hover, #f9fafb);
  border-radius: 8px;
  border: 1px solid var(--color-border, #e5e7eb);
  transition: all 0.2s ease;
}

.document-item:hover {
  background: var(--color-surface, #ffffff);
  box-shadow: var(--shadow-sm, 0 2px 4px rgba(0, 0, 0, 0.1));
  border-color: var(--color-primary, #0891b2);
}

.document-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface, #ffffff);
  border-radius: 8px;
  flex-shrink: 0;
}

.document-icon i {
  font-size: 24px;
}

.document-info {
  flex: 1;
  min-width: 0;
}

.document-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-primary, #111827);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.document-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-secondary, #6b7280);
  flex-wrap: wrap;
}

.document-separator {
  color: var(--color-text-disabled, #9ca3af);
}

.document-type {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 11px;
}

.document-amount {
  font-weight: 600;
  color: var(--success, #10b981);
}

.document-vehicle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-text-tertiary, #9ca3af);
  margin-top: 4px;
}

.document-vehicle i {
  font-size: 12px;
}

.document-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.documents-info {
  margin-top: 24px;
}

.documents-info .alert {
  margin: 0;
}

/* Upload Document Modal */
#upload-document-modal .form-group {
  margin-bottom: 20px;
}

#upload-document-modal .required {
  color: var(--danger, #ef4444);
  margin-left: 4px;
}

#upload-document-modal .input-group-text {
  background: var(--color-surface, #f9fafb);
  border: 1px solid var(--color-border, #e5e7eb);
  color: var(--color-text-secondary, #6b7280);
  font-weight: 600;
}

/* Empty and Error States */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}

.empty-state i {
  font-size: 48px;
  color: var(--color-text-disabled, #d1d5db);
  margin-bottom: 16px;
  display: block;
}

.empty-state h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-primary, #111827);
  margin: 0 0 8px 0;
}

.empty-state p {
  color: var(--color-text-secondary, #6b7280);
  margin: 0 0 8px 0;
  font-size: 14px;
}

.empty-state .text-muted {
  color: var(--color-text-tertiary, #9ca3af);
  font-size: 13px;
}

.error-state {
  text-align: center;
  padding: 40px 20px;
}

.error-state i {
  font-size: 40px;
  margin-bottom: 12px;
  display: block;
}

.error-state p {
  color: var(--color-text-secondary, #6b7280);
  margin: 0 0 16px 0;
}

/* Responsive */
@media (max-width: 768px) {
  .documents-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .documents-header .btn {
    width: 100%;
  }

  .documents-filters {
    flex-direction: column;
  }

  .documents-filters .form-control {
    width: 100%;
    min-width: 100%;
  }

  .document-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .document-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .summary-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}