/**
 * Content Organization and Modern UI Patterns
 * Enhanced layout and spacing for better content hierarchy
 */

/* ================================================
   CONTENT SECTIONS AND LAYOUT
   ================================================ */

/* Page header improvements */
.page-header {
  margin-bottom: var(--bs-space-3xl);
  padding-bottom: var(--bs-space-lg);
  border-bottom: 1px solid var(--bs-gray-200);
}

.page-title {
  font-size: 2rem;
  font-weight: var(--bs-font-weight-semibold);
  color: var(--bs-gray-900);
  margin-bottom: var(--bs-space-sm);
  line-height: 1.2;
}

.page-subtitle {
  color: var(--bs-gray-500);
  font-size: 1rem;
  margin-bottom: 0;
}

.page-actions {
  display: flex;
  gap: var(--bs-space-md);
  align-items: center;
}

/* Modern breadcrumbs */
.breadcrumb-modern {
  background: none;
  padding: 0;
  margin-bottom: var(--bs-space-lg);
}

.breadcrumb-modern .breadcrumb-item {
  font-size: 0.875rem;
  color: var(--bs-gray-500);
}

.breadcrumb-modern .breadcrumb-item + .breadcrumb-item::before {
  content: '/';
  color: var(--bs-gray-300);
  margin: 0 var(--bs-space-sm);
}

.breadcrumb-modern .breadcrumb-item.active {
  color: var(--bs-gray-900);
  font-weight: var(--bs-font-weight-medium);
}

/* ================================================
   DASHBOARD SPECIFIC LAYOUTS
   ================================================ */

/* Dashboard grid improvements */
.dashboard-grid {
  display: grid;
  gap: var(--bs-space-lg);
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--bs-space-lg);
  margin-bottom: var(--bs-space-2xl);
}

.stat-card {
  background: white;
  border-radius: 0.75rem;
  padding: var(--bs-space-xl);
  box-shadow: var(--bs-shadow-sm);
  transition: all var(--bs-transition-base);
  border: 1px solid var(--bs-gray-100);
}

.stat-card:hover {
  box-shadow: var(--bs-shadow);
  transform: translateY(-2px);
}

.stat-number {
  font-size: 2rem;
  font-weight: var(--bs-font-weight-bold);
  color: var(--bs-gray-900);
  margin-bottom: var(--bs-space-xs);
  line-height: 1;
}

.stat-label {
  color: var(--bs-gray-500);
  font-size: 0.875rem;
  font-weight: var(--bs-font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-change {
  font-size: 0.75rem;
  font-weight: var(--bs-font-weight-medium);
  margin-top: var(--bs-space-xs);
}

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

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

/* ================================================
   CONTENT BLOCKS AND PANELS
   ================================================ */

/* Modern content blocks */
.content-block {
  background: white;
  border-radius: 0.75rem;
  box-shadow: var(--bs-shadow-sm);
  margin-bottom: var(--bs-space-xl);
  overflow: hidden;
  border: 1px solid var(--bs-gray-100);
}

.content-block-header {
  padding: var(--bs-space-lg) var(--bs-space-xl);
  background: var(--bs-gray-50);
  border-bottom: 1px solid var(--bs-gray-200);
}

.content-block-title {
  font-size: 1.125rem;
  font-weight: var(--bs-font-weight-semibold);
  color: var(--bs-gray-900);
  margin-bottom: 0;
}

.content-block-body {
  padding: var(--bs-space-xl);
}

/* Info panels */
.info-panel {
  background: var(--bs-primary-50);
  border: 1px solid var(--bs-primary-200);
  border-radius: 0.5rem;
  padding: var(--bs-space-lg);
  margin-bottom: var(--bs-space-lg);
}

.info-panel-icon {
  color: var(--bs-primary-600);
  font-size: 1.25rem;
  margin-right: var(--bs-space-md);
}

.warning-panel {
  background: var(--bs-warning-50, #fffbeb);
  border: 1px solid var(--bs-warning-200, #fcd34d);
  border-radius: 0.5rem;
  padding: var(--bs-space-lg);
  margin-bottom: var(--bs-space-lg);
}

.success-panel {
  background: var(--bs-success-50, #ecfdf5);
  border: 1px solid var(--bs-success-200, #bbf7d0);
  border-radius: 0.5rem;
  padding: var(--bs-space-lg);
  margin-bottom: var(--bs-space-lg);
}

/* ================================================
   FORM LAYOUTS AND GROUPING
   ================================================ */

/* Form sections */
.form-section {
  margin-bottom: var(--bs-space-3xl);
}

.form-section-header {
  margin-bottom: var(--bs-space-lg);
  padding-bottom: var(--bs-space-md);
  border-bottom: 1px solid var(--bs-gray-200);
}

.form-section-title {
  font-size: 1.25rem;
  font-weight: var(--bs-font-weight-semibold);
  color: var(--bs-gray-900);
  margin-bottom: var(--bs-space-xs);
}

.form-section-description {
  color: var(--bs-gray-500);
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* Form groups with better spacing */
.form-group-modern {
  margin-bottom: var(--bs-space-lg);
}

.form-group-modern:last-child {
  margin-bottom: 0;
}

.form-row-modern {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--bs-space-lg);
  margin-bottom: var(--bs-space-lg);
}

/* ================================================
   LIST AND TABLE IMPROVEMENTS
   ================================================ */

/* Modern lists */
.list-modern {
  list-style: none;
  padding: 0;
  margin: 0;
}

.list-modern-item {
  padding: var(--bs-space-lg);
  border-bottom: 1px solid var(--bs-gray-200);
  transition: background-color var(--bs-transition-base);
}

.list-modern-item:hover {
  background-color: var(--bs-gray-50);
}

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

.list-modern-item-title {
  font-weight: var(--bs-font-weight-medium);
  color: var(--bs-gray-900);
  margin-bottom: var(--bs-space-xs);
}

.list-modern-item-meta {
  color: var(--bs-gray-500);
  font-size: 0.875rem;
}

/* Action lists */
.action-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--bs-space-md);
  align-items: center;
}

.action-list-primary {
  margin-right: auto;
}

/* ================================================
   RESPONSIVE IMPROVEMENTS
   ================================================ */

/* Mobile-first responsive utilities */
@media (max-width: 768px) {
  .page-header {
    text-align: center;
  }

  .page-actions {
    flex-direction: column;
    width: 100%;
  }

  .dashboard-stats {
    grid-template-columns: 1fr;
  }

  .form-row-modern {
    grid-template-columns: 1fr;
  }

  .action-list {
    flex-direction: column;
    align-items: stretch;
  }

  .action-list-primary {
    margin-right: 0;
    margin-bottom: var(--bs-space-md);
  }
}

@media (max-width: 576px) {
  .content-block-header,
  .content-block-body {
    padding: var(--bs-space-lg);
  }

  .stat-card {
    padding: var(--bs-space-lg);
  }

  .page-title {
    font-size: 1.5rem;
  }
}

/* ================================================
   NAVIGATION IMPROVEMENTS
   ================================================ */

/* Enhanced sidebar navigation */
.nav-modern .nav-link {
  padding: var(--bs-space-md) var(--bs-space-lg);
  color: var(--bs-gray-600);
  font-weight: var(--bs-font-weight-medium);
  border-radius: 0.5rem;
  margin-bottom: var(--bs-space-xs);
  transition: all var(--bs-transition-base);
}

.nav-modern .nav-link:hover {
  background-color: var(--bs-gray-100);
  color: var(--bs-gray-900);
  transform: translateX(4px);
}

.nav-modern .nav-link.active {
  background-color: var(--bs-primary-100);
  color: var(--bs-primary-700);
  box-shadow: var(--bs-shadow-sm);
}

/* Tab navigation improvements */
.nav-tabs-modern {
  border-bottom: 2px solid var(--bs-gray-200);
  margin-bottom: var(--bs-space-xl);
}

.nav-tabs-modern .nav-link {
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--bs-gray-500);
  font-weight: var(--bs-font-weight-medium);
  padding: var(--bs-space-md) var(--bs-space-lg);
  margin-bottom: -2px;
  transition: all var(--bs-transition-base);
}

.nav-tabs-modern .nav-link:hover {
  border-bottom-color: var(--bs-gray-300);
  color: var(--bs-gray-700);
}

.nav-tabs-modern .nav-link.active {
  border-bottom-color: var(--bs-primary-600);
  color: var(--bs-primary-600);
}

/* ================================================
   UTILITY CLASSES FOR CONTENT ORGANIZATION
   ================================================ */

/* Spacing utilities */
.mb-section {
  margin-bottom: var(--bs-space-4xl);
}
.mb-block {
  margin-bottom: var(--bs-space-2xl);
}
.mb-group {
  margin-bottom: var(--bs-space-xl);
}
.mb-item {
  margin-bottom: var(--bs-space-lg);
}
.mb-element {
  margin-bottom: var(--bs-space-md);
}

.mt-section {
  margin-top: var(--bs-space-4xl);
}
.mt-block {
  margin-top: var(--bs-space-2xl);
}
.mt-group {
  margin-top: var(--bs-space-xl);
}
.mt-item {
  margin-top: var(--bs-space-lg);
}
.mt-element {
  margin-top: var(--bs-space-md);
}

/* Content width utilities */
.content-narrow {
  max-width: 640px;
  margin: 0 auto;
}
.content-medium {
  max-width: 768px;
  margin: 0 auto;
}
.content-wide {
  max-width: 1024px;
  margin: 0 auto;
}

/* Flex utilities for modern layouts */
.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.flex-start {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

.flex-end {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

/* Gap utilities */
.gap-xs {
  gap: var(--bs-space-xs);
}
.gap-sm {
  gap: var(--bs-space-sm);
}
.gap-md {
  gap: var(--bs-space-md);
}
.gap-lg {
  gap: var(--bs-space-lg);
}
.gap-xl {
  gap: var(--bs-space-xl);
}

/* ================================================
   ACCESSIBILITY ENHANCEMENTS
   ================================================ */

/* Focus improvements */
.focus-visible:focus {
  outline: 2px solid var(--bs-primary-600);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .content-block,
  .stat-card {
    border: 2px solid var(--bs-gray-300);
  }

  .info-panel,
  .warning-panel,
  .success-panel {
    border-width: 2px;
  }
}

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